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INNOVENS PRO boilers can be delivered with the customers choice of oneof the following two control panels:- DIEMATIC iSystem control panel to control and regulate up to 3 heating

circuits + 1 DHW circuit, depending on optional equipment connected,according to the outside temperature. It can also be used to optimisemanagement of combined control systems associated with boilers withiniControl (even DIEMATIC iSystem) and control cascades of 2 to 10 boilers(see page 16).

-iniControl for operation either according to outside temperature (sensor

optional), or through the 0-10V contact fitted to this panel as standard. Itcan also be used as a secondary boiler as part of a cascade installationcontrolled by a boiler with the DIEMATIC iSystem control panel or in acascade system in which each boiler is controlled in 0-10V (see page 18).

Various air/flue gas connection configurations are possible: we offersolutions for connection by horizontal or vertical forced flue, to a chimneyor in bi-flow.Complete hydraulic systems for connecting 2 to 10 boilers in cascade arealso available; the 2- to 4-boiler versions are presented in this brochure.

CONDITIONSOFUSEMax. operating pressure: 4 barMax. operating temperature: 90CSafety thermostat: 110CPower supply: 230 V/50 HzProtection index: IPX4D

HOMOLOGATIONB23P - C13x - C33x - C93x - C53

W A L L - H U N G G A S C O N D E N S I N G B O I L E R S

MCA 45: from 8.9 to 43 kW for heating only


MCA 90: from 15.8 to 89.5 kW for heating only


Heating and domestic hotwater by independentcalorifier

Condensing

All natural gasesPropane

EC identification No:0063CL3333

MCA 45, 65, 90 or 115

INNOVENS PRO MCA

;=:50.?

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2

PRESENTATION

MODELS AVAILABLE

MCA 45 to 115 wall-hung condensing gas boilers offer aresolutely modern aesthetic in line with the Innovens range anda meticulous finish. With compact external dimensions (500 x 500x 750 mm for all models) and less weight, MCA boilers are verysimple to install and offer easy maintenance and accessibility.

THEYOFFERHIGHLEVELSOFPERFORMANCE:- Annual operating efficiency up to 110%- Low pollutant emissions: MCA 45: NOx < 37 mg/kWh, MCA 65: NOx < 32 mg/kWh, MCA 90: NOx < 45 mg/kWh, MCA 115: NOx < 46 mg/kWh,

- NOx classification:5 according to: - EN 483 (MCA 45, MCA 65)

- pr EN 15420 (MCA 90, MCA 115)

STRONGPOINTS:- Compact, one-piece heating body in aluminium/

silicium alloy with a large exchange surface and low waterresistance, offers considerable resistance to corrosion andrequires only a very low irrigation flow rate (unless operating> 75C) thanks to the burner control system, which managesthe transitional phases in the installation which cause verylow flow rates in the boiler. Its accessibility from the frontfacilitates maintenance,

- Pre-mix burner in stainless steel with surface in wovenmetal fibres, modulating from 18 to 100% of the output forperfect adaptation to needs, fitted with an air intake silencer.Low CO and NOx emissions allowing optimal environmentalprotection,

- Gas line with non return valve,Equipped to operate on natural gases and propane withoutconversion kit,

- INNOVENS PRO boilers can be delivered with the customerschoice of one of the two control panels:

DIEMATIC iSystem: control panel in which the controlsystem is open to all installation configurations, including themost complex. As delivered, it can be used to control andregulate a direct circuit.With the addition of a sensor, it can be used to regulatea primary circuit with mixing valve; with the addition of aPCB + sensor, it can control a secondary circuit with mixing

valve. Installation of a DHW sensor enables regulationwith priority to a DHW circuit. It is specifically designedto enable the optimisation of management of combinedsystems..This control panel can also be used to control a cascadeinstallation in which only the master boiler is fitted with this

panel, the slave boiler(s) being fitted with an iniControlcontrol panel. To connect more than the three circuitspermitted to the master boiler, it is possible to insert one(or more) additional boilers with DIEMATIC iSystem controlpanel in the cascade

iniControl: is used mainly in installations (whether in cascadeor not) with external control cabinet for controlling allsecondary circuits through the 0-10V contact fitted to thispanel as standard. The panel can also be used alone tocontrol a direct circuit + 1 DHW circuit through an outsidetemperature sensor (outside and DHW sensors available asoptions),

- Numerous items of equipmentsuch as automatic air vent

accessible from the outside, vent cylinder, flue gas dischargepipe in PPS, air/flue gas connection unit with measuringpoint, mains connection plug, inside lighting, connection cablefor heating pump,

- Complete cascade hydraulic systems for two and up to tenboilers for installations ranging from 80 to 1070 kW (the 2- to4-boiler versions are presented in this brochure: see page 12),

- A variety of options facilitating the implementation of theseboilers as much as possible: hydraulic connection kit include outlet/return valve, gas

valve, safety valve, filling valve, heating pump or primary pump, decoupling cylinder,

condensate neutralisation tank, etc

boiler BP/BL tank with load pump- For thevarious air/flue gas connection options

(see page 15).

Boiler Control panelModel

INNOVENS PROPower range

(kW)

MCAA_Q0

018

For heating only(possibility to connect a DHWtank through a connection kitwith load pump (option))

at 50/30C at 80/60C

DIEMATIC iSystem MCA 45 iSystem

MCA 65 iSystem

MCA 90 iSystem

MCA 115 iSystem

8.9 to 43.0

13.3 to 65.0

15.8 to 89.5

18.4 to 114.0

8.0 to 40.0

12.0 to 61.0

14.1 to 84.2

16.6 to 107.0

iniControl MCA 45 iniControl

MCA 65 iniControl

MCA 90 iniControl

MCA 115 iniControl

8.9 to 43.0

13.3 to 65.0

15.8 to 89.5

18.4 to 114.0

8.0 to 40.0

12.0 to 61.0

14.1 to 84.2

16.6 to 107.0

MCA_Q

0010

MCA_Q

0019

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TECHNICAL SPECIFICATIONS

DESCRIPTION

Flow temperature sensor

Gas line withnon-return valve

Air/flue gas connectionwith measuring point

Ionization/ignition electrode

Flame inspectionwindow

Heating bodyinspection trap

Flue gas dischargepipe (in PPS)

Monoblock heatingbody in aluminium/silicium alloy

Control panel- DIEMATIC iSystem: see p. 6- iniControl: see p. 8

Return temperaturesensor

Fan

Venturi premix

Bleeding bottle

Air intake silencer

Box with the control PCBs

MCA_Q

0017

Gas safety unit

Detail heating body in aluminium/silicium alloy

MC35E_Q

0005

View of the underneath of the boiler

MCA_Q

0020

Connection cableto the mains

Cable routing forconnecting the heatingpump

Heating flow and return Gas inlet

Location forconnection of the siphon

MCA_Q

0011

Detail of the boilers internal lighting

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TECHNICAL SPECIFICATIONS

TECHNICALSPECIFICATIONS

Type generator: heating onlyBoiler type: condensingBurner: modulating with complete premixing

Energy used: natural gas or propaneCombustion evacuation:

chimney or forced flue

Min. flow temperature: 20CMin. return temperature: 20CRef. CE certificate: 0063CL3333

Boiler

Boiler type MCA 45 65 90 115

Useful output at 50/30C Pn kW 43 65 89.5 114

Efficiency 100% Pn at average temp. 70C % 97.2 98.3 97.9 96.6

at % output 100 % Pn at return temp. 30C % 102.9 104.6 104.1 102.5

and C water temp. 30 % Pn at return temp. 30C % 107.7 108.9 108.1 107.1

Nominal water flow at Pn, 6t = 20 K m3/h 1.72 2.62 3.62 4.60

Auxiliary electrical power at Pn/Pmin (without circul. pump) W 68/18 88/23 125/20 199/45

Min./max. useful output at 50/30C kW 8.9-43 13.3-65.0 15.8-89.5 18.4-114

Min./max. useful output at 80/60C kW 8-40 12-61 14.1-84.2 16.6-107

Min./max. flue gas mass flow rate kg/h 14/69 21/104 28/138 36/178

Pressure available at the boiler outlet Pa 150 100 160 220

Water content l 5.5 6.5 7.5 7.5

Min. necessary water flow (*) m3/h 0.4 0.4 0.4 0.4

Water resistance at 6t = 20 K mbar 90 130 140 250

Gas flow natural gas H m3/h 4.4 6.6 9.1 11.7

(15C-1013 mbar) propane m3/h 1.7 2.5 3.5 4.7

Net weight kg 53 60 68 69(*) in the event of operating > 75C, the minimum flow is calculated 6t = 45 K

MAIN

DIMENSIONS

(IN

MM

AND

INCHES

)

8

8

44

9

6

6

22

Heating outlet R 1 1/4 Gas inlet R 3/4

Heating return R 1 1/4

Condensates drain (siphon and flexible drain,

external 25 mm, provided)

Evacuation of combustion products and air inletpipe:

- 80/125 mm for MCA 45

- 100/150 mm for MCA 65, 90 and 115

MCA 45, 65, 90, 115

MCA_F

0048

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CHOICE OF CONTROL PANEL

The control panel is chosen according to the installation to be constructed

INSTALLATIONWITHASINGLEBOILER

INSTALLATIONWITHBOILERSINCASCADE (2 TO 10 BOILERS)

2 types of control panel are possible:

With control panel iniControl:

With DIEMATIC-iSystem control panel for the first boiler in the cascade (master boiler) and 1 iniControl panel for each of the slaveboilers:

- for installations with control cabinet in 0-10 V in the boiler room- for controlling a single direct circuit without hourly programmingOption:outside sensor

All of the boilers (as many as 10) will be connected using the 0-10 V contact to a controlcabinet in the boiler room, which will manage all secondary circuits (see p. 19).

- for controlling a circuit:

direct

M

valve

M

direct + 1 valve

M M

2 x valve

M M

direct + 2 x with valve

Options:

as standard 1 outlet sensor

AD 199

1 outlet sensor

AD 199

1 outlet sensorAD 199

+ 1 PCB+ sensor AD 249

1 outlet sensor AD 199


iniControl

DIEMATIC-iSystem

MCAiniControl

MCAiniControl

MCAiniControl

Boiler 1MCA iSystem

(master)

Boilers 2 to 10MCA iniControl

(slave)

0-10 V

- for controlling a circuit:

direct

M

valve

M

direct + 1 valve

M M

2 x valve

M M

direct+ 2 x with valve

Option:

as standard 1 outlet sensorAD 199




1 outlet sensor AD 199


no additional secondary circuits can be connected to the iniControl panel (1)

iniControl

DIEMATIC-iSystem

(1) To connect more than three heating circuits to an installation in cascade, it will be necessary to replace one ofthe MCA iniControl boilers in the cascade with one (or more depending on the number of additional circuits tobe managed) MCA iSystem boilers (see example of hydraulic diagram on page 19).

DHW PRODUCTIONiniControl and DIEMATIC iSystem control panels include the priority of DHW production and can be completed with 1 DHW sensor-package AD 212 to control an independent calorifier.

MCA

BUS

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CONTROL PANEL DIEMATIC iSystem

CONTROLPANELDIEMATICiSystem

The DIEMATIC iSystemcontrol panel is a very advancedcontrol panel, with new control ergonomics which includeselectronic programmable regulation as standard to modulatethe boiler temperature by activating the modulating burner

according to the outside temperature and the room temperatureif a CDI D.iSystem, CDR D.iSystem or simplified interactive remotecontrol is connected (optional).As standard, DIEMATIC iSystem is capable of automaticallyoperating a central heating installation with a direct circuitwithout mixing valve and 1 circuit with mixing valve (the flowsensor - package AD 199 - must be ordered separately,however).By connecting another PCB + sensor for 1 valve circuit option(package AD 249), it is therefore possible to control up to 3circuits in total and each of these circuits can be fitted with a CDIor CDR D.iSystem remote control (optional).

Connection of a domestic hot water sensor makes it possible toprogramme and regulate a DHW circuit (package AD 212 -optional).This control system has been specifically developed to enable

optimum management of systems combining variousheating generators (boiler + heat pump or + solar system).It allows the installer to set the parameters for the entire heatinginstallation regardless of its degree of complexity.In the context of larger installations, it is also possible to connect2 and as many as 10 boilers in cascade.The DIEMATIC iSystem control panel will then be used as themaster for the installation, the secondary boilers being fitted withthe iniControl control panel. To connect more than the threecircuits possible to the master boiler, make provision for a second(or further) boilers with DIEMATIC iSystem in the cascade.

G000029-02

DIEMATIC iSystem CONTROLPANELOPTIONS

851

8Q022

GT220_Q0002

Domestic hot water sensor -Package AD 212

Outlet sensor downstream of the valve-Package AD 199

This is used for regulating the DHW temperature asa priority and programming of domestic hot waterproduction with an independent calorifier.

This sensor is required to connect the first circuitwith mixing valve to a boiler fitted with a DIEMATICiSystem control panel.

Temperature settingkey (heating, DHW,swimming pool)

Selection key for theheating, Summer and WinterDHW and Auto operatingmodes depending on theprogramme, Day, Night,Holidays, Manual

Forced load key for DHWproduction

Large LCD display

On/Off switch

Key- To access the various menusor parameters,

- For programming, reset,which vary as selectionsare made

Rotary setting button and push button:- By turning it, you can scroll down themenu or modify a value

- By pressing it, you can confirm aselection or value modification

MCA_Q

0013

PCB + sensor for 1 mixing valve - Package AD 249

This is used to control a mixing valve with anelectromechanical or electrothermal motor. ThePCB is inserted into the DIEMATIC iSystem panelconnected by pin connections. DIEMATIC iSystem

can receive 1 PCB + sensor option, enabling it tocontrol 1 additional mixing valve.

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CONTROL PANEL DIEMATIC iSystem

DIEMATIC iSystemCONTROLPANELOPTIONS

8575Q037

8666Q174

Simplified remote control with room sensor - Package FM 52

Room sensor - Package AD 244

This is used from the room in which it is installedto override certain instructions from the DIEMATICiSystem panel:

- room temperature program and instructionoverride. It is also used to enable the self-adaptability of the heating curve for the circuitconcerned (1 remote control per circuit).

A room sensor is connected to activate the comfortperiod start-up optimisation function from the roomin which it is installed. It is also used to enable the

self-adaptability of the heating curve for the circuitconcerned (1 sensor per circuit).

CDI D. iSystem interactive remote control - Package AD 254CDR D. iSystem interactive radio remote control (without transmitter/receiver radio) - Package AD 253Radio boiler module DIEMATIC iSystem (transmitter/receiver) - Package AD 252

These are used to override all instructions from theDIEMATIC iSystem control panel from the room inwhich they are installed. In addition, they enablethe self-adaptability of the heating regime forthe circuit concerned (one CDI D.iSystem or CDRD.iSystem per circuit).

In the case of the CDR D.iSystem, the data aretransmitted by radio waves from the place wherethe CDR D.iSystem is installed to the transmitter/receiver box (package AD 252) placed close to theboiler.

8666Q172A

CALEN

TA_Q

0005

AD 253/254

AD 252

8227Q020

BUS connection cable (length 12 m) - Package AD 134

The BUS cable is used to make the connectionbetween 2 boilers fitted with the DIEMATIC iSystemor iniControl control panel in a cascade installation,

as well as the connection of a DIEMATIC VM controlunit or a telemonitoring network transmitter.

Radio outside temperature sensor -Package AD 251Boiler radio module (radio transmitter)-Package AD 252

The radio outside temperature sensor can bedelivered as optional equipment for systems inwhich the installation of the external wire connectionsensor delivered with DIEMATIC iSystem control

panel would be too complex.

If this sensor is used:- With a wire connection remote control (AD 254 or

FM 52), it is necessary to order the Boiler radiomodule

- With a radio remote control (AD 253), alreadycombined with a boiler radio module (AD 252),control of a second module is not necessary.

8666Q172A

8575Q034

AD 251

AD 252

MCA_Q

0012

Sensor for storage tank - Package AD 250Includes 1 sensor for managing a storage tank witha boiler fitted with a DIEMATIC iSystem controlpanel.

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CONTROL PANEL iniControl

CONTROLPANELiniControl

Large LCD display

On/Off switch

MCA_Q

0019

IniControl CONTROLPANELOPTIONS

8518Q02

2

Domestic hot water sensor - Package AD 212

This is used for regulating the DHW temperature asa priority and programming of domestic hot water

production with an independent calorifier.

8199Q072

Outside sensor - Package AD 122

Allows the management of the circuit heating bymeasuring of the outside temperature.

The iniControl control panel is used to manage a direct circuitand DHW production (without programming). Burner modulationaccording to the outside temperature is activated by connectingthe outside temperature sensor (package AD122 to be

ordered separately).The display of the boiler temperature, the pressure in the heatingnetwork, and the operating status of the generator using symbolsand alphanumeric codes is handled by the large display, whichalso incorporates a flashing alarm function.

To monitor the installation, optional readout of error history andhour run meters. The iniControl control panel also enables boilermanagement through a parameterisable 0-10V signal. In thecase of a cascade installation, the iniControl panel will be fitted

to the secondary boilers linked in series to the master boiler fittedwith the iSystem control panel using the BUS cable (optional).

Key:- to access the various menus or parameters,- Setting and manual reset, which vary as

selections are made

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BOILERS OPTIONS

MC35E_Q0014

3-stage heating pump - MCA 45 - Package HC 141

- MCA 65 - Package HC 143- MCA 90 and MCA 115 - Package HC 145(delivered with 2 joins 1/2 union 11/2-1)

Specifications of the pump UPS 25-60 130 Specif ications of the pump UPS 25-70 130

Flow rate in m3/h

ManometricheightinmCE

,,,

,,

,

Lossofloa

dMCA45

7.6

Flow rate in m3/h


,,,

,,

,

7.

0&$ 0&$

6

Lossofload

MCA90-1

15

Lossofload

MCA90-1

15

Flow rate in m3/h


,,,

,,

,

Lossofloa

dMCA65

7.6

MCA_F

0067

MCA_F

0069A

MCA_F

0068

Specifications of the pump UPS 25-80 130

Hydraulic connection kit + gas valve - Package HC 139

This kit includes:- 1 gas valve Rp 3/4- 1 heating flow valve Rp 1 1/4 including the filling

and draining valve

- 1 heating return valve Rp 1 1/4 with safety valve3 bar and connection for connecting the expansionvessel

MC35E_Q0013

MC35E_

Q0012 Right gas tap Rp 3/4 - Package HC 158

HC 139

MCA_F

0015

Pipe cover - Package HC 242

Provides a neat finish underneath the boiler. Thispackage is not compatible with the connection kitHC 139.

MCA_F

0015

Flue gas thermostat - Package HR 43

This thermostat cuts the boiler when the flue gastemperature exceeds 110C.

MCA_F

0065

Insulation for boiler hydraulic connection kit - Package HC 252Rear insulation for boiler hydraulic connection kit - Package HC 243

Are used to insulate the HC139 pack available asoptional equipment.

HC 252

HC 243

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BOILERS OPTIONS

MC35E_Q0016

Primary pump for MCA 45, 65, 90 and 115 - Package HC 147(delivered with 2 joins 1/2 union 11/2-1)This pump can be used as injection pump in thecascade systems.

Specifications of the pump UPS 25-55 180

Flow rate in m3/h

ManomtricheightmCE

Loss

ofloa

dMCA

45

MCA90-

115

MCA90-

115MCA

65

MCA65

MCA_F

0070

8531Q020

Motorized 3 way valve (Rp 1) - Package HC 15

Allows the connection of a circuit with mixing valve.

H

100mmmaxi

MCA_F

0057A

In addition to the load pump, a non-returnvalve, a manual air vent, this pack also includesstainless steel connection hoses which enable theconnection of an MCA boiler to a DHW tank typeBP/BL, or solar UNO/2, DUO/2 or TRIO tothe right or left of the boiler.

MCA 45, 65, 90 and 115 / BP/BL, UNO/2, DUO/2 or TRIO calorifiers connecting kit -Package EA 121

BP/BL UNO/2, DUO/2, TRIO

H mini 1080 maxi 800 mini

MC35E_Q0015

Modulating electronic heating pump of class A (high performance energy) for MCA 45 - Package HC 142(delivered with 2 joins 1/2 union 11/2-1)

Specifications of the pump ALPHA 2 L 25-60 130

7.

6

Manomtricheight

Pressureavailable

3URSRUFLRQDOSUHVVXUH

3XPSRQ$XWR$GDSWSRVLWLRQ

&RQVWDQWSUHVVXUH

Loss of load MCA 45

MCA_F

0066A

DHW production

De Dietrich B series independent DHW tankswith a capacity of 150 to 1000 litres can be usedfor domestic hot water production for individualand collective residences as well as for industrialand commercial premises. They are lined withfood quality standard high quartz content vitrified

enamel and protected by a magnesium anodefor BP/BL and B 650, and correx imposedcurrent for B 800 and 1000. The specifications andperformances of these tanks are given in the pricecatalogue and the technical booklets.B

L_Q0001A

BL

8962Q001A

8960Q206B

BBP

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CASCADE SYSTEMS

CASCADESYSTEMSOPTIONS

MCA_F

0065

Gas filter - 50 mm for cascade systems from 80 to 428 kW - Package HC 207- 65 mm for cascade systems from 428 to 1 070 kW - Package HC 208

MCA_F

0065

Extension pipe for gas filter - 50 mm for cascade systems from 80 to 428 kW - Package HC 211- 65 mm for cascade systems from 428 to 1070 kW - Package HC 212

To use if the gas filter is mounted on the same side as:- the decoupling cylinder + elbows set (options: see

below),- the decoupling cylinder + his insulation (options:

see below).

MCA_F

0065

Set of elbows 90 - 65 mm for cascade systems from 80 to 428 kW - Package HC 209- 100 mm for cascade systems from 428 to 1 070 kW - Package HC 210

Delivered with gaskets, nuts and bolts enablingconnection of the decoupling cylinder perpendicularto the collector.

MCA_F

0065

Set of counter flanges to be welded - 65 mm for cascade systems from 80 to 428 kW - Package HC 217- 100 mm for cascade systems from 428 to 1 070 kW - Package HC 218

Contains 3 counter flanges: 2 for the installationside of the pressure reduction vessel ( 65 mm

or 100 mm) and 1 for the gas pipe ( 50 mm or65 mm).Delivered with gaskets, nuts and bolts.

MCA_F

0065

Decoupling cylinder insulation - small model for power < 350 kW - Package HC 224- large model for power > 350 kW - Package HC 215

Suitable for vessels with connection 65 or 100 mm.

MCA_F0065

Collector insulation - Package HC 213

Its necessary to order 1 kit insulation by boiler. Nota: in a back to back installation, to be orderedonly for the boilers located at the front.

MCA_F

0065

Boiler connection insulation kit - Package HC 252

Rear insulation of the hydraulic connection pack - Package HC 243

Insulation using a boiler connection pack is necessary.

Used to insulate the rear of the pack, insulation usinga pack is necessary.

MCA_F

0065

Insulation 90 elbow - Package HC 216

Suitable for 65 and 100 mm elbows.

MCA_F

0065

Adjustable foot - Package HC 219

Is used for linear LV or back to back RGinstallations if the floor is uneven.

Alignment on-line, on the floor LV back to back RG

Number of boilers 2 3 4 5 6 7 3 4 5 6 7 8 9 10

Number of necessary feet 5 6 8 9 11 12 7 7 8 8 11 11 12 12

INSTALLATIONOFANMCA BOILERONAN LV OR RG CASCADESYSTEMCOMPOSEDOFEXISTINGMC BOILERS

MCA_F

0065

MCA mounting rail on an MC cascade system - Package HC 245

This rail is hooked on to the base frame of theexisting cascade system (LV floor alignment orRG back to back only) and is used to align the

base of the new MCA boiler with the other boilersin the cascade and to make the hydraulic connectionwithout modifying the existing pack.

HC 252

HC 243

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INFORMATIONS REQUIRED FOR INSTALLATION

STATUTORYINSTRUCTIONSONINSTALLATIONANDMAINTENANCEThe installation and maintenance of the appliance in bothresidential buildings and establishments open to the public must

be carried out by a qualified professional in compliance with thestatutory texts of the codes of practice in force.

LOCATION MCA 45 and 65:

MCA 45 and 65 condensing boilers must be installed in premisesprotected from frost, which can also be ventilate, they must in noevent be installed above a heat source or a cooking appliance.The IPX4D protection index enables them to be installed inkitchens and bathrooms, excluding protection volumes 1 and 2,however. The wall to which the boiler is secured must be capableof bearing the weight of the boiler when full of water.In order to ensure adequate accessibility around the boiler, werecommend that you respect the minimum dimensions givenopposite.

Ventilation (chimney connection only B23P):

The cross-section of the boiler room ventilation (through whichcombustive air is taken in) must comply with the prevailingstandard.

NB:For boilers connected to a concentric forced flue (typeC13x or C33x connections) ventilation of the installation premisesis not necessary, unless the gas supply includes one or moremechanical connections (cf. prevailing standard).

MCA 90 and 115:As for the MCA 90 and 115 boilers, they will be installed inaccordance with the rules on installation in mini-boiler roomsoutside the residential space, in a dedicated room. The rules oninstallation of (horizontal or vertical) terminals should also be

respected - see page 16.

400mini

750

530mini

350mini

mini

mini10

00

mini15

00

250mini

150

S1

S2

S2

S1

MCA_F

0050

MCA 45 and 65:S1 and S2:free sections of:- 600 cm2 (in connect. B23)- 150 cm2 (in connect. C13x, C33x, C93x,

C53)

Ventilation:Direct air inlet according to the prevailing standardTop and bottom ventilation vents mandatory- Top ventilation:

Cross section equal to half of the total cross section of the fluegas conduits with a minimum of 2.5 dm2

- Bottom ventilation:Direct air inlet

S (dm2) 0.86 P with P = Installed output in kW

20

The location of air inlets in relation to the top ventilationopenings will ensure that air is renewed in the entire volume ofthe boiler room.See also recommendations in the Flue Systems booklet.

GASCONNECTIONCompliance with prevailing instructions and regulations ismandatory. In all cases, a sectional valve is fitted as close aspossible to the boiler. This valve is delivered in the hydraulicconnection kits available as optional equipment (see p. 9). A gasfilter must be fitted to the boiler inlet.

The diameters of the pipes must be defined according to theprevailing regulations.Gas supply pressure:- 20 mbar on natural gas H,- 37 mbar on propane.

Certificate of conformity

The installer is required to draw up a certificate of conformityapproved by the ministers responsible for construction and gassafety.

ELECTRICALCONNECTIONThis must comply with the prevailing national or even localinstructions and regulations.The boiler must be powered by an electrical circuit comprisingan omnipolar switch with an opening gap > 3 mm. Protect theconnection to the mains with a 6A fuse.

Note:- The sensor cables must be separated from the 230 V circuits by

at least 10 cm- In order to protect the pump antifreeze and cleaning functions,

we recommend not switching off the boiler at the mains switch.

In order to avoid damage to boilers, it is necessary to prevent the contamination of combustion air by chloride and/orfluoride compounds, which are particularly corrosive.These compounds are present, for example, in aerosol spray cans, paints, solvents, cleaning products, washing powders/liquids, detergents, glues, snow clearing salts, etc.

It is therefore necessary:- To avoid sucking in air discharged from premises using such products: hairdressers, dry cleaners, industrial premises (solvents), premisescontaining refrigeration systems (risk of leaking refrigeration fluid), etc.- To avoid the storage of such products close to boilers.Please note that, if the boiler and/or its peripherals become corroded by chloride and/or fluoride compounds, ourcontractual warranty cannot be invoked.

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15


For the use of the air/flue gas connection pipes and the rules oninstallation, see details of the various configurations in the currentproduct catalogue.

Classification

4

2

&[

&

&[

%3 &[

&[

&[

6 7

2

2

1

5

&[

3

L1

L1

Lmax = L1+L2

Lmax= L1+L2

Lmax

Lmax

Lmax

Lmax

Lmax

maxmaxmax 1m1m1m

Lmax

L2

L2 Lmax

8531F291B

Configuration C13x: Air/flue gas connectionby means of concentric pipes to a horizontalterminal (so-called forced flue)

Configuration C33x: Air/flue gas connectionby means of concentric pipes to a verticalterminal (roof outlet)or

Configuration C93x (formerly C33x): Air/flue gas connection using concentric pipesin the boiler room and single pipes in thechimney (combustive air with counter currentin the chimney)

orAir/flue gas connection using concentric pipes

in the boiler room and single flex pipes

in the chimney (combustive air with countercurrent in the chimney)Configuration C53: Separate air and flue

gas connection using a bi-flow adapterand single pipes (combustive air taken fromoutside)

Configuration B23P: Connection to a chimney(combustive air taken from the boiler room)

Configuration B23P: For cascade installation

: Max. height in the flue pipe (C93x and B23P configurations) from the support elbow to the outlet musnt exceed :

- 30 m for rigid PPS- 25 m for flex PPSIn case of higher lengths, holding collars must be added by slices of 25 or 30 m.

Important:We remind you on the next page of the rule on installation of terminals on sealed appliances (type C) with a total output 70 kWinstalled in a boiler room, which use gas fuels.

Table of maximum air/flue gas pipe lenghts admissible according to boiler type

Type of air/flue gas connection Lmax of the connecting pipes in m

MCA 45 MCA 65 MCA 90 MCA 115

Concentric pipes connected to a horizontalterminal (PPS)

C13x 80/125 mm 16 - - -

110/150 mm - 9 8 5.9

Concentric pipes connected to a verticalterminal (PPS)

C33x 80/125 mm 14.5 - - -

1110/150 mm - 11 .5 10 9.4

Pipes- concentric in the boiler room,- single in the chimney (combustive air with

counter current) (PPS)

C93x

80/125 mm 80 mm

15

80/125 mm 100 mm

25

110/150 mm 110 mm

- 16 13.2 10

Pipes- concentric in the boiler room,- flex in the chimney (combustive air with

counter current) (PPS)

C93x 80/125 mm 80 mm 12

110/150 mm 110 mm

- 16.5 13.5 9.4

Bi-flow adapter and separate single air/flue gaspipes (combustive air taken from outside) (Alu)

C53

80/125 mmto 2x80 mm

20.5

100/150 mmto 2x100 mm

- 23 17.5 16

In the chimney (rigid or flex) (combustive airtaken from the premises) (PPS))

B23P

80 mm (rigid) 23.5

80 mm (flex) 21

110 mm (rigid) 40 40 40

110 mm (flex) 29.5 24 17.5

AIR/FLUEGASCONNECTION

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16


HYDRAULICCONNECTIONS

Important: The principle of a condensing boiler is to recycle theenergy contained in the water vapour in the combustion gases(latent vaporisation heat). Consequently, to achieve an annualoperating efficiency in the order of 110%, it is necessary tosize the heating surfaces in such a way as to obtain low return

temperatures, below the dew point (e.g. underfloor heating, lowtemperature radiators, etc.) during the entire heating period.

Condensates dischargeIt must be connected to the waste water discharge system. Theconnection must be removable and the flow of condensatesvisible. The connections and pipes must be in corrosion-resistantmaterial. Condensates neutralisation stations are available asoptional equipment (see p. 11).

MCA boilers must only be used in closed-circuit heatinginstallations, previously cleaned to eliminate residues anddeposits caused by commissioning the installation. Furthermore,it is important to protect central heating installations against therisk of corrosion, scaling and microbiological growth: the water

treatment products used must comply with regulations.

Requirements on heating water:- pH: 6.5 to 8.5- Chloride content < 50 mg/l- Conductivity < 500 +S/cm to 25C

Examples of installation

The examples presented below cannot cover the full range ofinstallation scenarios which may be encountered.Their purpose is to draw the attention to the basic rules to befollowed. A certain number of control and safety devices (someof which are already integrated as standard in MCA boilers) arerepresented but it is ultimately up to installers, experts, consultantengineers and design departments to take the final decision onthe safety and control devices to be used in the boiler room

according to its specificities. In all cases, it is necessary to abideby the codes of practice and prevailing regulations.

Attention : For the connection of domestic hot water, a sleevemade of steel, cast iron or any other insulating material mustbe interposed between the hot water outlet and these pipes toprevent any corrosion to the connections, if the distribution pipesare made of copper.

FUMI_F0044A

Hmini > 1,80 m

Hmini > 1,80 m

Hmini >

1,80 m

Boiler room

under floor

Source: Practical guide to the installation of leakproof appliance terminals (type C) installed in boiler rooms using gaseous fuels. GDF - Suez

}P2n

P21 + P22 + P2n+ ...P22P21

P11 P12 ... P1n Multiple horizontal and vertical outlets

in the upper sectionsof buildings

at the footof buildings

P11 + P12 + + P1n 2000 kWand 2000 kW - (P21 + P22 + + P2n)

250 kW - (P21 + P22 + + P2n)

P21 + P22 + + P2n 250 kW 250 kW

P1 max.

P2 max.

Horizontal and vertical outlet

in the upper sectionsof buildings

at the footof buildings

P1max. = 2000 kW - P2 = 250 kW - P2

P2max. = 250 kW = 250 kW

Key:Pu 250 kW Boiler room Blank wall

Pu 2000 kW Cases in which the outlet from aleakpool appliance terminal isprohibited

Other recommendations and obligations:1) No emissions are permitted on walls that

incorporate openings and air inlets2) The maximum output permitted has been

halved:- 250 kW max. from horizontal outlets- 2000 kW max. from vertical outlets

REMINDER: INSTALLATIONRULESFORABOILERWITHANOUTPUT70KW OPERATINGONNATURALGASORPROPANEGAS

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17


Installation of a MCA 45 with 1 direct circuit + 1 BP/BL DHW calorifier

AD 212

EA 121

HC 142

EA 121

GAS

27

67

64

27

26

(b)50Hz

230V

MCA 45 iSystem

9 9 16

9 9

68

21

50Hz

230V

3

817 11

AD254

CDI D.iSystem

$872

02'(

13:42

HC 139

2829

93033

25

24

9

32

27

9

56

+&

67

6564

99

11a

27

$C $C

99

11b

10

27

$C $C

23

44

4

65

99

11b

10

27

$C $C

23

44

4

+&

*$6

16

179 9

35

34

78

1368

21

50Hz

230V

3

27

26

7

99

928

29 930

24

25

33

932

27

9

56

)0

$'

7 6

1

[$'

$ 8 ;

/

/

MCA 65 iSystem

(b)50Hz

230V

[ $'

+

MCA_F

0053A

Installation of a MCA 65 with 1 direct circuit + 2 circuits with mixing valve + 1 BP/BL DHW calorifier, all behind a decouplingcylinder

MCA_F

0051C

EXAMPLESOFINSTALLATIONSWITHASINGLEBOILERAND:

DIEMATICiSystem CONTROLPANEL

Legend: see page 18

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18


27

29 3028

32

9

9

27

90 7

TRIO DT 350

9+]

6 ( 7

' L H W U L V R O %

!

33

24

56

25

(b)

81

109

130

112a

129

87

88

126

114

46

8461

85

89

4

112b

67

6564

99

11a

27

$C $C

99

11b

10

27

26

$C $C

23

44

4

HC 147

GAS

99

9

16

17

9 9

35

34

78

1368

50Hz230V

50Hz

230V

3

HC 139

AD212

MCA 45 iSystem

1x AD199

21

BUS

AD 251

AD253

CDR D.iSystem

AD252

$872

02'(

13: 42

AD 212

HC 142

EA 121

EA 121

GAS

27

65

27

26

(b)50Hz

230V

9 16

9 9

68

50Hz

230V

44

AD 122

3

817

MCA 45 iniControl

21

2829

93033

25

24

9

32

27

9

56HC 139

MCA_F

0054B

MCA_F

0058C

Installation of a MCA 45 iSystem with 1 radiators circuit + 1 circuit with mixing valve + 1 solar system DIETRISOL for DHWproduction, all behind the decoupling cylinder

Installation of a MCA 45 iniControl with 1 direct circuit + 1 BP/BL DHW calorifier

iniControl CONTROLPANEL

1 Heating outlet 2 Heating return 3 Safety valve 3 bar 4 Pressure gauge 7 Automatic air vent 8 Manual air vent 9 Isolation valve 10 3-way mixing valve 11 Electronic heating pump11a Electronic heating pump for direct

circuit11b Electronic heating pump

for circuit withmixing valve

13 Flush valve 16 Expansion tank 17 Draining valve 21 Outside sensor 23 Outlet temperature sensor after

mixing valve

24 Primary inlet on the DHW tankexchanger

25 Primary outlet on the DHW tankexchanger

26 Domestic water load pump 27 Non-return valve 28 Domestic cold water inlet 29 Pressure reducer 30 Sealed safety device calibrated to

7 bars 32 (Optional) DHW loop pump 33 DHW temperature sensor 34 Primary pump 35 Decoupling cylinder (available as

an option - see page 11) 39 Injection pump44 65C limiter thermostat with

manual reset for underfloor heating

46 3 way-directionalvalve with motorreversing

56 DHW circulation loop return 61 Thermometer 64 Radiator circuit (gentle heat

radiators, for example) 65 Low temperature circuit (underfloor

heating, for example) 67 Manual valve 68 Condensates neutralisation system 79 Primary outlet of the solar

exchanger 80 Primary inlet of solar exchanger 81 Electrical resistance 84 Stop valve with releas non return

valve 85 Solar circuit pump (to connect to

the solar control)

87 Safety valve sealed and calibratedto 6 bar

88 Solar expansion tank 18 l 89 Recepient for heat transfer fluid 90 Antithermosiphon loop

( 10 x tube)109 Thermostatic mixing valve112aCollector sensor112bSolar tank sensor114 Solar circuit drainage valve

(note: propyleneglycol)123 Cascade flow sensor

(to connect to the slave boiler)126 Solar regulator129 DUO tube130 Degasser with manual purge

(Airstop)(b) outside clock

Legend

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DESCRIPTION

INNOVENS PRO MCAWALL-HUNGGASCONDENSINGBOILERFORCONNECTIONTOACHIMNEYORAFORCEDFLUE

Brand : De DietrichClassification: **** according to the european efficiency directive,NOx classification: 5

Model :MCA for heating onlyHomologation : B23P - C13x - C33x - C93x - C53Protection index: IPX4DPower supply: 230 V/50 HzUseful output in heating mode at 50/30C : _____kWMax. operating temperature: 90CMax. operating pressure: 4 barSafety thermostat: 110CDimensions: 750 x 500 x 500 mmWeight empty: _____kg

Complies with the requirements of European Directives- Compact monobloc heating body in aluminium/silicium alloy- Gas premix burner in stainless steel with a surface in woven

metallic fibres, modulating from 18 to 100 % output, fitted witha silencer on the air intake

- Gas line with non return valve- Cascade up to 10 boilers- DIEMATIC iSystem control panel to control and regulate up

to 3 heating circuits + 1 DHW circuit, depending on optionalequipment connected, according to the outside temperature. Itcan also be used to optimise management of combined control

systems associated with boilers iniControl (even DIEMATIC iSystem)and control cascades of 2 to 10 boilers.

- iniControl : for operation either according to the outsidetemperature (sensor optional), or through the 0-10V contact fittedto this panel as standard. It can also be used as a slave boileras part of a cascade installation controlled by a boiler with theDIEMATIC iSystem control panel or in a cascade system in whicheach boiler is controlled in 0-10V.

Diematic iSystem control panel options- Domestic hot water sensor- Outlet sensor downstream of the valve- PCB + sensor with mixing valve- CDI D. iSystem interactive remote control- CDR D. iSystem interactive "radio" remote control (without

transmitter / receiver radio)- Radio boiler module DIEMATIC iSystem (transmitter/receiver)- Simplified remote control with room sensor- Room sensor- BUS connection cable (length 12 m)

- Sensor for storage tank- Radio outside temperature sensor- Boiler radio module (radio transmitter)

iniControl panel options- Domestic hot water sensor- Outlet sensor

Boiler options- Hydraulic connection kit + gas valve- Insulation for boiler hydraulic connection kit- Rear insulation for boiler hydraulic connection kit- Right gas tap 3/4

- Pipe cover- Flue gas thermostat- 3-stage heating pump- Modulating electronic heating pump of class A for MCA 45- Primary pump- Motorized 3-way valve (Rp 1)- DHW/boiler connecting kit- HWPlus 70 or HW 200 decoupling cylinder- Condensates neutralisation tank- Condensates neutralisation system with pump- Wall bracket for neutralisation tank- Granule refill for neutralisation tank- Cleaning tool boiler body

DESCRIPTON

09/10300024620

347.555.559StrasbourgCompaniesRegisterDocumentnotcontractuallybinding-PrintedinFrance-OTTImprimeurs67310Wasselo

nne-102733

DE DIETRICH THERMIQUES.A.S. with corporate capital of 22 487 610

57 rue de la Gare - F 67580 Mertzwiller

300024620_web

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