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Danfoss ECL Comfort 210 / 296 / 310, A266 Operating instructions

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OperatingGuide
ECLComfort210/296/310,applicationA266
1.0TableofContents
1.0TableofContents...............................................1
1.1Importantsafetyandproductinformation.....................2
2.0Installation........................................................6
2.1Beforeyoustart.....................................................6
2.2Identifyingthesystemtype......................................14
2.3Mounting...........................................................15
2.4Placingthetemperaturesensors................................19
2.5Electricalconnections.............................................21
2.6InsertingtheECLApplicationKey..............................29
2.7Checklist............................................................35
2.8Navigation,ECLApplicationKeyA266.........................36
3.0Dailyuse.........................................................56
3.1Howtonavigate...................................................56
3.2Understandingthecontrollerdisplay..........................57
3.3Ageneraloverview:Whatdothesymbolsmean?...........60
3.4Monitoringtemperaturesandsystem
components........................................................61
3.5Influenceoverview................................................62
3.6Manualcontrol.....................................................63
3.7Schedule............................................................64
4.0Settingsoverview............................................65
5.0Settings...........................................................68
5.1IntroductiontoSettings..........................................68
5.2Flowtemperature..................................................69
5.3Roomlimit..........................................................72
5.4Returnlimit.........................................................74
5.5Flow/powerlimit.................................................80
5.6Optimization........................................................85
5.7Controlparameters................................................92
5.8Application.........................................................99
5.9Heatcut-out......................................................107
5.10Alarm..............................................................110
5.11Alarmoverview..................................................116
5.12Anti-bacteria......................................................117
6.0Commoncontrollersettings............................119
6.1Introductionto‘Commoncontrollersettings’..............119
6.2Time&Date.......................................................120
6.3Holiday............................................................121
6.4Inputoverview...................................................123
6.5Log.................................................................124
6.6Outputoverride..................................................125
6.7Keyfunctions.....................................................126
6.8System.............................................................128
7.0Miscellaneous................................................135
7.1ECA30/31setupprocedures.................................135
7.2Overridefunction................................................143
7.3Severalcontrollersinthesamesystem......................146
7.4Frequentlyaskedquestions....................................149
7.5Definitions........................................................152
7.6Type(ID6001),overview.......................................155
7.7ParameterIDoverview..........................................156
©Danfoss|2018.01VI.KT.X4.02|1
1.1Importantsafetyandproductinformation
1.1.1Importantsafetyandproductinformation
ThisInstallationGuideisassociatedwithECLApplicationKeyA266
(ordercodeno.087H3800).
TheECLApplicationKeyA266contains4subtypes,allapplicablein
ECLComfort210and310:
•A266.1:HeatingandDHW
•A266.2:HeatingandadvancedDHW
•A266.9:HeatinginclusivepressuremonitoringandDHW.
Returntemperaturemonitoringonheatingside.
•A266.10:HeatingandDHW.Returntemperaturemonitoringon
heatingside.
SeetheMountingGuide(deliveredwiththeapplicationkey)for
applicationexamplesandelectricalconnections.
ThedescribedfunctionsarerealizedinECLComfort210forbasic
solutionsandinECLComfort310foradvancedsolutions,for
exampleM-bus,ModbusandEthernet(Internet)communication.
TheapplicationKeyA266complieswithECLComfort210and
ECLComfort310controllersasofsoftwareversion1.11(visible
atstart-upofthecontrollerandin'Commoncontrollersettings'
in'System').
UptotwoRemoteControlUnits,ECA30orECA31,canbe
connectedandthebuilt-inroomtemperaturesensorcanbe
utilized.
TogetherwiththeECLComfort310,theadditionalInternalI/O
moduleECA32(ordercodeno.087H3202)canbeusedforextra
datacommunicationtoSCADA:
•Temperature,Pt1000(default)
•0-10voltsignals
Theset-upofinputtypecanbedonebymeansoftheDanfoss
Software"ECLTool".
Navigation:Danfoss.com>Products&Solutions>DistrictHeating
andCooling>Tools&Software>ECLTool.
TheURLis:http://heating.danfoss.com/download
TheInternalI/OmoduleECA32isplacedinthebasepartforECL
Comfort310.
ECLComfort210isavailableas:
•ECLComfort210,230volta.c.(087H3020)
•ECLComfort210B,230volta.c.(087H3030)
ECLComfort310isavailableas:
•ECLComfort310,230volta.c.(087H3040)
•ECLComfort310B,230volta.c.(087H3050)
•ECLComfort310,24volta.c.(087H3044)
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OperatingGuideECLComfort210/296/310,applicationA266
TheB-typeshavenodisplayanddial.TheB-typesareoperatedby
meansoftheRemoteControlunitECA30/31:
•ECA30(087H3200)
•ECA31(087H3201)
BasepartsforECLComfort:
•forECLComfort210,230volt(087H3220)
•forECLComfort310,230voltand24volt(087H3230)
AdditionaldocumentationforECLComfort210and310,modules
andaccessoriesisavailableonhttp://heating.danfoss.com/.
DocumentationforECLPortal:Seehttp://ecl.portal.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.
VI.KT.X4.02
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OperatingGuideECLComfort210/296/310,applicationA266
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).
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OperatingGuideECLComfort210/296/310,applicationA266
ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.
xstandsforcircuit/parametergroup.
DisposalNote
Thisproductshouldbedismantledanditscomponents
sorted,ifpossible,invariousgroupsbeforerecycling
ordisposal.
Alwaysfollowthelocaldisposalregulations.
VI.KT.X4.02
©Danfoss|2018.01|5
OperatingGuideECLComfort210/296/310,applicationA266
2.0Installation
2.1Beforeyoustart
TheECLApplicationkeyA266contains4subtypes,A266.1,
A266.2,A266.9andA266.10whicharealmostidentical.
TheapplicationA266.1isveryflexible.Thesearethebasic
principles:
Heating(circuit1):
Typically,theflowtemperatureisadjustedaccordingtoyour
requirements.Theflowtemperaturesensor(S3)isthemost
importantsensor.ThedesiredflowtemperatureatS3iscalculated
intheECLcontroller,basedontheoutdoortemperature(S1)and
thedesiredroomtemperature.Thelowertheoutdoortemperature,
thehigherthedesiredflowtemperature.
Bymeansofaweekschedule,theheatingcircuitcanbein‘Comfort’
or‘Saving’mode(twovaluesforthedesiredroomtemperature).
InSavingmodetheheatingcanbereducedorswitchedofftotally.
Themotorizedcontrolvalve(M2)isopenedgraduallywhenthe
flowtemperatureislowerthanthedesiredflowtemperatureand
viceversa.
Thereturntemperature(S5)canbelimited,forexamplenottobe
toohigh.Ifso,thedesiredflowtemperatureatS3canbeadjusted
(typicallytoalowervalue),thusresultinginagradualclosingof
themotorizedcontrolvalve.Furthermore,thereturntemperature
limitationcanbedependentontheoutdoortemperature.
Typically,thelowertheoutdoortemperature,thehigherthe
acceptedreturntemperature.
Inboiler-basedheatingsupplythereturntemperatureshouldnot
betoolow(sameadjustmentprocedureasabove).
Ifthemeasuredroomtemperaturedoesnotequalthedesired
roomtemperature,thedesiredflowtemperaturecanbeadjusted.
Thecirculationpump,P2,isONatheatdemandoratfrost
protection.
TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis
higherthanaselectablevalue.
Aconnectedfloworenergymeterbasedonpulses(S7)canlimit
thefloworenergytoasetmaximumvalue.Furthermorethe
limitationcanbeinrelationtotheoutdoortemperature.Typically,
thelowertheoutdoortemperature,thehighertheacceptedflow/
power.WhentheA266.1isusedinanECLComfort310theflow/
energysignalcanalternativelycomeasanM-bussignal.
Thefrostprotectionmodemaintainsaselectableflowtemperature,
forexample10°C.
DHW(circuit2):
IfthemeasuredDHWtemperature(S4)islowerthanthedesired
DHWtemperature,themotorizedcontrolvalve(M1)isopened
graduallyandviceversa.
Thereturntemperature(S6)canbelimitedtoafixedvalue.
Bymeansofaweekschedule,theDHWcircuitcanbein‘Comfort’
or‘Saving’mode(twovaluesforthedesiredDHWtemperature).
TypicalA266.1application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL210/310
ElectroniccontrollerECLComfort210or310
S1
Outdoortemperaturesensor
S2
(Optional)Roomtemperaturesensor
S3
Flowtemperaturesensor,circuit1
S4
DHWflowtemperaturesensor,circuit2
S5
(Optional)Returntemperaturesensor,circuit1
S6
(Optional)DHWreturntemperaturesensor,circuit2
S7
(Optional)Flow/energymeter(pulsesignal)
P1
Circulationpump,DHW,circuit2
P2
Circulationpump,heating,circuit1
M1
Motorizedcontrolvalve(3-pointcontrolled),circuit2
Alternative:Thermoactuator(DanfosstypeABV)
M2
Motorizedcontrolvalve(3-pointcontrolled),circuit1
Alternative:Thermoactuator(DanfosstypeABV)
A1
Alarm
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VI.KT.X4.02
OperatingGuideECLComfort210/296/310,applicationA266
Ananti-bacteriafunctionisavailableforactivationonselected
daysoftheweek.
IfthedesiredDHWtemperaturecannotbereached,theheating
circuitcanbeclosedgraduallytoallowmoreenergytotheDHW
circuit.
A266.1,ingeneral:
AlarmA1(=relay4)canbeactivatediftheactualflowtemperature
differsfromthedesiredflowtemperature.
HolidayprogramsarepresentforHeatingandDHW.Besides,a
holidayprogramispresentfortheentirecontroller.
WhenthesubtypeA266.1hasbeenuploaded,theECLComfort
controllerstartsinmanualmode.Thiscanbeusedforcheckingthe
controlledcomponentsforcorrectfunctionality.
VI.KT.X4.02
©Danfoss|2018.01|7
OperatingGuideECLComfort210/296/310,applicationA266
TheapplicationA266.2isveryflexible.Thesearethebasic
principles:
Heating(circuit1):
Typically,theflowtemperatureisadjustedaccordingtoyour
requirements.Theflowtemperaturesensor(S3)isthemost
importantsensor.ThedesiredflowtemperatureatS3iscalculated
intheECLcontroller,basedontheoutdoortemperature(S1)and
thedesiredroomtemperature.Thelowertheoutdoortemperature,
thehigherthedesiredflowtemperature.
Bymeansofaweekschedule,theheatingcircuitcanbein‘Comfort’
or‘Saving’mode(twovaluesforthedesiredroomtemperature).
InSavingmodetheheatingcanbereducedorswitchedofftotally.
Themotorizedcontrolvalve(M2)isopenedgraduallywhenthe
flowtemperatureislowerthanthedesiredflowtemperatureand
viceversa.
Thereturntemperature(S5)canbelimited,forexamplenottobe
toohigh.Ifso,thedesiredflowtemperatureatS3canbeadjusted
(typicallytoalowervalue),thusresultinginagradualclosingof
themotorizedcontrolvalve.Furthermore,thereturntemperature
limitationcanbedependentontheoutdoortemperature.
Typically,thelowertheoutdoortemperature,thehigherthe
acceptedreturntemperature.
Inboiler-basedheatingsupplythereturntemperatureshouldnot
betoolow(sameadjustmentprocedureasabove).
Ifthemeasuredroomtemperaturedoesnotequalthedesired
roomtemperature,thedesiredflowtemperaturecanbeadjusted.
Thecirculationpump,P2,isONatheatdemandoratfrost
protection.
TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis
higherthanaselectablevalue.
Aconnectedfloworenergymeterbasedonpulses(S7)canlimit
thefloworenergytoasetmaximumvalue.Furthermorethe
limitationcanbeinrelationtotheoutdoortemperature.Typically,
thelowertheoutdoortemperature,thehighertheacceptedflow/
power.WhentheA266.2isusedinanECLComfort310theflow/
energysignalcanalternativelycomeasanM-bussignal.
Thefrostprotectionmodemaintainsaselectableflowtemperature,
forexample10°C.
DHW(circuit2):
TheDHWtemperatureatS4ismaintainedat‘Comfort’levelata
DHWdraw-off(DHWtapping)(theflowswitch(S8)isactivated).
IfthemeasuredDHWtemperature(S4)islowerthanthedesired
DHWtemperature,themotorizedcontrolvalve(M1)isopened
graduallyandviceversa.
TheDHWtemperaturecontrolisinrelationtoactualsupply
temperature(S6).Inordertocompensateforthereactiontime,the
motorizedcontrolvalvecanbepre-activatedatthestartofaDHW
draw-off(DHWtapping).Anidletemperaturecanbemaintainedat
eitherS6orS4whenthereisnodraw-off(DHWtapping).
Thereturntemperature(S5)canbelimitedtoafixedvalue.
Bymeansofaweekschedule,theDHWcircuitcanbein‘Comfort’
or‘Saving’mode(twovaluesforthedesiredDHWtemperature).
TypicalA266.2application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL210/310
ElectroniccontrollerECLComfort210or310
S1
Outdoortemperaturesensor
S2
(Optional)Roomtemperaturesensor
S3
Flowtemperaturesensor,circuit1
S4
DHWflowtemperaturesensor,circuit2
S5
(Optional)Returntemperaturesensor,circuit1,circuit
2orbothcircuits
S6
(Optional)Supplytemperaturesensor,circuit2
S7
(Optional)Flow/energymeter(pulsesignal)
S8
Flowswitch,DHWdraw-off,circuit2
P1
Circulationpump,DHW,circuit2
P2
Circulationpump,heating,circuit1
M1
Motorizedcontrolvalve(3-pointcontrolled),circuit2
Alternative:Thermoactuator(DanfosstypeABV
M2
Motorizedcontrolvalve(3-pointcontrolled),circuit1
Alternative:Thermoactuator(DanfosstypeABV
A1
Alarm
8|©Danfoss|2018.01
VI.KT.X4.02
OperatingGuideECLComfort210/296/310,applicationA266
Ananti-bacteriafunctionisavailableforactivationonselected
daysoftheweek.
IfthedesiredDHWtemperaturecannotbereached,theheating
circuitcanbeclosedgraduallytoallowmoreenergytotheDHW
circuit.
A266.2,ingeneral:
AlarmA1(=relay4)canbeactivated:
•iftheactualflowtemperaturediffersfromthedesiredflow
temperature
•ifthetemperatureatS3exceedsanalarmvalue
HolidayprogramsarepresentforHeatingandDHW.Besides,a
holidayprogramispresentfortheentirecontroller.
IfthetemperatureatS3exceedsthealarmvalue'Max.flowT',the
circulationpumpP2isswitchedOFFafterelapseofthe'Delay'.
P2isswitchedONagainwhenthetemperatureatS3getsbelow
alarmvalue.
WhenthesubtypeA266.2hasbeenuploaded,theECLComfort
controllerstartsinmanualmode.Thiscanbeusedforcheckingthe
controlledcomponentsforcorrectfunctionality.
VI.KT.X4.02
©Danfoss|2018.01|9
OperatingGuideECLComfort210/296/310,applicationA266
TheapplicationA266.9isveryflexible.Thesearethebasic
principles:
Heating(circuit1):
Typically,theflowtemperatureisadjustedaccordingtoyour
requirements.Theflowtemperaturesensor(S3)isthemost
importantsensor.ThedesiredflowtemperatureatS3iscalculated
intheECLcontroller,basedontheoutdoortemperature(S1)and
thedesiredroomtemperature.Thelowertheoutdoortemperature,
thehigherthedesiredflowtemperature.
Bymeansofaweekschedule,theheatingcircuitcanbein‘Comfort’
or‘Saving’mode(twovaluesforthedesiredroomtemperature).
InSavingmodetheheatingcanbereducedorswitchedofftotally.
Themotorizedcontrolvalve(M2)isopenedgraduallywhenthe
flowtemperatureislowerthanthedesiredflowtemperatureand
viceversa.
Thereturntemperature(S5)canbelimited,forexamplenottobe
toohigh.Ifso,thedesiredflowtemperatureatS3canbeadjusted
(typicallytoalowervalue),thusresultinginagradualclosingof
themotorizedcontrolvalve.Furthermore,thereturntemperature
limitationcanbedependentontheoutdoortemperature.
Typically,thelowertheoutdoortemperature,thehigherthe
acceptedreturntemperature.
Inboiler-basedheatingsupplythereturntemperatureshouldnot
betoolow(sameadjustmentprocedureasabove).
Thecirculationpump,P2,isONatheatdemandoratfrost
protection.
TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis
higherthanaselectablevalue.
Thesecondaryreturntemperature(S2)isusedformonitoring.The
pressuremeasuring(S7)isusedtoactivateanalarmiftheactual
pressureishigherorlowerthanthechosensettings.
WhentheA266.9isusedinanECLComfort310,aconnected
floworenergymeterbasedonM-bussignalcanlimittheflowor
energytoasetmaximumvalue.Furthermorethelimitationcanbe
inrelationtotheoutdoortemperature.Typically,thelowerthe
outdoortemperature,thehighertheacceptedflow/power.
Thefrostprotectionmodemaintainsaselectableflowtemperature,
forexample10°C.
DHW(circuit2):
IfthemeasuredDHWtemperature(S4)islowerthanthedesired
DHWtemperature,themotorizedcontrolvalve(M1)isopened
graduallyandviceversa.IfthedesiredDHWtemperaturecannot
bereached,theheatingcircuitcanbeclosedgraduallytoallow
moreenergytotheDHWcircuit.
ThereturntemperatureS6canmeasure,formonitoringpurpose,
thereturntemperatureonthesecondaryside.Analternative
positionforS6canbeinthereturnontheprimarysideinorderto
limitthereturntemperaturetoafixedvalue.
Bymeansofaweekschedule,theDHWcircuitcanbein‘Comfort’
or‘Saving’mode(twovaluesforthedesiredDHWtemperature).
TypicalA266.9application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL210/310
ElectroniccontrollerECLComfort210or310
S1
Outdoortemperaturesensor
S2
(Optional)Returntemperaturesensor,circuit1,for
monitoring
S3
Flowtemperaturesensor,circuit1
S4
DHWflowtemperaturesensor,circuit2
S5
(Optional)Returntemperaturesensor,circuit1
S6
(Optional)Returntemperaturesensor,secondaryside,
circuit2.Alternativeposition:Return,primaryside
S7
(Optional)Pressuretransmitter,circuit1
S8
(Optional)Alarminput
P1
Circulationpump,DHW,circuit2
P2
Circulationpump,heating,circuit1
M1
Motorizedcontrolvalve,circuit2
M2
Motorizedcontrolvalve,circuit1
A1
Alarm
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OperatingGuideECLComfort210/296/310,applicationA266
A266.9,ingeneral:
AlarmA1(=relay4)canbeactivated:
•ifthetemperatureatS3exceedsanalarmvalue
•ifthepressureatS7isnotinsideanacceptablepressurerange
•ifthealarminputS8isactivated
IfthetemperatureatS3exceedsthealarmvalue'Max.flowT',the
circulationpumpP2isswitchedOFFafterelapseofthe'Delay'.
P2isswitchedONagainwhenthetemperatureatS3getsbelow
alarmvalue.
WhenthesubtypeA266.9hasbeenuploaded,theECLComfort
controllerstartsinscheduledmode.
VI.KT.X4.02
©Danfoss|2018.01|11
OperatingGuideECLComfort210/296/310,applicationA266
TheapplicationA266.10isveryflexible.Thesearethebasic
principles:
Heating(circuit1):
Typically,theflowtemperatureisadjustedaccordingtoyour
requirements.Theflowtemperaturesensor(S3)isthemost
importantsensor.ThedesiredflowtemperatureatS3iscalculated
intheECLcontroller,basedontheoutdoortemperature(S1)and
thedesiredroomtemperature.Thelowertheoutdoortemperature,
thehigherthedesiredflowtemperature.
Bymeansofaweekschedule,theheatingcircuitcanbein‘Comfort’
or‘Saving’mode(twovaluesforthedesiredroomtemperature).
InSavingmodetheheatingcanbereducedorswitchedofftotally.
Themotorizedcontrolvalve(M2)isopenedgraduallywhenthe
flowtemperatureislowerthanthedesiredflowtemperatureand
viceversa.
Thereturntemperature(S5)canbelimited,forexamplenottobe
toohigh.Ifso,thedesiredflowtemperatureatS3canbeadjusted
(typicallytoalowervalue),thusresultinginagradualclosingof
themotorizedcontrolvalve.Furthermore,thereturntemperature
limitationcanbedependentontheoutdoortemperature.
Typically,thelowertheoutdoortemperature,thehigherthe
acceptedreturntemperature.
Inboiler-basedheatingsupplythereturntemperatureshouldnot
betoolow(sameadjustmentprocedureasabove).
Thecirculationpump,P2,isONatheatdemandoratfrost
protection.
TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis
higherthanaselectablevalue.
Thesecondaryreturntemperature(S2)isusedformonitoring.
Aconnectedfloworenergymeterbasedonpulses(S7)canlimitthe
floworenergytoasetmaximumvalue.Furthermorethelimitation
canbeinrelationtotheoutdoortemperature.Typically,thelower
theoutdoortemperature,thehighertheacceptedflow/power.
WhentheA266.10isusedinanECLComfort310theflow/energy
signalcanalternativelycomeasanM-bussignal.
Thefrostprotectionmodemaintainsaselectableflowtemperature,
forexample10°C.
DHW(circuit2):
IfthemeasuredDHWtemperature(S4)islowerthanthedesired
DHWtemperature,themotorizedcontrolvalve(M1)isopened
graduallyandviceversa.IfthedesiredDHWtemperaturecannot
bereached,theheatingcircuitcanbeclosedgraduallytoallow
moreenergytotheDHWcircuit.
ThereturntemperatureS6canmeasure,formonitoringpurpose,
thereturntemperatureonthesecondaryside.Analternative
positionforS6canbeinthereturnontheprimarysideinorderto
limitthereturntemperaturetoafixedvalue.
Bymeansofaweekschedule,theDHWcircuitcanbein‘Comfort’
or‘Saving’mode(twovaluesforthedesiredDHWtemperature).
TypicalA266.10application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL210/310
ElectroniccontrollerECLComfort210or310
S1
Outdoortemperaturesensor
S2
(Optional)Returntemperaturesensor,circuit1,for
monitoring
S3
Flowtemperaturesensor,circuit1
S4
DHWflowtemperaturesensor,circuit2
S5
(Optional)Returntemperaturesensor,circuit1
S6
(Optional)Returntemperaturesensor,secondaryside,
circuit2.Alternativeposition:Return,primaryside
S7
(Optional)Flow/energymeter(pulsesignal)
S8
(Optional)Alarminput
P1
Circulationpump,DHW,circuit2
P2
Circulationpump,heating,circuit1
M1
Motorizedcontrolvalve,circuit2
M2
Motorizedcontrolvalve,circuit1
A1
Alarm
12|©Danfoss|2018.01
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OperatingGuideECLComfort210/296/310,applicationA266
A266.10,ingeneral:
AlarmA1(=relay4)canbeactivated:
•ifthetemperatureatS3exceedsanalarmvalue
•ifthealarminputS8isactivated
IfthetemperatureatS3exceedsthealarmvalue'Max.flowT',the
circulationpumpP2isswitchedOFFafterelapseofthe'Delay'.
P2isswitchedONagainwhenthetemperatureatS3getsbelow
alarmvalue.
WhenthesubtypeA266.10hasbeenuploaded,theECLComfort
controllerstartsinscheduledmode.
A266,ingeneral:
UptotwoRemoteControlUnits,ECA30/31canbeconnectedto
oneECLcontrollerinordertocontroltheECLcontrollerremotely.
Exerciseofcirculationpumpsandcontrolvalveinperiodswithout
heatingdemandcanbearranged.
AdditionalECLComfortcontrollerscanbeconnectedviatheECL
485businordertoutilizecommonoutdoortemperaturesignal,
timeanddatesignals.TheECLcontrollersintheECL485system
canworkinmaster-slavesystem.
Unusedinputcan,bymeansofanoverrideswitch,beusedto
overridethescheduletoafixed'Comfort'or'Saving'mode.
ModbuscommunicationtoaSCADAsystemcanbeestablished.
TheM-busdata(ECLComfort310)canfurthermorebetransferred
totheModbuscommunication.
AlarmA1(=relay4)canbeactivated:
•ifatemperaturesensororitsconnectiondisconnects/short
circuits.(See:Commoncontrollersettings>System>Raw
inputoverview).
Thecontrollerispre-programmedwithfactorysettingsthatareshown
inthe‘ParameterIDoverview’appendix.
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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.
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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!
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Theeasywaytolockthecontrollertoitsbaseorunlockitistousea
screwdriveraslever.
Mountingonawall
Mountthebasepartonawallwithasmoothsurface.Establishthe
electricalconnectionsandpositionthecontrollerinthebasepart.
Securethecontrollerwiththelockingpin.
MountingonaDINrail(35mm)
MountthebasepartonaDINrail.Establishtheelectrical
connectionsandpositionthecontrollerinthebasepart.Secure
thecontrollerwiththelockingpin.
DismountingtheECLComfortcontroller
Inordertoremovethecontrollerfromthebasepart,pulloutthe
lockingpinbymeansofascrewdriver.Thecontrollercannowbe
removedfromthebasepart.
Theeasywaytolockthecontrollertoitsbaseorunlockitistousea
screwdriveraslever.
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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.
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2.3.3MountingtheinternalI/OmoduleECA32
MountingoftheinternalI/OmoduleECA32
TheECA32module(ordercodeno.087H3202)mustbeinserted
intotheECLComfort310/310Bbasepartforadditionalinputand
outputsignalsinrelevantapplications.
TheconnectionbetweentheECLComfort310/310BandECA32
isa10-pole(2x5)connector.Theconnectionisautomatically
establishedwhentheECLComfort310/310Bisplacedonthe
basepart.
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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.
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Pt1000temperaturesensor(IEC751B,1000Ω/0°C)
Relationshipbetweentemperatureandohmicvalue:
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