Danfoss ECL Comfort 210/296/ 310, A231/A331 Operating instructions

OperatingGuide

ECLComfort210/296/310,applicationA231/

A331

1.0TableofContents

1.0TableofContents...............................................1

1.1Importantsafetyandproductinformation.....................2

2.0Installation........................................................5

2.1Beforeyoustart.....................................................5

2.2Identifyingthesystemtype......................................13

2.3Mounting...........................................................14

2.4Placingthetemperaturesensors................................18

2.5Electricalconnections.............................................20

2.6InsertingtheECLApplicationKey..............................28

2.7Checklist............................................................34

2.8Navigation,ECLApplicationKeyA231/A331................35

3.0Dailyuse.........................................................41

3.1Howtonavigate...................................................41

3.2Understandingthecontrollerdisplay..........................42

3.3Ageneraloverview:Whatdothesymbolsmean?...........44

3.4Monitoringtemperaturesandsystem

components........................................................45

3.5Inﬂuenceoverview................................................46

3.6Manualcontrol.....................................................47

3.7Schedule............................................................48

4.0Settingsoverview............................................49

5.0Settings...........................................................51

5.1IntroductiontoSettings..........................................51

5.2Flowtemperature..................................................52

5.3Returnlimit.........................................................57

5.4Flow/powerlimit.................................................61

5.5Optimization........................................................65

5.6Controlparameters................................................71

5.7Pumpcontrol.......................................................75

5.8Reﬁllwater..........................................................78

5.9Application.........................................................83

5.10Alarm................................................................88

5.11Alarmoverview....................................................91

6.0Commoncontrollersettings..............................92

6.1Introductionto‘Commoncontrollersettings’................92

6.2Time&Date.........................................................93

6.3Holiday..............................................................94

6.4Inputoverview.....................................................96

6.5Log...................................................................97

6.6Outputoverride....................................................98

6.7Keyfunctions.......................................................99

6.8System.............................................................101

7.0Miscellaneous................................................108

7.1ECA30/31setupprocedures.................................108

7.2Overridefunction................................................116

7.3Severalcontrollersinthesamesystem......................119

7.4Frequentlyaskedquestions....................................122

7.5Deﬁnitions........................................................125

7.6Type(ID6001),overview.......................................128

7.7ParameterIDoverview..........................................129

©Danfoss|2018.01VI.LG.P2.02|1

1.1Importantsafetyandproductinformation

1.1.1Importantsafetyandproductinformation

ThisInstallationGuideisassociatedwithECLApplicationKeyA231

(ordercodeno.087H3805).

TheA231Keycontainstwosetsofapplications:oneset(A231.1/

A231.2)andanotherset(A331.1/A331.2).

Thefunctionscanberealizedin:

ECLComfort210(A231)forsimplesolutionsor

ECLComfort310(A231/A331)fore.g.M-busandother

communicationaswellasprimarypressuremeasurement.

TheapplicationsA231/A331complywithECLComfortcontrollers

210/310asofsoftwareversion1.10(visibleatstart-upofthe

controllerandin‘Commoncontrollersettings’in‘System’).

AdditionaldocumentationforECLComfort210and310,modules

andaccessoriesisavailableonhttp://heating.danfoss.com/.

Applicationkeysmightbereleasedbeforealldisplaytextsare

translated.InthiscasethetextisinEnglish.

Automaticupdateofcontrollersoftware(ﬁrmware):

Thesoftwareofthecontrollerisupdatedautomaticallywhenthekey

isinserted(asofcontrollerversion1.11(ECL210/310)andversion

1.58(ECL296)).Thefollowinganimationwillbeshownwhenthe

softwareisbeingupdated:

Progressbar

Duringupdate:

•DonotremovetheKEY

Ifthekeyisremovedbeforethehour-glassisshown,youhave

tostartafresh.

•Donotdisconnectthepower

Ifthepowerisinterruptedwhenthehour-glassisshown,the

controllerwillnotwork.

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ECLComfort210/296/310,applicationA231/A331

SafetyNote

Toavoidinjuryofpersonsanddamagestothedevice,itisabsolutely

necessarytoreadandobservetheseinstructionscarefully.

Necessaryassembly,start-up,andmaintenanceworkmustbe

performedbyqualiﬁedandauthorizedpersonnelonly.

Locallegislationsmustberespected.Thiscomprisesalsocable

dimensionsandtypeofisolation(doubleisolatedat230V).

AfusefortheECLComfortinstallationismax.10Atypically.

TheambienttemperaturerangesforECLComfortinoperationare:

ECLComfort210/310:0-55°C

ECLComfort296:0-45°C.

Exceedingthetemperaturerangecanresultinmalfunctions.

Installationmustbeavoidedifthereisariskforcondensation(dew).

Thewarningsignisusedtoemphasizespecialconditionsthatshould

betakenintoconsideration.

Thissymbolindicatesthatthisparticularpieceofinformationshould

bereadwithspecialattention.

AsthisOperatingGuidecoversseveralsystemtypes,specialsystem

settingswillbemarkedwithasystemtype.Allsystemtypesareshown

inthechapter:'Identifyingyoursystemtype'.

°C(degreesCelsius)isameasuredtemperaturevaluewhereasK

(Kelvin)oftenisusedfortemperaturedifferences.

TheIDno.isuniquefortheselectedparameter.

ExampleFirstdigitSeconddigitLastthreedigits

1117411174

-

Circuit1

Parameterno.

12174

1

2

174

-

Circuit2

Parameterno.

IfanIDdescriptionismentionedmorethanonce,itmeansthatthere

arespecialsettingsforoneormoresystemtypes.Itwillbemarked

withthesystemtypeinquestion(e.g.12174-A266.9).

VI.LG.P2.02

©Danfoss|2018.01|3

ECLComfort210/296/310,applicationA231/A331

ParametersindicatedwithanIDno.like"1x607"meanauniversal

parameter.

xstandsforcircuit/parametergroup.

DisposalNote

Thisproductshouldbedismantledanditscomponents

sorted,ifpossible,invariousgroupsbeforerecycling

ordisposal.

Alwaysfollowthelocaldisposalregulations.

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ECLComfort210/296/310,applicationA231/A331

2.0Installation

2.1Beforeyoustart

TheapplicationA231.1isveryﬂexible.Thesearethebasic

principles:

Heating:

Typically,theﬂowtemperatureisadjustedaccordingtoyour

requirements.TheﬂowtemperaturesensorS3isthemost

importantsensor.ThedesiredﬂowtemperatureatS3iscalculated

intheECLcontroller,basedontheoutdoortemperature(S1).

Thelowertheoutdoortemperature,thehigherthedesiredﬂow

temperature.

Bymeansofaweekschedule,theheatingcircuitcanbein

‘Comfort’or‘Saving’mode(twodifferenttemperaturevaluesfor

desiredroomtemperature).

ThemotorizedcontrolvalvesM1isopenedgraduallywhenthe

ﬂowtemperatureislowerthanthedesiredﬂowtemperatureand

viceversa.

ThereturntemperatureS5tothedistrictheatingsupplyshouldnot

betoohigh.Ifso,thedesiredﬂowtemperaturecanbeadjusted

(typicallytoalowervalue),thusresultinginagradualclosingofthe

motorizedcontrolvalve.

Inboiler-basedheatingsupplythereturntemperatureshouldnot

betoolow(sameadjustmentprocedureasabove).

Furthermore,thereturntemperaturelimitationcanbedependent

oftheoutdoortemperature.Typically,thelowertheoutdoor

temperature,thehighertheacceptedreturntemperature.

ThecirculationpumpinquestionisONatheatdemandoratfrost

protection.

TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis

higherthanaselectablevalue.

Thestaticpressureonthesecondaryside(consumerside)can1)

bemeasuredasa0-10Vsignal(fromapressuretransmitter)or

2)beaswitchsignalfromapressureswitch.Incaseofatoolow

pressure,thereﬁllwaterfunctionwillsupplementwithwaterfrom

thesupplyside.

WhentheECLComfortcontrolleroperatesasaslave,onlythereﬁll

watervalveiscontrolled.Themastercontrolsacommonreﬁll

waterpumpfortheentiresystem.

TypicalA231.1application:

Theshowndiagramisafundamentalandsimpliﬁedexampleanddoes

notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

S1

Outdoortemperaturesensor

S3

Flowtemperaturesensor

S5

Returntemperaturesensor

S7

Differentialpressureswitch

S8

Pressuretransmitterorpressureswitch

P1

Circulationpump

P2

Circulationpump

P3

Reﬁllwaterpump

M1

Motorizedcontrolvalve

V1

Solenoidvalve,reﬁllwatervalve

R4

Relayoutput,alarm

VI.LG.P2.02

©Danfoss|2018.01|5

ECLComfort210/296/310,applicationA231/A331

ApplicationA231.1ingeneral:

ThecirculationpumpsP1andP2workinshiftaccordingtoa

schedule.Onepumpisusedassparepumpandtheotherpump

isworking.Incaseofmalfunction(missingdifferentialpressure)

ofonepump,theotherpumpwilltakeover.Analarmwillbe

generatedandthedefectivepumpcanbeinspected/repaired.

Alarm(relay4)canbeactivatedif:

•Theactualﬂowtemperaturediffersfromthedesiredﬂow

temperature.

•Theactivatedcirculationpumpdoesnotgenerateapressure

difference.

•Thereﬁllwaterfunctiondoesnotgenerateapressurewithin

apresettime.

TypicalA231.1application:

6|©Danfoss|2018.01

VI.LG.P2.02

ECLComfort210/296/310,applicationA231/A331

TheapplicationA231.2isveryﬂexible.Thesearethebasic

principles:

Heating:

Typically,theﬂowtemperatureisadjustedaccordingtoyour

requirements.TheﬂowtemperaturesensorS3isthemost

importantsensor.ThedesiredﬂowtemperatureatS3iscalculated

intheECLcontroller,basedontheoutdoortemperature(S1).

Thelowertheoutdoortemperature,thehigherthedesiredﬂow

temperature.

Thesupplytemperature(S2)isusedto1)controltheS3

temperatureinrelationtotheS2temperatureor2)maximizethe

limitofthedesiredﬂowtemperature.

Thefactorysetting,wherethesupplytemperature(S2)determines

thedesiredﬂowtemperature,doesnotchangethedesiredﬂow

temperatureaccordingto‘Comfort’or‘Saving’mode.

However,ifthesupplytemperature(S2)determinesamax.

limitationofthedesiredﬂowtemperature,the‘Comfort’and

‘Saving’modewillhavetwodifferenttemperaturevaluesfor

desiredroomtemperature.

ThemotorizedcontrolvalveM1isopenedgraduallywhenthe

ﬂowtemperatureislowerthanthedesiredﬂowtemperatureand

viceversa.

ThereturntemperatureS5tothedistrictheatingsupplyshouldnot

betoohigh.Ifso,thedesiredﬂowtemperaturecanbeadjusted

(typicallytoalowervalue),thusresultinginagradualclosingofthe

motorizedcontrolvalve.

Inboiler-basedheatingsupplythereturntemperatureshouldnot

betoolow(sameadjustmentprocedureasabove).

Furthermore,thereturntemperaturelimitationcanbedependent

oftheoutdoortemperature.Typically,thelowertheoutdoor

temperature,thehighertheacceptedreturntemperature.

ThecirculationpumpinquestionisONatheatdemandoratfrost

protection.

TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis

higherthanaselectablevalue.

Thestaticpressureonthesecondaryside(consumerside)can1)

bemeasuredasa0-10Vsignal(fromapressuretransmitter)or

2)beaswitchsignalfromapressureswitch.Incaseofatoolow

pressure,thereﬁllwaterfunctionwillsupplementwithwaterfrom

thesupplyside.

WhentheECLComfortcontrolleroperatesasaslave,onlythereﬁll

watervalveiscontrolled.Themastercontrolsacommonreﬁll

waterpumpfortheentiresystem.

TypicalA231.2application:

Theshowndiagramisafundamentalandsimpliﬁedexampleanddoes

notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

S1

Outdoortemperaturesensor

S2

Supplyﬂowtemperaturesensor

S3

Flowtemperaturesensor

S5

Returntemperaturesensor

S7

Differentialpressureswitch

S8

Pressuretransmitterorpressureswitch

P1

Circulationpump

P2

Circulationpump

P3

Reﬁllwaterpump

M1

Motorizedcontrolvalve

V1

Solenoidvalve,reﬁllwatervalve

R4

Relayoutput,alarm

VI.LG.P2.02

©Danfoss|2018.01|7

ECLComfort210/296/310,applicationA231/A331

ApplicationA231.2ingeneral:

ThecirculationpumpsP1andP2workinshiftaccordingtoa

schedule.Onepumpisusedassparepumpandtheotherpump

isworking.Incaseofmalfunction(missingdifferentialpressure)

ofonepump,theotherpumpwilltakeover.Analarmwillbe

generatedandthedefectivepumpcanbeinspected/repaired.

Alarm(relay4)canbeactivatedif:

•Theactualﬂowtemperaturediffersfromthedesiredﬂow

temperature.

•Theactivatedcirculationpumpdoesnotgenerateapressure

difference.

•Thereﬁllwaterfunctiondoesnotgenerateapressurewithin

apresettime.

TypicalA231.2application:

8|©Danfoss|2018.01

VI.LG.P2.02

ECLComfort210/296/310,applicationA231/A331

TheapplicationA331.1isveryﬂexible.Thesearethebasic

principles:

Heating:

Typically,theﬂowtemperatureisadjustedaccordingtoyour

requirements.TheﬂowtemperaturesensorS3isthemost

importantsensor.ThedesiredﬂowtemperatureatS3iscalculated

intheECLcontroller,basedontheoutdoortemperature(S1).

Thelowertheoutdoortemperature,thehigherthedesiredﬂow

temperature.

Bymeansofaweekschedule,theheatingcircuitcanbein

‘Comfort’or‘Saving’mode(twodifferenttemperaturevaluesfor

desiredroomtemperature).

ThemotorizedcontrolvalvesM1isopenedgraduallywhenthe

ﬂowtemperatureislowerthanthedesiredﬂowtemperatureand

viceversa.

ThereturntemperatureS5tothedistrictheatingsupplyshouldnot

betoohigh.Ifso,thedesiredﬂowtemperaturecanbeadjusted

(typicallytoalowervalue),thusresultinginagradualclosingofthe

motorizedcontrolvalve.

Inboiler-basedheatingsupplythereturntemperatureshouldnot

betoolow(sameadjustmentprocedureasabove).

Furthermore,thereturntemperaturelimitationcanbedependent

oftheoutdoortemperature.Typically,thelowertheoutdoor

temperature,thehighertheacceptedreturntemperature.

ThecirculationpumpinquestionisONatheatdemandoratfrost

protection.

TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis

higherthanaselectablevalue.

Thestaticpressureonthesecondaryside(consumerside)can1)be

measuredasa0-10Vsignal(fromapressuretransmitter)or2)bea

switchsignalfromapressureswitch.Incaseofatoolowpressure,

thereﬁllwaterfunctionwillsupplementwithwaterfromthe

supplyside.Thetworeﬁllwaterpumpsareoperatedalternately.

WhentheECLComfortcontrolleroperatesasaslave,onlythereﬁll

watervalveiscontrolled.Themastercontrolsacommonreﬁll

waterpumpfortheentiresystem.

TypicalA331.1application:

Theshowndiagramisafundamentalandsimpliﬁedexampleanddoes

notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

S1

Outdoortemperaturesensor

S3

Flowtemperaturesensor

S5

Returntemperaturesensor

S7

Differentialpressureswitch

S8

Pressuretransmitterorpressureswitch

S9

Alarminput

S10

Pressuretransmitter(formonitoringonly)

P1

Circulationpump

P2

Circulationpump

P3

Reﬁllwaterpump

P5

Reﬁllwaterpump

M1

Motorizedcontrolvalve

V1

Solenoidvalve,reﬁllwatervalve

R6

Relayoutput,alarm

VI.LG.P2.02

©Danfoss|2018.01|9

ECLComfort210/296/310,applicationA231/A331

ApplicationA331.1ingeneral:

ThecirculationpumpsP1andP2workinshiftaccordingtoa

schedule.Onepumpisusedassparepumpandtheotherpump

isworking.Incaseofmalfunction(missingdifferentialpressure)

ofonepump,theotherpumpwilltakeover.Analarmwillbe

generatedandthedefectivepumpcanbeinspected/repaired.

Alarm(relay6)canbeactivatedif:

•Theactualﬂowtemperaturediffersfromthedesiredﬂow

temperature.

•Theactivatedcirculationpumpdoesnotgenerateapressure

difference.

•Thereﬁllwaterfunctiondoesnotgenerateapressurewithin

apresettime.

•TheuniversalalarminputsS9isactivated.

ModbuscommunicationtoaSCADAsystemcanbeestablished.

M-buscommunicationenablesconnectiontoﬂoworenergymeter.

Thecontrollercanlimittheﬂoworenergytoasetmaximumbut

alsoinrelationtotheoutdoortemperature.

Furthermore,theM-busdatacanbetransferredtotheModbus

communication.

TypicalA331.1application:

10|©Danfoss|2018.01

VI.LG.P2.02

ECLComfort210/296/310,applicationA231/A331

TheapplicationA331.2isveryﬂexible.Thesearethebasic

principles:

Heating:

Typically,theﬂowtemperatureisadjustedaccordingtoyour

requirements.TheﬂowtemperaturesensorS3isthemost

importantsensor.ThedesiredﬂowtemperatureatS3iscalculated

intheECLcontroller,basedontheoutdoortemperature(S1).

Thelowertheoutdoortemperature,thehigherthedesiredﬂow

temperature.

Thesupplytemperature(S2)isusedto1)controltheS3

temperatureinrelationtotheS2temperatureor2)maximizethe

limitofthedesiredﬂowtemperature.

Thefactorysetting,wherethesupplytemperature(S2)determines

thedesiredﬂowtemperature,doesnotchangethedesiredﬂow

temperatureaccordingto‘Comfort’or‘Saving’mode.

However,ifthesupplytemperature(S2)determinesamax.

limitationofthedesiredﬂowtemperature,the‘Comfort’and

‘Saving’modewillhavetwodifferenttemperaturevaluesfor

desiredroomtemperature.

ThemotorizedcontrolvalvesM1isopenedgraduallywhenthe

ﬂowtemperatureislowerthanthedesiredﬂowtemperatureand

viceversa.

ThereturntemperatureS5tothedistrictheatingsupplyshouldnot

betoohigh.Ifso,thedesiredﬂowtemperaturecanbeadjusted

(typicallytoalowervalue),thusresultinginagradualclosingofthe

motorizedcontrolvalve.

Inboiler-basedheatingsupplythereturntemperatureshouldnot

betoolow(sameadjustmentprocedureasabove).

Furthermore,thereturntemperaturelimitationcanbedependent

oftheoutdoortemperature.Typically,thelowertheoutdoor

temperature,thehighertheacceptedreturntemperature.

ThecirculationpumpinquestionisONatheatdemandoratfrost

protection.

TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis

higherthanaselectablevalue.

Thestaticpressureonthesecondaryside(consumerside)can1)be

measuredasa0-10Vsignal(fromapressuretransmitter)or2)bea

switchsignalfromapressureswitch.Incaseofatoolowpressure,

thereﬁllwaterfunctionwillsupplementwithwaterfromthe

supplyside.Thetworeﬁllwaterpumpsareoperatedalternately.

WhentheECLComfortcontrolleroperatesasaslave,onlythereﬁll

watervalveiscontrolled.Themastercontrolsacommonreﬁll

waterpumpfortheentiresystem.

TypicalA331.2application:

Theshowndiagramisafundamentalandsimpliﬁedexampleanddoes

notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

S1

Outdoortemperaturesensor

S2

Supplyﬂowtemperaturesensor

S3

Flowtemperaturesensor

S5

Returntemperaturesensor

S7

Differentialpressureswitch

S8

Pressuretransmitterorpressureswitch

S9

Alarminput

S10

Pressuretransmitter(formonitoringonly)

P1

Circulationpump

P2

Circulationpump

P3

Reﬁllwaterpump

P5

Reﬁllwaterpump

M1

Motorizedcontrolvalve

V1

Solenoidvalve,reﬁllwatervalve

R6

Relayoutput,alarm

VI.LG.P2.02

©Danfoss|2018.01|11

ECLComfort210/296/310,applicationA231/A331

ApplicationA331.2ingeneral:

ThecirculationpumpsP1andP2workinshiftaccordingtoa

schedule.Onepumpisusedassparepumpandtheotherpump

isworking.Incaseofmalfunction(missingdifferentialpressure)

ofonepump,theotherpumpwilltakeover.Analarmwillbe

generatedandthedefectivepumpcanbeinspected/repaired.

Alarm(relay6)canbeactivatedif:

•Theactualﬂowtemperaturediffersfromthedesiredﬂow

temperature.

•Theactivatedcirculationpumpdoesnotgenerateapressure

difference.

•Thereﬁllwaterfunctiondoesnotgenerateapressurewithin

apresettime.

•TheuniversalalarminputsS9isactivated.

ModbuscommunicationtoaSCADAsystemcanbeestablished.

M-buscommunicationenablesconnectiontoﬂoworenergymeter.

Thecontrollercanlimittheﬂoworenergytoasetmaximumbut

alsoinrelationtotheoutdoortemperature.

Furthermore,theM-busdatacanbetransferredtotheModbus

communication.

TypicalA331.2application:

Thecontrollerispre-programmedwithfactorysettingsthatareshown

inthe‘ParameterIDoverview’appendix.

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ECLComfort210/296/310,applicationA231/A331

2.2Identifyingthesystemtype

Sketchyourapplication

TheECLComfortcontrollerseriesisdesignedforawiderange

ofheating,domestichot-water(DHW)andcoolingsystemswith

differentconﬁgurationsandcapacities.Ifyoursystemdiffers

fromthediagramsshownhere,youmaywanttomakeasketch

ofthesystemabouttobeinstalled.Thismakesiteasiertouse

theOperatingGuide,whichwillguideyoustep-by-stepfrom

installationtoﬁnaladjustmentsbeforetheend-usertakesover.

TheECLComfortcontrollerisauniversalcontrollerthatcanbe

usedforvarioussystems.Basedontheshownstandardsystems,

itispossibletoconﬁgureadditionalsystems.Inthischapteryou

ﬁndthemostfrequentlyusedsystems.Ifyoursystemisnotquite

asshownbelow,ﬁndthediagramwhichhasthebestresemblance

withyoursystemandmakeyourowncombinations.

SeetheInstallationGuide(deliveredwiththeapplicationkey)for

applicationtypes/sub-types.

Thecirculationpump(s)inheatingcircuit(s)canbeplacedintheﬂow

aswellasthereturn.Placethepumpaccordingtothemanufacturer’s

speciﬁcation.

VI.LG.P2.02

©Danfoss|2018.01|13

ECLComfort210/296/310,applicationA231/A331

2.3Mounting

2.3.1MountingtheECLComfortcontroller

SeetheInstallationGuidewhichisdeliveredtogetherwiththe

ECLComfortcontroller.

Foreasyaccess,youshouldmounttheECLComfortcontrollernear

thesystem.

ECLComfort210/296/310canbemounted

•onawall

•onaDINrail(35mm)

ECLComfort296canbemounted

•inapanelcut-out

ECLComfort210canbemountedinanECLComfort310basepart

(forfutureupgrade).

Screws,PGcableglandsandrawlplugsarenotsupplied.

LockingtheECLComfort210/310controller

InordertofastentheECLComfortcontrollertoitsbasepart,secure

thecontrollerwiththelockingpin.

Topreventinjuriestopersonsorthecontroller,thecontrollerhasto

besecurelylockedintothebase.Forthispurpose,pressthelocking

pinintothebaseuntilaclickisheardandthecontrollernolonger

canberemovedfromthebase.

Ifthecontrollerisnotsecurelylockedintothebasepart,thereisarisk

thatthecontrollerduringoperationcanunlockfromthebaseandthe

basewithterminals(andalsothe230Va.c.connections)areexposed.

Topreventinjuriestopersons,alwaysmakesurethatthecontroller

issecurelylockedintoitsbase.Ifthisisnotthecase,thecontroller

shouldnotbeoperated!

VI.LG.P2.02

ECLComfort210/296/310,applicationA231/A331

Theeasywaytolockthecontrollertoitsbaseorunlockitistousea

screwdriveraslever.

Mountingonawall

Mountthebasepartonawallwithasmoothsurface.Establishthe

electricalconnectionsandpositionthecontrollerinthebasepart.

Securethecontrollerwiththelockingpin.

MountingonaDINrail(35mm)

MountthebasepartonaDINrail.Establishtheelectrical

connectionsandpositionthecontrollerinthebasepart.Secure

thecontrollerwiththelockingpin.

DismountingtheECLComfortcontroller

Inordertoremovethecontrollerfromthebasepart,pulloutthe

lockingpinbymeansofascrewdriver.Thecontrollercannowbe

removedfromthebasepart.

Theeasywaytolockthecontrollertoitsbaseorunlockitistousea

screwdriveraslever.

VI.LG.P2.02

ECLComfort210/296/310,applicationA231/A331

BeforeremovingtheECLComfortcontrollerfromthebasepart,ensure

thatthesupplyvoltageisdisconnected.

2.3.2MountingtheRemoteControlUnitsECA30/31

Selectoneofthefollowingmethods:

•Mountingonawall,ECA30/31

•Mountinginapanel,ECA30

Screwsandrawlplugsarenotsupplied.

Mountingonawall

MountthebasepartoftheECA30/31onawallwithasmooth

surface.Establishtheelectricalconnections.PlacetheECA30/

31inthebasepart.

Mountinginapanel

MounttheECA30inapanelusingtheECA30framekit(ordercode

no.087H3236).Establishtheelectricalconnections.Securethe

framewiththeclamp.PlacetheECA30inthebasepart.TheECA

30canbeconnectedtoanexternalroomtemperaturesensor.

TheECA31mustnotbemountedinapanelifthehumidity

functionistobeused.

VI.LG.P2.02

ECLComfort210/296/310,applicationA231/A331

2.3.3MountingtheinternalI/OmoduleECA32

MountingoftheinternalI/OmoduleECA32

TheECA32module(ordercodeno.087H3202)mustbeinserted

intotheECLComfort310/310Bbasepartforadditionalinputand

outputsignalsinrelevantapplications.

TheconnectionbetweentheECLComfort310/310BandECA32

isa10-pole(2x5)connector.Theconnectionisautomatically

establishedwhentheECLComfort310/310Bisplacedonthe

basepart.

VI.LG.P2.02

ECLComfort210/296/310,applicationA231/A331

2.4Placingthetemperaturesensors

2.4.1Placingthetemperaturesensors

Itisimportantthatthesensorsaremountedinthecorrectposition

inyoursystem.

Thetemperaturesensormentionedbelowaresensorsusedforthe

ECLComfort210/296/310serieswhichnotallwillbeneeded

foryourapplication!

Outdoortemperaturesensor(ESMT)

Theoutdoorsensorshouldbemountedonthatsideofthebuilding

whereitislesslikelytobeexposedtodirectsunshine.Itshouldnot

beplacedclosetodoors,windowsorairoutlets.

Flowtemperaturesensor(ESMU,ESM-11orESMC)

Placethesensormax.15cmfromthemixingpoint.Insystems

withheatexchanger,DanfossrecommendsthattheESMU-typeto

beinsertedintotheexchangerﬂowoutlet.

Makesurethatthesurfaceofthepipeiscleanandevenwhere

thesensorismounted.

Returntemperaturesensor(ESMU,ESM-11orESMC)

Thereturntemperaturesensorshouldalwaysbeplacedsothatit

measuresarepresentativereturntemperature.

Roomtemperaturesensor

(ESM-10,ECA30/31RemoteControlUnit)

Placetheroomsensorintheroomwherethetemperatureistobe

controlled.Donotplaceitonoutsidewallsorclosetoradiators,

windowsordoors.

Boilertemperaturesensor(ESMU,ESM-11orESMC)

Placethesensoraccordingtotheboilermanufacturer’s

speciﬁcation.

Airducttemperaturesensor(ESMB-12orESMUtypes)

Placethesensorsothatitmeasuresarepresentativetemperature.

DHWtemperaturesensor(ESMUorESMB-12)

PlacetheDHWtemperaturesensoraccordingtothemanufacturer’s

speciﬁcation.

Slabtemperaturesensor(ESMB-12)

Placethesensorinaprotectiontubeintheslab.

ESM-11:Donotmovethesensorafterithasbeenfastenedinorderto

avoiddamagetothesensorelement.

ESM-11,ESMCandESMB-12:Useheatconductingpasteforquick

measurementofthetemperature.

ESMUandESMB-12:Usingasensorpockettoprotectthesensorwill,

however,resultinaslowertemperaturemeasurement.

VI.LG.P2.02

ECLComfort210/296/310,applicationA231/A331

Pt1000temperaturesensor(IEC751B,1000Ω/0°C)

Relationshipbetweentemperatureandohmicvalue:

VI.LG.P2.02

ECLComfort210/296/310,applicationA231/A331

2.5Electricalconnections

2.5.1Electricalconnections230Va.c.

SafetyNote

Necessaryassembly,start-up,andmaintenanceworkmustbe

performedbyqualiﬁedandauthorizedpersonnelonly.

Locallegislationsmustberespected.Thiscomprisesalsocablesize

andisolation(reinforcedtype).

AfusefortheECLComfortinstallationismax.10Atypically.

TheambienttemperaturerangefortheECLComfortinoperationis

0-55°C.Exceedingthistemperaturerangecanresultinmalfunctions.

Installationmustbeavoidedifthereisariskforcondensation(dew).

Thecommongroundterminalisusedforconnectionofrelevant

components(pumps,motorizedcontrolvalves).

ECL210/310

ECL296

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)

forapplicationspeciﬁcconnections.

VI.LG.P2.02

ECLComfort210/296/310,applicationA231/A331

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Danfoss ECL Comfort 210/296/ 310, A231/A331 Operating instructions

Danfoss ECL Comfort 210/296/ 310, A231/A331 Operating instructions

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