Danfoss A237, A337 Operating guide

OperatingGuide

ECLComfort210/296/310,applicationA237/A337

1.0TableofContents

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

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

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

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

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

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

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

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

2.6InsertingtheECLApplicationKey..............................30

2.7Checklist............................................................37

2.8Navigation,ECLApplicationKeyA237/A337................38

3.0Dailyuse.........................................................44

3.1Howtonavigate...................................................44

3.2Understandingthecontrollerdisplay..........................45

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

3.4Monitoringtemperaturesandsystem

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

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

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

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

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

5.0Settings...........................................................57

5.1IntroductiontoSettings..........................................57

5.2Flowtemperature/Inlettemperature.........................58

5.3Roomlimit..........................................................62

5.4Returnlimit.........................................................64

5.5Flow/powerlimit.................................................70

5.6Optimization........................................................75

5.7Controlparameters................................................81

5.8Application.........................................................85

5.9Heatcut-out........................................................96

5.10Tanktemperature..................................................99

5.11Alarm..............................................................104

5.12Alarmoverview..................................................107

5.13Anti-bacteria......................................................108

6.0Commoncontrollersettings............................110

6.1Introductionto‘Commoncontrollersettings’..............110

6.2Time&Date.......................................................111

6.3Holiday............................................................112

6.4Inputoverview...................................................114

6.5Log.................................................................115

6.6Outputoverride..................................................116

6.7Keyfunctions.....................................................117

6.8System.............................................................119

7.0Miscellaneous................................................126

7.1ECA30/31setupprocedures.................................126

7.2Overridefunction................................................134

7.3Severalcontrollersinthesamesystem......................137

7.4Frequentlyaskedquestions....................................140

7.5Definitions........................................................143

7.6Type(ID6001),overview.......................................147

7.7Automatic/manualupdateoffirmware.....................148

7.8ParameterIDoverview..........................................149

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OperatingGuideECLComfort210/296/310,applicationA237/A337

1.1Importantsafetyandproductinformation

1.1.1Importantsafetyandproductinformation

ThisOperatingGuideisassociatedwithECLApplicationKeyA237
(ordercodeno.087H3806).

TheECLApplicationKeyA237contains4subtypes:

•A237.1andA237.2(applicableinECLComfort210,296and310)

•A337.1andA337.2(applicableinECLComfort310)

•A237.1:HeatingandDHWheating

•A237.2:HeatingandDHWcharging

•A337.1:HeatingandDHWheating.Externalsetpointoptional
(0-10V)

•A337.2:HeatingandDHWcharging.Externalsetpointoptional
(0-10V)

TheA237applicationkeyalsocontainsaFloor(Screed)Drying
Program.Seeseparatedocumentation.(InEnglishandGerman
languageonly).

SeetheInstallationGuide(deliveredwiththeapplicationkey)for
applicationexamplesandelectricalconnections.

Thedescribedfunctionsarerealizedin:

•ECLComfort210forbasicsolutions

•ECLComfort296forbasicsolutions,M-busandEthernet
(Internet)communication

•ECLComfort310foradvancedsolutions,M-bus,Modbusand
Ethernet(Internet)communication.

TheApplicationKeyA237complieswithECLComfort210/310
controllersasoffirmwareversion1.11.
TheApplicationKeyA237compliesalsowithECLComfort296
controllersasoffirmwareversion1.58.
Thefirmware(controllersoftware)versionisvisibleatstart-upof
thecontrollerandin‘Commoncontrollersettings’in‘System’ .

UptotwoRemoteControlUnits,ECA30orECA31,canbe
connectedforremotemonitoringandsetting.Thebuilt-inroom
temperaturesensorcanbeutilized.

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

•Temperature,Pt1000(default)

•0-10voltsignals

•Digitalinput

Theset-upofinputtypecanbedonebymeansoftheDanfoss
Software"ECLTool".

Navigation:Danfoss.com>Products&Solutions>DistrictHeating
andCooling>T ools&Software>ECLTool.

TheURLis:

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

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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)

TheB-typeshavenodisplayanddial.TheB-typesareoperatedby
meansoftheRemoteControlunitECA30/31:

•ECA30(087H3200)

•ECA31(087H3201)

BasepartsforECLComfort:

•forECLComfort210,230volt(087H3220)

•forECLComfort296,230volt(087H3240)

•forECLComfort310,230voltand24volt(087H3230)

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

DocumentationforECLPortal:Seehttp://ecl.portal.danfoss.com.

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.

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OperatingGuideECLComfort210/296/310,applicationA237/A337

Thissymbolindicatesthatthisparticularpieceofinformationshould
bereadwithspecialattention.

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"

AsthisOperatingGuidecoversseveralsystemtypes,specialsystem
settingswillbemarkedwithasystemtype.Allsystemtypesareshown
inthechapter:'Identifyingyoursystemtype'.

°C(degreesCelsius)isameasuredtemperaturevaluewhereasK
(Kelvin)oftenisusedfortemperaturedifferences.

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TheIDno.isuniquefortheselectedparameter.

ExampleFirstdigitSeconddigitLastthreedigits

1117411174

-

Circuit1Parameterno.

12174

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

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

1

-

DisposalNote

Thissymbolontheproductindicatesthatitmaynot
bedisposedofashouseholdwaste.

Itmustbehandedovertotheapplicabletake-back
schemefortherecyclingofelectricalandelectronic
equipment.

•Disposeoftheproductthroughchannelsprovided
forthispurpose.

•Complywithalllocalandcurrentlyapplicablelaws
andregulations.

2

Circuit2Parameterno.

174

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2.0Installation

2.1Beforeyoustart

Thetwoapplications,A237.1/A337.1arealmostidentical.
However,A337.1hassomeextrafunctionswhicharedescribed
additionally.

TheapplicationsA237.1/A337.1areveryflexible.Thesearethe
basicprinciples:

Heating(circuit1):

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

Bymeansofaweekschedule,theheatingcircuitcanbein
‘Comfort’or‘Saving’mode.Theweekschedulecanhaveupto3
‘Comfort’periods/day.Avalueforthedesiredroomtemperature
canbesetineachofthemodes.
InSavingmodetheheatingcanbereducedorswitchedofftotally.

ThemotorizedcontrolvalveM1isopenedgraduallywhenthe
flowtemperatureislowerthanthedesiredflowtemperatureand
viceversa.

ThereturntemperatureS5canbelimited,forexamplenottobe
toohigh.Ifso,thedesiredflowtemperatureatS3canbeadjusted
(typicallytoalowervalue),thusresultinginagradualclosingof
themotorizedcontrolvalve.Furthermore,thereturntemperature
limitationcanbedependentontheoutdoortemperature.
Typically,thelowertheoutdoortemperature,thehigherthe
acceptedreturntemperature.Inboiler-basedheatingsupplythe
returntemperatureshouldnotbetoolow(sameadjustment
procedureasabove).

Ifthemeasuredroomtemperature(directlyconnectedtemperature
sensorESM-10(S2)orRemotecontrolunitECA30/31)doesnot
equalthedesiredroomtemperature,thedesiredflowtemperature
canbeadjusted.

ThecirculationpumpP1isONatheatdemandoratfrost
protection.ThecirculationpumpP1canbeswitchedOFFwhen
heatingtheDHW.Ifthesystemhasachangeovervalve(P2/M2)
betweentheheatingandDHWcircuit,thecirculationpumpP1
isONwhenheatingtheDHW.

TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis
higherthanaselectablevalue.

TypicalA237.1/A337.1application:

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL210/296/
310

S1

S2Roomtemperaturesensor

S3

S5Returntemperaturesensor,circuit1

S6

S7

S8

P1

P2DHWpump,circuit2

P3

M1

A1

ElectroniccontrollerECLComfort210,296or310

Outdoortemperaturesensor

Flowtemperaturesensor,circuit1

DHWtanktemperaturesensor,upper

Flow/energymeter(pulsesignal)

DHWtanktemperaturesensor,lower

Circulationpump,heating,circuit1

DHWcirculationpump,circuit2

Motorizedcontrolvalve(3-pointcontrolled).
Alternative:Thermoactuator(DanfosstypeABV)

Alarm

Aconnectedfloworenergymeterbasedonpulses(S7)canlimit
thefloworenergytoasetmaximumvalue.Furthermore,the
limitationcanbeinrelationtotheoutdoortemperature.
Typically,thelowertheoutdoortemperature,thehigherthe
acceptedflow/power.

Thefrostprotectionmodemaintainsaselectableflowtemperature
value,forexample10°C.

Analarmcanbeactivatediftheactualflowtemperaturediffers
fromthedesiredflowtemperature.

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A237.1,ex.a,A337.1,ex.a

DuringDHWheating,thecirculationpumpP1intheheatingcircuit
can:

•beswitchedOFF(DHWprioritymode)

or

•remainON,aslongastheheatingtemperatureatS3doesnot
differmorethanasetvaluefromthedesiredtemperature
(dependentparallelmode)

or

•becontinuouslyON.Thismeanssametemperatureinthe
heatingcircuitastheDHWheatingtemperature(parallel
mode).

A237.1usedinECL296/310

Theflow/powersignalcancomeasapulsesignaloranM-bus
signal.

A337.1

Thedesiredflowtemperatureoftheheatingcircuitcan,viaS10,be
controlledbymeansofanexternalvoltageintherange0-10volt.

ModbuscommunicationtoaSCADAsystemcanbeestablished.

AconnectedfloworenergymeterbasedonM-bussignalcan
limitthefloworpowertoasetmaximumvalue.Furthermore,the
limitationcanbeinrelationtotheoutdoortemperature.
Typically,thelowertheoutdoortemperature,thehigherthe
acceptedflow/power.
M-busdatacanbetransferredtotheModbuscommunication.

Heatingingeneral

Exerciseofcirculationpumpsandcontrolvalveinperiodswithout
heatingdemandcanbearranged.

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OperatingGuideECLComfort210/296/310,applicationA237/A337

DHW(circuit2):

Bymeansofaweekschedule,theDHWcircuitcanbein‘Comfort’
or‘Saving’mode.Theweekschedulecanhaveupto3‘Comfort’
periods/day.AvalueforthedesiredDHWtemperaturecanbe
setineachofthemodes.

DHWheatingstart,DHWtankwith1or2temperaturesensors

WhenthemeasuredDHWtemperatureS6getslowerthanthestart
temperature,theheatingcirculationpumpP1isswitchedOFFand
theDHWheatingpumpP2isswitchedON.
ThemotorizedcontrolvalveM1iscontrolledinordertomaintain
theheatingtemperatureatS3.
AdelayedstartoftheDHWheatingpumpcanbearranged.Inthis
case,S3mustbeplacedintheheat-exchanger.
TheDHWheatingtemperatureisdeterminedbythedesiredDHW
temperatureatS6plusthesetchargingdifference.Thecharging
temperatureistypically5-10degreeshigherthanthedesired
DHWtemperature.

ThereturntemperatureS5,whentheDHWheating/chargingis
active,canbelimitedtoasetvalue.

Chargingstop,DHWtankwith1temperaturesensor

WhenthemeasuredDHWtemperatureS6getshigherthanthe
charging-stoptemperature,theDHWheatingpumpP2isswitched
OFF.Apost-runtimecanbeset.

Chargingstop,DHWtankwith2temperaturesensors

A237.1/A337.1examplea:

A237.1/A337.1exampleb:

A237.1/A337.1examplec:

WhenthemeasuredDHWtemperatureS6gets2Khigherthanthe
heating-starttemperatureANDthelowertanktemperatureS8gets
higherthantheheating-stoptemperature,theDHWheatingpump
P2isswitchedOFF.Apost-runtimecanbeset.

Iftheinstallationhasachangeovervalve(P2/M2),alsocalled
priority-valve,betweentheheatingandtheDHWcircuits,the
changeovervalveisactivatedatDHWheatingdemand.The
circulationpump(P1)isONwhenheatingtheDHW.

Parallelmodeintwo-pumpapplications:
Ifthechargingtemperaturehasavalueclosetothedesiredflow
temperatureintheheatingcircuit,thecirculationpump(P1)inthe
heatingcircuitwillnotbeswitchedOFFduringDHWheating.

Ananti-bacteriafunctionisavailableforactivationonselected
daysoftheweek.

TheDHWcircuitcanbeconnectedprimarilyandthevalve‘P2/
M2’operatesasON/OFFvalve.

TheDHWcirculationpump(P3)hasaweekscheduleforupto3
ON-periods/day.

TheDHWcirculationpumpP3canbeswitchedOFFduringDHW
heating/charging.

A237.1/A337.1exampled:

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OperatingGuideECLComfort210/296/310,applicationA237/A337

ApplicationA237.1andA337.1,ingeneral

Unusedinputcan,bymeansofanoverrideswitch,beusedto
overridethescheduletoafixed'Comfort'or'Saving'mode.

ModbuscommunicationtoaSCADAsystemcanbeestablished.
InECLComfort296/310theM-busdatacanfurthermorebe
transferredtotheModbuscommunication.

Thetwoapplications,A237.2/A337.2arealmostidentical.
However,A337.2hassomeextrafunctionswhicharedescribed
additionally.

TheapplicationsA237.2/A337.2areveryflexible.Thesearethe
basicprinciples:

Heating(circuit1):

Theheatingcircuitworksasdescribedpreviously.

A237.2,ex.a,A337.2,ex.a

DuringDHWheating,thecirculationpumpP1intheheatingcircuit
can:

•beswitchedOFF(DHWprioritymode)

or

•remainON,aslongastheheatingtemperatureatS3doesnot
differmorethanasetvaluefromthedesiredtemperature
(dependentparallelmode)

or

•becontinuouslyON.Thismeanssametemperatureinthe
heatingcircuitastheDHWheatingtemperature(parallel
mode).

A237.2usedinECL296

Theflow/powersignalcancomeasapulsesignaloranM-bus
signal.

A337.2

Thedesiredflowtemperatureoftheheatingcircuitcan,viaS10,be
controlledbymeansofanexternalvoltageintherange0-10volt.

TypicalA237.2/A337.2application:

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL210/296/

ElectroniccontrollerECLComfort210,296or310

310
S1

Outdoortemperaturesensor

S2Roomtemperaturesensor

S3

Flowtemperaturesensor,circuit1

S5Returntemperaturesensor,circuit1

S6

S7

S8

P1

DHWtanktemperaturesensor,upper

Flow/energymeter(pulsesignal)

DHWtanktemperaturesensor,lower

Circulationpump,heating,circuit1

P2DHWpump,circuit2

P3

P4

M1

DHWcirculationpump,circuit2

DHWchargingpump,circuit2

Motorizedcontrolvalve(3-pointcontrolled).
Alternative:Thermoactuator(DanfosstypeABV).

A1

Alarm(A337.2only)

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OperatingGuideECLComfort210/296/310,applicationA237/A337

DHW(circuit2):

Bymeansofaweekschedule,theDHWcircuitcanbein‘Comfort’
or‘Saving’mode.Theweekschedulecanhaveupto3‘Comfort’
periods/day.AvalueforthedesiredDHWtemperature
canbesetineachofthemodes.

DHWchargingstart,DHWtankwith1or2temperaturesensors

WhenthemeasuredDHWtemperatureS6getslowerthanthe
charging-starttemperature,theheatingcirculationpumpP1is
switchedOFFandtheDHWheatingpumpP2isswitchedON.

AdelayedstartoftheDHWchargingpumpP4canbearranged.
Also,itcanbearrangedthatthestartofthechargingpump
dependsontheDHWheatingtemperature.Inthiscase,S4mustbe
placedintheheat-exchanger.

TheDHWheatingtemperatureisdeterminedbythedesiredDHW
temperatureatS6plusthesetchargingdifference.Thecharging
temperatureistypically5-10degreeshigherthanthedesired
DHWtemperature.

ThereturntemperatureS5,whentheDHWheating/chargingis
active,canbelimitedtoasetvalue.

TheDHWheatingtemperatureatS3isadaptedtothedesiredDHW
chargingtemperatureatS4.IftheDHWchargingtemperatureat
S4cannotbereached,theECLcontrollergraduallyincreasesthe
desiredDHWheatingtemperatureatS3inordertoobtaintheDHW
chargingtemperature.TheECLcontrollerrememberstheadapted
S3temperature.Amaximumtemperaturevaluecanbeset.

A237.2/A337.2examplea:

A237.2/A337.2exampleb:

ThemotorizedcontrolvalveM1iscontrolledinordertomaintain
thechargingtemperatureatS4.

DHWchargingstop,DHWtankwith1temperaturesensor

WhenthemeasuredDHWtemperatureS6getshigherthan
thecharging-stoptemperature,theDHWchargingpumpP4is
switchedOFF.Apost-runtimecanbeset.

Chargingstop,DHWtankwith2temperaturesensors

WhenthemeasuredDHWtemperatureS6gets2Khigherthan
thecharging-starttemperatureANDthelowertanktemperature
S8getshigherthanthecharging-stoptemperature,theDHW
chargingpumpP4isswitchedOFF.Apost-runtimecanbeset.

Iftheinstallationhasachangeovervalve(P2/M2),alsocalled
priority-valve,betweentheheatingandtheDHWcircuits,the
changeovervalveisactivatedatDHWheatingdemand.The
circulationpump(P1)isONwhenheatingtheDHW.

Parallelmodeintwo-pumpapplications:
Ifthechargingtemperaturehasavalueclosetothedesiredflow
temperatureintheheatingcircuit,thecirculationpump(P1)inthe
heatingcircuitwillnotbeswitchedOFFduringDHWheating.

Ananti-bacteriafunctionisavailableforactivationonselected
daysoftheweek.

TheDHWcirculationpump(P3)hasaweekscheduleforupto3
ON-periodsperday.

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ApplicationA237.2andA337.2,ingeneral:

Unusedinputcan,bymeansofanoverrideswitch,beusedto
overridethescheduletoafixed'Comfort'or'Saving'mode.

ModbuscommunicationtoaSCADAsystemcanbeestablished.In
ECLComfort310theM-busdatacanfurthermorebetransferred
totheModbuscommunication.

A237,ingeneral

Flow/energylimitation.

ECLComfort210:
ThesubtypesA237.1andA237.2canutilizetheflow/powersignal
comingasapulsesignal.

ECLComfort296:
ThesubtypesA237.1andA237.2canutilizetheflow/powersignal
comingasapulsesignaloranM-bussignal.

ECLComfort310:
ThesubtypesA337.1andA337.2canutilizetheflow/powersignal
comingasanM-bussignal.

Alarm

A237.1:
AlarmA1(=relay4)canbeactivated:

•iftheactualflowtemperaturediffersfromthedesiredflow
temperature

•ifatemperaturesensororitsconnectiondisconnects/short
circuits.(See:Commoncontrollersettings>System>Raw
inputoverview)

A237.2:
Noalarmfunctionpresent

A337.1,A337.2:
AlarmA1(=relay6)canbeactivated:

•iftheactualflowtemperaturediffersfromthedesiredflow
temperature

•ifatemperaturesensororitsconnectiondisconnects/short
circuits.(See:Commoncontrollersettings>System>Raw
inputoverview)

Inputconfiguration

Inputs(asfromS7andup)whicharenotpartoftheapplication
canbeconfiguredtobePt1000,0-10VoltorDigitalinput.This
featuremakesitpossibletocommunicateextrasignals,suchas
temperatures,pressures,ON/OFFconditions,viaModbusand
ECLPortal.
TheconfigurationisdonebymeansoftheECLTool(freesoftware
fordownload)ordirectlyinadedicatedmenuintheECLPortal.

Dependingonsystemtype,itisrecommendedtochangesome
factorysettingsindividuallyinordertooptimizethefunctionality.
Thesesettingchanges,ifrequired,arelistedbelowthesystem
typesinthesection'Identifyingthesystemtype'.

WhentheA237hasbeenuploadedtheECLComfortcontroller
startsinManualmode.Thiscanbeusedforcheckingthecontrolled
componentsforcorrectfunctionality.

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Thecontrollerispre-programmedwithfactorysettingsthatareshown
inthe‘ParameterIDoverview’appendix.

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2.2Identifyingthesystemtype

Sketchyourapplication

TheECLComfortcontrollerseriesisdesignedforawiderange
ofheating,domestichot-water(DHW)andcoolingsystemswith
differentconfigurationsandcapacities.Ifyoursystemdiffers
fromthediagramsshownhere,youmaywanttomakeasketch
ofthesystemabouttobeinstalled.Thismakesiteasiertouse
theOperatingGuide,whichwillguideyoustep-by-stepfrom
installationtofinaladjustmentsbeforetheend-usertakesover.

TheECLComfortcontrollerisauniversalcontrollerthatcanbe
usedforvarioussystems.Basedontheshownstandardsystems,
itispossibletoconfigureadditionalsystems.Inthischapteryou
findthemostfrequentlyusedsystems.Ifyoursystemisnotquite
asshownbelow,findthediagramwhichhasthebestresemblance
withyoursystemandmakeyourowncombinations.

SeetheInstallationGuide(deliveredwiththeapplicationkey)for
applicationtypes/sub-types.

Thecirculationpump(s)inheatingcircuit(s)canbeplacedintheflow
aswellasthereturn.Placethepumpaccordingtothemanufacturer’s
specification.

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Adviceforsettings:

Factorysettingsinthesubtypeswillrunthemostapplication
examples.Someoftheapplicationexamplesneedchangeof
dedicatedsettings.

Seethedocumentationforapplicationsandsubtypes,delivered
withtheapplicationkey.

A237.1,ex.a
A337.1,ex.a

Twopumpsystem:

Issue:

DHWcircuit(2):

Pump

A237.1,ex.b
A337.1,ex.b

OnepumpandChange-overvalvesystem:

Issue:

DHWcircuit(2):

Change-overvalve

A237.1,ex.c
A237.1,ex.d
A337.1,ex.c
A337.1,ex.d

DHWheatingconnectedprimarily:

Issue:

DHWcircuit(2):

Change-overvalve

DHWcircuit(2):

Tankprimarily

Navigation:

MENU\Settings\Application:
'Ch.-o.valve/P'

Navigation:

MENU\Settings\Application:
'Ch.-o.valve/P'

Navigation:

MENU\Settings\Application:
'Ch.-o.valve/P'

MENU\Settings\Application:
'Tank,sec./prim'

IDno.:

12051

IDno.:

12051

IDno.:

12051

12053

Recommended
setting:

ON

Recommended
setting:

OFF

Recommended
setting:

OFF

ON

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Adviceforsettings:

A237.2,ex.a
A337.2,ex.a

Twopumpsystem:

Issue:

DHWcircuit(2):

Pump

A237.2,ex.b
A337.2,ex.b

OnepumpandChange-overvalvesystem:

Issue:

DHWcircuit(2):

Pump

Navigation:

MENU\Settings\Application:
'Ch.-o.valve/P'

Navigation:

MENU\Settings\Application:
'Ch.-o.valve/P'

IDno.:

12051

IDno.:

12051

Recommended
setting:

ON

Recommended
setting:

OFF

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2.3Mounting

2.3.1MountingtheECLComfortcontroller

SeetheInstallationGuidewhichisdeliveredtogetherwiththe
ECLComfortcontroller.

Foreasyaccess,youshouldmounttheECLComfortcontrollernear
thesystem.

ECLComfort210/296/310canbemounted

•onawall

•onaDINrail(35mm)

ECLComfort296canbemounted

•inapanelcut-out

ECLComfort210canbemountedinanECLComfort310basepart
(forfutureupgrade).

Screws,PGcableglandsandrawlplugsarenotsupplied.

LockingtheECLComfort210/310controller

InordertofastentheECLComfortcontrollertoitsbasepart,secure
thecontrollerwiththelockingpin.

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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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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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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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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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2.5.2Electricalconnections,Pt1000temperaturesensors

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)
forapplicationspecificconnections.

Sensor

S1

Description

Outdoortemperature
sensor*

S2
S3

S4

Roomtemperaturesensor**

Flowtemperaturesensor***

A237.2/A337.2:
DHWchargingtemperature
sensor

S5Returntemperaturesensor

S6

DHWtanktemperature
sensor,upper****

S7

A237.1,A237.2:
Flow/energymeter(pulse
signal)

S8

DHWtanktemperature
sensor,lower

S9

ECL310only:
Notused

S10

ECL310only:
A337.1,A337.2
Voltagesignal(0-10V)for
externalcontrolofdesired
flowtemperature

Recommended
type

ESMT

ESM-10

ESM-11/ESMB/
ESMC/ESMU

ESM-11/ESMB/
ESMC/ESMU

ESM-11/ESMB/
ESMC/ESMU

ESMB/
ESMU

ESMB/
ESMU

*

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

**

Onlyforroomtemperaturesensorconnection.Theroom
temperaturesignalcanalternativelybeavailablefroma
RemoteControlUnit(ECA30/31).See'Electricalconnections,
ECA30/31'.

***

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

****

Thissensorisusedifonlyonetanktemperaturesensoris
required.

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

communicationbus).
Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).

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A337.1/A337.2:

Connectionofvoltagesignal(0–10V)forexternalcontrolof
desiredflowtemperature

Connectionofflow/energymeterwithpulsesignal

SeetheInstallationGuide(deliveredwiththeapplicationkey).

Theoutputoftheflow/energymetercanbeequippedwithan
externalpull-upresistorifaninternalpull-upresistorisnotpresent.

Connectionofswitchforexternaloverride

Pulsebasedsignalforflow/power ,appliedtoinputS7

Formonitoring:
Frequencyrangeis0.01-200Hz

Forlimitation:
Minimumfrequencyisrecommendedtobe1Hzinordertohavea

stablecontrol.Furthermore,thepulsesmustappearregularly.

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

communicationbus).
Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).

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2.5.3Electricalconnections,ECA30/31

Terminal
ECL

Terminal
ECA30/31

30
31

4

1
322
333

4

5

*

Afteranexternalroomtemperaturesensorhasbeenconnected,

Description

Twistedpair

Twistedpair

Ext.roomtemperature
sensor*

Type
(recomm.)

Cable2x
twistedpair

ESM-10

ECA30/31mustberepowered.

ThecommunicationtotheECA30/31mustbesetupintheECL
Comfortcontrollerin'ECAaddr.'

TheECA30/31mustbesetupaccordingly.

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

Iftheactualapplicationcontainstwoheatingcircuits,itispossible
toconnectanECA30/31toeachcircuit.Theelectricalconnections
aredoneinparallel.

Max.2ECA30/31canbeconnectedtoanECLComfort310controller
ortoECLComfort210/296/310controllersinamaster-slavesystem.

SetupproceduresforECA30/31:Seesection‘Miscellaneous’ .

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

software(firmware)ofyourECLComfortcontroller.Pleasecontact
yourDanfosssalesoffice.

Someapplicationsdonotcontainfunctionsrelatedtoactualroom
temperature.TheconnectedECA30/31willonlyfunctionasremote
control.

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

Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).

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2.5.4Electricalconnections,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

2.5.5Electricalconnections,communication

Electricalconnections,Modbus

ECLComfort210:Non-galvanicisolatedModbusconnections
ECLComfort296:GalvanicisolatedModbusconnections
ECLComfort310:GalvanicisolatedModbusconnections

MaximumrecommendedlengthoftheECL485bus:
200-81m=119m

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2.5.6Electricalconnections,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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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.

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(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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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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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).

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2.8Navigation,ECLApplicationKeyA237/A337

Navigation,applicationA237.1/A337.1(*A237.1only,**A337.1only)

Home

IDno.

MENU
ScheduleSelectableSelectable
Schedulecirc.PSelectable
Settings

Flowtemperature(circuit1)
Tanktemperature(circuit2)

Roomlimit

Returnlimit

Flow/powerlimitActualActual

Optimization

Controlpar.

11178
11177
11004

11182
11183
11015
11031
11032
11033
11034
11035
11036
11037
11085
11028

11119
11117
11118
11116
11112
11113
11109
11115
11114
11011
11012
11013
11014
11026
11020
11021
11179
11043
11174
11184
11185
11186
11187
11189
11024

Heating,circuit1DHW,circuit2

Function

Heatcurve12193Chargedifference
Temp.max.

Temp.min.
DesiredT
Ext.desiredT**
Infl.—max.
Infl.—min.
Adapt.time
HighToutX1
LowlimitY1
LowToutX2
HighlimitY2
Infl.-max.
Infl.-min.
Adapt.time
Priority
Con.T,ret.Tlim.

Actuallimit
HighToutX1
LowlimitY1
LowToutX2
HighlimitY2
Adapt.time
Filterconstant
Inputtype
Units
Pulse*
Autosaving
Boost
Ramp
Optimizer
Pre-stop
Basedon
Totalstop
Summer,cut-out
Paralleloperation
Motorpr.
Xp
Tn
Mrun
Nz
Min.act.time
Actuator

IDno.

12195
12194
12152

12030

12111

Function

Startdifference
Stopdifference
Max.chargeT

Limit

Limit

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Navigation,applicationA237.1/A337.1,continued(*A337.1only)

Home

IDno.

MENU

Settings

HolidaySelectableSelectable

Alarm

Influenceoverview

Application

Heatcut-out

Anti-bacteriaSelectable

Temp.monitor.

AlarmoverviewSelectable
Des.flowT(circuit1)

Des.DHWT(circuit2)

11010

11017
11050
11500
11022
11023
11052
11077
11078
11040
11093
11141
11142
11393
11392
11179
11395
11397
11396
11398
11399

11147

11148
11149

11150

Heating,circuit1DHW,circuit2

Function

ECAaddr.

Demandoffset
Pdemand
SenddesiredT
Pexercise
Mexercise
DHWpriority
PfrostT
PheatT
Ppost-run
Frostpr.T
Ext.input
Ext.mode
Sum.start,day
Sum.start,month
Summer,cut-out
Summer,filter
Winterstart,day
Winterstart,month
Winter,cut-out
Winter,filter

Upperdifference

Lowerdifference
Delay
Lowesttemp.

Returnlim.Holiday
Roomlim.Ext.override

Flow/powerlim.Anti-bacteria
HolidaySCADAoverride
Ext.override
ECAoverride
Boost
Ramp
Slave,demand
Heatingcut-out
DHWpriority
DHWinfluence
SCADAoffset
Ext.desiredT*

IDno.

12051

12053
12055
12044
12045
12041
12059
12500
12076
12093
12141
12142

Function

Ch.-o.valve/P

Tank,sec./prim.
Circ.Ppriority
Max.DHWtime
DHWdeact.time
DHWPpost-run
Pchargedelay
SenddesiredT
Circ.PfrostT
Frostpr.T
Ext.input
Ext.mode

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Navigation,applicationA237.1/A337.1,Commoncontrollersettings(*A337.1only)

Home
MENU
Time&Date
HolidaySelectable
Inputoverview

Log(sensors)

Outputoverride

Keyfunctions

SystemECLversion

OutdoorTLogtoday
RoomT&desiredLogyesterday
FlowT&desiredLog2days
ReturnT&limitLog4days
TankTup.&des.
TankTup.&low.

NewapplicationEraseapplication
Application
FactorysettingSystemsettings

Copy

Keyoverview

Extension
Ethernet
Portalconfig
M-busconfig
EnergyMeters
RawinputoverviewS1...S10
Alarm
Display

Communication

Language

IDno.

60058
60059

38

39
2048
2150
2151
2050

Commoncontrollersettings

Function

Selectable

OutdoorT
Outdooracc.T
RoomT
FlowT
ReturnT
TankupperT
TanklowerT
Ext.desiredT*

M1,P1,P2,P3,A1

Usersettings
Gotofactory
To
Systemsettings
Usersettings
Startcopying

Codeno.
Hardware
Software
Buildno.
Serialno.
MAC
Productionweek

Selectable
Selectable

Backlight
Contrast
Modbusaddr.
Baud
ECL485addr.
Servicepin
Ext.reset
Language

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Navigation,applicationA237.2/A337.2(*A237.2only,**A337.2only)

Home

IDno.

ScheduleSelectableSelectable
Schedulecirc.PSelectable
Settings

Flowtemperature(circuit1)
Tanktemperature(circuit2)

Roomlimit

Returnlimit

Flow/powerlimitActualActual

Optimization

Controlpar.

11178
11177
11004

11182
11183
11015
11031
11032
11033
11034
11035
11036
11037
11085
11028

11119
11117
11118
11116
11112
11113
11109
11115
11114
11011
11012
11013
11014
11026
11020
11021
11179
11043
11174
11184
11185
11186
11187
11189
11024

Heating,circuit1DHW,circuit2

Function

Heatcurve12193Chargedifference
Temp.max.

Temp.min.
DesiredT
Ext.desiredT**
Infl.—max.
Infl.—min.
Adapt.time
HighToutX1
LowlimitY1
LowToutX2
HighlimitY2
Infl.-max.
Infl.-min.
Adapt.time
Priority
Con.T,ret.Tlim.

Actuallimit
HighToutX1
LowlimitY1
LowToutX2
HighlimitY2
Adapt.time
Filterconstant
Inputtype
Units
Pulse*
Autosaving
Boost
Ramp
Optimizer
Pre-stop
Basedon
Totalstop
Summer,cut-out
Paralleloperation
Motorpr.
Xp
Tn
Mrun
Nz
Min.act.time
Actuator

IDno.

12195
12194
12152
12068

12030

12111

Function

Startdifference
Stopdifference
Max.chargeT
FlowTadapttime

Limit

Limit

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OperatingGuideECLComfort210/296/310,applicationA237/A337

Navigation,applicationA237.2/A337.2,continued(*A337.2only)

Home

IDno.

MENU

Settings

HolidaySelectableSelectable

Alarm

Influenceoverview

Application

Heatcut-out

Anti-bacteriaSelectable

Temp.monitor.

AlarmoverviewSelectable
Des.flowT(circuit1)

Des.DHWT(circuit2)

11010

11017
11050
11500
11022
11023
11052
11077
11078
11040

11093
11141
11142
11393
11392
11179
11395
11397
11396
11398
11399

11147
11148

11149
11150

Heating,circuit1DHW,circuit2

Function

ECAaddr.

Demandoffset
Pdemand
SenddesiredT
Pexercise
Mexercise
DHWpriority
PfrostT
PheatT
Ppost-run

Frostpr.T
Ext.input
Ext.mode
Sum.start,day
Sum.start,month
Summer,cut-out
Summer,filter
Winterstart,day
Winterstart,month
Winter,cut-out
Winter,filter

Upperdifference
Lowerdifference

Delay
Lowesttemp.

Returnlim.Holiday
Roomlim.Ext.override

Flow/powerlim.Anti-bacteria
HolidaySCADAoverride
Ext.override
ECAoverride
Boost
Ramp
Slave,demand
Heatingcut-out
DHWpriority
DHWinfluence
SCADAoffset
Ext.desiredT*

IDno.

12051

12055
12044
12045
12041
12059
12042
12500
12076
12093

12141
12142

Function

Ch.-o.valve/P

Circ.Ppriority
Max.DHWtime
DHWdeact.time
DHWPpost-run
Pchargedelay
Char.Ppost-run
SenddesiredT
Circ.PfrostT
Frostpr.T

Ext.input
Ext.mode

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Navigation,applicationA237.2/A337.2,Commoncontrollersettings(*A337.2only)

Home
MENU
Time&Date
HolidaySelectable
Inputoverview

Log(sensors)

Outputoverride

Keyfunctions

SystemECLversion

OutdoorTLogtoday
RoomT&desiredLogyesterday
FlowT&desiredLog2days
ReturnT&limitLog4days
TankTup.&des.
TankTup.&low.
ChargeT

NewapplicationEraseapplication
Application
FactorysettingSystemsettings

Copy

Keyoverview

Extension
Ethernet
Portalconfig
M-busconfig
EnergyMeters
RawinputoverviewS1...S10
Alarm
Display

Communication

Language

IDno.

60058
60059

38

39
2048
2150
2151
2050

Commoncontrollersettings

Function

Selectable

OutdoorT
Outdooracc.T
RoomT
FlowT
ChargeT
ReturnT
TankupperT
TanklowerT
Ext.desiredT*

M1,P1,P2,P3,P4,A1*

Usersettings
Gotofactory
To
Systemsettings
Usersettings
Startcopying

Codeno.
Hardware
Software
Buildno.
Serialno.
MAC
Productionweek

Selectable
Selectable

Backlight
Contrast
Modbusaddr.
Baud
ECL485addr.
Servicepin
Ext.reset
Language

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OperatingGuideECLComfort210/296/310,applicationA237/A337

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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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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Thesettingofthedesiredroomtemperatureisimportantevenifa
roomtemperaturesensor/RemoteControlUnitisnotconnected.

Ifthetemperaturevalueisdisplayedas

"--"

thesensorinquestionisnotconnected.

"---"

thesensorconnectionisshort-circuited.

DHWcircuit

Overviewdisplay1informsabout:
actualDHWtemperature,controllermode,desiredDHW
temperatureaswellasthecomfortscheduleofthecurrentday.

Overviewdisplay2informsabout:
stateofthecontrolledcomponents,actualDHWtemperature,
(desiredDHWtemperature),controllermode,returntemperature
(limitationvalue),influenceondesiredDHWtemperature.

Dependentonchosendisplay,theoverviewdisplaysfortheDHW
circuitinformyouabout:

•actualDHWtemperature(50.3)

•controllermode(

)

•desiredDHWtemperature(50°C)

•comfortscheduleofthecurrentday(0-12-24)

•stateofthecontrolledcomponents(M1,P1)

•actualDHWtemperature(50°C),(desiredDHWtemperature(50))

•returntemperature(--°C)(limitationtemperature(30))

Settingthedesiredtemperature

Dependingonthechosencircuitandmode,itispossibletoenter
alldailysettingsdirectlyfromtheoverviewdisplays(seealsothe
nextpageconcerningsymbols).

Overviewdisplay1:Overviewdisplay2:

Exampleofoverviewdisplaywith
Influenceindication:

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Settingthedesiredroomtemperature

Thedesiredroomtemperaturecaneasilybeadjustedinthe
overviewdisplaysfortheheatingcircuit.

Action:Purpose:

Desiredroomtemperature

Confirm

Adjustthedesiredroomtemperature

Confirm

Thisoverviewdisplayinformsaboutoutdoortemperature,actual
roomtemperatureaswellasdesiredroomtemperature.

Thedisplayexampleisforcomfortmode.Ifyouwanttochange
thedesiredroomtemperatureforsavingmode,choosethemode
selectorandselectsaving.

Examples:

20.5

21.0

Thesettingofthedesiredroomtemperatureisimportantevenifa
roomtemperaturesensor/RemoteControlUnitisnotconnected.

SettingthedesiredDHWtemperature

ThedesiredDHWtemperaturecaneasilybeadjustedinthe
overviewdisplaysfortheDHWcircuit.

Action:Purpose:

DesiredDHWtemperature

Confirm

AdjustthedesiredDHWtemperature

Confirm

InadditiontotheinformationaboutdesiredandactualDHW
temperature,thetoday'sscheduleisvisible.

Thedisplayexampleindicatesthatthecontrollerisinscheduled
operationandincomfortmode.

Examples:

50

55

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OperatingGuideECLComfort210/296/310,applicationA237/A337

Settingthedesiredroomtemperature,ECA30/ECA31

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

WiththeECA30/ECA31youcanoverridethedesiredroom
temperaturesetinthecontrollertemporarilybymeansoftheoverride

functions:

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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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3.4Monitoringtemperaturesandsystemcomponents

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

Heatingcircuit

Theoverviewdisplayintheheatingcircuitensuresaquick
overviewoftheactualand(desired)temperaturesaswellasthe
actualstateofthesystemcomponents.

Displayexample:

49°C

(31)

24°C

(50)

DHWcircuit

TheoverviewdisplayintheDHWcircuitensuresaquickoverview
oftheactualand(desired)temperaturesaswellastheactualstate
ofthesystemcomponents.

Displayexample(heatexchanger):

50°C

(50)

(30)

Flowtemperature

Desiredflowtemperature
Returntemperature

Returntemperaturelimitation

Flowtemperature

Desiredflowtemperature

--

Returntemperature:sensornotconnected

Returntemperaturelimitation

Displayexamplewithheatexchanger:

Inputoverview

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

Asthisoverview(seedisplayexample)onlystatesthemeasured
actualtemperatures,itisread-only.

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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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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.

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Whenmanualcontrolisselectedforonecircuit,itisautomatically
selectedforallcircuits!

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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.

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Eachcircuithasitsownschedule.Tochangetoanothercircuit,goto
'Home',turnthedialandchoosethedesiredcircuit.

Thestartandstoptimescanbesetinhalf-hourly(30min.)intervals.

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OperatingGuideECLComfort210/296/310,applicationA237/A337

4.0Settingsoverview

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

SettingIDPage

Heatcurve

Ext.desiredT—(ECLComfort310)

Actual(actualfloworpower)

Extendedheatcut-outsetting

Extendedwintercut-outsetting

Day

Starttime

Duration

DesiredT

DesiredT(Desiredflowtemperature)

ECAaddr.(ECAaddress,choiceofRemoteControlUnit)

Autosaving(savingtemp.dependentonoutdoortemp.)

Boost

Ramp(referenceramping)

Optimizer(optimizingtimeconstant)

Adapt.time(adaptiontime)

Demandoffset

Basedon(optimizationbasedonroom/outdoortemp.)

Totalstop

Pexercise(pumpexercise)

Mexercise(valveexercise)

Actuator

Pre-stop(optimizedstoptime)

Con.T,re.Tlim.(Constanttemperaturemode,return
temperaturelimitation)

Limit(returntemp.limitation)

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)

Ppost-run

DHWPpost-run(DHWpump,post-run)

Char.Ppost-run(DHWchargingpump,post-run)

Paralleloperation

Max.DHWtime

DHWdeact.time(DHWdeactivationtime)

1x00459

1x01085

1x011

1x01276

1x013

1x014

1x01562

1x01785

1x02078

1x02178

1x02286

1x02386

1x02482

1x02679

1x02866

1x03066

1x03167

1x03267

1x03367

1x03467

1x03567

1x03668

1x03768

1x04087

1x04187

1x04287

1x04379

1x04487

1x04588

Factorysettingsincircuit(s)

1

58

60

71

97

97

108

108

109

109

75

77

77

2

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SettingIDPage

Pdemand

Ch.-o.valve/P(changeovervalve/pump)

DHWpriority(closedvalve/normaloperation)

Tank,sec./prim.(Tanksecondarilyorprimarilyconnected)

Circ.Ppriority

Pchargedelay(Chargingpump,delayedstart)

FlowTadapttime(Flowtemperature,adaptationtime)

Circ.PfrostT

PfrostT(circulationpump,frostprotectiontemp.)

PheatT(heatdemand)

Priority(priorityforreturntemp.limitation)

Frostpr.T(frostprotectiontemp.)

Inputtype

Limit(limitationvalue)

Adapt.time(adaptationtime)

Filterconstant

Pulse

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

Lowerdifference

Delay,example

Lowesttemp.

Max.chargeT(maximumheating/chargingtemperature)

Motorpr.(motorprotection)

Temp.min.

Temp.max.

Summer,cut-out(limitforheatingcut-out)

Infl.-max.(roomtemp.limitation,max.)

Infl.-min.(roomtemp.limitation,min.)

Xp(proportionalband)

Tn(integrationtimeconstant)

Mrun(runningtimeofthemotorizedcontrolvalve)

Nz(neutralzone)

Min.act.time(min.activationtimegearmotor)

Chargedifference

Stopdifference

1x05088

1x05188

1x05289

1x05389

1x05589

1x05990

1x06899

1x07690

1x07790

1x07890

1x08568

1x09391

1x109

1x111

1x11272

1x11372

1x114

1x115

1x11673

1x117

1x118

1x119

1x141

1x14292

1x147

1x148105

1x149106

1x150106

1x15299

1x174

1x177

1x17860

1x17980

1x18262

1x18363

1x18483

1x18583

1x18683

1x18783

1x18984

1x19399

1x194100

Factorysettingsincircuit(s)

1

71

72

72

72

73

74

74

91

105

82

60

2

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Startdifference

SenddesiredT

SettingIDPage

1x195102

1x50094

Factorysettingsincircuit(s)

1

2

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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/Inlettemperature

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/Inlettemperature

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.

TheECLComfort210/296/310controlstheDHWtemperature
accordingtothedesiredflowtemperatureforexampleunderthe
influenceofthereturntemperature.

ActualDHWtemp.

ThedesiredDHWtemperatureissetintheoverviewdisplay.

50.3:

50:

ActualDHWtemperature

DesiredDHWtemperature

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

DesiredDHW
temp.

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MENU>Settings>Flowtemperature/Inlettemperature

DesiredT(Desiredflowtemperature)

WhentheECLComfortisinoverridemode,type"Const.T",thedesiredflow
temperaturecanbeset.
A"Const.T"relatedreturntemperaturelimitationcanalsobeset.SeeMENU
>Settings>Returnlimit>'Con.T,ret.Tlim. '

1x004

SeeAppendix“ParameterIDoverview”

MENU>Settings>Flowtemperature/Inlettemperature

Temp.min.

1x177

SeeAppendix“ParameterIDoverview”

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

Overridemode

WhenECLComfortisinScheduledmode,acontact(switch)signalcan
beappliedtoaninputinordertooverridetoComfort,Saving,Frost
ProtectionorConstanttemperature.Aslongasthecontact(switch)
signalisapplied,theoverrideisactive.

The"DesiredT"valuecanbeinfluencedby:

•temp.max.

•temp.min.

•roomtemp.limit

•returntemp.limit

•flow/powerlimit

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

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

MENU>Settings>Flowtemperature/Inlettemperature

Temp.max.

1x178

SeeAppendix“ParameterIDoverview”

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

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

Thesettingof‘heatcurve’ispossibleforheatingcircuitsonly.

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

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Externalsignalfordesiredflowtemperature

Avoltage(0-10V)canbeappliedtotheinputterminalS10in
ordertodeterminethedesiredflowtemperature.

ThemeasuredvoltageoninputS10mustbeconvertedtoa
temperaturevaluebythecontroller.Whenthevoltagegetshigher,
thedesiredflowtemperatureincreases.

Thefollowingsettingssetupthescaling.

MENU>Settings>Flowtemperature/Inlettemperature

Ext.desiredT—(ECLComfort310)

CircuitSettingrange

1

Theactualdesiredflowtemperatureisindicatedbytheunit°C.

Read-outonly

Factorysetting

Read-out:

--:

°C:

Externalvoltagesignalisnotconnected..

Externalvoltagesignalconvertedtodesiredflow
temperature.

Pushthedialtoseethegraphandenterthevaluesetsfortheinput
voltage(1and10volt)anddisplayeddesiredflowtemperature.

Example:Relationshipbetweeninputvoltageanddisplayeddesiredflow
temperature

Desiredflowtemp.(°C)

Volt

Thisexampleshowsthat1voltcorrespondsto10.0°Cand10volt
correspondto100°C.

Desiredflowtemperature:

10...120°C

Fixedvoltagesettings:1Vand10V
Factorysettings:

(1,10)and(10,100)

Thismeansthatthe‘Desiredflowtemperature’is10°Cat1.0V
and100°Cat10V.

Typically,thehigherthevoltage,thehigherthedisplayeddesired
flowtemperature.

Theexternalvoltagesignalmustbehigherthan1.0Vinorderto
activatetheoverride.

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5.3Roomlimit

ThefollowingsectionisageneraldescriptionforRoom
temperaturelimitation.
Theactualapplicationmightnothavebothlimitationtypes.

Thissectionisonlyrelevantifyouhaveinstalledaroom
temperaturesensororaRemoteControlUnitforutilizingtheroom
temperaturesignal.

Inthefollowingdescriptionisreferredto"flowtemperature"in
general.

Thecontrolleradjuststhedesiredflowtemperaturetocompensate
forthedifferencebetweenthedesiredandtheactualroom
temperature.

Iftheroomtemperatureishigherthanthedesiredvalue,the
desiredflowtemperaturecanbereduced.

The'Infl.-max.'(Influence,max.roomtemp.)determineshow
muchthedesiredflowtemperatureshouldbereduced.

Usethisinfluencetypetoavoidatoohighroomtemperature.The
controllerwillallowforfreeheatgains,i.e.solarradiationorheat
fromafireplaceetc.

Iftheroomtemperatureislowerthanthedesiredvalue,thedesired
flowtemperaturecanbeincreased.

The'Infl.-min.'(Influence,min.roomtemperature)determines
howmuchthedesiredflowtemperatureshouldbeincreased.

Usethisinfluencetypetoavoidatoolowroomtemperature.This
coulde.g.becausedbywindysurroundings.

Atypicalsettingwillbe-4.0for'Infl.-max.'and4.0for'Infl.-min. '

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Roomlimit

Adapt.time(adaptiontime)

Controlshowfasttheactualroomtemperatureadaptstothedesiredroom
temperature(Icontrol).

1x015

Theadaptationfunctioncancorrectthedesiredroomtemperature
withmax.8Kxheatcurveslopevalue.

SeeAppendix“ParameterIDoverview”

OFF:

Thecontrolfunctionisnotinfluencedbythe'Adapt.
time'.

Minor

Thedesiredroomtemperatureisadaptedquickly.

value:
Major

Thedesiredroomtemperatureisadaptedslowly.

value:

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MENU>Settings>Roomlimit

Infl.-max.(roomtemp.limitation,max.)

Determineshowmuchthedesiredflowtemperaturewillbeinfluenced
(decreased)iftheactualroomtemperatureishigherthanthedesiredroom
temperature(Pcontrol).

SeeAppendix“ParameterIDoverview”

0.0:

-2.0:

-5.0:

-9.9:

Noinfluence
Minorinfluence
Mediuminfluence
Maximuminfluence

1x182

=

X

#1#

#2#

#3#

Roomtemperature

=

Desiredroomtemperature

=

Negativeinfluence(1x082)whenactualroomtemp.getshigher
thandesiredroomtemp.

=

Positiveinfluence(1x083)whenactualroomtemp.getslowerthan
desiredroomtemp.

The‘Infl.-max.’and'Infl.-min. 'determinehowmuchtheroom
temperatureshouldinfluencethedesiredflowtemperature.

Ifthe‘Infl. ’factoristoohighand/orthe‘Adapt.time’toolow,thereis
ariskofunstablecontrol.

Example

Theactualroomtemperatureis2degreestoohigh.
The‘Infl.-max.’issetto-4.0.
Theheatcurveslopeis1.8(see'Heatcurve'in'Flowtemperature').
Result:
Thedesiredflowtemperatureischangedby(2x-4.0x1.8)
–14.4degrees.

MENU>Settings>Roomlimit

Infl.-min.(roomtemp.limitation,min.)

Determineshowmuchthedesiredflowtemperaturewillbeinfluenced
(increased)iftheactualroomtemperatureislowerthanthedesiredroom
temperature(Pcontrol).

SeeAppendix“ParameterIDoverview”

9.9:

5.0:

2.0:

0.0:

Maximuminfluence
Mediuminfluence
Minorinfluence
Noinfluence

Inapplicationsubtypes,whereaheatcurveslopevalueisnotpresent,
theheatcurveslopevalueissetto1:

Result:
Thedesiredflowtemperatureischangedby(2x-4.0x1):
–8.0degrees.

Example

1x183

Theactualroomtemperatureis2degreestoolow.
The‘Infl.-min.’issetto4.0.
Theheatcurveslopeis1.8(see'Heatcurve'in'Flowtemperature').
Result:
Thedesiredflowtemperatureischangedby(2x4.0x1.8)

14.4degrees.

Inapplicationsubtypes,whereaheatcurveslopevalueisnotpresent,
theheatcurveslopevalueissetto1:

Result:
Thedesiredflowtemperatureischangedby(2x4.0x1):

8.0degrees.

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5.4Returnlimit

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)

DHWcircuit

Thereturntemperaturelimitationisbasedonaconstant
temperaturevalue.
Thecontrollerautomaticallychangesthedesiredflowtemperature
toobtainanacceptablereturntemperaturewhenthereturn
temperaturefallsbeloworgetshigherthanthesetlimit.
ThislimitationisbasedonaPIregulationwhereP('Infl.'factor)
respondsquicklytodeviationsandI('Adapt.time')responds
slowerandovertimeremovesthesmalloffsetsbetweenthe
desiredandactualvalues.Thisisdonebychangingthedesired
flowtemperature.

Thecalculatedlimitisshowninbrackets()inthemonitoringdisplay.
Seethesection"Monitoringtemperaturesandsystemcomponents" .

=

X
#1#

#2#

#3#

#4#

#5#

Returntemperature

=

Limitationtemperature

Negativeinfluence(1x035)whenreturntemp.getshigherthan

=

limit.temp.
Negativeinfluence(1x036)whenreturntemp.getslowerthan

=

limit.temp.
Positiveinfluence(1x036)whenreturntemp.getslowerthanlimit.

=

temp.
Positiveinfluence(1x035)whenreturntemp.getshigherthan

=

limit.temp.

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Example,maximumreturntemperaturelimitation;
returntemperaturegetshigherthanlimit

=

T

Y

X

#1#

#2#

#3#

#4#

Temperature

=

Temperature

=

Time

=

Returntemperature

=

Returntemperaturelimit

=

Desiredflowtemperature

=

Actionpoint

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Example,minimumreturntemperaturelimitation;
returntemperaturegetslowerthanlimit

=

T

Temperature

=

Y

Temperature

=

X

Time

=

#1#

Returntemperature

=

#2#

Returntemperaturelimit

=

#3#

Desiredflowtemperature

=

#4#

Actionpoint

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Returnlimit

Con.T,re.Tlim.(Constanttemperaturemode,return
temperaturelimitation)

The"Con.T ,ret.Tlimit"isthereturntemperaturelimitationvaluewhenthe
circuitissettooverridemodetype"Const.T"(=Constanttemperature).

SeeAppendix“ParameterIDoverview”

Value:Setthereturntemperaturelimitation

1x028

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MENU>Settings>Returnlimit

Limit(returntemp.limitation)

Setthereturntemperaturevalueyouacceptforthesystem.

1x030

SeeAppendix“ParameterIDoverview”

Whenthereturntemperaturefallsbeloworgetshigherthanthe
setvalue,thecontrollerautomaticallychangesthedesiredflow/
ducttemperaturetoobtainanacceptablereturntemperature.The
influenceissetin'Infl.-max. 'and'Infl.-min.' .

MENU>Settings>Returnlimit

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

Settheoutdoortemperaturevalueforthelowreturntemperaturelimitation.

1x031

SeeAppendix“ParameterIDoverview”

ThecorrespondingYcoordinateissetin'LowlimitY1' .

MENU>Settings>Returnlimit

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

Setthereturntemperaturelimitationreferringtotheoutdoortemperature
valuesetin'HighToutX1' .

1x032

SeeAppendix“ParameterIDoverview”

ThecorrespondingXcoordinateissetin'HighToutX1' .

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”

1x033

1x034

ThecorrespondingXcoordinateissetin'LowToutX2' .

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MENU>Settings>Returnlimit

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

Determineshowmuchthedesiredflowtemperaturewillbeinfluencedifthe
returntemperatureishigherthanthesetlimit.

SeeAppendix“ParameterIDoverview”

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

1x035

1x036

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

Example

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

Normally,thissettingis0indistrictheatingsystemsbecausealower
returntemperatureisacceptable.

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

MENU>Settings>Returnlimit

Adapt.time(adaptationtime)

Controlshowfastthereturntemperatureadaptstothedesiredreturn
temperaturelimit(Integrationcontrol).

SeeAppendix“ParameterIDoverview”

OFF:

Thecontrolfunctionisnotinfluencedbythe‘Adapt.
time’ .

Minor

Thedesiredtemperatureisadaptedquickly.

value:
Major

Thedesiredtemperatureisadaptedslowly.

value:

1x037

Theadaptationfunctioncancorrectthedesiredflowtemperature
withmax.8K.

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MENU>Settings>Returnlimit

Priority(priorityforreturntemp.limitation)

Choosewhetherthereturntemperaturelimitationshouldoverruletheset
min.flowtemperature‘Temp.min. ’.

SeeAppendix“ParameterIDoverview”

OFF:

ON:

Themin.flowtemperaturelimitisnotoverruled.
Themin.flowtemperaturelimitisoverruled.

1x085

IfyouhaveaDHWapplication:
Pleasealsosee‘Paralleloperation’(ID11043).

IfyouhaveaDHWapplication:
Whendependentparalleloperationisinfunction:

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

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

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5.5Flow/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

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DHWcircuit

AfloworheatmetercanbeconnectedtotheECLcontrollerin
ordertolimitthefloworconsumedpower.Thesignalfromthe
floworheatmeterisapulsesignal.

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

Whentheflow/powergetshigherthanthecalculatedlimit,the
controllergraduallyreducesthedesiredflowtemperaturetoobtain
anacceptablemax.floworpowerconsumption.

=

X

Y

#1#

#2#

#3#

Time

=

Floworpower

=

Floworpowerlimit

=

Actualfloworenergy

=

Desiredflowtemperature

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

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Flow/powerlimit

Inputtype

Choiceofinputtypefromflow/energymeter

Pulsebasedsignalforflow/power ,appliedtoinputS7

Formonitoring:
Frequencyrangeis0.01-200Hz

Forlimitation:
Minimumfrequencyisrecommendedtobe1Hzinordertohavea

stablecontrol.Furthermore,thepulsesmustappearregularly.

1x109

ThesettingrangeforIMandEMdependsonchosensubtype.

SeeAppendix“ParameterIDoverview”

OFF:

IM1-

Noinput

Flow/energymetersignalbasedonpulses.

IM5:
EM1-

Flow/energymetersignalfromM-bus.

EM5:

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MENU>Settings>Flow/powerlimit

Actual(actualfloworpower)

Thevalueistheactualfloworpowerbasedonthesignalfromflow/energy
meter.

MENU>Settings>Flow/powerlimit

Limit(limitationvalue)

Thisvalueisinsomeapplicationsacalculatedlimitationvalue,basedonthe
actualoutdoortemperature.
Inotherapplicationsthevalueisaselectablelimitationvalue.

SeeAppendix“ParameterIDoverview”

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

1x111

1x112

Ifthe‘Adapt.time’istoolow,thereisariskofunstablecontrol.

Filterconstant

Thevalueofthefilterconstantdeterminesthedampeningofthemeasured
value.
Thehigherthevalue,themoredampening.
Bythis,atooquickchangeofthemeasuredvaluecanbeavoided.

SeeAppendix“ParameterIDoverview”

Minor

Lowerdampening

value:
Major

Higherdampening

value:

MENU>Settings>Flow/powerlimit

Pulse

Setthevalueofthepulsesfromtheflow/energymeter.

SeeAppendix“ParameterIDoverview”

OFF:

1...9999:

Noinput.

Pulsevalue.

1x113

Example:

1x114

Onepulsecanrepresentanumberoflitres(fromaflowmeter)
oranumberofkWh(fromaenergymeter).

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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.

MENU>Settings>Flow/powerlimit

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

Settheflow/powerlimitationreferringtotheoutdoortemperatureset
in'LowToutX2' .

SeeAppendix“ParameterIDoverview”

ThecorrespondingXcoordinateissetin'LowToutX2' .

Listforsettingrangeof'Units'whenM-busconnectiontoflowor
energymeter:

l/h
m³/h
kW
MW
GW

1x116

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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.

SeeAppendix“ParameterIDoverview”

ThecorrespondingYcoordinateissetin'HighlimitY2'.

MENU>Settings>Flow/powerlimit

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

Settheoutdoortemperaturevalueforthelowflow/powerlimitation.

1x117

Thelimitationfunctioncanoverruletheset'Temp.min'ofthedesired
flowtemperature.

1x118

1x119

SeeAppendix“ParameterIDoverview”

ThecorrespondingYcoordinateissetin'LowlimitY1' .

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5.6Optimization

Thesection"Optimization"describesspecificapplicationrelated
issues.
Theparameters'Autosaving' ,'Boost','Optimizer' ,'Totalstop'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



MENU>Settings>Optimization

Basedon(optimizationbasedonroom/outdoortemp.)

Theoptimizedstartandstoptimecanbebasedoneitherroomoroutdoor
temperature.

SeeAppendix“ParameterIDoverview”

OUT:

Optimizationbasedonoutdoortemperature.Usethis
settingiftheroomtemperatureisnotmeasured.

ROOM:

Optimizationbasedonroomtemperature,ifmeasured.

-9

Dimensioningtemperature:

Thelowestoutdoortemperature(usuallydeterminedbyyoursystem
designerinconnectionwiththedesignoftheheatingsystem)atwhich
theheatingsystemcanmaintainthedesignedroomtemperature.

Example

Thesystemtypeisradiator,andtheheataccumulationofthebuilding
ismedium.

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

1x020

-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

Paralleloperation

ChoosewhethertheheatingcircuitistooperateparalleltotheDHWcircuit.

SeeAppendix“ParameterIDoverview”

OFF:

DHWheatinghas100%priority.Theheatingcircuit
circulationpumpisOFFduringDHWheating.

1...99K:

Dependentparalleloperation.Theheatingcircuit
circulationpumpisONifthedifferencebetweenDHW
heatingtemperature(chargingtemperature)and
desiredflowtemperatureislessthanthesetvalue.

ON:

Paralleloperation.Theheatingcircuitcirculationpump
isONduringDHWheating.

MENU>Settings>Optimization

Summer,cut-out(limitforheatingcut-out)

SeeAppendix“ParameterIDoverview”

1x043

=

X

Y

#1#

#2#

#3#

#4#

#5#

Summer,cut-out

1x179

Time

=

Temperature

=

Acceptabledeviation(Paralleloperation,1x043)

=

DesiredDHWheatingtemperature

=

ActualDHWheatingtemperature

=

100%paralleloperation

=

100%DHWpriority

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

TheheatingsystemswitchesONagainwhentheoutdoor
temperatureandtheaccumulated(filtered)outdoortemperature
becomelowerthanthesetlimit.

Thisfunctioncansaveenergy.

Setthevalueforoutdoortemperatureatwhichyouwantthe
heatingsystemtoswitchOFF .

=

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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5.7Controlparameters

Controlofvalve

Themotorizedcontrolvalveiscontrolledbymeansof3-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.

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Thermo-hydraulicactuator,ABV

Danfossthermo-actuatortypeABVisaslowactingvalveactuator.
InsidetheABVanelectricheatcoilwillheatathermostaticelement
whenanelectricsignalisapplied.Whenheatingthethermostatic
elementitexpandsinordertomanagethecontrolvalve.

Twobasictypesareavailable:ABVNC(NormalClosed)andABVNO
(normalopen).Forexample,ABVNCkeepsa2-portcontrolvalve
closedwhennoopen-signalsareapplied.

Electricopen-signalscomefromtheelectronicoutputoftheECL
Comfortcontrollerinordertomanagethecontrolvalve.When
open-signalsareappliedtotheABVNC,thevalvegraduallyopens.

Open-signalsareintheECLComfortcontrollerexpressedas
"Arrow-up"(open)anddisplayedatthevalvesymbol.

Whentheflowtemperature(forexampleatS3)islowerthanthe
desiredflowtemperature,relativelylongopen-signalscomefrom
theECLComfortcontrollerinordertoincreasetheflow.Bythis,
theflowtemperaturewillovertimebealignedwiththedesired
temperature.

Oppositely,whentheflowtemperatureishigherthanthedesired
flowtemperature,relativelyshortopen-signalscomefromtheECL
Comfortcontrollerinordertoreducetheflow.Again,theflow
temperaturealigns,overtime,withthedesiredtemperature.

ThecontroloftheDanfossthermo-actuatortypeABVusesaunique
designedalgorithmandisbasedonthePWMprinciple(Pulse
WidthModulation),wherethedurationofthepulsedetermines
themanagementofthecontrolvalve.Thepulsesarerepeated
each10sec.

Aslongastheflowtemperaturecorrespondstothedesired
temperature,thedurationoftheopen-signalswillremainconstant.

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Controlparameters

Actuator

ABV/GEAR

1x024

GEAR

Selectionofvalveactuatortype.

Whenselecting"ABV",thecontrolparameters:

•Motorprotection(ID1x174)

ABV:

GEAR:

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Gearmotorbasedactuator.

•Xp(ID1x184)

•Tn(ID1x185)

•Mrun(ID1x186)

•Nz(ID1x187)

•Min.act.time(ID1x189)

arenotconsidered.

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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.

MENU>Settings>Controlparameters

Tn(integrationtimeconstant)

1x174

1x184

1x185

SeeAppendix“ParameterIDoverview”

Setahighintegrationtimeconstant(inseconds)toobtainaslow
butstablereactiontodeviations.

Alowintegrationtimeconstantwillmakethecontrollerreactfast
butwithlessstability.

MENU>Settings>Controlparameters

Mrun(runningtimeofthemotorizedcontrolvalve)

‘Mrun’isthetimeinsecondsittakesthecontrolledcomponenttomove
fromfullyclosedtofullyopenposition.

SeeAppendix“ParameterIDoverview”

Setthe‘Mrun’accordingtotheexamplesormeasuretherunning
timebymeansofastopwatch.

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.)

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MENU>Settings>Controlparameters

Nz(neutralzone)

Whentheactualflowtemperatureiswithintheneutralzone,thecontroller
doesnotactivatethemotorizedcontrolvalve.

SeeAppendix“ParameterIDoverview”

Settheacceptableflowtemperaturedeviation.

Settheneutralzonetoahighvalueifyoucanacceptahigh
variationinflowtemperature.

MENU>Settings>Controlparameters

Min.act.time(min.activationtimegearmotor)

Themin.pulseperiodof20ms(milliseconds)foractivationofthegear
motor.

SeeAppendix“ParameterIDoverview”

1x187

Theneutralzoneissymmetricalaroundthedesiredflowtemperature
value,i.e.halfthevalueisaboveandhalfthevalueisbelowthis
temperature.

SettingexampleValuex20ms

1x189

240ms
10200ms
501000ms

Thesettingshouldbekeptashighasacceptabletoincreasethe
lifetimeoftheactuator(gearmotor).

IfyouwanttotunethePIregulationprecisely,youcanusethefollowingmethod:

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

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

•Findthecriticaltimeperiodonthetemperaturerecorderoruseastopwatch.

Temp.

Criticaltimeperiod

Time

Thiscriticaltimeperiodwillbecharacteristicforthesystem,andyoucanevaluatethesettingsfromthiscriticalperiod.
‘Tn’=

0.85xcriticaltimeperiod

‘Xp’=

2.2xproportionalbandvalueinthecriticaltimeperiod

Iftheregulationseemstobetooslow,youcandecreasetheproportionalbandvalueby10%.Makesurethereisaconsumption
whenyousettheparameters.

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5.8Application

Thesection"Application"describesspecificapplicationrelated
issues.
Someoftheparameterdescriptionsareuniversalfordifferent
applicationkeys.

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Application

ECAaddr.(ECAaddress,choiceofRemoteControlUnit)

Decidestheroomtemperaturesignaltransferandcommunicationwiththe
RemoteControlUnit.

SeeAppendix“ParameterIDoverview”

OFF:

NoRemoteControlUnit.Onlyroomtemperaturesensor,
ifany.

A:

B:

RemoteControlUnitECA30/31withaddressA.
RemoteControlUnitECA30/31withaddressB.

1x010

TheRemoteControlUnitmustbesetaccordingly(AorB).

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MENU>Settings>Application

Demandoffset

Thedesiredflowtemperatureinheatingcircuit1canbeinfluencedbythe
demandforadesiredflowtemperaturefromanothercontroller(slave)or
anothercircuit.

SeeAppendix“ParameterIDoverview”

OFF:

Thedesiredflowtemperatureincircuit1isnot
influencedbythedemandofanyothercontroller(slave
orcircuit2).

Value:

Thedesiredflowtemperatureisincreasedbytheset
valuein‘Demandoffset’ ,ifthedemandoftheslave/
circuit2ishigher.

Heatingapplication

1x017

=

X

Y

#1#

#2#

#3#

Time

=

Desiredflowtemperatures

=

Demandoffset

=

Desiredflowtemperature,master

=

Desiredflowtemperature,slave

MENU>Settings>Application

Pexercise(pumpexercise)

Exercisesthepumptoavoidblockinginperiodswithoutheatdemand.

SeeAppendix“ParameterIDoverview”

Thefunctionof‘Demandoffset’cancompensateforheatlosses
betweenmasterandslavecontrolledsystems.

'Demandoffset'withavalueistobeusedintheMastercontrolleronly.

Whensetting"Demandoffset"toavalue,thereturntemperature
limitationwillreactaccordingtothehighestlimitationvalue(Heating
/DHW).

1x022

OFF:

ON:

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Thepumpexerciseisnotactive.

ThepumpisswitchedONfor1minuteeverythirddayat
noon(12:14hours).

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MENU>Settings>Application

Mexercise(valveexercise)

Exercisesthevalvetoavoidblockinginperiodswithoutheatdemand.

SeeAppendix“ParameterIDoverview”

OFF:

ON:

Thevalveexerciseisnotactive.

Thevalveopensfor7minutesandclosesfor7minutes
everythirddayatnoon(12:00hours).

MENU>Settings>Application

Ppost-run

Heatingapplications:

ThecirculationpumpintheheatingcircuitcanbeONforanumberof
minutes(m)afterheatingstop.Heatingstopiswhenthedesiredflow
temperaturegetslowerthanthesettingin'PheatT'(IDno.1x078).

Coolingapplications:

ThecirculationpumpinthecoolingcircuitcanbeONforanumberof
minutes(m)aftercoolingstop.Coolingstopiswhenthedesiredflow
temperaturegetshigherthanthesettingin'PcoolT'(IDno.1x070).
ThisPpost-runfunctioncanutilizetheremainingenergyinforexamplea
heatexchanger.

SeeAppendix“ParameterIDoverview”

1x023

1x040

0:

Thecirculationpumpstopsimmediatelyafterheating
orcoolingstop.

Value:

ThecirculationpumpisONforthesettimeafterheating
orcoolingstop.

MENU>Settings>Application

DHWPpost-run(DHWpump,post-run)

SettheDHWpumppost-runtime(minutes).TheDHWpumpcancontinue
tobeswitchedONaftertheDHWheatingprocedureinordertoutilizethe
remainingheatintheheatexchanger/boiler.

SeeAppendix“ParameterIDoverview”

Value:

Setthenumberofminutesforthepost-run.

MENU>Settings>Application

Char.Ppost-run(DHWchargingpump,post-run)

SettheDHWchargingpumppost-runtime(minutes).TheDHWcharging
pumpcancontinuetobeswitchedONaftertheDHWheatingprocedurein
ordertoutilizetheremainingheatintheheatexchanger.

1x041

1x042

SeeAppendix“ParameterIDoverview”

Value:

Setthenumberofminutesforthepost-run.

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MENU>Settings>Application

Max.DHWtime

SetthemaxDHWheatingtime(minutes).WhenDHWheatingisactiveand
theset'Max.DHWtime'expires,DHWheatingisdeactivated.

1x044

SeeAppendix“ParameterIDoverview”

OFF:

IftheDHWtemperatureislowerthantheDHWcharging
cut-intemperature,theDHWchargingremainsactive
forunlimitedperiodoftime.IftheDHWtemperatureis
higherthantheDHWchargingcut-intemperature,the
chargingisdeactivatedafter35minutes.

Value:TheDHWheating/chargingisdeactivatedwhentheset

'Max.DHWtime'(inminutes)expires.

MENU>Settings>Application

DHWdeact.time(DHWdeactivationtime)

Setthetime(minutes)thatmustelapseafteraDHWheatingperiodbeforea
newDHWheatingperiodcanbestarted.

1x045

SeeAppendix“ParameterIDoverview”

Value:WhentheDHWheating/chargingtimehasreachedits

maximum,DHWcanonlybeheated/chargedagain
afterthesetdeactivationtime(inminutes)hasexpired.

MENU>Settings>Application

Pdemand

Thecirculationpumpinthemastercircuitcanbecontrolledinrelationto
themastercircuit'sdemandorslavecircuit'sdemand.

SeeAppendix“ParameterIDoverview”

Heatingapplications:

OFF:

ThecirculationpumpisONwhenthedesiredflow
temperatureintheheatingcircuitishigherthanthe
valuesetin'PheatT'.

ON:

ThecirculationpumpisONwhenthedesiredflow
temperaturefromslavesishigherthanthevaluesetin
'PheatT'.

Coolingapplications:

OFF:

ThecirculationpumpisONwhenthedesiredflow
temperatureinthecoolingcircuitislowerthanthevalue
setin'PcoolT'.

ON:

ThecirculationpumpisONwhenthedesiredflow
temperaturefromslavesislowerthanthevaluesetin
'PcoolT'.

1x050

Thecirculationpumpisalwayscontrolledaccordingtofrostprotection
conditions.

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MENU>Settings>Application

Ch.-o.valve/P(changeovervalve/pump)

ChoosewhethertheDHWheatingcontrolisbasedonachangeovervalve
orapump.

SeeAppendix“ParameterIDoverview”

OFF:

ON:

Changeovervalve
Pump

MENU>Settings>Application

DHWpriority(closedvalve/normaloperation)

Theheatingcircuitcanbeclosedwhenthecontrolleractsasslaveandwhen
DHWheating/chargingisactiveinthemaster.

SeeAppendix“ParameterIDoverview”

OFF:

Theflowtemperaturecontrolremainsunchanged
duringactiveDHWheating/charginginthemaster
controller.

ON:

Thevalveintheheatingcircuitisclosed*duringactive
DHWheating/charginginthemastercontroller.

*Thedesiredflowtemperatureissettothevaluesetin
‘Frostpr.T’

1x051

Whenthechangeovervalveischosen,pumpP1isONatheatingas
wellasatDHWheatingdemand.

Whenthepumpischosen,pumpP1isONatheatingandOFFatDHW
heatingdemand.

Aparalleloption(heatingandDHWheatinginparallel)exists,based
onthesetting‘Paralleloperation’ .

1x052

Thissettingmustbeconsideredifthiscontrollerisaslave.

MENU>Settings>Application

Tank,sec./prim.(Tanksecondarilyorprimarily
connected)

ChoosewhethertheheatingoftheDHWtankisdependentontheflow
temperatureatS3.

SeeAppendix“ParameterIDoverview”

OFF:

TheDHWtankisplacedonthesecondarysideofthe
heatexchangerandtheS3temperaturedetermines
theDHWheating.

ON:

TheDHWtankisplacedontheprimarysideoftheheat
exchangerandtheS3temperaturehasnoinfluence
ontheDHWheating.

1x053

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MENU>Settings>Application

Circ.Ppriority

ChoosewhethertheDHWcirculationpumpshouldbeONduringDHW
heating.

SeeAppendix“ParameterIDoverview”

OFF:

TheDHWcirculationpumpisswitchedOFFduringDHW
heating.

ON:

TheDHWcirculationpumpisnotswitchedOFFduring
DHWheating.

MENU>Settings>Application

Pchargedelay(Chargingpump,delayedstart)

ConditionsforswitchingtheDHWheating/chargingpumpONatDHW
heating/chargingdemand.
Correctsettingcanavoiddischarging.

SeeAppendix“ParameterIDoverview”

OFF:

DHWheating/chargingpumpisswitchedONwhen
DHWheating/chargingtemperatureisOK.

0:

Value:

DHWheating/chargingpumpisswitchedON.

DHWheating/chargingpumpisswitchedONafterthe
setnumberofminutes.

1x055

Whenthe'Circ.Ppriority'issettoOFF ,theschedulefortheDHW
circulationpumpisoverruled.

1x059

Whenthesetting"OFF"isselected,thetemperaturesensorforDHW
heating/chargingmustbeplacedintheheat-exchanger.

MENU>Settings>Application

Circ.PfrostT

SettheoutdoortemperaturevalueatwhichtheDHWcirculationpumpisto
beactivetoprotecttheDHWcircuitagainstfrost.

SeeAppendix“ParameterIDoverview”

OFF:

Value:

TheDHWcirculationpumpisnotactive.
TheDHWcirculationpumpisactivewhentheoutdoor

temperatureislowerthanthesetvalue.

MENU>Settings>Application

PfrostT(circulationpump,frostprotectiontemp.)

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

SeeAppendix“ParameterIDoverview”

OFF:

Value:

Nofrostprotection.
CirculationpumpisONwhentheoutdoortemperature

isbelowthesetvalue.

1x076

1x077

Undernormalconditions,yoursystemisnotfrostprotectedifyour
settingisbelow0°CorOFF.

Forwater-basedsystems,asettingof2°Cisrecommended.

Iftheoutdoortemperaturesensorisnotconnectedandthefactory
settinghasnotbeenchangedto'OFF' ,thecirculationpumpisalways
ON.

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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

#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

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MENU>Settings>Application

SenddesiredT

Whenthecontrolleractsasaslavecontrollerinamaster/slavesystem,
informationaboutthedesiredflowtemperaturecanbesenttothemaster
controllerviatheECL485bus.
Stand-alonecontroller:
Sub-circuitscansendthedesiredflowtemperaturetothemastercircuit.

SeeAppendix“ParameterIDoverview”

OFF:

Informationaboutthedesiredflowtemperatureisnot
senttothemastercontroller.

ON:

Informationaboutthedesiredflowtemperatureissent
tothemastercontroller.

1x500

Inthemastercontroller,'Demandoffset'mustbesettoavalueinorder
toreactonadesiredflowtemperaturefromaslavecontroller.

Whenthecontrolleractsasaslave,itsaddressmustbe1,2,3...9in
ordertosendthedesiredtemperaturetothemaster(seethesection
‘Miscellaneous’ ,‘Severalcontrollersinthesamesystem’).

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5.9Heatcut-out

MENU>Settings>Heatcut-out

Thesetting“Summercut-out”under“Optimization”fortheheating
circuitinquestiondeterminesaheatingcut-outwhentheoutdoor
temperatureexceedsthesetvalue.

Afilteringconstantforcalculatingtheaccumulatedoutdoor
temperatureisinternallysettoavalueof"250".Thisfiltering
constantrepresentsanaveragebuildingwithsolidouterandinner
walls(bricks).

Anoptionfordifferentiatedcut-outtemperatures,basedona
setsummerperiod,canbeutilizedinordertoavoiddiscomfort
atfallingoutdoortemperature.Furthermore,separatefiltering
constantscanbeset.

ThefactorysetvaluesforSummerperiodstartandWinterperiod
startaresettosamedate:May,20(Date=20,Month=5).
Thismeans:

•"Differentiatedcut-outtemperatures"aredisabled(notactive)

•Separate"Filteringconstant"valuesaredisabled(notactive)

Inordertoenabledifferentiated

•cut-outtemperaturebasedonsummer/winterperiod

•filteringconstants

thestartdatesfortheperiodsmustbedifferent.

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5.9.1Differentiatedheatcut-out

Tosetdifferentiatedcut-outparametersforaheatingcircuitfor
“Summer”and“Winter”goto“Heatcut-out”:
(MENU>Settings>Heatcut-out)
Thisfunctionisactivewhenthedatesfor“Summer”and“Winter”
aredifferentinthe“Heatcut-out”menu.

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Heatcut-out

Extendedheatcut-outsetting

ParameterIDSettingrange

Summerday

Summermonth

Summercut-out

Summerfilter

1x393

1x392

1x179

1x395

**

**

**

**

Factory

setting

SeeAppendix“ParameterIDoverview”

MENU>Settings>Heatcut-out

Extendedwintercut-outsetting

ParameterIDSettingrange

Winterday

Wintermonth

Wintercut-out

Winterfilter

1x397

1x396

1x398

1x399

**

**

**

**

Factory

SeeAppendix“ParameterIDoverview”

Theabovesettingsofthedatesforthecut-outfunctionareonly
tobedoneintheheatingcircuit1andarevalidforotherheating
circuitsinthecontrolleraswell,ifapplicable.

Thecut-outtemperaturesaswellasthefilterconstantaretobeset
individuallyperheatingcircuit.

setting

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

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5.9.2Summer/winterfilterconstant

Thefilterconstantof250isapplicableforaveragebuildings.A
filterconstantof1iscloseswitchingaccordingtoactualoutdoor
temperaturemeaninglowfiltering(very“light”building).

Afilterconstantof300isthentobechosenifabigfilteringis
needed(veryheavybuilding).

Forheatingcircuitswheretheheatcut-outisdemandedaccording
tothesameoutdoortemperatureforthewholeyear,butdifferent
filteringiswanted,differentdateshavetobesetinthe“Heat
cut-out”menuenablingaselectionofafilterconstantdifferent
fromthefactorysetting.
Thesedifferentvalueshavetobesetinboththe“Summer”and
“Winter”menu.

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5.10Tanktemperature

MENU>Settings>Tanktemperature

FlowTadapttime(Flowtemperature,adaptationtime)

Settheadaptationtime(inseconds)forthedesiredtemperatureinthe
primarycircuit,basedonthedesiredchargingtemperature.
TheECLComfortcontrollergraduallyincreasesthedesiredflowtemperature
intheprimarycircuitinordertomaintainthedesiredchargingtemperature.

1x068

SeeAppendix“ParameterIDoverview”

OFF:

Thedesiredflowtemperatureintheprimarycircuitis
notadaptedtothedesiredchargingtemperature.

Low

Theadaptationisquick.

value:
High

Theadaptationisslow.

value:

MENU>Settings>Tanktemperature

Max.chargeT(maximumheating/chargingtemperature)

Setthemax.heating/chargingtemperaturefortheDHW.

1x152

SeeAppendix“ParameterIDoverview”

Value:Setthetemperature.

Thedesiredheating/chargingtemperaturecannotbehigherthanthe
settemperaturein'Max.chargeT’ .

NOTE:
ThedesiredDHWtemperaturewillbereducedif"Max.chargeT"is

lowerthan(DesiredDHWtemp.+Chargedifference).

Example:

DesiredDHWtemp.=

Chargedifference=

Max.chargeT=

50°C

10K

55°C

Result:
DesiredDHWtemp.willbereducedto45°C.

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MENU>Settings>Tanktemperature

Chargedifference

SetthenumberofdegreesabovethedesiredDHWtemperaturethatwill
resultintheDHWheating(charging)temperature.

SeeAppendix“ParameterIDoverview”

Value:

NumberofdegreestobeaddedtothedesiredDHW
temperaturetoobtaintheDHWheating(charging)
temperature.

1x193

=

X

#1#

#2#

#3#

#4#

#5#

ThedesiredDHWtemperatureisrelatedtothetanktemperature
sensor.

Iftwotanktemperaturesensorsareinstalled,therelationistothe
uppertanktemperaturesensor.

Time

=

Chargingdifference(ID1x193)

=

DesiredDHWtemperature

=

Startdifference(ID1x195)

=

ActualDHWtemperature

=

DHWheating/chargingactivity

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