Electric Flow Boiler InstallatIon & technIcal Manual

If you require any further assistance:

telephone: 01698 820533Fax: 01698 825697

E-mail: info@electric-heatingcompany.co.ukor visit our website

www.electric-heatingcompany.co.uk

3GB-063C_f.615

Pleasereadandfollowtheinstallationoperatinginstructionscarefully,toensurethelonglifeandreliableoperationofthisappliance.TheElectricHeatingCompanymaymakeminorchangeswhennecessarytotheappliancethatwillnotbe

showninthisdocument,solongasthemainfeaturesoftheboilerremainthesame.Allboilerscomewitha24monthwarrantythatcoversalldefectsoriginatingfromfaultymaterialsandwork-

manshipinthemanufactureoftheboilers.Thewarrantywillnotcoveranydamagetotheboilerfrompoororincorrectinstallationwork.Inadditionthe

WarrantywillnotcoveranycalloutchargesthathavenotbeenauthorisedbytheElectricHeatingCompanyLtd.Thewarrantywillnotcoveranywaterleaksintotheboilerthatmaycausedamagetotheelectricalorelec-

troniccontrolsystem.Allplumbingconnectionsmustbecheckedandautoairventspositionedtothesideoftheboilerandnot

directlyabovetheunit.AMagneticFiltermustbeinstalledtotheboilersreturnpipeworkbeforethecirculationpump.Itisrecom-

mendedthatthefilteriscleaned;failuretocleantheMagneticFiltermayresultinboiler/systemfailure.War-rantycallswillnotbecoveredwheretheaboverequirementshavenotbeenmet.

The “Slim Jim” boiler is a low temperature boiler intended for use in unvented or vented central heating systems with forced circulation.

(Protected according to legally binding directives).

This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge unless they have been given supervision or instruction concerning the use of the appliance by a person responsible for their safety.

Children should be supervised to ensure that they do not operate or interfere with the appliance.

Page Contents

INTRODUCTION 3PREPERATION 5LOCATION 5GENERAL 6BOILER INTERNAL LAYOUT 8INSTALLATION 9SYSTEM PROTECTION - COMMISSIONING 11ELECTRICAL CONNECTIONS 12ELECTRICAL CONNECTIONS 14CONTROL WIRING 16BOILER CONTROL PANEL 17TECHNICAL SPECIFICATION 18PARTS LIST TABLE 19

INTRODUCTION

4GB-063C_f.615

Boiler Features.

• OptionofVoltFreeOR240voltControlSignalling• WaterLevelSensor• HighCurrentSafetydevice• LowMaintenance• BoilerPowerOutputSelector• EasytouseController

Thecentralheatingsystem,inwhichtheSlimJimboilerisbeinginstalledinto,mustbefittedwiththefollowing:

Vented Systems:

• CirculationPump• PumpValves• F&ETank• MagneticFilter• AutomaticBypassifReq

Sealed Systems:

• CirculationPump• PumpValves• MagneticFilter• AutomaticBypassifReq• SealedSystemKit• AutomaticAirVent

Instructions and Building Regulations:

Thisappliancemustbefittedinaccordancewiththefollowinginstructions.

TheLocalBuildingRegulations.TheBuildingRegulations.TheBuildingStandards,(Scotland-consolidated)Regulations.Localwaterbylaws.

BritishStandardscodeofpractice.BS EN 12828Heatingsystemsinbuildings.Designforwater-basedheatingsystems.

BS EN 12831Heatingsystemsinbuildings.Methodforcalculationofthedesignheatload.BS EN 14336Heatingsystemsinbuildings.Installationandcommissioningofwaterbasedheatingsystems.

BS7671: 2015Requirementsforelectricalinstallations.IEEWiringRegulations.Seventeenthedition.

BS EN 13831Closedexpansionvesselswithbuilt-indiaphragmforinstallationinwater.

C.O.S.H.H.Materialsusedinthemanufactureofthisappliancearenonhazardousandnospecialprecautionsarere-

quiredwhenfittingorservicingthisappliance.

5GB-063C_f.615

1. Load Check Aloadcheckmustbetakenintoconsiderationwheninstallinghighpowerboilers.Thiscanbecarriedout

byaqualifiedelectrician.Theremaybearequirementtoupgradethemainincomingfusesupplyingtheproperty;thiswilldependontheboileroutputbeinginstalledandexistingelectricalloadrequirementsoftheproperty.

2. Boiler location Theboilermustbeinstalledontoawallthatwillprovideanadequatefixing.Precautionsmustbetakenif

theboileristobeinstalledinareassubjecttodamporfrostconditions.

3. Central heating (design & installation) DetailedrecommendationsaregiveninBSEN12828,BS6700:+A1andCP342-2.

Pipesformingpartoftheusefulheatingsurfaceshouldbeinsulatedtopreventanypotentialheatlossorfrostdamage.(BS6700).

Drainvalvesshouldbefittedatthelowestpointofthesystempipeworkinanaccessibleposition.DrainvalvesshouldbeinaccordancewithBS2879andcoppertubetoBSEN1057isrecommended.

PREPERATION

LOCATION

Theboilercanbeinstalledinalmostanylocationwithinadomesticorcommercialproperty;howevercon-siderationshouldbemadeforfuturemaintenance.Neverleavetheboilerswitchedoffifthereisadangerofhavingtemperaturesbelow0°Cintheroomwhereitislocated,(Anadditionalfroststatmustbeusedifthereisalikelihoodofthetemperaturefallingbelow0°C).Werecommendthataminimumclearanceof400mmshouldbeallocatedfortheremovalofthefrontcover

toallowadequateaccesstotheboilersplumbingandtheinternalelectricalconnections.A50mmallowanceshouldbemadeateithersideoftheboilertoallowfreeflowairintotheboiler.

! The boiler must be installed in the upright position; failure to do so will invalidate the Warranty!

6GB-063C_f.615

GENERAL

1. General

Theboilermustbeinstalledbyaprofessionalplumberorheatingengineerandmustbeconnectedtothepubliclowvoltagenetworkbyacompetentperson.Werecommendthisisinstalledbya17thEditioncertifiedElectrician.

The Electric Heating Company Ltd will not be held responsible for any faulty installations which are performed by un-qualified tradespersons.

2. Pipe Connections

SlimJimElectricBoilershave22mmcompressionconnectionsattheboiler’sflowandreturnpipes.Pleasenotethattheboilersaresuppliedwithblankingplugsfortransitpurposes.Thesemustberemovedbeforeconnectionstoexternalpipescanbemade.

The Flow Outlet (TopRedConnection)andReturnInlet(BottomBlueConnection)areclearlymarkedwithin theboilercase.Undernocircumstancesshould theseconnectionsbereversed.HotSolderedJointsshouldnotbemadeasadirectconnectiontotheboiler,Compressionjointsshouldused.

3. Case Removal

Inordertotakeoffthefrontcover,undothefixingscrewsatthetopandbottomoftheunitandpullthecovertowardyou,Careshouldbetakennottodamagethefrontcontroller.

4. Isolation Valves

Werecommendthatlock-shieldisolationvalvesarefittedontheFlowandReturnpipe-work.Suchvalvesmustbefullboreandnot“ballvalves”.Theinstallationof“ballvalves”intheflowandreturnpipe-workwillreducetherecommendedflowratesthroughtheboiler.

! Care must be made when installing the isolation valves that the PRV and expansion positions are not impaired.

5. Auto air vents Anautoairventmustbefittedtotheexternalpipeworkwheninstalledinanunventedsystem.

! Do not install AAV’s directly above the SlimJim boilers. AAV’s should be installed to either the top left or right hand side of the boilers. (This is to prevent any water entering the boiler in the event of an AAV leaking).

6. Boiler Sizing

Calculatethe“SpaceHeating”requirementsinaccordancewithBSEN12831andBSEN14336.Iftheboileristoheatthedomestichotwater,anadditionalallowanceof3kW(10,239Btu’s)shouldbemadetothe“Spaceheating”calculationtodeterminethecorrectboileroutput.

7. Insulation

Wherepractical,andifpossible,werecommendthatallpipe-workisinsulated,inparticulartheprimarypipe-workwithinaboilercupboard.Thisistoreduceheatlossandreducehighcupboardtemperaturesfromexposedpipe-work.(BS6700+A1).

8. System Design

AstheSlimJimboilersareoflowwatercontentanopencircuitmustbeachievedincorporatingapprox2metresofcontinuous22mmpipeworkaftertheboilerconnectionsandbeforeanyzonevalves.(SPlan)Wealsorecommendthatamagneticfilterisusedandinstalledintothereturnpipeworkofthesystembeforethepumpaspertheschematiconpage10.Provisionshouldbemadetoallowthefiltertobecleanedwithoutdrainingthefullheatingsystem.

7GB-063C_f.615

! We recommend the use of an automatic bypass within this circuit. Ifabypassradiatorisusedanallowanceshouldbemadeforaminimumradiatorsizeof600mmx600mm

singleconvectororequalto2500Btutobeinstalledwithintheheatingcircuitandlockedopen.

(Thiswillbelocatedintheroomwherethethermostatisinstalled).

Tocomplywithbuildingregulations,PartLandPartJ(inScotland),roomandcylinderthermostatsmustbefitted.

9. Water Connections

Provisionsmustbemadeforthereplacementofwaterlostfromtheheatingsystem(sealedsystems).ReferenceshouldbemadetoBSEN14336forthemethodoffillingandmakeupofwater.Theremustbenodirectconnectionbetweentheboilerscentralheatingsystemandthemainwatersupply.Whenmainswaterisrequiredtofillthesystemdirectly,alllocalwaterbylawsmustbeobserved,andanyconnectionmademustbedisconnectedafteruse.

10. Flushing

Thesystemmust be flushedtowithin10%ofmainswaterPPMtoensurethatnodebrisistrappedintheflowsensorasthismayresultinboilerfailure.Whereexistingradiatorsandpipe-workareutilisedapowerflushmustbecarriedouttoremovedebris.

11. System Pressures

Allboilersarepressuretestedinthefactory.Thenormalworkingpressureoftheboilershouldbesettoapprox1.0/1.5bar.Allsealedsystemsshouldcomplywiththerelevantbuildingregulationsandstandards,includingBSEN13831-SpecificationforExpansionVessels.

! It is imperative that a pre-installed magnetic filter is removed and cleaned annually. Failure to carry out this action will increase contamination of the boiler by the system residue.

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Figure 1

1 - Flow Outlet Connection 2 - Run Dry Sensor 3 - Outlet Temperature Sensor 4 - Heat Exchanger 5 - Power Board 6 - Contactor 7 - WT3 Safety Thermal Cut-Out 8 - Inlet Temperature Sensor 9 - Control board 10 - Return Inlet Connection 11 - Pump & Control Cable Entry Points 12 - Main Power Entry Point 13 - Front Control Panel

1

2

3

6

5

7

8

9

10

11

12

13

4

! The boiler is fitted with a safety temperature cut-out that protects the boiler from failure. The safety temperature cut-out (Item 7) cuts the power to the boiler if the temperature reaches approx 100°C. if this occurs the boiler will shut off the main power to the unit. A service engineer will be required to re-set the boiler. However further investigation will be required to identify the cause of the fault.

BOILER INTERNAL LAYOUT

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12. System types

The“SlimJim”boilerrangecanbeusedinvarioussystemdesignsincludingunderfloorsystems.Therearetwoheatingschematicsonpage10Figure1&2thatillustrateanIndirectSystem(SPlan)&DirectSystem(HeatingOnly).

WerecommendtheuseofThermostaticRadiatorvalvesonallradiatorsexcludingthebypassradiator;thisradiatorshouldbefittedwithlockshieldvalvesandleftinthefullyopenposition.Inadditionwerecommendthatanautomaticbypassisusedinzonedsystemsandsettotherelevantflowratesrequiredforthesystemdesign.(Thebypassradiatorshouldbeaminimumsizeof600mmx600mmsingleconvectororequalto2500Btutobeinstalledwithintheheatingcircuitandlockedopen.Thiswillbelocatedinthesameareaastheroomthermostat).

! The system design should meet all current building regulations in force at the time of installation.

13. Hanging the Boiler

1 Takecarewhenremovingtheboilerfromitspackaging.Donotopenwithsharpobjectsasthismaydamagetheunit.

2 Hangtheboilerinaverticalpositionusingthetemplateandscrewsprovidedwithintheboilerpackaging.Takecaretoleavealltherecommendedclearancesasshownintheschematicdrawingbelow.

3 AClearanceofapprox400mmatthefrontoftheunitisrecommendedtoallowaccessforanyfuturemaintenancethatmayberequired.

INSTALLATION

M4x8

M4x8

C

D

D

C

130

35

780

850

200

203

765

130

min.3

00

min.50

min.50

Front Cover Fixing Screws Boiler Dimensions & Fixing Positions

10GB-063C_f.615

Figure 2

aav

Expansion Vessel

Pump

Magnetic Filter

Gauge

PRV

Flow

Return

Filling Loop

Auto Bypass

aav

HW

Cylinder

Zone

valveZone

valve

Pressure

aav

Expansion Vessel

Pump

Magnetic Filter

Gauge

PRV

Flow

Return

Filling Loop

Auto Bypass

Pressure

Figure 1

! The boilers may also be configured to run multi zone heating systems or under floor heating circuits if required.

11GB-063C_f.615

SYSTEM PROTECTION - COMMISSIONING

14. System protectionFailuretoprotectthesystemwillinvalidatethemanufac-turer’swarranty.After thesystemhasbeeninstalledthecleansingandinhibitingproceduremustbecarriedoutasfollows:

Procedure:1. Fill the systemwith coldmainswater to the recom-

mendedpressure1.5barandcheckforleaks,thendrainthesystemthoroughlymakingsurealldraincocksarefullyopenandthatthesystemiscompletelydrained.

2. AddFernoxHeavyDuty restorer through theheadertankorviafillingloopattherecommendeddose.Onebottlemustbeusedasaminimumperdwelling.Ifyouareunsureofthecorrectdoserate,contactFernox.

3. Re-fillthesystemandcirculatetheHeavy-DutyRestorerpriortotheboilerbeingfiredup,thencommissionthesysteminthenormalway.Thecleansingagentmustbeinthesystemforaminimum1hourwiththesystemat normal operating temperature.A longer period oftimewouldbemorebeneficialtothecleansingprocessespeciallyifexcessfluxwasused.

4. Drainandflushthesystemthoroughlytoremovethecleaningagentandanydebrisorcontaminant.Thisisacriticalpartofthecleaningprocessandmustbecarriedoutcorrectly.Usearinsetestmeter(TDS),suchastheFernoxCTM.Thereadingmustbewithin10%ofthemainsppmvalue.

5. ThenaddtheFernoxProtector(CopalMB1orSuperconcentrate).Thiswill protect against the formationofscale,corrosionandmicrobiologicalgrowths.Itiscrucialhowever,thatfortheprotectortoworkcorrectly,thesystemmustbeproperlycleansedandflushed.

6. ThelabelincludedwithintheFernoxProtectorcartonshouldbecompletedandattachedadjacenttotheboiler.

7. Werecommendinhibitorlevelsarecheckedonanan-nualbasis(usuallyduringtheservice)orsoonerifthesystemcontentislost.ThisshouldbecarriedoutusingaFernoxinhibitorTestKit.

8. FernoxTechnicalServiceHelplineon08708700362forfurtherassistance.

IFSUPPLIEDWITHTHEGRUNDFOSSUPM3PUMP

15. Start-up / Commissioning1. Ensuresystemisfilledwithwater&vented.2. Checkiftheappropriatesysteminstallationpressureis

reached3. Switchtheboileron&setexternalcontrolstocallfor

heat.4. Checkthepumpissettothecorrectmode(seetable

below).Todothis,press buttonfornomorethan2seconds.TheLED’sshouldsignalanoperatingmodeattheplacepointedbyarrow.

5. IftheLEDsaresignalingadifferentoperatingmodethanrecommendedinthetablebelow,settheappropriatemodeaccordingtothefollowinginstructions:press buttonforlongerthan2seconds,butlessthan10sec-onds(LED’swillstarttoflash),thepumpthenswitchestothesettingsmode.LEDsglowstoindicatethecur-rentsettings.Tochangethesettingsof thepump inaccordancewiththetablebelow,youcansettherightcombinationofglowingLEDsbypressingthe button.OnceLEDcombinationissetcorrect,bynotpressing

Rated power[kW]

Pump lifting height [m]

LED 1 red

LED 2yellow

LED 3yellow

LED 4yellow

LED 5yellow

4 ● ●4 - 7 5 ● ● ●

10 - 12 6 ● ● ● ●12 - 14 7 ● ● ●

alarm statusIf the pump has detected one or more alarms, the bicolored LED 1 switches from green to red. When an alarm is active, the LEDs indicate the alarm type as defined in the table below. If multiple alarms are active at the same time, the LEDs only show the error with the highest priority. The priority is defined by the sequence of the table. When there is no active alarm anymore, the user in-terface switches back to operation mode.

Display Indication Pump operation

counter action

One red LED + one yellow LED (LED 5)

Rotor is blocked.

Trying to start again every 1,5 seconds

Wait or deblock the shaft.

One red LED + one yellow LED (LED 4)

Supply volt-age too low

Only warning pump runs

Control the sup-ply voltage

One red LED + one yellow LED (LED 3)

Electrical error

Pump is stopped because of low supply voltage or serious failure

Control the supply voltage /Exchange the pump

LED

1

2

3

4

5

LED

thebuttonfor10secondsthepumpwillrememberbuttonfor10secondsthepumpwillrememberthisset-tingandwillexitfromsettingmodebacktoperformanceview.

Note: holding button for more than 10 seconds will enter the pump into key lock mode. This pre-vents the user from altering the pump settings. To remove the key lock the pump settings and allow the pump settings to be changed, hold button again for more than 10 seconds.

6. Ensureadequateflowthroughtheboilerisreached.Thepumpshouldselfventafterashortperiodofrunning.Ifnecessaryassisttheventingprocessinthefollowingway;Warningthescrewheadinthecentreofthepumpisnotintendedtobeusedtoassistventingofthepump,Damagetothepumpinternalsmayoccur!

• closetheisolationvalveontheoutlet,• leaveboilerrunningfor15sec.• opentheisolationvalve.,7. Switchtheboileroff.8. Settheboilertotherequiredsystemtemperature,see

the„Operating”section.

12GB-063C_f.615

ELECTRICAL CONNECTIONS

! All wiring must be carried out in accordance with current IEE wiring regulations BS:7671 (all electrical connections must be made by a qualified tradesperson).

LOAD CHECKAloadcheckmustbetakenintoconsiderationwheninstallinghighpowerboilers.Thiswillbecarriedoutbya

qualifiedelectrician.Theremaybeanadditionalrequirementtoupgradetheincomingmainfusesupplyingthepropertyifotherhighpowerdevicesareusedwithintheproperty.E.gElectricShowers.IfanelectricshowerispresentwerecommendthataShowerSensorisinstalledwithinthesystem.Thiswillcauseaninterrupttotheboilerscontrolsignalwhentheshowerisinuse.Itwilldisabletheboilerprotectingtheelectricalsystemfromoverload.Allboilersmustbeprotectedatthemeterpositionwitha30mAdoublepoleRCDwithaminimumof3mm

contactseparationaccompaniedbyasuitableratedMCB.Iftheboilerisnotfittedlocaltothemeterpositionthenanadditionalisolationswitchmustbefittedlocaltotheboilerforeachsupply.

THIS APPLIANCE MUST BE EARTHED.Allpipe-workmustbeearthedinaccordancewiththeIEEBS7671WiringRegulations.Aftercompletionofallelectricalworks,anelectricalsafetycheckshouldbecarriedouti.e.shortcircuit,earth

continuity,resistancetoearthandpolaritycheck,andallrelevantTestCertificatescompleted.

ELECTRICAL CONNECTIONSTheelectricalconnectionsareclearlymarkedinthebottomLHSideoftheunit.

L N(24hrLIVE)

The24hr live is thepermanentFeedconnection to theboiler fromthemainssupply.Externalcontrolswillrequireanindependentfusedspursuppliedfromtheconsumerunit,howeverthisfusedspurshouldbesuppliedbythesamepowersource&protectedbythesameRCDastheboileritself,thecontrolcircuitshouldbeprotectedbya6AmpMCB.TheBoiler&controlcircuitRCDshouldbeindepend-entofallotherdomesticcircuits.TheboilersupplycableshouldbecalculatedbythemeansofacablecalculationinaccordancewithBS7671byasuitablyqualifiedelectrician.

BOILER PROTECTIONTherecommendedprotectionisasfollows:

MODEL NO BOILER SIZE PROTECTIONEHCSJIM4KW-4kWOUTPUT BOILER20AMPProtectionEHCSJIM7KW-7kWOUTPUT BOILER40AMPProtectionEHCSJIM10KW-10kWOUTPUT BOILER50AMPProtectionEHCSJIM12KW-12kWOUTPUT BOILER63AMPProtectionEHCSJIM14.4KW-14.4kWOUTPUT BOILER80AMPProtection

EXTERNAL CONTROLSWerecommendtheuseoftheSingleChannelHeatPackforheatingonlyinstallations.ForHeatingandHot

waterinstallationswerecommendtheuseoftheTwinChannel’HeatPack’.The‘HeatPack’willincorporatealltherelevantpartstocomplywithcurrentbuildingregulationsi.eCirculation

Pump&MotorizedValvestocontroltheheatingandhotwatercircuitsandRoomandCylinderThermostatstocontroltheroomandhotwatertemperatures.Thiswillalsoprovideboilerinterlock.TheuseofTRV’salonewillnotprovideboilerinterlock.

! This control method is recommended by TACMA (The Association of Control Manufactures) in order to comply with the current building regulations.

13GB-063C_f.615

Slim Jim

Boiler

General Electrical Network Connection

L N

Main Power Electrical Connection L N E

Figure 1

Figure 2

14GB-063C_f.615

Figure 3

2

7

1

3

8

9

12

11

10

5

MSK.72

ELECTRICAL CONNECTIONS

MSK.72 Control Board [1] - Pre-wired Control board supply [2] - Front panel control ribbon connection [3] - Flow temperature sensor [4] - Power Stage Selector + 240 volt control enable selector. [5] - Return Temperature Sensor [6] - Power Board Control Connection [7] - Water Level Sensor. The wire must be connected to one of two slots (both are the same). [8] - L N Contactor Connections [9] - Pump Fuse 1A 240V (slow blow) [10] - RP Volt Free Control Connections [11] - 240 Volt Control SW live & Neutral Connections (Optional) [12] - External Pump Supply Connections N L E

15GB-063C_f.615

Volt Free Control Signals

1 POWER STAGE VOLT FREE

2 POWER STAGE VOLT FREE

3 POWER STAGE VOLT FREE

240 Volt Control Signals

1 POWER STAGE 240 VOLT

2 POWER STAGE 240 VOLT

3 POWER STAGE 240 VOLT

Dip Switch Settings

External Control Options:

TheSlimjimboilerscanbeusedwithVoltFreeor240voltcontrolsignals.Volt Free control operation.RemovethelinkfromtheRPConnection(10)andconnectyourexternalvolt

freecontrolcableshere.Whenthisconnectionis“Closed”theboilerwillfire,andwhen“Open”theboilerwillbeinstandby.(Thecontrolenabledipswitch4mustbeintheOFFpositionasshowninthetablebelow).

240 volt control operation.ThelinkmustbeleftintheRPConnections(10)andaliveSWandNeutralconnectedtothecontrolterminals(11)ToenablethefeatureyoumustselectDip4toON.ThisislocatedatthetopLHSofthecontrolBoard.(Thecontrolenabledipswitch4mustbeintheONpositionasshowninthetablebelow).

Boiler Output Control.YoucancontrolallSlimJimboilerspoweroutputsin3stagesbyselectingdipswitchessettingsasshown

inthetablebelow.e.g.Ifa6kWisusedanddipswitch1on= 2kW Output – 6kWboilerdipswitch1&2on= 4kW Output –

6kWboilerdipswitch1,2&3on= 6kW Output.

16GB-063C_f.615

CONTROL WIRING

PROGRAMMER CYL STAT

N L 1 2 3 4 1 2 3

10987654321

L

N

E

240V

SUPPLY

3A Switched

Fuse Isolator

R P

Volt Free Boiler

Control

Connections

Junction

box

1 2 3

ROOM STAT

GRBRBL OR

HW zone valve

GRBRBL OR

CH zone valve

6 Amp

PROGRAMMER ROOM STAT

N L 1 2 3 4 1 2 3

10987654321

L

N

E

240V SUPPLY

R P

Volt Free Boiler

Control

Connections

Junction

box

3A Switched

Fuse Isolator

6 Amp

Figure 1

Heating & Hot Water Wiring: S Plan (Volt Free Output) UsedforIndirectPlumbingSystems

! This S plan wiring schematic will provide a volt free contact across the boilers RP Connections. No voltage has been taken to the Grey cable of the zone valves therefore creating a volt free contact across the grey & orange switch wires of the valves when heating or hot water is in demand.

If the boiler is connected to an existing heating control system with 240 Volt switching then the boilers control board should be setup as mentioned on page 14 (240 Volt control signals).

Figure 2

Heating Only Wiring (Volt Free Output)UsedforDirectPlumbingSystems

! The Boilers Control PCB will be damaged if a voltage it put to the RP connections!

17GB-063C_f.615

BOILER CONTROL PANEL

OFF

0

30

40

1 3

5

2 4

Front Control Panel LED introduction;

[1] - Power Indicator [2] - Boiler Operation Indicator [3] - Heat Call Indicator [4] - Low Water Indicator [5] - On/Off & Temperature Dial

User instructions, TheControlpanelislocatedontheoutsideboilercover.Itconsistsofadualpurposedialthatallowsyouto

selecttheboilerOutputTemperatureorSwitchtheBoilerOnorOff.Toswitchtheboiler“Off”YousimplyturnthedialAnticlockwisetothe“Offposition.”Indicator(1)willflashandtheboilerwillshutdownandstopheat-ingthesystem.Thepumpwillrunforafurther90secondsthenturnoff.Iftheboilerisleftintheoffpositionthecontrolsystemwillrunthepumpperiodicallytopreventsystemfailure.Toswitchtheboiler“On”simplyturnthedialClockwisetoyourdesiredtemperaturesettinggenerallyaround

65degC.Theboilerwillnowsitinstandbywaitingforacallfromtheexternalcontrolstofireandheatthesystemwhenrequired.

LED Functions and Fault Finding

FUNCTIONS ON-OFFSTAND-BY

BOILERHEATING

CALL FOR HEAT

WARNINGINDICATOR

All LED’s OffCheckthatMainPowerisON?

Check–WT3OverHeatStat?IfWT3requiresre-setinginvestigatethecause!

off off off off

Boiler is ON WaitingforCallfromexternalcontrols. on off off off

Boiler is ON and running.ExternalControlsareCallingforheat on on on off

Low Water LevelTopupHeatingSystemWaterLevel. off off off on

Temperature Sensor Failure.Theboilerwillstillheatiftheinletsensorhas

failedbutnottheoutletsensor!ReplaceBothSensors.

Overheatingcanbepossible(“MaxInlettemperaturereached”-condition).Controller

decreaseapowerinthissituation.

off flashing off on

Max Inlet Temperature reached.Nodemandfromsystem. on off flashing off

Boiler OffLEDwillflashfor90secondsuntilthepump

stops. flashing off off off

Figure 3

18GB-063C_f.615

EHCPartNumber: EHCSJIM 4KW

EHCSJIM 7KW

EHCSJIM 10KW

EHCSJIM 12KW

EHCSJIM 14.4KW

Boilerrange kW 4kW 7kW 10kW 12kW 14.4kW

Pipeentryboilers-flow top

Pipeentryboilers-return bottom

Centralheatingflow&returnpipes mm 22

Maxpressure bar 3

Min.pressure bar 0,5

Outflowwatertemperature °C 30÷80

Max.watertemperature °C 100

Overalldimensions(heightxwidthxdepth) mm 912x203x172

Weight kg 11

Waterconnection mm 22

Safetyclass IP22

Electricalsupply VAC 240V1ph50Hz

Loadcurrent A 16,7 29,2 41,7 50,0 60,0

Minimumpermittedcablediameter mm 6 10 16

Heatoutput(Btu/h) BTU/h 13648 23885 34121 40946 49135

Temperaturesetting(factoryset) °C 80

Min.temperaturesetting °C 30

Overheatprotection °C 100

Protection A 20 40 50 63 80

TECHNICAL SPECIFICATION

Pos. Service code Picture number Name Amount

(pcs) Notice

1

01629 EKCO.A1-01.00.00/01 HeatingboxEKCO.A14kW/230V

1 E1

01630 EKCO.A1-01.00.00/02 HeatingboxEKCO.A17kW/230V

01631 EKCO.A1-01.00.00/03 HeatingboxEKCO.A110kW/230V

01632 EKCO.A1-01.00.00/04 HeatingboxEKCO.A112kW/230V

01633 EKCO.A1-01.00.00/05 HeatingboxEKCO.A114,4kW/230V

2

3 01635 EKCO.A1-03.02.00 FrontcoverEKCO.A1 1

4 01636 EKCO.A1-03.01.00 BasehousingEKCO.A1 1

5 01641 EKCO.A1-02.00.00 ControlpanelEKCO.A1 1 A3

6 01640 EKCO.A1-00.01.00 InteriorbracketEKCO.A1 1

7 01196 WE-020 Returntemperaturesensor 1 Tin,T1

8 01393 01.151.0009.0 ContactorRIK25-40/230VEKCO.A 1 RIK

9 01394 WT3a-00.00.00/06 WT-3safetycut-outEKCO.A 1 F1

10 01638 PCA-MSK.71 BoardMSK-71EKCO.A1 1 A2

11 01389 EKCO.A-10.00.00 PowerboardEKCO.A 1 A1

12 00791 WE-005/02 Flowtemperaturesensor 1 Tout,T2

13 01639 WE-030 Watersensor 1 SPW

14 01637 WP-146 KnobWP-146 1

15 Wireclamping 1

16 WM-172 Earthconnector 1

17 MARCOPOL ScrewTW4.1x20PZ 2

18 MARCOPOL ScrewTW3.6x9TX 3

19 MARCOPOL ScrewTW3,6x16TX 2

20 ScrewTW3,6x13TX 2

21 MARCOPOL Self-formingscrewFWWM3x6TX 2

22 PN-86/M-82202 ScrewM4x8 2 Frontcovermount

23 01.232.0007.0 ElementLCBS-7-01 2 MSK-71mount

24 ADSYS ElementR912-7 2

25 ScrewM4x6 3 Powerboardmount

26 Terminalstrip4E25PA/GVVO 1 XP

PARTS LIST TABLE

electric heating company ltdUnit 40, Block 5

Third RoadBlantyre Industrial Estate

BlantyreGlasgow

G72 0UP

Tel: 01698 820533 Fax: 01698 825697

www.electric-heatingcompany.co.ukwww.ehc-renewables.co.uk