Danfoss A231, A331 Operating guide

OperatingGuide

ECLComfort210/296/310,applicationA231/
A331

1.0TableofContents

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

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

2.0Installation........................................................6

2.1Beforeyoustart.....................................................6

2.2Identifyingthesystemtype......................................15

2.3Mounting...........................................................16

2.4Placingthetemperaturesensors................................20

2.5Electricalconnections.............................................22

2.6InsertingtheECLApplicationKey..............................31

2.7Checklist............................................................38

2.8Navigation,ECLApplicationKeyA231/A331................39

3.0Dailyuse.........................................................45

3.1Howtonavigate...................................................45

3.2Understandingthecontrollerdisplay..........................46

3.3Ageneraloverview:Whatdothesymbolsmean?...........49

3.4Monitoringtemperaturesandsystem

components........................................................50

3.5Influenceoverview................................................51

3.6Manualcontrol.....................................................52

3.7Schedule............................................................53

4.0Settingsoverview............................................54

5.0Settings...........................................................56

5.1IntroductiontoSettings..........................................56

5.2Flowtemperature..................................................57

5.3Returnlimit.........................................................62

5.4Flow/powerlimit.................................................66

5.5Optimization........................................................70

5.6Controlparameters................................................76

5.7Pumpcontrol.......................................................79

5.8Refillwater..........................................................82

5.9Application.........................................................87

5.10Alarm................................................................92

5.11Alarmoverview....................................................96

6.0Commoncontrollersettings..............................97

6.1Introductionto‘Commoncontrollersettings’................97

6.2Time&Date.........................................................98

6.3Holiday..............................................................99

6.4Inputoverview...................................................101

6.5Log.................................................................102

6.6Outputoverride..................................................103

6.7Keyfunctions.....................................................104

6.8System.............................................................106

7.0Miscellaneous................................................113

7.1ECA30/31setupprocedures.................................113

7.2Overridefunction................................................121

7.3Severalcontrollersinthesamesystem......................124

7.4Frequentlyaskedquestions....................................127

7.5Definitions........................................................131

7.6Type(ID6001),overview.......................................135

7.7Automatic/manualupdateoffirmware.....................136

7.8ParameterIDoverview..........................................137

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ECLComfort210/296/310,applicationA231/A331

1.1Importantsafetyandproductinformation

1.1.1Importantsafetyandproductinformation

ThisInstallationGuideisassociatedwithECLApplicationKeyA231
(ordercodeno.087H3805).

TheA231Keycontainstwosetsofapplications:oneset(A231.1/
A231.2)andanotherset(A331.1/A331.2).

SeetheInstallationGuide(deliveredwiththeapplicationkey)for
applicationexamplesandelectricalconnections.

Thedescribedfunctionsarerealizedin:

•ECLComfort210forbasicsolutions

•ECLComfort296forbasicsolutions,inclusiveM-bus,Modbus
andEthernet(Internet)communication

•ECLComfort310foradvancedsolutions,inclusiveM-bus,
ModbusandEthernet(Internet)communication.

TheextensionmoduleECA32canbeusedforextendingthe
numbersofinputsformonitoringviatheECLPortal.Eachinputcan
beconfiguredasPt1000,0-10Voltordigital.
TheApplicationKeyA231complieswithECLComfort210/310
controllersasoffirmwareversion1.11.
TheApplicationKeyA231alsocomplieswithECLComfort296
controllersasoffirmwareversion1.58.
Thefirmware(controllersoftware)versionisvisibleatstart-upof
thecontrollerandin‘Commoncontrollersettings’in‘System’ .Up
totwoRemoteControlUnits,ECA30orECA31,canbeconnected
forremotemonitoringandsetting.

ECLPortal,internet-basedconnection,allowsECL296,310and
310Btobemonitoredandcontrolledremotelyviastandard
Internetbrowsers(forexampleInternetExplorer,GoogleChrome
andSafari).

TogetherwiththeECLComfort310,theadditionalInternalI/O
moduleECA32(ordercodeno.087H3202)canbeusedforextra
datacommunicationtoSCADA:

•Temperature,Pt1000(default)

•0-10voltsignals

•Digitalinput

Theset-upofinputtypecanbedonebymeansoftheDanfoss
Software"ECLTool".
Navigation:Danfoss.com>Serviceandsupport>Downloads>
Tools>Heating>ECLTool.
TheURLis:

https://www.danfoss.com/en/service-and-support/downloads/

TheInternalI/OmoduleECA32isplacedinthebasepartforECL
Comfort310.

ECLComfort210isavailableas:

•ECLComfort210,230volta.c.(087H3020)

•ECLComfort210B,230volta.c.(087H3030)

ECLComfort296isavailableas:

•ECLComfort296,230volta.c.(087H3000)

ECLComfort310isavailableas:

•ECLComfort310,230volta.c.(087H3040)

•ECLComfort310B,230volta.c.(087H3050)

•ECLComfort310,24volta.c.(087H3044)

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ECLComfort210/296/310,applicationA231/A331

TheB-typeshavenodisplayanddial.TheB-typesareoperatedby
meansoftheRemoteControlunitECA30/31:

•ECA30(087H3200)

•ECA31(087H3201)

BasepartsforECLComfort:

•forECLComfort210,230volt(087H3220)

•forECLComfort296,230volt(087H3240)

•forECLComfort310,230voltand24volt(087H3230)

•forECLComfort310,230voltand24volt(087H3230)

Extensionmodule(tobeinsertedintothebasepartofECL310):

•ECA32(087H3202)

AdditionaldocumentationforECLComfort210,296and310,
modulesandaccessoriesisavailableonhttp://heating.danfoss.com/
orhttp://store.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.

•Manualupdateofcontrollersoftware(firmware):
Seethesection"Automatic/manualupdateoffirmware"

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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

-

Circuit1Parameterno.

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12174

IfanIDdescriptionismentionedmorethanonce,itmeansthatthere
arespecialsettingsforoneormoresystemtypes.Itwillbemarked
withthesystemtypeinquestion(e.g.12174-A266.9).

1

-

2

Circuit2Parameterno.

174

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ECLComfort210/296/310,applicationA231/A331

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

DisposalNote

Thissymbolontheproductindicatesthatitmaynot
bedisposedofashouseholdwaste.

Itmustbehandedovertotheapplicabletake-back
schemefortherecyclingofelectricalandelectronic
equipment.

•Disposeoftheproductthroughchannelsprovided
forthispurpose.

•Complywithalllocalandcurrentlyapplicablelaws
andregulations.

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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)and
thedesiredroomtemperature.Thelowertheoutdoortemperature,
thehigherthedesiredflowtemperature.

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.

TypicalA231.1application:

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

S1

Outdoortemperaturesensor

S3

Flowtemperaturesensor

S5Returntemperaturesensor

S7

Differentialpressureswitch

S8

Pressuretransmitterorpressureswitch

P1

Circulationpump

P2

Circulationpump

P3

Refillwaterpump

M1

Motorizedcontrolvalve

V1

ON/OFFvalve,refillwatervalve

A1

Relayoutput,alarm

WhentheECLComfortcontrolleroperatesasaslave,onlytherefill
watervalveiscontrolled.Themastercontrolsacommonrefill
waterpumpfortheentiresystem.

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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:

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ECLComfort210/296/310,applicationA231/A331

TheapplicationA231.2isveryflexible.Thesearethebasic
principles:

Heating:

Typically,theflowtemperatureisadjustedaccordingtoyour
requirements.TheflowtemperaturesensorS3isthemost
importantsensor.ThedesiredflowtemperatureatS3iscalculated
intheECLcontroller,basedontheoutdoortemperature(S1)and
thedesiredroomtemperature.Thelowertheoutdoortemperature,
thehigherthedesiredflowtemperature.

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.

TypicalA231.2application:

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

S1

Outdoortemperaturesensor

S2

Supplyflowtemperaturesensor

S3

Flowtemperaturesensor

S5Returntemperaturesensor

S7

Differentialpressureswitch

S8

Pressuretransmitterorpressureswitch

P1

Circulationpump

P2

Circulationpump

P3

Refillwaterpump

M1

Motorizedcontrolvalve

V1

ON/OFFvalve,refillwatervalve

A1

Relayoutput,alarm

TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis
higherthanaselectablevalue.

Thestaticpressureonthesecondaryside(consumerside)can1)
bemeasuredasa0-10Vsignal(fromapressuretransmitter)or

2)beaswitchsignalfromapressureswitch.Incaseofatoolow
pressure,therefillwaterfunctionwillsupplementwithwaterfrom
thesupplyside.

WhentheECLComfortcontrolleroperatesasaslave,onlytherefill
watervalveiscontrolled.Themastercontrolsacommonrefill
waterpumpfortheentiresystem.

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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:

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ECLComfort210/296/310,applicationA231/A331

TheapplicationA331.1isveryflexible.Thesearethebasic
principles:

Heating:

Typically,theflowtemperatureisadjustedaccordingtoyour
requirements.TheflowtemperaturesensorS3isthemost
importantsensor.ThedesiredflowtemperatureatS3iscalculated
intheECLcontroller,basedontheoutdoortemperature(S1)and
thedesiredroomtemperature.Thelowertheoutdoortemperature,
thehigherthedesiredflowtemperature.

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

S5Returntemperaturesensor

S7

Differentialpressureswitch

S8

Pressuretransmitterorpressureswitch

S9

Alarminput

S10

Pressuretransmitter(formonitoringonly)

P1

Circulationpump

P2

Circulationpump

P3

Refillwaterpump

P5

Refillwaterpump

M1

Motorizedcontrolvalve

V1

ON/OFFvalve,refillwatervalve

A1

Relayoutput,alarm

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ECLComfort210/296/310,applicationA231/A331

ApplicationA331.1ingeneral:

ThecirculationpumpsP1andP2workinshiftaccordingtoa
schedule.Onepumpisusedassparepumpandtheotherpump
isworking.Incaseofmalfunction(missingdifferentialpressure)
ofonepump,theotherpumpwilltakeover.Analarmwillbe
generatedandthedefectivepumpcanbeinspected/repaired.

Alarm(relay4)canbeactivatedif:

•Theactualflowtemperaturediffersfromthedesiredflow
temperature.

•Theactivatedcirculationpumpdoesnotgenerateapressure
difference.

•Therefillwaterfunctiondoesnotgenerateapressurewithin
apresettime.

•TheuniversalalarminputsS9isactivated.

ModbuscommunicationtoaSCADAsystemcanbeestablished.

M-buscommunicationenablesconnectiontofloworenergymeter.
Thecontrollercanlimitthefloworenergytoasetmaximumbut
alsoinrelationtotheoutdoortemperature.

Furthermore,theM-busdatacanbetransferredtotheModbus
communication.

TypicalA331.1application:

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ECLComfort210/296/310,applicationA231/A331

TheapplicationA331.2isveryflexible.Thesearethebasic
principles:

Heating:

Typically,theflowtemperatureisadjustedaccordingtoyour
requirements.TheflowtemperaturesensorS3isthemost
importantsensor.ThedesiredflowtemperatureatS3iscalculated
intheECLcontroller,basedontheoutdoortemperature(S1)and
thedesiredroomtemperature.Thelowertheoutdoortemperature,
thehigherthedesiredflowtemperature.

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.

TypicalA331.2application:

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

S1

Outdoortemperaturesensor

S2

Supplyflowtemperaturesensor

S3

Flowtemperaturesensor

S5Returntemperaturesensor

S7

Differentialpressureswitch

S8

Pressuretransmitterorpressureswitch

S9

Alarminput

S10

Pressuretransmitter(formonitoringonly)

P1

Circulationpump

P2

Circulationpump

P3

Refillwaterpump

P5

Refillwaterpump

M1

Motorizedcontrolvalve

V1

ON/OFFvalve,refillwatervalve

A1

Relayoutput,alarm

WhentheECLComfortcontrolleroperatesasaslave,onlytherefill
watervalveiscontrolled.Themastercontrolsacommonrefill
waterpumpfortheentiresystem.

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ECLComfort210/296/310,applicationA231/A331

ApplicationA331.2ingeneral:

ThecirculationpumpsP1andP2workinshiftaccordingtoa
schedule.Onepumpisusedassparepumpandtheotherpump
isworking.Incaseofmalfunction(missingdifferentialpressure)
ofonepump,theotherpumpwilltakeover.Analarmwillbe
generatedandthedefectivepumpcanbeinspected/repaired.

Alarm(relay4)canbeactivatedif:

•Theactualflowtemperaturediffersfromthedesiredflow
temperature.

•Theactivatedcirculationpumpdoesnotgenerateapressure
difference.

•Therefillwaterfunctiondoesnotgenerateapressurewithin
apresettime.

•TheuniversalalarminputsS9isactivated.

ModbuscommunicationtoaSCADAsystemcanbeestablished.

M-buscommunicationenablesconnectiontofloworenergymeter.
Thecontrollercanlimitthefloworenergytoasetmaximumbut
alsoinrelationtotheoutdoortemperature.

Furthermore,theM-busdatacanbetransferredtotheModbus
communication.

TypicalA331.2application:

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ECLComfort210/296/310,applicationA231/A331

A231,ingeneral:

Offsetadjustment

Ameasuredtemperaturecanbeoffsetadjusted,ifneeded.
(Navigation:MENU>Commoncontroller>System>Sensoroffset)

Applicationupload

Theapplicationuploadprocedureisthefollowingafterhaving
powereduptheECLComfortcontroller:

1.Inserttheapplicationkey

2.Selectlanguage

3.Selectsubtype(theInstallationGuideshowssubtypes)

4.SetTimeandDate

TheECLComfortcontrollerinstallstheapplication,initializesand
restarts.Outputrelaysareactivated/de-activated(click-sounds
fromthiscanbeheard).Thisalsomeansthat,forexample,
circulationpumpscanbeswitchedONandOFFshortly.

Commissioning

WhentheA231/A331applicationhasbeenuploadedtheECL
ComfortcontrollerstartsinManualmode.Thiscanbeusedto
verifycorrectconnectionsoftemperature,pressureandflow
sensors.Alsoverifyingthecontrolledcomponents(valveactuators,
pumpsetc.)forcorrectfunctionalitycanbedone.

Theapplicationkeyisdeliveredwithfactorysettings.
Dependingonsystemtype,itmightbenecessarytochangesome
factorysettingsindividuallyinordertooptimizethefunctionality.

Theapplicationkeymustbeinsertedinordertochangesettings.

Power-down/power-up

WhenthepowersupplytotheECLComfortcontrolleris
disconnected(power-down),theoutputrelaysgotode-activated
position.
Thismeansthat,forexample,circulationpumpscanbeswitched
ON.
SeetheelectricalconnectiondiagramsintheInstallationGuide.
Allrelaycontactsareshowninde-activatedsituation.Somerelay
contactsareclosed,somerelaycontactsareopen.
WhenthepowersupplytotheECLComfortcontrolleris
re-established(power-up),theoutputrelaysareactivated/
de-activated(click-soundsfromthiscanbeheard).Thisalsomeans
that,forexample,circulationpumpscanbeswitchedONandOFF
shortly.

Important:

•Setthecorrectrunningtime"Mrun"oftheMotorizedControl
ValveM1.(Circuit1>MENU>Settings>Controlparameters
>Mrun).

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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.

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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.

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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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ECLComfort210/296/310,applicationA231/A331

Mountingonawall

Mountthebasepartonawallwithasmoothsurface.Establishthe
electricalconnectionsandpositionthecontrollerinthebasepart.
Securethecontrollerwiththelockingpin.

MountingonaDINrail(35mm)

MountthebasepartonaDINrail.Establishtheelectrical
connectionsandpositionthecontrollerinthebasepart.Secure
thecontrollerwiththelockingpin.

Theeasywaytolockthecontrollertoitsbaseorunlockitistousea
screwdriveraslever.

DismountingtheECLComfortcontroller

Inordertoremovethecontrollerfromthebasepart,pulloutthe
lockingpinbymeansofascrewdriver.Thecontrollercannowbe
removedfromthebasepart.

Theeasywaytolockthecontrollertoitsbaseorunlockitistousea
screwdriveraslever.

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ECLComfort210/296/310,applicationA231/A331

2.3.2MountingtheRemoteControlUnitsECA30/31

Selectoneofthefollowingmethods:

•Mountingonawall,ECA30/31

•Mountinginapanel,ECA30

Screwsandrawlplugsarenotsupplied.

Mountingonawall

MountthebasepartoftheECA30/31onawallwithasmooth
surface.Establishtheelectricalconnections.PlacetheECA30/
31inthebasepart.

BeforeremovingtheECLComfortcontrollerfromthebasepart,ensure
thatthesupplyvoltageisdisconnected.

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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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.

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Pt1000temperaturesensor(IEC751B,1000Ω/0°C)

Relationshipbetweentemperatureandohmicvalue:

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2.5Electricalconnections

2.5.1Electricalconnections230Va.c.

Warning

ElectricconductorsonPCB(PrintedCircuitBoard)forsupplyvoltage,
relaycontactsandtriacoutputsdonothavemutualsafetydistanceof
minimum6mm.Theoutputsarenotallowedtobeusedasgalvanic
separated(voltfree)outputs.

Ifagalvanicseparatedoutputisneeded,anauxiliaryrelayis
recommended.

24Voltcontrolledunits,forexampleactuators,aretobecontrolledby
meansofECLComfort310,24Voltversion.

SafetyNote

Necessaryassembly,start-up,andmaintenanceworkmustbe
performedbyqualifiedandauthorizedpersonnelonly.

Locallegislationsmustberespected.Thiscomprisesalsocablesize
andisolation(reinforcedtype).

AfusefortheECLComfortinstallationismax.10Atypically.

TheambienttemperaturerangefortheECLComfortinoperationis
0-55°C.Exceedingthistemperaturerangecanresultinmalfunctions.

Installationmustbeavoidedifthereisariskforcondensation(dew).

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Thecommongroundterminalisusedforconnectionofrelevant
components(pumps,motorizedcontrolvalves).

ECL210/310

ECL296

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)
forapplicationspecificconnections.

Maximumloadratings:

Relayterminals

4(2)A/230Va.c.
(4Aforohmicload,2Afor
inductiveload)

Triac(=electronic

0,2A/230Va.c.

relay)terminals

Wirecrosssection:0.5-1.5mm²
Incorrectconnectioncandamagetheelectronicoutputs.
Max.2x1.5mm²wirescanbeinsertedintoeachscrewterminal.

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ECLComfort210/296/310,applicationA231/A331

2.5.2Electricalconnections24Va.c.

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)
forapplicationspecificconnections.

Maximumloadratings:

Relayterminals

Triac(=electronic
relay)terminals

4(2)A/24Va.c.
(4Aforohmicload,2Afor
inductiveload)

1A/24Va.c.

Donotconnect230Va.c.poweredcomponentstoa24Va.c.power
suppliedcontrollerdirectly.Useauxilliaryrelays(K)toseparate230
Va.c.from24Va.c.

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2.5.3Electricalconnections,Pt1000temperaturesensorsandsignals

A231.1/A231.2:

Sensor

S1

S2

S3

S5Returntemperaturesensor

S7
S8Pressuretransmitter

*

**
***

Description

Outdoortemperature
sensor*

Supplyflowtemperature
sensor**

Flowtemperaturesensor***

Differentialpressureswitch

(0–10V)
orpressureswitch

Iftheoutdoortemperaturesensorisnotconnectedorthe
cableisshort-circuited,thecontrollerassumesthatthe
outdoortemperatureis0(zero)°C.

OnlyforapplicationA231.2.
Theflowtemperaturesensormustalwaysbeconnected

inordertohavethedesiredfunctionality.Ifthesensoris
notconnectedorthecableisshort-circuited,themotorized
controlvalvecloses(safetyfunction).

Recommendedtype

ESMT

ESM-11/ESMB/
ESMC/ESMU

ESM-11/ESMB/
ESMC/ESMU

ESM-11/ESMB/
ESMC/ESMU

Connectionofdifferentialpressureswitch,S7

ThedrawingshowsconnectiontoECL210,butisalsovalidfor
connectiontoECL296andECL310.

Connectionofapressuretransmitterwith0-10Voutput,S8

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ECLComfort210/296/310,applicationA231/A331

Connectionofapressureswitch,S8

ThedrawingshowsconnectiontoECL210,butisalsovalidfor
connectiontoECL296andECL310.

A331.1/A331.2:

Sensor

S1

S2

S3

S5Returntemperaturesensor

S7
S8Pressuretransmitter

S9
S10Pressuretransmitter

*

**
***

Description

Outdoortemperature
sensor*

Supplyflowtemperature
sensor**

Flowtemperaturesensor***

Differentialpressureswitch

(0–10V)
orpressureswitch

Alarmswitch

(0–10V)

Iftheoutdoortemperaturesensorisnotconnectedorthe
cableisshort-circuited,thecontrollerassumesthatthe
outdoortemperatureis0(zero)°C.

OnlyforapplicationA331.2.
Theflowtemperaturesensormustalwaysbeconnected

inordertohavethedesiredfunctionality.Ifthesensoris
notconnectedorthecableisshort-circuited,themotorized
controlvalvecloses(safetyfunction).

Recommendedtype

ESMT

ESM-11/ESMB/
ESMC/ESMU

ESM-11/ESMB/
ESMC/ESMU

ESM-11/ESMB/
ESMC/ESMU

Connectionofdifferentialpressureswitch,S7

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Connectionofapressuretransmitterwith0-10Voutput,S8

Connectionofapressuretransmitterwith0-10Voutput,S10

Connectionofapressureswitch,S8

Connectionofalarmswitch,S9

Wirecrosssectionforsensorconnections:Min.0.4mm².
Totalcablelength:Max.200m(allsensorsincl.internalECL485

communicationbus)
Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).

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ECLComfort210/296/310,applicationA231/A331

2.5.4Electricalconnections,ECA30/31

Terminal
ECL310

Terminal
ECA30/

Description

Type
(recomm.)

31

30
31
322
333

*

Afteranexternalroomtemperaturesensorhasbeenconnected,

4

Twistedpair

1

Twistedpair

4

Ext.roomtemperature
sensor*

5

Cable2x
twistedpair

ESM-10

ECA30/31mustberepowered.

ThecommunicationtotheECA30/31mustbesetupintheECL
Comfortcontrollerin'ECAaddr.'

TheECA30/31mustbesetupaccordingly.

AfterapplicationsetuptheECA30/31isreadyafter2–5min.A
progressbarintheECA30/31isdisplayed.

ECAinformationmessage:
‘Applicationreq.newerECA’:
Thesoftware(firmware)ofyourECAdoesnotcomplywiththe

software(firmware)ofyourECLComfortcontroller.Pleasecontact
yourDanfosssalesoffice.

Someapplicationsdonotcontainfunctionsrelatedtoactualroom
temperature.TheconnectedECA30/31willonlyfunctionasremote
control.

Totalcablelength:Max.200m(allsensorsincl.internalECL485
communicationbus).

Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).

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2.5.5Electricalconnections,master/slavesystems

Thecontrollercanbeusedasmasterorslaveinmaster/slave
systemsviatheinternalECL485communicationbus(2xtwisted
paircable).

TheECL485communicationbusisnotcompatiblewiththeECL
businECLComfort110,200,300and301!

Terminal

Description

Type
(recomm.)

30

Commonterminal
+12V*,ECL485communicationbus

31

*OnlyforECA30/31andmaster/
slavecommunication

32

B,ECL485communicationbus

33

A,ECL485communicationbus

Cable2x
twistedpair

ECL485buscable

MaximumrecommendedlengthoftheECL485busiscalculatedlike
this:

Subtract"TotallengthofallinputcablesofallECLcontrollersinthe
master-slavesystem"from200m.

Simpleexamplefortotallengthofallinputcables,3xECL:

1xECL

3xECL

3xECLReturntemp.sensor:

3xECLRoomtemp.sensor:

Total:

Outdoortemp.sensor:

Flowtemp.sensor:

15m

18m

18m

30m

81m

2.5.6Electricalconnections,communication

Electricalconnections,Modbus

ECLComfort210:Non-galvanicisolatedModbusconnections
ECLComfort296:GalvanicisolatedModbusconnections
ECLComfort310:GalvanicisolatedModbusconnections

MaximumrecommendedlengthoftheECL485bus:
200-81m=119m

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ECLComfort210/296/310,applicationA231/A331

2.5.7Electricalconnections,communication

Electricalconnections,M-bus

ECLComfort210:Notimplemented
ECLComfort296:Onboard,non-galvanicisolated.Max.cable
length50m.
ECLComfort310:Onboard,non-galvanicisolated.Max.cable
length50m.

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2.6InsertingtheECLApplicationKey

2.6.1InsertingtheECLApplicationKey

TheECLApplicationKeycontains

•theapplicationanditssubtypes,

•currentlyavailablelanguages,

•factorysettings:e.g.schedules,desiredtemperatures,
limitationvaluesetc.Itisalwayspossibletorecoverthefactory
settings,

•memoryforusersettings:specialuser/systemsettings.

Afterhavingpowered-upthecontroller,differentsituationsmight
beexisting:

1.Thecontrollerisnewfromthefactory,theECLApplicationKey
isnotinserted.

2.Thecontrolleralreadyrunsanapplication.TheECLApplication
Keyisinserted,buttheapplicationneedstobechanged.

3.Acopyofthecontrollerssettingsisneededforconfiguring
anothercontroller.

ECLComfort210/310

ECLComfort210/310

Usersettingsare,amongothers,desiredroomtemperature,desired
DHWtemperature,schedules,heatcurve,limitationvaluesetc.

Systemsettingsare,amongothers,communicationset-up,display
brightnessetc.

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ECLComfort210/296/310,applicationA231/A331

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.

•Manualupdateofcontrollersoftware(firmware):
Seethesection"Automatic/manualupdateoffirmware"

The“Keyoverview”doesnotinform—throughECA30/31—about
thesubtypesoftheapplicationkey.

Keyinserted/notinserted,description:

ECLComfort210/310,controllerversionslowerthan1.36:

-

Takeouttheapplicationkey;for20minutes
settingscanbechanged.

-

Powerupthecontrollerwithoutthe
applicationkeyinserted;for20minutes
settingscanbechanged.

ECLComfort210/310,controllerversions1.36andup:

-

Takeouttheapplicationkey;for20minutes
settingscanbechanged.

-

Powerupthecontrollerwithoutthe
applicationkeyinserted;settingscannotbe
changed.

ECLComfort296,controllerversions1.58andup:

-

Takeouttheapplicationkey;for20minutes
settingscanbechanged.

-

Powerupthecontrollerwithoutthe
applicationkeyinserted;settingscannotbe
changed.

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ApplicationKey:Situation1
Thecontrollerisnewfromthefactory,theECLApplicationKey

isnotinserted.

AnanimationfortheECLApplicationKeyinsertionisdisplayed.
InserttheApplicationKey.

ApplicationKeynameandVersionisindicated(example:A266
Ver.1.03).

IftheECLApplicationKeyisnotsuitableforthecontroller,a"cross"
isdisplayedovertheECLApplicationKey-symbol.

Action:Purpose:

Selectlanguage

Confirm
Selectapplication(subtype)

Somekeyshaveonlyoneapplication.

Confirmwith‘Yes’

Set'Time&Date'
Turnandpushthedialtoselectand
change'Hours' ,'Minutes','Date',
'Month'and'Year' .

Choose''Next'

Confirmwith‘Yes’

Goto‘Aut.daylight’
Choosewhether‘ Aut.daylight´*

shouldbeactiveornot

*‘Aut.daylight’istheautomaticchangeoverbetweensummer
andwintertime.

DependingonthecontentsoftheECLApplicationKey,procedure
AorBistakingplace:

A
TheECLApplicationkeycontainsfactorysettings:

Thecontrollerreads/transfersdatafromtheECLApplicationKey
toECLcontroller.

Examples:

YESorNO

Theapplicationisinstalled,andthecontrollerresetsandstartsup.

B
TheECLApplicationkeycontainschangedsystemsettings:

Pushthedialrepeatedly.

’NO’:

’YES*:

Ifthekeycontainsusersettings:

Pushthedialrepeatedly.

‘NO:

‘YES*:

*If‘YES’cannotbechosen,theECLApplicationKeydoesnot
containanyspecialsettings.

Choose‘Startcopying’andconfirmwith'Yes'.

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OnlyfactorysettingsfromtheECLApplicationKeywill
becopiedtothecontroller.

Specialsystemsettings(differingfromthefactory
settings)willbecopiedtothecontroller.

OnlyfactorysettingsfromtheECLApplicationKeywill
becopiedtothecontroller.

Specialusersettings(differingfromthefactorysettings)
willbecopiedtothecontroller.

©Danfoss|2021.02|33

ECLComfort210/296/310,applicationA231/A331

(Example):

The"i"intheupperrightcornerindicatesthat-besidesthefactory
settings-thesubtypealsocontainsspecialuser/systemssettings.

ApplicationKey:Situation2
Thecontrolleralreadyrunsanapplication.TheECLApplication

Keyisinserted,buttheapplicationneedstobechanged.

TochangetoanotherapplicationontheECLApplicationKey,the
currentapplicationinthecontrollermustbeerased(deleted).

BeawarethattheApplicationKeymustbeinserted.

Action:Purpose:

Choose‘MENU’inanycircuit

Confirm

Choosethecircuitselectoratthetop
rightcornerinthedisplay

Confirm

Choose‘Commoncontrollersettings’

Confirm

Choose‘Keyfunctions’

Confirm

Choose‘Eraseapplication’

Confirmwith‘Yes’

Thecontrollerresetsandisreadytobeconfigured.

Followtheproceduredescribedinsituation1.

Examples:

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ApplicationKey:Situation3
Acopyofthecontrollerssettingsisneededforconfiguring

anothercontroller.

Thisfunctionisused

•forsaving(backup)ofspecialuserandsystemsettings

•whenanotherECLComfortcontrollerofthesametype(210,
296or310)mustbeconfiguredwiththesameapplicationbut
user/systemsettingsdifferfromthefactorysettings.

HowtocopytoanotherECLComfortcontroller:

Action:Purpose:

Choose‘MENU’

Confirm

Choosethecircuitselectoratthetop
rightcornerinthedisplay

Confirm

Choose'Commoncontrollersettings'

Confirm

Goto‘Keyfunctions’

Confirm

Choose‘Copy’

Confirm

Choose‘To’ .
‘ECL’or‘KEY’willbeindicated.Choose
’ECL’orKEY’

Pushthedialrepeatedlytochoose
copydirection

Choose‘Systemsettings’or‘User
settings’

Pushthedialrepeatedlytochoose
‘Yes’or‘No’in‘Copy’ .Pushtoconfirm.

Choose‘Startcopying’
TheApplicationKeyorthecontroller

isupdatedwithspecialsystemoruser
settings.

Examples:

*

’ECL’or‘KEY’ .

**

‘NO’or‘YES’

*
‘ECL’:

‘KEY’:

**
‘NO’:

‘YES’:

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DatawillbecopiedfromtheApplicationKeytothe
ECLController.
DatawillbecopiedfromtheECLControllertothe
ApplicationKey.

ThesettingsfromtheECLcontrollerwillnotbecopied
totheApplicationKeyortotheECLComfortcontroller.
Specialsettings(differingfromthefactorysettings)will
becopiedtotheApplicationKeyortotheECLComfort
controller.IfYEScannotbechosen,therearenospecial
settingstobecopied.

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ECLComfort210/296/310,applicationA231/A331

Language

Atapplicationupload,alanguagemustbeselected.*
IfanotherlanguagethanEnglishisselected,theselectedlanguage
ANDEnglishwillbeuploadedintotheECLcontroller.
ThismakesserviceeasyforEnglishspeakingservicepeople,just
becausetheEnglishlanguagemenuscanbevisiblebychanging
theactualsetlanguageintoEnglish.
(Navigation:MENU>Commoncontroller>System>Language)

Iftheuploadedlanguageisnotsuitable,theapplicationmustbe
erased.UserandSystemsettingscanbesavedontheapplication
keybeforeerasing.
Afternewuploadwithpreferredlanguage,theexistingUserand
Systemsettingscanbeuploaded.

*)
(ECLComfort310,24Volt)Iflanguagecannotbeselected,the
powersupplyisnota.c.(alternatingcurrent).

2.6.2ECLApplicationKey,copyingdata

Generalprinciples

Whenthecontrollerisconnectedandoperating,youcancheck
andadjustallorsomeofthebasicsettings.Thenewsettingscan
bestoredontheKey.

Factorysettingscanalwaysberestored.

HowtoupdatetheECLApplicationKeyaftersettingshave
beenchanged?

AllnewsettingscanbestoredontheECLApplicationKey.

Howtostorefactorysettinginthecontrollerfromthe
ApplicationKey?

PleasereadtheparagraphconcerningApplicationKey,Situation
1:Thecontrollerisnewfromthefactory,theECLApplicationKey
isnotinserted.

HowtostorepersonalsettingsfromthecontrollertotheKey?

PleasereadtheparagraphconcerningApplicationKey,Situation3:
Acopyofthecontrollerssettingsisneededforconfiguringanother
controller

Asamainrule,theECLApplicationKeyshouldalwaysremainin
thecontroller.IftheKeyisremoved,itisnotpossibletochange
settings.

Makeanoteofnewsettingsinthe'Settingsoverview'table.

DonotremovetheECLApplicationKeywhilecopying.Thedataon
theECLApplicationKeycanbedamaged!

ItispossibletocopysettingsfromoneECLComfortcontrollerto
anothercontrollerprovidedthatthetwocontrollersarefromthesame
series(210or310).
Furthermore,whentheECLComfortcontrollerhasbeenuploaded
withanapplicationkey,minimumversion2.44,itispossibletoupload
personalsettingsfromapplicationkeys,minimumversion2.14.

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The“Keyoverview”doesnotinform—throughECA30/31—about
thesubtypesoftheapplicationkey.

Keyinserted/notinserted,description:

ECLComfort210/310,controllerversionslowerthan1.36:

-

Takeouttheapplicationkey;for20minutes
settingscanbechanged.

-

Powerupthecontrollerwithoutthe
applicationkeyinserted;for20minutes
settingscanbechanged.

ECLComfort210/310,controllerversions1.36andup:

-

Takeouttheapplicationkey;for20minutes
settingscanbechanged.

-

Powerupthecontrollerwithoutthe
applicationkeyinserted;settingscannotbe
changed.

ECLComfort296,controllerversions1.58andup:

-

Takeouttheapplicationkey;for20minutes
settingscanbechanged.

-

Powerupthecontrollerwithoutthe
applicationkeyinserted;settingscannotbe
changed.

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ECLComfort210/296/310,applicationA231/A331

2.7Checklist

IstheECLComfortcontrollerreadyforuse?

Makesurethatthecorrectpowersupplyisconnectedtoterminals9and10(230Vor24V).

Makesurethecorrectphaseconditionsareconnected:
230V:Live=terminal9andNeutral=terminal10
24V:SP=terminal9andSN=terminal10

Checkthattherequiredcontrolledcomponents(actuator,pumpetc.)areconnectedtothecorrectterminals.

Checkthatallsensors/signalsareconnectedtothecorrectterminals(see'Electricalconnections').

Mountthecontrollerandswitchonthepower.

IstheECLApplicationKeyinserted(see'InsertingtheApplicationKey').

DoestheECLComfortcontrollercontainanexistingapplication(see'InsertingtheApplicationKey').

Isthecorrectlanguagechosen(see'Language'in'Commoncontrollersettings').

Isthetime&datesetcorrectly(see'Time&Date'in'Commoncontrollersettings').

Istherightapplicationchosen(see'Identifyingthesystemtype').

Checkthatallsettingsinthecontroller(see'Settingsoverview')aresetorthatthefactorysettingscomplywithyour
requirements.

Choosemanualoperation(see'Manualcontrol').Checkthatvalvesopenandclose,andthatrequiredcontrolled
components(pumpetc.)startandstopwhenoperatedmanually.

Checkthatthetemperatures/signalsshowninthedisplaymatchtheactualconnectedcomponents.

Havingcompletedthemanualoperationcheck,choosecontrollermode(scheduled,comfort,savingorfrostprotection).

38|©Danfoss|2021.02

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ECLComfort210/296/310,applicationA231/A331

2.8Navigation,ECLApplicationKeyA231/A331

Navigation,applicationA231.1/A331.1

Home

IDno.

MENU
ScheduleSelectable

Settings

Flowtemperature

11178
11177

Returnlimit

Flow/powerlimitActual

Optimization

Controlpar.

11031
11032
11033
11034
11035
11036
11037
11085

11119
11117
11118
11116
11112
11113
11109
11115
11011
11012
11013
11014
11026
11021
11179
11174
11184
11185
11186
11187

Heating

Function

Heatcurve
Temp.max.
Temp.min.
HighToutX1
LowlimitY1
LowToutX2
HighlimitY2
Infl.-max.
Infl.-min.
Adapt.time
Priority

Limit
HighToutX1
LowlimitY1
LowToutX2

HighlimitY2
Adapt.time
Filterconstant
Inputtype
Units
Autosaving
Boost
Ramp
Optimizer
Prestop
Totalstop
Cut-out
Motorpr.
Xp
Tn
Mrun
Nz

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ECLComfort210/296/310,applicationA231/A331

Navigation,applicationsA231.1/A331.1,continued

Home

MENU

Settings

HolidaySelectable

Alarm

InfluenceoverviewDes.flowT

Pumpcontrol

Refillwater

Application

Temp.monitor.

Clearalarm

AlarmoverviewSelectable

IDno.

11314
11310
11313
11311
11312
11022

11327
11323
11321
11322
11320
11325
11326
11017
11023
11052
11077
11078
11093
11141
11142
11189

11147
11148
11149
11150
11315
11324

Heating

Function

Chan.-overtime
Retrytime
Stab.time
Change,duration
Changetime
Pexercise
Pressure
Inputtype
Time-out
Pressure,des.
Pressure,diff.
Pexercise
Valvedelay
No.ofpumps
Demandoffset
Mexercise
DHWpriority
PfrostT
PheatT
Frostpr.T
Ext.input
Ext.mode
Min.act.time

Upperdifference
Lowerdifference
Delay
Lowesttemp.
Circ.pumps
Refillwater

Returnlim.
Flow/powerlim.

Holiday
Ext.override
Boost
Ramp
Slave,demand
Heatingcut-out
DHWpriority

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ECLComfort210/296/310,applicationA231/A331

Navigation,applicationA231.1/A331.1,Commoncontrollersettings(*applicationA331.1only)

Home
MENU
Time&Date
Settings*
Inputoverview

Log(sensors)

Outputoverride

Keyfunctions

SystemECLversion

Commoncontrollersettings

IDno.

Supplypressure*

OutdoorTLogtoday
Heatingflow&des.
HeatreturnT&limitLog2days
Staticpressure

NewapplicationEraseapplication
Application
FactorysettingSystemsettings

Copy

Keyoverview

Extension
Ethernet
M-busconfig
EnergyMeters
Display

Communication

Language

Function

Selectable
Pressure*
OutdoorT
HeatflowT
HeatreturnT
Staticpressure
S7status
S9status*

Logyesterday

Log4days
M1,P1,P2,P3,P5*,V1,A1

Usersettings
Gotofactory
To
Systemsettings
Usersettings
Startcopying

Codeno.
Hardware
Software
Buildno.
Serialno.
MAC
Productionweek

Selectable
Selectable

60058

Backlight

60059

Contrast

38

Modbusaddr.

2048

ECL485addr.

2150

Servicepin

2151

Ext.reset

2050

Language

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©Danfoss|2021.02|41

ECLComfort210/296/310,applicationA231/A331

Navigation,applicationA231.2/A331.2

Home

IDno.

MENU
ScheduleSelectable

Settings

Flowtemperature

11177
11300
11301
11302
11303

Returnlimit

Flow/powerlimitActual

Optimization

Controlpar.

11031
11032
11033
11034
11035
11036
11037
11085

11119
11117
11118
11116
11112
11113
11109
11115
11011
11012
11013
11014
11026
11021
11179
11174
11184
11185
11186
11187

Heating

Function

Heatcurve
Temp.max.
Temp.min.
Highsupp.TX2
HighTmaxY2
LowsupplyTX1
LowTmaxY1
HighToutX1
LowlimitY1
LowToutX2
HighlimitY2
Infl.-max.
Infl.-min.
Adapt.time
Priority

Limit
HighToutX1
LowlimitY1
LowToutX2

HighlimitY2
Adapt.time
Filterconstant
Inputtype
Units
Autosaving
Boost
Ramp
Optimizer
Prestop
Totalstop
Cut-out
Motorpr.
Xp
Tn
Mrun
Nz

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ECLComfort210/296/310,applicationA231/A331

Navigation,applicationA231.2/A331.2,continued

Home

MENU

Settings

HolidaySelectable

Alarm

InfluenceoverviewDes.flowT

Pumpcontrol

Refillwater

Application

Temp.monitor.

Clearalarm

AlarmoverviewSelectable

IDno.

11314
11310
11313
11311
11312
11022

11327
11323
11321
11322
11320
11325
11326
11017
11023
11052
11077
11078
11093
11141
11142
11189

11147
11148
11149
11150
11315
11324

Heating

Function

Chan.-overtime
Retrytime
Stab.time
Change,duration
Changetime
Pexercise
Pressure
Inputtype
Time-out
Pressure,des.
Pressure,diff.
Pexercise
Valvedelay
No.ofpumps
Demandoffset
Mexercise
DHWpriority
PfrostT
PheatT
Frostpr.T
Ext.input
Ext.mode
Min.act.time

Upperdifference
Lowerdifference
Delay
Lowesttemp.
Circ.pumps
Refillwater

Returnlim.
Flow/powerlim.

Holiday
Ext.override
Boost
Ramp
Slave,demand
Heatingcut-out
DHWpriority

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©Danfoss|2021.02|43

ECLComfort210/296/310,applicationA231/A331

Navigation,applicationA231.2/A331.2,Commoncontrollersettings(*applicationA331.2only)

Home
MENU
Time&Date
Settings*
Inputoverview

Log(sensors)

Outputoverride

Keyfunctions

SystemECLversion

Commoncontrollersettings

IDno.

Supplypressure*

OutdoorTLogtoday
SupplyTLogyesterday
Heatingflow&des.
HeatreturnT&limitLog4days
Staticpressure
Supplypressure*

NewapplicationEraseapplication
Application
FactorysettingSystemsettings

Copy

Keyoverview

Extension
Ethernet
M-busconfig
EnergyMeters
Display

Communication

Language

Function

Selectable
Pressure*
OutdoorT
HeatflowT
HeatreturnT
Staticpressure
S7status
S9status*

Log2days

M1,P1,P2,P3,P5*,V1,A1

Usersettings
Gotofactory
To
Systemsettings
Usersettings
Startcopying

Codeno.
Hardware
Software
Buildno.
Serialno.
MAC
Productionweek

Selectable
Selectable

60058

Backlight

60059

Contrast

38

Modbusaddr.

2048

ECL485addr.

2150

Servicepin

2151

Ext.reset

2050

Language

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ECLComfort210/296/310,applicationA231/A331

3.0Dailyuse

3.1Howtonavigate

Younavigateinthecontrollerbyturningthedialleftorrightto
thedesiredposition().

Thedialhasabuilt-inaccellerator.Thefasteryouturnthedial,the
fasteritreachesthelimitsofanywidesettingrange.

Thepositionindicatorinthedisplay(
youare.

Pushthedialtoconfirmyourchoices().

Thedisplayexamplesarefromatwo-circuitapplication:One
heatingcircuit()andonedomestichot-water(DHW)circuit().
Theexamplesmightdifferfromyourapplication.

)willalwaysshowyouwhere

ExampleshowsECL210/310

Heatingcircuit():DHWcircuit();

Somegeneralsettingswhichapplytotheentirecontrollerare
locatedinaspecificpartofthecontroller.

Toenter‘Commoncontrollersettings’:

Action:Purpose:

Choose‘MENU’inanycircuit

Confirm

Choosethecircuitselectoratthetop
rightcornerinthedisplay

Confirm

Choose‘Commoncontrollersettings’

Confirm

Examples:

Circuitselector

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ECLComfort210/296/310,applicationA231/A331

3.2Understandingthecontrollerdisplay

ThissectiondescribesthefunctioningeneralfortheECLComfort
210/296/310series.Theshowndisplaysaretypicalandnot
applicationrelated.Theymightdifferfromthedisplaysinyour
application.

Choosingafavoritedisplay

Yourfavoritedisplayisthedisplayyouhavechosenasthedefault
display.Thefavoritedisplaywillgiveyouaquickoverviewofthe
temperaturesorunitsthatyouwanttomonitoringeneral.

Ifthedialhasnotbeenactivatedfor20min.,thecontrollerwill
reverttotheoverviewdisplayyouhavechosenasfavorite.

Toshiftbetweendisplays:Turnthedialuntilyoureachthedisplay
selector(
turntochooseyourfavoriteoverviewdisplay.Pushthedialagain.

)atthebottomrightsideofthedisplay.Pushthedialand

Heatingcircuit

Overviewdisplay1informsabout:
actualoutdoortemperature,controllermode,
actualroomtemperature,desiredroomtemperature.

Overviewdisplay2informsabout:
actualoutdoortemperature,trendinoutdoortemperature,
controllermode,max.andmin.outdoortemperaturessince
midnightaswellasdesiredroomtemperature.

Overviewdisplay3informsabout:
date,actualoutdoortemperature,controllermode,time,desired
roomtemperatureaswellasshowsthecomfortscheduleofthe
currentday.

Overviewdisplay4informsabout:
stateofthecontrolledcomponents,actualflowtemperature,
(desiredflowtemperature),controllermode,returntemperature
(limitationvalue),influenceondesiredflowtemperature.

ThevalueabovetheV2symbolindicates0–100%oftheanalogue
signal(0–10V).

Note:

Anactualflowtemperaturevaluemustbepresent,otherwisethe
circuit'scontrolvalvewillclose.

Overviewdisplay1:Overviewdisplay2:

Overviewdisplay3:Overviewdisplay4:

Exampleofoverviewdisplaywith
Influenceindication:

Example,favoritedisplay1in
A230.3,wheremin.desiredroom
temperatureisindicated(22.7):

Dependentonthechosendisplay,theoverviewdisplaysforthe
heatingcircuitinformyouabout:

•actualoutdoortemperature(-0.5)

•controllermode()

•actualroomtemperature(24.5)

•desiredroomtemperature(20.7°C)

•trendinoutdoortemperature(

)

•min.andmax.outdoortemperaturessincemidnight(

•date(23.02.2010)

•time(7:43)

•comfortscheduleofthecurrentday(0-12-24)

•stateofthecontrolledcomponents(M2,P2)

•actualflowtemperature(49°C),(desiredflowtemperature(31))

•returntemperature(24°C)(limitationtemperature(50))

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)

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ECLComfort210/296/310,applicationA231/A331

Settingthedesiredtemperature

Dependingonthechosencircuitandmode,itispossibletoenter
alldailysettingsdirectlyfromtheoverviewdisplays(seealsothe
nextpageconcerningsymbols).

Thesettingofthedesiredroomtemperatureisimportantevenifa
roomtemperaturesensor/RemoteControlUnitisnotconnected.

Ifthetemperaturevalueisdisplayedas

"--"

thesensorinquestionisnotconnected.

"---"

thesensorconnectionisshort-circuited.

Settingthedesiredroomtemperature

Thedesiredroomtemperaturecaneasilybeadjustedinthe
overviewdisplaysfortheheatingcircuit.

Action:Purpose:

Examples:

Desiredroomtemperature

Confirm

Adjustthedesiredroomtemperature

Confirm

Thisoverviewdisplayinformsaboutoutdoortemperature,actual
roomtemperatureaswellasdesiredroomtemperature.

Thedisplayexampleisforcomfortmode.Ifyouwanttochange
thedesiredroomtemperatureforsavingmode,choosethemode
selectorandselectsaving.

20.5

21.0

Thesettingofthedesiredroomtemperatureisimportantevenifa
roomtemperaturesensor/RemoteControlUnitisnotconnected.

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ECLComfort210/296/310,applicationA231/A331

Settingthedesiredroomtemperature,ECA30/ECA31

Thedesiredroomtemperaturecanbesetexactlyasinthe
controller.However,othersymbolscanbepresentinthedisplay
(pleasesee'Whatdothesymbolsmean?').

WiththeECA30/ECA31youcanoverridethedesiredroom
temperaturesetinthecontrollertemporarilybymeansoftheoverride

functions:

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ECLComfort210/296/310,applicationA231/A331

3.3Ageneraloverview:Whatdothesymbolsmean?

Symbol

Description

Outdoortemp.

Relativehumidityindoor

Roomtemp.

DHWtemp.

Positionindicator

Scheduledmode

Comfortmode

Savingmode

Frostprotectionmode

Manualmode

Standby

Coolingmode

Symbol

Temperature

Mode

Description

Alarm

Letter

Event

Monitoringtemperaturesensor
connection

Displayselector

Max.andmin.value

Trendinoutdoortemperature

Windspeedsensor

Sensornotconnectedornotused

Sensorconnectionshort-circuited

Fixedcomfortday(holiday)

Activeinfluence

Heatingactive(+)
Coolingactive(-)

Activeoutputoverride

Optimizedstartorstoptime

Heating

Cooling

DHW

Commoncontrollersettings

PumpON

PumpOFF

FanON

FanOFF

Actuatoropens

Actuatorcloses
Actuator,analoguecontrol

signal
Pump/fanspeed

DamperON

Circuit

Controlled
component

Numberofheatexchangers

Additionalsymbols,ECA30/31:

Symbol

InECA30/31onlythesymbolsthatarerelevanttotheapplicationin
thecontrolleraredisplayed.

Description

ECARemoteControlUnit

Connectionaddress(master:15,slaves:1-9)

15

Dayoff

Holiday

Relaxing(extendedcomfortperiod)

Goingout(extendedsavingperiod)

DamperOFF

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ECLComfort210/296/310,applicationA231/A331

3.4Monitoringtemperaturesandsystemcomponents

ThissectiondescribesthefunctioningeneralfortheECLComfort
210/296/310series.Theshowndisplaysaretypicalandnot
applicationrelated.Theymightdifferfromthedisplaysinyour
application.

Heatingcircuit

Theoverviewdisplayintheheatingcircuitensuresaquick
overviewoftheactualand(desired)temperaturesaswellasthe
actualstateofthesystemcomponents.

Displayexample:

49°C

(31)

24°C

(50)

Inputoverview

Anotheroptiontogetaquickoverviewofmeasuredtemperatures
isthe'Inputoverview'whichisvisibleinthecommoncontroller
settings(howtoenterthecommoncontrollersettings,see
‘Introductiontocommoncontrollersettings’ .)

Asthisoverview(seedisplayexample)onlystatesthemeasured
actualtemperatures,itisread-only.

Flowtemperature

Desiredflowtemperature
Returntemperature

Returntemperaturelimitation

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ECLComfort210/296/310,applicationA231/A331

3.5Influenceoverview

ThissectiondescribesthefunctioningeneralfortheECLComfort
210/296/310series.Theshowndisplaysaretypicalandnot
applicationrelated.Theymightdifferfromthedisplaysinyour
application.

Themenugivesanoverviewoftheinfluencesonthedesired
flowtemperature.Itdiffersfromapplicationtoapplicationwhich
parametersarelisted.Itcanbehelpfulinaservicesituationto
explainunexpectedconditionsortemperaturesamongothers.

Ifthedesiredflowtemperatureisinfluenced(corrected)byoneor
moreparameters,itisindicatedbyasmalllinewitharrow-down,
arrow-upordouble-arrow:

Arrow-down:
Theparameterinquestionreducesthedesiredflowtemperature.

Arrow-up:
Theparameterinquestionincreasesthedesiredflowtemperature.

Double-arrow:
Theparameterinquestioncreatesanoverride(e.g.Holiday).

Straightline:
Noactiveinfluence.

Intheexample,thearrowinthesymbolpointsdownwardsfor
'Roomlim. ' .Thismeansthattheactualroomtemperatureis
higherthanthedesiredroomtemperaturewhichagainresultsina
decreaseofthedesiredflowtemperature.

ExampleofoverviewdisplaywithInfluenceindication:

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©Danfoss|2021.02|51

ECLComfort210/296/310,applicationA231/A331

3.6Manualcontrol

ThissectiondescribesthefunctioningeneralfortheECLComfort
210/296/310series.Theshowndisplaysaretypicalandnot
applicationrelated.Theymightdifferfromthedisplaysinyour
application.

Itispossibletomanuallycontroltheinstalledcomponents.

Manualcontrolcanonlybeselectedinfavoritedisplaysinwhich
thesymbolsforthecontrolledcomponents(valve,pumpetc.)are
visible.

Action:Purpose:

Choosemodeselector

Confirm

Choosemanualmode

Confirm

Choosepump

Confirm

SwitchONthepump

SwitchOFFthepump.

Confirmpumpmode

Choosemotorizedcontrolvalve

Confirm

Openthevalve

Stopopeningthevalve

Closethevalve

Examples:

ControlledcomponentsCircuitselector

Duringmanualoperation:

•Allcontrolfunctionsaredeactivated

•Outputoverrideisnotpossible

•Frostprotectionisnotactive

Stopclosingthevalve

Confirmvalvemode

Toleavemanualcontrol,usethemodeselectortoselectthe
desiredmode.Pushthedial.

Manualcontrolistypicallyusedwhencommisioningthe
installation.Thecontrolledcomponents,valve,pumpetc.,canbe
controlledforcorrectfunction.

52|©Danfoss|2021.02

Whenmanualcontrolisselectedforonecircuit,itisautomatically
selectedforallcircuits!

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ECLComfort210/296/310,applicationA231/A331

3.7Schedule

3.7.1Setyourschedule

ThissectiondescribesthescheduleingeneralfortheECLComfort
210/296/310series.Theshowndisplaysaretypicalandnot
applicationrelated.Theymightdifferfromthedisplaysinyour
application.Insomeapplications,however,theremightbemore
thanoneschedule.Additionalschedulescanbefoundin‘Common
controllersettings’ .

Thescheduleconsistsofa7-dayweek:

=

M

Monday

=

T

Tuesday

=

W

Wednesday

=

T

Thursday

=

F

Friday

=

S

Saturday

=

S

Sunday

Theschedulewillday-by-dayshowyouthestartandstoptimesof
yourcomfortperiods(heating/DHWcircuits).

Changingyourschedule:

Action:

Purpose:
Choose'MENU'inanyoftheoverview

displays
Confirm

Confirmthechoice'Schedule'

Choosethedaytochange

Confirm*

GotoStart1

Confirm

Adjustthetime

Confirm

GotoStop1,Start2etc.etc.

Returnto'MENU'

Confirm

Choose'Yes'or'No'in'Save'

Confirm

Examples:

*Severaldayscanbemarked

Thechosenstartandstoptimeswillbevalidforallthechosendays
(inthisexampleThursdayandSaturday).

Youcansetmax.3comfortperiodsaday.Youcandeleteacomfort
periodbysettingstartandstoptimestothesamevalue.

AQ000086469805en-010501

Eachcircuithasitsownschedule.Tochangetoanothercircuit,goto
'Home',turnthedialandchoosethedesiredcircuit.

Thestartandstoptimescanbesetinhalf-hourly(30min.)intervals.

©Danfoss|2021.02|53

ECLComfort210/296/310,applicationA231/A331

4.0Settingsoverview

Forfactorysettingsandsettingrange,seeappendix“ParameterIDoverview” .
ParametersindicatedwithanIDno.like"1x607"meanauniversalparameter.xstandsforcircuit/parametergroup.

SettingIDPage

Heatcurve

Heatcurve

Temp.max.(flowtemp.limit,max.)—A231.2/A331.2

Actual(actualfloworpower)

Pressure

Autosaving(savingtemp.dependentonoutdoortemp.)

Boost

Ramp(referenceramping)

Optimizer(optimizingtimeconstant)

Demandoffset

Totalstop

Pexercise(pumpexercise)

Mexercise(valveexercise)

Pre-stop(optimizedstoptime)

HighToutX1(returntemp.limitation,highlimit,X-axis)

LowlimitY1(returntemp.limitation,lowlimit,Y-axis)

LowToutX2(returntemp.limitation,lowlimit,X-axis)

HighlimitY2(returntemp.limitation,highlimit,Y-axis)

Infl.-max.(returntemp.limitation-max.influence)

Infl.-min.(returntemp.limitation-min.influence)

Adapt.time(adaptationtime)

DHWpriority(closedvalve/normaloperation)

PfrostT(circulationpump,frostprotectiontemp.)

PheatT(heatdemand)

Priority(priorityforreturntemp.limitation)

Frostpr.T(frostprotectiontemp.)

Inputtype

Limit(limitationvalue)

Adapt.time(adaptationtime)

Filterconstant

Units

HighlimitY2(flow/powerlimitation,highlimit,Y-axis)

LowlimitY1(flow/powerlimitation,lowlimit,Y-axis)

LowToutX2(flow/powerlimitation,lowlimit,X-axis)

HighToutX1(flow/powerlimitation,highlimit,X-axis)

Ext.input(externaloverride)

Ext.mode(externaloverridemode)

Upperdifference

1x01170

1x012

1x01372

1x01472

1x01787

1x02173

1x02279

1x02387

1x026

1x03163

1x03263

1x03363

1x03464

1x03564

1x03664

1x03764

1x05287

1x07788

1x07888

1x08565

1x09388

1x10967

1x111

1x11267

1x11368

1x115

1x11668

1x117

1x11869

1x11969

1x141

1x14289

1x147

Factorysettingsincircuit(s)

1

57

59

60

67

82

71

74

67

68

69

88

93

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ECLComfort210/296/310,applicationA231/A331

SettingIDPage

Lowerdifference

Delay,example

Lowesttemp.

Motorpr.(motorprotection)

Temp.min.

Temp.max.

Summer,cut-out(limitforheatingcut-out)

Xp(proportionalband)

Tn(integrationtimeconstant)

Mrun(runningtimeofthemotorizedcontrolvalve)

Nz(neutralzone)

Min.act.time(min.activationtimegearmotor)

Highsupp.TX2(highvalueofsupplytemp.)

HighTmaxY2(highvalueofmaxlimitation)

LowsupplyTX1(lowvalueofsupplytemp.)

LowTmaxY1(lowvalueofmaxlimitation)

Retrytime

Change,duration

Changetime(changeovertime)

Stab.time(stabilizationtime)

Chan.-overtime(change-overtime)

Circ.pumps

Pexercise(pumpexercise)

Pressure,des.(desiredpressure)

Pressure,diff.(switchingdifference)

Time-out

Refillwater

Valvedelay

No.ofpumps

Inputtype

1x14893

1x14993

1x15094

1x174

1x177

1x17860

1x179

1x18476

1x18576

1x186

1x187

1x18991

1x30060

1x30160

1x30261

1x30361

1x31079

1x31179

1x31280

1x31380

1x31480

1x31594

1x32083

1x32183

1x32283

1x32383

1x32494

1x32584

1x32685

1x32785

Factorysettingsincircuit(s)

1

76

60

74

77

77

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©Danfoss|2021.02|55

ECLComfort210/296/310,applicationA231/A331

5.0Settings

5.1IntroductiontoSettings

Descriptionsofsettings(parameter'sfunctions)aredividedinto
groupsasusedintheECLComfort210/296/310controller's
menustructure.Examples:"Flowtemperature" ,"Roomlimit"and
soon.Eachgroupstartswithageneralexplanation.

Thedescriptionsofeachparameterareinnumericorder,relatedto
theparameter'sIDnumbers.Youmightcomeacrossdifferences
betweentheorderinthisOperatingGuideandtheECLComfort
210/296/310controllers.

Someparameterdescriptionsarerelatedtospecificapplication
subtypes.Thismeansthatyoumightnotseetherelatedparameter
intheactualsubtypeintheECLcontroller.

Thenote"SeeAppendix… "referstotheAppendixattheendof
thisOperatingGuide,whereparameter'ssettingrangesandfactory
settingsarelisted.

Thenavigationhints(forexampleMENU>Settings>Returnlimit
…)covermultiplesubtypes.

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5.2Flowtemperature

TheECLComfortcontrollerdeterminesandcontrolstheflow
temperaturerelatedtotheoutdoortemperature.Thisrelationship
iscalledtheheatcurve.
Theheatcurveissetbymeansof6coordinatepoints.Thedesired
flowtemperatureissetat6pre-definedoutdoortemperature
values.
Theshownvaluefortheheatcurveisanaveragevalue(slope),
basedontheactualsettings.

Desiredflowtemperature

Outdoor

temp.

Desiredflowtemp.

A

BC

Your

settings

-30°C45°C75°C95°C

-15°C40°C60°C90°C

-5°C35°C50°C80°C
0°C32°C45°C70°C
5°C30°C40°C60°C

15°C25°C28°C35°C

A:Exampleforfloorheating
B:Factorysettings
C:Exampleforradiatorheating(highdemand)

MENU>Settings>Flowtemperature

Heatcurve

1

0.1...4.01.0

Theheatcurvecanbechangedintwoways:

1.Thevalueoftheslopeischanged(seeheatcurveexamples
onnextpage)

2.Thecoordinatesoftheheatcurvearechanged

Changethevalueoftheslope:

Pushthedialtoenter/changetheslopevalueoftheheatcurve
(example:1.0).
Whentheslopeoftheheatcurveischangedbymeansoftheslope
value,thecommonpointforallheatcurveswillbeadesiredflow
temperature=24.6°Catanoutdoortemperature=20°Canda
desiredroomtemperature=20.0°C.

Slopechanges

Coordinatechanges

Changethecoordinates:

Pushthedialtoenter/changethecoordinatesoftheheatcurve
(example:-30,75).
Theheatcurverepresentsthedesiredflowtemperaturesat
differentoutdoortemperaturesandatadesiredroomtemperature
of20°C.
Ifthedesiredroomtemperatureischanged,thedesiredflow
temperaturealsochanges:
(DesiredroomT-20)×HC×2.5
where"HC"istheHeatCurveslopeand"2.5"isaconstant.

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Thecalculatedflowtemperaturecanbeinfluencedbythe‘Boost’and
‘Ramp’functionsetc.

Example:

Heatcurve:
Desiredflowtemp.:

Desiredroomtemp.:
Calculation(22–20)×1.0×2.5=

Result:

Thedesiredflowtemperaturewillbecorrectedfrom50°Cto55°C.

1.0
50°C

22°C
5

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Choosingaheatcurveslope

Theheatcurvesrepresentthedesiredflowtemperatureatdifferentoutdoortemperaturesandatadesiredroomtemperatureof20°C.

Thesmallarrows()indicate6differentoutdoortemperaturevaluesatwhichyoucanchangetheheatcurve.

Max.limitationofthedesiredflowtemperature:

IntheapplicationsA231.1andA331.1themax.limitationvalueis
selectablein‘Temp.max. ’.

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

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5.2.1A231.2/A331.2

TheECLComfortcontrollerdeterminesandcontrolstheflow
temperaturerelatedtothesupplytemperature(S2).This
relationshipissetinthecontroller.

Theheatcurveissetinallcoordinatepointstothemax.desired
flowtemperature(150°C).Thedesiredflowtemperaturewill
alwaysbeinrelationtothesupplytemperature(S2).

Theshownvaluefortheheatcurveisanaveragevalue(slope),
basedontheactualsettings.

Outdoortemp.

FactorysettingY oursettings

-30°C150°C

-15°C150°C

-5°C150°C

0°C150°C

5°C150°C

15°C150°C

Adjustthedesiredflowtemperatureat-30,-15,-5,0,5,and15°C,
ifrequired.

MENU>Settings>Flowtemperature

Desiredflowtemperature

Supplytemp.(S2)

Heatcurve

CircuitSettingrange

1

Read-outonly

Factorysetting

Thefactorysetting(ageneraldesiredflowtemperatureof150°C)is
limitedtoamax.valuebasedonthesupplytemperature(S2)and
thesettingsinparameters‘Highsupp.TX2’ ,‘HighTmaxY2’ ,‘Low
supplyTX1’and‘LowTmaxY1’ .

Desiredflowtemperature

Supplytemp.(S2)

Theaboveheatcurveisanexampleofasupplytemperature(S2)of
85°C.Thedesiredflowtemperature(58°C)isbasedontheset-upof
therelationshipbetweenthesupplytemperature(S2)andthedesired
flowtemperature.

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Max.limitationofthedesiredflowtemperature:

IntheapplicationA231.2/A331.2thedesiredflowtemperatureor
max.limitationvaluedependsonthesupplytemperature(S2).The
relationshipissetinthefoursettings‘Highsupp.TX2’ ,‘HighTmax
Y2’ ,‘LowsupplyTX1’and‘LowTmaxY1’ .

Whensettingtheheatcurvecoordinatesasdescribedinthe
section'A231.1/A331.1’ ,thedesiredflowtemperaturecanbe
limitedtoamaximumaccordingtothesupplytemperature(S2).

MENU>Settings>Flowtemperature

Temp.min.

1x177

SeeAppendix“ParameterIDoverview”

Setthemin.flowtemperatureforthesystem.Thedesiredflow
temperaturewillnotbelowerthanthissetting.Adjustthefactory
setting,ifrequired.

MENU>Settings>Flowtemperature

Temp.max.

1x178

SeeAppendix“ParameterIDoverview”

Setthemax.flowtemperatureforthesystem.Thedesired
temperaturewillnotbehigherthanthissetting.Adjustthefactory
setting,ifrequired.

MENU>Settings>Flowtemperature

Temp.max.(flowtemp.limit,max.)—A231.2/A331.2

CircuitSettingrange

1

Read-outonly

Factorysetting

‘Temp.min.’isoverruledif'Totalstop'isactiveinSavingmodeor
'Cut-out'isactive.

‘Temp.min.’canbeoverruledbytheinfluencefromthereturn
temperaturelimitation(see'Priority').

Thesettingfor‘Temp.max. ’hashigherprioritythan‘Temp.min.’ .

Thesettingof‘heatcurve’ispossibleforheatingcircuitsonly.

Thesettingfor‘Temp.max. ’hashigherprioritythan‘Temp.min.’ .

Thesupplytemperature(S2)determinesthedesiredflow
temperature.Thevalueiscalculatedonbasisofthesettingsin
thefollowingparameters:'Highsupp.TX2' ,'HighTmaxY2' ,'Low
supplyTX1'and'LowTmaxY1' .

MENU>Settings>Flowtemperature

Highsupp.TX2(highvalueofsupplytemp.)

1x300

SeeAppendix“ParameterIDoverview”

Setthehighvalueforthesupplytemperatureinrelationtothe
desiredmax.flowtemperature.Whenthesupplytemperatureis
abovethesetvalue,themax.limitationoftheflowtemperatureis
theY2value.Whenthesupplytemperatureisbelowthesetvalue,
themax.limitationoftheflowtemperaturewillbelower.

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MENU>Settings>Flowtemperature

HighTmaxY2(highvalueofmaxlimitation)

1x301

SeeAppendix“ParameterIDoverview”

Setthehighvalueforthemax.limitationofthedesiredflow
temperature.

MENU>Settings>Flowtemperature

LowsupplyTX1(lowvalueofsupplytemp.)

1x302

SeeAppendix“ParameterIDoverview”

Setthelowvalueforthesupplytemperatureinrelationtothe
desiredmax.flowtemperature.Whenthesupplytemperatureis
belowthesetvalue,themax.limitationoftheflowtemperatureis
theY1value.Whenthesupplytemperatureisabovethesetvalue,
themax.limitationoftheflowtemperaturewillbehigher.

MENU>Settings>Flowtemperature

LowTmaxY1(lowvalueofmaxlimitation)

1x303

SeeAppendix“ParameterIDoverview”

Setthelowvalueforthemax.limitationofthedesiredflow
temperature.

Set-upprocedurewhenthesupplytemperature(S2)hastolimit
thedesiredflowtemperaturetoamaximum:

1.Choose‘Heatcurve’ .

2.Setthedesiredflowtemperatureinall6coordinates(-30°C,-15
°Cetc.)tothedesiredvalues.

Result:
Thedesiredflowtemperaturewillbeinrelationtotheoutdoor
temperaturebutwillbelimitedtoamaximumaccordingthe
settingsin‘Highsupp.TX2’ ,‘HighTmaxY2’ ,‘LowsupplyTX1’and
‘LowTmaxY1’ .

Theexampleshowsthemax.limitationofthedesiredflow
temperaturewhenthesupplytemperature(S2)is105°C.

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5.3Returnlimit

Thereturntemperaturelimitationisbasedontheoutdoor
temperature.Typicallyindistrictheatingsystemsahigherreturn
temperatureisacceptedatadecreaseinoutdoortemperature.The
relationshipbetweenthereturntemperaturelimitsandoutdoor
temperatureissetintwocoordinates.
Theoutdoortemperaturecoordinatesaresetin'HighToutX1'
and'LowToutX2' .Thereturntemperaturecoordinatesaresetin
'HighlimitY2'and'LowlimitY1' .
Thecontrollerautomaticallychangesthedesiredflowtemperature
toobtainanacceptablereturntemperaturewhenthereturn
temperaturefallsbeloworgetshigherthanthecalculatedlimit.
ThislimitationisbasedonaPIregulationwhereP('Infl.'factor)
respondsquicklytodeviationsandI('Adapt.time')responds
slowerandovertimeremovesthesmalloffsetsbetweenthe
desiredandactualvalues.Thisisdonebychangingthedesired
flowtemperature.

X
Y
#X1#
#X2#
#Y1#
#Y2#

=

Outdoortemperature

=

Limitationtemperature

=

HighTout(1x031)

=

LowTout(1x033)

=

Lowlimit(1x032)

=

Highlimit(1x034)

Example,maximumreturntemperaturelimitation;
returntemperaturegetshigherthanlimit

Thecalculatedlimitisshowninbrackets()inthemonitoringdisplay.
Seethesection"Monitoringtemperaturesandsystemcomponents" .

=

T

Temperature

=

Y

Temperature

=

X

Time

=

#1#

Returntemperature

=

#2#

Returntemperaturelimit

=

#3#

Desiredflowtemperature

=

#4#

Actionpoint

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Example,minimumreturntemperaturelimitation;
returntemperaturegetslowerthanlimit

=

T

Y

X

#1#

#2#

#3#

#4#

Temperature

=

Temperature

=

Time

=

Returntemperature

=

Returntemperaturelimit

=

Desiredflowtemperature

=

Actionpoint

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Returnlimit

HighToutX1(returntemp.limitation,highlimit,X-axis)

Settheoutdoortemperaturevalueforthelowreturntemperaturelimitation.

SeeAppendix“ParameterIDoverview”

ThecorrespondingYcoordinateissetin'LowlimitY1' .

MENU>Settings>Returnlimit

LowlimitY1(returntemp.limitation,lowlimit,Y-axis)

Setthereturntemperaturelimitationreferringtotheoutdoortemperature
valuesetin'HighToutX1' .

SeeAppendix“ParameterIDoverview”

ThecorrespondingXcoordinateissetin'HighToutX1' .

1x031

1x032

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MENU>Settings>Returnlimit

LowToutX2(returntemp.limitation,lowlimit,X-axis)

Settheoutdoortemperaturevalueforthehighreturntemperature
limitation.

SeeAppendix“ParameterIDoverview”

ThecorrespondingYcoordinateissetin'HighlimitY2'.

MENU>Settings>Returnlimit

HighlimitY2(returntemp.limitation,highlimit,Y-axis)

Setthereturntemperaturelimitationreferringtotheoutdoortemperature
valuesetin'LowToutX2' .

SeeAppendix“ParameterIDoverview”

ThecorrespondingXcoordinateissetin'LowToutX2' .

MENU>Settings>Returnlimit

Infl.-max.(returntemp.limitation-max.influence)

Determineshowmuchthedesiredflowtemperaturewillbeinfluencedifthe
returntemperatureishigherthanthesetlimit.

SeeAppendix“ParameterIDoverview”

1x033

1x034

Example

1x035

Thereturnlimitisactiveabove50°C.
Theinfluenceissetto0.5.
Theactualreturntemperatureis2degreestoohigh.
Result:
Thedesiredflowtemperatureischangedby0.5x2=1.0degree.

Influencehigherthan0:

Thedesiredflowtemperatureisincreased,whenthereturn
temperaturegetshigherthanthesetlimit.

Influencelowerthan0:

Thedesiredflowtemperatureisdecreased,whenthereturn
temperaturegetshigherthanthesetlimit.

MENU>Settings>Returnlimit

Infl.-min.(returntemp.limitation-min.influence)

Determineshowmuchthedesiredflowtemperaturewillbeinfluencedifthe
returntemperatureislowerthanthecalculatedlimit.

SeeAppendix“ParameterIDoverview”

Influencehigherthan0:

Thedesiredflowtemperatureisincreased,whenthereturn
temperaturegetsbelowthecalculatedlimit.

Influencelowerthan0:

Thedesiredflowtemperatureisdecreased,whenthereturn
temperaturegetsbelowthecalculatedlimit.

Example

1x036

Thereturnlimitisactivebelow50°C.
Theinfluenceissetto-3.0.
Theactualreturntemperatureis2degreestoolow.
Result:
Thedesiredflowtemperatureischangedby-3.0x2=-6.0degrees.

Normally,thissettingis0indistrictheatingsystemsbecausealower
returntemperatureisacceptable.

Typically,thissettingishigherthan0inboilersystemstoavoidatoo
lowreturntemperature(seealso'Infl.-max.').

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MENU>Settings>Returnlimit

Adapt.time(adaptationtime)

Controlshowfastthereturntemperatureadaptstothedesiredreturn
temperaturelimit(Integrationcontrol).

SeeAppendix“ParameterIDoverview”

OFF:

Thecontrolfunctionisnotinfluencedbythe‘Adapt.
time’ .

Minor

Thedesiredtemperatureisadaptedquickly.

value:
Major

Thedesiredtemperatureisadaptedslowly.

value:

MENU>Settings>Returnlimit

Priority(priorityforreturntemp.limitation)

Choosewhetherthereturntemperaturelimitationshouldoverruletheset
min.flowtemperature‘Temp.min. ’.

SeeAppendix“ParameterIDoverview”

OFF:

ON:

Themin.flowtemperaturelimitisnotoverruled.
Themin.flowtemperaturelimitisoverruled.

1x037

Theadaptationfunctioncancorrectthedesiredflowtemperature
withmax.8K.

1x085

IfyouhaveaDHWapplication:
Pleasealsosee‘Paralleloperation’(ID11043).

IfyouhaveaDHWapplication:
Whendependentparalleloperationisinfunction:

•Desiredflowtemperaturefortheheatingcircuitwillbeminimum
limited,when"Priorityforreturntemperature"(ID1x085)isset
toOFF.

•Desiredflowtemperaturefortheheatingcircuitwillnotbe
minimumlimited,when"Priorityforreturntemperature"
(ID1x085)issettoON.

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5.4Flow/powerlimit

Heatingcircuit

AfloworenergymetercanbeconnectedtotheECLcontrollerin
ordertolimitthefloworconsumedpower.Thesignalfromthe
floworenergymeterisapulsesignal.

WhentheapplicationrunsinanECLComfort296/310controller,
theflow/powersignalcanbeobtainedfromaflow/energymeter
viatheM-busconnection.

Theflow/powerlimitationcanbebasedontheoutdoor
temperature.Typically,indistrictheatingsystemsahigherflowor
powerisacceptedatloweroutdoortemperatures.

Therelationshipbetweenthefloworpowerlimitsandtheoutdoor
temperatureissetintwocoordinates.

Theoutdoortemperaturecoordinatesaresetin'HighToutX1'
and'LowToutX2'.

Thefloworpowercoordinatesaresetin'LowlimitY1'and'High
limitY2' .Basedonthesesettings,thecontrollercalculatesthe
limitationvalue.

Whentheflow/powergetshigherthanthecalculatedlimit,the
controllergraduallyreducesthedesiredflowtemperaturetoobtain
anacceptablemax.floworpowerconsumption.

X

Y

#X1#

#X2#

#Y1#

#Y2#

X

Y

#1#

#2#

#3#

=

Outdoortemperature

=

Limitation,floworpower

=

HighTout(1x119)

=

LowTout(1x118)

=

Lowlimit(1x117)

=

Highlimit(1x116)

=

Time

=

Floworpower

=

Floworpowerlimit

=

Actualfloworenergy

=

Desiredflowtemperature

Theparameter'Units'(ID1x115)hasareducedsettingrangewhen
theflow/energysignalcomesviaM-bus.

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ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Flow/powerlimit

Pulsebasedsignalforflow/power ,appliedtoinputS7

Formonitoring:
Frequencyrangeis0.01-200Hz

Forlimitation:
Minimumfrequencyisrecommendedtobe1Hzinordertohavea

stablecontrol.Furthermore,thepulsesmustappearregularly.

Inputtype

Choiceofinputtypefromflow/energymeter

SeeAppendix“ParameterIDoverview”

OFF:

IM1-

Noinput

Flow/energymetersignalbasedonpulses.

IM5:
EM1-

Flow/energymetersignalfromM-bus.

EM5:

MENU>Settings>Flow/powerlimit

Actual(actualfloworpower)

Thevalueistheactualfloworpowerbasedonthesignalfromflow/energy
meter.

MENU>Settings>Flow/powerlimit

Limit(limitationvalue)

Thisvalueisinsomeapplicationsacalculatedlimitationvalue,basedonthe
actualoutdoortemperature.
Inotherapplicationsthevalueisaselectablelimitationvalue.

1x109

ThesettingrangeforIMandEMdependsonchosensubtype.

1x111

SeeAppendix“ParameterIDoverview”

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MENU>Settings>Flow/powerlimit

Adapt.time(adaptationtime)

Controlshowfasttheflow/powerlimitationadaptstothedesired
limitation.

SeeAppendix“ParameterIDoverview”

OFF:

Thecontrolfunctionisnotinfluencedbythe‘Adapt.
time’ .

Minor

Thedesiredtemperatureisadaptedquickly.

value:
Major

Thedesiredtemperatureisadaptedslowly.

value:

MENU>Settings>Flow/powerlimit

Filterconstant

Thevalueofthefilterconstantdeterminesthedampeningofthemeasured
value.
Thehigherthevalue,themoredampening.
Bythis,atooquickchangeofthemeasuredvaluecanbeavoided.

SeeAppendix“ParameterIDoverview”

Minor

Lowerdampening

value:
Major

Higherdampening

value:

1x112

Ifthe‘Adapt.time’istoolow,thereisariskofunstablecontrol.

1x113

MENU>Settings>Flow/powerlimit

Units

Choiceofunitsformeasuredvalues.

SeeAppendix“ParameterIDoverview”

Unitstotheleft:pulsevalue.
Unitstotheright:actualandlimitationvalues.

Thevaluefromtheflowmeterisexpressedasmlorl.
ThevaluefromtheenergymeterisexpressedasWh,kWh,MWh
orGWh.

Thevaluesfortheactualflowandtheflowlimitationareexpressed
asl/horm³/h.

Thevaluesfortheactualpowerandthepowerlimitationare
expressedaskW,MWorGW.

1x115

Listforsettingrangeof'Units':
ml,l/h
l,l/h
ml,m³/h
l,m³/h
Wh,kW
kWh,kW
kWh,MW
MWh,MW
MWh,GW
GWh,GW

Example1:

'Units'(11115):

'Pulse'(11114):

l,m³/h
10

Eachpulserepresents10litresandtheflowisexpressedascubic
meters(m³)perhour.

Example2:

'Units'(11115):

'Pulse'(11114):

kWh,kW(=kiloWatthour,kiloWatt)
1

Eachpulserepresents1kiloWatthourandthepoweris
expressedinkiloWatt.

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MENU>Settings>Flow/powerlimit

HighlimitY2(flow/powerlimitation,highlimit,Y-axis)

Settheflow/powerlimitationreferringtotheoutdoortemperatureset
in'LowToutX2' .

SeeAppendix“ParameterIDoverview”

ThecorrespondingXcoordinateissetin'LowToutX2' .

MENU>Settings>Flow/powerlimit

LowlimitY1(flow/powerlimitation,lowlimit,Y-axis)

Settheflow/powerlimitationreferringtotheoutdoortemperaturesetin
'HighToutX1' .

SeeAppendix“ParameterIDoverview”

ThecorrespondingXcoordinateissetin'HighToutX1' .

MENU>Settings>Flow/powerlimit

LowToutX2(flow/powerlimitation,lowlimit,X-axis)

Settheoutdoortemperaturevalueforthehighflow/powerlimitation.

1x116

1x117

Thelimitationfunctioncanoverruletheset'Temp.min'ofthedesired
flowtemperature.

1x118

SeeAppendix“ParameterIDoverview”

ThecorrespondingYcoordinateissetin'HighlimitY2'.

MENU>Settings>Flow/powerlimit

HighToutX1(flow/powerlimitation,highlimit,X-axis)

Settheoutdoortemperaturevalueforthelowflow/powerlimitation.

SeeAppendix“ParameterIDoverview”

ThecorrespondingYcoordinateissetin'LowlimitY1' .

1x119

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5.5Optimization

Thesection"Optimization"describesspecificapplicationrelated
issues.
Theparameters'Autosaving' ,'Boost' ,'Optimizer' ,'T otalstop'areall
relatedtoheatingmodeonly.
'Summer,cut-out'determine,atrisingoutdoortemperature,the
stopofheating.

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

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MENU>Settings>Optimization

Autosaving(savingtemp.dependentonoutdoortemp.)

Belowthesetvaluefortheoutdoortemperature,thesavingtemperature
settinghasnoinfluence.Abovethesetvaluefortheoutdoortemperature,
thesavingtemperaturerelatestotheactualoutdoortemperature.The
functionisrelevantindistrictheatinginstallationsinordertoavoidabig
changeinthedesiredflowtemperatureafterasavingperiod.

SeeAppendix“ParameterIDoverview”

OFF:

Thesavingtemperaturedoesnotdependonthe
outdoortemperature;thereductionis100%.

Value:Thesavingtemperaturedependsontheoutdoor

temperature.Whentheoutdoortemperatureisabove
10°C,thereductionis100%.Thelowertheoutdoor
temperature,thelessthetemperaturereduction.
Belowthesetvalue,thesavingtemperaturesetting
hasnoinfluence.

Comforttemperature:

Thedesiredroomtemperaturein
Comfortmode

Savingtemperature:

ThedesiredroomtemperatureinSaving
mode

ThedesiredroomtemperaturesforComfortandSavingmodes
aresetinthedisplayoverviews.

1x011

=

X

Y

#1#

#2#

#3#

Example:

Actualoutdoortemperature(T.out):

DesiredroomtemperaturesettinginComfortmode:

DesiredroomtemperaturesettinginSavingmode:

Settingin‘Autosaving’:

Outdoortemperature(°C)

=

Desiredroomtemperature(°C)

=

Desiredroomtemperature(°C),Comfortmode

=

Desiredroomtemperature(°C),Savingmode

=

Autosavingtemperature(°C),ID11011

–5°C

22°C

16°C

–15°C

Theconditionfortheoutdoortemperatureinfluence:

T.out.influence=(10-T.out)/(10-setting)=
(10-(-5))/(10-(-15))=
15/25=0,6

ThecorrecteddesiredroomtemperatureinSavingmode:
T.room.ref.Saving+(T.out.influencex(T.room.ref.Comfort­T.room.ref.Saving))
16+(0,6x(22-16))=19,6°C

=

X

Y

Outdoortemperature(°C)

=

Desiredroomtemperature(°C)

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MENU>Settings>Optimization

Boost

Shortenstheheating-upperiodbyincreasingthedesiredflowtemperature
bythepercentageyouset.

SeeAppendix“ParameterIDoverview”

OFF:

Value:

Theboostfunctionisnotactive.
Thedesiredflowtemperatureisincreasedtemporarily

withthesetpercentage.

Inordertoshortentheheating-upperiodafterasaving
temperatureperiod,thedesiredflowtemperaturecanbeincreased
temporarily(max.1hour).Atoptimizingtheboostisactiveinthe
optimizationperiod('Optimizer').
IfaroomtemperaturesensororanECA30/31isconnected,the
booststopswhentheroomtemperatureisreached.

MENU>Settings>Optimization

Ramp(referenceramping)

Thetime(minutes)inwhichthedesiredflowtemperatureincreases
graduallytoavoidloadpeaksintheheatsupply.

SeeAppendix“ParameterIDoverview”

1x012

1x013

OFF:

Value:

Therampingfunctionisnotactive.
Thedesiredflowtemperatureisincreasedgraduallywith

thesetminutes.

Inordertoavoidloadpeaksinthesupplynetwork,theflow
temperaturecanbesettoincreasegraduallyafteraperiodwith
savingtemperature.Thiscausesthevalvetoopengradually.

=

X
Y
#1#

Time

=

Desiredflowtemperature

=

Rampingtime

=

Comforttemperature

=

Savingtemperature

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MENU>Settings>Optimization

Optimizer(optimizingtimeconstant)

Optimizesthestartandstoptimesforthecomforttemperatureperiodto
obtainthebestcomfortatthelowestenergyconsumption.
Thelowertheoutdoortemperature,theearliertheheatingcut-in.Thelower
theoutdoortemperature,thelatertheheatingcut-out.
Theoptimizedheatingcut-outtimecanbeautomaticordisabled.The
calculatedstartandstoptimesarebasedonthesettingoftheoptimizing
timeconstant.

SeeAppendix“ParameterIDoverview”

Adjusttheoptimizingtimeconstant.

Thevalueconsistsofatwodigitnumber.Thetwodigitshavethe
followingmeaning(digit1=TableI,digit2=TableII).

OFF:

Nooptimization.Theheatingstartsandstopsatthe
timessetintheschedule.

10...59:

SeetablesIandII.

TableI:

1x014

Systemtype

LeftdigitHeataccumulationofthe

building

Radiator

1-light

systems

2-medium

3-heavy

Floorheating

4-medium

systems

5-heavy

TableII:

RightdigitDimensioningtemperatureCapacity

-0-50°Clarge


-1

-45°C



-5

-25°C

normal



-9

Dimensioningtemperature:

Thelowestoutdoortemperature(usuallydeterminedbyyoursystem
designerinconnectionwiththedesignoftheheatingsystem)atwhich
theheatingsystemcanmaintainthedesignedroomtemperature.

Example

Thesystemtypeisradiator,andtheheataccumulationofthebuilding
ismedium.

Theleftdigitis2.
Thedimensioningtemperatureis-25°C,andthecapacityisnormal.
Therightdigitis5.
Result:
Thesettingistobechangedto25.

-5°C

small

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MENU>Settings>Optimization

Totalstop

Decidewhetheryouwantatotalstopduringthesavingtemperatureperiod.

1x021

SeeAppendix“ParameterIDoverview”

OFF:

Nototalstop.Thedesiredflowtemperatureisreduced
accordingto:

•desiredroomtemperatureinsavingmode

•autosaving

ON:

Thedesiredflowtemperatureisloweredtothesetvalue
in‘Frostpr. ’Thecirculationpumpisstoppedbutfrost
protectionisstillactive,see'PfrostT' .

Totalstop=OFF

Totalstop=ON

X
Y

=

Time

=

Desiredflowtemperature

=

Comforttemperature

=

Savingtemperature

=

Frostprotection

MENU>Settings>Optimization

Pre-stop(optimizedstoptime)

Disabletheoptimizedstoptime.

SeeAppendix“ParameterIDoverview”

OFF:

ON:

Theoptimizedstoptimeisdisabled.
Theoptimizedstoptimeisenabled.

Themin.flowtemperaturelimitation('Temp.min.')isoverruledwhen
'Totalstop'isON.

1x026

Example:OptimizationofComfortfrom07:00-22:00

=

X
#1#
#2#
#3#
#4#
#5#

Time

=

Schedule

=

Prestop=OFF

=

Prestop=ON

=

Optimizedstart

=

Optimizedstop

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MENU>Settings>Optimization

Summer,cut-out(limitforheatingcut-out)

1x179

SeeAppendix“ParameterIDoverview”

TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis
higherthanthesetvalue.Thevalveclosesandafterthepost-run
time,theheatingcirculationpumpstops.‘Temp.min.’willbe
overruled.

TheheatingsystemswitchesONagainwhentheoutdoor
temperatureandtheaccumulated(filtered)outdoortemperature
becomelowerthanthesetlimit.

Thisfunctioncansaveenergy.

Setthevalueforoutdoortemperatureatwhichyouwantthe
heatingsystemtoswitchOFF .

Summer,cut-out

=

X

Y

#1#

#2#

#3#

#4#

#5#

Time

=

Temperature

=

Actualoutdoortemperature

=

Cut-outtemperature(1x179)

=

Accummulated(filtered)outdoortemperature

=

Heatingenabled

=

Heatingdisabled

Theheatingcut-outisonlyactivewhenthecontrollermodeisin
scheduledoperation.Whenthecut-outvalueissettoOFF,thereis
noheatingcut-out.

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5.6Controlparameters

Controlofvalves

Themotorizedcontrolvalvesarecontrolledbymeansof3-point
controlsignal.

Valvecontrol:
Themotorizedcontrolvalveisopenedgraduallywhentheflow
temperatureislowerthanthedesiredflowtemperatureandvice
versa.
Thewaterflowthroughthecontrolvalveismanagedbymeans
ofanelectricactuator.Thecombination"actuator"and"control
valve"isalsocalledmotorizedcontrolvalve.Theactuatorcanin
thiswaygraduallyincreaseordecreasetheflowinordertochange
thesuppliedenergy.Differenttypesofactuatorsareavailable.

3-pointcontrolledactuator:
Theelectricactuatorcontainsareversiblegear-motor.Electric
"open"and"close"signalscomefromtheelectronicoutputsofthe
ECLComfortcontrollerinordertomanagethecontrolvalve.The
signalsareintheECLComfortcontrollerexpressedas"Arrow-up"
(open)and"Arrow-down"(close)anddisplayedatthevalvesymbol.
Whentheflowtemperature(forexampleatS3)islowerthanthe
desiredflowtemperature,shortopen-signalscomefromtheECL
Comfortcontrollerinordertograduallyincreasetheflow.Bythis,
theflowtemperaturewillalignwiththedesiredtemperature.
Oppositely,whentheflowtemperatureishigherthanthedesired
flowtemperature,shortclose-signalscomefromtheECLComfort
controllerinordertograduallyreducetheflow.Again,theflow
temperaturealignswiththedesiredtemperature.
Neitheropen-signalsnorclose-signalswillcomeaslongastheflow
temperaturecorrespondstothedesiredtemperature.

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Controlparameters

Motorpr.(motorprotection)

Preventsthecontrollerfromunstabletemperaturecontrol(andresulting
actuatoroscillations).Thiscanoccuratverylowload.Themotorprotection
increasesthelifetimeofallinvolvedcomponents.

SeeAppendix“ParameterIDoverview”

OFF:

Value:

Motorprotectionisnotactivated.

Motorprotectionisactivatedafterthesetactivation
delayinminutes.

MENU>Settings>Controlparameters

Xp(proportionalband)

SeeAppendix“ParameterIDoverview”

Settheproportionalband.Ahighervaluewillresultinastablebut
slowcontroloftheflowtemperature.

1x174

1x184

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MENU>Settings>Controlparameters

Tn(integrationtimeconstant)

SeeAppendix“ParameterIDoverview”

Setahighintegrationtimeconstant(inseconds)toobtainaslow
butstablereactiontodeviations.

Alowintegrationtimeconstantwillmakethecontrollerreactfast
butwithlessstability.

MENU>Settings>Controlparameters

Mrun(runningtimeofthemotorizedcontrolvalve)

‘Mrun’isthetimeinsecondsittakesthecontrolledcomponenttomove
fromfullyclosedtofullyopenposition.

SeeAppendix“ParameterIDoverview”

Setthe‘Mrun’accordingtotheexamplesormeasuretherunning
timebymeansofastopwatch.

MENU>Settings>Controlparameters

1x185

1x186

Howtocalculatetherunningtimeofamotorizedcontrolvalve

Therunningtimeofthemotorizedcontrolvalveiscalculatedusing
thefollowingmethods:

Seatedvalves

Runningtime=

Example:

Rotatingvalves

Runningtime=

Example:90degr.x2sec./degr.=180sec.

Valvestroke(mm)xactuatorspeed(sec./mm)

5.0mmx15sec./mm=75sec.

Turningdegreesxactuatorspeed(sec./degr.)

Nz(neutralzone)

Whentheactualflowtemperatureiswithintheneutralzone,thecontroller
doesnotactivatethemotorizedcontrolvalve.

SeeAppendix“ParameterIDoverview”

Settheacceptableflowtemperaturedeviation.

Settheneutralzonetoahighvalueifyoucanacceptahigh
variationinflowtemperature.

1x187

Theneutralzoneissymmetricalaroundthedesiredflowtemperature
value,i.e.halfthevalueisaboveandhalfthevalueisbelowthis
temperature.

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IfyouwanttotunethePIregulationprecisely,youcanusethefollowingmethod:

•Setthe‘Tn’(integrationtimeconstant)toitsmax.value(999sec.).

•Decreasethevalueforthe‘Xp’(proportionalband)untilthesystemstartshunting(i.e.getsunstable)withaconstantamplitude(it
mightbenecessarytoforcethesystembysettinganextremelowvalue).

•Findthecriticaltimeperiodonthetemperaturerecorderoruseastopwatch.

Temp.

Thiscriticaltimeperiodwillbecharacteristicforthesystem,andyoucanevaluatethesettingsfromthiscriticalperiod.
‘Tn’=

0.85xcriticaltimeperiod

‘Xp’=

2.2xproportionalbandvalueinthecriticaltimeperiod

Iftheregulationseemstobetooslow,youcandecreasetheproportionalbandvalueby10%.Makesurethereisaconsumption
whenyousettheparameters.

Criticaltimeperiod

Time

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5.7Pumpcontrol

Thisapplicationcanoperatewithoneortwocirculationpumps.
Whenoperatingwithtwocirculationpumps,thepumpsare
controlledalternately,accordingtoatimeset-up.Whenapump
isswitchedONthecontrolleriswaitingfordifferentialpressure
(S7)tobuildup.Ifdifferentialpressureisnotachieved,analarmis
generatedandtheECLComfortcontrollerswitchesONtheother
pump.

Ifnoneofthepumpscancomeintooperation(detectedbymeans
ofthedifferentialpressureswitch),thealarmisactivatedandthe
motorizedcontrolvalvecloses(asafetyfunction).

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Pumpcontrol

Pexercise(pumpexercise)

Exercisesthepumptoavoidblockinginperiodswithoutheatdemand.

SeeAppendix“ParameterIDoverview”

OFF:

ON:

Thepumpexerciseisnotactive.

ThepumpisswitchedONfor1minuteeverythirddayat
noon(12:14hours).

MENU>Settings>Pumpcontrol

Retrytime

Ifanalarmhasbeengeneratedforthepumporalarmshavebeengenerated
forbothpumps,thissettingwilldeterminethetimebetweenthetimeofthe
alarmandtheretrytimeforrepeatedpumpstart.

SeeAppendix“ParameterIDoverview”

OFF:

Noretrytimerequiredafteranalarm.Thepumpor
pumpsinquestionwillnotberestarted.

1...99:

Afteranalarm,thepumporpumpswillberestarted
afterthesettime.

1x022

1x310

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MENU>Settings>Pumpcontrol

Change,duration

Thenumberofdaysbetweenshiftofcirculationpumps.Theshifttakesplace
atthetimesetin'Changetime' .

SeeAppendix“ParameterIDoverview”

MENU>Settings>Pumpcontrol

Changetime(changeovertime)

Theexacttimeoftheday,wheretheshiftmusttakeplace.Thedayisdivided
into24hours.Thefactorysettinghereis12whichmeans12:00(noon).

1x311

=

X
#1#
#2#
#3#

1x312

Time

=

PumpP1

=

PumpP2

=

Change,duration(days)

SeeAppendix“ParameterIDoverview”

MENU>Settings>Pumpcontrol

Stab.time(stabilizationtime)

Settingofmax.timetoelapsebetweenpumpstartcommandandfeedback
fromdifferentialpressureswitch.
Ifthedifferentialpressureswitchdoesnotgivefeedbackwithinthesettime,
thealarmwillbeactivatedandtheotherpumpwillgetastartcommand.

SeeAppendix“ParameterIDoverview”

=

X
#1#
#2#
#3#

1x313

Time

=

PumpP1

=

PumpP2

=

Changetime(clocktime)

Ifthechosenstabilizationtime(‘Stab.time’)istooshort,theactive
pumpwillstopimmediatelyafterthestabilizationtimehaselapsed.

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MENU>Settings>Pumpcontrol

Chan.-overtime(change-overtime)

Settingoftimetoelapsebetweenthepumpstopcommandforonepump
andthestartcommandfortheotherpump.
Thechange-overtimecanensurethatapumpisstoppedefficientlybefore
theotherpumpstarts.

SeeAppendix“ParameterIDoverview”

OFF:

1...99:

Onecirculationpumpintheapplication.

Timeforchange-over.

1x314

=

X
#1#
#2#
#3#

Time

=

PumpP1

=

PumpP2

=

Change-overtime(sec.)

‘Chan.-overtime’hastobechoseninsystemswithtwopumps.

Thestatusofthedifferentialpressureswitchisshownin'Input
overview'.

(Navigation:MENU>Commoncontroller>Inputoverview).

Example:

S7status...OFF/ON

OFF:

Thedifferentialpressureswitchisclosed(differential
pressureisOK)

ON:

Thedifferentialpressureswitchisopen(differential
pressureisnotOK)

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5.8Refillwater

Leaksontheconsumerssidewillresultinfallingstaticpressureand
therebyapoorsupplyofheating.Arefillwaterfunctioncaninject
watertoincreasethestaticpressure.

Thisapplicationcanmonitorthestaticpressureandenablethe
refillwaterfunctionwhenthepressureistoolow.

Thepressureismeasuredbymeansofapressuretransmitter
(givinga0-10voltsignalinrelationtothemeasuredpressure)or
apressureswitch.

Whenapressuretransmittersignalisused,twosettingsinthe
controllerrepresentpressuresetpointanddifference.

Whenapressureswitchsignalisused,thesetpointand(maybe)
theswitchingdifferenceissetonthepressureswitch.

Whenatoolowpressureisdetectedtherefillwaterpumpis
switchedONand,afterasettime,theON-OFFvalveisactivated.

Ifthepressureisnotachievedwithinasettime,analarmis
generated.TheECLComfortcontrollerswitchesOFFthecirculation
pumpsafter60secondsandthecontrolvalvecloses(asafety
function).

MENU>Settings>Refillwater

Pressure

CircuitSettingrange

1

Read-outonly

Factorysetting

Theread-outcanbeavalue(inbar):

•Thepressureismeasuredbymeansofapressuretransmitter.
Thetransmittersendsthemeasuredpressureasa0-10V.
ThevoltagesignalcanbeapplieddirectlytoinputS8.The
measuredvoltageoninputS8mustbeconvertedtoapressure
valuebythecontroller.Thisproceduresetsupthescaling:

Pushthedialtoseethegraphandenterthevaluesetsforthe
inputvoltage(2and10volt)anddisplayedpressure(inbar).

Pressurevaluerange:0.0...30.0bar

Fixedvoltagesettings:2Vand10V

Factorysettings:(2.0,0)and(10,20.0)

Thismeansthatthe‘Pressure'is0.0barat2Vand20.0barat
10V.

Typically,thehigherthevoltage,thehigherthedisplayed
pressure.

Ortheread-outcanbeOFForON:

•Thepressureismeasuredbymeansofapressureswitch.The
pressureswitchhasanopencontactwhenmeasuringatoolow
pressure(shownasOFF).WhenmeasuredpressureisOK,the
contactisclosed(shownasON).

Thepressureswitchcontact(potentialfree)isconnected
directlytoinputS8.

=

X
Y
#1#
#2#

Volt

=

Bar

=

0bar

=

30,0bar

Thisscalingmenuisalwaysshown,regardlesswhetherapressure
transmitterorapressureswitchisused.

Examplesforsettingtherelationshipbetweenpressuretransmitter
voltage(0-10Volt)andpressurevalue(bar)canbeseeninthesection
"Frequentlyaskedquestions" .

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ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Refillwater

Pexercise(pumpexercise)

Thetimethepumpisactivatedduringexercise.Exercisetakesplaceevery
day(at12:00).

SeeAppendix“ParameterIDoverview”

OFF:

1...200:

Nopumpexercise.

Activationtimeduringexercise.

MENU>Settings>Refillwater

Pressure,des.(desiredpressure)

SettingofdesiredpressureatS8inordertoON/OFFcontroltherefill
pump(s)P3/P5.
Seealso'Pressurediff. '

SeeAppendix“ParameterIDoverview”

MENU>Settings>Refillwater

Pressure,diff.(switchingdifference)

Settingoftheswitchingdifferenceformeasuredstaticpressure(pressure
transmitter).Thedifferenceissymmetricalaroundthe'Pressuredes. 'See
also'Pressuredes. '

1x320

1x321

1x322

SeeAppendix“ParameterIDoverview”

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=

X
Y
#1#

#2#
#3#

Time

=

Pressure

=

Pressuredesired

=

Actualpressure

=

Pressuredifference

Thesettingsin'Pressure,des. 'and'Pressure,diff.'havenoinfluence
whenapressureswitchisused.

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MENU>Settings>Refillwater

Time-out

Settingofthemax.timeforrefill.Thepressure,measuredbyS8,mustbe
OKwithinthesettime.Ifnot,therefillwaterfunctionstopsandanalarm
isactivated.

SeeAppendix“ParameterIDoverview”

1x323

=

X
#1#
#2#
#3#

Time

=

PressureOK/notOK

=

Refillpump

=

Time-out

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=

X
#1#
#2#
#3#
#4#

Time

=

PressureOK/notOK

=

Refillpump

=

Time-out

=

Alarm

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MENU>Settings>Refillwater

Valvedelay

SettingofthetimeforactivationoftheON/OFFvalveafterstartoftherefill
waterpump.

SeeAppendix“ParameterIDoverview”

1x325

=

X
Y
#1#
#2#
#3#
#4#

Time

=

Pressure

=

Pressuredesired

=

Actualpressure

=

Pressuredifference

=

Valvedelay

MENU>Settings>Refillwater

No.ofpumps

Settingofthenumberofpumpsintherefillwatercircuit.

SeeAppendix“ParameterIDoverview”

OFF:

Therefillwaterpumpfunctioniscontrolledbythe
mastercontroller.

1...2:

Therefillwaterfunctionhasoneortwopumps.

1x326

Refillwater
pump

WhenselectingOFFandademandforrefilloccurs,thecontroller
fortheactualcircuitsendstherequirementviatheECL485
communicationbustothemastercontroller.

Themastermustberunninganapplicationwithrefillwaterfunction.
Themasterstartstherefillwaterpumpandsends,viatheECL485
communicationbus,amessagethattherefillwaterpumpisstarted.
Therefillwatervalvethenopens.

Theslavemusthaveanaddress1...9.

Refillwater
valve

ECL485
communication
bus

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MENU>Settings>Refillwater

Inputtype

Choiceofpressureinputsignal.

SeeAppendix“ParameterIDoverview”

OFF:

Pressuresignalisnotrequired.Therefillwaterfunction
isdisabled.

AI:

DI:

Theinputsignalisananalogsignal(0-10V).
Theinputsignalisadigitalsignal(switchOFForON).

1x327

Whenselecting‘OFF’ ,therefillwatersystemcouldbeself-acting.

Thestaticpressureisshownin'Inputoverview'asavalueinbaror
OFF/ON.

Example:

OFF:

Thepressureswitchisopen(pressureisnotOK)

ON:

Thepressureswitchisclosed(pressureisOK)

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5.9Application

Thesection"Application"describesspecificapplicationrelated
issues.
Someoftheparameterdescriptionsareuniversalfordifferent
applicationkeys.

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Application

Demandoffset

Thedesiredflowtemperatureinheatingcircuit1canbeinfluencedbythe
demandforadesiredflowtemperaturefromanothercontroller(slave)or
anothercircuit.

SeeAppendix“ParameterIDoverview”

OFF:

Thedesiredflowtemperatureincircuit1isnot
influencedbythedemandofanyothercontroller(slave
orcircuit2).

Value:

Thedesiredflowtemperatureisincreasedbytheset
valuein‘Demandoffset’ ,ifthedemandoftheslave/
circuit2ishigher.

MENU>Settings>Application

Mexercise(valveexercise)

Exercisesthevalvetoavoidblockinginperiodswithoutheatdemand.

SeeAppendix“ParameterIDoverview”

Temp.

1x017

Thefunctionof‘Demandoffset’cancompensateforheatlosses
betweenmasterandslavecontrolledsystems.

1x023

Settingin
‘Demandoffset’

Des.flowtemp.,
circuit1

Des.flowtemp.,
circuit2

Time

OFF:

ON:

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Thevalveexerciseisnotactive.

Thevalveopensfor7minutesandclosesfor7minutes
everythirddayatnoon(12:00hours).

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MENU>Settings>Application

DHWpriority(closedvalve/normaloperation)

Theheatingcircuitcanbeclosedwhenthecontrolleractsasslaveandwhen
DHWheating/chargingisactiveinthemaster.

SeeAppendix“ParameterIDoverview”

OFF:

Theflowtemperaturecontrolremainsunchanged
duringactiveDHWheating/charginginthemaster
controller.

ON:

Thevalveintheheatingcircuitisclosed*duringactive
DHWheating/charginginthemastercontroller.

*Thedesiredflowtemperatureissettothevaluesetin
‘Frostpr.T’

MENU>Settings>Application

PfrostT(circulationpump,frostprotectiontemp.)

Frostprotection,basedontheoutdoortemperature.
Whentheoutdoortemperaturegetsbelowthesettemperaturevaluein‘P
frostT’ ,thecontrollerautomaticallyswitchesONthecirculationpump(for
exampleP1orX3)toprotectthesystem.

SeeAppendix“ParameterIDoverview”

OFF:

Value:

Nofrostprotection.
CirculationpumpisONwhentheoutdoortemperature

isbelowthesetvalue.

1x052

Thissettingmustbeconsideredifthiscontrollerisaslave.

1x077

Undernormalconditions,yoursystemisnotfrostprotectedifyour
settingisbelow0°CorOFF.

Forwater-basedsystems,asettingof2°Cisrecommended.

Iftheoutdoortemperaturesensorisnotconnectedandthefactory
settinghasnotbeenchangedto'OFF' ,thecirculationpumpisalways
ON.

MENU>Settings>Application

PheatT(heatdemand)

Whenthedesiredflowtemperatureisabovethesettemperaturein‘PheatT’ ,
thecontrollerautomaticallyswitchesONthecirculationpump.

1x078

SeeAppendix“ParameterIDoverview”

Value:

ThecirculationpumpisswitchedONwhenthedesired
flowtemperatureisabovethesetvalue.

MENU>Settings>Application

Frostpr .T(frostprotectiontemp.)

SetthedesiredflowtemperatureattemperaturesensorS3toprotectthe
systemagainstfrost(atheatingcut-out,totalstopetc.).
WhenthetemperatureatS3getslowerthanthesetting,themotorized
controlvalveopensgradually.

1x093

SeeAppendix“ParameterIDoverview”

Thevalveisfullyclosedaslongasthepumpisnotswitchedon.

Thefrostprotectiontemperaturecanalsobesetinyourfavorite
displaywhenthemodeselectorisinfrostprotectionmode.

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Overridemodefunctions:

ThefollowingsettingsdescribethefunctioningeneralfortheECL
Comfort210/296/310series.Theexplainedmodesaretypical
andnotapplicationrelated.Theymightdifferfromtheoverride
modesinyourapplication.

MENU>Settings>Application

Ext.input(externaloverride)

Choosetheinputfor'Ext.input'(externaloverride).Bymeansofaswitch
thecontrollercanbeoverriddento‘Comfort’,'Saving' ,'Frostprotection'or
'Constanttemperature'mode.

1x141

SeeAppendix“ParameterIDoverview”

OFF:

S1...S16:

Noinputshavebeenselectedforexternaloverride.
Inputselectedforexternaloverride.

IfS1...S6ischosenasoverrideinput,theoverrideswitchmusthave
gold-platedcontacts.
IfS7...S16ischosenasoverrideinput,theoverrideswitchcanbea
standardcontact.

Seethedrawingsforconnectionexamplesofoverrideswitchand
overriderelaytoinputS8.

S7...S16arerecommendedforoverrideswitch.

Example:Connectionofanoverrideswitch

Example:Connectionofanoverriderelay

IfECA32ismounted,alsoS11...S16canbeused.

IfECA35ismounted,alsoS11orS12canbeused.

Chooseonlyanunusedinputforoverride.Ifanalreadyusedinputis
appliedforoverride,thefunctionalityofthisinputisalsoneglected.

Seealso‘Ext.mode’.

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MENU>Settings>Application

Ext.mode(externaloverridemode)

ThemodeoverridecanbeactivatedforSaving,Comfort,Frostpr.or
ConstantTmode.
Foroverride,thecontrollermodemustbeinscheduledmode.

SeeAppendix“ParameterIDoverview”

Chooseanoverridemode:

SAVING:

Thecircuitinquestionisinsavingmodewhenthe
overrideswitchisclosed.

COMFORT:

Thecircuitinquestionisincomfortmodewhenthe
overrideswitchisclosed.

FROSTPR.:

TheheatingorDHWcircuitcloses,butisstillfrost
protected.

CONSTANTT:

Thecircuitinquestioncontrolsaconstant
temperature*)

*)

Seealso'DesiredT'(1x004),settingofdesiredflow
temperature(MENU>Settings>Flowtemperature)
Seealso'Con.T,ret.Tlim. '(1x028),settingofreturn
temperaturelimitation(MENU>Settings>Return
limit)

Theprocessdiagramsshowthefunctionality.

1x142

Seealso‘Ext.input’.

Example:OverridetoComfortmode

#1#=Overrideswitch(notactivated/activated)
#2#=Functionmode(Schedule/Comfort)
#3#=Time

Example:OverridetoSavingmode

#1#=Overrideswitch(notactivated/activated)
#2#=Functionmode(Schedule/Saving)
#3#=Time

Theresultofoverrideto'Saving'modedependsonthesettingin
'Totalstop'.

Totalstop=OFF:Heatingreduced
Totalstop=ON:Heatingstopped

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Example:OverridetoFrostprotectionmode

#1#=Overrideswitch(notactivated/activated)
#2#=Functionmode(Schedule/Frostpr.)
#3#=Time

Example:OverridetoConstanttemperaturemode

MENU>Settings>Application

Min.act.time(min.activationtimegearmotor)

Themin.pulseperiodof20ms(milliseconds)foractivationofthegear
motor.

SeeAppendix“ParameterIDoverview”

#1#=Overrideswitch(notactivated/activated)
#2#=Functionmode(Schedule/Const.T)
#3#=Time

The"Const.T"valuecanbeinfluencedby:

•temp.max.

•temp.min.

•roomtemp.limit

•returntemp.limit

•flow/powerlimit

SettingexampleValuex20ms

1x189

240ms
10200ms
501000ms

Thesettingshouldbekeptashighasacceptabletoincreasethe
lifetimeoftheactuator(gearmotor).

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5.10Alarm

Thesection"Alarm"describesspecificapplicationrelatedissues.
ApplicationA231offerstwotypesofalarms:

Type:

1

1

2

2

Thealarmfunctionsactivatethealarmbellsymbol.
ThealarmfunctionsactivateA1(Relay4).

Thealarmrelaycanactivatealamp,ahorn,aninputtoanalarm
transmittingdeviceetc.

Thealarmsymbol/relayisactivated:

•(type1)aslongasthealarmreasonispresent(automaticreset).

•(type2)evenifthealarmreasondisappearsagain(manual
reset).

Alarmtype1:

•Iftheflowtemperaturedeviatesmorethanthesetdifferences
fromthedesiredflowtemperature,thealarmsymbol/relay
willbeactivated.

Iftheflowtemperaturebecomesacceptable,thealarmsymbol/
relaywillbede-activated.

Description:

Actualflowtemperaturediffersfromthedesired
flowtemperature

A331.1,A331.2:
TheuniversalalarminputS9isactivated

Anactivatedcirculationpumpdoesnotgenerate
apressuredifference

Therefillwaterfunctiondoesnotgeneratea
pressurewithinsettime

•IftheuniversalalarminputS9isactivated.

IftheuniversalalarminputS9isde-activated,thealarmsymbol/
relaywillbede-activated.

Alarmtype2:

•IfpumpdifferentialpressureS7isnotregistered,thealarm
symbol/relaywillbeactivated.Furthermore,thecontrolvalve
willclose.

Thisalarmmustbemanuallyreset.

•IfRefillwaterfunctionhasnotgeneratedacceptablepressure,
thealarmsymbol/relaywillbeactivated.

Thisalarmmustbemanuallyreset.

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

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5.10.1Temp.monitor.

MENU>Settings>Alarm

Upperdifference

Thealarmisactivatediftheactualflowtemperatureincreasesmorethan
thesetdifference(acceptabletemperaturedifferenceabovethedesired
flowtemperature).Seealso'Delay' .

SeeAppendix“ParameterIDoverview”

1x147

Upperdifference

OFF:

Value:

Therelatedalarmfunctionisnotactive.
Thealarmfunctionisactiveiftheactualtemperature

getsabovetheacceptabledifference.

MENU>Settings>Alarm

Lowerdifference

Thealarmisactivatediftheactualflowtemperaturedecreasesmorethan
thesetdifference(acceptabletemperaturedifferencebelowthedesired
flowtemperature).Seealso'Delay' .

SeeAppendix“ParameterIDoverview”

OFF:

Value:

Therelatedalarmfunctionisnotactive.
Thealarmfunctionisactiveiftheactualtemperature

getsbelowtheacceptabledifference.

=

X
Y
#1#
#2#

1x148

Lowerdifference

Time

=

Temperature

=

Upperdifference

=

Desiredflowtemperature

=

X
Y
#1#
#2#

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Time

=

Temperature

=

Lowerdifference

=

Desiredflowtemperature

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MENU>Settings>Alarm

Delay,example

Ifanalarmconditionfromeither'Upperdifference'or'Lowerdifference'is
presentforalongertimethanthesetdelay(inminutes),thealarmfunction
isactivated.

SeeAppendix“ParameterIDoverview”

1x149

Delay,example

Value:

Thealarmfunctionwillbeactivatedifthealarm
conditionremainsafterthesetdelay.

MENU>Settings>Alarm

Lowesttemp.

Thealarmfunctionwillnotbeactivatedifthedesiredflowtemperature
islowerthanthesetvalue.

SeeAppendix“ParameterIDoverview”

5.10.2Clearalarm

=

X
Y
#1#
#2#
#3#
#4#

1x150

Ifthecauseofthealarmdisappears,thealarmindicationandoutput
alsodisappear.

Time

=

Temperature

=

Lowerdifference

=

Desiredflowtemperature

=

Actualflowtemperature

=

Delay(ID1x149)

Clearalarm

Ifanalarmhasbeengenerated,abellisshowninoneof
thefavoritedisplay(see‘Monitoringtemperaturesandsystem
components’)orinanoverviewdisplay(see‘Understandingthe
controllerdisplay’).Thefollowingmenusareusedtolocatethe
alarmcauseandreset(clear)thealarmsignal.Evenwhenthecause
ofthealarmhasdisappeared,theindicationwillstillbeactiveuntil
theclearalarmprocedurehasbeencarriedout.

MENU>Settings>Alarm

Circ.pumps

Choosewhetherthealarmshouldbeclearedornot.

1x315

SeeAppendix“ParameterIDoverview”

OFF:

ON:

Thealarmhasnotbeenactivated.
Thealarmhasbeenactivated.

Clearalarmprocedure:

Ifthestatusis‘ON’:Change‘ON’to‘OFF’ .

Ifthestatusis‘OFF’:Itisnotpossibletochangeitto‘ON’ .

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MENU>Settings>Alarm

Refillwater

Choosewhetherthealarmshouldbeclearedornot.

SeeAppendix“ParameterIDoverview”

OFF:

ON:

Thealarmhasnotbeenactivated.
Thealarmhasbeenactivated.

Clearalarmprocedure:

Ifthestatusis‘ON’:Change‘ON’to‘OFF’ .

Ifthestatusis‘OFF’:Itisnotpossibletochangeitto‘ON’ .

1x324

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5.11Alarmoverview

Alarmoverview,list:

Alarmno.:

1

8

9

10

Tofindthereasonforanalarm:

•selectMENU

•select‘Alarm’

•select‘Alarmoverview’ .A"bell"(
inquestion.

Alarmoverview(example):
8:Temp.monitor
9:Pump1

Thenumbersinthe'Alarmoverview'refertothealarmnumber
intheModbuscommunication.

Thealarmhasbeenactivatedifthealarmsymbol(abell)(
presenttotherightofthealarmtype.

Toresetanalarm:
Whenthebellsymbolispresenttotherightinthealarmline,place
thecursoratthealarmlineinquestionandpressthedial.

Description:

Refillwater

Temp.monitor

Pump1

Pump2

Alarmtype:

2

1

2

2

)willbeshownatthealarm

Sensorref.:

S8

S3

S7

S7

)is

AlarminputS9(subtypesA331.1,A331.2):

Statusonactivated/de-activatedalarminputcanbeseenhere:
MENU>Commoncontroller>Inputoverview>S9status:

ON:

OFF:

Alarminputisnotactivated

Alarminputisactivated

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6.0Commoncontrollersettings

6.1Introductionto‘Commoncontrollersettings’

Somegeneralsettingswhichapplytotheentirecontrollerare
locatedinaspecificpartofthecontroller.

Toenter‘Commoncontrollersettings’:

Action:Purpose:

Choose‘MENU’inanycircuit

Confirm

Choosethecircuitselectoratthetop
rightcornerinthedisplay

Confirm

Choose‘Commoncontrollersettings’

Confirm

Examples:

Circuitselector

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6.2Time&Date

Itisonlynecessarytosetthecorrectdateandtimeinconnection
withthefirstuseoftheECLComfortcontrollerorafterapower
breakofmorethan72hours.

Thecontrollerhasa24hourclock.

Aut.daylight(Daylightsavingtimechangeover)

YES:

NO:

Thecontroller’sbuilt-inclockautomaticallychanges+/

-onehouronthestandardizeddaysfordaylightsaving
timechangeoverforCentralEurope.

Youchangemanuallybetweensummerandwintertime
bysettingtheclockbackwardorforward.

Howtosettimeanddate:

Action:

Purpose:

Choose‘MENU’

Confirm
Choosethecircuitselectoratthetop

rightcornerinthedisplay

Confirm

Choose'Commoncontrollersettings'

Confirm

Goto‘Time&Date’

Confirm
Placethecursoratthepositiontobe

changed

Confirm

Enterthedesiredvalue

Confirm

Movethecursortothenextposition
tobechanged.Continueuntil‘Time&
Date’hasbeenset.

Finallymovethecursorto‘MENU’

Whencontrollersareconnectedasslavesinamaster/slavesystem

Examples:

(viaECL485communicationbus),theywillreceive‘Time&Date’from
themaster.

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Confirm

Movethecursorto‘HOME’

Confirm

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6.3Holiday

ThissectiondescribesthefunctioningeneralfortheECLComfort
210/296/310series.Theshowndisplaysaretypicalandnot
applicationrelated.Theymightdifferfromthedisplaysinyour
application.

Thereisaholidayprogramforeachcircuitandaholidayprogram
forthecommoncontroller.

Eachholidayprogramcontainsoneormoreschedules.Each
schedulecanbesettoastartdateandanenddate.Thesetperiod
startsonthestartdateat00.00andstopsontheenddateat00.00.

SelectablemodesareComfort,Saving,FrostprotectionorComfort
7-23(before7andafter23,themodeisscheduled).

Howtosetyourholidayschedule:

Action:

Purpose:

Examples:

Choose‘MENU’

Confirm
Choosethecircuitselectoratthetop

rightcornerinthedisplay

Confirm
Chooseacircuitor'Commoncontroller

settings'
Heating

DHW
Commoncontrollersettings

Confirm

Goto‘Holiday’

Confirm

Theholidayprograminthe‘Commoncontrollersettings’isvalidfor
allcircuits.Theholidayprogramcanalsobesetindividuallyinthe
heatingorDHWcircuits.

Theenddatemustbeatleastbeonedaylaterthanthestartdate.

Chooseaschedule

Confirm

Confirmchoiceofmodeselector

Choosemode

Comfort

·Comfort7–23

Saving

·Frostprotection

Confirm
Enterthestarttimefirstandthenthe

endtime
Confirm

Goto‘Menu’

Confirm
Choose‘Yes’or‘No’in‘Save’ .Choose

thenextschedule,ifrequired

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Holiday,specificcircuit/CommonController

Whensettingoneholidayprograminspecificcircuitandanother
holidayprograminCommonController,aprioritywillbetaken
intoaccount:

1.Comfort

2.Comfort7-23

3.Saving

4.Frostprotection

Holiday,deletingasetperiod:

•ChoosetheScheduleinquestion

•Changethemodeto"Clock"

•Confirm

Example1:

Circuit1:
Holidaysetto"Saving"

CommonController:
Holidaysetto"Comfort"

Result:
Aslongas"Comfort"isactiveinCommonController,circuit1willbein

"Comfort".

Example2:

Circuit1:
Holidaysetto"Comfort"

CommonController:
Holidaysetto"Saving"

Result:
Aslongas"Comfort"isactiveincircuit1,itwillbein"Comfort".

Example3:

Circuit1:
Holidaysetto"Frostprotection"

TheECA30/31cannotoverridetheholidayscheduleofthe
controllertemporarily.

However,itispossibletomakeuseofthefollowingoptionsfrom
theECA30/31whenthecontrollerisinscheduledmode:

Dayoff

Holiday

Relaxing(extendedcomfortperiod)

Goingout(extendedsavingperiod)

CommonController:
Holidaysetto"Saving"

Result:
Aslongas"Saving"isactiveinCommonController,circuit1willbe

in"Saving".

Energy-savingtrick:
Use'Goingout'(theextendedsavingperiod)forairingpurposes(e.g.
forventilatingtheroomsbymeansoffreshairfromopenwindows).

ConnectionsandsetupproceduresforECA30/31:
Seesection'Miscellaneous'.

Quickguide"ECA30/31tooverridemode":

1.GotoECAMENU

2.Movecursorto"Clock"symbol

3.Selectthe"Clock"symbol

4.Chooseandselectoneof4overridefunctions

5.Belowtheoverridesymbol:Sethoursordate

6.Belowhours/date:Setdesiredroomtemperaturefortheoverride
period

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