Danfoss A333 Operating guide

OperatingGuide

ECLComfort310,applicationA333

1.0TableofContents

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

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

2.0Installation........................................................5

2.1Beforeyoustart.....................................................5

2.2Identifyingthesystemtype......................................10

2.3Mounting...........................................................15

2.4Placingthetemperaturesensors................................18

2.5Electricalconnections.............................................20

2.6InsertingtheECLApplicationKey..............................51

2.7Checklist............................................................58

2.8Navigation,ECLApplicationKeyA333.........................59

3.0Dailyuse.........................................................64

3.1Howtonavigate...................................................64

3.2Understandingthecontrollerdisplay..........................65

3.3Ageneraloverview:Whatdothesymbolsmean?...........68

3.4Monitoringtemperaturesandsystem

components........................................................69

3.5Influenceoverview................................................70

3.6Manualcontrol.....................................................71

3.7Schedule............................................................72

4.0Settingsoverview............................................73

5.0Settings...........................................................76

5.1IntroductiontoSettings..........................................76

5.2Flowtemperature..................................................77

5.3Returnlimit.........................................................79

5.4Flow/powerlimit.................................................82

5.5Optimization........................................................85

5.6Controlparameters1..............................................90

5.7Controlparameters,refillpump(s)..............................95

5.8Controlparameters,circulationpump(s)....................100

5.9Pumpcontrol.....................................................103

5.10Refillwater........................................................106

5.11Refilltank..........................................................113

5.12Application.......................................................116

5.13Watermeter......................................................120

5.14Flowmeter........................................................121

5.15S7,S8,S9,S10pressure.........................................124

5.16Alarm..............................................................127

6.0Commoncontrollersettings............................132

6.1Introductionto‘Commoncontrollersettings’..............132

6.2Time&Date.......................................................133

6.3Holiday............................................................134

6.4Inputoverview...................................................136

6.5Log.................................................................137

6.6Outputoverride..................................................138

6.7Keyfunctions.....................................................139

6.8System.............................................................141

7.0Miscellaneous................................................148

7.1ECA30/31setupprocedures.................................148

7.2Overridefunction................................................156

7.3Severalcontrollersinthesamesystem......................159

7.4Frequentlyaskedquestions....................................162

7.5Definitions........................................................165

7.6Type(ID6001),overview.......................................169

7.7Automatic/manualupdateoffirmware.....................170

7.8ParameterIDoverview..........................................171

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OperatingGuideECLComfort310,applicationA333

1.1Importantsafetyandproductinformation

1.1.1Importantsafetyandproductinformation

ThisInstallationGuideisassociatedwithECLApplicationKeyA333
(ordercodeno.087H3818).

ThefunctionsarerealizedinECLComfort310foradvanced
solutions,e.g.M-bus,ModbusandEthernet(Internet)
communication.

TheapplicationA333complieswithECLComfortcontrollers310as
ofsoftwareversion1.11(visibleatstart-upofthecontrollerandin
‘Commoncontrollersettings’in‘System’).

TheapplicationA333workswiththeInternalI/OmoduleECA32
(ordercodeno.087H3202).

AdditionaldocumentationforECLComfort310,modulesand
accessoriesisavailableonwww.ecl.doc.danfoss.com.

Applicationkeysmightbereleasedbeforealldisplaytextsare
translated.InthiscasethetextisinEnglish.

Automaticupdateofcontrollersoftware(firmware):
Thesoftwareofthecontrollerisupdatedautomaticallywhenthekey

isinserted(asofcontrollerversion1.11(ECL210/310)andversion

1.58(ECL296)).Thefollowinganimationwillbeshownwhenthe
softwareisbeingupdated:

Progressbar

Duringupdate:

•DonotremovetheKEY
Ifthekeyisremovedbeforethehour-glassisshown,youhave
tostartafresh.

•Donotdisconnectthepower
Ifthepowerisinterruptedwhenthehour-glassisshown,the
controllerwillnotwork.

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

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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.

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

°C(degreesCelsius)isameasuredtemperaturevaluewhereasK
(Kelvin)oftenisusedfortemperaturedifferences.

TheIDno.isuniquefortheselectedparameter.

ExampleFirstdigitSeconddigitLastthreedigits

1117411174

-

Circuit1Parameterno.

12174

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

1

-

2

Circuit2Parameterno.

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ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.

xstandsforcircuit/parametergroup.

DisposalNote

Thissymbolontheproductindicatesthatitmaynot
bedisposedofashouseholdwaste.

Itmustbehandedovertotheapplicabletake-back
schemefortherecyclingofelectricalandelectronic
equipment.

•Disposeoftheproductthroughchannelsprovided
forthispurpose.

•Complywithalllocalandcurrentlyapplicablelaws
andregulations.

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2.0Installation

2.1Beforeyoustart

TheA333applicationkeycontains3subtypes:A333.1,A333.2
andA333.3whicharealmostidentical.

Differentandextrafunctionsaredescribedadditionally.

TheapplicationA333.1isveryflexible.

Thesearethebasicprinciples:

Typically,theflowtemperatureisadjustedaccordingtoyour
requirements.

TheflowtemperaturesensorS3isthemostimportantsensor.The
desiredflowtemperatureatS3iscalculatedintheECLcontroller,
basedontheoutdoortemperature(S1)andthedesiredroom
temperature.Thelowertheoutdoortemperature,thehigherthe
desiredflowtemperature.

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

InSavingmodetheheatingcanbereducedorswitchedofftotally.

ThemotorizedcontrolvalveM1isopenedgraduallywhentheflow
temperatureS3islowerthanthedesiredflowtemperatureand
viceversa.

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

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

ThecirculationpumpsP1andP2areoperatedalternately.One
circulationpumpisusedasworkingpumpandtheothercirculation
pumpisusedassparepump.Thecirculationpumpinquestionis
ONatheatdemandoratfrostprotection.Thealternationtime
canbesetasanumberofdaysandasettimeontheshiftday.A
solutionwithasinglecirculationpumpcanalsobeselected.

BymeansofthepressuredifferencebetweenS9andS10the
ECLcontrollerverifiesthatthecirculationpumpinquestionis
operating.

ApplicationA333.1:

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL310

ElectroniccontrollerECLComfort310

S1

Outdoortemperaturesensor

S2

(Optional)Primarysupplytemperaturesensor.For
monitoringpurpose

S3

Secondaryflowtemperaturesensor

S4

(Optional)Secondaryreturntemperaturesensor.For
monitoringpurpose

S5

(Optional)Primaryreturntemperaturesensor

S7

(Optional)Primarysupplypressuresensor.Formonitoring
purpose

S8

(Optional)Primaryreturnpressuresensor.Formonitoring
purpose

S9

Secondaryflowpressuresensor

S10

Secondaryreturnpressuresensor

M1

Motorizedcontrolvalve(3-pointcontrolled)

P1/P2

Circulationpumps

P3/P4

Refillwaterpumps

V1

Refillwatervalve

V2

Pressurereleasevalve

A1

Alarm

Thepressuredifferenceonthesecondarysideisbasedonthestatic
pressuresatS9andS10.Thepressuresaremeasuredas0-10volt
signals(frompressuretransmitters)andconverted(scaled)inthe
ECLcontrollertoappropriatepressurevalues.

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Ifanacceptablepressuredifferenceisnotdetected,theECL
controlleractivatesthealarmandshiftstheoperatingcommandto
theoppositecirculationpump.

TheheatingcanbeswitchedOFFautomaticallywhentheoutdoor
temperatureishigherthanaselectablevalue.

TheFrostprotectionmodemaintainsaselectableflowtemperature,
forexample10°C.

Incaseofatoolowpressure,measuredbyS10,therefillwater
functionwillsupplementwithwaterfromawatersource.

ArefillpumpisswitchedONandtheON/OFFvalveV1opens.

TherefillpumpsP3andP4areoperatedalternately.Onepumpis
usedasworkingpumpandtheotherpumpisusedassparepump.
Thealternationtimecanbesetasanumberofdays.

Asolutionwithasinglerefillpumpcanalsobeselected.

Incaseofatoohighpressure,measuredbyS10,thereleasevalve
V2(ON/OFF)willopeninordertoreducethepressure.

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TheapplicationA333.2isveryflexibleandworkslikeA333.1,
andwiththeseadditionalfeatures:

*

ThecirculationpumpsP1/P2can,asanalternativetoON-OFF
control,bespeedcontrolledbymeansofa0-10voltsignal.
ThedesiredpressuredifferencebetweenS9andS10issetfor
thespeedcontrolprocedure.
Aflow-meterF2(pulsesignal,analoguesignalS13orM-Bus)
measuresthecirculationofwaterintheheatingcircuit.

*

Thelevelintherefillwaterstoragetankismeasuredby
meansofthepressuresensorS12.Whenatoolowpressure
ismeasured,theON/OFFvalveV3opens.Anacceptable
pressurewillclosetheV3valve.

*

TherefillwaterpumpsP3/P4can,asanalternativetoON-OFF
control,bespeedcontrolledbymeansofa0-10voltsignal.
ThedesiredpressureatS10issetforthespeedcontrol
procedure.
Aflow-meterF1(pulsesignalorM-Bus)measurestheinjected
refillwater.

ApplicationA333.2:

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL310

ECA32

ElectroniccontrollerECLComfort310

Built-inextensionmodule

S1

Outdoortemperaturesensor

S2

(Optional)Primarysupplytemperaturesensor.For
monitoringpurpose

S3

Secondaryflowtemperaturesensor

S4

(Optional)Secondaryreturntemperaturesensor.For
monitoringpurpose

S5

(Optional)Primaryreturntemperaturesensor

S7

(Optional)Primarysupplypressuresensor.Formonitoring
purpose

S8

(Optional)Primaryreturnpressuresensor.Formonitoring
purpose

S9

Secondaryflowpressuresensor

S10

Secondaryreturnpressuresensor

F1

(Optional)Flowmeter(pulseorM-bussignal)

F2

(Optional)Flowmeter(pulse,0-10voltorM-bussignal)

M1

Motorizedcontrolvalve(3-pointcontrolled)

M2

Speedcontrol(0-10volt)ofP3/P4

M3

Speedcontrol(0-10volt)ofP1/P2

P1/P2

Circulationpumps

P3/P4

Refillwaterpumps

V1

Refillwatervalve

V2

Pressurereleasevalve

V3

Refillwatertankvalve

A1

Alarm

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OperatingGuideECLComfort310,applicationA333

TheapplicationA333.3isveryflexibleandworkslikeA333.2,
butwiththisfeature:

*

ThemotorizedcontrolvalveM1iscontrolledbymeansofa
0-10voltsignal.

ApplicationA333.2:

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL310

ECA32

ElectroniccontrollerECLComfort310

Built-inextensionmodule

S1

Outdoortemperaturesensor

S2

(Optional)Primarysupplytemperaturesensor.For
monitoringpurpose

S3

Secondaryflowtemperaturesensor

S4

(Optional)Secondaryreturntemperaturesensor.For
monitoringpurpose

S5

(Optional)Primaryreturntemperaturesensor

S7

(Optional)Primarysupplypressuresensor.Formonitoring
purpose

S8

(Optional)Primaryreturnpressuresensor.Formonitoring
purpose

S9

Secondaryflowpressuresensor

S10

Secondaryreturnpressuresensor

F1

(Optional)Flowmeter(pulseorM-bussignal)

F2

(Optional)Flowmeter(pulse,0-10voltorM-bussignal)

M1

Motorizedcontrolvalve(0-10voltcontrolled)

M2

Speedcontrol(0-10volt)ofP3/P4

M3

Speedcontrol(0-10volt)ofP1/P2

P1/P2

Circulationpumps

P3/P4

Refillwaterpumps

V1

Refillwatervalve

V2

Pressurereleasevalve

V3

Refillwatertankvalve

A1

Alarm

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OperatingGuideECLComfort310,applicationA333

ApplicationA333ingeneral:

UptotwoRemoteControlUnits,theECA30canbeconnectedto
oneECLcontrollerinordertocontroltheECLcontrollerremotely.

Exerciseofcirculationpumpsandcontrolvalveinperiodswithout
heatingdemandcanbearranged.

AdditionalECLComfortcontrollerscanbeconnectedviatheECL
485businordertoutilizecommonoutdoortemperaturesignal,
timeanddatesignals.TheECLControllersintheECL485system
canworkinmaster-slavesystem.

Aconnectedfloworenergymeter(basedonM-bussignal)can
limitthefloworenergytoasetmaximumandinrelationtothe
outdoortemperature.

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

ModbuscommunicationtoaSCADAsystemcanbeestablished.
TheM-busdatacanfurthermorebetransferredtotheModbus
communication.

AlarmA1(=relay6)canbeactivated:

•iftheactualflowtemperaturediffersfromthedesiredflow
temperature.

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

•ifthecirculationpump(s)do(es)notgenerateacceptable
pressure.

•iftherefillwaterpump(s)do(es)notgenerateacceptable
pressure.

•ifmeasuredpressuresarenotinsideanacceptablepressure
range.

Thecontrollerispre-programmedwithfactorysettingsthatareshown
inthe‘ParameterIDoverview’appendix.

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OperatingGuideECLComfort310,applicationA333

2.2Identifyingthesystemtype

Sketchyourapplication

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

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

SeetheInstallationGuide(deliveredwiththeapplicationkey)for
applicationtypes/sub-types.

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

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OperatingGuideECLComfort310,applicationA333

A333.1,ex.a

Heatingsystemwithcontrolofupto2circulationpumpsandupto2refillwaterpumps

A333.1,ex.b

Basicheatingsystem

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OperatingGuideECLComfort310,applicationA333

A333.1,ex.c

Heatingsystemwithcirculationpumpfeedback

A333.1,ex.d

Heatingsystemwithrefillwatersystem

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A333.1,ex.e

Heatingsystemwithrefillwaterandexcesspressuresystem

A333.2,ex.a

HeatingsystemwithON/OFFandspeedcontrolofupto2circulationpumpsandupto2refillwaterpumps.Refillwaterstoragecontrol.

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OperatingGuideECLComfort310,applicationA333

A333.3,ex.a

HeatingsystemwithON/OFFandspeedcontrolofupto2circulationpumpsandupto2refillwaterpumps.Refillwaterstoragecontrol.
ControlvalveM1iscontrolledby0-10voltsignal.

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2.3Mounting

2.3.1MountingtheECLComfortcontroller

SeetheInstallationGuidewhichisdeliveredtogetherwiththe
ECLComfortcontroller.

Foreasyaccess,youshouldmounttheECLComfortcontrollernear
thesystem.

ECLComfort210/296/310canbemounted

•onawall

•onaDINrail(35mm)

ECLComfort296canbemounted

•inapanelcut-out

ECLComfort210canbemountedinanECLComfort310basepart
(forfutureupgrade).

Screws,PGcableglandsandrawlplugsarenotsupplied.

LockingtheECLComfort210/310controller

InordertofastentheECLComfortcontrollertoitsbasepart,secure
thecontrollerwiththelockingpin.

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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OperatingGuideECLComfort310,applicationA333

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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2.4Placingthetemperaturesensors

2.4.1Placingthetemperaturesensors

Itisimportantthatthesensorsaremountedinthecorrectposition
inyoursystem.

Thetemperaturesensormentionedbelowaresensorsusedforthe
ECLComfort210/296/310serieswhichnotallwillbeneeded
foryourapplication!

Outdoortemperaturesensor(ESMT)

Theoutdoorsensorshouldbemountedonthatsideofthebuilding
whereitislesslikelytobeexposedtodirectsunshine.Itshouldnot
beplacedclosetodoors,windowsorairoutlets.

Flowtemperaturesensor(ESMU,ESM-11orESMC)

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

Makesurethatthesurfaceofthepipeiscleanandevenwhere
thesensorismounted.

Returntemperaturesensor(ESMU,ESM-11orESMC)

Thereturntemperaturesensorshouldalwaysbeplacedsothatit
measuresarepresentativereturntemperature.

Roomtemperaturesensor
(ESM-10,ECA30/31RemoteControlUnit)

Placetheroomsensorintheroomwherethetemperatureistobe
controlled.Donotplaceitonoutsidewallsorclosetoradiators,
windowsordoors.

Boilertemperaturesensor(ESMU,ESM-11orESMC)

Placethesensoraccordingtotheboilermanufacturer’s
specification.

Airducttemperaturesensor(ESMB-12orESMUtypes)

Placethesensorsothatitmeasuresarepresentativetemperature.

DHWtemperaturesensor(ESMUorESMB-12)

PlacetheDHWtemperaturesensoraccordingtothemanufacturer’s
specification.

Slabtemperaturesensor(ESMB-12)

Placethesensorinaprotectiontubeintheslab.

ESM-11:Donotmovethesensorafterithasbeenfastenedinorderto
avoiddamagetothesensorelement.

ESM-11,ESMCandESMB-12:Useheatconductingpasteforquick
measurementofthetemperature.

ESMUandESMB-12:Usingasensorpockettoprotectthesensorwill,
however,resultinaslowertemperaturemeasurement.

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Pt1000temperaturesensor(IEC751B,1000Ω/0°C)

Relationshipbetweentemperatureandohmicvalue:

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OperatingGuideECLComfort310,applicationA333

2.5Electricalconnections

2.5.1Electricalconnections230Va.c.

Thecommongroundterminalisusedforconnectionofrelevant
components(pumps,motorizedcontrolvalves).

ECL210/310

ECL296

Warning

ElectricconductorsonPCB(PrintedCircuitBoard)forsupplyvoltage,
relaycontactsandtriacoutputsdonothavemutualsafetydistanceof
minimum6mm.Theoutputsarenotallowedtobeusedasgalvanic
separated(voltfree)outputs.

Ifagalvanicseparatedoutputisneeded,anauxiliaryrelayis
recommended.

24Voltcontrolledunits,forexampleactuators,aretobecontrolledby
meansofECLComfort310,24Voltversion.

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SafetyNote

Necessaryassembly,start-up,andmaintenanceworkmustbe
performedbyqualifiedandauthorizedpersonnelonly.

Locallegislationsmustberespected.Thiscomprisesalsocablesize
andisolation(reinforcedtype).

AfusefortheECLComfortinstallationismax.10Atypically.

TheambienttemperaturerangefortheECLComfortinoperationis
0-55°C.Exceedingthistemperaturerangecanresultinmalfunctions.

Installationmustbeavoidedifthereisariskforcondensation(dew).

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2.5.2Electricalconnections,230Va.c.,powersupply,pumps,dampers,motorizedcontrolvalvesetc.

ConnectionsforA333.1andA333.2,ingeneral:

SeealsotheMountingGuide(deliveredwiththeapplicationkey)forapplicationspecificconnections.

ApplicationA333.1/A333.2

Terminal

19
18

A1

17

V2
16
15

P4
14

13

P3
12

P2
11

P1
10

9
8
7

M1

6

M1

5
4

V1

3
2
1

*Relaycontacts:4Aforohmicload,2Aforinductiveload

Description

PhaseforON/OFFvalve/Alarm
Alarm
ON/OFFvalveforpressurerelease
Phaseforrefillwaterpump
Refillwaterpump

Phaseforcirculationpumps/refillwaterpump
Refillwaterpump
Circulationpump
Circulationpump
Supplyvoltage230Va.c.-neutral(N)
Supplyvoltage230Va.c.-live(L)

PhaseformotorizedcontrolvalveM1
Motorizedcontrolvalve-opening
Motorizedcontrolvalve-closing

PhaseforON/OFFvalveV1
ON/OFFvalveforrefillwater
Nottobeused
Nottobeused
Nottobeused

Max.load

4(2)A/230Va.c.*
4(2)A/230Va.c.*

4(2)A/230Va.c.*

4(2)A/230Va.c.*
4(2)A/230Va.c.*
4(2)A/230Va.c.*

0.2A/230Va.c.

0.2A/230Va.c.

0.2A/230Va.c.

Factoryestablishedjumpers:
5to8,9to14,Lto5andLto9,Nto10

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OperatingGuideECLComfort310,applicationA333

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

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OperatingGuideECLComfort310,applicationA333

2.5.3Electricalconnections,230Va.c.,powersupply,pumps,dampers,motorizedcontrolvalvesetc.

ConnectionsforA333.3,ingeneral:

SeealsotheMountingGuide(deliveredwiththeapplicationkey)forapplicationspecificconnections.

ApplicationA333.3

Terminal

19
18

A1
17

V2
16
15

P4
14

13

P3
12

P2
11

P1
10

9
8
7

6
5
4

V1

3
2
1

*Relaycontacts:4Aforohmicload,2Aforinductiveload

Description

PhaseforON/OFFvalve/Alarm
Alarm
ON/OFFvalveforpressurerelease
Phaseforrefillwaterpump
Refillwaterpump

Phaseforcirculationpumps/refillwaterpump
Refillwaterpump
Circulationpump
Circulationpump
Supplyvoltage230Va.c.-neutral(N)
Supplyvoltage230Va.c.-live(L)
Nottobeused
Nottobeused
Nottobeused

PhaseforON/OFFvalveV1
ON/OFFvalveforrefillwater
Nottobeused
Nottobeused
Nottobeused

Max.load

4(2)A/230Va.c.*
4(2)A/230Va.c.*

4(2)A/230Va.c.*

4(2)A/230Va.c.*
4(2)A/230Va.c.*
4(2)A/230Va.c.*

0.2A/230Va.c.

0.2A/230Va.c.

0.2A/230Va.c.

0.2A/230Va.c.

Factoryestablishedjumpers:
5to8,9to14,Lto5andLto9,Nto10

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OperatingGuideECLComfort310,applicationA333

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

AQ076586461441en-010401

©Danfoss|2021.04|25

OperatingGuideECLComfort310,applicationA333

2.5.4Electricalconnections,ECA32

ConnectionsforA333.2andA333.3,ingeneral:

SeealsotheMountingGuide(deliveredwiththeapplicationkey)forapplicationspecificconnections.

Terminal

39

R10
40

R10
41

R9
42

R9
43

R8
44

R8
45

R8
46

R7
47

R7
48

R7

49
50

S11
51

S12
52

S13
53
54
55

Description

Relay10,notused

Relay9,notused

Relay8,notused

Relay7

V3,ON/OFFvalveforpressurerelease
PhaseforON/OFFvalveV3

Commonterminalforinputsignals
Input:PositionsignalfromM1,0-10volt
Input:Refillwaterlevelinstoragetank,0-10volt
Input:F2flowsignal,0-10volt
Nottobeused
Nottobeused
Nottobeused

Max.load

4(2)A/230Va.c.*

4(2)A/230Va.c.*

4(2)A/230Va.c.*

4(2)A/230Va.c.*

56

57

F1
58

F2

59

M1
60

M2
61

M3
62

*Relaycontacts:4Aforohmicload,2Aforinductiveload
**Min.resistance:5KΩ

ReferenceterminalforAnalogueout2(M2)and3(M3)

Input:Flow-meter,pulsetype
Input:Flow-meter,pulsetype

Analogueout1:0-10voltforcontrolofmotorizedcontrolvalveM1(A333.3)
Analogueout2:0-10voltforspeedcontrolofrefillwaterpumpsP3andP4(A333.2,A333.3)
Analogueout3:0-10voltforspeedcontrolofcirculationpumpsP1andP2(A333.2,A333.3)
ReferenceterminalforAnalogueout1(M1)

2mA**
2mA**
2mA**

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OperatingGuideECLComfort310,applicationA333

2.5.5Electricalconnections,ON/OFFvalveV3controlledfromrelayoutputinECA32

ConnectionsforA333.2andA333.3,ingeneral:

SeealsotheMountingGuide(deliveredwiththeapplicationkey)forapplicationspecificconnections.

ApplicationA333.2/A333.3

2.5.6Electricalconnections,230Va.c.,powersupply,motorizedcontrolvalveM1controlledby0-10voltfromECA32

ConnectionsforA333.3,ingeneral:

SeealsotheMountingGuide(deliveredwiththeapplicationkey)forapplicationspecificconnections.

ApplicationA333.3

Thetransformerforsupplyingtheactuatormustbeadouble-isolatedversion.

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©Danfoss|2021.04|27

OperatingGuideECLComfort310,applicationA333

2.5.7Electricalconnections,230Va.c.,powersupply,controlof2or3phasepoweredpumps

ConnectionsforA333.1,ingeneral:

SeealsotheMountingGuide(deliveredwiththeapplicationkey)forapplicationspecificconnections.

ApplicationA333.1

2.5.8Electricalconnections,230Va.c.,powersupply,ON/OFFcontrolandspeedcontrolof1phasepoweredpumps

ConnectionsforA333.2andA333.3,ingeneral:

SeealsotheMountingGuide(deliveredwiththeapplicationkey)forapplicationspecificconnections.

ApplicationA333.2/A333.3

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OperatingGuideECLComfort310,applicationA333

2.5.9Electricalconnections,230Va.c.,powersupply,0-10voltforspeedcontrolof1phasepoweredpumps

ConnectionsforA333.2andA333.3,ingeneral:

SeealsotheMountingGuide(deliveredwiththeapplicationkey)forapplicationspecificconnections.

ApplicationA333.2/A333.3

2.5.10Electricalconnections,230Va.c.,powersupply ,ON/OFFcontrolandspeedcontrolof2or3phasepoweredpumps

ConnectionsforA333.2andA333.3,ingeneral:

SeealsotheMountingGuide(deliveredwiththeapplicationkey)forapplicationspecificconnections.

ApplicationA333.2/A333.3

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©Danfoss|2021.04|29

OperatingGuideECLComfort310,applicationA333

2.5.11Electricalconnections,230Va.c.,powersupply,ON/OFFcontrolandspeedcontrol(viaFrequencyConverter)of1
phasepoweredpumps

ConnectionsforA333.2andA333.3,ingeneral:

SeealsotheMountingGuide(deliveredwiththeapplicationkey)forapplicationspecificconnections.

ApplicationA333.2/A333.3

FC=FrequencyConverter

2.5.12Electricalconnections,230Va.c.,powersupply,ON/OFFcontrolandspeedcontrol(viaFrequencyConverter)of2
or3phasepoweredpumps

ConnectionsforA333.2andA333.3,ingeneral:

SeealsotheMountingGuide(deliveredwiththeapplicationkey)forapplicationspecificconnections.

ApplicationA333.2/A333.3

FC=FrequencyConverter

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