Danfoss A390 Operating guide

OperatingGuide

ECLComfort310,applicationA390

1.0TableofContents

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

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

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

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

2.2Identifyingthesystemtype......................................14

2.3Mounting...........................................................17

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

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

2.6InsertingtheECLApplicationKey..............................32

2.7Checklist............................................................39

2.8Navigation,ECLApplicationKeyA390.........................40

3.0Dailyuse.........................................................47

3.1Howtonavigate...................................................47

3.2Understandingthecontrollerdisplay..........................48

3.3Ageneraloverview:Whatdothesymbolsmean?...........51

3.4Monitoringtemperaturesandsystem

components........................................................52

3.5Influenceoverview................................................53

3.6Manualcontrol.....................................................54

3.7Schedule............................................................55

4.0Settingsoverview............................................56

5.0Settings...........................................................59

5.1IntroductiontoSettings..........................................59

5.2Flowtemperature..................................................60

5.3Roomlimit..........................................................64

5.4Returnlimit.........................................................67

5.5Compensation1...................................................74

5.6Compensation2...................................................76

5.7Flow/powerlimit.................................................78

5.8Optimization........................................................82

5.9Controlparameters................................................88

5.10Application.........................................................93

5.11Heatcut-out......................................................105

5.12Tanktemperature................................................108

5.13Anti-bacteria......................................................113

5.14Alarm..............................................................115

5.15Alarmoverview..................................................118

6.0Commoncontrollersettings............................119

6.1Introductionto‘Commoncontrollersettings’..............119

6.2Time&Date.......................................................120

6.3Holiday............................................................121

6.4Inputoverview...................................................123

6.5Log.................................................................124

6.6Outputoverride..................................................125

6.7Keyfunctions.....................................................126

6.8System.............................................................128

7.0Miscellaneous................................................135

7.1ECA30/31setupprocedures.................................135

7.2Overridefunction................................................144

7.3Severalcontrollersinthesamesystem......................147

7.4Frequentlyaskedquestions....................................151

7.5Definitions........................................................154

7.6Type(ID6001),overview.......................................158

7.7Automatic/manualupdateoffirmware.....................159

7.8ParameterIDoverview..........................................160

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OperatingGuideECLComfort310,applicationA390

1.1Importantsafetyandproductinformation

1.1.1Importantsafetyandproductinformation

ThisOperatingGuideisassociatedwithECLApplicationKeyA390
(ordercodeno.087H3815).

TheECLApplicationkeyA390contains6subtypes,whichare:

•A390.1:3heatingcircuits,3-pointcontrolofcontrolvalves

•A390.2:3heatingcircuits,analogcontrolofcontrolvalves

•A390.3:3coolingcircuits,3-point/analogcontrolofcontrol
valves

•A390.11:1xheating/DHWcircuit,2heatingcircuits;3-point/
analogcontrolofcontrolvalves

•A390.12:1xheating/DHWchargingcircuit,2heatingcircuits;
3-point/analogcontrolofcontrolvalves

•A390.13:1xDHWchargingcircuit,2heatingcircuits;3-point/
analogcontrolofcontrolvalves

TheA390applicationkeyalsocontainsaFloor(Screed)Drying
Program.Seeseparatedocumentation(InEnglishandGerman
languageonly).

SeetheInstallationGuideforelectricalconnections.

ThedescribedfunctionsarerealizedinECLComfort310for
advancedsolutions,e.g.M-bus,ModbusandEthernet(Internet)
communication.

TheapplicationkeyA390complieswithECLComfortcontrollers
310asofsoftware(firmware)version1.11(visibleatstart-upofthe
controllerandin‘Commoncontrollersettings’in‘System’).

UptotwoRemoteControlUnits,ECA30orECA31,canbe
connectedandthebuilt-inroomtemperaturesensorcanbe
utilized.

ThesubtypesA390.2,A390.3,A390.11,A390.12andA390.13can
workwiththeInternalI/OmoduleECA32for0–10Voltcontrolof
actuatorsandP7control.
ECA32isplacedinthebasepartforECLComfort310.

TogetherwiththeECLComfort310theadditionalInternalI/O
modulecanalsobeusedforextradatacommunicationtoSCADA:

•Temperature,Pt1000(default)

•0-10voltsignals

•Digitalinput

Theset-upofinputtypecanbedonebymeansoftheDanfoss
Software"ECLTool".
Navigation:Danfoss.com>Products&Solutions>Products>
DistrictHeatingandCooling>Documentation>Tools&Software
>ECLTool.

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

ECLComfort310isavailableas:

•ECLComfort310,230volta.c.(087H3040)

•ECLComfort310B,230volta.c.(087H3050)

•ECLComfort310,24volta.c.(087H3044)

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TheB-typehasnodisplayanddial.TheB-typeisoperatedby
meansoftheremotecontrolunitECA30/31:

•ECA30(087H3200)

•ECA31(087H3201)

InternalI/Omodule:

•ECA32(087H3202)

ThebasepartforECLComfort310,230voltand24volt:

•087H3230

AdditionaldocumentationforECLComfort310,modulesand
accessoriesisavailableonhttp://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.

Automaticupdateofcontrollersoftware(firmware):
Thesoftwareofthecontrollerisupdatedautomaticallywhenthekey

isinserted(asofcontrollerversion1.11(ECL210/310)andversion

1.58(ECL296)).Thefollowinganimationwillbeshownwhenthe
softwareisbeingupdated:

Progressbar

Duringupdate:

•DonotremovetheKEY
Ifthekeyisremovedbeforethehour-glassisshown,youhave
tostartafresh.

•Donotdisconnectthepower
Ifthepowerisinterruptedwhenthehour-glassisshown,the
controllerwillnotwork.

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

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OperatingGuideECLComfort310,applicationA390

Thissymbolindicatesthatthisparticularpieceofinformationshould
bereadwithspecialattention.

Applicationkeysmightbereleasedbeforealldisplaytextsare
translated.InthiscasethetextisinEnglish.

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

°C(degreesCelsius)isameasuredtemperaturevaluewhereasK
(Kelvin)oftenisusedfortemperaturedifferences.

TheIDno.isuniquefortheselectedparameter.

ExampleFirstdigitSeconddigitLastthreedigits

1117411174

-

12174

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

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

1

-

Circuit1Parameterno.

2

Circuit2Parameterno.

174

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OperatingGuideECLComfort310,applicationA390

DisposalNote

Thissymbolontheproductindicatesthatitmaynot
bedisposedofashouseholdwaste.

Itmustbehandedovertotheapplicabletake-back
schemefortherecyclingofelectricalandelectronic
equipment.

•Disposeoftheproductthroughchannelsprovided
forthispurpose.

•Complywithalllocalandcurrentlyapplicablelaws
andregulations.

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OperatingGuideECLComfort310,applicationA390

2.0Installation

2.1Beforeyoustart

TheECLapplicationkeyA390contains6subtypes:A390.1,A390.2,
A390.3,A390.11,A390.12andA390.13.The6differentapplications
areheating,coolingandDHWapplicationsinvariouscombinations.

TheheatingbasedapplicationsA390.1,A390.2,A390.11,

A390.12andA390.13areveryflexible.

Thebasicprinciplesforaheatingcircuit

(examplereferringtoA390.1,circuit1)

Typically,theflowtemperatureisadjustedaccordingtoyour
requirements.Theflowtemperaturesensor(S3)isthemost
importantsensor.ThedesiredflowtemperatureatS3iscalculated
intheECLcontroller,basedontheoutdoortemperature(S1)and
thedesiredroomtemperature.Thelowertheoutdoortemperature,
thehigherthedesiredflowtemperature.

Bymeansofaweekschedule,theheatingcircuitcanbein‘Comfort’
or‘Saving’mode(twovaluesforthedesiredroomtemperature).
InSavingmodetheheatingcanbereducedorswitchedofftotally.

Themotorizedcontrolvalve(M1)isopenedgraduallywhenthe
flowtemperatureislowerthanthedesiredflowtemperatureand
viceversa.

Thereturntemperature(S5)canbelimited,forexamplenottobe
toohigh.Ifso,thedesiredflowtemperatureatS3canbeadjusted
(typicallytoalowervalue),thusresultinginagradualclosingof
themotorizedcontrolvalve.Furthermore,thereturntemperature
limitationcanbedependentontheoutdoortemperature.
Typically,thelowertheoutdoortemperature,thehigherthe
acceptedreturntemperature.

Inboiler-basedheatingsupplythereturntemperatureshouldnot
betoolow(sameadjustmentprocedureasabove).

Ifthemeasuredroomtemperaturedoesnotequalthedesired
roomtemperature,thedesiredflowtemperaturecanbeadjusted.

Thecirculationpump,P1,isONatheatdemandoratfrost
protection.

TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis
higherthanaselectablevalue.

AconnectedfloworenergymeterbasedonM-bussignalcan
limitthefloworenergytoasetmaximumvalue.Furthermorethe
limitationcanbeinrelationtotheoutdoortemperature.Typically,
thelowertheoutdoortemperature,thehighertheacceptedflow/
power.

Thefrostprotectionmodemaintainsaselectableflowtemperature,
forexample10°C.

TypicalA390.1application:

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL310

S1

S2

S3

S4

S5

S6

S7

S8

S9

S10

P1

P2

P3

M1

M2

M3

A1

ElectroniccontrollerECLComfort310

Outdoortemperaturesensor

(Optional)Roomtemperaturesensor,circuit1

Flowtemperaturesensor,circuit1

Flowtemperaturesensor,circuit2

(Optional)Returntemperaturesensor,circuit1

(Optional)Returntemperaturesensor,circuit2

(Optional)Returntemperaturesensor,circuit3

(Optional)Roomtemperaturesensor,circuit2

Flowtemperaturesensor,circuit3

(Optional)Roomtemperaturesensor,circuit3

Circulationpump,heating,circuit1

Circulationpump,heating,circuit2

Circulationpump,heating,circuit3

Motorizedcontrolvalve(3-pointcontrolled),circuit1
Alternative:Thermoactuator(DanfosstypeABV)

Motorizedcontrolvalve(3-pointcontrolled),circuit2
Alternative:Thermoactuator(DanfosstypeABV)

Motorizedcontrolvalve(3-pointcontrolled),circuit3
Alternative:Thermoactuator(DanfosstypeABV)

Alarm

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OperatingGuideECLComfort310,applicationA390

A390.1,A390.2,A390.3,A390.11andA390.12:

Circuit1canactasmasterandtheremainingcircuitscanactas
slaves.

A390.2:

ThemotorizedcontrolvalvesM1,M2andM3arecontrolledby
meansof0-10voltsignals.Thecontrolsignalscomefromthe
internalI/OextensionmoduleECA32.The3-pointoutputsinthe
ECL310aredisabled.

A390.3,A390.11,A390.12,A390.13

ThemotorizedcontrolvalvesM1,M2andM3arecontrolledby
meansofeither3-pointor0-10voltsignals.Bothtypesofoutputs
areactive.The0–10VoltsignalscomefromtheinternalI/O
extensionmoduleECA32.

A390.11andA390.13:

Eachoftheheatingcircuitscanbesettoutilizetheroom
temperaturesensorS7.
Ifthereisademandfortwoseparateroomtemperaturesensors,
S7canbeusedforoneoftheheatingcircuitsandECA30forthe
otherheatingcircuit.

A390.11,A390.12andA390.13:

TheheatingcircuitscanbeclosedduringDHWheating(priority).

A390.13:

DHWheatinghaspriority.

A390.1,A390.2,A390.11,A390.12andA390.13:

AlarmA1(=relay6)canbeactivatedif:

•Theactualflowtemperaturediffersfromthedesiredflow
temperature.

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

Heatingrelatedcircuits,ingeneral:

Exerciseofcirculationpumpsandcontrolvalvesinperiodswithout
heatingdemandcanbearranged.

ModbuscommunicationtoaSCADAsystemcanbeestablished.

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

A390,ingeneral:

UptotwoRemoteControlUnits,ECA30/31canbeconnectedto
oneECLcontrollerinordertocontroltheECLcontrollerremotely.

AdditionalECLComfortcontrollerscanbeconnectedviatheECL
485businordertoutilizecommonoutdoortemperaturesignal,
timeanddatesignals.
TheECLcontrollersintheECL485systemcanworkinmaster­slavesystem.

Unusedinputscan,bymeansofanoverrideswitchorrelaycontact,
beusedforoverridingthescheduletoafixed'Comfort' ,'Saving',
'Frostprotection'or'Constanttemperature'mode.

TypicalA390.2application:

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL310

ECA32

S1

S2

S3

S4

S5

ElectroniccontrollerECLComfort310

Built-inextensionmodule

Outdoortemperaturesensor

(Optional)Roomtemperaturesensor,circuit1

Flowtemperaturesensor,circuit1

Flowtemperaturesensor,circuit2

(Optional)Returntemperaturesensor,
circuit1

S6

(Optional)Returntemperaturesensor,
circuit2

S7

(Optional)Returntemperaturesensor,
circuit3

S8

S9

S10

P1

P2

P3

M1

(Optional)Roomtemperaturesensor,circuit2

Flowtemperaturesensor,circuit3

(Optional)Roomtemperaturesensor,circuit3

Circulationpump,circuit1

Circulationpump,circuit2

Circulationpump,circuit3

Motorizedcontrolvalve(0-10voltcontrolled),
circuit1

M2

Motorizedcontrolvalve(0-10voltcontrolled),
circuit2

M3

Motorizedcontrolvalve(0-10voltcontrolled),
circuit3

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OperatingGuideECLComfort310,applicationA390

ThecoolingapplicationA390.3isveryflexible.

Thebasicprinciplesforacoolingcircuit

(examplereferringtoA390.3,circuit1)

Typically,theflowtemperatureisadjustedaccordingtoyour
requirements.TheflowtemperaturesensorS3isthemost
importantsensor.ThedesiredflowtemperatureatS3issetin
theECLcontroller.Furthermore,theoutdoortemperatureS1can
influencethedesiredflowtemperature.Thehighertheoutdoor
temperature,thelowerthedesiredflowtemperature.

Bymeansoftheweekschedule,thecoolingcircuitcanbein
‘Comfort’or‘Saving’mode(twovaluesforthedesiredflow
temperature).

Theweekschedulealsocontrolstwovalues(‘Comfort’and
‘Saving’)forthedesiredroomtemperature.Ifthemeasuredroom
temperaturedoesnotequalthedesiredroomtemperature,the
desiredflowtemperaturecanbeadjusted.

ThemotorizedcontrolvalveM1isopenedgraduallywhenthe
flowtemperatureishigherthanthedesiredflowtemperatureand
viceversa.
ThereturntemperatureS5tothecoolingsupplyshouldnotbetoo
low.Ifso,thedesiredflowtemperaturecanbeadjusted(typicallyto
ahighervalue),thusresultinginagradualclosingofthemotorized
controlvalve.

ThecirculationpumpP1isONatcoolingdemand.

Aconnectedfloworenergymeter(M-bus)canlimittheflowor
energytoasetmaximumvalue.

Thestandbymodemaintainsaselectableflowtemperature,for
example30°C.

TypicalA390.3application:

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL310
ECA32
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
P1
P2
P3
M1

ElectroniccontrollerECLComfort310
(notillustrated)*)
Outdoortemperaturesensor
(Optional)Roomtemperaturesensor,circuit1
Flowtemperaturesensor,circuit1
Flowtemperaturesensor,circuit2
(Optional)Returntemperaturesensor,circuit1
(Optional)Returntemperaturesensor,circuit2
(Optional)Returntemperaturesensor,circuit3
(Optional)Roomtemperaturesensor,circuit2
Flowtemperaturesensor,circuit3
(Optional)Roomtemperaturesensor,circuit3
Circulationpump,circuit1
Circulationpump,circuit2
Circulationpump,circuit3
Motorizedcontrolvalve(3-pointand/or0-10Volt

controlled),circuit1
Alternative:Thermoactuator(DanfosstypeABV)

M2

Motorizedcontrolvalve(3-pointand/or0-10Volt
controlled),circuit2
Alternative:Thermoactuator(DanfosstypeABV)

M3

Motorizedcontrolvalve(3-pointand/or0-10Volt
controlled),circuit3
Alternative:Thermoactuator(DanfosstypeABV)

X4

*)

Extraoutput(Schedule4)
Usedfor0-10Voltcontrolofmotorizedcontrolvalve.

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OperatingGuideECLComfort310,applicationA390

ThebasicprinciplesforaDomesticHotWatercircuit(DHW)

(examplereferringtoA390.11,circuit4)

Bymeansofaweekschedule(upto3'Comfort'periods/day),the
DHWcircuitcanbein'Comfort'or'Saving'mode(twodifferent
temperaturevaluesforthedesiredDHWtemperatureatS6).

TheDHWheatingtemperaturesensorS3isthemostimportant
sensor.IfthemeasuredDHWtemperature(S6)getslowerthanthe
desiredDHWtemperature,theDHWheatingpump(P4)isswitched
ONandtheheatingcirculationpumpP1isswitchedOFF.

ThemotorizedcontrolvalveM1iscontrolledinordertomaintain
theDHWheatingtemperatureatS3.

TheDHWheatingtemperatureisdeterminedbythedesiredDHW
temperatureatS6plusthechargingdifference.

TheDHWchargingpumpP7canbeswitchedONdependingon1)
theDHWheatingtemperatureisreached,or2)adelay.

TheDHWheatingtemperatureatS3istypically5–10degrees
higherthanthedesiredDHWtemperature.

DHWtankwith1temperaturesensor(S6):

WhenthemeasuredDHWtemperature(S6)getshigherthanthe
desiredDHWtemperature,theDHWheatingpump(P4)andthe
DHWchargingpump(P7)areswitchedOFF.Thepost-runtimecan
besetindividually.

TypicalA390.11application:(upto3xheating,1xDHW)

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.

DHWtankwith2temperaturesensors(S6,upperandS8,
lower):

WhenthemeasuredDHWtemperature(S6)getshigherthanthe
desiredDHWtemperatureandthetemperatureatS8getshigher
thanthecut-outtemperature,theDHWheatingpump(P4)and
theDHWchargingpump(P7)areswitchedOFF.Thepost-runtime
canbesetindividually.

Thereturntemperature(S5)canbelimited,forexamplenottobe
toohigh.Ifso,thedesiredflowtemperatureatS3canbeadjusted
(typicallytoalowervalue),thusresultinginagradualclosingofthe
motorizedcontrolvalve.
Aflow/powerlimitationcanbearrangedbyusinganM-busbased
signalfromaflow/heatmeter.

A390.12:

TheDHWheatingcircuithasapreheatingcircuit,wheretheDHW
heatingtemperatureatS9isadaptedtothedesiredDHWcharging
temperatureatS7.IftheDHWchargingtemperatureatS7cannot
bereached,theECLcontrollergraduallyincreasesthedesiredDHW
heatingtemperatureatS9inordertoobtaintheDHWcharging
temperature.Amaximumtemperaturevaluecanbeset.

A390.12:

TheDHWcirculationcanbethroughtheDHWtank(connectionA)
orthroughtheheat-exchanger(connectionB).Thesolutionwith
connectionAresultsinclosingofthemotorizedcontrolvalveafter
theDHWtankchargingprocedure.Thesolutionwithconnection
BisusedtocompensatefortheheatlossintheDHWcirculation
pipe.Furthermore,afterDHWtankcharging,theDHWheating
temperature(atS7)iscontrolledaccordingtothedesiredDHW
temperature.

Listofcomponents:

ECL310
ECA32
S1
S2
S3
S4
S5
S6
S7
S8

ElectroniccontrollerECLComfort310
Built-inextensionmodule*)
Outdoortemperaturesensor
(Optional)Returntemperaturesensor,circuit2
Flowtemperaturesensor,circuit1
Flowtemperaturesensor,circuit2
(Optional)Returntemperaturesensor,circuit1
DHWtanktemperaturesensor,upper,circuit4
(Optional)Roomtemperaturesensor,circuit1/2/3
(Optional)DHWtanktemperaturesensor,lower,

circuit4
S9
S10
P1
P2
P3
P4
P5
P7
M1

Flowtemperaturesensor,circuit3

(Optional)Returntemperaturesensor,circuit3

Circulationpump,circuit1

Circulationpump,circuit2

DHWcirculationpump,circuit4

DHWheatingpump,circuit4

Circulationpump,circuit3

DHWchargingpump,circuit4

Motorizedcontrolvalve(3-pointand/or0-10Volt

controlled),circuit1

Alternative:Thermoactuator(DanfosstypeABV)
M2

Motorizedcontrolvalve(3-pointand/or0-10Volt

controlled),circuit2

Alternative:Thermoactuator(DanfosstypeABV)
M3

Motorizedcontrolvalve(3-pointand/or0-10Volt

controlled),circuit3

Alternative:Thermoactuator(DanfosstypeABV)
A1
*)

Alarm

Alsousedfor0-10Voltcontrolofmotorizedcontrol

valve.

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OperatingGuideECLComfort310,applicationA390

A390.13:

TheDHWheatinghaspriorityovertheheatingcircuits.
TheDHWcircuitisconsideredasthemastercircuitwhilethe
heatingcircuitsareslaves.
TemperaturesensorS9isthemostimportantsensor.
TheDHWcirculationcanbethroughtheDHWtank(connectionA)
orthroughtheheat-exchanger(connectionB).

Generalinformation:

The‘Frostprotection’modemaintainsaselectabletemperature,
forexample10°C.
Ananti-bacteriafunctionisavailableforactivationonselected
daysoftheweek.
Theoutdoortemperature(S1)isusedtoprotectthecirculation
circuitagainstfrost.
TheDHWcirculationpump(P3)hasaweekscheduleforupto3
ONperiodsperday.

Ameasuredtemperaturecanbeoffsetadjusted,ifneeded.

WhenanA390subtypehasbeenuploaded,theECLComfort
controllerstartsinmanualmode.Thiscanbeusedforcheckingthe
controlledcomponentsforcorrectfunctionality.

Theapplicationkeymustbeinsertedinordertochangesettings.

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OperatingGuideECLComfort310,applicationA390

TypicalA390.12application:

(upto2xheating,1xDHW)

TypicalA390.12application:(upto2xheating,1xDHW)

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL310

ECA32

S1

S2

S3

S4

S5

S6

S7

S8

ElectroniccontrollerECLComfort310

(notillustrated)*)

Outdoortemperaturesensor

(Optional)Returntemperaturesensor,circuit2

Flowtemperaturesensor,circuit1

Flowtemperaturesensor,circuit2

(Optional)Returntemperaturesensor,circuit1

DHWtanktemperaturesensor,upper,circuit3

DHWchargingtemperaturesensor,circuit3

(Optional)DHWtanktemperaturesensor,lower,

circuit3
S9

S10

P1

P2

P3

P4

P5

M1

DHWheatingtemperaturesensor,circuit3

(Optional)Returntemperaturesensor,circuit3

DHWheatingpump,circuit3

Circulationpump,circuit1

DHWcirculationpump,circuit3

DHWchargingpump,circuit3

Circulationpump,circuit2

Motorizedcontrolvalve(3-pointand/or0-10Volt

controlled),circuit3
M2

Motorizedcontrolvalve(3-pointand/or0-10Volt

controlled),circuit1

Alternative:Thermoactuator(DanfosstypeABV)
M3

Motorizedcontrolvalve(3-pointand/or0-10Volt

controlled),circuit2

Alternative:Thermoactuator(DanfosstypeABV)
A1

A/B

*)

Alarm

Internal/externalconnectionsforDHWcirculation

Usedfor0-10Voltcontrolofmotorizedcontrolvalve.

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OperatingGuideECLComfort310,applicationA390

TypicalA390.13application:

(1xDHW,upto2xheating)

TypicalA390.13application:(1xDHW,upto2xheating)

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL310

ECA32

S1

S2

S3

S4

S5

S6

S7

S8

ElectroniccontrollerECLComfort310

(notillustrated)*)

Outdoortemperaturesensor

(Optional)Returntemperaturesensor,circuit2

Flowtemperaturesensor,circuit1

Flowtemperaturesensor,circuit2

(Optional)Returntemperaturesensor,circuit1

DHWtanktemperaturesensor,upper,circuit3

(Optional)Roomtemperaturesensor,circuit1/2

(Optional)DHWtanktemperaturesensor,lower,
circuit3

S9

S10

P1

P2

P3

P4

P5

M1

DHWheatingtemperaturesensor,circuit3

(Optional)Returntemperaturesensor,circuit3

DHWheatingpump,circuit3

Circulationpump,circuit1

DHWcirculationpump,circuit3

DHWchargingpump,circuit3

Circulationpump,circuit2

Motorizedcontrolvalve(3-pointand/or0-10Volt
controlled),circuit3

M2

Motorizedcontrolvalve(3-pointand/or0-10Volt
controlled),circuit1
Alternative:Thermoactuator(DanfosstypeABV)

M3

Motorizedcontrolvalve(3-pointand/or0-10Volt
controlled),circuit2
Alternative:Thermoactuator(DanfosstypeABV)

A1

A/B

*)

Alarm

Internal/externalconnectionsforDHWcirculation

Usedfor0-10Voltcontrolofmotorizedcontrolvalve.

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Thecontrollerispre-programmedwithfactorysettingsthatareshown
inthe‘ParameterIDoverview’appendix.

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OperatingGuideECLComfort310,applicationA390

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.

SeetheInstallationGuideforapplicationsandsubtypes,delivered
withtheapplicationkey.

A390.1,ex.c
A390.11,ex.d

Circuit1mustbeabletoreceivetheheatdemandfromcircuit2
and/or3.

Issue:

Heatingcircuit(1):

Heatdemand

*Thisvalueisaddedtotheheatdemandvaluefromcircuit2and/
or3.

Circuit2and/or3mustbeabletosendtheheatdemandtocircuit

1.

Issue:

Heatingcircuit(2/3):

Heatdemand

A390.3,ex.b

Circuit1mustbeabletoreceivethecooldemandfromcircuit2
and/or3.

Issue:

Coolingcircuit(1):

Cooldemand

Navigation:

MENU\Settings\Application:
'Demandoffset'

Navigation:

MENU\Settings\Application:
'SenddesiredT'

Navigation:

MENU\Settings\Application:
'Demandoffset'

IDno.:

11017

IDno.:

12500
13500

IDno.:

11017

Recommended
setting:

3K*

Recommended
setting:

ON
ON

Recommended
setting:

-3K*

Thisvalueisaddedtothecooldemandvaluefromcircuit2and/
or3.

Circuit2and/or3mustbeabletosendthecooldemandtocircuit

1.

Issue:

Coolingcircuit(2/3):

Cooldemand

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Navigation:

MENU\Settings\Application:
'SenddesiredT'

IDno.:

12500
13500

Recommended
setting:

ON
ON

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OperatingGuideECLComfort310,applicationA390

Adviceforsettings:

A390.11,ex.c

Onepumpandchange-overvalvesystem:

Issue:

DHWcircuit(4):

Change-overvalve

A390.11,ex.e

DHWheatingconnectedprimarily:

Issue:

DHWcircuit(4):

Change-overvalve

DHWcircuit(4):

Tankprimarily

A390.12,ex.a
A390.12,ex.b
A390.13,ex.a

DHWcirculationpipecanbeconnectedtotheDHWtankat'A'
forinternalcirculationortotheheat-exchangerat'B'forexternal
circulation.

Issue:

DHWcircuit(3):

InternalDHWcirculation

DHWcircuit(3):

ExternalDHWcirculation

Navigation:

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

Navigation:

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

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

Navigation:

MENU\Settings\Application:
'Cont.Tcontrol'

MENU\Settings\Application:
'Cont.Tcontrol'

IDno.:

14051

IDno.:

14051

14053

IDno.:

13054

13054

Recommended
setting:

OFF

Recommended
setting:

OFF

ON

Recommended
setting:

OFF

ON

A390.12,ex.b

Circuit1mustbeabletoreceivetheheatdemandfromcircuit2.

Issue:

Heatingcircuit(1):

Heatdemand

*Thisvalueisaddedtotheheatdemandvaluefromcircuit2.

Circuit2mustbeabletosendtheheatdemandtocircuit1.

Issue:

Heatingcircuit(2):

Heatdemand

16|©Danfoss|2021.06

Navigation:

MENU\Settings\Application:
'Demandoffset'

Navigation:

MENU\Settings\Application:
'SenddesiredT'

IDno.:

11017

IDno.:

12500

Recommended
setting:

3K*

Recommended
setting:

ON

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2.3Mounting

2.3.1MountingtheECLComfortcontroller

Foreasyaccess,youshouldmounttheECLComfortcontrollernear
thesystem.Selectoneofthefollowingmethodsusingthesame
basepart(codeno.087H3230):

•Mountingonawall

•MountingonaDINrail(35mm)

TheECLComfort310canonlybemountedintheECLComfort
310basepart.

Screws,PGcableglandsandrawlplugsarenotsupplied.

LockingtheECLComfort210/310controller

InordertofastentheECLComfortcontrollertoitsbasepart,secure
thecontrollerwiththelockingpin.

Topreventinjuriestopersonsorthecontroller,thecontrollerhasto
besecurelylockedintothebase.Forthispurpose,pressthelocking
pinintothebaseuntilaclickisheardandthecontrollernolonger
canberemovedfromthebase.

Ifthecontrollerisnotsecurelylockedintothebasepart,thereisarisk
thatthecontrollerduringoperationcanunlockfromthebaseandthe
basewithterminals(andalsothe230Va.c.connections)areexposed.
Topreventinjuriestopersons,alwaysmakesurethatthecontroller
issecurelylockedintoitsbase.Ifthisisnotthecase,thecontroller
shouldnotbeoperated!

Theeasywaytolockthecontrollertoitsbaseorunlockitistousea
screwdriveraslever.

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Mountingonawall

Mountthebasepartonawallwithasmoothsurface.Establishthe
electricalconnectionsandpositionthecontrollerinthebasepart.
Securethecontrollerwiththelockingpin.

MountingonaDINrail(35mm)

MountthebasepartonaDINrail.Establishtheelectrical
connectionsandpositionthecontrollerinthebasepart.Secure
thecontrollerwiththelockingpin.

DismountingtheECLComfortcontroller

Inordertoremovethecontrollerfromthebasepart,pulloutthe
lockingpinbymeansofascrewdriver.Thecontrollercannowbe
removedfromthebasepart.

Theeasywaytolockthecontrollertoitsbaseorunlockitistousea
screwdriveraslever.

18|©Danfoss|2021.06

BeforeremovingtheECLComfortcontrollerfromthebasepart,ensure
thatthesupplyvoltageisdisconnected.

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2.3.2MountingtheRemoteControlUnitsECA30/31

Selectoneofthefollowingmethods:

•Mountingonawall,ECA30/31

•Mountinginapanel,ECA30

Screwsandrawlplugsarenotsupplied.

Mountingonawall

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

Mountinginapanel

MounttheECA30inapanelusingtheECA30framekit(ordercode
no.087H3236).Establishtheelectricalconnections.Securethe
framewiththeclamp.PlacetheECA30inthebasepart.TheECA
30canbeconnectedtoanexternalroomtemperaturesensor.

TheECA31mustnotbemountedinapanelifthehumidity
functionistobeused.

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

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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OperatingGuideECLComfort310,applicationA390

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).

Thecommongroundterminalisusedforconnectionofrelevant
components(pumps,motorizedcontrolvalves).

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)
forapplicationspecificconnections.

AfusefortheECLComfortinstallationismax.10Atypically.

TheambienttemperaturerangefortheECLComfortinoperationis
0-55°C.Exceedingthistemperaturerangecanresultinmalfunctions.

Installationmustbeavoidedifthereisariskforcondensation(dew).

ECL210/310

22|©Danfoss|2021.06

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

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Maximumloadratings:

Relayterminals

Triac(=electronic
relay)terminals

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

0,2A/230Va.c.

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OperatingGuideECLComfort310,applicationA390

2.5.2Electricalconnections24Va.c.

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)
forapplicationspecificconnections.

Maximumloadratings:

Relayterminals

Triac(=electronic
relay)terminals

Maximumloadrating,ECA32

Max.voltage,relayoutputs

Max.loadonrelayoutputs

Max.loadonanalogue
outputs

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

1A/24Va.c.

250Va.c.

4Aforohmicload,2Afor
inductiveload

2mAeach(min.resistance
5KΩ)

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

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2.5.3Electricalconnections,safetythermostats,ingeneral

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)
forapplicationspecificconnections.

WhenSTisactivatedbyahightemperature,thesafetycircuitinthe
motorizedcontrolvalveclosesthevalveimmediately.

WhenST1isactivatedbyahightemperature(theTRtemperature),the
motorizedcontrolvalveisclosedgradually.Atahighertemperature
(theSTtemperature),thesafetycircuitinthemotorizedcontrolvalve
closesthevalveimmediately.

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OperatingGuideECLComfort310,applicationA390

2.5.4Electricalconnections,Pt1000temperaturesensorsandsignals

2.5.5Electricalconnections,Pt1000temperaturesensors

SeetheInstallationGuide(deliveredwiththeapplicationkey)for
sensorandinputconnections.

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A390:

Sensor

S1

S2

S3

S4

S5

S6

S7

S8

S9

S10

Description

Outdoortemp.sensor*

A390.1/2/3:Roomtemp.
sensor**

A390.11/12/13:Return
temp.sensor

Flowtemp.sensor***

Flowtemp.sensor***

Returntemp.sensor****ESM-11/ESMB/ESMC

A390.1/2/3:Returntemp.
sensor****

A390.11/12/13:DHWtank
temp.sensor,upper****

A390.1/2/3:Returntemp.
sensor****

A390.11/13:Roomtemp.
sensor**

A390.12:DHWcharging
temp.sensor****

A390.1/2/3:Roomtemp.
sensor**

A390.11/12/13:DHWtank
temp.sensor,lower****

A390.1/2/3/11/13:Flow
temp.sensor***

A390.12:DHWcharging
temp.sensor****

A390.1/2/3:Roomtemp.
sensor**

A390.11/12/13:Return
temp.sensor****

Type
(recomm.)

ESMT

ESM-10

ESM-11/ESMB/ESMC
/ESMU

ESM-11/ESMB/ESMC
/ESMU

ESM-11/ESMB/ESMC
/ESMU

/ESMU

ESM-11/ESMB/ESMC
/ESMU

ESMB/ESMU

ESM-11/ESMB/ESMC
/ESMU

ESM-10

ESM-11/ESMB/ESMC
/ESMU

ESM-10

ESMB/ESMU

ESM-11/ESMB/ESMC
/ESMU

ESM-11/ESMB/ESMC
/ESMU

ESM-10

ESM-11/ESMB/ESMC
/ESMU

*

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

**

Onlyforroomtemperaturesensorconnection.Theroom
temperaturesignalcanalsobeavailablefromaRemote
ControlUnit(ECA30/31).See'Electricalconnections,ECA
30/31'.

***

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

****

Thetemperaturesensormustbeconnectedinordertohave
thedesiredfunctionality.

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OperatingGuideECLComfort310,applicationA390

2.5.6Electricalconnections,ECA30/31

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

communicationbus)
Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).

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.

28|©Danfoss|2021.06

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

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

software(firmware)ofyourECLComfortcontroller.Pleasecontact
yourDanfosssalesoffice.

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Someapplicationsdonotcontainfunctionsrelatedtoactualroom
temperature.TheconnectedECA30/31willonlyfunctionasremote
control.

SetupproceduresforECA30/31:Seesection‘Miscellaneous’ .

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

Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).

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OperatingGuideECLComfort310,applicationA390

2.5.7Electricalconnections,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

2.5.8Electricalconnections,communication

Electricalconnections,Modbus

ECLComfort210:Non-galvanicisolatedModbusconnections
ECLComfort296:GalvanicisolatedModbusconnections
ECLComfort310:GalvanicisolatedModbusconnections

MaximumrecommendedlengthoftheECL485bus:
200-81m=119m

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2.5.9Electricalconnections,communication

Electricalconnections,M-bus

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

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OperatingGuideECLComfort310,applicationA390

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.

32|©Danfoss|2021.06

ECLComfort296

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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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OperatingGuideECLComfort310,applicationA390

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'.

34|©Danfoss|2021.06

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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OperatingGuideECLComfort310,applicationA390

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’:

36|©Danfoss|2021.06

DatawillbecopiedfromtheApplicationKeytothe
ECLController.
DatawillbecopiedfromtheECLControllertothe
ApplicationKey.

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

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OperatingGuideECLComfort310,applicationA390

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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OperatingGuideECLComfort310,applicationA390

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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OperatingGuideECLComfort310,applicationA390

2.8Navigation,ECLApplicationKeyA390

Parameterlist,applicationA390,Heating

Home
MENU

ScheduleSchedule

Settings

Sub-menu

IDnos.

Flow
temperature

Roomlimit

Returnlimit

Flow/Actual
powerlimitActuallimit

Optimization

1x178
1x177
1x004
1x182
1x183
1x015
1x031
1x032
1x033
1x034
1x035
1x036
1x037
1x085
11029
1x028

1x119
1x117
1x118
1x116
1x112
1x113
1x109
1x115
1x011
1x012
1x013
1x014
1x026
1x020
1x021
1x179
11043

Function

Heatcurve
Temp.max.
Temp.min.
DesiredT
Infl.-max.
Infl.-min.
Adapt.time
HighToutX1
LowlimitY1
LowToutX2
HighlimitY2
Infl.-max.
Infl.-min.
Adapt.time
Priority
DHW,ret.Tlimit
Con.T,ret.Tlim.

HighToutX1
LowlimitY1
LowToutX2
HighlimitY2
Adapt.time
Filterconstant
Inputtype
Units
Autosaving
Boost
Ramp
Optimizer
Pre-stop
Basedon
Totalstop
Summer,cut-out
Paralleloperation

A390

A390.1A390.2A390.11A390.12A390.13

(((((

(((((

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(((((

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(((((

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(((((

(((((

(((((

(((((

(((((

(((((

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(((

(((((

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(((((

(((((

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(((((

(((((

(((((

(((((

(((((

(((((

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(((((

(((((

(((((

(

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Parameterlist,applicationA390,Heating,continued

Home
MENU

Settings

HolidayHoliday

Alarm

Influence
overview

Sub-menu

IDnos.

Controlpar.

Application

Heatcut-out

Temp.monitor

Alarmoverview

Des.flowTInfluencesource

1x174
1x184
1x185
1x186
1x187
1x189
1x024
1x010
11017
11050
1x500
1x022
1x023
1x052
1x077
1x078
1x040
1x093
1x141
1x142
11393
11392
1x179
1x395
11397
11396
1x398
1x399

1x147
1x148
1x149
1x150

Function

Motorpr
Xp
Tn
Mrun
Nz
Min.act.time
Actuator
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
Win.start,month
Winter,cut-out
Winter,filter

Upperdifference
Lowerdifference
Delay
Lowesttemp.

A390

A390.1A390.2A390.11A390.12A390.13

(((((

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OperatingGuideECLComfort310,applicationA390

Parameterlist,applicationA390,Cooling

Home
MENU

ScheduleSchedule

Settings

Sub-menu

IDnos.

Flow
temperature

Roomlimit

Returnlimit

Compensation1

Compensation2

Flow/Actual
powerlimit

Controlpar.

1x018
1x019
1x178
1x177
1x015
1x182
1x183
1x030
1x037
1x035
1x036
1x160
1x061
1x062
1x063
1x164
1x065
1x066
1x067

1x111
1x112
1x113
1x109
1x115
1x114
1x174
1x184
1x185
1x186
1x187
1x189
1x024

Function

Des.Tcomfort
Des.Tsaving
Temp.max.
Temp.min
Adapt.time
Infl.-max.
Infl.-min.
Limit
Adapt.time
Infl.-max.
Infl.-min.
Limit
Adapt.time
Infl.-max.
Infl.-min.
Limit
Adapt.time
Infl.-max.
Infl.-min.

Limit
Adapt.time
Filterconstant
Inputtype
Units
Pulse
Motorpr
Xp
Tn
Mrun
Nz
Min.act.time
Actuator

A390

A390.3

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

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OperatingGuideECLComfort310,applicationA390

Parameterlist,applicationA390,Cooling,continued

Home
MENU

Settings

HolidayHoliday
InfluenceoverviewDes.flowTInfluencesource

Sub-menu

Application

IDnos.

1x010
11017
11050
1x500
1x022
1x023
1x070
1x092
1x040
1x141
1x142

Function

ECAaddr.
Demandoffset
Pdemand
SenddesiredT
Pexercise
Mexercise
PcoolT
StandbyT
Ppost-run
Ext.input
Ext.mode

A390

A390.3

(

(

(

(

(

(

(

(

(

(

(

(

(

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OperatingGuideECLComfort310,applicationA390

Parameterlist,applicationA390,DHW

Home

MENU

ScheduleSchedule
Schedulecirc.PSchedulecirc.P

Settings

Sub-menu

IDnos.

Tank
temperature

Returnlimit

Flow/powerlimitActual

Contr.par.

Application

13178
13177
1x193
1x195
1x194
1x152
13068
1x030
1x035
1x036
1x037

1x111
13112
13113
13109
13115
1x174
1x184
1x185
1x186
1x187
1x189
13017
13050
14051
14053
1x055
1x054
1x044
1x045
1x041
1x059
1x042
1x500
1x076
1x093
1x141
1x142

Function

Temp.max.
Temp.min.
Chargedifference
Startdifference
Stopdifference
Max.chargeT
FlowTadapt.time
Limit
Infl.-max.
Infl.-min.
Adapt.time

Limit
Adapt.time
Filterconstant
Inputtype
Units
Motorpr
Xp
Tn
Mrun
Nz
Min.act.time
Demandoffset
Pdemand
Ch.-o.valve/P
Tank,sec./prim.
Circ.Ppriority
Contr.Tcontrol
Max.DHWtime
DHWdeact.time
DHWPpost-run
Pchargedelay
Char.Ppost-run
SenddesiredT
Circ.PfrostT
Frostpr.T
Ext.input
Ext.mode

A390

A390.11A390.12A390.13

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((

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((

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((

((

((

((

((

((

((

((

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(((

(((

(((

(((

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Parameterlist,applicationA390,DHW,continued

Home
MENU

Settings

HolidayHoliday

Alarm

InfluenceoverviewDes.flowTInfluencesource

Sub-menu

IDnos.

Anti-bacteriaDay,days

Temp.monitor

Alarmoverview

1x147
1x148
1x149
1x150

Function

Starttime
Duration
DesiredT

Upperdifference
Lowerdifference
Delay
Lowesttemp.

A390

A390.11A390.12A390.13

(((

(((

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OperatingGuideECLComfort310,applicationA390

Parameterlist,applicationA390,Commoncontroller

Home
MENU

Sub-menu

Time&date
Schedule
Holiday
Inputoverview1
Inputoverview2
Inputoverview3
Inputoverview4
Log1
Log2
Log3
Log4
Outputoverride
Keyfunctions

System

IDnos.

Function

Newapplication
Application
Factorysetting
Copy
Keyoverview
ECLversion
Extension
Ethernet
Portalconfig.
M-busconfig.
Energymeters

Rawinput
overview
Alarm

Display
Communication
Language

A390.1A390.2A390.3A390.11A390.12A390.13

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((

((

((

((

((

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((

((

((

((

((

A390

(

((((

((((

((((

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(

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((((

((((

(

((((

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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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OperatingGuideECLComfort310,applicationA390

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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Settingthedesiredtemperature

Dependingonthechosencircuitandmode,itispossibletoenter
alldailysettingsdirectlyfromtheoverviewdisplays(seealsothe
nextpageconcerningsymbols).

Thesettingofthedesiredroomtemperatureisimportantevenifa
roomtemperaturesensor/RemoteControlUnitisnotconnected.

Ifthetemperaturevalueisdisplayedas

"--"

thesensorinquestionisnotconnected.

"---"

thesensorconnectionisshort-circuited.

Settingthedesiredroomtemperature

Thedesiredroomtemperaturecaneasilybeadjustedinthe
overviewdisplaysfortheheatingcircuit.

Action:Purpose:

Examples:

Desiredroomtemperature

Confirm

Adjustthedesiredroomtemperature

Confirm

Thisoverviewdisplayinformsaboutoutdoortemperature,actual
roomtemperatureaswellasdesiredroomtemperature.

Thedisplayexampleisforcomfortmode.Ifyouwanttochange
thedesiredroomtemperatureforsavingmode,choosethemode
selectorandselectsaving.

20.5

21.0

Thesettingofthedesiredroomtemperatureisimportantevenifa
roomtemperaturesensor/RemoteControlUnitisnotconnected.

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OperatingGuideECLComfort310,applicationA390

SettingthedesiredDHWtemperature

ThedesiredDHWtemperaturecaneasilybeadjustedinthe
overviewdisplaysfortheDHWcircuit.

Action:Purpose:

DesiredDHWtemperature

Examples:

50

Confirm

AdjustthedesiredDHWtemperature

55

Confirm

InadditiontotheinformationaboutdesiredandactualDHW
temperature,thetoday'sscheduleisvisible.

Thedisplayexampleindicatesthatthecontrollerisinscheduled
operationandincomfortmode.

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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OperatingGuideECLComfort310,applicationA390

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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OperatingGuideECLComfort310,applicationA390

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!

Manualcontrolof0–10voltcontrolledactuator:

Theactuatorsymbolhasavalue(in%)whichcanbechanged.The%
valueiscorrespondingtoavoltageintherange0–10volt.

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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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OperatingGuideECLComfort310,applicationA390

4.0Settingsoverview

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

SettingIDPage

Heatcurve

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

Des.TComfort

Des.TSaving

Basedon(optimizationbasedonroom/outdoortemp.)

Totalstop

Pexercise(pumpexercise)

Mexercise(valveexercise)

Actuator

Pre-stop(optimizedstoptime)

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

DHW,ret.Tlimit

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

1x00461

1x01093

1x01182

1x01283

1x01384

1x01484

1x01564

1x01793

1x01862

1x01962

1x02085

1x02185

1x02295

1x02395

1x02490

1x02686

1x02869

1x02970

1x03070

1x031

1x032

1x033

1x034

1x035

1x03672

1x03773

1x04095

1x04195

1x04296

1x04386

Factorysettingsincircuit(s)

1

60

79

106

106

113

113

114

114

71

71

71

71

71

23

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SettingIDPage

Max.DHWtime

DHWdeact.time(DHWdeactivationtime)

Pdemand

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

DHWpriority(closedvalve/normaloperation)

Tank,sec./prim.(Tanksecondarilyorprimarilyconnected)

Cont.Tcontrol

Circ.Ppriority

Pchargedelay(Chargingpump,delayedstart)

Limit(compensationtemp.,1.point)

Adapt.time(adaptationtime)

Infl.-max.(compensationtemp.,1.point)

Infl.-min.(compensationtemp.,1.point)

Limit(compensationtemp.,2.point)

Adapt.time(adaptationtime)

Infl.-max.(compensationtemp.,2.point)

Infl.-min.(compensationtemp.,2.point)

FlowTadapttime(Flowtemperature,adaptationtime)

PcoolT(coolingdemand)

Circ.PfrostT

PfrostT(circulationpump,frostprotectiontemp.)

PheatT(heatdemand)

Priority(priorityforreturntemp.limitation)

StandbyT

Frostpr.T(frostprotectiontemp.)

Inputtype

Limit(limitationvalue)

Adapt.time(adaptationtime)

Filterconstant

Units

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

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

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

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

Ext.input(externaloverride)

Ext.mode(externaloverridemode)

Upperdifference

Lowerdifference

Delay,example

Lowesttemp.

Max.chargeT(maximumheating/chargingtemperature)

Motorpr.(motorprotection)

1x04496

1x04596

1x05096

1x05197

1x05297

1x05397

1x05498

1x05598

1x05998

1x060

1x061

1x062

1x063

1x06476

1x06576

1x06676

1x06776

1x068108

1x07099

1x07699

1x07799

1x07899

1x08573

1x092100

1x093100

1x10979

1x111

1x11280

1x11380

1x115

1x11680

1x117

1x11881

1x11981

1x141

1x142101

1x147

1x148116

1x149

1x150

1x152108

1x174

Factorysettingsincircuit(s)

1

74

74

74

75

79

80

81

100

116

117

117

90

23

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SettingIDPage

Temp.min.

Temp.min.

Temp.max.

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

Startdifference

SenddesiredT

1x177

1x177

1x17862

1x178109

1x17987

1x18265

1x18365

1x18491

1x18591

1x18691

1x18791

1x18992

1x193109

1x194109

1x195

1x500103

Factorysettingsincircuit(s)

1

62

108

111

23

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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.

SomeparameterdescriptionsrefertoDuctorFloworInlet
temperaturebecausetheparametersinquestionareusedinother
applicationstoo.

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5.2Flowtemperature

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

Desiredflowtemperature

Outdoor

temp.

Desiredflowtemp.

A

BC

Your

settings

-30°C45°C75°C95°C

-15°C40°C60°C90°C

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

15°C25°C28°C35°C

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

MENU>Settings>Flowtemperature

Heatcurve

1

0.1...4.01.0

Theheatcurvecanbechangedintwoways:

1.Thevalueoftheslopeischanged(seeheatcurveexamples
onnextpage)

2.Thecoordinatesoftheheatcurvearechanged

Changethevalueoftheslope:

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

Slopechanges

Coordinatechanges

Changethecoordinates:

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

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Thecalculatedflowtemperaturecanbeinfluencedbythe‘Boost’and
‘Ramp’functionsetc.

Example:

Heatcurve:
Desiredflowtemp.:

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

Result:

Thedesiredflowtemperaturewillbecorrectedfrom50°Cto55°C.

1.0
50°C

22°C
5

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Choosingaheatcurveslope

Theheatcurvesrepresentthedesiredflowtemperatureatdifferentoutdoortemperaturesandatadesiredroomtemperatureof20°C.

Thesmallarrows()indicate6differentoutdoortemperaturevaluesatwhichyoucanchangetheheatcurve.

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

DesiredT(Desiredflowtemperature)

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

SeeAppendix“ParameterIDoverview”

MENU>Settings>Flowtemperature

Des.TComfort

SettingofdesiredflowtemperaturewhentheECLcontrollerisincomfort
mode.

1x004

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

1x018

Thissettinghasnoinfluenceifthecontrollerreceivesanexternalvalue
forthedesiredflowtemperature.

SeeAppendix“ParameterIDoverview”

MENU>Settings>Flowtemperature

Des.TSaving

SettingofdesiredflowtemperaturewhentheECLcontrollerisinsaving
mode.

1x019

SeeAppendix“ParameterIDoverview”

MENU>Settings>Flowtemperature

Temp.min.

1x177

SeeAppendix“ParameterIDoverview”

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

Thissettinghasnoinfluenceifthecontrollerreceivesanexternalvalue
forthedesiredflowtemperature.

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

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

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

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MENU>Settings>Flowtemperature

Temp.max.

1x178

SeeAppendix“ParameterIDoverview”

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

Thesettingof‘heatcurve’ispossibleforheatingcircuitsonly.

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

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5.3Roomlimit

Thissectionisonlyrelevantifyouhaveinstalledaroom
temperaturesensororaRemoteControlUnit.
Thecontrolleradjuststhedesiredflowtemperaturetocompensate
forthedifferencebetweenthedesiredandtheactualroom
temperature.
Iftheroomtemperatureishigherthanthedesiredvalue,the
desiredflowtemperaturecanbereduced.
The'Infl.-max.'(Influence,max.roomtemp.)determineshow
muchthedesiredflowtemperatureshouldbereduced.
Usethisinfluencetypetoavoidatoohighroomtemperature.The
controllerwillallowforfreeheatgains,i.e.solarradiationetc.
Iftheroomtemperatureislowerthanthedesiredvalue,thedesired
flowtemperaturecanbeincreased.
The'Infl.-min.'(Influence,min.roomtemperature)determines
howmuchthedesiredflowtemperatureshouldbeincreased.
Usethisinfluencetoavoidatoolowroomtemperature.
Atypicalsettingwillbe-4.0for'Infl.-max.'and4.0for'Infl.-min. '

Influence

‘Infl.-min.’(min.limitation)

Desiredroomtemperature
Actualroomtemperature

‘Infl.-max. ’(max.limitation)

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

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

Example1:

Theactualroomtemperatureis2degreestoohigh.
The‘Infl.-max.’issetto-4.0.
The‘Infl.-min.’issetto3.0.
Result:
Thedesiredflowtemperatureisdecreasedby2x-4.0=8.0degrees.

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

Example2:

Theactualroomtemperatureis3degreestoolow.
The‘Infl.-max.’issetto-4.0.
The‘Infl.-min.’issetto3.0.
Result:
Thedesiredflowtemperatureisincreasedby3x3.0=9.0degrees.

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MENU>Settings>Roomlimit

Adapt.time(adaptiontime)

Controlshowfasttheactualroomtemperatureadaptstothedesiredroom
temperature(Icontrol).

SeeAppendix“ParameterIDoverview”

OFF:

Thecontrolfunctionisnotinfluencedbythe'Adapt.
time'.

Minor

Thedesiredroomtemperatureisadaptedquickly.

value:
Major

Thedesiredroomtemperatureisadaptedslowly.

value:

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

1x015

Theadaptationfunctioncancorrectthedesiredroomtemperature
withmax.8Kxheatcurveslopevalue.

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.

Inapplicationsubtypes,whereaheatcurveslopevalueisnotpresent,
theheatcurveslopevalueissetto1:

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

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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

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.

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

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Example,maximumreturntemperaturelimitation;
returntemperaturegetshigherthanlimit

=

T

Temperature

=

Y

Temperature

=

X

Time

=

#1#

Returntemperature

=

#2#

Returntemperaturelimit

=

#3#

Desiredflowtemperature

=

#4#

Actionpoint

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Example,minimumreturntemperaturelimitation;
returntemperaturegetslowerthanlimit

=

T

Y

X

#1#

#2#

#3#

#4#

Temperature

=

Temperature

=

Time

=

Returntemperature

=

Returntemperaturelimit

=

Desiredflowtemperature

=

Actionpoint

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

ThereturntemperaturelimitationfortheDHWcircuitisbasedonthe
settingin'Limit(returntemp.limitation)' .

Theinfluencefactorsaresetintheheatingcircuit.

Ifthereturntemperaturelimitationvalueintheheatingcircuitis
higherthanthereturntemperaturelimitationvalueintheDHWcircuit,
thehighestvalueisused.

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MENU>Settings>Returnlimit

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

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

SeeAppendix“ParameterIDoverview”

Value:Setthereturntemperaturelimitation

MENU>Settings>Returnlimit

DHW,ret.Tlimit

WhenanaddressedslaveisactiveinDHW-tankheating/charging,the
returntemperaturelimitationinthemastercanbeset.
Notes:

•Themastercircuitmustbesettoreactonthedesiredflowtemperature
intheslave(s).See"Demandoffset"(ID11017).

•Theslave(s)mustbesettosendits/theirdesiredflowtemperatureto
themaster.See"SenddesiredT"(ID1x500).

SeeAppendix“ParameterIDoverview”

OFF:

Noinfluencefromslaves.Thereturntemperature
limitationisrelatedtosettingsin"Returnlimit" .

Value:

Returntemperaturelimitationvaluewhenslaveisin
DHWtankheating/chargingoperation.

1x028

1x029

#1#=Master,exampleA266,address15
#2#=Slave,exampleA237,address9
#3#=Slave,exampleA367,address6

MENU>Settings>Returnlimit

Limit(returntemp.limitation)

Setthereturntemperaturevalueyouacceptforthesystem.

1x030

SeeAppendix“ParameterIDoverview”

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

SomeexamplesofapplicationswithDHW-tankheating/chargingare:

•A217,A237,A247,A367,A377

ThereturntemperaturelimitationfortheDHWcircuitisbasedonthe
settingin'Limit(returntemp.limitation)' .

Theinfluencefactorsaresetinheatingcircuit1.

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MENU>Settings>Returnlimit

Ifthereturntemperaturelimitationvalueinheatingcircuit1ishigher
thanthereturntemperaturelimitationvalueintheDHWcircuit,the
highestvalueisused.

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

Settheoutdoortemperaturevalueforthelowreturntemperaturelimitation.

SeeAppendix“ParameterIDoverview”

ThecorrespondingYcoordinateissetin'LowlimitY1' .

MENU>Settings>Returnlimit

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

Setthereturntemperaturelimitationreferringtotheoutdoortemperature
valuesetin'HighToutX1' .

SeeAppendix“ParameterIDoverview”

ThecorrespondingXcoordinateissetin'HighToutX1' .

MENU>Settings>Returnlimit

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

Settheoutdoortemperaturevalueforthehighreturntemperature
limitation.

1x031

1x032

1x033

SeeAppendix“ParameterIDoverview”

ThecorrespondingYcoordinateissetin'HighlimitY2'.

MENU>Settings>Returnlimit

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

Setthereturntemperaturelimitationreferringtotheoutdoortemperature
valuesetin'LowToutX2' .

SeeAppendix“ParameterIDoverview”

ThecorrespondingXcoordinateissetin'LowToutX2' .

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MENU>Settings>Returnlimit

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

Determineshowmuchthedesiredflowtemperaturewillbeinfluencedifthe
returntemperatureishigherthanthecalculatedlimit.

SeeAppendix“ParameterIDoverview”

Influencehigherthan0:

Thedesiredflowtemperatureisincreased,whenthereturn
temperaturegetshigherthanthecalculatedlimit.

Influencelowerthan0:

Thedesiredflowtemperatureisdecreased,whenthereturn
temperaturegetshigherthanthecalculatedlimit.

1x035

=

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.

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

Example

Thereturnlimitisactiveabove50°C.
Theinfluenceissetto-2.0.
Theactualreturntemperatureis2degreestoohigh.
Result:
Thedesiredflowtemperatureischangedby-2.0x2=-4.0degrees.

Normally,thissettingislowerthan0indistrictheatingsystemsto
avoidatoohighreturntemperature.

Typically,thissettingis0inboilersystemsbecauseahigherreturn
temperatureisacceptable(seealso'Infl.-min. ').

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MENU>Settings>Returnlimit

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

Determineshowmuchthedesiredflowtemperaturewillbeinfluencedifthe
returntemperatureislowerthanthecalculatedlimit.

SeeAppendix“ParameterIDoverview”

Influencehigherthan0:

Thedesiredflowtemperatureisincreased,whenthereturn
temperaturegetsbelowthecalculatedlimit.

Influencelowerthan0:

Thedesiredflowtemperatureisdecreased,whenthereturn
temperaturegetsbelowthecalculatedlimit.

MENU>Settings>Returnlimit

Adapt.time(adaptationtime)

Controlshowfastthereturntemperatureadaptstothedesiredreturn
temperaturelimit(Integrationcontrol).

SeeAppendix“ParameterIDoverview”

OFF:

Thecontrolfunctionisnotinfluencedbythe‘Adapt.
time’ .

Minor

Thedesiredtemperatureisadaptedquickly.

value:
Major

Thedesiredtemperatureisadaptedslowly.

value:

Example

1x036

1x037

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

Normally,thissettingis0indistrictheatingsystemsbecausealower
returntemperatureisacceptable.

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

Theadaptationfunctioncancorrectthedesiredflowtemperature
withmax.8K.

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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5.5Compensation1

Alimitvalueforthecompensationtemperaturemakesitpossible
tochangethedesiredflow/ducttemperature.
Theinfluencefromthecompensationtemperaturecanresultin
anincreaseoradecreasedesiredflow/ducttemperature.The
compensationtemperatureisoftentheoutdoortemperaturebut
couldforexamplebearoomtemperature.
Thisapplicationcontains2compensationtemperaturelimits:
Compensation1(Comp.1)andCompensation2(Comp.2).
Intheparameterdescriptions"Sx"isusedforthecompensation
temperature.

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Compensation1

Limit(compensationtemp.,1.point)

Setthecompensationtemperaturelimitpoint1.

1x060

SeeAppendix“ParameterIDoverview”

WhenthecompensationtemperaturemeasuredbySxfallsbelow
orgetshigherthanthesetvalue,thecontrollerautomatically
changesthedesiredflow/ducttemperature.Theinfluenceisset
in'Infl.-max. 'and'Infl.-min.' .

MENU>Settings>Compensation1

Adapt.time(adaptationtime)

Controlshowfastthecompensation/surfacetemperatureinfluencesthe
desiredflow/ducttemperature.

1x061

SeeAppendix“ParameterIDoverview”

OFF:

Thecontrolfunctionisnotinfluencedbythe‘Adapt.
time’ .

Minor

Thedesiredflow/ducttemperatureisadaptedquickly.

value:
Major

Thedesiredflow/ducttemperatureisadaptedslowly.

value:
Value:Settheadaptationtime

Influence

Temp.Sx

Compensation1

Theadaptationfunctioncancorrectthedesiredflow/duct
temperaturewithmax.8K.

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MENU>Settings>Compensation1

Infl.-max.(compensationtemp.,1.point)

Determineshowmuchthedesiredflow/ducttemperaturewillbeinfluenced
ifthecompensationtemperatureishigherthanthesetlimit.

SeeAppendix“ParameterIDoverview”

Influencehigherthan0:

Thedesiredflow/ducttemperatureisincreased,whenthe
compensationtemperaturegetsabovethesetlimit.

Influencelowerthan0:

Thedesiredflow/ducttemperatureisdecreased,whenthe
compensationtemperaturegetsabovethesetlimit.

MENU>Settings>Compensation1

Infl.-min.(compensationtemp.,1.point)

Determineshowmuchthedesiredflow/ducttemperaturewillbeinfluenced
ifthecompensationtemperatureislowerthanthesetlimit.

SeeAppendix“ParameterIDoverview”

Influencehigherthan0:

Thedesiredflow/ducttemperatureisincreased,whenthe
compensationtemperaturegetsbelowthesetlimit.

Example

1x062

1x063

Thelimitvalueissetto5°C.
‘Infl.max.’issetto-1.5.
Theactualcompensationtemperatureis7°C(2degreesabovethe

limitvalue).
Result:
Thedesiredflow/ducttemperatureischangedby-1.5x2=-3.0

degrees.

Example

Thelimitvalueissetto5°C.
‘Infl.min.’issetto2.5.
Theactualcompensationtemperatureis2°C(3degreesbelowthe

limitvalue).
Result:
Thedesiredflow/ducttemperatureischangedby2.5x3=7.5

degrees.

Influencelowerthan0:

Thedesiredflow/ducttemperatureisdecreased,whenthe
compensationtemperaturegetsbelowthesetlimit.

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5.6Compensation2

Thisextracompensationtemperaturelimitsettingmakesitpossible
tochangethedesiredflow/ducttemperatureinrelationtoa
secondtemperaturelimitationpoint.Themeasuredcompensation
temperatureisthesameasinsection"Compensation1".
Intheparameterdescriptions"Sx"isusedforthecompensation
temperature.

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Compensation2

Limit(compensationtemp.,2.point)

Setthecompensationtemperaturelimitpoint2.

1x064

SeeAppendix“ParameterIDoverview”

WhenthecompensationtemperaturemeasuredbySxfallsbelow
orgetshigherthanthesetvalue,thecontrollerautomatically
changesthedesiredflow/ducttemperature.Theinfluenceisset
in'Infl.-max. 'and'Infl.-min.' .

MENU>Settings>Compensation2

Adapt.time(adaptationtime)

Controlshowfastthecompensationtemperatureinfluencesthedesired
flow/ducttemperature.

1x065

SeeAppendix“ParameterIDoverview”

OFF:

Thecontrolfunctionisnotinfluencedbythe‘Adapt.
time’ .

Minor

Thedesiredflow/ducttemperatureisadaptedquickly.

value:
Major

Thedesiredflow/ducttemperatureisadaptedslowly.

value:

Influence

Temp.Sx

Compensation2

Theadaptationfunctioncancorrectthedesiredflow/duct
temperaturewithmax.8K.

MENU>Settings>Compensation2

Infl.-max.(compensationtemp.,2.point)

Determineshowmuchthedesiredflow/ducttemperaturewillbeinfluenced
ifthecompensationtemperatureishigherthanthesetlimit.

SeeAppendix“ParameterIDoverview”

Influencehigherthan0:

Thedesiredflow/ducttemperatureisincreased,whenthe
compensationtemperaturegetsabovethesetlimit.

Influencelowerthan0:

Thedesiredflow/ducttemperatureisdecreased,whenthe
compensationtemperaturegetsabovethesetlimit.

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Example

1x066

Thelimitvalueissetto25°C.
‘Infl.max.'issetto2.5.
Theactualcompensationtemperatureis28°C(3degreesabovelimit

value).
Thedesiredflow/ducttemperatureischangedby2.5x3=7.5

degrees.

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MENU>Settings>Compensation2

Infl.-min.(compensationtemp.,2.point)

CircuitSettingrange

Determineshowmuchthedesiredflow/ducttemperaturewillbeinfluenced
ifthecompensationtemperatureislowerthanthesetlimit.

Factorysetting

SeeAppendix“ParameterIDoverview”

Influencehigherthan0:

Thedesiredflow/ducttemperatureisincreased,whenthe
compensationtemperaturegetsbelowthesetlimit.

Influencelowerthan0:

Thedesiredflow/ducttemperatureisdecreased,whenthe
compensationtemperaturegetsbelowthesetlimit.

Example

1x067

Thelimitvalueissetto25°C.
‘Infl.min.’issetto0.5.
Theactualcompensationtemperatureis23°C(2degreesbelowthe

limitvalue).
Result:
Thedesiredflow/ducttemperatureischangedby0.5x2=1.0degree.

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5.7Flow/powerlimit

Heatingcircuit

Afloworenergymetercanbeconnected(M-bussignal)totheECL
controllerinordertolimitthefloworconsumedpower.

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#

=

Outdoortemperature

=

Limitation,floworpower

=

HighTout(1x119)

=

LowTout(1x118)

=

Lowlimit(1x117)

=

Highlimit(1x116)

=

X

Y

#1#

#2#

#3#

Ifthe‘Adapt.time’istoohigh,thereisariskofunstablecontrol.

Time

=

Floworpower

=

Floworpowerlimit

=

Actualfloworenergy

=

Desiredflowtemperature

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DHWcircuit

Afloworenergymetercanbeconnected(M-bussignal)totheECL
controllerinordertolimitthefloworconsumedpower.
Whentheflow/powergetshigherthanthesetlimit,thecontroller
graduallyreducesthedesiredflowtemperaturetoobtainan
acceptablemax.floworpowerconsumption.

=

X

Y

#1#

#2#

#3#

Time

=

Floworpower

=

Floworpowerlimit

=

Actualfloworenergy

=

Desiredflowtemperature

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Flow/powerlimit

Inputtype

Choiceofinputtypefromflow/energymeter

SeeAppendix“ParameterIDoverview”

OFF:

EM1-

Noinput

Flow/energymetersignalfromM-bus.

EM5:

MENU>Settings>Flow/powerlimit

Actual(actualfloworpower)

Thevalueistheactualfloworpowerbasedonthesignalfromflow/energy
meter.

1x109

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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

Units

Choiceofunitsformeasuredvalues.

SeeAppendix“ParameterIDoverview”

Flowvaluesareexpressedasl/horm³/h
PowervaluesareexpressedaskW,MWorGW.

1x113

1x115

Listforsettingrangeof'Units':
l/h
m³/h
kW
MW
GW

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MENU>Settings>Flow/powerlimit

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

Settheflow/powerlimitationreferringtotheoutdoortemperatureset
in'LowToutX2' .

SeeAppendix“ParameterIDoverview”

ThecorrespondingXcoordinateissetin'LowToutX2' .

MENU>Settings>Flow/powerlimit

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

Settheflow/powerlimitationreferringtotheoutdoortemperaturesetin
'HighToutX1' .

SeeAppendix“ParameterIDoverview”

ThecorrespondingXcoordinateissetin'HighToutX1' .

MENU>Settings>Flow/powerlimit

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

Settheoutdoortemperaturevalueforthehighflow/powerlimitation.

1x116

1x117

Thelimitationfunctioncanoverruletheset'Temp.min'ofthedesired
flowtemperature.

1x118

SeeAppendix“ParameterIDoverview”

ThecorrespondingYcoordinateissetin'HighlimitY2'.

MENU>Settings>Flow/powerlimit

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

Settheoutdoortemperaturevalueforthelowflow/powerlimitation.

SeeAppendix“ParameterIDoverview”

ThecorrespondingYcoordinateissetin'LowlimitY1' .

1x119

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5.8Optimization

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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5.9Controlparameters

Controlofvalves

Themotorizedcontrolvalvesarecontrolledbymeansofeither
3-pointcontrolora0-10voltcontrolsignaloramixofthese.
Valvecontrol(heating):
Themotorizedcontrolvalveisopenedgraduallywhentheflow
temperatureislowerthanthedesiredflowtemperatureandvice
versa.
Valvecontrol(cooling):
Themotorizedcontrolvalveisoperatedoppositelyinrelationto
heatingapplication.
Thefollowingexplanationsforactuatortypesarerelatedtoheating
applications.
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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0-10voltcontrolledactuator
Thiselectricactuatorcontainsareversiblegear-motor.Acontrol
voltagebetween0and10voltcomesfromtheextensionmodule
ECA32inordertomanagethecontrolvalve.ThevoltageintheECL
Comfortcontrollerisexpressedasa%valueanddisplayedatthe
valvesymbol.Example:45%correspondsto4.5volt.
Whentheflowtemperature(forexampleatS3)islowerthan
thedesiredflowtemperature,thecontrolvoltageisgradually
increasedinordertograduallyincreasetheflow.Bythis,theflow
temperaturewillalignwiththedesiredtemperature.
Thecontrolvoltageremainsonaconstantvalueaslongastheflow
temperaturecorrespondstothedesiredtemperature.
Oppositely,whentheflowtemperatureishigherthanthedesired
flowtemperature,thecontrolvoltageisgraduallyreducedinorder
toreducetheflow.Again,theflowtemperaturealignswiththe
desiredtemperature.

Thermo-actuator,DanfosstypeABV

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.

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TheapplicationA390.1controlsthemotorizedcontrolvalvesby
meansof3-pointcontrol.

TheapplicationA390.2controlsthemotorizedcontrolvalvesby
meansofa0-10voltcontrolsignal.

TheapplicationsA390.3,A390.11,A390.12andA390.13cancontrol
themotorizedcontrolvalvesbymeansof3-pointcontroland0–
10Volt.Bothoutputtypesareactive.

Pleasesee‘Settingsinallheatingcircuits’section‘Control
parameters’ .

Applicationexample,A390.1

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Controlparameters

Actuator

ABV/GEAR

Selectionofvalveactuatortype.

ABV:

GEAR:

DanfosstypeABV(thermoactuator).
Gearmotorbasedactuator.

1x024

GEAR

Whenselecting"ABV",thecontrolparameters:

•Motorprotection(ID1x174)

•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

Recommendedforductsystemswithvariableload.

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.)

Thesetting"Mrun"isnotpresentwhenthevalveiscontrolledby
meansofa0-10voltsignal.

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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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5.10Application

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

Thedesiredflowtemperatureinthemastercircuitcanbeinfluencedbythe
demandforadesiredflowtemperatureinanothercontroller(slave)or
anothercircuit.
The‘Demandoffset’cancompensateforheatingorcoolinglossesbetween
masterandslavecontrolledsystems.
Circuit1isthemastercircuitinmostapplications.

SeeAppendix“ParameterIDoverview”

1x017

Heatingapplication

*

**

OFF:

Value:

heatingapplications:OFF/1...20K
coolingapplications:-20...-1K/OFF

heatingapplications:OFF
coolingapplications:OFF

Thedesiredflowtemperatureisnotinfluencedbythe
demandofanyothercontroller(slave)orcircuit.

Thedesiredflowtemperatureisincreased(heating)or
decreased(cooling)bythesetvaluein‘Demandoffset’ .

X

Y

#1#

#2#

#3#

Coolingapplication

=

Time

=

Desiredflowtemperatures

=

Demandoffset

=

Desiredflowtemperature,master

=

Desiredflowtemperature,slave

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=

X

Y

#1#

#2#

#3#

Heatingapplications:

Whensetting"Demandoffset"toavalue,thereturntemperature
limitationwillreactaccordingtothehighestheating/DHWlimitation
value.

Time

=

Desiredflowtemperatures

=

Demandoffset

=

Desiredflowtemperature,slave

=

Desiredflowtemperature,master

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MENU>Settings>Application

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

Pexercise(pumpexercise)

Exercisesthepumptoavoidblockinginperiodswithoutheating/cooling
demand.

SeeAppendix“ParameterIDoverview”

OFF:

ON:

Thepumpexerciseisnotactive.

ThepumpisswitchedONfor1minuteeverythirddayat
noon(12:14hours).

MENU>Settings>Application

Mexercise(valveexercise)

Exercisesthevalvetoavoidblockinginperiodswithoutheating/cooling
demand.

SeeAppendix“ParameterIDoverview”

OFF:

ON:

Thevalveexerciseisnotactive.

Thevalveopensfor7minutesandclosesfor7minutes
everythirddayatnoon(12:00hours).

1x022

1x023

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”

0:

Thecirculationpumpstopsimmediatelyafterheating
orcoolingstop.

Value:

ThecirculationpumpisONforthesettimeafterheating
orcoolingstop.

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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.

SeeAppendix“ParameterIDoverview”

Value:

Setthenumberofminutesforthepost-run.

MENU>Settings>Application

1x041

1x042

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.

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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'.

MENU>Settings>Application

1x050

Thecirculationpumpisalwayscontrolledaccordingtofrostprotection
conditions.

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.

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MENU>Settings>Application

Tank,sec./prim.(Tanksecondarilyorprimarily
connected)

ChoosewhethertheheatingoftheDHWtankisdependentontheflow
temperatureatS3.

SeeAppendix“ParameterIDoverview”

OFF:

TheDHWtankisplacedonthesecondarysideofthe
heatexchangerandtheS3temperaturedetermines
theDHWheating.

ON:

TheDHWtankisplacedontheprimarysideoftheheat
exchangerandtheS3temperaturehasnoinfluence
ontheDHWheating.

MENU>Settings>Application

Cont.Tcontrol

ThedesiredDHWheating/chargingtemperaturecanbeloweredwhenthe
DHWheating/chargingprocedurehaselapsed.

SeeAppendix“ParameterIDoverview”

OFF:

Thedesiredheating/chargingtemperatureislowered
to10°C.Typically,theDHWiscirculatedthroughthe
DHWtank.

ON:

Thedesiredheating/chargingtemperatureislowered
tothedesiredDHWtemperature.Typically,theDHW
iscirculatedthroughtheheatexchangerinorderto
compensatefortheheatlossintheDHWcirculation
pipe.

1x053

1x054

MENU>Settings>Application

Circ.Ppriority

ChoosewhethertheDHWcirculationpumpshouldbeONduringDHW
heating.

SeeAppendix“ParameterIDoverview”

OFF:

TheDHWcirculationpumpisswitchedOFFduringDHW
heating.

ON:

TheDHWcirculationpumpisnotswitchedOFFduring
DHWheating.

1x055

Whenthe'Circ.Ppriority'issettoOFF ,theschedulefortheDHW
circulationpumpisoverruled.

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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.

MENU>Settings>Application

PcoolT(coolingdemand)

Whenthedesiredflowtemperatureisbelowthesettemperaturein‘PcoolT’ ,
thecontrollerautomaticallyswitchesONthecirculationpump.

SeeAppendix“ParameterIDoverview”

Value:

ThecirculationpumpisswitchedONwhenthedesired
flowtemperatureisbelowthesetvalue.

1x059

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

1x070

Thevalveisfullyclosedaslongasthepumpisnotswitchedon.

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

StandbyT

Setthedesiredflowtemperatureforthecontrollerwhenitisinstandby
mode.

1x092

SeeAppendix“ParameterIDoverview”

Value:

Desiredflowtemperatureatstandby.

MENU>Settings>Application

Frostpr .T(frostprotectiontemp.)

SetthedesiredflowtemperatureattheflowtemperaturesensorS3to
protectthesystemagainstfrost(atheatingcut-out,totalstopetc.).
Whentheflowtemperaturegetslowerthanthesetting,themotorized
controlvalveopensgradually.

1x093

Thevalveisfullyclosedaslongasthepumpisnotswitchedon.

Thefrostprotectiontemperaturecanalsobesetinyourfavorite
displaywhenthemodeselectorisinfrostprotectionmode.

SeeAppendix“ParameterIDoverview”

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