Danfoss ECL Comfort 310, A319 Operating instructions

OperatingGuide

ECLComfort310,applicationA319

1.0TableofContents

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

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

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

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

2.2Identifyingthesystemtype.......................................9

2.3Mounting...........................................................11

2.4Placingthetemperaturesensors................................15

2.5Electricalconnections.............................................17

2.6InsertingtheECLApplicationKey..............................27

2.7Checklist............................................................33

2.8Navigation,ECLApplicationKeyA319.........................34

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

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

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

3.3Ageneraloverview:Whatdothesymbolsmean?...........41

3.4Monitoringtemperaturesandsystem

components........................................................42

3.5Inﬂuenceoverview................................................43

3.6Manualcontrol.....................................................44

3.7Schedule............................................................45

4.0Settingsoverview............................................46

5.0Settings...........................................................48

5.1IntroductiontoSettings..........................................48

5.2Flowtemperature..................................................49

5.3Returnlimit.........................................................52

5.4Controlparameters................................................56

5.5Application.........................................................63

5.6Tanktemperature..................................................70

5.7Alarm................................................................73

5.8Alarmoverview....................................................76

6.0Commoncontrollersettings..............................77

6.1Introductionto‘Commoncontrollersettings’................77

6.2Time&Date.........................................................78

6.3Holiday..............................................................79

6.4Inputoverview.....................................................81

6.5Log...................................................................82

6.6Outputoverride....................................................83

6.7Keyfunctions.......................................................84

6.8System...............................................................86

7.0Miscellaneous..................................................93

7.1ECA30/31setupprocedures...................................93

7.2Overridefunction................................................101

7.3Severalcontrollersinthesamesystem......................104

7.4Frequentlyaskedquestions....................................107

7.5Deﬁnitions........................................................110

7.6Type(ID6001),overview.......................................113

7.7ParameterIDoverview..........................................114

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1.1Importantsafetyandproductinformation

1.1.1Importantsafetyandproductinformation

ThisOperatingGuideisassociatedwiththeECLApplicationKey

A319(codeno.087H3831)

TheECLApplicationKeyA319containstwosubtypes:

•A319.1:Heatingsupply,directlyfrombuffer

•A319.2:asA319.1,butwithmixingcircuitafterthebuffer

SeetheInstallationGuideforelectricalconnections.

ThedescribedfunctionsarerealizedinECLComfort310whichalso

allowsM-bus,ModbusandEthernet(Internet)communication.

TheApplicationKeyA319complieswithECLComfort310

controllersasofsoftwareversion1.11(visibleatstart-upofthe

controllerandin'Commoncontrollersettings'in'System').

UptotwoRemoteControlUnits,ECA30orECA31,canbe

connected.

TheapplicationA319workswithadditionalInternalI/Omodules:

•TheextensionmoduleECA32gives0-10Voltsignalforspeed

controlofchargingandcirculationpumps

•TheextensionmoduleECA35gives0-10Voltsignalforspeed

controlofchargingandcirculationpumps.ECA35canalso

givePWM*signalforspeedcontrolofchargingandcirculation

pumps.

TheECLComfort310workswitheitheroneECA32oroneECA

35.TheInternalI/Omoduleinquestionisplacedinthebasepart

oftheECLComfort310.

*PWM=PulseWidthModulation

TogetherwiththeECLComfort310theadditionalInternalI/O

modulescanalsobeusedforextradatacommunicationtoSCADA:

•Temperature,Pt1000(default)

•0-10voltsignals

Theset-upofinputtypecanbedonebymeansoftheDanfoss

Software"ECLTool".

Navigation:Danfoss.com>Products&Solutions>DistrictHeating

andCooling>Tools&Software>ECLTool.

TheURLis:http://district-heating.danfoss.com/download/tools/

ECLComfort310isavailableas:

•ECLComfort310,230volta.c.(codeno.087H3040)

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

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

TheB-typehasnodisplayanddial.

TheB-typeisoperatedbymeansoftheremotecontrolunit

ECA30/31:

•ECA30(codeno.087H3200)

•ECA31(codeno.087H3201)

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OperatingGuideECLComfort310,applicationA319

InternalI/Omodules:

•ECA32(codeno.087H3202)

•ECA35(codeno.087H3205)

BasepartforECLComfort310,230voltand24volt:(codeno.

087H3230).

AdditionaldocumentationforECLComfort210and310,modules

andaccessoriesisavailableonhttp://heating.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.

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OperatingGuideECLComfort310,applicationA319

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

-

Circuit1

Parameterno.

12174

1

2

174

-

Circuit2

Parameterno.

IfanIDdescriptionismentionedmorethanonce,itmeansthatthere

arespecialsettingsforoneormoresystemtypes.Itwillbemarked

withthesystemtypeinquestion(e.g.12174-A266.9).

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OperatingGuideECLComfort310,applicationA319

ParametersindicatedwithanIDno.like"1x607"meanauniversal

parameter.

xstandsforcircuit/parametergroup.

DisposalNote

Thisproductshouldbedismantledanditscomponents

sorted,ifpossible,invariousgroupsbeforerecycling

ordisposal.

Alwaysfollowthelocaldisposalregulations.

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OperatingGuideECLComfort310,applicationA319

2.0Installation

2.1Beforeyoustart

TheECLapplicationkeyA319contains2subtypes:A319.1and

A319.2.

Theseheatingbasedapplicationsareveryﬂexible.

ThebasicprinciplesforapplicationA319.1:

Temperaturecontrolofbuffer

ThebuffertemperatureS6isadjustedaccordingtoyour

requirements.ThesupplytemperaturesensorS2,thebuffer

temperaturesensorsS6andS8andthechargingtemperature

sensorS3arethemostimportantsensorsandmustbeconnected.

ThedesiredbuffertemperatureatS6iscalculatedintheECL

controller,basedonthedemandfromtheheatingcircuit

(consumer).ThisdemandisaresultoftheoutdoortemperatureS1,

theheatcurveandadesiredroomtemperature.Acompensation

fortheheatlossbetweenbuffertankandconsumercanbeset

as"Demandoffset" .

ThechargingtemperatureatS3isbasedonthedesiredbuffer

temperatureatS6andachargingdifference.

Startbufferchargingprocess:

1.BuffertemperatureS6temperaturegetslowerthan('Desired

buffertemperature'+'Startdifference').

Anexample:60°C+(-7)=53°C

2.X1isswitchedON

3.M1opensinordertoincreasethesupplytemperatureS2

4.P2isswitchedONwhensupplytemperatureS2getshigher

than('Desiredbuffertemperature'+'Pumpstartdiff.').

Example:60°C+3K=63°C

V2startswithminimumspeed,forexample20%

5.M1controlsthechargingtemperatureatS3

6.V2increasesthespeedaslongasthechargingtemperatureis

equaltothedesiredchargingtemperature.

Stopbufferchargingprocess:

1.BuffertemperatureS6temperaturegetshigherthan('Desired

buffertemperature'+'Startdifference)

AND

LowerbuffertemperatureS8getshigherthan('Desiredbuffer

temperature'+'Stopdifference).

Anexample:S6temperaturehigherthan(60°C+(-7)=53°C)

AND(60°C+(-4)=56°C)

2.P2isswitchedOFF,respecting'Char.Ppost-run'.V2changes

to0%.

NOTE:Post-runisnotrespectedifchargingtemperatureS3islower

thandesiredchargingtemperature.

3.X1isswitchedOFF

4.M1closesormaintainsthedesiredtemperatureatS3.

TypicalA319.1application:

Theshowndiagramisafundamentalandsimpliﬁedexampleanddoes

notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL310

ECLComfort310controller

ECA32

Built-inextensionmodule,0-10Voutputs

ECA35

Built-inextensionmodule,0-10Voutputsand

PWMoutputs

S1

Outdoortemperaturesensor

S2

(mandatory)Supplytemperaturesensor

S3

(mandatory)Chargingtemperaturesensor

S4

(monitoringonly)Flowtemperaturesensor

S5

Returntemperaturesensor

S6

(mandatory)Upperbuffertemperaturesensor

S7

notused

S8

(mandatory)Lowerbuffertemperaturesensor

S9

Pressuredifferencetransmitter(0-10V)

S10

0-10VinputfordesiredtemperatureatS6

P2

Chargingpump(ON-OFFcontrolled)

V2

Speedcontrolofchargingpump(0-10VorPWM)

P3

Circulationpump(ON-OFFcontrolled)

V3

Speedcontrolofcirculationpump(0-10Vor

PWM)

M1

Motorizedcontrolvalve(3-pointcontrolled)

X1

Heatdemandsignal

A1

Alarm

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OperatingGuideECLComfort310,applicationA319

Bymeansofaweekschedule,thecircuitcanbein‘Comfort’or

‘Saving’mode(twovaluesforthedesiredroomtemperature).In

'Saving'modetheheatingcanbereducedorswitchedofftotally.

Themotorizedcontrolvalve(M1)isopenedgraduallywhen

thechargingtemperatureislowerthanthedesiredcharging

temperatureandviceversa.

ThereturntemperatureS5canbelimited,forexamplenottobe

toohigh.Ifso,thedesiredchargingtemperatureatS3canbe

adjusted(typicallytoalowervalue);thisresultsinagradualclosing

ofthemotorizedcontrolvalve.

Furthermore,thereturntemperaturelimitationcanbedependent

ontheoutdoortemperature.Typically,thelowertheoutdoor

temperature,thehighertheacceptedreturntemperature.

TheON-OFFoutputX1isONatheatingdemand.

ThecirculationpumpP3isONatheatingdemandoratfrost

protection.

Unusedinputcan,bymeansofanoverrideswitchorrelaycontact,

beusedforoverridingthescheduletoaﬁxed'Comfort','Saving' ,

'Frostprotection'or'Constanttemperature'mode.

UptotwoRemoteControlUnits,ECA30/31canbeconnectedto

oneECLcontrollerinordertocontroltheECLcontrollerremotely.

The'Frostprotection'modemaintainsaselectabletemperature,

forexample10°C.

AdditionalECLComfortcontrollerscanbeconnectedviatheECL

485businordertoutilizecommonoutdoortemperaturesignal,

timeanddatesignals.TheECLControllersintheECL485bus

systemcanworkasmasterandslaves.

AlarmA1(=relay6)canbeactivatedif:

•theactualchargingtemperaturediffersfromthedesiredcharge

temperature

•thesupplytemperaturedoesnotreachthenecessarylevel

•atemperaturesensororitsconnectiondisconnects/short

circuits.(See:Commoncontrollersettings>System>Raw

inputoverview)

Pressuredifferencecontrol(optional):

ThecirculationpumpP3/V3can,asanalternativetoON-OFF

control,bespeedcontrolledbymeansofa0-10voltsignalora

PWMsignal.ThedesiredpressuredifferenceatS9canbesetforthe

speedcontrolprocedure.

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OperatingGuideECLComfort310,applicationA319

ThebasicprinciplesforapplicationA319.2:

TheapplicationA319.2workslikeA319.1andwiththeseadditional

features:

Themotorizedcontrolvalve(M2)isopenedgraduallywhenthe

ﬂowtemperatureS4islowerthanthedesiredﬂowtemperature

andviceversa.

TypicalA319.2application:

Theshowndiagramisafundamentalandsimpliﬁedexampleanddoes

notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL310

ECLComfort310controller

ECA32

Built-inextensionmodule,0-10Voutputs

ECA35

Built-inextensionmodule,0-10Voutputsand

PWMoutputs

S1

Outdoortemperaturesensor

S2

(mandatory)Supplytemperaturesensor

S3

(mandatory)Chargingtemperaturesensor

S4

(mandatory)Flowtemperaturesensor

S5

Returntemperaturesensor

S6

(mandatory)Upperbuffertemperaturesensor

S8

(mandatory)Lowerbuffertemperaturesensor

S9

Pressuredifferencetransmitter(0-10V)

S10

0-10VinputfordesiredtemperatureatS6

P2

Chargingpump(ON-OFFcontrolled)

V2

Speedcontrolofchargingpump(0-10VorPWM)

P3

Circulationpump(ON-OFFcontrolled)

V3

Speedcontrolofcirculationpump(0-10Vor

PWM)

M1

Motorizedcontrolvalve(3-pointcontrolled)

M2

Motorizedcontrolvalve(3-pointcontrolled)

X1

Heatdemandsignal

A1

Alarm

Thecontrollerispre-programmedwithfactorysettingsthatareshown

inthe‘ParameterIDoverview’appendix.

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OperatingGuideECLComfort310,applicationA319

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.

A319.1,ex.a

Chargingcontrolofbuffertemperatureandheatingsupplydirectlyfrombuffer.Controlofpressuredifference.

Sensoradvice:

SensorS3,S6andS8mustbeconnected.Ifnot,thechargingprocesswillnotwork.

IfpressuredifferencesensorS9isnotconnected,thespeedcontrolofP3/V3isnotinaction.

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OperatingGuideECLComfort310,applicationA319

A319.2,ex.a

Chargingcontrolofbuffertemperatureandheatingsupplyfrombufferviamixingcircuit.Controlofpressuredifference.

Sensoradvice:

SensorS3,S4,S6andS8mustbeconnected.Ifnot,thechargingprocesswillnotwork.

IfpressuredifferencesensorS9isnotconnected,thespeedcontrolofP3/V3isnotinaction.

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OperatingGuideECLComfort310,applicationA319

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,applicationA319

Theeasywaytolockthecontrollertoitsbaseorunlockitistousea

screwdriveraslever.

Mountingonawall

Mountthebasepartonawallwithasmoothsurface.Establishthe

electricalconnectionsandpositionthecontrollerinthebasepart.

Securethecontrollerwiththelockingpin.

MountingonaDINrail(35mm)

MountthebasepartonaDINrail.Establishtheelectrical

connectionsandpositionthecontrollerinthebasepart.Secure

thecontrollerwiththelockingpin.

DismountingtheECLComfortcontroller

Inordertoremovethecontrollerfromthebasepart,pulloutthe

lockingpinbymeansofascrewdriver.Thecontrollercannowbe

removedfromthebasepart.

Theeasywaytolockthecontrollertoitsbaseorunlockitistousea

screwdriveraslever.

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OperatingGuideECLComfort310,applicationA319

BeforeremovingtheECLComfortcontrollerfromthebasepart,ensure

thatthesupplyvoltageisdisconnected.

2.3.2MountingtheRemoteControlUnitsECA30/31

Selectoneofthefollowingmethods:

•Mountingonawall,ECA30/31

•Mountinginapanel,ECA30

Screwsandrawlplugsarenotsupplied.

Mountingonawall

MountthebasepartoftheECA30/31onawallwithasmooth

surface.Establishtheelectricalconnections.PlacetheECA30/

31inthebasepart.

Mountinginapanel

MounttheECA30inapanelusingtheECA30framekit(ordercode

no.087H3236).Establishtheelectricalconnections.Securethe

framewiththeclamp.PlacetheECA30inthebasepart.TheECA

30canbeconnectedtoanexternalroomtemperaturesensor.

TheECA31mustnotbemountedinapanelifthehumidity

functionistobeused.

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OperatingGuideECLComfort310,applicationA319

2.3.3MountingtheinternalI/OmoduleECA32orECA35

TheECA32module(ordercodeno.087H3202)orECA35module

(ordercodeno.087H3205)canbeinsertedintotheECLComfort

310/310Bbasepartforadditionalinputandoutputsignalsin

relevantapplications.

ECA32

ECA35

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OperatingGuideECLComfort310,applicationA319

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,applicationA319

Pt1000temperaturesensor(IEC751B,1000Ω/0°C)

Relationshipbetweentemperatureandohmicvalue:

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OperatingGuideECLComfort310,applicationA319

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).

ECL210/310

ECL296

Factoryestablishedjumpersinthebasepart:

5to8,9to14,Lto5andLto9,Nto10

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OperatingGuideECLComfort310,applicationA319

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

Connections,ingeneral.

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)forapplicationspeciﬁcconnections.

Maximumloadratings:

Relayterminals

4(2)A/230Va.c.

(4Aforohmicload,2Aforinductiveload)

Triac(electronicrelay)terminals

0,2A/230Va.c.

Wirecrosssection:0.5-1.5mm²

Incorrectconnectioncandamagetheelectronicoutputs.

Max.2x1.5mm²wirescanbeinsertedintoeachscrewterminal.

2.5.3Electricalconnections,24Va.c.,powersupply,pumps,motorizedcontrolvalvesetc.

Connections,ingeneral.

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)forapplicationspeciﬁcconnections.

Maximumloadratings:

Relayterminals

4(2)A/24Va.c.

(4Aforohmicload,2Aforinductiveload)

Triac(electronicrelay)terminals

1A/24Va.c.

Donotconnect230Va.c.poweredcomponentstoa24Va.c.power

suppliedcontrollerdirectly.Useauxilliaryrelays(K)toseparate230

Va.c.from24Va.c.

Wirecrosssection:0.5-1.5mm²

Incorrectconnectioncandamagetheelectronicoutputs.

Max.2x1.5mm²wirescanbeinsertedintoeachscrewterminal.

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OperatingGuideECLComfort310,applicationA319

Electricalconnections,ECA32/ECA35

Connections,ingeneral.

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)forapplicationspeciﬁcconnections.

Maximumloadratings:

Terminals

ECA32ECA35

PWMOut1(52)

5k*

PWMOut2(53)

5k*

PWMOut3(54)

5k*

PWMOut4(55)

5k*

AnalogOut1(59)AnalogOut1(59)47k*

AnalogOut2(60)AnalogOut2(60)47k*

AnalogOut3(61)AnalogOut3(61)47k*

*Thevalueisaminimum.

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OperatingGuideECLComfort310,applicationA319

2.5.4Electricalconnections,Pt1000temperaturesensors

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)

forapplicationspeciﬁcconnections.

A319

TerminalSensor/description

Type

(recom.)

29and30

S1

Outdoortemperature

sensor*

ESMT

28and30

S2

Supplytemperature

sensor

ESM-11/

ESMB/

ESMC/

ESMU

27and30

S3

Chargingtemperature

sensor**

ESM-11/

ESMB/

ESMC/

ESMU

26and30

S4

A319.1:

Flowtemperature

sensor,monitoring

A319.2:

Flowtemperature

sensor

ESM-11/

ESMB/

ESMC/

ESMU

25and30

S5

Returntemperature

sensor

ESM-11/

ESMB/

ESMC/

ESMU

24and30

S6

Upperbuffer-tank

temperaturesensor

ESMB/

ESMU

23and30

S7

notused

22and30

S8

Upperbuffer-tank

temperaturesensor

ESMB/

ESMU

21and30

S9

Pressuredifference

transmitter(0-10V)

20and30

S10

0-10Voltasdesired

temperature

Temperaturesensorsmustbeconnectedinordertohavethe

desiredfunctionality.

*

Iftheoutdoortemperaturesensorisnotconnectedorthe

sensorcableisshort-circuited,thecontrollerassumesthat

theoutdoortemperatureis0(zero)°C.

**

Ifthesensorisnotconnectedorthesensorcableis

short-circuited,themotorizedcontrolvalvecloses(safety

function).

Factoryestablishedjumper:

30tocommonterminal.

VI.JM.L4.02

OperatingGuideECLComfort310,applicationA319

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Danfoss ECL Comfort 310, A319 Operating instructions

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