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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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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