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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OperatingGuideECLComfort310,applicationP348

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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OperatingGuideECLComfort310,applicationP348

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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OperatingGuideECLComfort310,applicationP348

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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OperatingGuideECLComfort310,applicationP348

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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OperatingGuideECLComfort310,applicationP348

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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OperatingGuideECLComfort310,applicationP348

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'.

28|©Danfoss|2018.11

OnlyfactorysettingsfromtheECLApplicationKeywill
becopiedtothecontroller.

Specialsystemsettings(differingfromthefactory
settings)willbecopiedtothecontroller.

OnlyfactorysettingsfromtheECLApplicationKeywill
becopiedtothecontroller.

Specialusersettings(differingfromthefactorysettings)
willbecopiedtothecontroller.

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OperatingGuideECLComfort310,applicationP348

(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,applicationP348

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

OperatingGuideECLComfort310,applicationP348

2.6.2ECLApplicationKey,copyingdata

Generalprinciples

Whenthecontrollerisconnectedandoperating,youcancheck
andadjustallorsomeofthebasicsettings.Thenewsettingscan
bestoredontheKey.

HowtoupdatetheECLApplicationKeyaftersettingshave
beenchanged?

AllnewsettingscanbestoredontheECLApplicationKey.

Factorysettingscanalwaysberestored.

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.

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,applicationP348

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,applicationP348

2.8Navigation,ECLApplicationKeyP348

Navigation,applicationP348.1,Heating,circuit1

Home
MENU

ScheduleSchedule

Settings

Sub-menu

IDnos.

Flow
temperature

Roomlimit

Returnlimit

Flow/Actual
powerlimitActuallimit

Optimization

11178
11177
11004
11182
11183
11015
11031
11032
11033
11034
11035
11036
11037
11085
11029
11028

11119
11117
11118
11116
11112
11113
11109
11115
11011
11012
11013
11014
11026
11020
11021
11179

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

P348.1

P348.1

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

(

VI.LV.G3.02

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OperatingGuideECLComfort310,applicationP348

Navigation,applicationP348.1,Heating,circuit1,continued

Home
MENU

Settings

HolidayHoliday

Alarm

InfluenceoverviewDes.flowTInfluencesource

Sub-menu

IDnos.

Controlpar.

Application

Heatcut-out

Temp.monitor

S15pressurePressure

S16pressurePressure

Alarmoverview

11174
11184
11185
11186
11187
11189
11010
11017
11050
11500
11022
11023
11052
11077
11078
11040
11093
11141
11142
11393
11392
11179
11395
11397
11396
11398
11399

11147
11148
11149
11150

12614
12615
12617

11614
11615
11617

Function

Motorpr
Xp
Tn
Mrun
Nz
Min.act.time
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.

Alarmhigh
Alarmlow
Alarmtime-out

Alarmhigh
Alarmlow
Alarmtime-out

P348.1

P348.1

(

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(

(

(

(

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(

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(

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Navigation,P348.1,circuits2and3(DHW)

Home

MENU

Schedule

Schedulecirc.P

Settings

Alarm

Influenceoverview

IDnos.

Tanktemperature

Controlpar.1Xpactual

FlowmeterActual

Application
Anti-bacteria
Controlpar.,Pcirc.

Temp.monitor

Alarmoverview

Des.DHWT

12017
12195
12194
12178
12177

12185
12187
12165
12167
12171
12354
12565
12065

12114
12115
12500

13370
13126
13184
13185
13187
13165
13167
13171

12147
12148
12149
12150

Function

Demandoffset
Startdifference
Stopdifference
Temp.max.
Temp.min.

Tn
Nz
Voutmax.
Voutmin.
Reverseout
CWinfluence
PWMperiod
Adapttime

Pulse
Units
SenddesiredT

Max.returnT
Anti-bac.ret.T
Xp
Tn
Nz
Voutmax.
Voutmin.
Reverseout

Upperdifference
Lowerdifference
Delay
Lowesttemp.

Influencesource

P348.1

Circuit

23

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Navigation,P348.1,Commoncontrollersettings

Home

MENU

Time&Date

Inputoverview

Log

Outputoverride

Commoncontrollersettings

IDno.

OutdoorTLogtoday

Heatingflow&des.

HeatreturnT&limitLog2days

DHWflow&des.

TankTup.&des.

TankTup.&low.

Circ.returnT

SupplyT

ChargeT

S16pressure

Function

Selectable

OutdoorT

Outdooracc.T

HeatflowT

HeatreturnT

DHWflowT

Circ.returnT

TankupperT

TanklowerT

SupplyT

ChargeT

DHWreturnT

ReturnT,A

ReturnT,B

S15pressure

S16pressure

Logyesterday

Log4days

M2

P2

P4

V1

P1

V3

P3

A1

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OperatingGuideECLComfort310,applicationP348

Navigation,Commoncontrollersettings,continued

Home

MENU

Keyfunctions

SystemECLversion

Commoncontrollersettings

IDno.

NewapplicationEraseapplication

Application

FactorysettingSystemsettings

Copy

Keyoverview

Extension

Ethernet(ECLComfort310only)

Portalconfig(ECLComfort310only)

Function

Usersettings

Gotofactory

To

Systemsettings

Usersettings

Startcopying

Codeno.

Hardware

Software

Serialno.

Productiondate

Addresstype

ECLportal

Portalstatus

Portalinfo

M-busconfig(ECLComfort310only)

EnergyMeters
(ECLComfort310only)

Rawinputoverview

SensoroffsetS1-S10offset

Alarm

Display

Communication

Language

60058

60059

State

5998

Command

5997

Baud

6000

M-busaddress

6002

Scantime

6001

Type

EnergyMeter1....5

S1-S10(S1-S18whenECA32/35isinstalled)

32:

Tsensordefect

Backlight

Contrast

2048

ECL485addr.

38

Modbusaddr.

39

Baud

2150

Servicepin

2151

Ext.reset

2050

Language

VI.LV.G3.02

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OperatingGuideECLComfort310,applicationP348

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,applicationP348

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:

Dependentonthechosendisplay,theoverviewdisplaysforthe
heatingcircuitinformyouabout:

•actualoutdoortemperature(-0.5)

•controllermode()

•actualroomtemperature(24.5)

•desiredroomtemperature(20.7°C)

•trendinoutdoortemperature(

)

•min.andmax.outdoortemperaturessincemidnight(

•date(23.02.2010)

•time(7:43)

•comfortscheduleofthecurrentday(0-12-24)

•stateofthecontrolledcomponents(M2,P2)

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

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

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Thesettingofthedesiredroomtemperatureisimportantevenifa
roomtemperaturesensor/RemoteControlUnitisnotconnected.

Ifthetemperaturevalueisdisplayedas

"--"

thesensorinquestionisnotconnected.

"---"

thesensorconnectionisshort-circuited.

DHWcircuit

Overviewdisplay1informsabout:
actualDHWtemperature,controllermode,desiredDHW
temperatureaswellasthecomfortscheduleofthecurrentday.

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

Dependentonchosendisplay,theoverviewdisplaysfortheDHW
circuitinformyouabout:

•actualDHWtemperature(50.3)

•controllermode(

)

•desiredDHWtemperature(50°C)

•comfortscheduleofthecurrentday(0-12-24)

•stateofthecontrolledcomponents(M1,P1)

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

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

Settingthedesiredtemperature

Dependingonthechosencircuitandmode,itispossibletoenter
alldailysettingsdirectlyfromtheoverviewdisplays(seealsothe
nextpageconcerningsymbols).

Overviewdisplay1:Overviewdisplay2:

Exampleofoverviewdisplaywith
Influenceindication:

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Settingthedesiredroomtemperature

Thedesiredroomtemperaturecaneasilybeadjustedinthe
overviewdisplaysfortheheatingcircuit.

Action:Purpose:

Desiredroomtemperature

Confirm

Adjustthedesiredroomtemperature

Confirm

Thisoverviewdisplayinformsaboutoutdoortemperature,actual
roomtemperatureaswellasdesiredroomtemperature.

Thedisplayexampleisforcomfortmode.Ifyouwanttochange
thedesiredroomtemperatureforsavingmode,choosethemode
selectorandselectsaving.

Examples:

20.5

21.0

Thesettingofthedesiredroomtemperatureisimportantevenifa
roomtemperaturesensor/RemoteControlUnitisnotconnected.

SettingthedesiredDHWtemperature

ThedesiredDHWtemperaturecaneasilybeadjustedinthe
overviewdisplaysfortheDHWcircuit.

Action:Purpose:

DesiredDHWtemperature

Confirm

AdjustthedesiredDHWtemperature

Confirm

InadditiontotheinformationaboutdesiredandactualDHW
temperature,thetoday'sscheduleisvisible.

Thedisplayexampleindicatesthatthecontrollerisinscheduled
operationandincomfortmode.

Examples:

50

55

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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,applicationP348

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:

VI.LV.G3.02

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OperatingGuideECLComfort310,applicationP348

3.6Manualcontrol

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.

Whenmanualcontrolisselectedforonecircuit,itisautomatically
selectedforallcircuits!

Manualcontrolof0–10Volt/PWMcontrolledpumpspeed:

TheV1,V2andV3symbolshaveavalue(in%)whichcanbechanged.
The%valueiscorrespondingtoavoltage/PWMintherange0–10
Volt/0-100%PWM.

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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.

VI.LV.G3.02

Eachcircuithasitsownschedule.Tochangetoanothercircuit,goto
'Home',turnthedialandchoosethedesiredcircuit.

Thestartandstoptimescanbesetinhalf-hourly(30min.)intervals.

©Danfoss|2018.11|47

OperatingGuideECLComfort310,applicationP348

4.0Settingsoverview

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

SettingIDPage

Heatcurve

Actual(actualfloworpower)

Actuallimit

Xpactual

Actual

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

Demandoffset(fortank(buffer)temperature)

Basedon(optimizationbasedonroom/outdoortemp.)

Totalstop

Pexercise(pumpexercise)

Mexercise(valveexercise)

Pre-stop(optimizedstoptime)

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

DHW,ret.Tlimit

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

Pdemand

DHWpriority(closedvalve/normaloperation)

Adapt.time(adaptationtime)

1x00453

1x01082

1x01168

1x01269

1x01370

1x01470

1x015

1x01782

1x01793

1x020

1x021

1x02283

1x02383

1x02672

1x02860

1x02961

1x03161

1x03261

1x03361

1x03462

1x03562

1x03662

1x03762

1x04084

1x05084

1x05284

1x065

Factorysettingsincircuit(s)

1

52

64

64

75

80

91

91

96

97

97

97

55

71

71

75

23

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SettingIDPage

PfrostT(circulationpump,frostprotectiontemp.)

PheatT(heatdemand)

Priority(priorityforreturntemp.limitation)

Frostpr.T(frostprotectiontemp.)

Inputtype

Adapt.time(adaptationtime)

Filterconstant

Pulse

Units

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)

Anti-bac.ret.T(Anti-bacteria,returntemperature)

Ext.input(externaloverride)

Ext.mode(externaloverridemode)

Upperdifference

Lowerdifference

Delay,example

Lowesttemp.

Voutmax.

Voutmin.

Reverseout

Motorpr.(motorprotection)

Temp.min.

Temp.min.(Minimumtemperature)

Temp.max.

Temp.max.(Maximumtemperature)

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)

Stopdifference

Startdifference

CWinfluence(ColdWaterinfluence)

Max.returnT

SenddesiredT

1x07785

1x07885

1x08563

1x09385

1x10965

1x11265

1x11365

1x114

1x115

1x115

1x11666

1x117

1x11866

1x11966

1x126

1x141

1x14286

1x147

1x14899

1x149100

1x150100

1x165

1x16776

1x171

1x174

1x17754

1x177

1x178

1x17893

1x17972

1x18256

1x18356

1x18476

1x185

1x186

1x187

1x18978

1x19493

1x19594

1x35478

1x37078

1x50088

Factorysettingsincircuit(s)

1

80

65

80

66

75

85

99

75

76

76

93

54

77

77

77

23

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PWMperiod

Alarmhigh

Alarmlow

Alarmtime-out

SettingIDPage

1x56579

1x614100

1x615101

1x617101

Factorysettingsincircuit(s)

1

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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OperatingGuideECLComfort310,applicationP348

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.

52|©Danfoss|2018.11

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. '

1x004

SeeAppendix“ParameterIDoverview”

MENU>Settings>Flowtemperature

Temp.min.

1x177

SeeAppendix“ParameterIDoverview”

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

Overridemode

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

The"DesiredT"valuecanbeinfluencedby:

•temp.max.

•temp.min.

•roomtemp.limit

•returntemp.limit

•flow/powerlimit

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

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

MENU>Settings>Flowtemperature

Temp.max.

1x178

SeeAppendix“ParameterIDoverview”

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

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

Thesettingof‘heatcurve’ispossibleforheatingcircuitsonly.

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

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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.

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

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Example,maximumreturntemperaturelimitation;
returntemperaturegetshigherthanlimit

Whentheanti-bacteriaprocessisactive,thereturntemperature
limitationisdisabled.

=

T

Y

X

#1#

#2#

#3#

#4#

Temperature

=

Temperature

=

Time

=

Returntemperature

=

Returntemperaturelimit

=

Desiredflowtemperature

=

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

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”

SomeexamplesofapplicationswithDHW-tankheating/chargingare:

•A217,A237,A247,A367,A377

1x031

1x032

ThecorrespondingXcoordinateissetin'HighToutX1' .

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MENU>Settings>Returnlimit

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

Settheoutdoortemperaturevalueforthehighreturntemperature
limitation.

SeeAppendix“ParameterIDoverview”

ThecorrespondingYcoordinateissetin'HighlimitY2'.

MENU>Settings>Returnlimit

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

Setthereturntemperaturelimitationreferringtotheoutdoortemperature
valuesetin'LowToutX2' .

SeeAppendix“ParameterIDoverview”

ThecorrespondingXcoordinateissetin'LowToutX2' .

MENU>Settings>Returnlimit

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

Determineshowmuchthedesiredflowtemperaturewillbeinfluencedifthe
returntemperatureishigherthanthecalculatedlimit.

1x033

1x034

1x035

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

SeeAppendix“ParameterIDoverview”

Influencehigherthan0:

Thedesiredflowtemperatureisincreased,whenthereturn
temperaturegetshigherthanthecalculatedlimit.

Influencelowerthan0:

Thedesiredflowtemperatureisdecreased,whenthereturn
temperaturegetshigherthanthecalculatedlimit.

MENU>Settings>Returnlimit

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

Determineshowmuchthedesiredflowtemperaturewillbeinfluencedifthe
returntemperatureislowerthanthecalculatedlimit.

SeeAppendix“ParameterIDoverview”

Influencehigherthan0:

Thedesiredflowtemperatureisincreased,whenthereturn
temperaturegetsbelowthecalculatedlimit.

Influencelowerthan0:

Thedesiredflowtemperatureisdecreased,whenthereturn
temperaturegetsbelowthecalculatedlimit.

Example

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

Normally,thissettingislowerthan0indistrictheatingsystemsto
avoidatoohighreturntemperature.

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

Example

1x036

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

Normally,thissettingis0indistrictheatingsystemsbecausealower
returntemperatureisacceptable.

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

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MENU>Settings>Returnlimit

Adapt.time(adaptationtime)

Controlshowfastthereturntemperatureadaptstothedesiredreturn
temperaturelimit(Integrationcontrol).

SeeAppendix“ParameterIDoverview”

OFF:

Thecontrolfunctionisnotinfluencedbythe‘Adapt.
time’ .

Minor

Thedesiredtemperatureisadaptedquickly.

value:
Major

Thedesiredtemperatureisadaptedslowly.

value:

MENU>Settings>Returnlimit

Priority(priorityforreturntemp.limitation)

Choosewhetherthereturntemperaturelimitationshouldoverruletheset
min.flowtemperature‘Temp.min. ’.

SeeAppendix“ParameterIDoverview”

OFF:

ON:

Themin.flowtemperaturelimitisnotoverruled.
Themin.flowtemperaturelimitisoverruled.

1x037

Theadaptationfunctioncancorrectthedesiredflowtemperature
withmax.8K.

1x085

IfyouhaveaDHWapplication:
Pleasealsosee‘Paralleloperation’(ID11043).

IfyouhaveaDHWapplication:
Whendependentparalleloperationisinfunction:

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

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

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5.5Flow/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)

MENU>Settings>Flow/powerlimit

Actual(actualfloworpower)

Thevalueistheactualfloworpowerbasedonthesignalfromflow/energy
meter.

=

X

Y

#1#

#2#

#3#

Ifthe‘Adapt.time’istoohigh,thereisariskofunstablecontrol.

Time

=

Floworpower

=

Floworpowerlimit

=

Actualfloworenergy

=

Desiredflowtemperature

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MENU>Settings>Flow/powerlimit

Actuallimit

Thevalueistheactualfloworpowerlimitation,basedonoutdoor
temperatureandthesettingsin"HighToutX1","LowlimitY1" ,"LowTout
X2"and"HighlimitY2".

MENU>Settings>Flow/powerlimit

Inputtype

Choiceofinputtypefromflow/energymeter

SeeAppendix“ParameterIDoverview”

OFF:

EM1-

Noinput

Flow/energymetersignalfromM-bus.

EM5:

MENU>Settings>Flow/powerlimit

Adapt.time(adaptationtime)

Controlshowfasttheflow/powerlimitationadaptstothedesired
limitation.

SeeAppendix“ParameterIDoverview”

OFF:

Thecontrolfunctionisnotinfluencedbythe‘Adapt.
time’ .

Minor

Thedesiredtemperatureisadaptedquickly.

value:
Major

Thedesiredtemperatureisadaptedslowly.

value:

1x109

1x112

Ifthe‘Adapt.time’istoolow,thereisariskofunstablecontrol.

MENU>Settings>Flow/powerlimit

Filterconstant

Thevalueofthefilterconstantdeterminesthedampeningofthemeasured
value.
Thehigherthevalue,themoredampening.
Bythis,atooquickchangeofthemeasuredvaluecanbeavoided.

SeeAppendix“ParameterIDoverview”

Minor

Lowerdampening

value:
Major

Higherdampening

value:

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MENU>Settings>Flow/powerlimit

Units

Choiceofunitsformeasuredvalues.

SeeAppendix“ParameterIDoverview”

Flowvaluesareexpressedasl/horm³/h
PowervaluesareexpressedaskW,MWorGW.

MENU>Settings>Flow/powerlimit

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

Settheflow/powerlimitationreferringtotheoutdoortemperatureset
in'LowToutX2' .

SeeAppendix“ParameterIDoverview”

ThecorrespondingXcoordinateissetin'LowToutX2' .

MENU>Settings>Flow/powerlimit

1x115

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

1x116

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

Settheflow/powerlimitationreferringtotheoutdoortemperaturesetin
'HighToutX1' .

SeeAppendix“ParameterIDoverview”

ThecorrespondingXcoordinateissetin'HighToutX1' .

MENU>Settings>Flow/powerlimit

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

Settheoutdoortemperaturevalueforthehighflow/powerlimitation.

SeeAppendix“ParameterIDoverview”

ThecorrespondingYcoordinateissetin'HighlimitY2'.

MENU>Settings>Flow/powerlimit

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

Settheoutdoortemperaturevalueforthelowflow/powerlimitation.

1x117

Thelimitationfunctioncanoverruletheset'Temp.min'ofthedesired
flowtemperature.

1x118

1x119

SeeAppendix“ParameterIDoverview”

ThecorrespondingYcoordinateissetin'LowlimitY1' .

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ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

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5.6Optimization

Thesection"Optimization"describesspecificapplicationrelated
issues.
Theparameters'Autosaving' ,'Boost','Optimizer','Totalstop'areall
relatedtoheatingmodeonly.
'Summer,cut-out'determine,atrisingoutdoortemperature,the
stopofheating.

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

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MENU>Settings>Optimization

Autosaving(savingtemp.dependentonoutdoortemp.)

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

SeeAppendix“ParameterIDoverview”

OFF:

Thesavingtemperaturedoesnotdependonthe
outdoortemperature;thereductionis100%.

Value:Thesavingtemperaturedependsontheoutdoor

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

Comforttemperature:

Thedesiredroomtemperaturein
Comfortmode

Savingtemperature:

ThedesiredroomtemperatureinSaving
mode

ThedesiredroomtemperaturesforComfortandSavingmodes
aresetinthedisplayoverviews.

1x011

=

X

Y

#1#

#2#

#3#

Example:

Actualoutdoortemperature(T.out):

DesiredroomtemperaturesettinginComfortmode:

DesiredroomtemperaturesettinginSavingmode:

Settingin‘Autosaving’:

Outdoortemperature(°C)

=

Desiredroomtemperature(°C)

=

Desiredroomtemperature(°C),Comfortmode

=

Desiredroomtemperature(°C),Savingmode

=

Autosavingtemperature(°C),ID11011

–5°C

22°C

16°C

–15°C

Theconditionfortheoutdoortemperatureinfluence:

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

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

=

X

Y

Outdoortemperature(°C)

=

Desiredroomtemperature(°C)

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MENU>Settings>Optimization

Boost

Shortenstheheating-upperiodbyincreasingthedesiredflowtemperature
bythepercentageyouset.

SeeAppendix“ParameterIDoverview”

OFF:

Value:

Theboostfunctionisnotactive.
Thedesiredflowtemperatureisincreasedtemporarily

withthesetpercentage.

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

MENU>Settings>Optimization

Ramp(referenceramping)

Thetime(minutes)inwhichthedesiredflowtemperatureincreases
graduallytoavoidloadpeaksintheheatsupply.

SeeAppendix“ParameterIDoverview”

1x012

1x013

OFF:

Value:

Therampingfunctionisnotactive.
Thedesiredflowtemperatureisincreasedgraduallywith

thesetminutes.

Inordertoavoidloadpeaksinthesupplynetwork,theflow
temperaturecanbesettoincreasegraduallyafteraperiodwith
savingtemperature.Thiscausesthevalvetoopengradually.

X
Y
#1#

=

Time

=

Desiredflowtemperature

=

Rampingtime

=

Comforttemperature

=

Savingtemperature

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MENU>Settings>Optimization

Optimizer(optimizingtimeconstant)

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

SeeAppendix“ParameterIDoverview”

Adjusttheoptimizingtimeconstant.

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

OFF:

Nooptimization.Theheatingstartsandstopsatthe
timessetintheschedule.

10...59:

SeetablesIandII.

TableI:

1x014

Systemtype

LeftdigitHeataccumulationofthe

building

Radiator

1-light

systems

2-medium

3-heavy

Floorheating

4-medium

systems

5-heavy

TableII:

RightdigitDimensioningtemperatureCapacity

-0-50°Clarge

·

-1

-45°C

···

-5

-25°C

normal

···

MENU>Settings>Optimization

Basedon(optimizationbasedonroom/outdoortemp.)

Theoptimizedstartandstoptimecanbebasedoneitherroomoroutdoor
temperature.

SeeAppendix“ParameterIDoverview”

OUT:

Optimizationbasedonoutdoortemperature.Usethis
settingiftheroomtemperatureisnotmeasured.

ROOM:

Optimizationbasedonroomtemperature,ifmeasured.

-9

Dimensioningtemperature:

Thelowestoutdoortemperature(usuallydeterminedbyyoursystem
designerinconnectionwiththedesignoftheheatingsystem)atwhich
theheatingsystemcanmaintainthedesignedroomtemperature.

Example

Thesystemtypeisradiator,andtheheataccumulationofthebuilding
ismedium.

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

1x020

-5°C

small

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MENU>Settings>Optimization

Totalstop

Decidewhetheryouwantatotalstopduringthesavingtemperatureperiod.

1x021

SeeAppendix“ParameterIDoverview”

OFF:

Nototalstop.Thedesiredflowtemperatureisreduced
accordingto:

•desiredroomtemperatureinsavingmode

•autosaving

ON:

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

Totalstop=OFF

Totalstop=ON

X
Y

=

Time

=

Desiredflowtemperature

=

Comforttemperature

=

Savingtemperature

=

Frostprotection

MENU>Settings>Optimization

Pre-stop(optimizedstoptime)

Disabletheoptimizedstoptime.

SeeAppendix“ParameterIDoverview”

OFF:

ON:

Theoptimizedstoptimeisdisabled.
Theoptimizedstoptimeisenabled.

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

1x026

Example:OptimizationofComfortfrom07:00-22:00

=

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

Time

=

Schedule

=

Prestop=OFF

=

Prestop=ON

=

Optimizedstart

=

Optimizedstop

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MENU>Settings>Optimization

Summer,cut-out(limitforheatingcut-out)

1x179

SeeAppendix“ParameterIDoverview”

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

TheheatingsystemswitchesONagainwhentheoutdoor
temperatureandtheaccumulated(filtered)outdoortemperature
becomelowerthanthesetlimit.

Thisfunctioncansaveenergy.

Setthevalueforoutdoortemperatureatwhichyouwantthe
heatingsystemtoswitchOFF .

Summer,cut-out

=

X

Y

#1#

#2#

#3#

#4#

#5#

Time

=

Temperature

=

Actualoutdoortemperature

=

Cut-outtemperature(1x179)

=

Accummulated(filtered)outdoortemperature

=

Heatingenabled

=

Heatingdisabled

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

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5.7Controlparameters

ControlofvalvesM1andM2

Themotorizedcontrolvalvesarecontrolledbymeansof3-point
controlsignal.
M1isanON/OFFvalve.
M2isacontrolvalve.

Thewaterflowthroughthecontrolvalveismanagedbymeans
ofanelectricactuator.Thecombination"actuator"and"control
valve"isalsocalledmotorizedcontrolvalve.Theactuatorcanin
thiswaygraduallyincreaseordecreasetheflowinordertochange
thesuppliedenergy.Differenttypesofactuatorsareavailable.

Controlvalve
Themotorizedcontrolvalveisopenedgraduallywhentheflow
temperatureislowerthanthedesiredflowtemperatureandvice
versa.

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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ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Controlparameters

Xpactual

‘Xpactual’istheread-outoftheactualXp(proportionalband)basedon
thesupplytemperature.Xpisdeterminedbysettingsrelatedtothesupply
temperature.Typically,thehigherthesupplytemperature,thehighertheXp
mustbeinordertoachieveastabletemperaturecontrol.

Xpsettingrange:

5...250K

Fixedsupplytemperaturesettings:65°Cand90°C
Factorysettings:

(65,40)and(90,120)

Thismeansthatthe‘Xp’is40Kat65°Csupplytemperature,and
‘Xp’is120Kat90°C.

SetthedesiredXpvaluesatthetwofixedsupplytemperatures.

Ifthesupplytemperatureisnotmeasured(thesupplytemperature
sensorisnotconnected),theXpvalueatthesetting65°Cisused.

MENU>Settings>Controlparameters

Adapt.time(adaptationtime)

Whenthepumpiscontrolledatlowspeed(inpulsedmode)theregulation
canbedampened.Atoolowdampeningcanresultinunstabletemperature
regulation.

1x065

SeeAppendix“ParameterIDoverview”

Low

Lowdampening

value:
High

Highdampening

value:

MENU>Settings>Controlparameters

Anti-bac.ret.T(Anti-bacteria,returntemperature)

Whenanti-bacteriamodeisactiveintheDHWcircuit,theDHWcirculation
circuitcanrunatasettemperature.Thesettingof'Anti-bac.ret.T'willnot
causeachangeofthe'DesiredT'asanti-bacteriatemperature.

SeeAppendix“ParameterIDoverview”

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MENU>Settings>Controlparameters

Voutmax.

Theoutputvoltagecanbelimitedtoamaximumvalue.

SeeAppendix“ParameterIDoverview”

Thevaluein%expressesthemaximumvoltagefortheoutputin
question.

MENU>Settings>Controlparameters

Voutmin.

Theoutputvoltagecanbelimitedtoaminimumvalue.

SeeAppendix“ParameterIDoverview”

Thevaluein%expressestheminimumvoltagefortheoutputin
question.

MENU>Settings>Controlparameters

1x165

Example

Asettingof60%meansthattheoutputvoltagewillbe6voltasa
maximum.

1x167

Example:

Asettingof20%meansthattheoutputvoltagewillbe2voltasa
minimum.

Thesetting'Reverseout'hasnoinfluenceonthe'Voutmax’or‘V
outmin'settings.

The'Voutmin'settinghashigherprioritythan'Voutmax' .

Reverseout

Theanalogoutput(0-10volt)canbearisingorafallingvoltageforrising
coolingdemand.

SeeAppendix“ParameterIDoverview”

OFF:

Theanalogoutputvoltagewillfallatarisingcooling
demand.

ON:

Theanalogoutputvoltagewillriseatarisingcooling
demand.

MENU>Settings>Controlparameters

Motorpr.(motorprotection)

Preventsthecontrollerfromunstabletemperaturecontrol(andresulting
actuatoroscillations).Thiscanoccuratverylowload.Themotorprotection
increasesthelifetimeofallinvolvedcomponents.

SeeAppendix“ParameterIDoverview”

OFF:

Value:

Motorprotectionisnotactivated.

Motorprotectionisactivatedafterthesetactivation
delayinminutes.

1x171

1x174

Recommendedforductsystemswithvariableload.

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MENU>Settings>Controlparameters

Xp(proportionalband)

1x184

SeeAppendix“ParameterIDoverview”

Settheproportionalband.Ahighervaluewillresultinastablebut
slowcontroloftheflowtemperature.

Whenusingtheparameterforpumpspeedcontrol:
Ahighervaluewillresultinastable,butslowcontrolofthespeed.

MENU>Settings>Controlparameters

Tn(integrationtimeconstant)

1x185

SeeAppendix“ParameterIDoverview”

Setahighintegrationtimeconstant(inseconds)toobtainaslow
butstablereactiontodeviations.

Alowintegrationtimeconstantwillmakethecontrollerreactfast
butwithlessstability.

Whenusingtheparameterforpumpspeedcontrol:
Setahighervalue(inseconds)toobtainaslow,butstablereaction
todeviations.
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.

Thesetting"Mrun"isnotpresentwhenthevalveiscontrolledby
meansofa0-10voltsignal.

Valvestroke(mm)xactuatorspeed(sec./mm)

5.0mmx15sec./mm=75sec.

Turningdegreesxactuatorspeed(sec./degr.)

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MENU>Settings>Controlparameters

Nz(neutralzone)

Whentheactualflowtemperatureiswithintheneutralzone,thecontroller
doesnotactivatethemotorizedcontrolvalve.

SeeAppendix“ParameterIDoverview”

Settheacceptableflowtemperaturedeviation.

Settheneutralzonetoahighvalueifyoucanacceptahigh
variationinflowtemperature.

Whenusingtheparameterforpumpspeedcontrol:
Settheacceptabletemperaturedeviation.
Whentheactualtemperatureiswithintheneutralzone,the
controllerdoesnotchangethepumpspeed.
.

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

MENU>Settings>Controlparameters

CWinfluence(ColdWaterinfluence)

Thecoldwaterflow(measuredbyColdWatermeterF1)caninfluencethe
DHWtemperaturecontrolbyoverridingthecontrolofthemotorizedcontrol
valve.Bythis,thetemperaturecontrolispro-activeandcompensatesfor
thedelaybeforetheflowtemperaturesensorS4measuresachangein
temperature.
Thevalueexpresseshowmany%of100liters/hourwilldoaninfluenceon
themotorizedcontrolvalve.

SeeAppendix“ParameterIDoverview”

Low

Minorinfluence

value:
High

Majorinfluence

value:

Thesettingshouldbekeptashighasacceptabletoincreasethe
lifetimeoftheactuator(gearmotor).

1x354

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MENU>Settings>Controlparameters

Max.returnT

SettingthemaximumreturntemperaturevaluefortheDHWreturn
circulationatS9.
Whenthereturntemperaturegetslowerthanthesetvalue,thespeedofthe
DHWcirculationpumpcanbeincreased.

1x370

SeeAppendix“ParameterIDoverview”

Value:Desiredmax.returntemperature.

MENU>Settings>Controlparameters

PWMperiod

Whenthepumpiscontrolledatlowspeed(inpulsedmode)thesetvalue
reflectsthereactiontimeofthepump,thewaterflowandthetemperature
sensor.Atoolowvaluecanresultinunstabletemperatureregulation.

1x565

SeeAppendix“ParameterIDoverview”

Value:

Reactiontime

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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5.8Flowmeter

Aflowmeter,F1,measurestheColdWaterflowtothe
heat-exchanger.Thesignalformispulses.Thepulsesareapplied
to"Pulsein1"ontheECA32/35module.
Thewaterflowcanbedisplayedinl/h(liters/hour)orm3/h
(cubicmeters/hour).

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Flowmeter

Actual

Actualcoldwaterflow.
Thevalueisbasedonthesetting"Pulse"(1x114)andappliedpulsesignal.

MENU>Settings>Flowmeter

Pulse

Thevaluetellshowmanypulsesfromtheflowmeterarerelatedtooneml
(milli-liter)orl(liter).
Thesettingdeterminestheread-outvaluein"Actual" .
Anexample:Value20meansthat20pulsesrepresent1milli-literor1liter.

1-9999:

Numberofpulsestorepresentonemilli-literoroneliter

1x114

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MENU>Settings>Flowmeter

Units

Settingtheunit(milli-literorliter)forthepulsebasisanddesiredunit(l/hor
m3/h)fortheread-outofactualflow.

Example1for"Pulse"and"Unit"settings:

1x115

Pulse

Units

75

ml,l/h

75pulsesfromflowmeterrepresents1ml(milli-liter)
Read-outofactualflowwillbeexpressedasl/h(litersperhour)
Ifappliedpulseshaveafrequencyof8Hz(8pulsespersecond)
theread-outofactualflowwillbe:
Literx3600x8/75=384l/h

Example2for"Pulse"and"Unit"settings:

Pulse

Units

75

l,l/h

75pulsesfromflowmeterrepresents1l(liter)
Read-outofactualflowwillbeexpressedasl/h(litersperhour)
Ifappliedpulseshaveafrequencyof8Hz(8pulsespersecond)
theread-outofactualflowwillbe:
Milli-literx3600x8/75=384ml/h=0.384l/h

Example3for"Pulse"and"Unit"settings:

Pulse

Units

75

ml,m3/h

75pulsesfromflowmeterrepresents1ml(milli-liter)
Read-outofactualflowwillbeexpressedasm3/h(cubic
metersperhour)
Ifappliedpulseshaveafrequencyof8Hz(8pulsespersecond)
theread-outofactualflowwillbe:
Milli-literx3600x8/75=384ml/h
=0.384l/h
=0.000384m3/h
=0.0m3/h

Example4for"Pulse"and"Unit"settings:

Pulse

Units

75

l,m3/h

75pulsesfromflowmeterrepresents1l(liter)
Read-outofactualflowwillbeexpressedasm3/h(cubic
metersperhour)
Ifappliedpulseshaveafrequencyof8Hz(8pulsespersecond)
theread-outofactualflowwillbe:
Literx3600x8/75=384l/h
=384l/h
=0.384m3/h
=0.4m3/h

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5.9Application

Thesection"Application"describesspecificapplicationrelated
issues.
Someoftheparameterdescriptionsareuniversalfordifferent
applicationkeys.

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Application

ECAaddr.(ECAaddress,choiceofRemoteControlUnit)

Decidestheroomtemperaturesignaltransferandcommunicationwiththe
RemoteControlUnit.

SeeAppendix“ParameterIDoverview”

OFF:

NoRemoteControlUnit.Onlyroomtemperaturesensor,
ifany.

A:

B:

RemoteControlUnitECA30/31withaddressA.
RemoteControlUnitECA30/31withaddressB.

1x010

TheRemoteControlUnitmustbesetaccordingly(AorB).

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MENU>Settings>Application

Demandoffset

Thedesiredflowtemperatureinheatingcircuit1canbeinfluencedbythe
demandforadesiredflowtemperaturefromanothercontroller(slave)or
anothercircuit.

SeeAppendix“ParameterIDoverview”

OFF:

Thedesiredflowtemperatureincircuit1isnot
influencedbythedemandofanyothercontroller(slave
orcircuit2).

Value:

Thedesiredflowtemperatureisincreasedbytheset
valuein‘Demandoffset’ ,ifthedemandoftheslave/
circuit2ishigher.

Heatingapplication

1x017

=

X

Y

#1#

#2#

#3#

Time

=

Desiredflowtemperatures

=

Demandoffset

=

Desiredflowtemperature,master

=

Desiredflowtemperature,slave

MENU>Settings>Application

Pexercise(pumpexercise)

Exercisesthepumptoavoidblockinginperiodswithoutheating/cooling
demand.

Thefunctionof‘Demandoffset’cancompensateforheatlosses
betweenmasterandslavecontrolledsystems.

'Demandoffset'withavalueistobeusedintheMastercontrolleronly.

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

1x022

SeeAppendix“ParameterIDoverview”

OFF:

ON:

Thepumpexerciseisnotactive.

ThepumpisswitchedONfor1minuteeverythirddayat
noon(12:14hours).

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MENU>Settings>Application

Mexercise(valveexercise)

Exercisesthevalvetoavoidblockinginperiodswithoutheating/cooling
demand.

SeeAppendix“ParameterIDoverview”

OFF:

ON:

Thevalveexerciseisnotactive.

Thevalveopensfor7minutesandclosesfor7minutes
everythirddayatnoon(12:00hours).

MENU>Settings>Application

Ppost-run

Heatingapplications:

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

Coolingapplications:

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

SeeAppendix“ParameterIDoverview”

1x023

1x040

0:

Thecirculationpumpstopsimmediatelyafterheating
orcoolingstop.

Value:

ThecirculationpumpisONforthesettimeafterheating
orcoolingstop.

MENU>Settings>Application

Pdemand

Thecirculationpumpinthemastercircuitcanbecontrolledinrelationto
themastercircuit'sdemandorslavecircuit'sdemand.

SeeAppendix“ParameterIDoverview”

Heatingapplications:

OFF:

ThecirculationpumpisONwhenthedesiredflow
temperatureintheheatingcircuitishigherthanthe
valuesetin'PheatT'.

ON:

ThecirculationpumpisONwhenthedesiredflow
temperaturefromslavesishigherthanthevaluesetin
'PheatT'.

Coolingapplications:

OFF:

ThecirculationpumpisONwhenthedesiredflow
temperatureinthecoolingcircuitislowerthanthevalue
setin'PcoolT'.

ON:

ThecirculationpumpisONwhenthedesiredflow
temperaturefromslavesislowerthanthevaluesetin
'PcoolT'.

1x050

Thecirculationpumpisalwayscontrolledaccordingtofrostprotection
conditions.

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MENU>Settings>Application

DHWpriority(closedvalve/normaloperation)

Theheatingcircuitcanbeclosedwhenthecontrolleractsasslaveandwhen
DHWheating/chargingisactiveinthemaster.

SeeAppendix“ParameterIDoverview”

OFF:

Theflowtemperaturecontrolremainsunchanged
duringactiveDHWheating/charginginthemaster
controller.

ON:

Thevalveintheheatingcircuitisclosed*duringactive
DHWheating/charginginthemastercontroller.

*Thedesiredflowtemperatureissettothevaluesetin
‘Frostpr.T’

MENU>Settings>Application

PfrostT(circulationpump,frostprotectiontemp.)

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

SeeAppendix“ParameterIDoverview”

OFF:

Value:

Nofrostprotection.
CirculationpumpisONwhentheoutdoortemperature

isbelowthesetvalue.

1x052

Thissettingmustbeconsideredifthiscontrollerisaslave.

1x077

Undernormalconditions,yoursystemisnotfrostprotectedifyour
settingisbelow0°CorOFF.

Forwater-basedsystems,asettingof2°Cisrecommended.

Iftheoutdoortemperaturesensorisnotconnectedandthefactory
settinghasnotbeenchangedto'OFF' ,thecirculationpumpisalways
ON.

MENU>Settings>Application

PheatT(heatdemand)

Whenthedesiredflowtemperatureisabovethesettemperaturein‘PheatT’ ,
thecontrollerautomaticallyswitchesONthecirculationpump.

1x078

SeeAppendix“ParameterIDoverview”

Value:

ThecirculationpumpisswitchedONwhenthedesired
flowtemperatureisabovethesetvalue.

MENU>Settings>Application

Frostpr .T(frostprotectiontemp.)

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

1x093

SeeAppendix“ParameterIDoverview”

Thevalveisfullyclosedaslongasthepumpisnotswitchedon.

Thefrostprotectiontemperaturecanalsobesetinyourfavorite
displaywhenthemodeselectorisinfrostprotectionmode.

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Overridemodefunctions:

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

MENU>Settings>Application

Ext.input(externaloverride)

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

1x141

SeeAppendix“ParameterIDoverview”

OFF:

S1...S16:

Noinputshavebeenselectedforexternaloverride.
Inputselectedforexternaloverride.

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

Seethedrawingsforconnectionexamplesofoverrideswitchand
overriderelaytoinputS8.

S7...S16arerecommendedforoverrideswitch.

Example:Connectionofanoverrideswitch

Example:Connectionofanoverriderelay

IfECA32ismounted,also11...S16canbeused.

IfECA35ismounted,alsoS11orS12canbeused.

Chooseonlyanunusedinputforoverride.Ifanalreadyusedinputis
appliedforoverride,thefunctionalityofthisinputisalsoneglected.

Seealso‘Ext.mode’.

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MENU>Settings>Application

Ext.mode(externaloverridemode)

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

SeeAppendix“ParameterIDoverview”

Chooseanoverridemode:

SAVING:

Thecircuitinquestionisinsavingmodewhenthe
overrideswitchisclosed.

COMFORT:

Thecircuitinquestionisincomfortmodewhenthe
overrideswitchisclosed.

FROSTPR.:

TheheatingorDHWcircuitcloses,butisstillfrost
protected.

CONSTANTT:

Thecircuitinquestioncontrolsaconstant
temperature*)

*)

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

Theprocessdiagramsshowthefunctionality.

1x142

Seealso‘Ext.input’.

Example:OverridetoComfortmode

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

Example:OverridetoSavingmode

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

Theresultofoverrideto'Saving'modedependsonthesettingin
'Totalstop'.

Totalstop=OFF:Heatingreduced
Totalstop=ON:Heatingstopped

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Example:OverridetoFrostprotectionmode

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

Example:OverridetoConstanttemperaturemode

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

The"Const.T"valuecanbeinfluencedby:

•temp.max.

•temp.min.

•roomtemp.limit

•returntemp.limit

•flow/powerlimit

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MENU>Settings>Application

SenddesiredT

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

SeeAppendix“ParameterIDoverview”

OFF:

Informationaboutthedesiredflowtemperatureisnot
senttothemastercontroller.

ON:

Informationaboutthedesiredflowtemperatureissent
tothemastercontroller.

1x500

Inthemastercontroller,'Demandoffset'mustbesettoavalueinorder
toreactonadesiredflowtemperaturefromaslavecontroller.

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

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5.10Heatcut-out

MENU>Settings>Heatcut-out

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

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

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

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

•"Differentiatedcut-outtemperatures"aredisabled(notactive)

•Separate"Filteringconstant"valuesaredisabled(notactive)

Inordertoenabledifferentiated

•cut-outtemperaturebasedonsummer/winterperiod

•filteringconstants

thestartdatesfortheperiodsmustbedifferent.

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5.10.1Differentiatedheatcut-out

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

ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

MENU>Settings>Heatcut-out

Extendedheatcut-outsetting

ParameterIDSettingrange

Summerday

Summermonth

Summercut-out

Summerfilter

1x393

1x392

1x179

1x395

**

**

**

**

Factory

setting

SeeAppendix“ParameterIDoverview”

MENU>Settings>Heatcut-out

Extendedwintercut-outsetting

ParameterIDSettingrange

Winterday

Wintermonth

Wintercut-out

Winterfilter

1x397

1x396

1x398

1x399

**

**

**

**

Factory

SeeAppendix“ParameterIDoverview”

Theabovesettingsofthedatesforthecut-outfunctionareonly
tobedoneintheheatingcircuit1andarevalidforotherheating
circuitsinthecontrolleraswell,ifapplicable.

Thecut-outtemperaturesaswellasthefilterconstantaretobeset
individuallyperheatingcircuit.

setting

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

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5.10.2Summer/winterfilterconstant

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

Afilterconstantof300isthentobechosenifabigfilteringis
needed(veryheavybuilding).

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

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5.11Tanktemperature

MENU>Settings>Tanktemperature

Demandoffset(fortank(buffer)temperature)

ThedesiredtanktemperatureatS6isincreasedwithanumberofdegrees,
basedonthedesiredDHWtemperatureatS4.

SeeAppendix“ParameterIDoverview”

Value:

Setthenumberofdegreestoincreasethedesiredtank
(buffer)temperature.

MENU>Settings>Tanktemperature

Temp.min.(Minimumtemperature)

Settingthemin.tank(buffer)temperatureforthesystem.Thedesiredtank
temperaturewillnotbelowerthanthissetting.

SeeAppendix“ParameterIDoverview”

Value:

Minimumtank(buffer)temperature

MENU>Settings>Tanktemperature

Temp.max.(Maximumtemperature)

Settingthemax.tank(buffer)temperatureforthesystem.Thedesiredtank
temperaturewillnotbehigherthanthissetting.

1x017

1x177

1x178

SeeAppendix“ParameterIDoverview”

Value:

Maximumtank(buffer)temperature

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MENU>Settings>Tanktemperature

Stopdifference

Settingthenumberofdegreesbelowthedesiredtank(buffer)temperature,
andmeasuredbythelowertanktemperaturesensor,thatwillstopthetank
charging.
NOTE:Whenconditionforstop,relatedtothelowertanktemperature
sensor,ispresent,thechargingstopisdonewhentheuppertank
temperaturesensormeasuresahighertemperaturethanthestartdifference
level.

SeeAppendix“ParameterIDoverview”

Value:

Differenceforcharging-stop

1x194

=

X

#1#

#2#

#3#

#4#

#5#

#6#

Example:

Desiredtank(buffer)temp.=

Desiredtank(buffer)temp.=

Stopdifference:

Result:
Thetankchargingstopswhenthetemperaturemeasuredbythe
lowertanktemperaturesensorS8getshigherthan51°C.

Time

=

Startdifference(ID12195)

=

DesiredDHWtemperature

=

Stopdifference(ID12194)

=

Actualtanktemperature,upper(S6)

=

Actualtanktemperature,lower(S8)

=

Tankchargingactivity

DesiredDHWtemp.+
'Demandoffset'

55°C+4K=59°C

-8K

Whenonlyonetanktemperaturesensor(S6)isused,the'Stop
difference'valueshouldtypicallybeapositivevalue.

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MENU>Settings>Tanktemperature

Startdifference

Settingthenumberofdegreesbelowthedesiredtank(buffer)temperature,
andmeasuredbytheuppertanktemperaturesensor,thatwillstartthe
tankcharging.

SeeAppendix“ParameterIDoverview”

Value:

Differenceforcharging-start

1x195

=

X

#1#

#2#

#3#

#4#

#5#

Example:

Desiredtank(buffer)temp.=

Desiredtank(buffer)temp.=

Startdifference:

Time

=

Demandoffset(ID12017)

=

DesiredDHWtemperature

=

Startdifference(ID12195)

=

Actualtanktemperature(S6)

=

Tankchargingactivity

DesiredDHWtemp.+
'Demandoffset'

55°C+4K=59°C

-3K

Result:
Thetankchargingstartswhenthetemperaturemeasuredbythe
tanktemperaturesensor(upper)islowerthan56°C.

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5.12Anti-bacteria

OnselecteddaysduringtheweektheDHWtemperaturecan
beincreasedinordertoneutralizebacteriaintheDHWsystem.
ThedesiredDHWtemperature'DesiredT'(typically80°C)willbe
presentfortheselectedday(s)andduration.
Theanti-bacteriafunctionisnotactiveinfrostprotectionmode.

=

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

Time

=

DesiredDHWtemperature

=

Duration

=

DesiredAnti-bacteriatemperaturevalue

=

DesiredAnti-bacteriatemperature

=

DesiredDHWtemperaturevalue

=

Starttime

TheDHWcirculationcircuitcanalsobesettocontrolan
Anti-bacteriatemperature.Thiscontrolisactiveinparalleltothe
DHWrelatedAnti-bacteriafunction.

Duringtheanti-bacteriaprocess,thereturntemperaturelimitationis
notactive.

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MENU>Settings>Anti-bacteria

Day

Select(mark)theday(s)oftheweekwheretheanti-bacteriafunctionmust
beactive.

=

Monday

M

=

Tuesday

T

=

Wednesday

W

=

Thursday

T

=

Friday

F

=

Saturday

S

=

Sunday

S

MENU>Settings>Anti-bacteria

Starttime

Setthestarttimefortheanti-bacteriafunction.

MENU>Settings>Anti-bacteria

Duration

Settheduration(minutes)fortheanti-bacteriafunction.

MENU>Settings>Anti-bacteria

DesiredT

SetthedesiredDHWtemperaturefortheanti-bacteriafunction.

SeeAppendix“ParameterIDoverview”

OFF:

Value:

Theanti-bacteriafunctionisnotactive.
DesiredDHWtemperatureduringtheanti-bacteria

functionperiod.

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5.13Alarm

Thesection"Alarm"describesspecificapplicationrelatedissues.
ApplicationP348offersdifferenttypesofalarms:

Type:

1

1

2

2

Thealarmfunctionsactivatethealarmbellsymbol.
ThealarmfunctionsactivateA1,whichisrelay6intheECLComfort
310controller:

Thealarmrelaycanactivatealamp,ahorn,aninputtoanalarm
transmittingdeviceetc.

Thealarmsymbol/relayisactivated:

•(type1)aslongasthealarmreasonispresent(automaticreset).

•(type2)evenifthealarmreasondisappearsagain(manual
reset).

Alarmtype1(flowtemperature):
Iftheflowtemperaturedeviatesmorethanthesetdifferencesfrom
thedesiredflowtemperature,thealarmsymbol/relaywillbe
activatedafterasetdelay.
Iftheflowtemperaturebecomesacceptable,thealarmsymbol/
relaywillbede-activated.

Description:

Actualflowtemperaturediffersfromthe
desiredflowtemperature.

ActualpressureatS15and/orS16exceeds
asethigh/lowlevel.

Anti-bacteriatemperatureisnotreached
withinthe"Duration"time.

Disconnectionorshort-circuitingofa
temperaturesensororitsconnection.

Alarmtype1(pressure):
IfthepressureatS15and/orS16goesbeloworabovesetlevels,
thealarmsymbol/relaywillbeactivatedafterasetdelay.
Ifthepressurebecomesacceptable,thealarmsymbol/relaywill
bede-activated.

Alarmtype2(Anti-bacteria):
Iftheanti-bacteriatemperaturewasnotachievedwithinthe
"Duration",thealarmsymbol/relaywillbeactivated.Thealarm
mustbemanuallyreset.

Alarmtype2(temperaturesensors):
Selectedtemperaturesensorscanbemonitored.
Shouldtheconnectiontothetemperaturesensorbedisconnected,
short-circuitedorthesensorgetsdefective,thealarmsymbol
/relaywillbeactivated.Inthe"Rawinputoverview"(MENU>
Commoncontrollersettings>System>Rawinputoverview)the
sensorinquestionismarkedandthealarmcanbereset.

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Alarmoverview,list:

Alarm
no.:

2

3

7

8

9

32

Description:

Temp.monitor,circuit1

Temp.monitor,circuit2

Pressure

Anti-bacteria,circuit3

Pressure

Tsensordefect

Alarm
type:

1

1

1

1

1

2

Sensor
ref.:

S3

S4

S15

S9

S16

all

Tofindthereasonforanalarm:

•selectMENU

•select‘Alarm’

•select‘Alarmoverview’ .A"bell"willbeshownatthealarmin
question.

Alarmoverview(example):
2:Max.temp.
3:Temp.monitor
32:Tsensordefect

Thenumbersinthe'Alarmoverview'refertothealarmnumber
intheModbuscommunication.

Toresetanalarm:
Whenthe"bell"ispresenttotherightofthealarmline,placethe
cursoratthealarmlineinquestionandpressthedial.

Toresetalarm32:
MENU>Commoncontrollersettings>System>Rawinput
overview:Thesensorinquestionismarkedandthealarmcanbe
reset.

MENU>Settings>Alarm

Upperdifference

Thealarmisactivatediftheactualflow/ducttemperatureincreasesmore
thanthesetdifference(acceptabletemperaturedifferenceabovethedesired
flow/ducttemperature).Seealso'Delay' .

SeeAppendix“ParameterIDoverview”

OFF:

Value:

Therelatedalarmfunctionisnotactive.
Thealarmfunctionisactiveiftheactualtemperature

getsabovetheacceptabledifference.

1x147

Upperdifference

=

X

=

Y

=

#1#

=

#2#

Time
Temperature

Upperdifference
Desiredflowtemperature

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MENU>Settings>Alarm

Lowerdifference

Thealarmisactivatediftheactualflow/ducttemperaturedecreasesmore
thanthesetdifference(acceptabletemperaturedifferencebelowthedesired
flow/ducttemperature).Seealso'Delay' .

SeeAppendix“ParameterIDoverview”

1x148

Lowerdifference

OFF:

Value:

Therelatedalarmfunctionisnotactive.
Thealarmfunctionisactiveiftheactualtemperature

getsbelowtheacceptabledifference.

MENU>Settings>Alarm

Delay,example

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

SeeAppendix“ParameterIDoverview”

Value:

Thealarmfunctionwillbeactivatedifthealarm
conditionremainsafterthesetdelay.

=

X
Y
#1#
#2#

1x149

Time

=

Temperature

=

Lowerdifference

=

Desiredflowtemperature

Delay,example

MENU>Settings>Alarm

Lowesttemp.

Thealarmfunctionwillnotbeactivatedifthedesiredflow/duct
temperatureislowerthanthesetvalue.

SeeAppendix“ParameterIDoverview”

=

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

1x150

Ifthecauseofthealarmdisappears,thealarmindicationandoutput
alsodisappear.

Time

=

Temperature

=

Lowerdifference

=

Desiredflowtemperature

=

Actualflowtemperature

=

Delay(ID1x149)

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