Danfoss P348 Operating guide

OperatingGuide

ECLComfort310,applicationP348

1.0TableofContents

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

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

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

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

2.2Identifyingthesystemtype......................................12

2.3Mounting...........................................................13

2.4Placingthetemperaturesensors................................17

2.5Electricalconnections.............................................19

2.6InsertingtheECLApplicationKey..............................26

2.7Checklist............................................................32

2.8Navigation,ECLApplicationKeyP348.........................33

3.0Dailyuse.........................................................38

3.1Howtonavigate...................................................38

3.2Understandingthecontrollerdisplay..........................39

3.3Ageneraloverview:Whatdothesymbolsmean?...........43

3.4Monitoringtemperaturesandsystem

components........................................................44

3.5Influenceoverview................................................45

3.6Manualcontrol.....................................................46

3.7Schedule............................................................47

4.0Settingsoverview............................................48

5.0Settings...........................................................51

5.1IntroductiontoSettings..........................................51

5.2Flowtemperature..................................................52

5.3Roomlimit..........................................................55

5.4Returnlimit.........................................................58

5.5Flow/powerlimit.................................................64

5.6Optimization........................................................68

5.7Controlparameters................................................74

5.8Flowmeter..........................................................80

5.9Application.........................................................82

5.10Heatcut-out........................................................90

5.11Tanktemperature..................................................93

5.12Anti-bacteria........................................................96

5.13Alarm................................................................98

5.14Alarmoverview..................................................102

6.0Commoncontrollersettings............................103

6.1Introductionto‘Commoncontrollersettings’..............103

6.2Time&Date.......................................................104

6.3Inputoverview...................................................105

6.4Log.................................................................106

6.5Outputoverride..................................................107

6.6Keyfunctions.....................................................108

6.7System.............................................................110

7.0Miscellaneous................................................117

7.1ECA30/31setupprocedures.................................117

7.2Overridefunction................................................125

7.3Severalcontrollersinthesamesystem......................128

7.4Frequentlyaskedquestions....................................131

7.5Definitions........................................................133

7.6Type(ID6001),overview.......................................137

7.7ParameterIDoverview..........................................138

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OperatingGuideECLComfort310,applicationP348

1.1Importantsafetyandproductinformation

1.1.1Importantsafetyandproductinformation

ThisOperatingGuideisassociatedwiththeECLApplicationKey
P348(codeno.087H3843).

TheECLApplicationKeyP348containsonesubtype,P348.1,
whichisaheatingandanadvancedDomesticHotWater(DHW)
application.

SeetheInstallationGuideforelectricalconnections.

DescribedfunctionsarerealizedinECLComfort310whichalso
allowsM-bus,ModbusandEthernet(Internet)communication.
TheApplicationKeyP348complieswithECLComfort310
controllersasoffirmwareversion1.11.Thefirmware(controller
software)isvisibleatstart-upofthecontrollerandin'Common
controllersettings'in'System'.

UptotwoRemoteControlUnits,ECA30orECA31,canbe
connected.

TheapplicationP348workswithadditionalInternalI/Omodules:

•TheextensionmoduleECA32gives0-10Voltsignalforspeed
controlofDHWrelatedchargingandcirculationpump.

•TheextensionmoduleECA35gives0-10Voltsignalforspeed
controlofDHWrelatedchargingandcirculationpump.ECA35
canalsogivePWM*signalforspeedcontrolofthelistedpumps.

Acirculationpumpcanbeconsideredasacirculatortoo.

TheECLComfort310workswitheitheroneECA32oroneECA

35.TheInternalI/Omoduleinquestionisplacedinthebasepart

oftheECLComfort310.

*PWM=PulseWidthModulation

TogetherwiththeECLComfort310theadditionalInternalI/O
modulescanalsobeusedforextradatacommunicationtoSCADA:

•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.(codeno.087H3040)

•ECLComfort310B,230volta.c.(codeno.087H3050)

•ECLComfort310,24volta.c.(codeno.087H3044)

TheB-typehasnodisplayanddial.

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TheB-typeisoperatedbymeansoftheremotecontrolunit
ECA30/31:

•ECA30(codeno.087H3200)

•ECA31(codeno.087H3201)

InternalI/Omodules:

•ECA32(codeno.087H3202)

•ECA35(codeno.087H3205)

BasepartforECLComfort310,230voltand24volt:Codeno.
087H3230.

AdditionaldocumentationforECLComfort210and310,modules
andaccessoriesisavailableonhttp://heating.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.

Thissymbolindicatesthatthisparticularpieceofinformationshould
bereadwithspecialattention.

Applicationkeysmightbereleasedbeforealldisplaytextsare
translated.InthiscasethetextisinEnglish.

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OperatingGuideECLComfort310,applicationP348

Automaticupdateofcontrollersoftware(firmware):

Thesoftwareofthecontrollerisupdatedautomaticallywhenthekey
isinserted(asofcontrollerversion1.11(ECL210/310)andversion

1.58(ECL296)).Thefollowinganimationwillbeshownwhenthe
softwareisbeingupdated:

Progressbar

Duringupdate:

•DonotremovetheKEY
Ifthekeyisremovedbeforethehour-glassisshown,youhave
tostartafresh.

•Donotdisconnectthepower
Ifthepowerisinterruptedwhenthehour-glassisshown,the
controllerwillnotwork.

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

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

°C(degreesCelsius)isameasuredtemperaturevaluewhereasK
(Kelvin)oftenisusedfortemperaturedifferences.

TheIDno.isuniquefortheselectedparameter.

ExampleFirstdigitSeconddigitLastthreedigits

1117411174

-

12174

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

1

-

Circuit1Parameterno.

2

Circuit2Parameterno.

174

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ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

DisposalNote

Thisproductshouldbedismantledanditscomponents
sorted,ifpossible,invariousgroupsbeforerecycling
ordisposal.

Alwaysfollowthelocaldisposalregulations.

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OperatingGuideECLComfort310,applicationP348

2.0Installation

2.1Beforeyoustart

TheECLapplicationkeyP348containsonesubtype,P348.1.

Thisapplicationforheatingtemperaturecontrolandadvanced
DHWtemperaturecontrolisveryflexible.

Theheatingcircuit:

P348.1,ex.ashowstworadiatorcircuitsinparallel,eachcircuit
withitsownreturntemperaturesensorformonitoringpurpose.
P348.1,ex.bshowsoneradiatorcircuitwithitsownreturn
temperaturesensorformonitoringpurpose.
P348.1,ex.cshowstworadiatorcircuitsinparallel,eachcircuit
withitsownreturntemperaturesensorformonitoringpurpose.
P348.1,ex.dshowsoneradiatorcircuitwithitsownreturn
temperaturesensorformonitoringpurpose.

Temperaturecontrolofheatingcircuit:

Theflowtemperatureisadjustedaccordingtoyourrequirements.
TheflowtemperaturesensorS3isthemostimportantsensorand
mustbeconnected.DesiredflowtemperatureatS3iscalculated
intheECLcontroller,basedontheoutdoortemperatureS1and
thedesiredroomtemperature.
Ingeneral,thelowertheoutdoortemperature,thehigherthe
desiredflowtemperature.

Bymeansofaweekschedule,theheatingcircuitcanbein‘Comfort’
or‘Saving’mode(twovaluesforthedesiredroomtemperature).In
Savingmodetheheatingcanbereducedorswitchedofftotally.
ThemotorizedcontrolvalveM2isopenedgraduallywhenthe
flowtemperatureislowerthanthedesiredflowtemperatureand
viceversa.
ThereturntemperatureS5canbelimited,forexamplenottobe
toohigh.Ifso,thedesiredflowtemperatureatS3canbeadjusted
(typicallytoalowervalue),whichresultsinagradualclosingof
themotorizedcontrolvalve.Furthermore,thereturntemperature
limitationcanbedependentontheoutdoortemperature.
Typically,thelowertheoutdoortemperature,thehigherthe
acceptedreturntemperature.
Inboiler-basedheatingsupplythereturntemperatureshouldnot
betoolow(sameadjustmentprocedureasabove).

Ifthemeasuredroomtemperature(viaECA30/31)doesnotequal
thedesiredroomtemperature,thedesiredflowtemperaturecan
beadjusted.

Thecirculationpump,P2,isONatheatdemandoratfrost
protection.
TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis
higherthanaselectablevalue.

ReturntemperaturesensorsS11andS12areusedformonitoring
purposeonly.
PressuresensorsS15andS16areusedformonitoringpurpose.
Furthermore,analarmcanbeactivatedifthepressuregetshigher
thanasetvalueorlowerthananothersetvalue.

P348.1,ex.a,heating(circuitsAandB)andDHWtemperaturecontrol.
PumpsinDHWcircuitcanbe0–10Voltcontrolled.

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:
ECL310
ECA32

S1
S2
S3
S4

S5Returntemperaturesensor,circuit1
S6
S7
S8
S9
S10
S11Returntemperaturesensor,circuit1A
S12Returntemperaturesensor,circuit1B
S15
S16
F1
P1
V1

P2
P3
V3
M1
M2
A1

ECLComfort310controller
Built-inextensionmodule,0-10Voutputsfor

pumpspeedcontrol
Outdoortemperaturesensor
Supplytemperaturesensor
(mandatory)Flowtemperaturesensor,circuit1
(mandatory)DHWflowtemperaturesensor,circuit

2

(mandatory)Upperbuffertemperaturesensor
Bufferflowtemperaturesensor
Lowerbuffertemperaturesensor
DHWcirculationreturntemperaturesensor
Bufferreturntemperaturesensor

Supplyreturnpressuresensor
Supplyflowpressuresensor
Flowmeter(signaltype:Pulse)
DHWbufferchargingpump(ON-OFFcontrolled)
SpeedcontrolofDHWbufferchargingpump(0-

10V)
Circulationpump(ON-OFFcontrolled),circuit1
DHWcirculationpump(ON-OFFcontrolled)
SpeedcontrolofDHWcirculationpump(0-10V)
Motorizedcontrolvalve(ON-OFFcontrolled)
Motorizedcontrolvalve(3-pointcontrolled)
Alarm

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AconnectedfloworenergymeterbasedonM-bussignalcanlimit
thefloworenergytoasetmaximumvalue.Furthermore,the
limitationcanbeinrelationtotheoutdoortemperature.Typically,
thelowertheoutdoortemperature,thehighertheacceptedflow/
power.

Thefrostprotectionmodemaintainsaselectableflowtemperature,
forexample10°C.

TheheatingcircuitcanactasmasterandviatheECL485
communicationbusfulfiltheheatdemandfromslavecircuits.

Exerciseofcirculationpumpandcontrolvalveinperiodswithout
heatingdemandcanbearranged.

TheDHW(DomesticHotWater)circuit:

P348.1,ex.aandP348.1,ex.brunwiththeextensionmodule
ECA32only.Thisallowsforspeedcontrolbymeansofvoltage
signalofchargingpumpP1/V1andcirculationpumpP3/V3.

P348.1,ex.candP348.1,ex.dcanrunwiththeextension
moduleECA32(speedcontrol(bymeansofvoltagesignal)ofthe
pumpsP1/V1andP3/V3)—orrunwiththeextensionmodule
ECA35forspeedcontrol(bymeansofvoltageorPWMsignal)of
thepumpsP1/V1andP3/V3.

Temperaturecontrolofbuffer:

ThedesiredDHWtemperatureatS4determinesthebuffer
chargingprocedure.TheDHWtemperaturesensorS4andupper
buffertemperaturesensorS6arethemostimportantsensorsand
mustbeconnected.

ThedesiredbuffertemperatureatS6isbasedonthedesired
DHWtemperatureatS4andaset"Demandoffset"(=Charging
difference).

P4hasanON/OFFfunction.M1followsP4tobeeitherfullyopen
orfullyclosed.

Startbufferchargingprocess:

1.BuffertemperatureS6temperaturegetslowerthan('Desired
DHWtemperature'+'Demandoffset'+'Startdiff. ').

Anexample:60°C+6K+(-2K)=64°C

2.P4isswitchedON;M1iscommandedtoopen

P348.1,ex.b,heating(circuitA)andDHWtemperaturecontrol.Pumpsin
DHWcircuitcanbe0–10Voltcontrolled.

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:
ECL310
ECA32

ECLComfort310controller
Built-inextensionmodule,0-10Voutputsfor

pumpspeedcontrol
S1
S2
S3
S4

Outdoortemperaturesensor

Supplytemperaturesensor

(mandatory)Flowtemperaturesensor,circuit1

(mandatory)DHWflowtemperaturesensor,circuit

2
S5Returntemperaturesensor,circuit1
S6
S7
S8
S9
S10

(mandatory)Upperbuffertemperaturesensor

Bufferflowtemperaturesensor

Lowerbuffertemperaturesensor

DHWcirculationreturntemperaturesensor

Bufferreturntemperaturesensor
S11Returntemperaturesensor,circuit1A
S15
S16
F1
P1
V1

Supplyreturnpressuresensor

Supplyflowpressuresensor

Flowmeter(signaltype:Pulse)

DHWbufferchargingpump(ON-OFFcontrolled)

SpeedcontrolofDHWbufferchargingpump(0-

10V)
P2
P3
V3
M1
M2
A1

Circulationpump(ON-OFFcontrolled),circuit1

DHWcirculationpump(ON-OFFcontrolled)

SpeedcontrolofDHWcirculationpump(0-10V)

Motorizedcontrolvalve(ON-OFFcontrolled)

Motorizedcontrolvalve(3-pointcontrolled)

Alarm

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OperatingGuideECLComfort310,applicationP348

Stopbufferchargingprocess:

1.a

S6connectedand'Stopdiff. 'hasanegativevalue

BuffertemperatureS6temperaturegetshigherthan('Desired
DHWtemperature'+'Demandoffset').

Anexample:60°C+6K=66°C

1.b

S6connectedand'Stopdiff. 'hasa

positivevalue:

BuffertemperatureS6temperaturegetshigherthan('Desired
DHWtemperature'+'Demandoffset'+'Stopdiff.').

Anexample:60°C+6K+4K=70°C

1.c

S6andS8connectedand'Stopdiff.'hasa

negativevalue:

BuffertemperatureS6temperaturegetshigherthan('Desired
DHWtemperature'+'Demandoffset')ANDS8temperature
getshigherthan('DesiredDHWtemperature'+'Demandoffset'
+'Stopdiff. ').

Anexample:S6higherthan(60°C+6K=66°C)ANDS8higher
than(60°C+6K+(-8K)=58°C).

1.d

S6andS8connectedand'Stopdiff.'hasapositivevalue:

BuffertemperatureS6temperaturegetshigherthan('Desired
DHWtemperature'+'Demandoffset')ANDS8temperature
getshigherthan('DesiredDHWtemperature'+'Demandoffset'
+'Stopdiff. ').

Anexample:S6higherthan(60°C+6K=66°C)ANDS8higher
than(60°C+6K+(8K)=74°C).

2.P4isswitchedOFF;M1iscommandedtoclose

P348.1,ex.c,heating(circuitsAandB)andDHWtemperaturecontrol.
PumpsinDHWcircuitcanbe0–10VoltorPWMcontrolled.

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:
ECL310
ECA32

ECLComfort310controller
Built-inextensionmodule,0-10Voutputsfor

pumpspeedcontrol

ECA35

Built-inextensionmodule,0-10Voutputsand

PWMoutputsforpumpspeedcontrol
S1
S2
S3
S4

Outdoortemperaturesensor

Supplytemperaturesensor

(mandatory)Flowtemperaturesensor,circuit1

(mandatory)DHWflowtemperaturesensor,circuit

2
S5Returntemperaturesensor,circuit1
S6
S7
S8
S9
S10

(mandatory)Upperbuffertemperaturesensor

Bufferflowtemperaturesensor

Lowerbuffertemperaturesensor

DHWcirculationreturntemperaturesensor

Bufferreturntemperaturesensor
S11Returntemperaturesensor,circuit1A
S12Returntemperaturesensor,circuit1B
F1
P1
V1

Flowmeter(signaltype:Pulse)

DHWbufferchargingpump(ON-OFFcontrolled)

SpeedcontrolofDHWbufferchargingpump(0-

10V)
P2
P3
V3
M1
M2
A1

Circulationpump(ON-OFFcontrolled),circuit1

DHWcirculationpump(ON-OFFcontrolled)

SpeedcontrolofDHWcirculationpump(0-10V)

Motorizedcontrolvalve(ON-OFFcontrolled)

Motorizedcontrolvalve(3-pointcontrolled)

Alarm

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OperatingGuideECLComfort310,applicationP348

TemperaturecontrolofDHW:

ThedesiredDHWtemperatureatS4determinesthetemperature
control.
Bymeansofaweekschedule(upto3'Comfort'periods/day),the
DHWcircuitcanbein'Comfort'or'Saving'mode(twodifferent
temperaturevaluesforthedesiredDHWtemperatureatS4).
TheDHWflowtemperaturesensorS4andtheDHWcirculation
returntemperaturesensorS9arethemostimportantsensorsand
mustbeconnected.IfS4isnotconnected,thecontrolpumpP1/
V1willstop.IfS9isnotconnected,theDHWcirculationpumpwill
operateat100%speed.

ThecontrolpumpP1/V1isgraduallyincreasedinspeedwhenthe
DHWflowtemperatureislowerthanthedesiredDHWtemperature
andviceversa.
ThesupplytemperatureS7isusedtocompensatetheproportional
bandXpinordertoimprovethetemperaturecontrolatdifferent
supplytemperatures.

TemperaturecontroloftheDHWcirculationpipeatS9ensuresthe
desiredtemperaturebymeansofspeedcontrolofP3/V3.
Aweekschedule(upto3'Comfort'periods/day)controlsthe
DHWcirculationpumptobeONorOFF .IfinOFFmode,theDHW
temperaturecontrolwillbedisabled.

ThecoldwaterflowsignalfromF1canbeusedtooverridethe
controlvalveinordertooptimizetheDHWtemperaturecontrol.
Thispro-activefunctionalitycompensatesforthedelaybeforethe
flowtemperaturesensorS4measuresachangeintemperature.
Ananti-bacteriafunctionfortheDHWcircuitisavailablefor
activationonselecteddaysoftheweek.Theanti-bacteriafunction
canbesettoincludetheDHWcirculation.

P348.1,ex.d,heating(circuitA)andDHWtemperaturecontrol.Pumpsin
DHWcircuitcanbe0–10VoltorPWMcontrolled.

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:
ECL310
ECA32

ECLComfort310controller
Built-inextensionmodule,0-10Voutputsfor

pumpspeedcontrol

ECA35

Built-inextensionmodule,0-10Voutputsand

PWMoutputsforpumpspeedcontrol
S1
S2
S3
S4

Outdoortemperaturesensor

Supplytemperaturesensor

(mandatory)Flowtemperaturesensor,circuit1

(mandatory)DHWflowtemperaturesensor,circuit

2
S5Returntemperaturesensor,circuit1
S6
S7
S8
S9
S10

(mandatory)Upperbuffertemperaturesensor

Bufferflowtemperaturesensor

Lowerbuffertemperaturesensor

DHWcirculationreturntemperaturesensor

Bufferreturntemperaturesensor
S11Returntemperaturesensor,circuit1A
F1
P1
V1

Flowmeter(signaltype:Pulse)

DHWbufferchargingpump(ON-OFFcontrolled)

SpeedcontrolofDHWbufferchargingpump(0-

10V)
P2
P3
V3
M1
M2
A1

Circulationpump(ON-OFFcontrolled),circuit1

DHWcirculationpump(ON-OFFcontrolled)

SpeedcontrolofDHWcirculationpump(0-10V)

Motorizedcontrolvalve(ON-OFFcontrolled)

Motorizedcontrolvalve(3-pointcontrolled)

Alarm

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OperatingGuideECLComfort310,applicationP348

P348,ingeneral

UptotwoRemoteControlUnits,ECA30/31,canbeconnectedto
oneECLcontrollerinordertocontroltheECLcontrollerremotely.

AdditionalECLComfortcontrollerscanbeconnectedviatheECL
485businordertoutilizecommonoutdoortemperaturesignal,
timeanddatesignals.
TheECLcontrollersintheECL485systemcanworkinmaster­slavesystem.

Whenconnectinganoverrideswitchorarelaycontacttoan
unusedinputtheECL310'sschedulecanbeoverriddento:

•Comfortmode

•Savingmode

•Frostprotectionmodeor

•Constanttemperaturemode(keepingasetdesiredflow
temperature).

ModbuscommunicationtoaSCADAsystemcanbeestablished.

Heat-meters:
Upto5heat-meterscanbeconnectedtotheM-busterminals.
M-busdatacanbetransferredtotheSCADAsystemviaModbus
andTCP/IPtotheECLPortal.

AlarmA1(=relay6)canbeactivatedif:

•Theactualflowtemperaturediffersfromthedesiredflow
temperature.

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

Ameasuredtemperaturecanbeoffsetadjusted,ifneeded.

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OperatingGuideECLComfort310,applicationP348

PWM(PulseWidthModulation)

A200HzfrequencyisappliedtothePWMcontrolledpump.The
dutycycle(thepercentageoftheperiodtime)determinesthe
pumpspeed.

Pumpspeed,PWMor0–10Voltcontrolled

Sometypesofspeedcontrolledpumpsarelimitedtoaminimum
speed,forexample30%(PWMor3.0Volt).Eveniftheapplied
control%getslowerthan30%,thepumpspeedremainsonthe
minimumlevel*.
Furthermore,whentheappliedcontrol%getsbelow,forexample,
10%,thepumpswitchesOFF.Inordertogetthepumpswitched
ONagain,theappliedcontrol%mustexceed20%.

Thisbehaviorcan,atlowloadoratoobigpump,causeunstable
temperatureregulation.Toavoidthis,theP348hasafunction
wheretheappliedcontrolsignalisconvertedintoapulsedsignal.
Thepumpisshortlystoppedandthenstartedagain.Theresultisa
pumpspeedcontrolalsobelowtheminimumspeedlevel.
Theparameters"PWMperiod"(ID12565)and"Adapttime"(ID

12065)areusedforthisfunctionality.

*)Seethepumpmanufacturer'sdatasheet

Commissioning

WhentheP348applicationhasbeenuploadedtheECLComfort
310controllerstartsinManualmode.Thiscanbeusedtoverify
correctconnectionsoftemperature,pressureandflowsensors.
Alsoverifyingthecontrolledcomponentsforcorrectfunctionality
canbedone.

Dependingonsystemtype,itmightbenecessarytochangesome
factorysettingsindividuallyinordertooptimizethefunctionality.

Theapplicationkeymustbeinsertedinordertochangesettings.

Important:

•Setthecorrectrunningtime"Mrun"oftheMotorizedControl
ValveM2.(Circuit1>MENU>Settings>Controlparameters
>Mrun).

•SetaminimumspeedofP1/V1andensurethatthepumpruns
constantly.(Circuit2>MENU>Settings>Controlpar.1>Vout
min.).Seepumpmanufacturer'smanual.

•Verifyifthespeedcontrolledpumpsshouldbereversed
controlled.(Circuit2/3>MENU>Settings>Controlpar.>
Reverseout).Seepumpmanufacturer'smanual.

Thecontrollerispre-programmedwithfactorysettingsthatareshown
inthe‘ParameterIDoverview’appendix.

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OperatingGuideECLComfort310,applicationP348

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.

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OperatingGuideECLComfort310,applicationP348

2.3Mounting

2.3.1MountingtheECLComfortcontroller

SeetheInstallationGuidewhichisdeliveredtogetherwiththe
ECLComfortcontroller.

Foreasyaccess,youshouldmounttheECLComfortcontrollernear
thesystem.

ECLComfort210/296/310canbemounted

•onawall

•onaDINrail(35mm)

ECLComfort296canbemounted

•inapanelcut-out

ECLComfort210canbemountedinanECLComfort310basepart
(forfutureupgrade).

Screws,PGcableglandsandrawlplugsarenotsupplied.

LockingtheECLComfort210/310controller

InordertofastentheECLComfortcontrollertoitsbasepart,secure
thecontrollerwiththelockingpin.

Topreventinjuriestopersonsorthecontroller,thecontrollerhasto
besecurelylockedintothebase.Forthispurpose,pressthelocking
pinintothebaseuntilaclickisheardandthecontrollernolonger
canberemovedfromthebase.

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

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Mountingonawall

Mountthebasepartonawallwithasmoothsurface.Establishthe
electricalconnectionsandpositionthecontrollerinthebasepart.
Securethecontrollerwiththelockingpin.

MountingonaDINrail(35mm)

MountthebasepartonaDINrail.Establishtheelectrical
connectionsandpositionthecontrollerinthebasepart.Secure
thecontrollerwiththelockingpin.

Theeasywaytolockthecontrollertoitsbaseorunlockitistousea
screwdriveraslever.

DismountingtheECLComfortcontroller

Inordertoremovethecontrollerfromthebasepart,pulloutthe
lockingpinbymeansofascrewdriver.Thecontrollercannowbe
removedfromthebasepart.

Theeasywaytolockthecontrollertoitsbaseorunlockitistousea
screwdriveraslever.

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2.3.2MountingtheRemoteControlUnitsECA30/31

Selectoneofthefollowingmethods:

•Mountingonawall,ECA30/31

•Mountinginapanel,ECA30

Screwsandrawlplugsarenotsupplied.

Mountingonawall

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

BeforeremovingtheECLComfortcontrollerfromthebasepart,ensure
thatthesupplyvoltageisdisconnected.

Mountinginapanel

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

TheECA31mustnotbemountedinapanelifthehumidity
functionistobeused.

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2.3.3MountingtheinternalI/OmoduleECA32orECA35

TheECA32module(ordercodeno.087H3202)orECA35module
(ordercodeno.087H3205)canbeinsertedintotheECLComfort
310/310Bbasepartforadditionalinputandoutputsignalsin
relevantapplications.

ECA32

ECA35

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2.4Placingthetemperaturesensors

2.4.1Placingthetemperaturesensors

Itisimportantthatthesensorsaremountedinthecorrectposition
inyoursystem.

Thetemperaturesensormentionedbelowaresensorsusedforthe
ECLComfort210/296/310serieswhichnotallwillbeneeded
foryourapplication!

Outdoortemperaturesensor(ESMT)

Theoutdoorsensorshouldbemountedonthatsideofthebuilding
whereitislesslikelytobeexposedtodirectsunshine.Itshouldnot
beplacedclosetodoors,windowsorairoutlets.

Flowtemperaturesensor(ESMU,ESM-11orESMC)

Placethesensormax.15cmfromthemixingpoint.Insystems
withheatexchanger,DanfossrecommendsthattheESMU-typeto
beinsertedintotheexchangerflowoutlet.

Makesurethatthesurfaceofthepipeiscleanandevenwhere
thesensorismounted.

Returntemperaturesensor(ESMU,ESM-11orESMC)

Thereturntemperaturesensorshouldalwaysbeplacedsothatit
measuresarepresentativereturntemperature.

Roomtemperaturesensor
(ESM-10,ECA30/31RemoteControlUnit)

Placetheroomsensorintheroomwherethetemperatureistobe
controlled.Donotplaceitonoutsidewallsorclosetoradiators,
windowsordoors.

Boilertemperaturesensor(ESMU,ESM-11orESMC)

Placethesensoraccordingtotheboilermanufacturer’s
specification.

Airducttemperaturesensor(ESMB-12orESMUtypes)

Placethesensorsothatitmeasuresarepresentativetemperature.

DHWtemperaturesensor(ESMUorESMB-12)

PlacetheDHWtemperaturesensoraccordingtothemanufacturer’s
specification.

Slabtemperaturesensor(ESMB-12)

Placethesensorinaprotectiontubeintheslab.

ESM-11:Donotmovethesensorafterithasbeenfastenedinorderto
avoiddamagetothesensorelement.

ESM-11,ESMCandESMB-12:Useheatconductingpasteforquick
measurementofthetemperature.

ESMUandESMB-12:Usingasensorpockettoprotectthesensorwill,
however,resultinaslowertemperaturemeasurement.

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Pt1000temperaturesensor(IEC751B,1000Ω/0°C)

Relationshipbetweentemperatureandohmicvalue:

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2.5Electricalconnections

2.5.1Electricalconnections230Va.c.

SafetyNote

Necessaryassembly,start-up,andmaintenanceworkmustbe
performedbyqualifiedandauthorizedpersonnelonly.

Locallegislationsmustberespected.Thiscomprisesalsocablesize
andisolation(reinforcedtype).

AfusefortheECLComfortinstallationismax.10Atypically.

TheambienttemperaturerangefortheECLComfortinoperationis
0-55°C.Exceedingthistemperaturerangecanresultinmalfunctions.

Installationmustbeavoidedifthereisariskforcondensation(dew).

Thecommongroundterminalisusedforconnectionofrelevant
components(pumps,motorizedcontrolvalves).

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)
forapplicationspecificconnections.

ECL210/310

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

Maximumloadratings:

VI.LV.G3.02

Relayterminals

Triac(=electronic
relay)terminals

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

0,2A/230Va.c.

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Electricalconnections,ECA32/ECA35

Connections,ingeneral.

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)forapplicationspecificconnections.

Maximumloadratings:

Terminals

ECA32ECA35

PWMOut1(52)

PWMOut2(53)

PWMOut3(54)

PWMOut4(55)

AnalogOut1(59)AnalogOut1(59)47kΩ*

AnalogOut2(60)AnalogOut2(60)47kΩ*

AnalogOut3(61)AnalogOut3(61)47kΩ*

*Thevalueisaminimum.

5kΩ*

5kΩ*

5kΩ*

5kΩ*

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2.5.2Electricalconnections,Pt1000temperaturesensors

SeetheInstallationGuide(deliveredwiththeapplicationkey)for
sensorandinputconnections.

P348

Sensor

S1

S2

S3

S4

S5Returntemperature

S6

S7

S8

S9

S10

Description

Outdoortemperaure
sensor

Supplytemperature
sensor

Flowtemperature
sensor(heating)*

Flowtemperature
sensor(DHW)*

sensor(heating)

Upperbuffer-tank
temperaturesensor*

Buffer-tankflow
temperaturesensor

Lowerbuffer-tank
temperaturesensor

DHWcirculation
temperaturesensor

Buffer-tankreturn
temperaturesensor

Recommendedtype

ESMT

ESM-11/
ESMB/
ESMC/
ESMU

ESM-11/
ESMB/
ESMC/
ESMU

ESMB/
ESMU

ESM-11/
ESMB/
ESMC/
ESMU

ESMB/
ESMU

ESM-11/
ESMB/
ESMC/
ESMU

ESMB/
ESMU

ESM-11/
ESMB/
ESMC/
ESMU

ESM-11/
ESMB/
ESMC/
ESMU

Temperaturesensorsmustbeconnectedinordertohavethe
desiredfunctionality.

*

Ifthesensorisnotconnectedorthesensorcableis
short-circuited,themotorizedcontrolvalveorcontrolpump
closes/stops(safetyfunction).

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ECA32

Sensor

S11Returntemperature

Description

sensor,heatingcircuitA

Recommendedtype

ESM-11/
ESMB/
ESMC/
ESMU

S12Returntemperature

sensor,heatingcircuitB

ESM-11/
ESMB/
ESMC/
ESMU

S13

S14

S15

Notused

Notused

Supplyreturnpressure
sensor

S16

Supplyreturnpressure
sensor

Temperaturesensorsmustbeconnectedinordertohavethe
desiredfunctionality.

ECA35

Sensor

S11Returntemperature

Description

sensor,heatingcircuitA

Recommendedtype

ESM-11/
ESMB/
ESMC/
ESMU

S12Returntemperature

sensor,heatingcircuitB

ESM-11/
ESMB/
ESMC/
ESMU

Temperaturesensorsmustbeconnectedinordertohavethe
desiredfunctionality.

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

communicationbus).
Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).

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2.5.3Electricalconnections,ECA30/31

Terminal
ECL

Terminal
ECA30/31

30
31

4

1
322
333

4

5

*

Afteranexternalroomtemperaturesensorhasbeenconnected,

Description

Twistedpair

Twistedpair

Ext.roomtemperature
sensor*

Type
(recomm.)

Cable2x
twistedpair

ESM-10

ECA30/31mustberepowered.

ThecommunicationtotheECA30/31mustbesetupintheECL
Comfortcontrollerin'ECAaddr.'

TheECA30/31mustbesetupaccordingly.

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

Iftheactualapplicationcontainstwoheatingcircuits,itispossible
toconnectanECA30/31toeachcircuit.Theelectricalconnections
aredoneinparallel.

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

SetupproceduresforECA30/31:Seesection‘Miscellaneous’ .

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

software(firmware)ofyourECLComfortcontroller.Pleasecontact
yourDanfosssalesoffice.

Someapplicationsdonotcontainfunctionsrelatedtoactualroom
temperature.TheconnectedECA30/31willonlyfunctionasremote
control.

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ECA32/35
S12

Connectionofvoltagesignal(0–10V)forexternalcontrolofdesired
DHWtemperature.
Theappliedvoltagemust,asaminimum,be1Volt.

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

Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).

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2.5.4Electricalconnections,master/slavesystems

Thecontrollercanbeusedasmasterorslaveinmaster/slave
systemsviatheinternalECL485communicationbus(2xtwisted
paircable).

TheECL485communicationbusisnotcompatiblewiththeECL
businECLComfort110,200,300and301!

Terminal

Description

30

Commonterminal
+12V*,ECL485communicationbus

31

*OnlyforECA30/31andmaster/
slavecommunication

32

B,ECL485communicationbus

33

A,ECL485communicationbus

2.5.5Electricalconnections,communication

Electricalconnections,Modbus

ECLComfort210:Non-galvanicisolatedModbusconnections
ECLComfort296:GalvanicisolatedModbusconnections
ECLComfort310:GalvanicisolatedModbusconnections

Type
(recomm.)

Cable2x
twistedpair

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

Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).

2.5.6Electricalconnections,communication

Electricalconnections,M-bus

ECLComfort210:Notimplemented
ECLComfort296:Onboard
ECLComfort310:Onboard

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2.6InsertingtheECLApplicationKey

2.6.1InsertingtheECLApplicationKey

TheECLApplicationKeycontains

•theapplicationanditssubtypes,

•currentlyavailablelanguages,

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

•memoryforusersettings:specialuser/systemsettings.

Afterhavingpowered-upthecontroller,differentsituationsmight
beexisting:

1.Thecontrollerisnewfromthefactory,theECLApplicationKey
isnotinserted.

2.Thecontrolleralreadyrunsanapplication.TheECLApplication
Keyisinserted,buttheapplicationneedstobechanged.

3.Acopyofthecontrollerssettingsisneededforconfiguring
anothercontroller.

ECLComfort210/310

ECLComfort210/310

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

Systemsettingsare,amongothers,communicationset-up,display
brightnessetc.

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Automaticupdateofcontrollersoftware(firmware):

Thesoftwareofthecontrollerisupdatedautomaticallywhenthekey
isinserted(asofcontrollerversion1.11(ECL210/310)andversion

1.58(ECL296)).Thefollowinganimationwillbeshownwhenthe
softwareisbeingupdated:

Progressbar

Duringupdate:

•DonotremovetheKEY
Ifthekeyisremovedbeforethehour-glassisshown,youhave
tostartafresh.

•Donotdisconnectthepower
Ifthepowerisinterruptedwhenthehour-glassisshown,the
controllerwillnotwork.

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

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

Keyinserted/notinserted,description:

ECLComfort210/310,controllerversionslowerthan1.36:

-

Takeouttheapplicationkey;for20minutes
settingscanbechanged.

-

Powerupthecontrollerwithoutthe
applicationkeyinserted;for20minutes
settingscanbechanged.

ECLComfort210/310,controllerversions1.36andup:

-

Takeouttheapplicationkey;for20minutes
settingscanbechanged.

-

Powerupthecontrollerwithoutthe
applicationkeyinserted;settingscannotbe
changed.

ECLComfort296,controllerversions1.58andup:

-

Takeouttheapplicationkey;for20minutes
settingscanbechanged.

-

Powerupthecontrollerwithoutthe
applicationkeyinserted;settingscannotbe
changed.

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ApplicationKey:Situation1
Thecontrollerisnewfromthefactory,theECLApplicationKey

isnotinserted.

AnanimationfortheECLApplicationKeyinsertionisdisplayed.
InserttheApplicationKey.

ApplicationKeynameandVersionisindicated(example:A266
Ver.1.03).

IftheECLApplicationKeyisnotsuitableforthecontroller,a"cross"
isdisplayedovertheECLApplicationKey-symbol.

Action:Purpose:

Selectlanguage

Confirm
Selectapplication(subtype)

Somekeyshaveonlyoneapplication.

Confirmwith‘Yes’

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

Choose''Next'

Confirmwith‘Yes’

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

shouldbeactiveornot

*‘Aut.daylight’istheautomaticchangeoverbetweensummer
andwintertime.

DependingonthecontentsoftheECLApplicationKey,procedure
AorBistakingplace:

A
TheECLApplicationkeycontainsfactorysettings:

Thecontrollerreads/transfersdatafromtheECLApplicationKey
toECLcontroller.

Examples:

YESorNO

Theapplicationisinstalled,andthecontrollerresetsandstartsup.

B
TheECLApplicationkeycontainschangedsystemsettings:

Pushthedialrepeatedly.

’NO’:

’YES*:

Ifthekeycontainsusersettings:

Pushthedialrepeatedly.

‘NO:

‘YES*:

*If‘YES’cannotbechosen,theECLApplicationKeydoesnot
containanyspecialsettings.

Choose‘Startcopying’andconfirmwith'Yes'.

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OnlyfactorysettingsfromtheECLApplicationKeywill
becopiedtothecontroller.

Specialsystemsettings(differingfromthefactory
settings)willbecopiedtothecontroller.

OnlyfactorysettingsfromtheECLApplicationKeywill
becopiedtothecontroller.

Specialusersettings(differingfromthefactorysettings)
willbecopiedtothecontroller.

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(Example):

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

ApplicationKey:Situation2
Thecontrolleralreadyrunsanapplication.TheECLApplication

Keyisinserted,buttheapplicationneedstobechanged.

TochangetoanotherapplicationontheECLApplicationKey,the
currentapplicationinthecontrollermustbeerased(deleted).

BeawarethattheApplicationKeymustbeinserted.

Action:Purpose:

Choose‘MENU’inanycircuit

Confirm

Choosethecircuitselectoratthetop
rightcornerinthedisplay

Confirm

Choose‘Commoncontrollersettings’

Confirm

Choose‘Keyfunctions’

Confirm

Choose‘Eraseapplication’

Confirmwith‘Yes’

Thecontrollerresetsandisreadytobeconfigured.

Followtheproceduredescribedinsituation1.

Examples:

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ApplicationKey:Situation3
Acopyofthecontrollerssettingsisneededforconfiguring

anothercontroller.

Thisfunctionisused

•forsaving(backup)ofspecialuserandsystemsettings

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

HowtocopytoanotherECLComfortcontroller:

Action:Purpose:

Choose‘MENU’

Confirm

Choosethecircuitselectoratthetop
rightcornerinthedisplay

Confirm

Choose'Commoncontrollersettings'

Confirm

Goto‘Keyfunctions’

Confirm

Choose‘Copy’

Confirm

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

Pushthedialrepeatedlytochoose
copydirection

Choose‘Systemsettings’or‘User
settings’

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

Choose‘Startcopying’
TheApplicationKeyorthecontroller

isupdatedwithspecialsystemoruser
settings.

Examples:

*

’ECL’or‘KEY’ .

**

‘NO’or‘YES’

*
‘ECL’:

‘KEY’:

**
‘NO’:

‘YES’:

30|©Danfoss|2018.11

DatawillbecopiedfromtheApplicationKeytothe
ECLController.
DatawillbecopiedfromtheECLControllertothe
ApplicationKey.

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

VI.LV.G3.02