Danfoss ECL Comfort 210 User manual

OperatingGuide
ECLComfort210/310,applicationA231/A331
1.0TableofContents
1.0TableofContents...............................................1
1.1Importantsafetyandproductinformation.....................2
2.0nstallation........................................................5
2.1Beforeyoustart.....................................................5
2.2Identifyingthesystemtype......................................13
2.3Mounting...........................................................14
2.4Placingthetemperaturesensors................................18
2.5Electricalconnections.............................................20
2.InsertingtheECLApplicationKey..............................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................................................4
3.Manualcontrol.....................................................47
3.7Schedule............................................................48
4.0Settingsoverview............................................49
5.0Settings...........................................................51
5.1IntroductiontoSettings..........................................51
5.2Flowtemperature..................................................52
5.3Returnlimit.........................................................57
5.4Flow/powerlimit.................................................1
5.5Optimization........................................................5
5.Controlparameters................................................71
5.7Pumpcontrol.......................................................75
5.8Refillwater..........................................................78
5.9Application.........................................................83
5.10Alarm................................................................88
5.11Alarmoverview....................................................91
6.0Commoncontrollersettings..............................92
.1Introductionto‘Commoncontrollersettings’................92
.2Time&Date.........................................................93
.3Holiday..............................................................94
.4Inputoverview.....................................................9
.5Log...................................................................97
.Outputoverride....................................................98
.7Keyfunctions.......................................................99
.8System.............................................................101
7.0Miscellaneous................................................108
7.1ECA30/31setupprocedures.................................108
7.2Overridefunction................................................11
7.3Severalcontrollersinthesamesystem......................119
7.4Frequentlyaskedquestions....................................122
7.5Definitions........................................................125
7.Type(ID001),overview.......................................128
7.7ParameterIDoverview..........................................129
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1.1mportantsafetyandproductinformation
1.1.1mportantsafetyandproductinformation
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(ECL29)).Thefollowinganimationwillbeshownwhenthe
softwareisbeingupdated:
Progressbar
Duringupdate:
•DonotremovetheKEY
Ifthekeyisremovedbeforethehour-glassisshown,youhave
tostartafresh.
•Donotdisconnectthepower
Ifthepowerisinterruptedwhenthehour-glassisshown,the
controllerwillnotwork.
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OperatingGuideECLComfort210/310,applicationA231/A331

SafetyNote
Toavoidinjuryofpersonsanddamagestothedevice,itisabsolutely
necessarytoreadandobservetheseinstructionscarefully.
Necessaryassembly,start-up,andmaintenanceworkmustbe
performedbyqualifiedandauthorizedpersonnelonly.
Locallegislationsmustberespected.Thiscomprisesalsocable
dimensionsandtypeofisolation(doubleisolatedat230V).
AfusefortheECLComfortinstallationismax.10Atypically.
TheambienttemperaturerangesforECLComfortinoperationare:
ECLComfort210/310:0-55°C
ECLComfort29:0-45°C.
Exceedingthetemperaturerangecanresultinmalfunctions.
Installationmustbeavoidedifthereisariskforcondensation(dew).
Thewarningsignisusedtoemphasizespecialconditionsthatshould
betakenintoconsideration.
Thissymbolindicatesthatthisparticularpieceofinformationshould
bereadwithspecialattention.
AsthisOperatingGuidecoversseveralsystemtypes,specialsystem
settingswillbemarkedwithasystemtype.Allsystemtypesareshown
inthechapter:'Identifyingyoursystemtype'.
°C(degreesCelsius)isameasuredtemperaturevaluewhereasK
(Kelvin)oftenisusedfortemperaturedifferences.
TheIDno.isuniquefortheselectedparameter.
ExampleFirstdigitSeconddigitLastthreedigits
1117411174
-Circuit1Parameterno.
1217412174
-Circuit2Parameterno.
IfanIDdescriptionismentionedmorethanonce,itmeansthatthere
arespecialsettingsforoneormoresystemtypes.Itwillbemarked
withthesystemtypeinquestion(e.g.12174-A2.9).
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OperatingGuideECLComfort210/310,applicationA231/A331

ParametersindicatedwithanIDno.like"1x07"meanauniversal
parameter.
xstandsforcircuit/parametergroup.
DisposalNote
Thisproductshouldbedismantledanditscomponents
sorted,ifpossible,invariousgroupsbeforerecycling
ordisposal.
Alwaysfollowthelocaldisposalregulations.
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OperatingGuideECLComfort210/310,applicationA231/A331

2.0nstallation
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:
S1Outdoortemperaturesensor
S3lowtemperaturesensor
S5Returntemperaturesensor
S7Differentialpressureswitch
S8Pressuretransmitterorpressureswitch
P1Circulationpump
P2Circulationpump
P3Refillwaterpump
M1Motorizedcontrolvalve
V1Solenoidvalve,refillwatervalve
R4Relayoutput,alarm
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OperatingGuideECLComfort210/310,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:
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OperatingGuideECLComfort210/310,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:
S1Outdoortemperaturesensor
S2Supplyflowtemperaturesensor
S3lowtemperaturesensor
S5Returntemperaturesensor
S7Differentialpressureswitch
S8Pressuretransmitterorpressureswitch
P1Circulationpump
P2Circulationpump
P3Refillwaterpump
M1Motorizedcontrolvalve
V1Solenoidvalve,refillwatervalve
R4Relayoutput,alarm
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OperatingGuideECLComfort210/310,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:
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OperatingGuideECLComfort210/310,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:
S1Outdoortemperaturesensor
S3lowtemperaturesensor
S5Returntemperaturesensor
S7Differentialpressureswitch
S8Pressuretransmitterorpressureswitch
S9Alarminput
S10Pressuretransmitter(formonitoringonly)
P1Circulationpump
P2Circulationpump
P3Refillwaterpump
P5Refillwaterpump
M1Motorizedcontrolvalve
V1Solenoidvalve,refillwatervalve
R6Relayoutput,alarm
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OperatingGuideECLComfort210/310,applicationA231/A331

ApplicationA331.1ingeneral:
ThecirculationpumpsP1andP2workinshiftaccordingtoa
schedule.Onepumpisusedassparepumpandtheotherpump
isworking.Incaseofmalfunction(missingdifferentialpressure)
ofonepump,theotherpumpwilltakeover.Analarmwillbe
generatedandthedefectivepumpcanbeinspected/repaired.
Alarm(relay)canbeactivatedif:
•Theactualflowtemperaturediffersfromthedesiredflow
temperature.
•Theactivatedcirculationpumpdoesnotgenerateapressure
difference.
•Therefillwaterfunctiondoesnotgenerateapressurewithin
apresettime.
•TheuniversalalarminputsS9isactivated.
ModbuscommunicationtoaSCADAsystemcanbeestablished.
M-buscommunicationenablesconnectiontofloworenergymeter.
Thecontrollercanlimitthefloworenergytoasetmaximumbut
alsoinrelationtotheoutdoortemperature.
Furthermore,theM-busdatacanbetransferredtotheModbus
communication.
TypicalA331.1application:
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OperatingGuideECLComfort210/310,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:
S1Outdoortemperaturesensor
S2Supplyflowtemperaturesensor
S3lowtemperaturesensor
S5Returntemperaturesensor
S7Differentialpressureswitch
S8Pressuretransmitterorpressureswitch
S9Alarminput
S10Pressuretransmitter(formonitoringonly)
P1Circulationpump
P2Circulationpump
P3Refillwaterpump
P5Refillwaterpump
M1Motorizedcontrolvalve
V1Solenoidvalve,refillwatervalve
R6Relayoutput,alarm
VI.LG.P2.02©Danfoss|2017.11|11
OperatingGuideECLComfort210/310,applicationA231/A331

ApplicationA331.2ingeneral:
ThecirculationpumpsP1andP2workinshiftaccordingtoa
schedule.Onepumpisusedassparepumpandtheotherpump
isworking.Incaseofmalfunction(missingdifferentialpressure)
ofonepump,theotherpumpwilltakeover.Analarmwillbe
generatedandthedefectivepumpcanbeinspected/repaired.
Alarm(relay)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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OperatingGuideECLComfort210/310,applicationA231/A331

2.2dentifyingthesystemtype
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.
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OperatingGuideECLComfort210/310,applicationA231/A331

2.3Mounting
2.3.1MountingtheECLComfortcontroller
SeetheInstallationGuidewhichisdeliveredtogetherwiththe
ECLComfortcontroller.
Foreasyaccess,youshouldmounttheECLComfortcontrollernear
thesystem.
ECLComfort210/29/310canbemounted
•onawall
•onaDINrail(35mm)
ECLComfort29canbemounted
•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!
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OperatingGuideECLComfort210/310,applicationA231/A331

Theeasywaytolockthecontrollertoitsbaseorunlockitistousea
screwdriveraslever.
Mountingonawall
Mountthebasepartonawallwithasmoothsurface.Establishthe
electricalconnectionsandpositionthecontrollerinthebasepart.
Securethecontrollerwiththelockingpin.
MountingonaDNrail(35mm)
MountthebasepartonaDINrail.Establishtheelectrical
connectionsandpositionthecontrollerinthebasepart.Secure
thecontrollerwiththelockingpin.
DismountingtheECLComfortcontroller
Inordertoremovethecontrollerfromthebasepart,pulloutthe
lockingpinbymeansofascrewdriver.Thecontrollercannowbe
removedfromthebasepart.
Theeasywaytolockthecontrollertoitsbaseorunlockitistousea
screwdriveraslever.
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OperatingGuideECLComfort210/310,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.087H323).Establishtheelectricalconnections.Securethe
framewiththeclamp.PlacetheECA30inthebasepart.TheECA
30canbeconnectedtoanexternalroomtemperaturesensor.
TheECA31mustnotbemountedinapanelifthehumidity
functionistobeused.
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OperatingGuideECLComfort210/310,applicationA231/A331

2.3.3Mountingtheinternal/OmoduleECA32
Mountingoftheinternal/OmoduleECA32
TheECA32module(ordercodeno.087H3202)mustbeinserted
intotheECLComfort310/310Bbasepartforadditionalinputand
outputsignalsinrelevantapplications.
TheconnectionbetweentheECLComfort310/310BandECA32
isa10-pole(2x5)connector.Theconnectionisautomatically
establishedwhentheECLComfort310/310Bisplacedonthe
basepart.
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OperatingGuideECLComfort210/310,applicationA231/A331

2.4Placingthetemperaturesensors
2.4.1Placingthetemperaturesensors
Itisimportantthatthesensorsaremountedinthecorrectposition
inyoursystem.
Thetemperaturesensormentionedbelowaresensorsusedforthe
ECLComfort210/29/310serieswhichnotallwillbeneeded
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.
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Pt1000temperaturesensor(EC751B,1000Ω/0°C)Relationshipbetweentemperatureandohmicvalue:
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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
ECL29
SeealsotheInstallationGuide(deliveredwiththeapplicationkey)
forapplicationspecificconnections.
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