MW-2000888-01
en
Installation and Service Manual
Floor-standing condensing gas boiler
Gas 120 ACEGas 120 ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
Dear CustomerThank you very much for buying this appliancePlease read through the manual carefully before using the product and keep it in a safe place for later reference In order to ensure continued safe and efficient operation we recommend that the product is serviced regularly Our service and customer service organisation can assist with thisWe hope you enjoy years of problem-free operation with the product
Contents1 Safety 5
11 General safety instructions 512 Recommendations 713 Liabilities 8
131 Manufacturers liability 8132 Installers liability 9133 Users liability 9
2 Symbols used 1021 Symbols used in the manual 1022 Symbols used on the appliance 10
3 Technical specifications 1131 Homologations 11
311 Directives 11312 EC Declaration of Conformity 11313 Gas categories 11314 Certifications 11315 Factory test 12
32 Technical data 12321 ErP technical parameters 14322 Circulating pump (not provided) 14323 Sensor specifications 15
33 Dimensions and connections 1634 Electrical diagram 17
341 Electrical diagram of boiler 17
4 Description of the product 1941 General description 1942 Operating principle 19
421 Gasair setting 19422 Settings and safety devices 19
43 Main boiler components 2044 PCBs 20
441 Description of the CU-GH-08 PCB 2045 Standard delivery 2046 Accessories amp options 20
5 Installation 2151 Installation regulations 2152 Choice of the location 21
521 Data plate 21522 Space required - Boiler ventilation 21523 Ventilation 22524 Fitting the outdoor sensor 23
53 Transport 2454 Unpacking and preparing the boiler 2455 Hydraulic connections 27
551 Water treatment 27552 Flushing new installations and installations less than 6 months old 28553 Flushing an existing installation 28554 Connecting the heating circuit 28555 Connecting the condensate discharge pipe 28556 Filling the siphon 29
56 Gas connection 29561 Gas supply 30
57 Air supplyflue gas outlet connections 30571 Classification 30572 Lengths of the airflue gas pipes 33573 Dimensions of flue gas outlet pipe 34574 Connection to the flue gas pipe 35
6 Operation 3761 Settings 37
Contents
7717202 - v03 - 24062019 Gas 120 ACE 3
7 Maintenance 3871 General 3872 Specific maintenance operations 38
721 Cleaning the siphon 38722 Checking the ionisation current 39723 Replace the ionizationignition electrode 40724 Servicing the forced flue connection pipes 40725 Checking the burner and cleaning the heat exchanger 40726 Checking the non-return valve 42
8 Decommissioning 4381 Decommissioning procedure 4382 Recommissioning procedure 43
9 Disposal and recycling 44
10 Environmental 45101 Energy savings 45102 Room thermostat and settings 45
11 Warranty 46111 General 46112 Terms of warranty 46
12 Spare parts 47121 General 47122 Spare parts lists 47
1221 Exchanger 471222 Gas circuit 481223 Hydraulic circuit 501224 Boiler body 511225 Casing 521226 Boiler PCB housing 53
13 Appendix 54131 Package fiche - Boilers 54132 Product fiche - Temperature Controls 55133 Product fiche 55
Contents
4 Gas 120 ACE 7717202 - v03 - 24062019
1 Safety
11 General safety instructions
For the installer and end user
DangerThis appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Children shall not play with the appliance Cleaning and user maintenance shall not be made by children without supervision
CautionDo not touch the flue gas pipes Depending on the boiler settings the temperature of the flue gas pipes can rise to over 60degC
CautionDo not touch radiators for long periods Depending on the boiler settings the temperature of the radiators may exceed 60degC
CautionTake precautions with the domestic hot water Depending on the boiler settings the domestic hot water temperature may exceed 65degC
Danger of electric shockBefore any work switch off the mains supply to the boiler
For the installer
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 5
DangerIf you smell gas1 Do not use a naked flame do not smoke do
not operate electrical contacts or switches (doorbell light motor lift etc)
2 Shut off the gas supply3 Open the windows4 Locate the probable leak and seal it
immediately5 If the leak is before the gas meter contact the
gas supplier
DangerIf you smell flue gases1 Switch off the appliance2 Open the windows3 Locate the probable source of the flue gas
leak and fix it immediately
WarningThe condensation drain must not be changed or sealed If a condensate neutralisation system is used the system must be cleaned regularly in accordance with the instructions provided by the manufacturer
For the end user
DangerIf you smell gas1 Do not use a naked flame do not smoke do
not operate electrical contacts or switches (doorbell light motor lift etc)
2 Shut off the gas supply3 Open the windows4 Evacuate the property5 Contact a qualified professional
DangerIf you smell flue gases1 Switch off the appliance2 Open the windows3 Evacuate the property4 Contact a qualified professional
1 Safety
6 Gas 120 ACE 7717202 - v03 - 24062019
12 Recommendations
DangerFor safety reasons we recommend fitting smoke and CO2 detectors and alarms at suitable places in your home
CautionThe boiler must always be connected to the protective earthingEarthing must comply with the prevailing installation standardsEarth the appliance before making any electrical connections
For the type and calibre of the protective equipment refer to the chapter Electrical Connections in the Installation and Service Manual
CautionIf a power cord comes with the appliance and it turns out to be damaged it must be replaced by the manufacturer its after sales service or persons with similar qualifications in order to obviate any danger
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionPower the appliance via a circuit that includes an omni-polar switch with contact opening distance of 3 mm or more
CautionDrain the boiler and heating system if the home is left empty for a long period of time and there is a chance of frost
CautionRemove the boiler casing only to perform maintenance and repair work Always put the casing back in place after such work
CautionTo enjoy warranty cover no modifications must be made to the boiler
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 7
CautionThe frost protection function only protects the boiler not the heating system
CautionThe frost protection function does not work if the boiler is powered off
CautionThe appliance should be switched to Summer or Frost Protection mode rather than be switched off in order to guarantee the following functions
Avoidance of pumps blockingFrost Protection
ImportantRespect the minimum and maximum water inlet pressure to ensure correct operation of the boiler refer to the chapter Technical Specifications
ImportantOnly qualified professionals are permitted to install the boiler in accordance with prevailing local and national regulations
ImportantNever remove or cover labels and data plates affixed to the boilerLabels and data plates must be legible throughout the entire lifetime of the boiler Immediately replace damaged or illegible instructions and warning labels
ImportantKeep this document close to the place where the appliance is installed
13 Liabilities
131 Manufacturers liability
Our products are manufactured in compliance with the requirements of the various Directives applicable They are therefore delivered with the marking and any documents necessary In the interests of the quality of our products we strive constantly to improve them We therefore reserve the right to modify the specifications given in this documentOur liability as manufacturer may not be invoked in the following cases
1 Safety
8 Gas 120 ACE 7717202 - v03 - 24062019
Failure to abide by the instructions on installing and maintaining the applianceFailure to abide by the instructions on using the applianceFaulty or insufficient maintenance of the appliance
132 Installers liability
The installer is responsible for the installation and initial commissioning of the appliance The installer must observe the following instructions
Read and follow the instructions given in the manuals provided with the applianceInstall the appliance in compliance with prevailing legislation and standardsCarry out initial commissioning and any checks necessaryExplain the installation to the userIf maintenance is necessary warn the user of the obligation to check the appliance and keep it in good working orderGive all the instruction manuals to the user
133 Users liability
To guarantee optimum operation of the system you must abide by the following instructions
Read and follow the instructions given in the manuals provided with the applianceCall on a qualified professional to carry out installation and initial commissioningGet your installer to explain your installation to youHave the required inspections and maintenance carried out by a qualified installerKeep the instruction manuals in good condition close to the appliance
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 9
2 Symbols used
21 Symbols used in the manual
This manual uses various danger levels to draw attention to special instructions We do this to improve user safety to prevent problems and to guarantee correct operation of the appliance
DangerRisk of dangerous situations that may result in serious personal injury
Danger of electric shockRisk of electric shock
WarningRisk of dangerous situations that may result in minor personal injury
CautionRisk of material damage
ImportantPlease note important information
SeeReference to other manuals or pages in this manual
22 Symbols used on the appliance
1 Alternating current2 Protective earthing3 Before installing and commissioning the appliance carefully read
the instruction manuals provided4 Dispose of used products through an appropriate recovery and
recycling structure5 Caution danger of electric shock live parts Disconnect the mains
power prior to carrying out any work
Fig1
1 2
MW-2000068-1
1
2
3
4
5
2 Symbols used
10 Gas 120 ACE 7717202 - v03 - 24062019
3 Technical specifications
31 Homologations
311 Directives
This product has been manufactured and put into circulation in accordance with the requirements and standards of the following European Directives
Gas Appliances Regulation (EU) (2016426)
Pressure Equipment Directive 201468EU
Electromagnetic Compatibility Directive (201430EU)
Low Voltage Directive (201435EU)
Efficiency Directive (9242EEC)
European Ecodesign Directive (2009125EC)EU Regulation (8132013)
Energy Labelling Framework Regulation (EU) (20171369)EU Regulation (8112013)
BS 7074 Part 1 Application selection and installation of expansion vessels and ancillary equipment for sealed water systemsBS 6644 Specification for the installation of gas-fired condensing boilers with a nominal output exceeding 70 kWBS EN 12828 Design for water-based heating systemsBS EN 13831 Closed expansion vessels
Apart from the legal provisions and Directives the additional Directives described in these instructions must also be observedFor all provisions and Directives referred to in these instructions it is agreed that all addenda or subsequent provisions will apply at the time of installation
312 EC Declaration of Conformity
The unit complies with the standard type described in the EC declaration of conformity It has been manufactured and commissioned in accordance with European directivesThe original declaration of conformity is available from the manufacturer
313 Gas categories
Tab1 Czech Republic Spain Greece Portugal Switzerland UK
Category Gas type Connection pressure (mbar) Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
II2H3BP G20 (H gas) 20 X X X G30G31 (butanepropane) 303750 X X X
314 Certifications
Tab2 CertificationsCE number 0085CT0009NOx class 6 (EN 15502-1)
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 11
Type of flue gas connection Chimney
B23B23PB33
Forced flue
C13C13XC33C33XC43C43XC53C63C63XC83C83XC93C93X
315 Factory test
Before leaving the factory each boiler is optimally set and tested for
Electrical safetySettings (CO2)Water tightnessGas tightnessParameter setting
32 Technical data
Tab3 GeneralGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Nominal heat output (Pn)Central heating operation (80 degC60 degC)
minndashmax kW 120 - 615 141 - 842 189 - 1039
Nominal heat output (Pn)Central heating operation (50 degC30 degC)
minndashmax kW 135 - 650 158 - 895 212 - 1097
Nominal input power (Qn)Heating mode (Hi)
minndashmax kW 122 - 620 146 - 860 196 - 1070
Nominal input power (Qn)Heating operation (Hi) G31 (propane)
minndashmax kW 122 - 620 221 - 860 212 - 1070
Nominal input power (Qn)Central heating operation (Hs)
minndashmax kW 137 - 689 162 - 955 217 - 1189
Full load heating mode efficiency (Hi) (8060 degC) (9242EEC)
992 979 971
Full load heating mode efficiency (Hi) (50 degC30 degC)
1046 1041 1025
Part load heating mode efficiency (9242EEC) (return temperature 30 degC)
1104 1081 108
Tab4 Gas and flue gas valuesGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115G20 gas consumption (H gas)(1) minndashmax m3h 13 - 66 15 - 91 20 - 117Gas consumption G31 (propane)(1)
minndashmax m3h 05 - 25 09 - 35 09 - 45
3 Technical specifications
12 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
Gas resistance G20 (H gas)(2) max mbar 20 25 30BREAM NOx mgkWh 32 29 35Flue gas quantity minndashmax m3h 18 - 90 22 - 125 30 - 160Flue gas temperature minndashmax degC 30 - 120 30 - 120 30 - 120Maximum counter pressure (Pn) Pa 100 160 220
(1) Gas consumption based on lower heating value in standardised conditions T=28815 K p=101325 mbar Gag 3033 G25 2925 G31 8800 MJm3
(2) Gas resistance between boiler connection and measurement point on the gas valve unit
Tab5Gas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Gas inlet pressure G20 (H gas) minndashmax mbar 17 - 25 17 - 25 17 - 25G30G31 gas inlet pressure (ButanePropane) minndashmax mbar 37 - 50 37 - 50 37 - 50G31 gas inlet pressure (Propane) minndashmax mbar 37 - 50 37 - 50 37 - 50
Tab6 Central heating circuit dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Water content l 71 101 101Water operating pressure min bar 08 08 08Water operating pressure (MOP) max bar 40 40 40Water temperature max degC 110 110 110Operating temperature max degC 90 90 90Pressure drop secondary circuit (ΔT = 20 K) mWC 17 16 26Maximum permitted temperature difference(1) max degC 40(1) 40(1) 35(1)
(1) with a maximum flow temperature of 80 degC
Tab7 Electrical dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Supply voltage (AC) V 230 230 230Power consumption ndash full load max W 92 124 180Power consumption - low load max W 25 24 344Power consumption ndash standby max W 6 5 9Electrical protection rating IP X1B X1B X1BFuses Main A 10 10 10
Tab8 Other dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Total weight (empty) kg 98 109 109Average acoustic level at a distance of one meshytre from the boiler
dB(A) 40 45 45
SeeThe back cover for contact details
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 13
321 ErP technical parameters
Tab9 Technical parameters for boiler space heatersProduct name Gas 120 ACE
- 65Gas 120 ACE - 90
Gas 120 ACE - 115
Condensing boiler Yes Yes YesLow-temperature boiler(1) No No NoB1 boiler No No NoCogeneration space heater No No NoCombination heater No No NoRated heat output Prated kW 62 84 104
Useful heat output at rated heat output and high temperature regime(2)
P4 kW 615 842 1039
Useful heat output at 30 of rated heat output and low temperature regime(1)
P1 kW 205 279 347
Seasonal space heating energy efficiency ƞs 94 - -Useful efficiency at rated heat output and high temperature regime(2)
ƞ4 894 882 875
Useful efficiency at 30 of rated heat output and low temperature regime(1)
ƞ1 995 974 973
Auxiliary electricity consumption Full load elmax kW 0092 0124 0180Part load elmin kW 0025 0024 0034Stand-by PSB kW 0006 0005 0009
Other specifications Standby heat loss Pstby kW 0114 0119 0119Ignition burner power consumption Pign kW - - -Annual energy consumption QHE GJ 190 - -Sound power level indoors LWA dB 55 61 60Emissions of nitrogen oxides NOx mgkWh 29 41 41(1) Low temperature means for condensing boilers 30degC for low temperature boilers 37degC and for other heaters 50degC return temperature
(at heater inlet)(2) High temperature regime means 60 degC return temperature at heater inlet and 80 degC feed temperature at heater outlet
SeeThe back cover for contact details
322 Circulating pump (not provided)
The boiler is supplied without a circulating pump Take the boiler pressure drop and system pressure drop into account when selecting a pump
CautionThe maximum output of a pump that can be connected is 200 W Above this use an auxiliary relay adapted to the pump output
If possible install the pump in direct connection to the boiler on the return circuit
For more information see
Circulating pump
The maximum difference in temperature between the flow water and the return water and the speed at which the boiler temperature increases are restricted by the boilers control system
3 Technical specifications
14 Gas 120 ACE 7717202 - v03 - 24062019
Tab10 Minimum flow to be guaranteedMinimum flow to be guaranteed in the boiler Unit Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Minimum flow rate litreshour 290 340 455
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
323 Sensor specifications
Outside temperature sensor specifications
Tab11 Outside temperature sensorTemperature degC -20 -16 -12 -8 -4 0 4 8 12 16 20 24Resistance Ω
(Ohm)2392 2088 1811 1562 1342 1149 984 842 720 616 528 454
Fig2 Pressure drops for Gas 120 ACE - 65
MW-2000671-3
T=20KT=40K
175
Fig3 Pressure drops for Gas 120 ACE - 90
MW-2000673-3
T=20KT=40K
362
Fig4 Pressure drops for Gas 120 ACE - 115
MW-2000674-3
T=20KT=35K
447
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 15
Boiler sensor return sensor
Tab12 Boiler sensor return sensorTemperature in degC
-20 -10 0 10 20 25 30 40 50 60 70 80 90 100 110
Resistance in Ω
98932 58879 36129 22804 14773 10000 9804 6652 4607 3252 2337 1707 1266 952 726
Circuit flow sensor domestic hot water sensor and system sensor
Tab13 Circuit flow sensor domestic hot water sensor and system sensorTemperature in degC 0 10 20 25 30 40 50 60 70 80 90Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941
Specifications of the boiler flue gas sensor
Tab14 Boiler flue gas sensorTemperature degC 0 10 20 30 40 50 60 70 80 90 100Resistance Ohm 66000 40000 20000 16100 10600 7160 4940 3480 2490 1810 1340
33 Dimensions and connections
Fig5
MW-2000684-03
A
D
E
FG
BC
600 605150
92
132
240
141
418
5
2
34
107
105
95
100
1
255145
1 Heating circuit flow (R114)2 Gas inlet (G34)3 Heating circuit return (R114)
4 Condensate discharge (DN22)5 Flue gas pipe
Tab15 Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 1155 Diameter 100150 mm Diameter 100150 mm Diameter 100150 mmA (mm) 1340 1562 1562B (mm) 1164 1386 1386C (mm) 1082 1304 1304D (mm) 971 1193 1193
3 Technical specifications
16 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Dear CustomerThank you very much for buying this appliancePlease read through the manual carefully before using the product and keep it in a safe place for later reference In order to ensure continued safe and efficient operation we recommend that the product is serviced regularly Our service and customer service organisation can assist with thisWe hope you enjoy years of problem-free operation with the product
Contents1 Safety 5
11 General safety instructions 512 Recommendations 713 Liabilities 8
131 Manufacturers liability 8132 Installers liability 9133 Users liability 9
2 Symbols used 1021 Symbols used in the manual 1022 Symbols used on the appliance 10
3 Technical specifications 1131 Homologations 11
311 Directives 11312 EC Declaration of Conformity 11313 Gas categories 11314 Certifications 11315 Factory test 12
32 Technical data 12321 ErP technical parameters 14322 Circulating pump (not provided) 14323 Sensor specifications 15
33 Dimensions and connections 1634 Electrical diagram 17
341 Electrical diagram of boiler 17
4 Description of the product 1941 General description 1942 Operating principle 19
421 Gasair setting 19422 Settings and safety devices 19
43 Main boiler components 2044 PCBs 20
441 Description of the CU-GH-08 PCB 2045 Standard delivery 2046 Accessories amp options 20
5 Installation 2151 Installation regulations 2152 Choice of the location 21
521 Data plate 21522 Space required - Boiler ventilation 21523 Ventilation 22524 Fitting the outdoor sensor 23
53 Transport 2454 Unpacking and preparing the boiler 2455 Hydraulic connections 27
551 Water treatment 27552 Flushing new installations and installations less than 6 months old 28553 Flushing an existing installation 28554 Connecting the heating circuit 28555 Connecting the condensate discharge pipe 28556 Filling the siphon 29
56 Gas connection 29561 Gas supply 30
57 Air supplyflue gas outlet connections 30571 Classification 30572 Lengths of the airflue gas pipes 33573 Dimensions of flue gas outlet pipe 34574 Connection to the flue gas pipe 35
6 Operation 3761 Settings 37
Contents
7717202 - v03 - 24062019 Gas 120 ACE 3
7 Maintenance 3871 General 3872 Specific maintenance operations 38
721 Cleaning the siphon 38722 Checking the ionisation current 39723 Replace the ionizationignition electrode 40724 Servicing the forced flue connection pipes 40725 Checking the burner and cleaning the heat exchanger 40726 Checking the non-return valve 42
8 Decommissioning 4381 Decommissioning procedure 4382 Recommissioning procedure 43
9 Disposal and recycling 44
10 Environmental 45101 Energy savings 45102 Room thermostat and settings 45
11 Warranty 46111 General 46112 Terms of warranty 46
12 Spare parts 47121 General 47122 Spare parts lists 47
1221 Exchanger 471222 Gas circuit 481223 Hydraulic circuit 501224 Boiler body 511225 Casing 521226 Boiler PCB housing 53
13 Appendix 54131 Package fiche - Boilers 54132 Product fiche - Temperature Controls 55133 Product fiche 55
Contents
4 Gas 120 ACE 7717202 - v03 - 24062019
1 Safety
11 General safety instructions
For the installer and end user
DangerThis appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Children shall not play with the appliance Cleaning and user maintenance shall not be made by children without supervision
CautionDo not touch the flue gas pipes Depending on the boiler settings the temperature of the flue gas pipes can rise to over 60degC
CautionDo not touch radiators for long periods Depending on the boiler settings the temperature of the radiators may exceed 60degC
CautionTake precautions with the domestic hot water Depending on the boiler settings the domestic hot water temperature may exceed 65degC
Danger of electric shockBefore any work switch off the mains supply to the boiler
For the installer
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 5
DangerIf you smell gas1 Do not use a naked flame do not smoke do
not operate electrical contacts or switches (doorbell light motor lift etc)
2 Shut off the gas supply3 Open the windows4 Locate the probable leak and seal it
immediately5 If the leak is before the gas meter contact the
gas supplier
DangerIf you smell flue gases1 Switch off the appliance2 Open the windows3 Locate the probable source of the flue gas
leak and fix it immediately
WarningThe condensation drain must not be changed or sealed If a condensate neutralisation system is used the system must be cleaned regularly in accordance with the instructions provided by the manufacturer
For the end user
DangerIf you smell gas1 Do not use a naked flame do not smoke do
not operate electrical contacts or switches (doorbell light motor lift etc)
2 Shut off the gas supply3 Open the windows4 Evacuate the property5 Contact a qualified professional
DangerIf you smell flue gases1 Switch off the appliance2 Open the windows3 Evacuate the property4 Contact a qualified professional
1 Safety
6 Gas 120 ACE 7717202 - v03 - 24062019
12 Recommendations
DangerFor safety reasons we recommend fitting smoke and CO2 detectors and alarms at suitable places in your home
CautionThe boiler must always be connected to the protective earthingEarthing must comply with the prevailing installation standardsEarth the appliance before making any electrical connections
For the type and calibre of the protective equipment refer to the chapter Electrical Connections in the Installation and Service Manual
CautionIf a power cord comes with the appliance and it turns out to be damaged it must be replaced by the manufacturer its after sales service or persons with similar qualifications in order to obviate any danger
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionPower the appliance via a circuit that includes an omni-polar switch with contact opening distance of 3 mm or more
CautionDrain the boiler and heating system if the home is left empty for a long period of time and there is a chance of frost
CautionRemove the boiler casing only to perform maintenance and repair work Always put the casing back in place after such work
CautionTo enjoy warranty cover no modifications must be made to the boiler
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 7
CautionThe frost protection function only protects the boiler not the heating system
CautionThe frost protection function does not work if the boiler is powered off
CautionThe appliance should be switched to Summer or Frost Protection mode rather than be switched off in order to guarantee the following functions
Avoidance of pumps blockingFrost Protection
ImportantRespect the minimum and maximum water inlet pressure to ensure correct operation of the boiler refer to the chapter Technical Specifications
ImportantOnly qualified professionals are permitted to install the boiler in accordance with prevailing local and national regulations
ImportantNever remove or cover labels and data plates affixed to the boilerLabels and data plates must be legible throughout the entire lifetime of the boiler Immediately replace damaged or illegible instructions and warning labels
ImportantKeep this document close to the place where the appliance is installed
13 Liabilities
131 Manufacturers liability
Our products are manufactured in compliance with the requirements of the various Directives applicable They are therefore delivered with the marking and any documents necessary In the interests of the quality of our products we strive constantly to improve them We therefore reserve the right to modify the specifications given in this documentOur liability as manufacturer may not be invoked in the following cases
1 Safety
8 Gas 120 ACE 7717202 - v03 - 24062019
Failure to abide by the instructions on installing and maintaining the applianceFailure to abide by the instructions on using the applianceFaulty or insufficient maintenance of the appliance
132 Installers liability
The installer is responsible for the installation and initial commissioning of the appliance The installer must observe the following instructions
Read and follow the instructions given in the manuals provided with the applianceInstall the appliance in compliance with prevailing legislation and standardsCarry out initial commissioning and any checks necessaryExplain the installation to the userIf maintenance is necessary warn the user of the obligation to check the appliance and keep it in good working orderGive all the instruction manuals to the user
133 Users liability
To guarantee optimum operation of the system you must abide by the following instructions
Read and follow the instructions given in the manuals provided with the applianceCall on a qualified professional to carry out installation and initial commissioningGet your installer to explain your installation to youHave the required inspections and maintenance carried out by a qualified installerKeep the instruction manuals in good condition close to the appliance
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 9
2 Symbols used
21 Symbols used in the manual
This manual uses various danger levels to draw attention to special instructions We do this to improve user safety to prevent problems and to guarantee correct operation of the appliance
DangerRisk of dangerous situations that may result in serious personal injury
Danger of electric shockRisk of electric shock
WarningRisk of dangerous situations that may result in minor personal injury
CautionRisk of material damage
ImportantPlease note important information
SeeReference to other manuals or pages in this manual
22 Symbols used on the appliance
1 Alternating current2 Protective earthing3 Before installing and commissioning the appliance carefully read
the instruction manuals provided4 Dispose of used products through an appropriate recovery and
recycling structure5 Caution danger of electric shock live parts Disconnect the mains
power prior to carrying out any work
Fig1
1 2
MW-2000068-1
1
2
3
4
5
2 Symbols used
10 Gas 120 ACE 7717202 - v03 - 24062019
3 Technical specifications
31 Homologations
311 Directives
This product has been manufactured and put into circulation in accordance with the requirements and standards of the following European Directives
Gas Appliances Regulation (EU) (2016426)
Pressure Equipment Directive 201468EU
Electromagnetic Compatibility Directive (201430EU)
Low Voltage Directive (201435EU)
Efficiency Directive (9242EEC)
European Ecodesign Directive (2009125EC)EU Regulation (8132013)
Energy Labelling Framework Regulation (EU) (20171369)EU Regulation (8112013)
BS 7074 Part 1 Application selection and installation of expansion vessels and ancillary equipment for sealed water systemsBS 6644 Specification for the installation of gas-fired condensing boilers with a nominal output exceeding 70 kWBS EN 12828 Design for water-based heating systemsBS EN 13831 Closed expansion vessels
Apart from the legal provisions and Directives the additional Directives described in these instructions must also be observedFor all provisions and Directives referred to in these instructions it is agreed that all addenda or subsequent provisions will apply at the time of installation
312 EC Declaration of Conformity
The unit complies with the standard type described in the EC declaration of conformity It has been manufactured and commissioned in accordance with European directivesThe original declaration of conformity is available from the manufacturer
313 Gas categories
Tab1 Czech Republic Spain Greece Portugal Switzerland UK
Category Gas type Connection pressure (mbar) Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
II2H3BP G20 (H gas) 20 X X X G30G31 (butanepropane) 303750 X X X
314 Certifications
Tab2 CertificationsCE number 0085CT0009NOx class 6 (EN 15502-1)
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 11
Type of flue gas connection Chimney
B23B23PB33
Forced flue
C13C13XC33C33XC43C43XC53C63C63XC83C83XC93C93X
315 Factory test
Before leaving the factory each boiler is optimally set and tested for
Electrical safetySettings (CO2)Water tightnessGas tightnessParameter setting
32 Technical data
Tab3 GeneralGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Nominal heat output (Pn)Central heating operation (80 degC60 degC)
minndashmax kW 120 - 615 141 - 842 189 - 1039
Nominal heat output (Pn)Central heating operation (50 degC30 degC)
minndashmax kW 135 - 650 158 - 895 212 - 1097
Nominal input power (Qn)Heating mode (Hi)
minndashmax kW 122 - 620 146 - 860 196 - 1070
Nominal input power (Qn)Heating operation (Hi) G31 (propane)
minndashmax kW 122 - 620 221 - 860 212 - 1070
Nominal input power (Qn)Central heating operation (Hs)
minndashmax kW 137 - 689 162 - 955 217 - 1189
Full load heating mode efficiency (Hi) (8060 degC) (9242EEC)
992 979 971
Full load heating mode efficiency (Hi) (50 degC30 degC)
1046 1041 1025
Part load heating mode efficiency (9242EEC) (return temperature 30 degC)
1104 1081 108
Tab4 Gas and flue gas valuesGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115G20 gas consumption (H gas)(1) minndashmax m3h 13 - 66 15 - 91 20 - 117Gas consumption G31 (propane)(1)
minndashmax m3h 05 - 25 09 - 35 09 - 45
3 Technical specifications
12 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
Gas resistance G20 (H gas)(2) max mbar 20 25 30BREAM NOx mgkWh 32 29 35Flue gas quantity minndashmax m3h 18 - 90 22 - 125 30 - 160Flue gas temperature minndashmax degC 30 - 120 30 - 120 30 - 120Maximum counter pressure (Pn) Pa 100 160 220
(1) Gas consumption based on lower heating value in standardised conditions T=28815 K p=101325 mbar Gag 3033 G25 2925 G31 8800 MJm3
(2) Gas resistance between boiler connection and measurement point on the gas valve unit
Tab5Gas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Gas inlet pressure G20 (H gas) minndashmax mbar 17 - 25 17 - 25 17 - 25G30G31 gas inlet pressure (ButanePropane) minndashmax mbar 37 - 50 37 - 50 37 - 50G31 gas inlet pressure (Propane) minndashmax mbar 37 - 50 37 - 50 37 - 50
Tab6 Central heating circuit dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Water content l 71 101 101Water operating pressure min bar 08 08 08Water operating pressure (MOP) max bar 40 40 40Water temperature max degC 110 110 110Operating temperature max degC 90 90 90Pressure drop secondary circuit (ΔT = 20 K) mWC 17 16 26Maximum permitted temperature difference(1) max degC 40(1) 40(1) 35(1)
(1) with a maximum flow temperature of 80 degC
Tab7 Electrical dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Supply voltage (AC) V 230 230 230Power consumption ndash full load max W 92 124 180Power consumption - low load max W 25 24 344Power consumption ndash standby max W 6 5 9Electrical protection rating IP X1B X1B X1BFuses Main A 10 10 10
Tab8 Other dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Total weight (empty) kg 98 109 109Average acoustic level at a distance of one meshytre from the boiler
dB(A) 40 45 45
SeeThe back cover for contact details
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 13
321 ErP technical parameters
Tab9 Technical parameters for boiler space heatersProduct name Gas 120 ACE
- 65Gas 120 ACE - 90
Gas 120 ACE - 115
Condensing boiler Yes Yes YesLow-temperature boiler(1) No No NoB1 boiler No No NoCogeneration space heater No No NoCombination heater No No NoRated heat output Prated kW 62 84 104
Useful heat output at rated heat output and high temperature regime(2)
P4 kW 615 842 1039
Useful heat output at 30 of rated heat output and low temperature regime(1)
P1 kW 205 279 347
Seasonal space heating energy efficiency ƞs 94 - -Useful efficiency at rated heat output and high temperature regime(2)
ƞ4 894 882 875
Useful efficiency at 30 of rated heat output and low temperature regime(1)
ƞ1 995 974 973
Auxiliary electricity consumption Full load elmax kW 0092 0124 0180Part load elmin kW 0025 0024 0034Stand-by PSB kW 0006 0005 0009
Other specifications Standby heat loss Pstby kW 0114 0119 0119Ignition burner power consumption Pign kW - - -Annual energy consumption QHE GJ 190 - -Sound power level indoors LWA dB 55 61 60Emissions of nitrogen oxides NOx mgkWh 29 41 41(1) Low temperature means for condensing boilers 30degC for low temperature boilers 37degC and for other heaters 50degC return temperature
(at heater inlet)(2) High temperature regime means 60 degC return temperature at heater inlet and 80 degC feed temperature at heater outlet
SeeThe back cover for contact details
322 Circulating pump (not provided)
The boiler is supplied without a circulating pump Take the boiler pressure drop and system pressure drop into account when selecting a pump
CautionThe maximum output of a pump that can be connected is 200 W Above this use an auxiliary relay adapted to the pump output
If possible install the pump in direct connection to the boiler on the return circuit
For more information see
Circulating pump
The maximum difference in temperature between the flow water and the return water and the speed at which the boiler temperature increases are restricted by the boilers control system
3 Technical specifications
14 Gas 120 ACE 7717202 - v03 - 24062019
Tab10 Minimum flow to be guaranteedMinimum flow to be guaranteed in the boiler Unit Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Minimum flow rate litreshour 290 340 455
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
323 Sensor specifications
Outside temperature sensor specifications
Tab11 Outside temperature sensorTemperature degC -20 -16 -12 -8 -4 0 4 8 12 16 20 24Resistance Ω
(Ohm)2392 2088 1811 1562 1342 1149 984 842 720 616 528 454
Fig2 Pressure drops for Gas 120 ACE - 65
MW-2000671-3
T=20KT=40K
175
Fig3 Pressure drops for Gas 120 ACE - 90
MW-2000673-3
T=20KT=40K
362
Fig4 Pressure drops for Gas 120 ACE - 115
MW-2000674-3
T=20KT=35K
447
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 15
Boiler sensor return sensor
Tab12 Boiler sensor return sensorTemperature in degC
-20 -10 0 10 20 25 30 40 50 60 70 80 90 100 110
Resistance in Ω
98932 58879 36129 22804 14773 10000 9804 6652 4607 3252 2337 1707 1266 952 726
Circuit flow sensor domestic hot water sensor and system sensor
Tab13 Circuit flow sensor domestic hot water sensor and system sensorTemperature in degC 0 10 20 25 30 40 50 60 70 80 90Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941
Specifications of the boiler flue gas sensor
Tab14 Boiler flue gas sensorTemperature degC 0 10 20 30 40 50 60 70 80 90 100Resistance Ohm 66000 40000 20000 16100 10600 7160 4940 3480 2490 1810 1340
33 Dimensions and connections
Fig5
MW-2000684-03
A
D
E
FG
BC
600 605150
92
132
240
141
418
5
2
34
107
105
95
100
1
255145
1 Heating circuit flow (R114)2 Gas inlet (G34)3 Heating circuit return (R114)
4 Condensate discharge (DN22)5 Flue gas pipe
Tab15 Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 1155 Diameter 100150 mm Diameter 100150 mm Diameter 100150 mmA (mm) 1340 1562 1562B (mm) 1164 1386 1386C (mm) 1082 1304 1304D (mm) 971 1193 1193
3 Technical specifications
16 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
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Industrie Nord
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Remeha GmbH
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48282 Emsdetten
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F +49 25572 9161 - 102
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Scanboiler Varmeteknik AS
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Ecotherm Energy SL
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EST Systems Oy
Kujamatintie 16
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Marketbau - Remeha Kft
Gyaacuter u 2
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E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
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Via Trieste 4a
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Remeha SRL
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Scara 5 Ap 53 Judejul Cluj
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E remeharemehacazanro
Green Building
Temerinska 57
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Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
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Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Contents1 Safety 5
11 General safety instructions 512 Recommendations 713 Liabilities 8
131 Manufacturers liability 8132 Installers liability 9133 Users liability 9
2 Symbols used 1021 Symbols used in the manual 1022 Symbols used on the appliance 10
3 Technical specifications 1131 Homologations 11
311 Directives 11312 EC Declaration of Conformity 11313 Gas categories 11314 Certifications 11315 Factory test 12
32 Technical data 12321 ErP technical parameters 14322 Circulating pump (not provided) 14323 Sensor specifications 15
33 Dimensions and connections 1634 Electrical diagram 17
341 Electrical diagram of boiler 17
4 Description of the product 1941 General description 1942 Operating principle 19
421 Gasair setting 19422 Settings and safety devices 19
43 Main boiler components 2044 PCBs 20
441 Description of the CU-GH-08 PCB 2045 Standard delivery 2046 Accessories amp options 20
5 Installation 2151 Installation regulations 2152 Choice of the location 21
521 Data plate 21522 Space required - Boiler ventilation 21523 Ventilation 22524 Fitting the outdoor sensor 23
53 Transport 2454 Unpacking and preparing the boiler 2455 Hydraulic connections 27
551 Water treatment 27552 Flushing new installations and installations less than 6 months old 28553 Flushing an existing installation 28554 Connecting the heating circuit 28555 Connecting the condensate discharge pipe 28556 Filling the siphon 29
56 Gas connection 29561 Gas supply 30
57 Air supplyflue gas outlet connections 30571 Classification 30572 Lengths of the airflue gas pipes 33573 Dimensions of flue gas outlet pipe 34574 Connection to the flue gas pipe 35
6 Operation 3761 Settings 37
Contents
7717202 - v03 - 24062019 Gas 120 ACE 3
7 Maintenance 3871 General 3872 Specific maintenance operations 38
721 Cleaning the siphon 38722 Checking the ionisation current 39723 Replace the ionizationignition electrode 40724 Servicing the forced flue connection pipes 40725 Checking the burner and cleaning the heat exchanger 40726 Checking the non-return valve 42
8 Decommissioning 4381 Decommissioning procedure 4382 Recommissioning procedure 43
9 Disposal and recycling 44
10 Environmental 45101 Energy savings 45102 Room thermostat and settings 45
11 Warranty 46111 General 46112 Terms of warranty 46
12 Spare parts 47121 General 47122 Spare parts lists 47
1221 Exchanger 471222 Gas circuit 481223 Hydraulic circuit 501224 Boiler body 511225 Casing 521226 Boiler PCB housing 53
13 Appendix 54131 Package fiche - Boilers 54132 Product fiche - Temperature Controls 55133 Product fiche 55
Contents
4 Gas 120 ACE 7717202 - v03 - 24062019
1 Safety
11 General safety instructions
For the installer and end user
DangerThis appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Children shall not play with the appliance Cleaning and user maintenance shall not be made by children without supervision
CautionDo not touch the flue gas pipes Depending on the boiler settings the temperature of the flue gas pipes can rise to over 60degC
CautionDo not touch radiators for long periods Depending on the boiler settings the temperature of the radiators may exceed 60degC
CautionTake precautions with the domestic hot water Depending on the boiler settings the domestic hot water temperature may exceed 65degC
Danger of electric shockBefore any work switch off the mains supply to the boiler
For the installer
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 5
DangerIf you smell gas1 Do not use a naked flame do not smoke do
not operate electrical contacts or switches (doorbell light motor lift etc)
2 Shut off the gas supply3 Open the windows4 Locate the probable leak and seal it
immediately5 If the leak is before the gas meter contact the
gas supplier
DangerIf you smell flue gases1 Switch off the appliance2 Open the windows3 Locate the probable source of the flue gas
leak and fix it immediately
WarningThe condensation drain must not be changed or sealed If a condensate neutralisation system is used the system must be cleaned regularly in accordance with the instructions provided by the manufacturer
For the end user
DangerIf you smell gas1 Do not use a naked flame do not smoke do
not operate electrical contacts or switches (doorbell light motor lift etc)
2 Shut off the gas supply3 Open the windows4 Evacuate the property5 Contact a qualified professional
DangerIf you smell flue gases1 Switch off the appliance2 Open the windows3 Evacuate the property4 Contact a qualified professional
1 Safety
6 Gas 120 ACE 7717202 - v03 - 24062019
12 Recommendations
DangerFor safety reasons we recommend fitting smoke and CO2 detectors and alarms at suitable places in your home
CautionThe boiler must always be connected to the protective earthingEarthing must comply with the prevailing installation standardsEarth the appliance before making any electrical connections
For the type and calibre of the protective equipment refer to the chapter Electrical Connections in the Installation and Service Manual
CautionIf a power cord comes with the appliance and it turns out to be damaged it must be replaced by the manufacturer its after sales service or persons with similar qualifications in order to obviate any danger
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionPower the appliance via a circuit that includes an omni-polar switch with contact opening distance of 3 mm or more
CautionDrain the boiler and heating system if the home is left empty for a long period of time and there is a chance of frost
CautionRemove the boiler casing only to perform maintenance and repair work Always put the casing back in place after such work
CautionTo enjoy warranty cover no modifications must be made to the boiler
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 7
CautionThe frost protection function only protects the boiler not the heating system
CautionThe frost protection function does not work if the boiler is powered off
CautionThe appliance should be switched to Summer or Frost Protection mode rather than be switched off in order to guarantee the following functions
Avoidance of pumps blockingFrost Protection
ImportantRespect the minimum and maximum water inlet pressure to ensure correct operation of the boiler refer to the chapter Technical Specifications
ImportantOnly qualified professionals are permitted to install the boiler in accordance with prevailing local and national regulations
ImportantNever remove or cover labels and data plates affixed to the boilerLabels and data plates must be legible throughout the entire lifetime of the boiler Immediately replace damaged or illegible instructions and warning labels
ImportantKeep this document close to the place where the appliance is installed
13 Liabilities
131 Manufacturers liability
Our products are manufactured in compliance with the requirements of the various Directives applicable They are therefore delivered with the marking and any documents necessary In the interests of the quality of our products we strive constantly to improve them We therefore reserve the right to modify the specifications given in this documentOur liability as manufacturer may not be invoked in the following cases
1 Safety
8 Gas 120 ACE 7717202 - v03 - 24062019
Failure to abide by the instructions on installing and maintaining the applianceFailure to abide by the instructions on using the applianceFaulty or insufficient maintenance of the appliance
132 Installers liability
The installer is responsible for the installation and initial commissioning of the appliance The installer must observe the following instructions
Read and follow the instructions given in the manuals provided with the applianceInstall the appliance in compliance with prevailing legislation and standardsCarry out initial commissioning and any checks necessaryExplain the installation to the userIf maintenance is necessary warn the user of the obligation to check the appliance and keep it in good working orderGive all the instruction manuals to the user
133 Users liability
To guarantee optimum operation of the system you must abide by the following instructions
Read and follow the instructions given in the manuals provided with the applianceCall on a qualified professional to carry out installation and initial commissioningGet your installer to explain your installation to youHave the required inspections and maintenance carried out by a qualified installerKeep the instruction manuals in good condition close to the appliance
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 9
2 Symbols used
21 Symbols used in the manual
This manual uses various danger levels to draw attention to special instructions We do this to improve user safety to prevent problems and to guarantee correct operation of the appliance
DangerRisk of dangerous situations that may result in serious personal injury
Danger of electric shockRisk of electric shock
WarningRisk of dangerous situations that may result in minor personal injury
CautionRisk of material damage
ImportantPlease note important information
SeeReference to other manuals or pages in this manual
22 Symbols used on the appliance
1 Alternating current2 Protective earthing3 Before installing and commissioning the appliance carefully read
the instruction manuals provided4 Dispose of used products through an appropriate recovery and
recycling structure5 Caution danger of electric shock live parts Disconnect the mains
power prior to carrying out any work
Fig1
1 2
MW-2000068-1
1
2
3
4
5
2 Symbols used
10 Gas 120 ACE 7717202 - v03 - 24062019
3 Technical specifications
31 Homologations
311 Directives
This product has been manufactured and put into circulation in accordance with the requirements and standards of the following European Directives
Gas Appliances Regulation (EU) (2016426)
Pressure Equipment Directive 201468EU
Electromagnetic Compatibility Directive (201430EU)
Low Voltage Directive (201435EU)
Efficiency Directive (9242EEC)
European Ecodesign Directive (2009125EC)EU Regulation (8132013)
Energy Labelling Framework Regulation (EU) (20171369)EU Regulation (8112013)
BS 7074 Part 1 Application selection and installation of expansion vessels and ancillary equipment for sealed water systemsBS 6644 Specification for the installation of gas-fired condensing boilers with a nominal output exceeding 70 kWBS EN 12828 Design for water-based heating systemsBS EN 13831 Closed expansion vessels
Apart from the legal provisions and Directives the additional Directives described in these instructions must also be observedFor all provisions and Directives referred to in these instructions it is agreed that all addenda or subsequent provisions will apply at the time of installation
312 EC Declaration of Conformity
The unit complies with the standard type described in the EC declaration of conformity It has been manufactured and commissioned in accordance with European directivesThe original declaration of conformity is available from the manufacturer
313 Gas categories
Tab1 Czech Republic Spain Greece Portugal Switzerland UK
Category Gas type Connection pressure (mbar) Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
II2H3BP G20 (H gas) 20 X X X G30G31 (butanepropane) 303750 X X X
314 Certifications
Tab2 CertificationsCE number 0085CT0009NOx class 6 (EN 15502-1)
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 11
Type of flue gas connection Chimney
B23B23PB33
Forced flue
C13C13XC33C33XC43C43XC53C63C63XC83C83XC93C93X
315 Factory test
Before leaving the factory each boiler is optimally set and tested for
Electrical safetySettings (CO2)Water tightnessGas tightnessParameter setting
32 Technical data
Tab3 GeneralGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Nominal heat output (Pn)Central heating operation (80 degC60 degC)
minndashmax kW 120 - 615 141 - 842 189 - 1039
Nominal heat output (Pn)Central heating operation (50 degC30 degC)
minndashmax kW 135 - 650 158 - 895 212 - 1097
Nominal input power (Qn)Heating mode (Hi)
minndashmax kW 122 - 620 146 - 860 196 - 1070
Nominal input power (Qn)Heating operation (Hi) G31 (propane)
minndashmax kW 122 - 620 221 - 860 212 - 1070
Nominal input power (Qn)Central heating operation (Hs)
minndashmax kW 137 - 689 162 - 955 217 - 1189
Full load heating mode efficiency (Hi) (8060 degC) (9242EEC)
992 979 971
Full load heating mode efficiency (Hi) (50 degC30 degC)
1046 1041 1025
Part load heating mode efficiency (9242EEC) (return temperature 30 degC)
1104 1081 108
Tab4 Gas and flue gas valuesGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115G20 gas consumption (H gas)(1) minndashmax m3h 13 - 66 15 - 91 20 - 117Gas consumption G31 (propane)(1)
minndashmax m3h 05 - 25 09 - 35 09 - 45
3 Technical specifications
12 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
Gas resistance G20 (H gas)(2) max mbar 20 25 30BREAM NOx mgkWh 32 29 35Flue gas quantity minndashmax m3h 18 - 90 22 - 125 30 - 160Flue gas temperature minndashmax degC 30 - 120 30 - 120 30 - 120Maximum counter pressure (Pn) Pa 100 160 220
(1) Gas consumption based on lower heating value in standardised conditions T=28815 K p=101325 mbar Gag 3033 G25 2925 G31 8800 MJm3
(2) Gas resistance between boiler connection and measurement point on the gas valve unit
Tab5Gas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Gas inlet pressure G20 (H gas) minndashmax mbar 17 - 25 17 - 25 17 - 25G30G31 gas inlet pressure (ButanePropane) minndashmax mbar 37 - 50 37 - 50 37 - 50G31 gas inlet pressure (Propane) minndashmax mbar 37 - 50 37 - 50 37 - 50
Tab6 Central heating circuit dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Water content l 71 101 101Water operating pressure min bar 08 08 08Water operating pressure (MOP) max bar 40 40 40Water temperature max degC 110 110 110Operating temperature max degC 90 90 90Pressure drop secondary circuit (ΔT = 20 K) mWC 17 16 26Maximum permitted temperature difference(1) max degC 40(1) 40(1) 35(1)
(1) with a maximum flow temperature of 80 degC
Tab7 Electrical dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Supply voltage (AC) V 230 230 230Power consumption ndash full load max W 92 124 180Power consumption - low load max W 25 24 344Power consumption ndash standby max W 6 5 9Electrical protection rating IP X1B X1B X1BFuses Main A 10 10 10
Tab8 Other dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Total weight (empty) kg 98 109 109Average acoustic level at a distance of one meshytre from the boiler
dB(A) 40 45 45
SeeThe back cover for contact details
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 13
321 ErP technical parameters
Tab9 Technical parameters for boiler space heatersProduct name Gas 120 ACE
- 65Gas 120 ACE - 90
Gas 120 ACE - 115
Condensing boiler Yes Yes YesLow-temperature boiler(1) No No NoB1 boiler No No NoCogeneration space heater No No NoCombination heater No No NoRated heat output Prated kW 62 84 104
Useful heat output at rated heat output and high temperature regime(2)
P4 kW 615 842 1039
Useful heat output at 30 of rated heat output and low temperature regime(1)
P1 kW 205 279 347
Seasonal space heating energy efficiency ƞs 94 - -Useful efficiency at rated heat output and high temperature regime(2)
ƞ4 894 882 875
Useful efficiency at 30 of rated heat output and low temperature regime(1)
ƞ1 995 974 973
Auxiliary electricity consumption Full load elmax kW 0092 0124 0180Part load elmin kW 0025 0024 0034Stand-by PSB kW 0006 0005 0009
Other specifications Standby heat loss Pstby kW 0114 0119 0119Ignition burner power consumption Pign kW - - -Annual energy consumption QHE GJ 190 - -Sound power level indoors LWA dB 55 61 60Emissions of nitrogen oxides NOx mgkWh 29 41 41(1) Low temperature means for condensing boilers 30degC for low temperature boilers 37degC and for other heaters 50degC return temperature
(at heater inlet)(2) High temperature regime means 60 degC return temperature at heater inlet and 80 degC feed temperature at heater outlet
SeeThe back cover for contact details
322 Circulating pump (not provided)
The boiler is supplied without a circulating pump Take the boiler pressure drop and system pressure drop into account when selecting a pump
CautionThe maximum output of a pump that can be connected is 200 W Above this use an auxiliary relay adapted to the pump output
If possible install the pump in direct connection to the boiler on the return circuit
For more information see
Circulating pump
The maximum difference in temperature between the flow water and the return water and the speed at which the boiler temperature increases are restricted by the boilers control system
3 Technical specifications
14 Gas 120 ACE 7717202 - v03 - 24062019
Tab10 Minimum flow to be guaranteedMinimum flow to be guaranteed in the boiler Unit Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Minimum flow rate litreshour 290 340 455
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
323 Sensor specifications
Outside temperature sensor specifications
Tab11 Outside temperature sensorTemperature degC -20 -16 -12 -8 -4 0 4 8 12 16 20 24Resistance Ω
(Ohm)2392 2088 1811 1562 1342 1149 984 842 720 616 528 454
Fig2 Pressure drops for Gas 120 ACE - 65
MW-2000671-3
T=20KT=40K
175
Fig3 Pressure drops for Gas 120 ACE - 90
MW-2000673-3
T=20KT=40K
362
Fig4 Pressure drops for Gas 120 ACE - 115
MW-2000674-3
T=20KT=35K
447
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 15
Boiler sensor return sensor
Tab12 Boiler sensor return sensorTemperature in degC
-20 -10 0 10 20 25 30 40 50 60 70 80 90 100 110
Resistance in Ω
98932 58879 36129 22804 14773 10000 9804 6652 4607 3252 2337 1707 1266 952 726
Circuit flow sensor domestic hot water sensor and system sensor
Tab13 Circuit flow sensor domestic hot water sensor and system sensorTemperature in degC 0 10 20 25 30 40 50 60 70 80 90Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941
Specifications of the boiler flue gas sensor
Tab14 Boiler flue gas sensorTemperature degC 0 10 20 30 40 50 60 70 80 90 100Resistance Ohm 66000 40000 20000 16100 10600 7160 4940 3480 2490 1810 1340
33 Dimensions and connections
Fig5
MW-2000684-03
A
D
E
FG
BC
600 605150
92
132
240
141
418
5
2
34
107
105
95
100
1
255145
1 Heating circuit flow (R114)2 Gas inlet (G34)3 Heating circuit return (R114)
4 Condensate discharge (DN22)5 Flue gas pipe
Tab15 Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 1155 Diameter 100150 mm Diameter 100150 mm Diameter 100150 mmA (mm) 1340 1562 1562B (mm) 1164 1386 1386C (mm) 1082 1304 1304D (mm) 971 1193 1193
3 Technical specifications
16 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
7 Maintenance 3871 General 3872 Specific maintenance operations 38
721 Cleaning the siphon 38722 Checking the ionisation current 39723 Replace the ionizationignition electrode 40724 Servicing the forced flue connection pipes 40725 Checking the burner and cleaning the heat exchanger 40726 Checking the non-return valve 42
8 Decommissioning 4381 Decommissioning procedure 4382 Recommissioning procedure 43
9 Disposal and recycling 44
10 Environmental 45101 Energy savings 45102 Room thermostat and settings 45
11 Warranty 46111 General 46112 Terms of warranty 46
12 Spare parts 47121 General 47122 Spare parts lists 47
1221 Exchanger 471222 Gas circuit 481223 Hydraulic circuit 501224 Boiler body 511225 Casing 521226 Boiler PCB housing 53
13 Appendix 54131 Package fiche - Boilers 54132 Product fiche - Temperature Controls 55133 Product fiche 55
Contents
4 Gas 120 ACE 7717202 - v03 - 24062019
1 Safety
11 General safety instructions
For the installer and end user
DangerThis appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Children shall not play with the appliance Cleaning and user maintenance shall not be made by children without supervision
CautionDo not touch the flue gas pipes Depending on the boiler settings the temperature of the flue gas pipes can rise to over 60degC
CautionDo not touch radiators for long periods Depending on the boiler settings the temperature of the radiators may exceed 60degC
CautionTake precautions with the domestic hot water Depending on the boiler settings the domestic hot water temperature may exceed 65degC
Danger of electric shockBefore any work switch off the mains supply to the boiler
For the installer
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 5
DangerIf you smell gas1 Do not use a naked flame do not smoke do
not operate electrical contacts or switches (doorbell light motor lift etc)
2 Shut off the gas supply3 Open the windows4 Locate the probable leak and seal it
immediately5 If the leak is before the gas meter contact the
gas supplier
DangerIf you smell flue gases1 Switch off the appliance2 Open the windows3 Locate the probable source of the flue gas
leak and fix it immediately
WarningThe condensation drain must not be changed or sealed If a condensate neutralisation system is used the system must be cleaned regularly in accordance with the instructions provided by the manufacturer
For the end user
DangerIf you smell gas1 Do not use a naked flame do not smoke do
not operate electrical contacts or switches (doorbell light motor lift etc)
2 Shut off the gas supply3 Open the windows4 Evacuate the property5 Contact a qualified professional
DangerIf you smell flue gases1 Switch off the appliance2 Open the windows3 Evacuate the property4 Contact a qualified professional
1 Safety
6 Gas 120 ACE 7717202 - v03 - 24062019
12 Recommendations
DangerFor safety reasons we recommend fitting smoke and CO2 detectors and alarms at suitable places in your home
CautionThe boiler must always be connected to the protective earthingEarthing must comply with the prevailing installation standardsEarth the appliance before making any electrical connections
For the type and calibre of the protective equipment refer to the chapter Electrical Connections in the Installation and Service Manual
CautionIf a power cord comes with the appliance and it turns out to be damaged it must be replaced by the manufacturer its after sales service or persons with similar qualifications in order to obviate any danger
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionPower the appliance via a circuit that includes an omni-polar switch with contact opening distance of 3 mm or more
CautionDrain the boiler and heating system if the home is left empty for a long period of time and there is a chance of frost
CautionRemove the boiler casing only to perform maintenance and repair work Always put the casing back in place after such work
CautionTo enjoy warranty cover no modifications must be made to the boiler
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 7
CautionThe frost protection function only protects the boiler not the heating system
CautionThe frost protection function does not work if the boiler is powered off
CautionThe appliance should be switched to Summer or Frost Protection mode rather than be switched off in order to guarantee the following functions
Avoidance of pumps blockingFrost Protection
ImportantRespect the minimum and maximum water inlet pressure to ensure correct operation of the boiler refer to the chapter Technical Specifications
ImportantOnly qualified professionals are permitted to install the boiler in accordance with prevailing local and national regulations
ImportantNever remove or cover labels and data plates affixed to the boilerLabels and data plates must be legible throughout the entire lifetime of the boiler Immediately replace damaged or illegible instructions and warning labels
ImportantKeep this document close to the place where the appliance is installed
13 Liabilities
131 Manufacturers liability
Our products are manufactured in compliance with the requirements of the various Directives applicable They are therefore delivered with the marking and any documents necessary In the interests of the quality of our products we strive constantly to improve them We therefore reserve the right to modify the specifications given in this documentOur liability as manufacturer may not be invoked in the following cases
1 Safety
8 Gas 120 ACE 7717202 - v03 - 24062019
Failure to abide by the instructions on installing and maintaining the applianceFailure to abide by the instructions on using the applianceFaulty or insufficient maintenance of the appliance
132 Installers liability
The installer is responsible for the installation and initial commissioning of the appliance The installer must observe the following instructions
Read and follow the instructions given in the manuals provided with the applianceInstall the appliance in compliance with prevailing legislation and standardsCarry out initial commissioning and any checks necessaryExplain the installation to the userIf maintenance is necessary warn the user of the obligation to check the appliance and keep it in good working orderGive all the instruction manuals to the user
133 Users liability
To guarantee optimum operation of the system you must abide by the following instructions
Read and follow the instructions given in the manuals provided with the applianceCall on a qualified professional to carry out installation and initial commissioningGet your installer to explain your installation to youHave the required inspections and maintenance carried out by a qualified installerKeep the instruction manuals in good condition close to the appliance
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 9
2 Symbols used
21 Symbols used in the manual
This manual uses various danger levels to draw attention to special instructions We do this to improve user safety to prevent problems and to guarantee correct operation of the appliance
DangerRisk of dangerous situations that may result in serious personal injury
Danger of electric shockRisk of electric shock
WarningRisk of dangerous situations that may result in minor personal injury
CautionRisk of material damage
ImportantPlease note important information
SeeReference to other manuals or pages in this manual
22 Symbols used on the appliance
1 Alternating current2 Protective earthing3 Before installing and commissioning the appliance carefully read
the instruction manuals provided4 Dispose of used products through an appropriate recovery and
recycling structure5 Caution danger of electric shock live parts Disconnect the mains
power prior to carrying out any work
Fig1
1 2
MW-2000068-1
1
2
3
4
5
2 Symbols used
10 Gas 120 ACE 7717202 - v03 - 24062019
3 Technical specifications
31 Homologations
311 Directives
This product has been manufactured and put into circulation in accordance with the requirements and standards of the following European Directives
Gas Appliances Regulation (EU) (2016426)
Pressure Equipment Directive 201468EU
Electromagnetic Compatibility Directive (201430EU)
Low Voltage Directive (201435EU)
Efficiency Directive (9242EEC)
European Ecodesign Directive (2009125EC)EU Regulation (8132013)
Energy Labelling Framework Regulation (EU) (20171369)EU Regulation (8112013)
BS 7074 Part 1 Application selection and installation of expansion vessels and ancillary equipment for sealed water systemsBS 6644 Specification for the installation of gas-fired condensing boilers with a nominal output exceeding 70 kWBS EN 12828 Design for water-based heating systemsBS EN 13831 Closed expansion vessels
Apart from the legal provisions and Directives the additional Directives described in these instructions must also be observedFor all provisions and Directives referred to in these instructions it is agreed that all addenda or subsequent provisions will apply at the time of installation
312 EC Declaration of Conformity
The unit complies with the standard type described in the EC declaration of conformity It has been manufactured and commissioned in accordance with European directivesThe original declaration of conformity is available from the manufacturer
313 Gas categories
Tab1 Czech Republic Spain Greece Portugal Switzerland UK
Category Gas type Connection pressure (mbar) Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
II2H3BP G20 (H gas) 20 X X X G30G31 (butanepropane) 303750 X X X
314 Certifications
Tab2 CertificationsCE number 0085CT0009NOx class 6 (EN 15502-1)
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 11
Type of flue gas connection Chimney
B23B23PB33
Forced flue
C13C13XC33C33XC43C43XC53C63C63XC83C83XC93C93X
315 Factory test
Before leaving the factory each boiler is optimally set and tested for
Electrical safetySettings (CO2)Water tightnessGas tightnessParameter setting
32 Technical data
Tab3 GeneralGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Nominal heat output (Pn)Central heating operation (80 degC60 degC)
minndashmax kW 120 - 615 141 - 842 189 - 1039
Nominal heat output (Pn)Central heating operation (50 degC30 degC)
minndashmax kW 135 - 650 158 - 895 212 - 1097
Nominal input power (Qn)Heating mode (Hi)
minndashmax kW 122 - 620 146 - 860 196 - 1070
Nominal input power (Qn)Heating operation (Hi) G31 (propane)
minndashmax kW 122 - 620 221 - 860 212 - 1070
Nominal input power (Qn)Central heating operation (Hs)
minndashmax kW 137 - 689 162 - 955 217 - 1189
Full load heating mode efficiency (Hi) (8060 degC) (9242EEC)
992 979 971
Full load heating mode efficiency (Hi) (50 degC30 degC)
1046 1041 1025
Part load heating mode efficiency (9242EEC) (return temperature 30 degC)
1104 1081 108
Tab4 Gas and flue gas valuesGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115G20 gas consumption (H gas)(1) minndashmax m3h 13 - 66 15 - 91 20 - 117Gas consumption G31 (propane)(1)
minndashmax m3h 05 - 25 09 - 35 09 - 45
3 Technical specifications
12 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
Gas resistance G20 (H gas)(2) max mbar 20 25 30BREAM NOx mgkWh 32 29 35Flue gas quantity minndashmax m3h 18 - 90 22 - 125 30 - 160Flue gas temperature minndashmax degC 30 - 120 30 - 120 30 - 120Maximum counter pressure (Pn) Pa 100 160 220
(1) Gas consumption based on lower heating value in standardised conditions T=28815 K p=101325 mbar Gag 3033 G25 2925 G31 8800 MJm3
(2) Gas resistance between boiler connection and measurement point on the gas valve unit
Tab5Gas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Gas inlet pressure G20 (H gas) minndashmax mbar 17 - 25 17 - 25 17 - 25G30G31 gas inlet pressure (ButanePropane) minndashmax mbar 37 - 50 37 - 50 37 - 50G31 gas inlet pressure (Propane) minndashmax mbar 37 - 50 37 - 50 37 - 50
Tab6 Central heating circuit dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Water content l 71 101 101Water operating pressure min bar 08 08 08Water operating pressure (MOP) max bar 40 40 40Water temperature max degC 110 110 110Operating temperature max degC 90 90 90Pressure drop secondary circuit (ΔT = 20 K) mWC 17 16 26Maximum permitted temperature difference(1) max degC 40(1) 40(1) 35(1)
(1) with a maximum flow temperature of 80 degC
Tab7 Electrical dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Supply voltage (AC) V 230 230 230Power consumption ndash full load max W 92 124 180Power consumption - low load max W 25 24 344Power consumption ndash standby max W 6 5 9Electrical protection rating IP X1B X1B X1BFuses Main A 10 10 10
Tab8 Other dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Total weight (empty) kg 98 109 109Average acoustic level at a distance of one meshytre from the boiler
dB(A) 40 45 45
SeeThe back cover for contact details
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 13
321 ErP technical parameters
Tab9 Technical parameters for boiler space heatersProduct name Gas 120 ACE
- 65Gas 120 ACE - 90
Gas 120 ACE - 115
Condensing boiler Yes Yes YesLow-temperature boiler(1) No No NoB1 boiler No No NoCogeneration space heater No No NoCombination heater No No NoRated heat output Prated kW 62 84 104
Useful heat output at rated heat output and high temperature regime(2)
P4 kW 615 842 1039
Useful heat output at 30 of rated heat output and low temperature regime(1)
P1 kW 205 279 347
Seasonal space heating energy efficiency ƞs 94 - -Useful efficiency at rated heat output and high temperature regime(2)
ƞ4 894 882 875
Useful efficiency at 30 of rated heat output and low temperature regime(1)
ƞ1 995 974 973
Auxiliary electricity consumption Full load elmax kW 0092 0124 0180Part load elmin kW 0025 0024 0034Stand-by PSB kW 0006 0005 0009
Other specifications Standby heat loss Pstby kW 0114 0119 0119Ignition burner power consumption Pign kW - - -Annual energy consumption QHE GJ 190 - -Sound power level indoors LWA dB 55 61 60Emissions of nitrogen oxides NOx mgkWh 29 41 41(1) Low temperature means for condensing boilers 30degC for low temperature boilers 37degC and for other heaters 50degC return temperature
(at heater inlet)(2) High temperature regime means 60 degC return temperature at heater inlet and 80 degC feed temperature at heater outlet
SeeThe back cover for contact details
322 Circulating pump (not provided)
The boiler is supplied without a circulating pump Take the boiler pressure drop and system pressure drop into account when selecting a pump
CautionThe maximum output of a pump that can be connected is 200 W Above this use an auxiliary relay adapted to the pump output
If possible install the pump in direct connection to the boiler on the return circuit
For more information see
Circulating pump
The maximum difference in temperature between the flow water and the return water and the speed at which the boiler temperature increases are restricted by the boilers control system
3 Technical specifications
14 Gas 120 ACE 7717202 - v03 - 24062019
Tab10 Minimum flow to be guaranteedMinimum flow to be guaranteed in the boiler Unit Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Minimum flow rate litreshour 290 340 455
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
323 Sensor specifications
Outside temperature sensor specifications
Tab11 Outside temperature sensorTemperature degC -20 -16 -12 -8 -4 0 4 8 12 16 20 24Resistance Ω
(Ohm)2392 2088 1811 1562 1342 1149 984 842 720 616 528 454
Fig2 Pressure drops for Gas 120 ACE - 65
MW-2000671-3
T=20KT=40K
175
Fig3 Pressure drops for Gas 120 ACE - 90
MW-2000673-3
T=20KT=40K
362
Fig4 Pressure drops for Gas 120 ACE - 115
MW-2000674-3
T=20KT=35K
447
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 15
Boiler sensor return sensor
Tab12 Boiler sensor return sensorTemperature in degC
-20 -10 0 10 20 25 30 40 50 60 70 80 90 100 110
Resistance in Ω
98932 58879 36129 22804 14773 10000 9804 6652 4607 3252 2337 1707 1266 952 726
Circuit flow sensor domestic hot water sensor and system sensor
Tab13 Circuit flow sensor domestic hot water sensor and system sensorTemperature in degC 0 10 20 25 30 40 50 60 70 80 90Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941
Specifications of the boiler flue gas sensor
Tab14 Boiler flue gas sensorTemperature degC 0 10 20 30 40 50 60 70 80 90 100Resistance Ohm 66000 40000 20000 16100 10600 7160 4940 3480 2490 1810 1340
33 Dimensions and connections
Fig5
MW-2000684-03
A
D
E
FG
BC
600 605150
92
132
240
141
418
5
2
34
107
105
95
100
1
255145
1 Heating circuit flow (R114)2 Gas inlet (G34)3 Heating circuit return (R114)
4 Condensate discharge (DN22)5 Flue gas pipe
Tab15 Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 1155 Diameter 100150 mm Diameter 100150 mm Diameter 100150 mmA (mm) 1340 1562 1562B (mm) 1164 1386 1386C (mm) 1082 1304 1304D (mm) 971 1193 1193
3 Technical specifications
16 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
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Euro Gas Ltd
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IE T +353 12868244
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Remeha Commercial UK
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Oaklands Park
RG41 2FD Wokingham
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E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
1 Safety
11 General safety instructions
For the installer and end user
DangerThis appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Children shall not play with the appliance Cleaning and user maintenance shall not be made by children without supervision
CautionDo not touch the flue gas pipes Depending on the boiler settings the temperature of the flue gas pipes can rise to over 60degC
CautionDo not touch radiators for long periods Depending on the boiler settings the temperature of the radiators may exceed 60degC
CautionTake precautions with the domestic hot water Depending on the boiler settings the domestic hot water temperature may exceed 65degC
Danger of electric shockBefore any work switch off the mains supply to the boiler
For the installer
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 5
DangerIf you smell gas1 Do not use a naked flame do not smoke do
not operate electrical contacts or switches (doorbell light motor lift etc)
2 Shut off the gas supply3 Open the windows4 Locate the probable leak and seal it
immediately5 If the leak is before the gas meter contact the
gas supplier
DangerIf you smell flue gases1 Switch off the appliance2 Open the windows3 Locate the probable source of the flue gas
leak and fix it immediately
WarningThe condensation drain must not be changed or sealed If a condensate neutralisation system is used the system must be cleaned regularly in accordance with the instructions provided by the manufacturer
For the end user
DangerIf you smell gas1 Do not use a naked flame do not smoke do
not operate electrical contacts or switches (doorbell light motor lift etc)
2 Shut off the gas supply3 Open the windows4 Evacuate the property5 Contact a qualified professional
DangerIf you smell flue gases1 Switch off the appliance2 Open the windows3 Evacuate the property4 Contact a qualified professional
1 Safety
6 Gas 120 ACE 7717202 - v03 - 24062019
12 Recommendations
DangerFor safety reasons we recommend fitting smoke and CO2 detectors and alarms at suitable places in your home
CautionThe boiler must always be connected to the protective earthingEarthing must comply with the prevailing installation standardsEarth the appliance before making any electrical connections
For the type and calibre of the protective equipment refer to the chapter Electrical Connections in the Installation and Service Manual
CautionIf a power cord comes with the appliance and it turns out to be damaged it must be replaced by the manufacturer its after sales service or persons with similar qualifications in order to obviate any danger
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionPower the appliance via a circuit that includes an omni-polar switch with contact opening distance of 3 mm or more
CautionDrain the boiler and heating system if the home is left empty for a long period of time and there is a chance of frost
CautionRemove the boiler casing only to perform maintenance and repair work Always put the casing back in place after such work
CautionTo enjoy warranty cover no modifications must be made to the boiler
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 7
CautionThe frost protection function only protects the boiler not the heating system
CautionThe frost protection function does not work if the boiler is powered off
CautionThe appliance should be switched to Summer or Frost Protection mode rather than be switched off in order to guarantee the following functions
Avoidance of pumps blockingFrost Protection
ImportantRespect the minimum and maximum water inlet pressure to ensure correct operation of the boiler refer to the chapter Technical Specifications
ImportantOnly qualified professionals are permitted to install the boiler in accordance with prevailing local and national regulations
ImportantNever remove or cover labels and data plates affixed to the boilerLabels and data plates must be legible throughout the entire lifetime of the boiler Immediately replace damaged or illegible instructions and warning labels
ImportantKeep this document close to the place where the appliance is installed
13 Liabilities
131 Manufacturers liability
Our products are manufactured in compliance with the requirements of the various Directives applicable They are therefore delivered with the marking and any documents necessary In the interests of the quality of our products we strive constantly to improve them We therefore reserve the right to modify the specifications given in this documentOur liability as manufacturer may not be invoked in the following cases
1 Safety
8 Gas 120 ACE 7717202 - v03 - 24062019
Failure to abide by the instructions on installing and maintaining the applianceFailure to abide by the instructions on using the applianceFaulty or insufficient maintenance of the appliance
132 Installers liability
The installer is responsible for the installation and initial commissioning of the appliance The installer must observe the following instructions
Read and follow the instructions given in the manuals provided with the applianceInstall the appliance in compliance with prevailing legislation and standardsCarry out initial commissioning and any checks necessaryExplain the installation to the userIf maintenance is necessary warn the user of the obligation to check the appliance and keep it in good working orderGive all the instruction manuals to the user
133 Users liability
To guarantee optimum operation of the system you must abide by the following instructions
Read and follow the instructions given in the manuals provided with the applianceCall on a qualified professional to carry out installation and initial commissioningGet your installer to explain your installation to youHave the required inspections and maintenance carried out by a qualified installerKeep the instruction manuals in good condition close to the appliance
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 9
2 Symbols used
21 Symbols used in the manual
This manual uses various danger levels to draw attention to special instructions We do this to improve user safety to prevent problems and to guarantee correct operation of the appliance
DangerRisk of dangerous situations that may result in serious personal injury
Danger of electric shockRisk of electric shock
WarningRisk of dangerous situations that may result in minor personal injury
CautionRisk of material damage
ImportantPlease note important information
SeeReference to other manuals or pages in this manual
22 Symbols used on the appliance
1 Alternating current2 Protective earthing3 Before installing and commissioning the appliance carefully read
the instruction manuals provided4 Dispose of used products through an appropriate recovery and
recycling structure5 Caution danger of electric shock live parts Disconnect the mains
power prior to carrying out any work
Fig1
1 2
MW-2000068-1
1
2
3
4
5
2 Symbols used
10 Gas 120 ACE 7717202 - v03 - 24062019
3 Technical specifications
31 Homologations
311 Directives
This product has been manufactured and put into circulation in accordance with the requirements and standards of the following European Directives
Gas Appliances Regulation (EU) (2016426)
Pressure Equipment Directive 201468EU
Electromagnetic Compatibility Directive (201430EU)
Low Voltage Directive (201435EU)
Efficiency Directive (9242EEC)
European Ecodesign Directive (2009125EC)EU Regulation (8132013)
Energy Labelling Framework Regulation (EU) (20171369)EU Regulation (8112013)
BS 7074 Part 1 Application selection and installation of expansion vessels and ancillary equipment for sealed water systemsBS 6644 Specification for the installation of gas-fired condensing boilers with a nominal output exceeding 70 kWBS EN 12828 Design for water-based heating systemsBS EN 13831 Closed expansion vessels
Apart from the legal provisions and Directives the additional Directives described in these instructions must also be observedFor all provisions and Directives referred to in these instructions it is agreed that all addenda or subsequent provisions will apply at the time of installation
312 EC Declaration of Conformity
The unit complies with the standard type described in the EC declaration of conformity It has been manufactured and commissioned in accordance with European directivesThe original declaration of conformity is available from the manufacturer
313 Gas categories
Tab1 Czech Republic Spain Greece Portugal Switzerland UK
Category Gas type Connection pressure (mbar) Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
II2H3BP G20 (H gas) 20 X X X G30G31 (butanepropane) 303750 X X X
314 Certifications
Tab2 CertificationsCE number 0085CT0009NOx class 6 (EN 15502-1)
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 11
Type of flue gas connection Chimney
B23B23PB33
Forced flue
C13C13XC33C33XC43C43XC53C63C63XC83C83XC93C93X
315 Factory test
Before leaving the factory each boiler is optimally set and tested for
Electrical safetySettings (CO2)Water tightnessGas tightnessParameter setting
32 Technical data
Tab3 GeneralGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Nominal heat output (Pn)Central heating operation (80 degC60 degC)
minndashmax kW 120 - 615 141 - 842 189 - 1039
Nominal heat output (Pn)Central heating operation (50 degC30 degC)
minndashmax kW 135 - 650 158 - 895 212 - 1097
Nominal input power (Qn)Heating mode (Hi)
minndashmax kW 122 - 620 146 - 860 196 - 1070
Nominal input power (Qn)Heating operation (Hi) G31 (propane)
minndashmax kW 122 - 620 221 - 860 212 - 1070
Nominal input power (Qn)Central heating operation (Hs)
minndashmax kW 137 - 689 162 - 955 217 - 1189
Full load heating mode efficiency (Hi) (8060 degC) (9242EEC)
992 979 971
Full load heating mode efficiency (Hi) (50 degC30 degC)
1046 1041 1025
Part load heating mode efficiency (9242EEC) (return temperature 30 degC)
1104 1081 108
Tab4 Gas and flue gas valuesGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115G20 gas consumption (H gas)(1) minndashmax m3h 13 - 66 15 - 91 20 - 117Gas consumption G31 (propane)(1)
minndashmax m3h 05 - 25 09 - 35 09 - 45
3 Technical specifications
12 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
Gas resistance G20 (H gas)(2) max mbar 20 25 30BREAM NOx mgkWh 32 29 35Flue gas quantity minndashmax m3h 18 - 90 22 - 125 30 - 160Flue gas temperature minndashmax degC 30 - 120 30 - 120 30 - 120Maximum counter pressure (Pn) Pa 100 160 220
(1) Gas consumption based on lower heating value in standardised conditions T=28815 K p=101325 mbar Gag 3033 G25 2925 G31 8800 MJm3
(2) Gas resistance between boiler connection and measurement point on the gas valve unit
Tab5Gas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Gas inlet pressure G20 (H gas) minndashmax mbar 17 - 25 17 - 25 17 - 25G30G31 gas inlet pressure (ButanePropane) minndashmax mbar 37 - 50 37 - 50 37 - 50G31 gas inlet pressure (Propane) minndashmax mbar 37 - 50 37 - 50 37 - 50
Tab6 Central heating circuit dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Water content l 71 101 101Water operating pressure min bar 08 08 08Water operating pressure (MOP) max bar 40 40 40Water temperature max degC 110 110 110Operating temperature max degC 90 90 90Pressure drop secondary circuit (ΔT = 20 K) mWC 17 16 26Maximum permitted temperature difference(1) max degC 40(1) 40(1) 35(1)
(1) with a maximum flow temperature of 80 degC
Tab7 Electrical dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Supply voltage (AC) V 230 230 230Power consumption ndash full load max W 92 124 180Power consumption - low load max W 25 24 344Power consumption ndash standby max W 6 5 9Electrical protection rating IP X1B X1B X1BFuses Main A 10 10 10
Tab8 Other dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Total weight (empty) kg 98 109 109Average acoustic level at a distance of one meshytre from the boiler
dB(A) 40 45 45
SeeThe back cover for contact details
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 13
321 ErP technical parameters
Tab9 Technical parameters for boiler space heatersProduct name Gas 120 ACE
- 65Gas 120 ACE - 90
Gas 120 ACE - 115
Condensing boiler Yes Yes YesLow-temperature boiler(1) No No NoB1 boiler No No NoCogeneration space heater No No NoCombination heater No No NoRated heat output Prated kW 62 84 104
Useful heat output at rated heat output and high temperature regime(2)
P4 kW 615 842 1039
Useful heat output at 30 of rated heat output and low temperature regime(1)
P1 kW 205 279 347
Seasonal space heating energy efficiency ƞs 94 - -Useful efficiency at rated heat output and high temperature regime(2)
ƞ4 894 882 875
Useful efficiency at 30 of rated heat output and low temperature regime(1)
ƞ1 995 974 973
Auxiliary electricity consumption Full load elmax kW 0092 0124 0180Part load elmin kW 0025 0024 0034Stand-by PSB kW 0006 0005 0009
Other specifications Standby heat loss Pstby kW 0114 0119 0119Ignition burner power consumption Pign kW - - -Annual energy consumption QHE GJ 190 - -Sound power level indoors LWA dB 55 61 60Emissions of nitrogen oxides NOx mgkWh 29 41 41(1) Low temperature means for condensing boilers 30degC for low temperature boilers 37degC and for other heaters 50degC return temperature
(at heater inlet)(2) High temperature regime means 60 degC return temperature at heater inlet and 80 degC feed temperature at heater outlet
SeeThe back cover for contact details
322 Circulating pump (not provided)
The boiler is supplied without a circulating pump Take the boiler pressure drop and system pressure drop into account when selecting a pump
CautionThe maximum output of a pump that can be connected is 200 W Above this use an auxiliary relay adapted to the pump output
If possible install the pump in direct connection to the boiler on the return circuit
For more information see
Circulating pump
The maximum difference in temperature between the flow water and the return water and the speed at which the boiler temperature increases are restricted by the boilers control system
3 Technical specifications
14 Gas 120 ACE 7717202 - v03 - 24062019
Tab10 Minimum flow to be guaranteedMinimum flow to be guaranteed in the boiler Unit Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Minimum flow rate litreshour 290 340 455
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
323 Sensor specifications
Outside temperature sensor specifications
Tab11 Outside temperature sensorTemperature degC -20 -16 -12 -8 -4 0 4 8 12 16 20 24Resistance Ω
(Ohm)2392 2088 1811 1562 1342 1149 984 842 720 616 528 454
Fig2 Pressure drops for Gas 120 ACE - 65
MW-2000671-3
T=20KT=40K
175
Fig3 Pressure drops for Gas 120 ACE - 90
MW-2000673-3
T=20KT=40K
362
Fig4 Pressure drops for Gas 120 ACE - 115
MW-2000674-3
T=20KT=35K
447
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 15
Boiler sensor return sensor
Tab12 Boiler sensor return sensorTemperature in degC
-20 -10 0 10 20 25 30 40 50 60 70 80 90 100 110
Resistance in Ω
98932 58879 36129 22804 14773 10000 9804 6652 4607 3252 2337 1707 1266 952 726
Circuit flow sensor domestic hot water sensor and system sensor
Tab13 Circuit flow sensor domestic hot water sensor and system sensorTemperature in degC 0 10 20 25 30 40 50 60 70 80 90Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941
Specifications of the boiler flue gas sensor
Tab14 Boiler flue gas sensorTemperature degC 0 10 20 30 40 50 60 70 80 90 100Resistance Ohm 66000 40000 20000 16100 10600 7160 4940 3480 2490 1810 1340
33 Dimensions and connections
Fig5
MW-2000684-03
A
D
E
FG
BC
600 605150
92
132
240
141
418
5
2
34
107
105
95
100
1
255145
1 Heating circuit flow (R114)2 Gas inlet (G34)3 Heating circuit return (R114)
4 Condensate discharge (DN22)5 Flue gas pipe
Tab15 Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 1155 Diameter 100150 mm Diameter 100150 mm Diameter 100150 mmA (mm) 1340 1562 1562B (mm) 1164 1386 1386C (mm) 1082 1304 1304D (mm) 971 1193 1193
3 Technical specifications
16 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
DangerIf you smell gas1 Do not use a naked flame do not smoke do
not operate electrical contacts or switches (doorbell light motor lift etc)
2 Shut off the gas supply3 Open the windows4 Locate the probable leak and seal it
immediately5 If the leak is before the gas meter contact the
gas supplier
DangerIf you smell flue gases1 Switch off the appliance2 Open the windows3 Locate the probable source of the flue gas
leak and fix it immediately
WarningThe condensation drain must not be changed or sealed If a condensate neutralisation system is used the system must be cleaned regularly in accordance with the instructions provided by the manufacturer
For the end user
DangerIf you smell gas1 Do not use a naked flame do not smoke do
not operate electrical contacts or switches (doorbell light motor lift etc)
2 Shut off the gas supply3 Open the windows4 Evacuate the property5 Contact a qualified professional
DangerIf you smell flue gases1 Switch off the appliance2 Open the windows3 Evacuate the property4 Contact a qualified professional
1 Safety
6 Gas 120 ACE 7717202 - v03 - 24062019
12 Recommendations
DangerFor safety reasons we recommend fitting smoke and CO2 detectors and alarms at suitable places in your home
CautionThe boiler must always be connected to the protective earthingEarthing must comply with the prevailing installation standardsEarth the appliance before making any electrical connections
For the type and calibre of the protective equipment refer to the chapter Electrical Connections in the Installation and Service Manual
CautionIf a power cord comes with the appliance and it turns out to be damaged it must be replaced by the manufacturer its after sales service or persons with similar qualifications in order to obviate any danger
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionPower the appliance via a circuit that includes an omni-polar switch with contact opening distance of 3 mm or more
CautionDrain the boiler and heating system if the home is left empty for a long period of time and there is a chance of frost
CautionRemove the boiler casing only to perform maintenance and repair work Always put the casing back in place after such work
CautionTo enjoy warranty cover no modifications must be made to the boiler
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 7
CautionThe frost protection function only protects the boiler not the heating system
CautionThe frost protection function does not work if the boiler is powered off
CautionThe appliance should be switched to Summer or Frost Protection mode rather than be switched off in order to guarantee the following functions
Avoidance of pumps blockingFrost Protection
ImportantRespect the minimum and maximum water inlet pressure to ensure correct operation of the boiler refer to the chapter Technical Specifications
ImportantOnly qualified professionals are permitted to install the boiler in accordance with prevailing local and national regulations
ImportantNever remove or cover labels and data plates affixed to the boilerLabels and data plates must be legible throughout the entire lifetime of the boiler Immediately replace damaged or illegible instructions and warning labels
ImportantKeep this document close to the place where the appliance is installed
13 Liabilities
131 Manufacturers liability
Our products are manufactured in compliance with the requirements of the various Directives applicable They are therefore delivered with the marking and any documents necessary In the interests of the quality of our products we strive constantly to improve them We therefore reserve the right to modify the specifications given in this documentOur liability as manufacturer may not be invoked in the following cases
1 Safety
8 Gas 120 ACE 7717202 - v03 - 24062019
Failure to abide by the instructions on installing and maintaining the applianceFailure to abide by the instructions on using the applianceFaulty or insufficient maintenance of the appliance
132 Installers liability
The installer is responsible for the installation and initial commissioning of the appliance The installer must observe the following instructions
Read and follow the instructions given in the manuals provided with the applianceInstall the appliance in compliance with prevailing legislation and standardsCarry out initial commissioning and any checks necessaryExplain the installation to the userIf maintenance is necessary warn the user of the obligation to check the appliance and keep it in good working orderGive all the instruction manuals to the user
133 Users liability
To guarantee optimum operation of the system you must abide by the following instructions
Read and follow the instructions given in the manuals provided with the applianceCall on a qualified professional to carry out installation and initial commissioningGet your installer to explain your installation to youHave the required inspections and maintenance carried out by a qualified installerKeep the instruction manuals in good condition close to the appliance
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 9
2 Symbols used
21 Symbols used in the manual
This manual uses various danger levels to draw attention to special instructions We do this to improve user safety to prevent problems and to guarantee correct operation of the appliance
DangerRisk of dangerous situations that may result in serious personal injury
Danger of electric shockRisk of electric shock
WarningRisk of dangerous situations that may result in minor personal injury
CautionRisk of material damage
ImportantPlease note important information
SeeReference to other manuals or pages in this manual
22 Symbols used on the appliance
1 Alternating current2 Protective earthing3 Before installing and commissioning the appliance carefully read
the instruction manuals provided4 Dispose of used products through an appropriate recovery and
recycling structure5 Caution danger of electric shock live parts Disconnect the mains
power prior to carrying out any work
Fig1
1 2
MW-2000068-1
1
2
3
4
5
2 Symbols used
10 Gas 120 ACE 7717202 - v03 - 24062019
3 Technical specifications
31 Homologations
311 Directives
This product has been manufactured and put into circulation in accordance with the requirements and standards of the following European Directives
Gas Appliances Regulation (EU) (2016426)
Pressure Equipment Directive 201468EU
Electromagnetic Compatibility Directive (201430EU)
Low Voltage Directive (201435EU)
Efficiency Directive (9242EEC)
European Ecodesign Directive (2009125EC)EU Regulation (8132013)
Energy Labelling Framework Regulation (EU) (20171369)EU Regulation (8112013)
BS 7074 Part 1 Application selection and installation of expansion vessels and ancillary equipment for sealed water systemsBS 6644 Specification for the installation of gas-fired condensing boilers with a nominal output exceeding 70 kWBS EN 12828 Design for water-based heating systemsBS EN 13831 Closed expansion vessels
Apart from the legal provisions and Directives the additional Directives described in these instructions must also be observedFor all provisions and Directives referred to in these instructions it is agreed that all addenda or subsequent provisions will apply at the time of installation
312 EC Declaration of Conformity
The unit complies with the standard type described in the EC declaration of conformity It has been manufactured and commissioned in accordance with European directivesThe original declaration of conformity is available from the manufacturer
313 Gas categories
Tab1 Czech Republic Spain Greece Portugal Switzerland UK
Category Gas type Connection pressure (mbar) Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
II2H3BP G20 (H gas) 20 X X X G30G31 (butanepropane) 303750 X X X
314 Certifications
Tab2 CertificationsCE number 0085CT0009NOx class 6 (EN 15502-1)
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 11
Type of flue gas connection Chimney
B23B23PB33
Forced flue
C13C13XC33C33XC43C43XC53C63C63XC83C83XC93C93X
315 Factory test
Before leaving the factory each boiler is optimally set and tested for
Electrical safetySettings (CO2)Water tightnessGas tightnessParameter setting
32 Technical data
Tab3 GeneralGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Nominal heat output (Pn)Central heating operation (80 degC60 degC)
minndashmax kW 120 - 615 141 - 842 189 - 1039
Nominal heat output (Pn)Central heating operation (50 degC30 degC)
minndashmax kW 135 - 650 158 - 895 212 - 1097
Nominal input power (Qn)Heating mode (Hi)
minndashmax kW 122 - 620 146 - 860 196 - 1070
Nominal input power (Qn)Heating operation (Hi) G31 (propane)
minndashmax kW 122 - 620 221 - 860 212 - 1070
Nominal input power (Qn)Central heating operation (Hs)
minndashmax kW 137 - 689 162 - 955 217 - 1189
Full load heating mode efficiency (Hi) (8060 degC) (9242EEC)
992 979 971
Full load heating mode efficiency (Hi) (50 degC30 degC)
1046 1041 1025
Part load heating mode efficiency (9242EEC) (return temperature 30 degC)
1104 1081 108
Tab4 Gas and flue gas valuesGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115G20 gas consumption (H gas)(1) minndashmax m3h 13 - 66 15 - 91 20 - 117Gas consumption G31 (propane)(1)
minndashmax m3h 05 - 25 09 - 35 09 - 45
3 Technical specifications
12 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
Gas resistance G20 (H gas)(2) max mbar 20 25 30BREAM NOx mgkWh 32 29 35Flue gas quantity minndashmax m3h 18 - 90 22 - 125 30 - 160Flue gas temperature minndashmax degC 30 - 120 30 - 120 30 - 120Maximum counter pressure (Pn) Pa 100 160 220
(1) Gas consumption based on lower heating value in standardised conditions T=28815 K p=101325 mbar Gag 3033 G25 2925 G31 8800 MJm3
(2) Gas resistance between boiler connection and measurement point on the gas valve unit
Tab5Gas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Gas inlet pressure G20 (H gas) minndashmax mbar 17 - 25 17 - 25 17 - 25G30G31 gas inlet pressure (ButanePropane) minndashmax mbar 37 - 50 37 - 50 37 - 50G31 gas inlet pressure (Propane) minndashmax mbar 37 - 50 37 - 50 37 - 50
Tab6 Central heating circuit dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Water content l 71 101 101Water operating pressure min bar 08 08 08Water operating pressure (MOP) max bar 40 40 40Water temperature max degC 110 110 110Operating temperature max degC 90 90 90Pressure drop secondary circuit (ΔT = 20 K) mWC 17 16 26Maximum permitted temperature difference(1) max degC 40(1) 40(1) 35(1)
(1) with a maximum flow temperature of 80 degC
Tab7 Electrical dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Supply voltage (AC) V 230 230 230Power consumption ndash full load max W 92 124 180Power consumption - low load max W 25 24 344Power consumption ndash standby max W 6 5 9Electrical protection rating IP X1B X1B X1BFuses Main A 10 10 10
Tab8 Other dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Total weight (empty) kg 98 109 109Average acoustic level at a distance of one meshytre from the boiler
dB(A) 40 45 45
SeeThe back cover for contact details
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 13
321 ErP technical parameters
Tab9 Technical parameters for boiler space heatersProduct name Gas 120 ACE
- 65Gas 120 ACE - 90
Gas 120 ACE - 115
Condensing boiler Yes Yes YesLow-temperature boiler(1) No No NoB1 boiler No No NoCogeneration space heater No No NoCombination heater No No NoRated heat output Prated kW 62 84 104
Useful heat output at rated heat output and high temperature regime(2)
P4 kW 615 842 1039
Useful heat output at 30 of rated heat output and low temperature regime(1)
P1 kW 205 279 347
Seasonal space heating energy efficiency ƞs 94 - -Useful efficiency at rated heat output and high temperature regime(2)
ƞ4 894 882 875
Useful efficiency at 30 of rated heat output and low temperature regime(1)
ƞ1 995 974 973
Auxiliary electricity consumption Full load elmax kW 0092 0124 0180Part load elmin kW 0025 0024 0034Stand-by PSB kW 0006 0005 0009
Other specifications Standby heat loss Pstby kW 0114 0119 0119Ignition burner power consumption Pign kW - - -Annual energy consumption QHE GJ 190 - -Sound power level indoors LWA dB 55 61 60Emissions of nitrogen oxides NOx mgkWh 29 41 41(1) Low temperature means for condensing boilers 30degC for low temperature boilers 37degC and for other heaters 50degC return temperature
(at heater inlet)(2) High temperature regime means 60 degC return temperature at heater inlet and 80 degC feed temperature at heater outlet
SeeThe back cover for contact details
322 Circulating pump (not provided)
The boiler is supplied without a circulating pump Take the boiler pressure drop and system pressure drop into account when selecting a pump
CautionThe maximum output of a pump that can be connected is 200 W Above this use an auxiliary relay adapted to the pump output
If possible install the pump in direct connection to the boiler on the return circuit
For more information see
Circulating pump
The maximum difference in temperature between the flow water and the return water and the speed at which the boiler temperature increases are restricted by the boilers control system
3 Technical specifications
14 Gas 120 ACE 7717202 - v03 - 24062019
Tab10 Minimum flow to be guaranteedMinimum flow to be guaranteed in the boiler Unit Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Minimum flow rate litreshour 290 340 455
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
323 Sensor specifications
Outside temperature sensor specifications
Tab11 Outside temperature sensorTemperature degC -20 -16 -12 -8 -4 0 4 8 12 16 20 24Resistance Ω
(Ohm)2392 2088 1811 1562 1342 1149 984 842 720 616 528 454
Fig2 Pressure drops for Gas 120 ACE - 65
MW-2000671-3
T=20KT=40K
175
Fig3 Pressure drops for Gas 120 ACE - 90
MW-2000673-3
T=20KT=40K
362
Fig4 Pressure drops for Gas 120 ACE - 115
MW-2000674-3
T=20KT=35K
447
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 15
Boiler sensor return sensor
Tab12 Boiler sensor return sensorTemperature in degC
-20 -10 0 10 20 25 30 40 50 60 70 80 90 100 110
Resistance in Ω
98932 58879 36129 22804 14773 10000 9804 6652 4607 3252 2337 1707 1266 952 726
Circuit flow sensor domestic hot water sensor and system sensor
Tab13 Circuit flow sensor domestic hot water sensor and system sensorTemperature in degC 0 10 20 25 30 40 50 60 70 80 90Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941
Specifications of the boiler flue gas sensor
Tab14 Boiler flue gas sensorTemperature degC 0 10 20 30 40 50 60 70 80 90 100Resistance Ohm 66000 40000 20000 16100 10600 7160 4940 3480 2490 1810 1340
33 Dimensions and connections
Fig5
MW-2000684-03
A
D
E
FG
BC
600 605150
92
132
240
141
418
5
2
34
107
105
95
100
1
255145
1 Heating circuit flow (R114)2 Gas inlet (G34)3 Heating circuit return (R114)
4 Condensate discharge (DN22)5 Flue gas pipe
Tab15 Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 1155 Diameter 100150 mm Diameter 100150 mm Diameter 100150 mmA (mm) 1340 1562 1562B (mm) 1164 1386 1386C (mm) 1082 1304 1304D (mm) 971 1193 1193
3 Technical specifications
16 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
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F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
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F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
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Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
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Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
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EST Systems Oy
Kujamatintie 16
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E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
12 Recommendations
DangerFor safety reasons we recommend fitting smoke and CO2 detectors and alarms at suitable places in your home
CautionThe boiler must always be connected to the protective earthingEarthing must comply with the prevailing installation standardsEarth the appliance before making any electrical connections
For the type and calibre of the protective equipment refer to the chapter Electrical Connections in the Installation and Service Manual
CautionIf a power cord comes with the appliance and it turns out to be damaged it must be replaced by the manufacturer its after sales service or persons with similar qualifications in order to obviate any danger
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionPower the appliance via a circuit that includes an omni-polar switch with contact opening distance of 3 mm or more
CautionDrain the boiler and heating system if the home is left empty for a long period of time and there is a chance of frost
CautionRemove the boiler casing only to perform maintenance and repair work Always put the casing back in place after such work
CautionTo enjoy warranty cover no modifications must be made to the boiler
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 7
CautionThe frost protection function only protects the boiler not the heating system
CautionThe frost protection function does not work if the boiler is powered off
CautionThe appliance should be switched to Summer or Frost Protection mode rather than be switched off in order to guarantee the following functions
Avoidance of pumps blockingFrost Protection
ImportantRespect the minimum and maximum water inlet pressure to ensure correct operation of the boiler refer to the chapter Technical Specifications
ImportantOnly qualified professionals are permitted to install the boiler in accordance with prevailing local and national regulations
ImportantNever remove or cover labels and data plates affixed to the boilerLabels and data plates must be legible throughout the entire lifetime of the boiler Immediately replace damaged or illegible instructions and warning labels
ImportantKeep this document close to the place where the appliance is installed
13 Liabilities
131 Manufacturers liability
Our products are manufactured in compliance with the requirements of the various Directives applicable They are therefore delivered with the marking and any documents necessary In the interests of the quality of our products we strive constantly to improve them We therefore reserve the right to modify the specifications given in this documentOur liability as manufacturer may not be invoked in the following cases
1 Safety
8 Gas 120 ACE 7717202 - v03 - 24062019
Failure to abide by the instructions on installing and maintaining the applianceFailure to abide by the instructions on using the applianceFaulty or insufficient maintenance of the appliance
132 Installers liability
The installer is responsible for the installation and initial commissioning of the appliance The installer must observe the following instructions
Read and follow the instructions given in the manuals provided with the applianceInstall the appliance in compliance with prevailing legislation and standardsCarry out initial commissioning and any checks necessaryExplain the installation to the userIf maintenance is necessary warn the user of the obligation to check the appliance and keep it in good working orderGive all the instruction manuals to the user
133 Users liability
To guarantee optimum operation of the system you must abide by the following instructions
Read and follow the instructions given in the manuals provided with the applianceCall on a qualified professional to carry out installation and initial commissioningGet your installer to explain your installation to youHave the required inspections and maintenance carried out by a qualified installerKeep the instruction manuals in good condition close to the appliance
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 9
2 Symbols used
21 Symbols used in the manual
This manual uses various danger levels to draw attention to special instructions We do this to improve user safety to prevent problems and to guarantee correct operation of the appliance
DangerRisk of dangerous situations that may result in serious personal injury
Danger of electric shockRisk of electric shock
WarningRisk of dangerous situations that may result in minor personal injury
CautionRisk of material damage
ImportantPlease note important information
SeeReference to other manuals or pages in this manual
22 Symbols used on the appliance
1 Alternating current2 Protective earthing3 Before installing and commissioning the appliance carefully read
the instruction manuals provided4 Dispose of used products through an appropriate recovery and
recycling structure5 Caution danger of electric shock live parts Disconnect the mains
power prior to carrying out any work
Fig1
1 2
MW-2000068-1
1
2
3
4
5
2 Symbols used
10 Gas 120 ACE 7717202 - v03 - 24062019
3 Technical specifications
31 Homologations
311 Directives
This product has been manufactured and put into circulation in accordance with the requirements and standards of the following European Directives
Gas Appliances Regulation (EU) (2016426)
Pressure Equipment Directive 201468EU
Electromagnetic Compatibility Directive (201430EU)
Low Voltage Directive (201435EU)
Efficiency Directive (9242EEC)
European Ecodesign Directive (2009125EC)EU Regulation (8132013)
Energy Labelling Framework Regulation (EU) (20171369)EU Regulation (8112013)
BS 7074 Part 1 Application selection and installation of expansion vessels and ancillary equipment for sealed water systemsBS 6644 Specification for the installation of gas-fired condensing boilers with a nominal output exceeding 70 kWBS EN 12828 Design for water-based heating systemsBS EN 13831 Closed expansion vessels
Apart from the legal provisions and Directives the additional Directives described in these instructions must also be observedFor all provisions and Directives referred to in these instructions it is agreed that all addenda or subsequent provisions will apply at the time of installation
312 EC Declaration of Conformity
The unit complies with the standard type described in the EC declaration of conformity It has been manufactured and commissioned in accordance with European directivesThe original declaration of conformity is available from the manufacturer
313 Gas categories
Tab1 Czech Republic Spain Greece Portugal Switzerland UK
Category Gas type Connection pressure (mbar) Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
II2H3BP G20 (H gas) 20 X X X G30G31 (butanepropane) 303750 X X X
314 Certifications
Tab2 CertificationsCE number 0085CT0009NOx class 6 (EN 15502-1)
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 11
Type of flue gas connection Chimney
B23B23PB33
Forced flue
C13C13XC33C33XC43C43XC53C63C63XC83C83XC93C93X
315 Factory test
Before leaving the factory each boiler is optimally set and tested for
Electrical safetySettings (CO2)Water tightnessGas tightnessParameter setting
32 Technical data
Tab3 GeneralGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Nominal heat output (Pn)Central heating operation (80 degC60 degC)
minndashmax kW 120 - 615 141 - 842 189 - 1039
Nominal heat output (Pn)Central heating operation (50 degC30 degC)
minndashmax kW 135 - 650 158 - 895 212 - 1097
Nominal input power (Qn)Heating mode (Hi)
minndashmax kW 122 - 620 146 - 860 196 - 1070
Nominal input power (Qn)Heating operation (Hi) G31 (propane)
minndashmax kW 122 - 620 221 - 860 212 - 1070
Nominal input power (Qn)Central heating operation (Hs)
minndashmax kW 137 - 689 162 - 955 217 - 1189
Full load heating mode efficiency (Hi) (8060 degC) (9242EEC)
992 979 971
Full load heating mode efficiency (Hi) (50 degC30 degC)
1046 1041 1025
Part load heating mode efficiency (9242EEC) (return temperature 30 degC)
1104 1081 108
Tab4 Gas and flue gas valuesGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115G20 gas consumption (H gas)(1) minndashmax m3h 13 - 66 15 - 91 20 - 117Gas consumption G31 (propane)(1)
minndashmax m3h 05 - 25 09 - 35 09 - 45
3 Technical specifications
12 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
Gas resistance G20 (H gas)(2) max mbar 20 25 30BREAM NOx mgkWh 32 29 35Flue gas quantity minndashmax m3h 18 - 90 22 - 125 30 - 160Flue gas temperature minndashmax degC 30 - 120 30 - 120 30 - 120Maximum counter pressure (Pn) Pa 100 160 220
(1) Gas consumption based on lower heating value in standardised conditions T=28815 K p=101325 mbar Gag 3033 G25 2925 G31 8800 MJm3
(2) Gas resistance between boiler connection and measurement point on the gas valve unit
Tab5Gas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Gas inlet pressure G20 (H gas) minndashmax mbar 17 - 25 17 - 25 17 - 25G30G31 gas inlet pressure (ButanePropane) minndashmax mbar 37 - 50 37 - 50 37 - 50G31 gas inlet pressure (Propane) minndashmax mbar 37 - 50 37 - 50 37 - 50
Tab6 Central heating circuit dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Water content l 71 101 101Water operating pressure min bar 08 08 08Water operating pressure (MOP) max bar 40 40 40Water temperature max degC 110 110 110Operating temperature max degC 90 90 90Pressure drop secondary circuit (ΔT = 20 K) mWC 17 16 26Maximum permitted temperature difference(1) max degC 40(1) 40(1) 35(1)
(1) with a maximum flow temperature of 80 degC
Tab7 Electrical dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Supply voltage (AC) V 230 230 230Power consumption ndash full load max W 92 124 180Power consumption - low load max W 25 24 344Power consumption ndash standby max W 6 5 9Electrical protection rating IP X1B X1B X1BFuses Main A 10 10 10
Tab8 Other dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Total weight (empty) kg 98 109 109Average acoustic level at a distance of one meshytre from the boiler
dB(A) 40 45 45
SeeThe back cover for contact details
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 13
321 ErP technical parameters
Tab9 Technical parameters for boiler space heatersProduct name Gas 120 ACE
- 65Gas 120 ACE - 90
Gas 120 ACE - 115
Condensing boiler Yes Yes YesLow-temperature boiler(1) No No NoB1 boiler No No NoCogeneration space heater No No NoCombination heater No No NoRated heat output Prated kW 62 84 104
Useful heat output at rated heat output and high temperature regime(2)
P4 kW 615 842 1039
Useful heat output at 30 of rated heat output and low temperature regime(1)
P1 kW 205 279 347
Seasonal space heating energy efficiency ƞs 94 - -Useful efficiency at rated heat output and high temperature regime(2)
ƞ4 894 882 875
Useful efficiency at 30 of rated heat output and low temperature regime(1)
ƞ1 995 974 973
Auxiliary electricity consumption Full load elmax kW 0092 0124 0180Part load elmin kW 0025 0024 0034Stand-by PSB kW 0006 0005 0009
Other specifications Standby heat loss Pstby kW 0114 0119 0119Ignition burner power consumption Pign kW - - -Annual energy consumption QHE GJ 190 - -Sound power level indoors LWA dB 55 61 60Emissions of nitrogen oxides NOx mgkWh 29 41 41(1) Low temperature means for condensing boilers 30degC for low temperature boilers 37degC and for other heaters 50degC return temperature
(at heater inlet)(2) High temperature regime means 60 degC return temperature at heater inlet and 80 degC feed temperature at heater outlet
SeeThe back cover for contact details
322 Circulating pump (not provided)
The boiler is supplied without a circulating pump Take the boiler pressure drop and system pressure drop into account when selecting a pump
CautionThe maximum output of a pump that can be connected is 200 W Above this use an auxiliary relay adapted to the pump output
If possible install the pump in direct connection to the boiler on the return circuit
For more information see
Circulating pump
The maximum difference in temperature between the flow water and the return water and the speed at which the boiler temperature increases are restricted by the boilers control system
3 Technical specifications
14 Gas 120 ACE 7717202 - v03 - 24062019
Tab10 Minimum flow to be guaranteedMinimum flow to be guaranteed in the boiler Unit Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Minimum flow rate litreshour 290 340 455
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
323 Sensor specifications
Outside temperature sensor specifications
Tab11 Outside temperature sensorTemperature degC -20 -16 -12 -8 -4 0 4 8 12 16 20 24Resistance Ω
(Ohm)2392 2088 1811 1562 1342 1149 984 842 720 616 528 454
Fig2 Pressure drops for Gas 120 ACE - 65
MW-2000671-3
T=20KT=40K
175
Fig3 Pressure drops for Gas 120 ACE - 90
MW-2000673-3
T=20KT=40K
362
Fig4 Pressure drops for Gas 120 ACE - 115
MW-2000674-3
T=20KT=35K
447
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 15
Boiler sensor return sensor
Tab12 Boiler sensor return sensorTemperature in degC
-20 -10 0 10 20 25 30 40 50 60 70 80 90 100 110
Resistance in Ω
98932 58879 36129 22804 14773 10000 9804 6652 4607 3252 2337 1707 1266 952 726
Circuit flow sensor domestic hot water sensor and system sensor
Tab13 Circuit flow sensor domestic hot water sensor and system sensorTemperature in degC 0 10 20 25 30 40 50 60 70 80 90Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941
Specifications of the boiler flue gas sensor
Tab14 Boiler flue gas sensorTemperature degC 0 10 20 30 40 50 60 70 80 90 100Resistance Ohm 66000 40000 20000 16100 10600 7160 4940 3480 2490 1810 1340
33 Dimensions and connections
Fig5
MW-2000684-03
A
D
E
FG
BC
600 605150
92
132
240
141
418
5
2
34
107
105
95
100
1
255145
1 Heating circuit flow (R114)2 Gas inlet (G34)3 Heating circuit return (R114)
4 Condensate discharge (DN22)5 Flue gas pipe
Tab15 Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 1155 Diameter 100150 mm Diameter 100150 mm Diameter 100150 mmA (mm) 1340 1562 1562B (mm) 1164 1386 1386C (mm) 1082 1304 1304D (mm) 971 1193 1193
3 Technical specifications
16 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
CautionThe frost protection function only protects the boiler not the heating system
CautionThe frost protection function does not work if the boiler is powered off
CautionThe appliance should be switched to Summer or Frost Protection mode rather than be switched off in order to guarantee the following functions
Avoidance of pumps blockingFrost Protection
ImportantRespect the minimum and maximum water inlet pressure to ensure correct operation of the boiler refer to the chapter Technical Specifications
ImportantOnly qualified professionals are permitted to install the boiler in accordance with prevailing local and national regulations
ImportantNever remove or cover labels and data plates affixed to the boilerLabels and data plates must be legible throughout the entire lifetime of the boiler Immediately replace damaged or illegible instructions and warning labels
ImportantKeep this document close to the place where the appliance is installed
13 Liabilities
131 Manufacturers liability
Our products are manufactured in compliance with the requirements of the various Directives applicable They are therefore delivered with the marking and any documents necessary In the interests of the quality of our products we strive constantly to improve them We therefore reserve the right to modify the specifications given in this documentOur liability as manufacturer may not be invoked in the following cases
1 Safety
8 Gas 120 ACE 7717202 - v03 - 24062019
Failure to abide by the instructions on installing and maintaining the applianceFailure to abide by the instructions on using the applianceFaulty or insufficient maintenance of the appliance
132 Installers liability
The installer is responsible for the installation and initial commissioning of the appliance The installer must observe the following instructions
Read and follow the instructions given in the manuals provided with the applianceInstall the appliance in compliance with prevailing legislation and standardsCarry out initial commissioning and any checks necessaryExplain the installation to the userIf maintenance is necessary warn the user of the obligation to check the appliance and keep it in good working orderGive all the instruction manuals to the user
133 Users liability
To guarantee optimum operation of the system you must abide by the following instructions
Read and follow the instructions given in the manuals provided with the applianceCall on a qualified professional to carry out installation and initial commissioningGet your installer to explain your installation to youHave the required inspections and maintenance carried out by a qualified installerKeep the instruction manuals in good condition close to the appliance
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 9
2 Symbols used
21 Symbols used in the manual
This manual uses various danger levels to draw attention to special instructions We do this to improve user safety to prevent problems and to guarantee correct operation of the appliance
DangerRisk of dangerous situations that may result in serious personal injury
Danger of electric shockRisk of electric shock
WarningRisk of dangerous situations that may result in minor personal injury
CautionRisk of material damage
ImportantPlease note important information
SeeReference to other manuals or pages in this manual
22 Symbols used on the appliance
1 Alternating current2 Protective earthing3 Before installing and commissioning the appliance carefully read
the instruction manuals provided4 Dispose of used products through an appropriate recovery and
recycling structure5 Caution danger of electric shock live parts Disconnect the mains
power prior to carrying out any work
Fig1
1 2
MW-2000068-1
1
2
3
4
5
2 Symbols used
10 Gas 120 ACE 7717202 - v03 - 24062019
3 Technical specifications
31 Homologations
311 Directives
This product has been manufactured and put into circulation in accordance with the requirements and standards of the following European Directives
Gas Appliances Regulation (EU) (2016426)
Pressure Equipment Directive 201468EU
Electromagnetic Compatibility Directive (201430EU)
Low Voltage Directive (201435EU)
Efficiency Directive (9242EEC)
European Ecodesign Directive (2009125EC)EU Regulation (8132013)
Energy Labelling Framework Regulation (EU) (20171369)EU Regulation (8112013)
BS 7074 Part 1 Application selection and installation of expansion vessels and ancillary equipment for sealed water systemsBS 6644 Specification for the installation of gas-fired condensing boilers with a nominal output exceeding 70 kWBS EN 12828 Design for water-based heating systemsBS EN 13831 Closed expansion vessels
Apart from the legal provisions and Directives the additional Directives described in these instructions must also be observedFor all provisions and Directives referred to in these instructions it is agreed that all addenda or subsequent provisions will apply at the time of installation
312 EC Declaration of Conformity
The unit complies with the standard type described in the EC declaration of conformity It has been manufactured and commissioned in accordance with European directivesThe original declaration of conformity is available from the manufacturer
313 Gas categories
Tab1 Czech Republic Spain Greece Portugal Switzerland UK
Category Gas type Connection pressure (mbar) Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
II2H3BP G20 (H gas) 20 X X X G30G31 (butanepropane) 303750 X X X
314 Certifications
Tab2 CertificationsCE number 0085CT0009NOx class 6 (EN 15502-1)
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 11
Type of flue gas connection Chimney
B23B23PB33
Forced flue
C13C13XC33C33XC43C43XC53C63C63XC83C83XC93C93X
315 Factory test
Before leaving the factory each boiler is optimally set and tested for
Electrical safetySettings (CO2)Water tightnessGas tightnessParameter setting
32 Technical data
Tab3 GeneralGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Nominal heat output (Pn)Central heating operation (80 degC60 degC)
minndashmax kW 120 - 615 141 - 842 189 - 1039
Nominal heat output (Pn)Central heating operation (50 degC30 degC)
minndashmax kW 135 - 650 158 - 895 212 - 1097
Nominal input power (Qn)Heating mode (Hi)
minndashmax kW 122 - 620 146 - 860 196 - 1070
Nominal input power (Qn)Heating operation (Hi) G31 (propane)
minndashmax kW 122 - 620 221 - 860 212 - 1070
Nominal input power (Qn)Central heating operation (Hs)
minndashmax kW 137 - 689 162 - 955 217 - 1189
Full load heating mode efficiency (Hi) (8060 degC) (9242EEC)
992 979 971
Full load heating mode efficiency (Hi) (50 degC30 degC)
1046 1041 1025
Part load heating mode efficiency (9242EEC) (return temperature 30 degC)
1104 1081 108
Tab4 Gas and flue gas valuesGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115G20 gas consumption (H gas)(1) minndashmax m3h 13 - 66 15 - 91 20 - 117Gas consumption G31 (propane)(1)
minndashmax m3h 05 - 25 09 - 35 09 - 45
3 Technical specifications
12 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
Gas resistance G20 (H gas)(2) max mbar 20 25 30BREAM NOx mgkWh 32 29 35Flue gas quantity minndashmax m3h 18 - 90 22 - 125 30 - 160Flue gas temperature minndashmax degC 30 - 120 30 - 120 30 - 120Maximum counter pressure (Pn) Pa 100 160 220
(1) Gas consumption based on lower heating value in standardised conditions T=28815 K p=101325 mbar Gag 3033 G25 2925 G31 8800 MJm3
(2) Gas resistance between boiler connection and measurement point on the gas valve unit
Tab5Gas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Gas inlet pressure G20 (H gas) minndashmax mbar 17 - 25 17 - 25 17 - 25G30G31 gas inlet pressure (ButanePropane) minndashmax mbar 37 - 50 37 - 50 37 - 50G31 gas inlet pressure (Propane) minndashmax mbar 37 - 50 37 - 50 37 - 50
Tab6 Central heating circuit dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Water content l 71 101 101Water operating pressure min bar 08 08 08Water operating pressure (MOP) max bar 40 40 40Water temperature max degC 110 110 110Operating temperature max degC 90 90 90Pressure drop secondary circuit (ΔT = 20 K) mWC 17 16 26Maximum permitted temperature difference(1) max degC 40(1) 40(1) 35(1)
(1) with a maximum flow temperature of 80 degC
Tab7 Electrical dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Supply voltage (AC) V 230 230 230Power consumption ndash full load max W 92 124 180Power consumption - low load max W 25 24 344Power consumption ndash standby max W 6 5 9Electrical protection rating IP X1B X1B X1BFuses Main A 10 10 10
Tab8 Other dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Total weight (empty) kg 98 109 109Average acoustic level at a distance of one meshytre from the boiler
dB(A) 40 45 45
SeeThe back cover for contact details
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 13
321 ErP technical parameters
Tab9 Technical parameters for boiler space heatersProduct name Gas 120 ACE
- 65Gas 120 ACE - 90
Gas 120 ACE - 115
Condensing boiler Yes Yes YesLow-temperature boiler(1) No No NoB1 boiler No No NoCogeneration space heater No No NoCombination heater No No NoRated heat output Prated kW 62 84 104
Useful heat output at rated heat output and high temperature regime(2)
P4 kW 615 842 1039
Useful heat output at 30 of rated heat output and low temperature regime(1)
P1 kW 205 279 347
Seasonal space heating energy efficiency ƞs 94 - -Useful efficiency at rated heat output and high temperature regime(2)
ƞ4 894 882 875
Useful efficiency at 30 of rated heat output and low temperature regime(1)
ƞ1 995 974 973
Auxiliary electricity consumption Full load elmax kW 0092 0124 0180Part load elmin kW 0025 0024 0034Stand-by PSB kW 0006 0005 0009
Other specifications Standby heat loss Pstby kW 0114 0119 0119Ignition burner power consumption Pign kW - - -Annual energy consumption QHE GJ 190 - -Sound power level indoors LWA dB 55 61 60Emissions of nitrogen oxides NOx mgkWh 29 41 41(1) Low temperature means for condensing boilers 30degC for low temperature boilers 37degC and for other heaters 50degC return temperature
(at heater inlet)(2) High temperature regime means 60 degC return temperature at heater inlet and 80 degC feed temperature at heater outlet
SeeThe back cover for contact details
322 Circulating pump (not provided)
The boiler is supplied without a circulating pump Take the boiler pressure drop and system pressure drop into account when selecting a pump
CautionThe maximum output of a pump that can be connected is 200 W Above this use an auxiliary relay adapted to the pump output
If possible install the pump in direct connection to the boiler on the return circuit
For more information see
Circulating pump
The maximum difference in temperature between the flow water and the return water and the speed at which the boiler temperature increases are restricted by the boilers control system
3 Technical specifications
14 Gas 120 ACE 7717202 - v03 - 24062019
Tab10 Minimum flow to be guaranteedMinimum flow to be guaranteed in the boiler Unit Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Minimum flow rate litreshour 290 340 455
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
323 Sensor specifications
Outside temperature sensor specifications
Tab11 Outside temperature sensorTemperature degC -20 -16 -12 -8 -4 0 4 8 12 16 20 24Resistance Ω
(Ohm)2392 2088 1811 1562 1342 1149 984 842 720 616 528 454
Fig2 Pressure drops for Gas 120 ACE - 65
MW-2000671-3
T=20KT=40K
175
Fig3 Pressure drops for Gas 120 ACE - 90
MW-2000673-3
T=20KT=40K
362
Fig4 Pressure drops for Gas 120 ACE - 115
MW-2000674-3
T=20KT=35K
447
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 15
Boiler sensor return sensor
Tab12 Boiler sensor return sensorTemperature in degC
-20 -10 0 10 20 25 30 40 50 60 70 80 90 100 110
Resistance in Ω
98932 58879 36129 22804 14773 10000 9804 6652 4607 3252 2337 1707 1266 952 726
Circuit flow sensor domestic hot water sensor and system sensor
Tab13 Circuit flow sensor domestic hot water sensor and system sensorTemperature in degC 0 10 20 25 30 40 50 60 70 80 90Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941
Specifications of the boiler flue gas sensor
Tab14 Boiler flue gas sensorTemperature degC 0 10 20 30 40 50 60 70 80 90 100Resistance Ohm 66000 40000 20000 16100 10600 7160 4940 3480 2490 1810 1340
33 Dimensions and connections
Fig5
MW-2000684-03
A
D
E
FG
BC
600 605150
92
132
240
141
418
5
2
34
107
105
95
100
1
255145
1 Heating circuit flow (R114)2 Gas inlet (G34)3 Heating circuit return (R114)
4 Condensate discharge (DN22)5 Flue gas pipe
Tab15 Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 1155 Diameter 100150 mm Diameter 100150 mm Diameter 100150 mmA (mm) 1340 1562 1562B (mm) 1164 1386 1386C (mm) 1082 1304 1304D (mm) 971 1193 1193
3 Technical specifications
16 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Failure to abide by the instructions on installing and maintaining the applianceFailure to abide by the instructions on using the applianceFaulty or insufficient maintenance of the appliance
132 Installers liability
The installer is responsible for the installation and initial commissioning of the appliance The installer must observe the following instructions
Read and follow the instructions given in the manuals provided with the applianceInstall the appliance in compliance with prevailing legislation and standardsCarry out initial commissioning and any checks necessaryExplain the installation to the userIf maintenance is necessary warn the user of the obligation to check the appliance and keep it in good working orderGive all the instruction manuals to the user
133 Users liability
To guarantee optimum operation of the system you must abide by the following instructions
Read and follow the instructions given in the manuals provided with the applianceCall on a qualified professional to carry out installation and initial commissioningGet your installer to explain your installation to youHave the required inspections and maintenance carried out by a qualified installerKeep the instruction manuals in good condition close to the appliance
1 Safety
7717202 - v03 - 24062019 Gas 120 ACE 9
2 Symbols used
21 Symbols used in the manual
This manual uses various danger levels to draw attention to special instructions We do this to improve user safety to prevent problems and to guarantee correct operation of the appliance
DangerRisk of dangerous situations that may result in serious personal injury
Danger of electric shockRisk of electric shock
WarningRisk of dangerous situations that may result in minor personal injury
CautionRisk of material damage
ImportantPlease note important information
SeeReference to other manuals or pages in this manual
22 Symbols used on the appliance
1 Alternating current2 Protective earthing3 Before installing and commissioning the appliance carefully read
the instruction manuals provided4 Dispose of used products through an appropriate recovery and
recycling structure5 Caution danger of electric shock live parts Disconnect the mains
power prior to carrying out any work
Fig1
1 2
MW-2000068-1
1
2
3
4
5
2 Symbols used
10 Gas 120 ACE 7717202 - v03 - 24062019
3 Technical specifications
31 Homologations
311 Directives
This product has been manufactured and put into circulation in accordance with the requirements and standards of the following European Directives
Gas Appliances Regulation (EU) (2016426)
Pressure Equipment Directive 201468EU
Electromagnetic Compatibility Directive (201430EU)
Low Voltage Directive (201435EU)
Efficiency Directive (9242EEC)
European Ecodesign Directive (2009125EC)EU Regulation (8132013)
Energy Labelling Framework Regulation (EU) (20171369)EU Regulation (8112013)
BS 7074 Part 1 Application selection and installation of expansion vessels and ancillary equipment for sealed water systemsBS 6644 Specification for the installation of gas-fired condensing boilers with a nominal output exceeding 70 kWBS EN 12828 Design for water-based heating systemsBS EN 13831 Closed expansion vessels
Apart from the legal provisions and Directives the additional Directives described in these instructions must also be observedFor all provisions and Directives referred to in these instructions it is agreed that all addenda or subsequent provisions will apply at the time of installation
312 EC Declaration of Conformity
The unit complies with the standard type described in the EC declaration of conformity It has been manufactured and commissioned in accordance with European directivesThe original declaration of conformity is available from the manufacturer
313 Gas categories
Tab1 Czech Republic Spain Greece Portugal Switzerland UK
Category Gas type Connection pressure (mbar) Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
II2H3BP G20 (H gas) 20 X X X G30G31 (butanepropane) 303750 X X X
314 Certifications
Tab2 CertificationsCE number 0085CT0009NOx class 6 (EN 15502-1)
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 11
Type of flue gas connection Chimney
B23B23PB33
Forced flue
C13C13XC33C33XC43C43XC53C63C63XC83C83XC93C93X
315 Factory test
Before leaving the factory each boiler is optimally set and tested for
Electrical safetySettings (CO2)Water tightnessGas tightnessParameter setting
32 Technical data
Tab3 GeneralGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Nominal heat output (Pn)Central heating operation (80 degC60 degC)
minndashmax kW 120 - 615 141 - 842 189 - 1039
Nominal heat output (Pn)Central heating operation (50 degC30 degC)
minndashmax kW 135 - 650 158 - 895 212 - 1097
Nominal input power (Qn)Heating mode (Hi)
minndashmax kW 122 - 620 146 - 860 196 - 1070
Nominal input power (Qn)Heating operation (Hi) G31 (propane)
minndashmax kW 122 - 620 221 - 860 212 - 1070
Nominal input power (Qn)Central heating operation (Hs)
minndashmax kW 137 - 689 162 - 955 217 - 1189
Full load heating mode efficiency (Hi) (8060 degC) (9242EEC)
992 979 971
Full load heating mode efficiency (Hi) (50 degC30 degC)
1046 1041 1025
Part load heating mode efficiency (9242EEC) (return temperature 30 degC)
1104 1081 108
Tab4 Gas and flue gas valuesGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115G20 gas consumption (H gas)(1) minndashmax m3h 13 - 66 15 - 91 20 - 117Gas consumption G31 (propane)(1)
minndashmax m3h 05 - 25 09 - 35 09 - 45
3 Technical specifications
12 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
Gas resistance G20 (H gas)(2) max mbar 20 25 30BREAM NOx mgkWh 32 29 35Flue gas quantity minndashmax m3h 18 - 90 22 - 125 30 - 160Flue gas temperature minndashmax degC 30 - 120 30 - 120 30 - 120Maximum counter pressure (Pn) Pa 100 160 220
(1) Gas consumption based on lower heating value in standardised conditions T=28815 K p=101325 mbar Gag 3033 G25 2925 G31 8800 MJm3
(2) Gas resistance between boiler connection and measurement point on the gas valve unit
Tab5Gas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Gas inlet pressure G20 (H gas) minndashmax mbar 17 - 25 17 - 25 17 - 25G30G31 gas inlet pressure (ButanePropane) minndashmax mbar 37 - 50 37 - 50 37 - 50G31 gas inlet pressure (Propane) minndashmax mbar 37 - 50 37 - 50 37 - 50
Tab6 Central heating circuit dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Water content l 71 101 101Water operating pressure min bar 08 08 08Water operating pressure (MOP) max bar 40 40 40Water temperature max degC 110 110 110Operating temperature max degC 90 90 90Pressure drop secondary circuit (ΔT = 20 K) mWC 17 16 26Maximum permitted temperature difference(1) max degC 40(1) 40(1) 35(1)
(1) with a maximum flow temperature of 80 degC
Tab7 Electrical dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Supply voltage (AC) V 230 230 230Power consumption ndash full load max W 92 124 180Power consumption - low load max W 25 24 344Power consumption ndash standby max W 6 5 9Electrical protection rating IP X1B X1B X1BFuses Main A 10 10 10
Tab8 Other dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Total weight (empty) kg 98 109 109Average acoustic level at a distance of one meshytre from the boiler
dB(A) 40 45 45
SeeThe back cover for contact details
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 13
321 ErP technical parameters
Tab9 Technical parameters for boiler space heatersProduct name Gas 120 ACE
- 65Gas 120 ACE - 90
Gas 120 ACE - 115
Condensing boiler Yes Yes YesLow-temperature boiler(1) No No NoB1 boiler No No NoCogeneration space heater No No NoCombination heater No No NoRated heat output Prated kW 62 84 104
Useful heat output at rated heat output and high temperature regime(2)
P4 kW 615 842 1039
Useful heat output at 30 of rated heat output and low temperature regime(1)
P1 kW 205 279 347
Seasonal space heating energy efficiency ƞs 94 - -Useful efficiency at rated heat output and high temperature regime(2)
ƞ4 894 882 875
Useful efficiency at 30 of rated heat output and low temperature regime(1)
ƞ1 995 974 973
Auxiliary electricity consumption Full load elmax kW 0092 0124 0180Part load elmin kW 0025 0024 0034Stand-by PSB kW 0006 0005 0009
Other specifications Standby heat loss Pstby kW 0114 0119 0119Ignition burner power consumption Pign kW - - -Annual energy consumption QHE GJ 190 - -Sound power level indoors LWA dB 55 61 60Emissions of nitrogen oxides NOx mgkWh 29 41 41(1) Low temperature means for condensing boilers 30degC for low temperature boilers 37degC and for other heaters 50degC return temperature
(at heater inlet)(2) High temperature regime means 60 degC return temperature at heater inlet and 80 degC feed temperature at heater outlet
SeeThe back cover for contact details
322 Circulating pump (not provided)
The boiler is supplied without a circulating pump Take the boiler pressure drop and system pressure drop into account when selecting a pump
CautionThe maximum output of a pump that can be connected is 200 W Above this use an auxiliary relay adapted to the pump output
If possible install the pump in direct connection to the boiler on the return circuit
For more information see
Circulating pump
The maximum difference in temperature between the flow water and the return water and the speed at which the boiler temperature increases are restricted by the boilers control system
3 Technical specifications
14 Gas 120 ACE 7717202 - v03 - 24062019
Tab10 Minimum flow to be guaranteedMinimum flow to be guaranteed in the boiler Unit Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Minimum flow rate litreshour 290 340 455
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
323 Sensor specifications
Outside temperature sensor specifications
Tab11 Outside temperature sensorTemperature degC -20 -16 -12 -8 -4 0 4 8 12 16 20 24Resistance Ω
(Ohm)2392 2088 1811 1562 1342 1149 984 842 720 616 528 454
Fig2 Pressure drops for Gas 120 ACE - 65
MW-2000671-3
T=20KT=40K
175
Fig3 Pressure drops for Gas 120 ACE - 90
MW-2000673-3
T=20KT=40K
362
Fig4 Pressure drops for Gas 120 ACE - 115
MW-2000674-3
T=20KT=35K
447
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 15
Boiler sensor return sensor
Tab12 Boiler sensor return sensorTemperature in degC
-20 -10 0 10 20 25 30 40 50 60 70 80 90 100 110
Resistance in Ω
98932 58879 36129 22804 14773 10000 9804 6652 4607 3252 2337 1707 1266 952 726
Circuit flow sensor domestic hot water sensor and system sensor
Tab13 Circuit flow sensor domestic hot water sensor and system sensorTemperature in degC 0 10 20 25 30 40 50 60 70 80 90Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941
Specifications of the boiler flue gas sensor
Tab14 Boiler flue gas sensorTemperature degC 0 10 20 30 40 50 60 70 80 90 100Resistance Ohm 66000 40000 20000 16100 10600 7160 4940 3480 2490 1810 1340
33 Dimensions and connections
Fig5
MW-2000684-03
A
D
E
FG
BC
600 605150
92
132
240
141
418
5
2
34
107
105
95
100
1
255145
1 Heating circuit flow (R114)2 Gas inlet (G34)3 Heating circuit return (R114)
4 Condensate discharge (DN22)5 Flue gas pipe
Tab15 Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 1155 Diameter 100150 mm Diameter 100150 mm Diameter 100150 mmA (mm) 1340 1562 1562B (mm) 1164 1386 1386C (mm) 1082 1304 1304D (mm) 971 1193 1193
3 Technical specifications
16 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
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7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
2 Symbols used
21 Symbols used in the manual
This manual uses various danger levels to draw attention to special instructions We do this to improve user safety to prevent problems and to guarantee correct operation of the appliance
DangerRisk of dangerous situations that may result in serious personal injury
Danger of electric shockRisk of electric shock
WarningRisk of dangerous situations that may result in minor personal injury
CautionRisk of material damage
ImportantPlease note important information
SeeReference to other manuals or pages in this manual
22 Symbols used on the appliance
1 Alternating current2 Protective earthing3 Before installing and commissioning the appliance carefully read
the instruction manuals provided4 Dispose of used products through an appropriate recovery and
recycling structure5 Caution danger of electric shock live parts Disconnect the mains
power prior to carrying out any work
Fig1
1 2
MW-2000068-1
1
2
3
4
5
2 Symbols used
10 Gas 120 ACE 7717202 - v03 - 24062019
3 Technical specifications
31 Homologations
311 Directives
This product has been manufactured and put into circulation in accordance with the requirements and standards of the following European Directives
Gas Appliances Regulation (EU) (2016426)
Pressure Equipment Directive 201468EU
Electromagnetic Compatibility Directive (201430EU)
Low Voltage Directive (201435EU)
Efficiency Directive (9242EEC)
European Ecodesign Directive (2009125EC)EU Regulation (8132013)
Energy Labelling Framework Regulation (EU) (20171369)EU Regulation (8112013)
BS 7074 Part 1 Application selection and installation of expansion vessels and ancillary equipment for sealed water systemsBS 6644 Specification for the installation of gas-fired condensing boilers with a nominal output exceeding 70 kWBS EN 12828 Design for water-based heating systemsBS EN 13831 Closed expansion vessels
Apart from the legal provisions and Directives the additional Directives described in these instructions must also be observedFor all provisions and Directives referred to in these instructions it is agreed that all addenda or subsequent provisions will apply at the time of installation
312 EC Declaration of Conformity
The unit complies with the standard type described in the EC declaration of conformity It has been manufactured and commissioned in accordance with European directivesThe original declaration of conformity is available from the manufacturer
313 Gas categories
Tab1 Czech Republic Spain Greece Portugal Switzerland UK
Category Gas type Connection pressure (mbar) Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
II2H3BP G20 (H gas) 20 X X X G30G31 (butanepropane) 303750 X X X
314 Certifications
Tab2 CertificationsCE number 0085CT0009NOx class 6 (EN 15502-1)
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 11
Type of flue gas connection Chimney
B23B23PB33
Forced flue
C13C13XC33C33XC43C43XC53C63C63XC83C83XC93C93X
315 Factory test
Before leaving the factory each boiler is optimally set and tested for
Electrical safetySettings (CO2)Water tightnessGas tightnessParameter setting
32 Technical data
Tab3 GeneralGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Nominal heat output (Pn)Central heating operation (80 degC60 degC)
minndashmax kW 120 - 615 141 - 842 189 - 1039
Nominal heat output (Pn)Central heating operation (50 degC30 degC)
minndashmax kW 135 - 650 158 - 895 212 - 1097
Nominal input power (Qn)Heating mode (Hi)
minndashmax kW 122 - 620 146 - 860 196 - 1070
Nominal input power (Qn)Heating operation (Hi) G31 (propane)
minndashmax kW 122 - 620 221 - 860 212 - 1070
Nominal input power (Qn)Central heating operation (Hs)
minndashmax kW 137 - 689 162 - 955 217 - 1189
Full load heating mode efficiency (Hi) (8060 degC) (9242EEC)
992 979 971
Full load heating mode efficiency (Hi) (50 degC30 degC)
1046 1041 1025
Part load heating mode efficiency (9242EEC) (return temperature 30 degC)
1104 1081 108
Tab4 Gas and flue gas valuesGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115G20 gas consumption (H gas)(1) minndashmax m3h 13 - 66 15 - 91 20 - 117Gas consumption G31 (propane)(1)
minndashmax m3h 05 - 25 09 - 35 09 - 45
3 Technical specifications
12 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
Gas resistance G20 (H gas)(2) max mbar 20 25 30BREAM NOx mgkWh 32 29 35Flue gas quantity minndashmax m3h 18 - 90 22 - 125 30 - 160Flue gas temperature minndashmax degC 30 - 120 30 - 120 30 - 120Maximum counter pressure (Pn) Pa 100 160 220
(1) Gas consumption based on lower heating value in standardised conditions T=28815 K p=101325 mbar Gag 3033 G25 2925 G31 8800 MJm3
(2) Gas resistance between boiler connection and measurement point on the gas valve unit
Tab5Gas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Gas inlet pressure G20 (H gas) minndashmax mbar 17 - 25 17 - 25 17 - 25G30G31 gas inlet pressure (ButanePropane) minndashmax mbar 37 - 50 37 - 50 37 - 50G31 gas inlet pressure (Propane) minndashmax mbar 37 - 50 37 - 50 37 - 50
Tab6 Central heating circuit dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Water content l 71 101 101Water operating pressure min bar 08 08 08Water operating pressure (MOP) max bar 40 40 40Water temperature max degC 110 110 110Operating temperature max degC 90 90 90Pressure drop secondary circuit (ΔT = 20 K) mWC 17 16 26Maximum permitted temperature difference(1) max degC 40(1) 40(1) 35(1)
(1) with a maximum flow temperature of 80 degC
Tab7 Electrical dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Supply voltage (AC) V 230 230 230Power consumption ndash full load max W 92 124 180Power consumption - low load max W 25 24 344Power consumption ndash standby max W 6 5 9Electrical protection rating IP X1B X1B X1BFuses Main A 10 10 10
Tab8 Other dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Total weight (empty) kg 98 109 109Average acoustic level at a distance of one meshytre from the boiler
dB(A) 40 45 45
SeeThe back cover for contact details
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 13
321 ErP technical parameters
Tab9 Technical parameters for boiler space heatersProduct name Gas 120 ACE
- 65Gas 120 ACE - 90
Gas 120 ACE - 115
Condensing boiler Yes Yes YesLow-temperature boiler(1) No No NoB1 boiler No No NoCogeneration space heater No No NoCombination heater No No NoRated heat output Prated kW 62 84 104
Useful heat output at rated heat output and high temperature regime(2)
P4 kW 615 842 1039
Useful heat output at 30 of rated heat output and low temperature regime(1)
P1 kW 205 279 347
Seasonal space heating energy efficiency ƞs 94 - -Useful efficiency at rated heat output and high temperature regime(2)
ƞ4 894 882 875
Useful efficiency at 30 of rated heat output and low temperature regime(1)
ƞ1 995 974 973
Auxiliary electricity consumption Full load elmax kW 0092 0124 0180Part load elmin kW 0025 0024 0034Stand-by PSB kW 0006 0005 0009
Other specifications Standby heat loss Pstby kW 0114 0119 0119Ignition burner power consumption Pign kW - - -Annual energy consumption QHE GJ 190 - -Sound power level indoors LWA dB 55 61 60Emissions of nitrogen oxides NOx mgkWh 29 41 41(1) Low temperature means for condensing boilers 30degC for low temperature boilers 37degC and for other heaters 50degC return temperature
(at heater inlet)(2) High temperature regime means 60 degC return temperature at heater inlet and 80 degC feed temperature at heater outlet
SeeThe back cover for contact details
322 Circulating pump (not provided)
The boiler is supplied without a circulating pump Take the boiler pressure drop and system pressure drop into account when selecting a pump
CautionThe maximum output of a pump that can be connected is 200 W Above this use an auxiliary relay adapted to the pump output
If possible install the pump in direct connection to the boiler on the return circuit
For more information see
Circulating pump
The maximum difference in temperature between the flow water and the return water and the speed at which the boiler temperature increases are restricted by the boilers control system
3 Technical specifications
14 Gas 120 ACE 7717202 - v03 - 24062019
Tab10 Minimum flow to be guaranteedMinimum flow to be guaranteed in the boiler Unit Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Minimum flow rate litreshour 290 340 455
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
323 Sensor specifications
Outside temperature sensor specifications
Tab11 Outside temperature sensorTemperature degC -20 -16 -12 -8 -4 0 4 8 12 16 20 24Resistance Ω
(Ohm)2392 2088 1811 1562 1342 1149 984 842 720 616 528 454
Fig2 Pressure drops for Gas 120 ACE - 65
MW-2000671-3
T=20KT=40K
175
Fig3 Pressure drops for Gas 120 ACE - 90
MW-2000673-3
T=20KT=40K
362
Fig4 Pressure drops for Gas 120 ACE - 115
MW-2000674-3
T=20KT=35K
447
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 15
Boiler sensor return sensor
Tab12 Boiler sensor return sensorTemperature in degC
-20 -10 0 10 20 25 30 40 50 60 70 80 90 100 110
Resistance in Ω
98932 58879 36129 22804 14773 10000 9804 6652 4607 3252 2337 1707 1266 952 726
Circuit flow sensor domestic hot water sensor and system sensor
Tab13 Circuit flow sensor domestic hot water sensor and system sensorTemperature in degC 0 10 20 25 30 40 50 60 70 80 90Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941
Specifications of the boiler flue gas sensor
Tab14 Boiler flue gas sensorTemperature degC 0 10 20 30 40 50 60 70 80 90 100Resistance Ohm 66000 40000 20000 16100 10600 7160 4940 3480 2490 1810 1340
33 Dimensions and connections
Fig5
MW-2000684-03
A
D
E
FG
BC
600 605150
92
132
240
141
418
5
2
34
107
105
95
100
1
255145
1 Heating circuit flow (R114)2 Gas inlet (G34)3 Heating circuit return (R114)
4 Condensate discharge (DN22)5 Flue gas pipe
Tab15 Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 1155 Diameter 100150 mm Diameter 100150 mm Diameter 100150 mmA (mm) 1340 1562 1562B (mm) 1164 1386 1386C (mm) 1082 1304 1304D (mm) 971 1193 1193
3 Technical specifications
16 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
3 Technical specifications
31 Homologations
311 Directives
This product has been manufactured and put into circulation in accordance with the requirements and standards of the following European Directives
Gas Appliances Regulation (EU) (2016426)
Pressure Equipment Directive 201468EU
Electromagnetic Compatibility Directive (201430EU)
Low Voltage Directive (201435EU)
Efficiency Directive (9242EEC)
European Ecodesign Directive (2009125EC)EU Regulation (8132013)
Energy Labelling Framework Regulation (EU) (20171369)EU Regulation (8112013)
BS 7074 Part 1 Application selection and installation of expansion vessels and ancillary equipment for sealed water systemsBS 6644 Specification for the installation of gas-fired condensing boilers with a nominal output exceeding 70 kWBS EN 12828 Design for water-based heating systemsBS EN 13831 Closed expansion vessels
Apart from the legal provisions and Directives the additional Directives described in these instructions must also be observedFor all provisions and Directives referred to in these instructions it is agreed that all addenda or subsequent provisions will apply at the time of installation
312 EC Declaration of Conformity
The unit complies with the standard type described in the EC declaration of conformity It has been manufactured and commissioned in accordance with European directivesThe original declaration of conformity is available from the manufacturer
313 Gas categories
Tab1 Czech Republic Spain Greece Portugal Switzerland UK
Category Gas type Connection pressure (mbar) Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
II2H3BP G20 (H gas) 20 X X X G30G31 (butanepropane) 303750 X X X
314 Certifications
Tab2 CertificationsCE number 0085CT0009NOx class 6 (EN 15502-1)
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 11
Type of flue gas connection Chimney
B23B23PB33
Forced flue
C13C13XC33C33XC43C43XC53C63C63XC83C83XC93C93X
315 Factory test
Before leaving the factory each boiler is optimally set and tested for
Electrical safetySettings (CO2)Water tightnessGas tightnessParameter setting
32 Technical data
Tab3 GeneralGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Nominal heat output (Pn)Central heating operation (80 degC60 degC)
minndashmax kW 120 - 615 141 - 842 189 - 1039
Nominal heat output (Pn)Central heating operation (50 degC30 degC)
minndashmax kW 135 - 650 158 - 895 212 - 1097
Nominal input power (Qn)Heating mode (Hi)
minndashmax kW 122 - 620 146 - 860 196 - 1070
Nominal input power (Qn)Heating operation (Hi) G31 (propane)
minndashmax kW 122 - 620 221 - 860 212 - 1070
Nominal input power (Qn)Central heating operation (Hs)
minndashmax kW 137 - 689 162 - 955 217 - 1189
Full load heating mode efficiency (Hi) (8060 degC) (9242EEC)
992 979 971
Full load heating mode efficiency (Hi) (50 degC30 degC)
1046 1041 1025
Part load heating mode efficiency (9242EEC) (return temperature 30 degC)
1104 1081 108
Tab4 Gas and flue gas valuesGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115G20 gas consumption (H gas)(1) minndashmax m3h 13 - 66 15 - 91 20 - 117Gas consumption G31 (propane)(1)
minndashmax m3h 05 - 25 09 - 35 09 - 45
3 Technical specifications
12 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
Gas resistance G20 (H gas)(2) max mbar 20 25 30BREAM NOx mgkWh 32 29 35Flue gas quantity minndashmax m3h 18 - 90 22 - 125 30 - 160Flue gas temperature minndashmax degC 30 - 120 30 - 120 30 - 120Maximum counter pressure (Pn) Pa 100 160 220
(1) Gas consumption based on lower heating value in standardised conditions T=28815 K p=101325 mbar Gag 3033 G25 2925 G31 8800 MJm3
(2) Gas resistance between boiler connection and measurement point on the gas valve unit
Tab5Gas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Gas inlet pressure G20 (H gas) minndashmax mbar 17 - 25 17 - 25 17 - 25G30G31 gas inlet pressure (ButanePropane) minndashmax mbar 37 - 50 37 - 50 37 - 50G31 gas inlet pressure (Propane) minndashmax mbar 37 - 50 37 - 50 37 - 50
Tab6 Central heating circuit dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Water content l 71 101 101Water operating pressure min bar 08 08 08Water operating pressure (MOP) max bar 40 40 40Water temperature max degC 110 110 110Operating temperature max degC 90 90 90Pressure drop secondary circuit (ΔT = 20 K) mWC 17 16 26Maximum permitted temperature difference(1) max degC 40(1) 40(1) 35(1)
(1) with a maximum flow temperature of 80 degC
Tab7 Electrical dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Supply voltage (AC) V 230 230 230Power consumption ndash full load max W 92 124 180Power consumption - low load max W 25 24 344Power consumption ndash standby max W 6 5 9Electrical protection rating IP X1B X1B X1BFuses Main A 10 10 10
Tab8 Other dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Total weight (empty) kg 98 109 109Average acoustic level at a distance of one meshytre from the boiler
dB(A) 40 45 45
SeeThe back cover for contact details
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 13
321 ErP technical parameters
Tab9 Technical parameters for boiler space heatersProduct name Gas 120 ACE
- 65Gas 120 ACE - 90
Gas 120 ACE - 115
Condensing boiler Yes Yes YesLow-temperature boiler(1) No No NoB1 boiler No No NoCogeneration space heater No No NoCombination heater No No NoRated heat output Prated kW 62 84 104
Useful heat output at rated heat output and high temperature regime(2)
P4 kW 615 842 1039
Useful heat output at 30 of rated heat output and low temperature regime(1)
P1 kW 205 279 347
Seasonal space heating energy efficiency ƞs 94 - -Useful efficiency at rated heat output and high temperature regime(2)
ƞ4 894 882 875
Useful efficiency at 30 of rated heat output and low temperature regime(1)
ƞ1 995 974 973
Auxiliary electricity consumption Full load elmax kW 0092 0124 0180Part load elmin kW 0025 0024 0034Stand-by PSB kW 0006 0005 0009
Other specifications Standby heat loss Pstby kW 0114 0119 0119Ignition burner power consumption Pign kW - - -Annual energy consumption QHE GJ 190 - -Sound power level indoors LWA dB 55 61 60Emissions of nitrogen oxides NOx mgkWh 29 41 41(1) Low temperature means for condensing boilers 30degC for low temperature boilers 37degC and for other heaters 50degC return temperature
(at heater inlet)(2) High temperature regime means 60 degC return temperature at heater inlet and 80 degC feed temperature at heater outlet
SeeThe back cover for contact details
322 Circulating pump (not provided)
The boiler is supplied without a circulating pump Take the boiler pressure drop and system pressure drop into account when selecting a pump
CautionThe maximum output of a pump that can be connected is 200 W Above this use an auxiliary relay adapted to the pump output
If possible install the pump in direct connection to the boiler on the return circuit
For more information see
Circulating pump
The maximum difference in temperature between the flow water and the return water and the speed at which the boiler temperature increases are restricted by the boilers control system
3 Technical specifications
14 Gas 120 ACE 7717202 - v03 - 24062019
Tab10 Minimum flow to be guaranteedMinimum flow to be guaranteed in the boiler Unit Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Minimum flow rate litreshour 290 340 455
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
323 Sensor specifications
Outside temperature sensor specifications
Tab11 Outside temperature sensorTemperature degC -20 -16 -12 -8 -4 0 4 8 12 16 20 24Resistance Ω
(Ohm)2392 2088 1811 1562 1342 1149 984 842 720 616 528 454
Fig2 Pressure drops for Gas 120 ACE - 65
MW-2000671-3
T=20KT=40K
175
Fig3 Pressure drops for Gas 120 ACE - 90
MW-2000673-3
T=20KT=40K
362
Fig4 Pressure drops for Gas 120 ACE - 115
MW-2000674-3
T=20KT=35K
447
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 15
Boiler sensor return sensor
Tab12 Boiler sensor return sensorTemperature in degC
-20 -10 0 10 20 25 30 40 50 60 70 80 90 100 110
Resistance in Ω
98932 58879 36129 22804 14773 10000 9804 6652 4607 3252 2337 1707 1266 952 726
Circuit flow sensor domestic hot water sensor and system sensor
Tab13 Circuit flow sensor domestic hot water sensor and system sensorTemperature in degC 0 10 20 25 30 40 50 60 70 80 90Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941
Specifications of the boiler flue gas sensor
Tab14 Boiler flue gas sensorTemperature degC 0 10 20 30 40 50 60 70 80 90 100Resistance Ohm 66000 40000 20000 16100 10600 7160 4940 3480 2490 1810 1340
33 Dimensions and connections
Fig5
MW-2000684-03
A
D
E
FG
BC
600 605150
92
132
240
141
418
5
2
34
107
105
95
100
1
255145
1 Heating circuit flow (R114)2 Gas inlet (G34)3 Heating circuit return (R114)
4 Condensate discharge (DN22)5 Flue gas pipe
Tab15 Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 1155 Diameter 100150 mm Diameter 100150 mm Diameter 100150 mmA (mm) 1340 1562 1562B (mm) 1164 1386 1386C (mm) 1082 1304 1304D (mm) 971 1193 1193
3 Technical specifications
16 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Type of flue gas connection Chimney
B23B23PB33
Forced flue
C13C13XC33C33XC43C43XC53C63C63XC83C83XC93C93X
315 Factory test
Before leaving the factory each boiler is optimally set and tested for
Electrical safetySettings (CO2)Water tightnessGas tightnessParameter setting
32 Technical data
Tab3 GeneralGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Nominal heat output (Pn)Central heating operation (80 degC60 degC)
minndashmax kW 120 - 615 141 - 842 189 - 1039
Nominal heat output (Pn)Central heating operation (50 degC30 degC)
minndashmax kW 135 - 650 158 - 895 212 - 1097
Nominal input power (Qn)Heating mode (Hi)
minndashmax kW 122 - 620 146 - 860 196 - 1070
Nominal input power (Qn)Heating operation (Hi) G31 (propane)
minndashmax kW 122 - 620 221 - 860 212 - 1070
Nominal input power (Qn)Central heating operation (Hs)
minndashmax kW 137 - 689 162 - 955 217 - 1189
Full load heating mode efficiency (Hi) (8060 degC) (9242EEC)
992 979 971
Full load heating mode efficiency (Hi) (50 degC30 degC)
1046 1041 1025
Part load heating mode efficiency (9242EEC) (return temperature 30 degC)
1104 1081 108
Tab4 Gas and flue gas valuesGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115G20 gas consumption (H gas)(1) minndashmax m3h 13 - 66 15 - 91 20 - 117Gas consumption G31 (propane)(1)
minndashmax m3h 05 - 25 09 - 35 09 - 45
3 Technical specifications
12 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
Gas resistance G20 (H gas)(2) max mbar 20 25 30BREAM NOx mgkWh 32 29 35Flue gas quantity minndashmax m3h 18 - 90 22 - 125 30 - 160Flue gas temperature minndashmax degC 30 - 120 30 - 120 30 - 120Maximum counter pressure (Pn) Pa 100 160 220
(1) Gas consumption based on lower heating value in standardised conditions T=28815 K p=101325 mbar Gag 3033 G25 2925 G31 8800 MJm3
(2) Gas resistance between boiler connection and measurement point on the gas valve unit
Tab5Gas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Gas inlet pressure G20 (H gas) minndashmax mbar 17 - 25 17 - 25 17 - 25G30G31 gas inlet pressure (ButanePropane) minndashmax mbar 37 - 50 37 - 50 37 - 50G31 gas inlet pressure (Propane) minndashmax mbar 37 - 50 37 - 50 37 - 50
Tab6 Central heating circuit dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Water content l 71 101 101Water operating pressure min bar 08 08 08Water operating pressure (MOP) max bar 40 40 40Water temperature max degC 110 110 110Operating temperature max degC 90 90 90Pressure drop secondary circuit (ΔT = 20 K) mWC 17 16 26Maximum permitted temperature difference(1) max degC 40(1) 40(1) 35(1)
(1) with a maximum flow temperature of 80 degC
Tab7 Electrical dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Supply voltage (AC) V 230 230 230Power consumption ndash full load max W 92 124 180Power consumption - low load max W 25 24 344Power consumption ndash standby max W 6 5 9Electrical protection rating IP X1B X1B X1BFuses Main A 10 10 10
Tab8 Other dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Total weight (empty) kg 98 109 109Average acoustic level at a distance of one meshytre from the boiler
dB(A) 40 45 45
SeeThe back cover for contact details
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 13
321 ErP technical parameters
Tab9 Technical parameters for boiler space heatersProduct name Gas 120 ACE
- 65Gas 120 ACE - 90
Gas 120 ACE - 115
Condensing boiler Yes Yes YesLow-temperature boiler(1) No No NoB1 boiler No No NoCogeneration space heater No No NoCombination heater No No NoRated heat output Prated kW 62 84 104
Useful heat output at rated heat output and high temperature regime(2)
P4 kW 615 842 1039
Useful heat output at 30 of rated heat output and low temperature regime(1)
P1 kW 205 279 347
Seasonal space heating energy efficiency ƞs 94 - -Useful efficiency at rated heat output and high temperature regime(2)
ƞ4 894 882 875
Useful efficiency at 30 of rated heat output and low temperature regime(1)
ƞ1 995 974 973
Auxiliary electricity consumption Full load elmax kW 0092 0124 0180Part load elmin kW 0025 0024 0034Stand-by PSB kW 0006 0005 0009
Other specifications Standby heat loss Pstby kW 0114 0119 0119Ignition burner power consumption Pign kW - - -Annual energy consumption QHE GJ 190 - -Sound power level indoors LWA dB 55 61 60Emissions of nitrogen oxides NOx mgkWh 29 41 41(1) Low temperature means for condensing boilers 30degC for low temperature boilers 37degC and for other heaters 50degC return temperature
(at heater inlet)(2) High temperature regime means 60 degC return temperature at heater inlet and 80 degC feed temperature at heater outlet
SeeThe back cover for contact details
322 Circulating pump (not provided)
The boiler is supplied without a circulating pump Take the boiler pressure drop and system pressure drop into account when selecting a pump
CautionThe maximum output of a pump that can be connected is 200 W Above this use an auxiliary relay adapted to the pump output
If possible install the pump in direct connection to the boiler on the return circuit
For more information see
Circulating pump
The maximum difference in temperature between the flow water and the return water and the speed at which the boiler temperature increases are restricted by the boilers control system
3 Technical specifications
14 Gas 120 ACE 7717202 - v03 - 24062019
Tab10 Minimum flow to be guaranteedMinimum flow to be guaranteed in the boiler Unit Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Minimum flow rate litreshour 290 340 455
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
323 Sensor specifications
Outside temperature sensor specifications
Tab11 Outside temperature sensorTemperature degC -20 -16 -12 -8 -4 0 4 8 12 16 20 24Resistance Ω
(Ohm)2392 2088 1811 1562 1342 1149 984 842 720 616 528 454
Fig2 Pressure drops for Gas 120 ACE - 65
MW-2000671-3
T=20KT=40K
175
Fig3 Pressure drops for Gas 120 ACE - 90
MW-2000673-3
T=20KT=40K
362
Fig4 Pressure drops for Gas 120 ACE - 115
MW-2000674-3
T=20KT=35K
447
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 15
Boiler sensor return sensor
Tab12 Boiler sensor return sensorTemperature in degC
-20 -10 0 10 20 25 30 40 50 60 70 80 90 100 110
Resistance in Ω
98932 58879 36129 22804 14773 10000 9804 6652 4607 3252 2337 1707 1266 952 726
Circuit flow sensor domestic hot water sensor and system sensor
Tab13 Circuit flow sensor domestic hot water sensor and system sensorTemperature in degC 0 10 20 25 30 40 50 60 70 80 90Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941
Specifications of the boiler flue gas sensor
Tab14 Boiler flue gas sensorTemperature degC 0 10 20 30 40 50 60 70 80 90 100Resistance Ohm 66000 40000 20000 16100 10600 7160 4940 3480 2490 1810 1340
33 Dimensions and connections
Fig5
MW-2000684-03
A
D
E
FG
BC
600 605150
92
132
240
141
418
5
2
34
107
105
95
100
1
255145
1 Heating circuit flow (R114)2 Gas inlet (G34)3 Heating circuit return (R114)
4 Condensate discharge (DN22)5 Flue gas pipe
Tab15 Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 1155 Diameter 100150 mm Diameter 100150 mm Diameter 100150 mmA (mm) 1340 1562 1562B (mm) 1164 1386 1386C (mm) 1082 1304 1304D (mm) 971 1193 1193
3 Technical specifications
16 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
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F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
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Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
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F +34 94 471 11 52
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EST Systems Oy
Kujamatintie 16
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E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Gas 120 ACE Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
Gas resistance G20 (H gas)(2) max mbar 20 25 30BREAM NOx mgkWh 32 29 35Flue gas quantity minndashmax m3h 18 - 90 22 - 125 30 - 160Flue gas temperature minndashmax degC 30 - 120 30 - 120 30 - 120Maximum counter pressure (Pn) Pa 100 160 220
(1) Gas consumption based on lower heating value in standardised conditions T=28815 K p=101325 mbar Gag 3033 G25 2925 G31 8800 MJm3
(2) Gas resistance between boiler connection and measurement point on the gas valve unit
Tab5Gas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Gas inlet pressure G20 (H gas) minndashmax mbar 17 - 25 17 - 25 17 - 25G30G31 gas inlet pressure (ButanePropane) minndashmax mbar 37 - 50 37 - 50 37 - 50G31 gas inlet pressure (Propane) minndashmax mbar 37 - 50 37 - 50 37 - 50
Tab6 Central heating circuit dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Water content l 71 101 101Water operating pressure min bar 08 08 08Water operating pressure (MOP) max bar 40 40 40Water temperature max degC 110 110 110Operating temperature max degC 90 90 90Pressure drop secondary circuit (ΔT = 20 K) mWC 17 16 26Maximum permitted temperature difference(1) max degC 40(1) 40(1) 35(1)
(1) with a maximum flow temperature of 80 degC
Tab7 Electrical dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Supply voltage (AC) V 230 230 230Power consumption ndash full load max W 92 124 180Power consumption - low load max W 25 24 344Power consumption ndash standby max W 6 5 9Electrical protection rating IP X1B X1B X1BFuses Main A 10 10 10
Tab8 Other dataGas 120 ACE Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Total weight (empty) kg 98 109 109Average acoustic level at a distance of one meshytre from the boiler
dB(A) 40 45 45
SeeThe back cover for contact details
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 13
321 ErP technical parameters
Tab9 Technical parameters for boiler space heatersProduct name Gas 120 ACE
- 65Gas 120 ACE - 90
Gas 120 ACE - 115
Condensing boiler Yes Yes YesLow-temperature boiler(1) No No NoB1 boiler No No NoCogeneration space heater No No NoCombination heater No No NoRated heat output Prated kW 62 84 104
Useful heat output at rated heat output and high temperature regime(2)
P4 kW 615 842 1039
Useful heat output at 30 of rated heat output and low temperature regime(1)
P1 kW 205 279 347
Seasonal space heating energy efficiency ƞs 94 - -Useful efficiency at rated heat output and high temperature regime(2)
ƞ4 894 882 875
Useful efficiency at 30 of rated heat output and low temperature regime(1)
ƞ1 995 974 973
Auxiliary electricity consumption Full load elmax kW 0092 0124 0180Part load elmin kW 0025 0024 0034Stand-by PSB kW 0006 0005 0009
Other specifications Standby heat loss Pstby kW 0114 0119 0119Ignition burner power consumption Pign kW - - -Annual energy consumption QHE GJ 190 - -Sound power level indoors LWA dB 55 61 60Emissions of nitrogen oxides NOx mgkWh 29 41 41(1) Low temperature means for condensing boilers 30degC for low temperature boilers 37degC and for other heaters 50degC return temperature
(at heater inlet)(2) High temperature regime means 60 degC return temperature at heater inlet and 80 degC feed temperature at heater outlet
SeeThe back cover for contact details
322 Circulating pump (not provided)
The boiler is supplied without a circulating pump Take the boiler pressure drop and system pressure drop into account when selecting a pump
CautionThe maximum output of a pump that can be connected is 200 W Above this use an auxiliary relay adapted to the pump output
If possible install the pump in direct connection to the boiler on the return circuit
For more information see
Circulating pump
The maximum difference in temperature between the flow water and the return water and the speed at which the boiler temperature increases are restricted by the boilers control system
3 Technical specifications
14 Gas 120 ACE 7717202 - v03 - 24062019
Tab10 Minimum flow to be guaranteedMinimum flow to be guaranteed in the boiler Unit Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Minimum flow rate litreshour 290 340 455
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
323 Sensor specifications
Outside temperature sensor specifications
Tab11 Outside temperature sensorTemperature degC -20 -16 -12 -8 -4 0 4 8 12 16 20 24Resistance Ω
(Ohm)2392 2088 1811 1562 1342 1149 984 842 720 616 528 454
Fig2 Pressure drops for Gas 120 ACE - 65
MW-2000671-3
T=20KT=40K
175
Fig3 Pressure drops for Gas 120 ACE - 90
MW-2000673-3
T=20KT=40K
362
Fig4 Pressure drops for Gas 120 ACE - 115
MW-2000674-3
T=20KT=35K
447
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 15
Boiler sensor return sensor
Tab12 Boiler sensor return sensorTemperature in degC
-20 -10 0 10 20 25 30 40 50 60 70 80 90 100 110
Resistance in Ω
98932 58879 36129 22804 14773 10000 9804 6652 4607 3252 2337 1707 1266 952 726
Circuit flow sensor domestic hot water sensor and system sensor
Tab13 Circuit flow sensor domestic hot water sensor and system sensorTemperature in degC 0 10 20 25 30 40 50 60 70 80 90Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941
Specifications of the boiler flue gas sensor
Tab14 Boiler flue gas sensorTemperature degC 0 10 20 30 40 50 60 70 80 90 100Resistance Ohm 66000 40000 20000 16100 10600 7160 4940 3480 2490 1810 1340
33 Dimensions and connections
Fig5
MW-2000684-03
A
D
E
FG
BC
600 605150
92
132
240
141
418
5
2
34
107
105
95
100
1
255145
1 Heating circuit flow (R114)2 Gas inlet (G34)3 Heating circuit return (R114)
4 Condensate discharge (DN22)5 Flue gas pipe
Tab15 Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 1155 Diameter 100150 mm Diameter 100150 mm Diameter 100150 mmA (mm) 1340 1562 1562B (mm) 1164 1386 1386C (mm) 1082 1304 1304D (mm) 971 1193 1193
3 Technical specifications
16 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
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7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
321 ErP technical parameters
Tab9 Technical parameters for boiler space heatersProduct name Gas 120 ACE
- 65Gas 120 ACE - 90
Gas 120 ACE - 115
Condensing boiler Yes Yes YesLow-temperature boiler(1) No No NoB1 boiler No No NoCogeneration space heater No No NoCombination heater No No NoRated heat output Prated kW 62 84 104
Useful heat output at rated heat output and high temperature regime(2)
P4 kW 615 842 1039
Useful heat output at 30 of rated heat output and low temperature regime(1)
P1 kW 205 279 347
Seasonal space heating energy efficiency ƞs 94 - -Useful efficiency at rated heat output and high temperature regime(2)
ƞ4 894 882 875
Useful efficiency at 30 of rated heat output and low temperature regime(1)
ƞ1 995 974 973
Auxiliary electricity consumption Full load elmax kW 0092 0124 0180Part load elmin kW 0025 0024 0034Stand-by PSB kW 0006 0005 0009
Other specifications Standby heat loss Pstby kW 0114 0119 0119Ignition burner power consumption Pign kW - - -Annual energy consumption QHE GJ 190 - -Sound power level indoors LWA dB 55 61 60Emissions of nitrogen oxides NOx mgkWh 29 41 41(1) Low temperature means for condensing boilers 30degC for low temperature boilers 37degC and for other heaters 50degC return temperature
(at heater inlet)(2) High temperature regime means 60 degC return temperature at heater inlet and 80 degC feed temperature at heater outlet
SeeThe back cover for contact details
322 Circulating pump (not provided)
The boiler is supplied without a circulating pump Take the boiler pressure drop and system pressure drop into account when selecting a pump
CautionThe maximum output of a pump that can be connected is 200 W Above this use an auxiliary relay adapted to the pump output
If possible install the pump in direct connection to the boiler on the return circuit
For more information see
Circulating pump
The maximum difference in temperature between the flow water and the return water and the speed at which the boiler temperature increases are restricted by the boilers control system
3 Technical specifications
14 Gas 120 ACE 7717202 - v03 - 24062019
Tab10 Minimum flow to be guaranteedMinimum flow to be guaranteed in the boiler Unit Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Minimum flow rate litreshour 290 340 455
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
323 Sensor specifications
Outside temperature sensor specifications
Tab11 Outside temperature sensorTemperature degC -20 -16 -12 -8 -4 0 4 8 12 16 20 24Resistance Ω
(Ohm)2392 2088 1811 1562 1342 1149 984 842 720 616 528 454
Fig2 Pressure drops for Gas 120 ACE - 65
MW-2000671-3
T=20KT=40K
175
Fig3 Pressure drops for Gas 120 ACE - 90
MW-2000673-3
T=20KT=40K
362
Fig4 Pressure drops for Gas 120 ACE - 115
MW-2000674-3
T=20KT=35K
447
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 15
Boiler sensor return sensor
Tab12 Boiler sensor return sensorTemperature in degC
-20 -10 0 10 20 25 30 40 50 60 70 80 90 100 110
Resistance in Ω
98932 58879 36129 22804 14773 10000 9804 6652 4607 3252 2337 1707 1266 952 726
Circuit flow sensor domestic hot water sensor and system sensor
Tab13 Circuit flow sensor domestic hot water sensor and system sensorTemperature in degC 0 10 20 25 30 40 50 60 70 80 90Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941
Specifications of the boiler flue gas sensor
Tab14 Boiler flue gas sensorTemperature degC 0 10 20 30 40 50 60 70 80 90 100Resistance Ohm 66000 40000 20000 16100 10600 7160 4940 3480 2490 1810 1340
33 Dimensions and connections
Fig5
MW-2000684-03
A
D
E
FG
BC
600 605150
92
132
240
141
418
5
2
34
107
105
95
100
1
255145
1 Heating circuit flow (R114)2 Gas inlet (G34)3 Heating circuit return (R114)
4 Condensate discharge (DN22)5 Flue gas pipe
Tab15 Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 1155 Diameter 100150 mm Diameter 100150 mm Diameter 100150 mmA (mm) 1340 1562 1562B (mm) 1164 1386 1386C (mm) 1082 1304 1304D (mm) 971 1193 1193
3 Technical specifications
16 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
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F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
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F +34 94 471 11 52
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EST Systems Oy
Kujamatintie 16
48720 Kotka
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E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
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E saleseurogasie
Revis Srl
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31025 Santa Lucia di Piave (TV)
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E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
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F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Tab10 Minimum flow to be guaranteedMinimum flow to be guaranteed in the boiler Unit Gas 120 ACE -
65Gas 120 ACE -
90Gas 120 ACE -
115Minimum flow rate litreshour 290 340 455
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
A Dynamic head in mWcB Water flow rate (m3h)C Pressure drops
ΔT Maximum temperature difference between the flow water and the return water in the boiler
323 Sensor specifications
Outside temperature sensor specifications
Tab11 Outside temperature sensorTemperature degC -20 -16 -12 -8 -4 0 4 8 12 16 20 24Resistance Ω
(Ohm)2392 2088 1811 1562 1342 1149 984 842 720 616 528 454
Fig2 Pressure drops for Gas 120 ACE - 65
MW-2000671-3
T=20KT=40K
175
Fig3 Pressure drops for Gas 120 ACE - 90
MW-2000673-3
T=20KT=40K
362
Fig4 Pressure drops for Gas 120 ACE - 115
MW-2000674-3
T=20KT=35K
447
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 15
Boiler sensor return sensor
Tab12 Boiler sensor return sensorTemperature in degC
-20 -10 0 10 20 25 30 40 50 60 70 80 90 100 110
Resistance in Ω
98932 58879 36129 22804 14773 10000 9804 6652 4607 3252 2337 1707 1266 952 726
Circuit flow sensor domestic hot water sensor and system sensor
Tab13 Circuit flow sensor domestic hot water sensor and system sensorTemperature in degC 0 10 20 25 30 40 50 60 70 80 90Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941
Specifications of the boiler flue gas sensor
Tab14 Boiler flue gas sensorTemperature degC 0 10 20 30 40 50 60 70 80 90 100Resistance Ohm 66000 40000 20000 16100 10600 7160 4940 3480 2490 1810 1340
33 Dimensions and connections
Fig5
MW-2000684-03
A
D
E
FG
BC
600 605150
92
132
240
141
418
5
2
34
107
105
95
100
1
255145
1 Heating circuit flow (R114)2 Gas inlet (G34)3 Heating circuit return (R114)
4 Condensate discharge (DN22)5 Flue gas pipe
Tab15 Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 1155 Diameter 100150 mm Diameter 100150 mm Diameter 100150 mmA (mm) 1340 1562 1562B (mm) 1164 1386 1386C (mm) 1082 1304 1304D (mm) 971 1193 1193
3 Technical specifications
16 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
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AT T +43 5577 81310
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E infoboeschat
Cipag SA
Zone Industrielle
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E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
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E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
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F +49 25572 9161 - 102
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Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
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EST Systems Oy
Kujamatintie 16
48720 Kotka
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E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
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E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
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F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Boiler sensor return sensor
Tab12 Boiler sensor return sensorTemperature in degC
-20 -10 0 10 20 25 30 40 50 60 70 80 90 100 110
Resistance in Ω
98932 58879 36129 22804 14773 10000 9804 6652 4607 3252 2337 1707 1266 952 726
Circuit flow sensor domestic hot water sensor and system sensor
Tab13 Circuit flow sensor domestic hot water sensor and system sensorTemperature in degC 0 10 20 25 30 40 50 60 70 80 90Resistance in Ω 32014 19691 12474 10000 8080 5372 3661 2535 1794 1290 941
Specifications of the boiler flue gas sensor
Tab14 Boiler flue gas sensorTemperature degC 0 10 20 30 40 50 60 70 80 90 100Resistance Ohm 66000 40000 20000 16100 10600 7160 4940 3480 2490 1810 1340
33 Dimensions and connections
Fig5
MW-2000684-03
A
D
E
FG
BC
600 605150
92
132
240
141
418
5
2
34
107
105
95
100
1
255145
1 Heating circuit flow (R114)2 Gas inlet (G34)3 Heating circuit return (R114)
4 Condensate discharge (DN22)5 Flue gas pipe
Tab15 Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 1155 Diameter 100150 mm Diameter 100150 mm Diameter 100150 mmA (mm) 1340 1562 1562B (mm) 1164 1386 1386C (mm) 1082 1304 1304D (mm) 971 1193 1193
3 Technical specifications
16 Gas 120 ACE 7717202 - v03 - 24062019
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
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AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
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E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
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Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
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F +49 25572 9161 - 102
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Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
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EST Systems Oy
Kujamatintie 16
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E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
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Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
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E saleseurogasie
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Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115E (mm) 410 632 632F (mm) 87 303 303G (mm) 128 350 350
34 Electrical diagram
341 Electrical diagram of boiler
Fig6
CU-GH-08
X3X4X5
X6
X8
1
2
3
1
2
3
X14
X7
X10
X11
X13
X12
1
2
3
4
5
25 A
Nrsquo
1
2
3
4
YE
GY
BR
GR
1
2
3
4
1
2
3
4
1
2
N L
1
2
1
2
OPTION
PRESSURE
SWITCH
MW-2000850-04
230V
1 2 3 4 5 6 7 8 9 10
24V
12 11
BL OR
10 9 8 7 6
GR BK RE YE BL
5 4 3 2 1
OR BK RE YE BL
Lrsquo
BL
GY
GY
GY
BL BR
GY
BL
BR
GY BL
BR
GY
BR
GR BK RE YE BL OR BK RE YE BL
BK
BL
BR
RE
GR
GR
BK
GR
GY
YE
BR
BL
OR
1
2
3
4
5
1
2
3
RE
BK
GR
BR
BK
BL
GR
1
2
BR
GR
GY
RE BL
BL
BK
BK
BR YE
GR PI
BL
BL
GR
PI
GR
RE
BR
YE
BK
BK
BR
GY
BL
BL
BR
GY
GY
BR
BL BL GY
BR
BL
BR
BK
GYWH
GY
BL
GY
BL
BR
BK
WH
BL
GY
1 12
4
5
2
3
6
7
8
9
10
11
16
17
15
14
13
1 230 V connector connection with control unit2 Mains interference filter3 Earthing of boiler front door4 Return sensor (TR)5 Flow sensor (FTS)6 Flue gas sensor7 Flue gas pressure switch (specific option for the
Netherlands)8 Gas valve unit (GB)9 Igniter (IT)
10 Ionizationignition electrode (E)11 Fan supply12 24 V connector connection with control unit13 Storage information (CSU)14 Pressure sensor (PS)15 Fan control (PWM)16 Light17 Control unit (CU-GH08)BK BlackBL Blue
3 Technical specifications
7717202 - v03 - 24062019 Gas 120 ACE 17
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
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E remeharemehanl
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Industrie Nord
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E infoboeschat
Cipag SA
Zone Industrielle
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E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
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Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
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F +49 25572 9161 - 102
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Scanboiler Varmeteknik AS
Vangvedvaelignget 1
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Berreteaga Bidea 19
48180 Loiu
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EST Systems Oy
Kujamatintie 16
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E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
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E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
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E saleseurogasie
Revis Srl
Via Trieste 4a
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E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
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E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
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F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
BR BrownGY GreenYellowYE YellowOR OrangeGR Green
PI PinkGY GreyRD RedWH White
3 Technical specifications
18 Gas 120 ACE 7717202 - v03 - 24062019
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
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F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
4 Description of the product
41 General description
Gas 120 ACE floor-standing condensing gas boilers have the following characteristics
Low polluting emissionsHigh-efficiency heatingElectronic control panelFlue gas discharge by a forced flue or chimney type connection with bi-flow option
The boilers are perfectly suited to cascade installation
42 Operating principle
421 Gasair setting
The casing fitted to the boiler is also used as an air box Air is drawn in by the fan and gas injected into the Venturi by the fan intake The fan speed is modulated according to the settings the heat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gasair ratio command function accurately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gasair mixture is sent to the burner located upstream of the heat exchanger
422 Settings and safety devices
ImportantThe settings and safety devices are only operational if the boiler is powered up
Tab16 Description of the safety devicesDevice DescriptionNTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheatingFlame detector by ionisation The boiler is put into safety lock-down in the event of gas shortage or incomplete cross-
lighting on the burnerHydraulic pressure switch When the pressure switch detects a pressure lower than 08 bar (008 MPa) a warning
message is displayed without stopping the circulating pumpPost-circulating pump After the burner stops depending on the room thermostat setting and if in heating
mode the circulating pump runs for a further 3 minutesFrost protection device When the flow temperature is lower than 5 degC the burner starts up and runs until the
flow temperature reaches 15 degC This device runs under the following conditions
The boiler is switched onThe gas supply is workingThe pressure in the system is higher than 05 bar (005 MPa)
Anti-blocking of the pump If there are no heating or domestic hot water requirements for 24 consecutive hours the pumps start up automatically and run for 10 seconds
Anticipatory start-up of the circulatshying pumps
In heating mode only the appliance can start up the circulating pumps before burner igshynition The duration and activation of anticipatory start-up depends on the installation reshyquirements and the operating temperatures The duration of anticipatory start-up of the circulating pumps therefore varies from a few seconds to several minutes
4 Description of the product
7717202 - v03 - 24062019 Gas 120 ACE 19
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
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EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
43 Main boiler components
1 Control unit2 Flow sensor3 Light4 Ignitionionization electrode5 Non-return valve6 Gas valve7 Heat exchanger (heating circuit)8 Return sensor9 Pressure gauge sensor
10 CU-GH-08 PCB housing11 Siphon12 Flue gas circuit13 Intake silencer14 Venturi15 Flue gas sensor16 Fan17 Automatic air vent18 Flue gas measuring point19 Combustion air measuring point20 Flue gas outletair supply
44 PCBs
441 Description of the CU-GH-08 PCB
This PCB controls the core boiler components sensors actuators and gas valveThis PCB is factory-fitted and fully cabled and does not require any operationThe sensors valves circulating pumps etc are connected at the control unit
45 Standard delivery
The Gas 120 ACE boiler comes in 2 packages including
Tab17 Package contentsPackage ContentPackage 1 A floor-standing gas boiler
A flue system outlet with a measuring point (stored in the boiler)An outdoor temperature sensorA data plateAn installation and service manual
Package 2 A control unitTwo control unit mounting bolts on the boilerA user manual
46 Accessories amp options
A detailed list of accessories and options can be found in our catalogue
Fig7
MW-2000670-02
16
7 13
12
11
10
19
18
20
17
14
15
6
5
2
9
4
3
1
8
4 Description of the product
20 Gas 120 ACE 7717202 - v03 - 24062019
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
5 Installation
51 Installation regulations
CautionInstallation of the boiler must be done by a qualified professional in accordance with prevailing local and national regulations
CautionA disconnection device must be fitted to the permanent pipes in accordance with the installation rules
CautionRespect the maximum water inlet pressure to ensure correct operation of the appliance referring to the Technical Specifications chapter
52 Choice of the location
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
521 Data plate
The data plate is located on the back of the boilerThe data plate provides important information regarding the appliance
Serial numberModelGas categoryCN1CN2etc
Once installation is complete the second data plate supplied in the documentation bag can be affixed to a more visible part of the boilerIf the boiler is equipped with a hydraulic kit (low-loss header or plate heat exchanger) affix the data plate to the side of the boiler
522 Space required - Boiler ventilation
Decide on the ideal position for installation bearing in mind any legal directives and the space required by the appliance
Install the boiler on a solid stable structure capable of bearing the weight of the appliance when full of water and fully equippedWhen choosing the position for installation of the boiler bear in mind the positions authorised for the combustion gas discharge outlets and the air intake ventDo not install the boiler near any heat sources
Fig8
MW-6000735-01
Made in France0085
CN1 17
CN2 7
230 V 50 Hz
B23(P) - B33 - C13(X) - C33(X) - C43(X) - C53 - C63(X) - C83(X) - C93(X)
PMS= 4bar - 04MPa
Pn =
8060 degC
5030 degC
NOx class 6 (Nox lt 56 mgkWh)
Qn =Hi kW
4030 degC
189-1039
196-1070
212-1097
180W
0085CT009
Hs (G20) 217-1189
IP21Imax= 10A
Tmax= 90degC
FR
LT
IT
AT
CZ
PL
II2Esi3BP
II2H3BP
II2H3BP
II2H3BP
II2H3P
II2H3BP
II2H3BP
II2ELw3BP
G20-20mbar G25-25mbar G30G31-303750mbar
G20-20mbar G30G31 - 30mbar
G20-20mbar G30G31 - 303750 mbar
G20-20mbar G30G31 - 3037mbar
G20-20mbar G31 - 30mbar
G20-20mbar G30G31 - 50mbar
G20-20mbar G30G31-303750mbar
G20-20mbar G27-20mbar G3031-37mbar
kW
Art Nr SN A0000YYWW000
kW
kW
kW
kW
kW
ESGR PT
LU RO EE
YY-WW
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 21
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Keep the boiler accessible at all timesPlace the boiler on a base to make it easier to clean the roomThe boiler can be located along a partition on one of its sides provided there is a 500 mm space on the opposite sideAllow enough space around the boiler to facilitate accessibility and maintenance The minimum recommended dimensions are shown in the illustrationMake sure there is a connection to the water drainage system close to the boiler to discharge any condensates
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
Tab18Gas 120 ACE - 65 Gas 120 ACE - 90 Gas 120 ACE - 115
A (mm) 500 500 500B (mm) 1082 1304 1304
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room the cross section and position of which must satisfy the regulations in force
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Caution
Avoid any low points in the flue gas and condensate discharge circuit in order to prevent any accumulation of condensatesDo not block the air inlets in the room or the combustion product evacuation or condensation water flow pipes (even partially)
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
523 Ventilation
To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed
Great Britain BS 5440 Part 1 and Part 2
For boilers with a nominal output of more than 70 kW Upper and lower air vents comshypulsory
BS 6644 and IGEMUP-10
Fig9
MW-2000679-03
500
B
1100
AS1
S2
260
580
350
600
500
5 Installation
22 Gas 120 ACE 7717202 - v03 - 24062019
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
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Industrie Nord
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E infoboeschat
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Bergen sro
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F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
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Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
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EST Systems Oy
Kujamatintie 16
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E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
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F +353 12861729
E saleseurogasie
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Via Trieste 4a
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E infore-visit
Remeha SRL
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E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
If the boiler is installed in closed premises respect the minimum dimensions given in the diagram below Also allow for openings to obviate the following hazards
Accumulation of gasOverheating of the premisesGreat Britain Minimum cross section of openings see BS 5440 Part 1 and Part 2 and BS 6644
524 Fitting the outdoor sensor
Plugs diameter 4 mmdrill diameter 6 mm
1 Choose a recommended location for the outdoor sensor2 Put the 2 plugs in place delivered with the sensor3 Secure the sensor using the screws provided (diameter 4 mm)4 Connect the cable to the outdoor temperature sensor
Recommended positions
Place the outside sensor in a position that covers the following characteristics
On a faccedilade of the area to be heated on the north if possibleHalf way up the wall of the area to be heatedUnder the influence of changes in the weatherProtected from direct sunlightEasy to access
Fig11
MW-8800N001-3
2
1
2
11
2
H
12 H (min 25 m)
12 H (min 25 m)
12 Z
H
Z
1 Optimum location2 Possible position
H Inhabited height controlled by the sensorZ Inhabited area controlled by the sensor
Positions to be avoided
Avoid placing the outside sensor in a position with the following characteristics
Masked by part of the building (balcony roof etc)Close to a disruptive heat source (sun chimney ventilation grid etc)
Fig10
MW-8800N003-6
23
4
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 23
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
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EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Fig12
MW-3000014-2
53 Transport
Transport the boiler pallet with a manual or electric pallet truck
54 Unpacking and preparing the boiler
Caution
Wear gloves to handle the boilerTransport the boiler pallet with a manual or electric pallet truckUse carrying bars (not provided) to move the boiler
ImportantTo fit the boiler position the pallet with the package 25 m in front of the desired location for the installation This distance is required to allow the boiler to be removed from its pallet
1 Cut the packaging2 Remove the packaging from the boiler but leave the boiler on the
shipping pallet
ImportantThe documentation bag (user manual + accessories) is contained in the protective block
Fig13
MW-6000736-01
Manual
11
12
5 Installation
24 Gas 120 ACE 7717202 - v03 - 24062019
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
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7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
3 Using a long tool unlock and remove the boilers front door Disconnect the earth wire
4 Remove the mounting bolts from the unloading ramps and the boiler (4 bolts at the rear and 4 bolts at the front)
5 Pull out the unloading ramps and turn them over6 Align the ramps with the rear castor wheels on the boiler
Fig14
MW-6000761-01
3
3
Fig15
MW-6000737-01
4
4
Fig16
MW-6000738-01
5
5
6
6
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 25
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
7 Lock the ramps correctly onto the pallet8 Screw the unloading ramps onto the pallet9 Fold down the ends of the ramp so that they rest on the ground
10 Tilt the boiler backwards until it is resting on the castor wheels then remove it from the pallet
11 Recycle the pallet
Fig17
MW-6000770-01
9
9
8
7
Fig18
MW-6000739-02
600
350
11
10
550
5 Installation
26 Gas 120 ACE 7717202 - v03 - 24062019
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
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Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
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E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
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Revis Srl
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31025 Santa Lucia di Piave (TV)
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Remeha SRL
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Scara 5 Ap 53 Judejul Cluj
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Green Building
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RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
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E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
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E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
12 Level the boiler using the adjustable feet(1) Factory setting 30 mm adjustment range 20 to 40 mm
CautionThe rear castor wheels must no longer be in contact with the ground
55 Hydraulic connections
551 Water treatment
In many cases the boiler and the heating system can be filled with mains water without treating the water
CautionDo not add any chemical products to the heating water without first consulting a water treatment specialist For example antifreeze water softeners products to increase or reduce the pH value chemical additives andor inhibitors These may cause faults in the boiler and damage the heat exchanger
Important
Flush the installation with at least 3 times the volume of water contained in the heating systemFlush the DHW circuit with at least 20 times its volume of water
The water in the installation must comply with following specifications
Tab19 Installation water specifications Initial commissioning Concentration (top up)Degree of acidity (untreated water) pH 65 - 85 65 - 85
Degree of acidity (treated washyter) pH 70 - 90 70 - 90
Conductivity at 25degC μScm le 500 le 500Chlorides mglitre le 50 le 50Other components mglitre lt 1 lt 1
Total water hardnessdegf 5 - 35 le 15degdH 28 - 200 le 85mmollitre(1) 05 - 35 lt 15
(1) Flow temperature less than 90degC mdash Maximum hardness 150 mmoll
Fig19
MW-6000773-01
(1)
12
12
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 27
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
ImportantIf water treatment proves necessary Remeha recommends the following manufacturers
CillitClimalifeFernoxPermoSentinel
552 Flushing new installations and installations less than 6 months old
Before filling the heating installation it is essential to remove any debris (copper caulking soldering flux) from the installation
1 Clean the installation with a powerful universal cleaner2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
553 Flushing an existing installation
Before filling the heating installation it is essential to remove any sludge deposits which have accumulated in the heating circuit over the years
1 Remove any sludge from the installation2 Flush the installation with at least 3 times the volume of water
contained in the central heating system (until the water runs clear and shows no impurities)
554 Connecting the heating circuit
ImportantAbide by the information shown in the hydraulic diagrams
The pipes are not provided
Caution
The heating pipe must be mounted in accordance with the provisions applicableIf installing stop valves position the filldrain valve and the expansion vessel between the stop valves and the boilerAlways install a safety valve calibrated to a maximum of 4 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuitIt is recommended to install a sludge collector on all installations
SeeIf fitting with a hydraulic kit (low-loss header or plate heat exchanger) refer to the kit manual
555 Connecting the condensate discharge pipe
Use a neutralisation station to achieve a pH value of more than 65 (in accordance with prevailing regulations)Discharge the condensates directly into the mains drainage system via a siphon In view of the acidity level (pH 25 to 3) only condensate discharge pipes made from compatible plastic should be used
5 Installation
28 Gas 120 ACE 7717202 - v03 - 24062019
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
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F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
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Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
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Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
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EST Systems Oy
Kujamatintie 16
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E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
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E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
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F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
The condensate discharge pipe is located at the rear of the boiler
Do not block the condensate discharge pipeTilt the discharge pipe by at least 30 mm per metre and make sure there are no low points that could cause the accumulation of water or deposits Maximum horizontal length 5 metresDo not drain condensation water into a roof gutterConnect the condensate discharge pipe in accordance with prevailing standardsIt is preferable to use the condensate neutralisers recommended by the manufacturer of the boiler
1 Connect a plastic hose to the condensate discharge outlet (DN 22)2 Insert the other end of the hose into a waste water discharge outlet
556 Filling the siphon
DangerIf operating with the siphon empty combustion products will escape into the premises in which the boiler is installed
1 Pour water into the flue gas pipe (central pipe) until it flows out of the condensate discharge pipe
56 Gas connection
Danger
Close the main gas valve before starting work on the gas pipesThe diameters of the pipes must be defined in accordance with the standards in force in your countryConnect the gas pipe in accordance with prevailing standards and regulationsEnsure that there is no dust in the gas pipe
The gas pipes are not providedIn old gas networks we recommend fitting a gas filter with a low pressure drop upstream of this point
1 Clean the gas supply pipe2 Remove the anti-dust plug located on the boilers gas inlet3 Mount a gas stop valve (not provided) on the boilers gas inlet4 Connect the gas inlet pipe to the gas stop valve
Fig20
MW-2000825-01
pH gt 65
Oslash32A
Fig21
MW-6000742-02
1
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 29
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
5 Close the gas supply valve before testing the pressure on the gas supply pipe to avoid damage caused by excessive pressure on the gas regulator Decompress before reopening the valve
561 Gas supply
Before mounting check that the gas meter has sufficient capacity (in m3h) To do this you should bear in mind the consumption of all appliances If the capacity of the gas meter is too low inform the gas supply companyThe boilers are preset to run on G20 gas (gas H) and can be adapted to run with the following gases
G31 (gas P)G3031 (gas BP)
ImportantTo use a different type of gas contact an approved assistance service
57 Air supplyflue gas outlet connections
571 Classification
The discharge and intake pipes must be certified for the appropriate configuration and must meet the requirements of the prevailing installation standards in the country
Tab20 Configurations and recommendations for the flue systemConfiguration Principle DescriptionB23B23P
AD-3001055-01
Connection to a chimney using a CE connection kit (single pipe in a flue comshybustion air taken from the boiler room)Follow the connection instructions and adhere to the recommended maximum pipe lengthsComply with the applicable regulations governing ventilation and cross-secshytions for room aeration vents
B33
MW-5000925-1
Room-ventilated version
Without down-draught diverterJoint flue gas discharge via the roof with guaranteed natural draft (at all times underpressure in the joint discharge duct)Flue gas discharge rinsed with air air from the installation area (special conshystruction)The IP rating of the boiler is lowered to IP20
C13C13X
AD-3001056-01
Airflue gas connection using concentric pipes to a horizontal terminal (so-called forced flue) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
5 Installation
30 Gas 120 ACE 7717202 - v03 - 24062019
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Configuration Principle DescriptionC33C33X
AD-3001057-01
Airflue gas connection using concentric pipes to a vertical terminal (roof outshylet) Use of CE-certified systemThis allows the air required for combustion to be drawn in and the combustion products to be discharged at the same timeThe terminal parts of the double discharge pipe must fit inside a 2500 cm2 square for boilers under 70 kW and a 10000 cm2 square for boilers over 70 kW
C43C43X
MW-2000822-01
Airflue gas connection via concentric pipes to a common pipe supplying severshyal heating applicationsThe common pipe has a roof connection to a vertical terminal that draws in the air required for combustion and discharges the combustion productsUse of CE-certified system
C53
AD-3001058-02
Airflue gas connection via separate pipes lead to two separate terminals One draws in the air required for combustion and the other discharges the combusshytion productsThe outlets may be in different pressure zonesDo not install the air supply and discharge on opposing surfacesUse of CE-certified system
C63C63X
The installer is responsible for installing a CE-certified discharge system that complies with the manufacturers recommendations (temperature flow pressure etc)
The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 degC The terminal part of the flue gas pipe must be certified as complying with the EN 1856-1 StandardIf installing discharge and intake pipes not supplied by Remeha these must be certified for the intended type of use and their maximum pressure drop must be compliant
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 31
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Configuration Principle DescriptionC83C83X
MW-2000823-01
Flue gas connection to a collective flue for sealed boilers The air supply is inshydividual via a terminal coming from outside the buildingA concentric pipe can be used to both supply the boiler with combustion air and connect to the collective flue gas discharge systemThe chimney or flue gas pipe must be suitable for such use and the system CE certified
C93C93X
AD-3001059-01
Airflue gas connection via concentric pipes in an existing chimney The air supshyply in the chimney may be installed via the existing channel or via tubing Flue gas discharge and air intake are via a vertical terminal at the top of the chimney
The air intake and discharge must be close enough to be in the same pressure zoneThe minimum cross-sections are shown in the table belowThe flue system must be suitable for the intended use and the system CE certishyfied
Tab21 Minimum dimensions of the duct or pipe C93 C93X
Version (D) Without air supply With air supplyRigid 80 mm Oslash 130 mm 130 x 130 mm Oslash 140 mm 130 x 130 mmRigid 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmRigid 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmFlexible 80 mm Oslash 130 mm 130 x 130 mm Oslash 145 mm 130 x 130 mmFlexible 100 mm Oslash 160 mm 160 x 160 mm Oslash 170 mm 160 x 160 mmFlexible 150 mm Oslash 200 mm 200 x 200 mm Oslash 220 mm 220 x 220 mmConcentric 80125 mm Oslash 145 mm 145 x 145 mm Oslash 145 mm 145 x 145 mmConcentric 100150 mm Oslash 170 mm 170 x 170 mm Oslash 170 mm 170 x 170 mmConcentric 150200 mm Oslash 270 mm 270 x 270 mm - -
ImportantThe duct must comply with the air density requirements of the local regulations
Important
Only original components are authorised for connection to the boiler and for the terminalThe clear section must comply with the standardThe chimney must be swept before installing the discharge flue
CautionEnsure that the flue gas discharge pipes are securely attached to the wall with suitable retaining flanges to prevent any damage and guarantee the tightness of every gasket in the circuit
CautionThe minimum gradient of the condensates discharge pipe from the boiler to the waste water discharge must be 1 cm per linear metre
Fig22 Minimum dimensions of the duct or pipe C93 C93X
AD-3000330-03
D
Oslash
D
5 Installation
32 Gas 120 ACE 7717202 - v03 - 24062019
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
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AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
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E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
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F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
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Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
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F +34 94 471 11 52
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EST Systems Oy
Kujamatintie 16
48720 Kotka
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E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
572 Lengths of the airflue gas pipes
The maximum lengths (Lmax) given in the table are valid for pipes in which the horizontal sections do not exceed one metre in total For each additional metre of horizontal pipe a multiplication coefficient of 12 must be applied when calculating the total length L The total length L is calculated by adding the lengths of the straight airflue gas pipes and the equivalent lengths of the other componentsAlways ensure that L is less than Lmax
ImportantFor the list of flue gas system accessories and the equivalent lengths refer to the current price list
Tab22 Lengths of the airflue gas pipes in metresConfigurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 100 mm 26 24 19
B23B23P
Single rigid chimney pipes (combusshytion air taken from the premises)
PPS 110 mm 40 40 40
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 80 mm - - -
B23B23P
Single flexible chimney pipes (comshybustion air taken from the premises)
PPS 110 mm 295 24 175
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 80125 mm - - -
C13C13X
Concentric rigid pipes connected to a horizontal terminal
PPSAluminium 100150 mm 9 8 59
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 80125 mm - - -
C33C33X
Concentric rigid pipes connected to a vertical terminal
PPSAluminium 100150 mm 115 10 94
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 80125 mm over 2x80 mm
- - -
C53 Bi-flow adapter and separate single rigid airflue gas pipes (combustion air taken from outside)
PPSAluminium 100150 mm over 2x100 mm
23 175 Air 11Flue gases 5
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 80125 mm110 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle rigid pipes in the chimney (combustion air in counter-current)
PPSAluminium 110150 mm110 mm
16 132 10
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 33
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
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E remeharemehanl
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UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Configurashytion
Description Materials Diameter Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 80125 mm80 mm
- - -
C93C93X
Concentric pipes in the boiler roomSingle flexible pipes in the chimshyney (combustion air in counter-current)
PPS 110150 mm110 mm
165 135 94
Tab23 PPS pipe reduction for each element used
Diameter 80 mmSingle
80125 mmConcentric
100 mmSingle
100150 mmConcentric
45deg elbow 12 m 10 m 11 m 10 m87deg elbow 19 m 15 m 20 m 37 mStraight inspection tube 03 m 06 m - 10 m87deg inspection elbow 19 m 20 m 48 m -Inspection T 42 m 27 m 56 m 25 mInspection tube for flexible pipe 03 m - 05 m -
573 Dimensions of flue gas outlet pipe
WarningThe pipes connected to the flue gas adapter must satisfy the following dimension requirements
d1 External dimensions of flue gas outlet pipe
Tab24 Dimensions of pipe d1 (min-max)80 mm 793 - 803 mm100 mm 993 - 1003 mm150 mm 149 - 151 mm
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipe
Tab25 Dimensions of pipe d1 (min-max) D1 (min-max)8080 mm 793 - 803 mm 793 - 803 mm100100 mm 993 - 1003 mm 993 - 1003 mm110110 mm 1093 - 1103 mm 1093 - 1103 mm150150 mm 149 - 151 mm 149 - 151 mm
Fig23 Dimensions of open connection
AD-3001094-01
oslashd1
Fig24 Dimensions of parallel connection
AD-3000963-01
oslashd1 oslashD1
5 Installation
34 Gas 120 ACE 7717202 - v03 - 24062019
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
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F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
d1 External dimensions of flue gas outlet pipeD1 External dimensions of air supply pipeL1 Length difference between flue gas outlet pipe and air supply pipe
Tab26 Dimensions of pipe d1 (min-max) D1 (min-max) L1
(1) (min-max)80125 mm 793 - 803 mm 124 - 1255 mm 0 - 15 mm100150 mm 993 - 1003 mm 149 - 151 mm 0 - 15 mm
(1) Shorten the inner pipe if the length difference is too great
574 Connection to the flue gas pipe
At delivery the flue gas outletair supply is fixed inside the boiler
1 Using a long tool unlock and remove the boilers front door2 Remove the boiler outlet
3 Two options for connection to the flue gas pipe
Option Description3a Connection to a vertical flue gas pipe Position the flue gas
outletair supply directly at the boiler outlet3b Connection to a horizontal flue gas pipe Insert an outlet elshy
bow ( not supplied) before the flue gas outletair supply
ImportantLubricate the gaskets on the flue system during assembly
Fig25 Dimensions of concentric connection
AD-3000962-01
oslashd1
L1
oslashD1
Fig26
MW-2000867-02
1
2
1
Fig27
3a 3b
MW-2000868-01
5 Installation
7717202 - v03 - 24062019 Gas 120 ACE 35
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Fastening the coaxial pipes Fasten the intake pipes with two galvanised Oslash 42 mm screws with a maximum length of 16 mm
CautionBefore fixing the screws make sure that at least 45 cm of pipe is inserted in the gasket of the other pipe
WarningGuarantee a minimum pipe slope towards the boiler of at least 5 cm per metre
Fig28 Fastening the coaxial pipes using screws
BO-0000030
16 mm
5 Installation
36 Gas 120 ACE 7717202 - v03 - 24062019
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
6 Operation
61 Settings
To configure the installation and use the boiler please refer to the control unit manual
6 Operation
7717202 - v03 - 24062019 Gas 120 ACE 37
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
7 Maintenance
71 General
We recommend having the boiler inspected and serviced at regular intervals
CautionDo not neglect to service the boiler Contact a qualified professional or take out a maintenance contract for the obligatory annual servicing of the boilerFailure to service the appliance voids the warranty
Danger of electric shockBefore service work is started the boiler has to be de-energised and secured from accidentally being switched back on
CautionHave an inspection carried out and the flues swept at least once a year or more depending on the regulations in force in your country
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
CautionAfter maintenance or repair work check the entire heating system to ensure that there are no leaks
CautionOnly genuine spare parts may be used
72 Specific maintenance operations
721 Cleaning the siphon
1 Remove the flue gas outlet discharge pipe
2 Remove the condensate discharge pipe 3 Remove the screw from the siphon
Fig29
1
MW-2000903-01
Fig30
2
3
MW-2000904-01
7 Maintenance
38 Gas 120 ACE 7717202 - v03 - 24062019
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
4 Pull the siphon downwards to disengage it and pivot it to release it
5 Flush the siphon 6 Drain the siphon
7 Fill the siphon with clean water up to the mark 8 Lubricate the siphon gasket9 Re-engage the siphon and refit the screw
10 Refit the two pipes
722 Checking the ionisation current
1 Check the ionisation current at full load and at low loadThe value is stable after 1 minute
2 Clean or replace the ionisationignition electrode if the value is lower than 4 microA
Fig31
4
90deg
MW-2000905-01
Fig32
MW-2000843-01
Fig33
MW-2000844-01
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 39
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
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EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
723 Replace the ionizationignition electrode
The ionizationignition electrode must be replaced if
The ionization current is lt 4 microAThe electrode is damaged or worn
1 Remove the plug of the electrode from the igniter
ImportantThe ignition cable is fixed to the electrode and therefore may not be removed
2 Remove the two screws3 Remove the entire component4 Fit the new ionizationignition electrode with a new seal5 Reassemble the unit in the reverse order to disassembly
724 Servicing the forced flue connection pipes
1 Open the inspection hatches or remove the pipes2 Check that the air supply and discharge pipes are not blocked
If necessary clean the discharge pipe3 Check the tightness of the flue gas system4 Replace the tightness gaskets and if necessary any sections of pipe
until tightness is perfect
725 Checking the burner and cleaning the heat exchanger
1 Remove the air inlet flue on the venturi2 Loosen the gland on the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
Fig34
AD-0000088-01
4
1
2
3
Fig35 Removing the fan
AD-3001178-01
1
3
4
2
5
7 Maintenance
40 Gas 120 ACE 7717202 - v03 - 24062019
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
6 Remove the front plate from the heat exchanger7 Carefully lift the front plate including the burner and fan away from
the heat exchanger
8 Use a vacuum cleaner fitted with a special endpiece (accessory) to clean the top part of the heat exchanger (combustion chamber)
9 Vacuum again without the top brush on the end piece10 Clean the lower section of the heat exchanger with the special
cleaning blade (accessory)11 Check (eg using a mirror) whether any visible contamination has
been left behind If it has remove it with the vacuum cleaner12 Check that the burner cover of the dismantled burner is free from
cracks andor damage If not replace the burnerServicing the burner is usually not necessary it is self-cleaning Use compressed air to carefully blow away any dust
13 Reassemble the unit in reverse order
CautionRemember to reconnect the fan plugCheck that the gasket is correctly positioned between the mixing elbow and the heat exchanger (the gasket must lie absolutely flat in the appropriate groove to ensure that no gas can leak)Tighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the front plate nuts with a torque wrench to the firmness of 10 Nm
14 Open the gas supply and switch the power supply to the boiler back on
Fig36 Removing the front plate fan and burner
AD-3001179-01
6
7
Fig37 Cleaning the heat exchanger
AD-3001180-01
10
8 9
12
11
7 Maintenance
7717202 - v03 - 24062019 Gas 120 ACE 41
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
726 Checking the non-return valve
1 Remove the air inlet pipe from the venturi2 Unscrew the gland of the gas valve unit3 Disconnect the fan plugs (on the front and rear)4 Remove the screwed-on plug from the gas valve unit5 Remove the ignition electrode plug from the ignition transformer
6 Dismantle the fan7 Remove the fan together with the gas valve unit8 Inspect the non-return valve and replace it in the event of a defect or
damage or if the maintenance kit contains a non-return valve9 Reassemble in the reverse order
CautionRemember to reconnect the fan plugTighten the gland on the gas valve unit with a torque wrench to the firmness of 275 NmTighten the two fan nuts with a torque wrench to the firmness of 38 Nm
Fig38 Disconnecting the fan
AD-3001178-01
1
3
4
2
5
Fig39 Checking the non-return valve
AD-3001181-01
2x
68
7
9
7 Maintenance
42 Gas 120 ACE 7717202 - v03 - 24062019
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
8 Decommissioning
81 Decommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
To switch off the boiler temporarily or permanently proceed as follows
1 Switch the boiler off2 Cut the electrical power to the boiler3 Close the gas valve on the boiler4 Drain the central heating system or ensure frost protection5 Close the door of the boiler to prevent air circulating inside it6 Remove the pipe connecting the boiler to the chimney and close the
nozzle with a plug
82 Recommissioning procedure
CautionOnly qualified professionals are authorised to carry out maintenance work on the boiler and the heating system
Should it prove necessary to carry out the recommissioning of the boiler proceed as follows
1 Re-establish electrical power to the boiler2 Fit and check the flue gas pipe3 Fill the siphon with water4 Fill the central heating system5 Open the boiler gas valve6 Start up the boiler
8 Decommissioning
7717202 - v03 - 24062019 Gas 120 ACE 43
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
9 Disposal and recyclingCautionOnly qualified professionals are permitted to remove and dispose of the boiler in accordance with local and national regulations
If you need to remove the boiler proceed as follows
1 Switch off the boiler2 Cut the power supply to the boiler3 Close the main gas valve4 Close the water mains5 Close the gas valve on the boiler6 Drain the installation7 Remove the airflue gas pipes8 Disconnect all pipes9 Dismantle the boiler
Fig40
MW-3000179-03
9 Disposal and recycling
44 Gas 120 ACE 7717202 - v03 - 24062019
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
10 Environmental
101 Energy savings
Energy-saving advice
Do not block ventilation outletsDo not cover the radiators Do not hang curtains in front of the radiatorsInstall reflective panels behind the radiators to prevent heat lossesInsulate the pipes in rooms that are not heated (cellars and lofts)Close the radiators in rooms not in useDo not run hot (or cold) water pointlesslyInstall an energy-saving shower head which can save up to 40 energyTake showers rather than baths A bath consumes twice as much water and energy
102 Room thermostat and settings
Various models of room thermostat are available The type of thermostat used and the parameter selected impact total energy consumption
A modulating regulator which may be combined with thermostatic valves is eco-friendly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is locatedComplete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be openedclosed progressivelySet the room thermostat to a temperature of approximately 20degC to reduce heating costs and energy consumptionLower the thermostat setting to approximately 16degC at night or when you are not at home This reduces heating costs and energy consumptionLower the thermostat setting well before airing the roomsSet the water temperature to a lower level in summer than in winter (eg 60degC and 80degC respectively) when an ONOFF thermostatis usedWhen clock thermostats and programmable thermostats are to be set do not forget to take any holidays and days when no one is at home into account
10 Environmental
7717202 - v03 - 24062019 Gas 120 ACE 45
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
11 Warranty
111 General
We would like to thank you for buying one of our appliances and for your trust in our productIn order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintainedYour installer and our service department can assist with this
112 Terms of warranty
The following provisions do not affect the application in favour of the buyer of the legal provisions with regard to hidden defects that are applicable in the buyers countryThis appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installers invoiceThe warranty period is stated in our price listAs a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not installed correctly (it is your responsibility to ensure that installation is carried out by a qualified installer)In particular we cannot be held liable for material damage intangible losses or physical injury resulting from an installation that does not comply with
Legal or regulatory requirements or provisions laid down by the local authoritiesNational or local regulations and special provisions relating to the installationOur manuals and installation instructions in particular in terms of regular maintenance of the appliances
Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costsOur warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or maintenance a mains supply that is not appropriate or the use of unsuitable or poor quality fuelSmaller parts such as motors pumps electrical valves etc are guaranteed only if these parts have never been dismantledThe rights established in European Directive 9944EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force
11 Warranty
46 Gas 120 ACE 7717202 - v03 - 24062019
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
12 Spare parts
121 General
If inspection or maintenance work bring to light the need to replace a component in the boilerProvide the reference number given in the spare parts list when ordering a spare part
CautionOnly genuine spare parts may be used
122 Spare parts lists
1221 Exchanger
Fig41
MW-6000743-01
811x
7
7
4
2
16
3
10
119
65
1
13
12
18
14
19
15
18
17
Tab27
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
1 7699615 Complete exchanger x 1 7699614 Complete exchanger x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 47
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Markers Reference Description Gas 120 ACE - 65
Gas 120 ACE - 90
Gas 120 ACE - 115
2 S101564 Exchanger front plate x x x3 S54731 Exchanger inspection hatch insulation x x x4 S57241 Exchanger inspection hatch gasket x x x5 S100052 M4x10 self-locking screw (x20) x x x6 S54754 FURQ65 burner x 6 S57477 FURQ85 burner x x7 7623837 Set of 10 k NTC sensors x x x8 S54755 M6 nut (x20) x x x9 7659755 M4x10 screw (x10) x x x10 S53489 Electrode gasket (x10) x x x11 7692359 Ignition electrode x x x12 7631936 Flue gas flow pipe diameter 100 mm x x x13 7624643 NTC 2x20 k flue gas sensor with gasket x x x14 7624619 Ignition transformer x x x15 S56987 ZP M6x16 screw (x10) x x x16 7616253 Valve with support x x x17 7680596 Exchanger bracket x 17 7673616 Exchanger bracket x x18 7701752 Gasket diameter 100 mm (x5) x x x19 7632708 Earth electric clip (x2) x x x
1222 Gas circuit
Fig42
MW-6000744-01
3
2
5
6
9
4
8
10
7
12
11
1
14
13
13
12 Spare parts
48 Gas 120 ACE 7717202 - v03 - 24062019
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Tab28Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 S101543 Silencer x 1 S101520 Silencer x 1 S101578 Silencer x2 S54777 Venturi gasket (x5) x 2 S59215 Gas valve-venturi gasket (x5) x 2 S101593 Gaskets (kit) x3 S101726 Fan RG 1481200-3633 x x 3 S100036 Fan RG 148 1200-3633-010202 x4 S101596 Gas valve VK4115v1386 x 4 S101597 Gas valve VK4115vb1012 x 4 S101510 Gas valve GB-ND 057 XP x5 S54766 Venturi x 5 S57488 Venturi x 5 S101595 Venturi VMS 45900450-010 x6 S59215 Gas valve-venturi gasket (x5) x x 7 S57827 Gas valve unit flange x8 S57828 268x22x25 O-ring (x5) x9 S101631 Diaphragm x10 7616249 Flue gas sensor cap (5x) x x x11 S56155 238x177x2 gasket (x20) x x x12 95760050 C HC M4-12 88 ZN3 screw x x x13 S48512 M5-10 screw (x10) x x x14 S101590 Silencer retaining clip x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 49
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
1223 Hydraulic circuit
Fig43
MW-6000745-01
1
14
6
9
11
8
12
5
37
9
10
2
4
13
Tab29Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7680598 Complete flow pipe x 1 7670807 Complete flow pipe x x2 7672557 Complete return pipe x x x3 7674076 Complete gas pipe x 3 7680434 Complete gas pipe x 3 7670720 Complete gas pipe x4 7698560 HUBA G38 pressure gauge x x x5 94994712 PVC pipe diameter 16x12 x x x6 7699357 Water deflector diameter 100 mm x x x7 94902073 Drain valve 12 x x x8 94918138 Air vent x x x9 95013064 44x32x2 mm green gasket x x x10 95013060 24x17x2 mm green gasket x x 10 95013062 30x21x12 mm green gasket x11 7692329 Condensate hose x x x13 7706103 Assembled siphon height 160 mm x 13 7706038 Assembled siphon height 250 mm x x14 7103731 Condensate drain pan gasket x x x
12 Spare parts
50 Gas 120 ACE 7717202 - v03 - 24062019
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
1224 Boiler body
Fig44
MW-6000746-01
2
2
1
6
3
34
5
4
Tab30Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7686377 Assembled frame x 1 7686139 Assembled frame x x2 7679958 117x34 handle diameter 65 mm x x x3 7676037 Wheel x x x4 7688301 Frame lateral gasket x 4 7688008 Frame lateral gasket x x5 7688353 Front panel gasket x 5 7688007 Front panel gasket x x6 7693874 R4-05 front panel lock x x x
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 51
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
1225 Casing
Fig45
MW-6000747-01
2
1
6
5
2
8
7
8
7
4
11
3
9
10
Tab31Markers Reference Description Gas 120
ACE - 65Gas 120 ACE - 90
Gas 120 ACE - 115
1 7701400 Complete front panel x 1 7701417 Complete front panel x x2 S100419 Casing handle x x x3 7701326 Top panel x 3 7701326 Top panel x x4 7701403 Complete front top panel x 4 7701403 Complete front top panel x x5 7701377 Side panel right x 5 7701440 Side panel right x x6 7701378 Side panel left x 6 7701441 Side panel left x x7 7702298 Black plug diameter 159 mm x x x8 7697418 Unlocking guide x x x9 7673627 100150 mm concentric adapter - PPSAluminium x x x10 7700395 100150 mm flue gas outletair supply x x x11 7676213 Cable support x x x
12 Spare parts
52 Gas 120 ACE 7717202 - v03 - 24062019
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
1226 Boiler PCB housing
Fig46
MW-6000748-02
1
7
11
3
104
9
8
5
26
Tab32Markers Reference Description1 7673447 PCB unit2 7673548 PCB unit cover3 7616673 CSU-01 configuration key4 7685144 230 V internal cable harness5 7685823 24 V internal cable harness + sensor6 7654253 24 V lighting system7 7697709 CU-GH-08 PCB8 7608040 Traction arrester device (x10)9 7643731 Cable way10 7721882 Ferrite to clip WE 7427122211 7720834 AC electronic filter
12 Spare parts
7717202 - v03 - 24062019 Gas 120 ACE 53
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
13 Appendix
131 Package fiche - Boilers
Fig47 Package fiche for boilers indicating the space heating energy efficiency of the package
AD-3000743-01
1
lsquoIrsquo
2
+
3
( - lsquoIrsquo ) x 01 = plusmn
4
(lsquoIIIrsquo x + lsquoIVrsquo x ) x 09 x ( 100) x = +
(1)
A = 095 A = 091
B = 086 C = 083
D - G = 081
5
( - lsquoIrsquo ) x lsquoIIrsquo = +
6
05 x 05 x = -
54
lt30
G F E D C B A A+
A++
A+++
+ (50 x lsquoIIrsquo) =
7
7
from fi che of solar device
Solar contribution AND Supplementary heat pump
Solar contribution
The energy effi ciency of the package of products provided for in this fi che may not correspond to its actual energy effi ciency once installed
in a building as this effi ciency is infl uenced by further factors such as heat loss in the distribution system and the dimensioning of the
products in relation to building size and characteristics
Boiler and supplementary heat pump installed with low temperature heat emitters at 35degC
Seasonal space heating energy effi ciency class of package
Seasonal space heating energy effi ciency of package
OR
Seasonal space heating energy effi ciency (in ) Supplementary heat pump
Tank rating
Collector effi ciency (in
)
Tank volume (in msup3) Collector size (in msup2)
Seasonal space heating energy effi ciency (in ) Supplementary boiler
Class I = 1 Class II = 2 Class III = 15
Class IV = 2 Class V = 3 Class VI = 4
Class VII = 35 Class VIII = 5
Temperature control
Seasonal space heating energy effi ciency of boiler
(1) If tank rating is above A use 095
select smaller value
from fi che of heat pump
from fi che of heat pump
from fi che of boiler
from fi che of temperature control
13 Appendix
54 Gas 120 ACE 7717202 - v03 - 24062019
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
I The value of the seasonal space heating energy efficiency of the preferential space heater expressed in
II The factor for weighting the heat output of preferential and supplementary heaters of a package as set out in the following table
III The value of the mathematical expression 294(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
IV The value of the mathematical expression 115(11 Prated) whereby lsquoPratedrsquo is related to the preferential space heater
Tab33 Weighting of boilersPsup (Prated + Psup)(1)(2) II package without hot water storage tank II package with hot water storage tank0 0 001 03 03702 055 07003 075 08504 085 09405 095 09806 098 100ge 07 100 100
(1) The intermediate values are calculated by linear interpolation between the two adjacent values(2) Prated is related to the preferential space heater or combination heater
Tab34 Package efficiencyBrand name - Product name Product A Product B Product C Product DTemperature control X 90 92 95 97Temperature control Y 92 95 97 99
132 Product fiche - Temperature Controls
Tab35 Product fiche for temperature controlsRemeha - Gas 120 ACE HMI T-controlClass IIContribution to space heating energy efficiency 2
133 Product fiche
Tab36 Product fiche for boiler space heaters Gas 120 ACE -
65Gas 120 ACE - 90
Gas 120 ACE - 115
Seasonal space heating energy efficiency class A
(1) (1)
Rated heat output (Prated or Psup) kW 62 84 104Seasonal space heating energy efficiency 94 - -Annual energy consumption GJ 190 - -Sound power level LWA indoors dB 55 61 60
(1) No ErP information needs to be provided for heating boilers above 70 kW
SeeFor specific precautions about assembling installing and maintaining See Safety
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 55
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
13 Appendix
56 Gas 120 ACE 7717202 - v03 - 24062019
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
13 Appendix
7717202 - v03 - 24062019 Gas 120 ACE 57
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
13 Appendix
58 Gas 120 ACE 7717202 - v03 - 24062019
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
copy CopyrightAll technical and technological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
-
- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
-
- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
-
- 2 Symbols used
-
- 21 Symbols used in the manual
- 22 Symbols used on the appliance
-
- 3 Technical specifications
-
- 31 Homologations
-
- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
-
- 32 Technical data
-
- 321 ErP technical parameters
- 322 Circulating pump (not provided)
-
- Circulating pump
-
- 323 Sensor specifications
-
- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
-
- 33 Dimensions and connections
- 34 Electrical diagram
-
- 341 Electrical diagram of boiler
-
- 4 Description of the product
-
- 41 General description
- 42 Operating principle
-
- 421 Gasair setting
- 422 Settings and safety devices
-
- 43 Main boiler components
- 44 PCBs
-
- 441 Description of the CU-GH-08 PCB
-
- 45 Standard delivery
- 46 Accessories amp options
-
- 5 Installation
-
- 51 Installation regulations
- 52 Choice of the location
-
- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
-
- Recommended positions
- Positions to be avoided
-
- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
-
- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
-
- 56 Gas connection
-
- 561 Gas supply
-
- 57 Air supplyflue gas outlet connections
-
- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
-
- Fastening the coaxial pipes
-
- 6 Operation
-
- 61 Settings
-
- 7 Maintenance
-
- 71 General
- 72 Specific maintenance operations
-
- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
-
- 8 Decommissioning
-
- 81 Decommissioning procedure
- 82 Recommissioning procedure
-
- 9 Disposal and recycling
- 10 Environmental
-
- 101 Energy savings
- 102 Room thermostat and settings
-
- 11 Warranty
-
- 111 General
- 112 Terms of warranty
-
- 12 Spare parts
-
- 121 General
- 122 Spare parts lists
-
- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
-
- 13 Appendix
-
- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
-
Remeha BV
Marchantststraat 55
7332 AZ Apeldoorn
PO Box 32
7300 AA Apeldoorn
NL T +31 (0)55 549 6969
F +31 (0)55 549 6496
E remeharemehanl
Uw leverancier Votre fournisseur Ihr LieferantBE
Walter Boumlsch KG
Industrie Nord
6890 Lustenau
AT T +43 5577 81310
F +43 5577 8131250
E infoboeschat
Cipag SA
Zone Industrielle
1070 Puidoux-Gare
CH T +41 21 9266666
F +41 21 9266633
E contactcipagch
Bergen sro
Karlickaacute 937
153 00 Praha 5 - Radotiacuten
CZ T +420 257 912 060
F +420 257 912 061
E infobergencz
Remeha GmbH
Rheiner Strasse 151
48282 Emsdetten
DE T +49 25572 9161 - 0
F +49 25572 9161 - 102
E inforemehade
Scanboiler Varmeteknik AS
Vangvedvaelignget 1
8600 Silkeborg
DK T +45 86 82 63 55
E infoscanboilerdk
Ecotherm Energy SL
Berreteaga Bidea 19
48180 Loiu
ES T +34 94 471 03 33
F +34 94 471 11 52
E inforemehaes
EST Systems Oy
Kujamatintie 16
48720 Kotka
FI T +358 50 554 3068
E toimistoestsystemsfi
Marketbau - Remeha Kft
Gyaacuter u 2
2040 Budaors
HU T +36 23 503 980
F +36 23 503 981
E remeharemehahu
Euro Gas Ltd
Unit 38 Southern Cross Business Park
Wicklow
IE T +353 12868244
F +353 12861729
E saleseurogasie
Revis Srl
Via Trieste 4a
31025 Santa Lucia di Piave (TV)
IT T +39 0438 7019 07
F +39 02 360 285 83
E infore-visit
Remeha SRL
Str Padin Nr 9-13
Scara 5 Ap 53 Judejul Cluj
Cluj-Napoca
RO T +40 74 6170 515
F +40 26 4421 175
E remeharemehacazanro
Green Building
Temerinska 57
21000 Novi Sad
RS T +381 21 47 70 888
F +381 21 47 70 888
E infogreenbuildingrs
RES Enerji Sistemleri AS
Barbaros Bulvari No 522
Besiktas - ISTANBUL
TR T +90 212 356 06 33
F +90 212 275 00 62
E inforesenerjicom
Remeha Commercial UK
Innovations House
3 Oaklands Business Centre
Oaklands Park
RG41 2FD Wokingham
UK T +44 (0)118 978 3434
F +44 (0)118 978 6977
E boilersremehacouk
7717202 - v03 - 24062019
7717202-001-03
- Contents
- 1 Safety
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- 11 General safety instructions
- 12 Recommendations
- 13 Liabilities
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- 131 Manufacturers liability
- 132 Installers liability
- 133 Users liability
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- 2 Symbols used
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- 21 Symbols used in the manual
- 22 Symbols used on the appliance
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- 3 Technical specifications
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- 31 Homologations
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- 311 Directives
- 312 EC Declaration of Conformity
- 313 Gas categories
- 314 Certifications
- 315 Factory test
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- 32 Technical data
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- 321 ErP technical parameters
- 322 Circulating pump (not provided)
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- Circulating pump
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- 323 Sensor specifications
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- Outside temperature sensor specifications
- Boiler sensor return sensor
- Circuit flow sensor domestic hot water sensor and system sensor
- Specifications of the boiler flue gas sensor
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- 33 Dimensions and connections
- 34 Electrical diagram
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- 341 Electrical diagram of boiler
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- 4 Description of the product
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- 41 General description
- 42 Operating principle
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- 421 Gasair setting
- 422 Settings and safety devices
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- 43 Main boiler components
- 44 PCBs
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- 441 Description of the CU-GH-08 PCB
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- 45 Standard delivery
- 46 Accessories amp options
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- 5 Installation
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- 51 Installation regulations
- 52 Choice of the location
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- 521 Data plate
- 522 Space required - Boiler ventilation
- 523 Ventilation
- 524 Fitting the outdoor sensor
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- Recommended positions
- Positions to be avoided
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- 53 Transport
- 54 Unpacking and preparing the boiler
- 55 Hydraulic connections
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- 551 Water treatment
- 552 Flushing new installations and installations less than 6 months old
- 553 Flushing an existing installation
- 554 Connecting the heating circuit
- 555 Connecting the condensate discharge pipe
- 556 Filling the siphon
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- 56 Gas connection
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- 561 Gas supply
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- 57 Air supplyflue gas outlet connections
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- 571 Classification
- 572 Lengths of the airflue gas pipes
- 573 Dimensions of flue gas outlet pipe
- 574 Connection to the flue gas pipe
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- Fastening the coaxial pipes
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- 6 Operation
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- 61 Settings
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- 7 Maintenance
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- 71 General
- 72 Specific maintenance operations
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- 721 Cleaning the siphon
- 722 Checking the ionisation current
- 723 Replace the ionizationignition electrode
- 724 Servicing the forced flue connection pipes
- 725 Checking the burner and cleaning the heat exchanger
- 726 Checking the non-return valve
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- 8 Decommissioning
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- 81 Decommissioning procedure
- 82 Recommissioning procedure
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- 9 Disposal and recycling
- 10 Environmental
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- 101 Energy savings
- 102 Room thermostat and settings
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- 11 Warranty
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- 111 General
- 112 Terms of warranty
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- 12 Spare parts
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- 121 General
- 122 Spare parts lists
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- 1221 Exchanger
- 1222 Gas circuit
- 1223 Hydraulic circuit
- 1224 Boiler body
- 1225 Casing
- 1226 Boiler PCB housing
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- 13 Appendix
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- 131 Package fiche - Boilers
- 132 Product fiche - Temperature Controls
- 133 Product fiche
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