Danfoss ECL Comfort 310, A361 Operating instructions

OperatingGuide

ECLComfort310,applicationA361

1.0TableofContents

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

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

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

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

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

2.3Mounting...........................................................10

2.4Placingthetemperaturesensors................................14

2.5Electricalconnections.............................................16

2.6InsertingtheECLApplicationKey..............................24

2.7Checklist............................................................30

2.8Navigation,ECLApplicationKeyA361.........................31

3.0Dailyuse.........................................................34

3.1Howtonavigate...................................................34

3.2Understandingthecontrollerdisplay..........................35

3.3Ageneraloverview:Whatdothesymbolsmean?...........37

3.4Monitoringtemperaturesandsystem

components........................................................38

3.5Inﬂuenceoverview................................................39

3.6Manualcontrol.....................................................40

3.7Schedule............................................................41

4.0Settingsoverview............................................42

5.0Settings...........................................................44

5.1IntroductiontoSettings..........................................44

5.2Flowtemperature..................................................45

5.3Returnlimit.........................................................50

5.4Flow/powerlimit.................................................54

5.5Optimization........................................................58

5.6Controlparameters................................................64

5.7Pumpcontrol.......................................................68

5.8Reﬁllwater..........................................................71

5.9Application.........................................................76

5.10Alarm................................................................81

5.11Alarmoverview....................................................84

6.0Commoncontrollersettings..............................85

6.1Introductionto‘Commoncontrollersettings’................85

6.2Time&Date.........................................................86

6.3Holiday..............................................................87

6.4Inputoverview.....................................................89

6.5Log...................................................................90

6.6Outputoverride....................................................91

6.7Keyfunctions.......................................................92

6.8System...............................................................94

7.0Miscellaneous................................................101

7.1ECA30/31setupprocedures.................................101

7.2Overridefunction................................................109

7.3Severalcontrollersinthesamesystem......................112

7.4Frequentlyaskedquestions....................................115

7.5Deﬁnitions........................................................118

7.6Type(ID6001),overview.......................................121

7.7ParameterIDoverview..........................................122

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1.1Importantsafetyandproductinformation

1.1.1Importantsafetyandproductinformation

ThisInstallationGuideisassociatedwithECLApplicationKeyA361

(ordercodeno.087H3804).

ThefunctionscanberealizedwithECLComfort310.

TheapplicationA361complieswithECLComfortcontroller310as

ofsoftwareversion1.10(visibleatstart-upofthecontrollerandin

‘Commoncontrollersettings’in‘System’).

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,applicationA361

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,applicationA361

ParametersindicatedwithanIDno.like"1x607"meanauniversal

parameter.

xstandsforcircuit/parametergroup.

DisposalNote

Thisproductshouldbedismantledanditscomponents

sorted,ifpossible,invariousgroupsbeforerecycling

ordisposal.

Alwaysfollowthelocaldisposalregulations.

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OperatingGuideECLComfort310,applicationA361

2.0Installation

2.1Beforeyoustart

TheapplicationA361.1isveryﬂexible.Thesearethebasic

principles:

Heating(circuit1and2):

Typically,theﬂowtemperatureisadjustedaccordingtoyour

requirements.TheﬂowtemperaturesensorS3(circuit1)and

S4(circuit2)arethemostimportantsensors.Thedesiredﬂow

temperaturesatS3andS4arecalculatedintheECLcontroller,

basedontheoutdoortemperature(S1).Thelowertheoutdoor

temperature,thehigherthedesiredﬂowtemperature.

Bymeansofaweekschedule,theheatingcircuitcanbein

‘Comfort’or‘Saving’mode(twodifferenttemperaturevaluesfor

desiredroomtemperature).

ThemotorizedcontrolvalvesM1(circuit1)andM2(circuit2)are

openedgraduallywhentheﬂowtemperatureislowerthanthe

desiredﬂowtemperatureandviceversa.

ThereturntemperaturesS5(circuit1)andS6(circuit2)tothe

districtheatingsupplyshouldnotbetoohigh.Ifso,thedesired

ﬂowtemperaturecanbeadjusted(typicallytoalowervalue),thus

resultinginagradualclosingofthemotorizedcontrolvalves.

Inboiler-basedheatingsupplythereturntemperatureshouldnot

betoolow(sameadjustmentprocedureasabove).

Furthermore,thereturntemperaturelimitationcanbedependent

oftheoutdoortemperature.Typically,thelowertheoutdoor

temperature,thehighertheacceptedreturntemperature.

ThecirculationpumpinquestionisONatheatdemandoratfrost

protection.

TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis

higherthanaselectablevalue.

Thestaticpressureonthesecondaryside(consumerside)can1)

bemeasuredasa0-10Vsignal(fromapressuretransmitter)or

2)beaswitchsignalfromapressureswitch.Incaseofatoolow

pressure,thereﬁllwaterfunctionwillsupplementwithwaterfrom

thesupplyside.

TypicalA361.1application:

Theshowndiagramisafundamentalandsimpliﬁedexampleanddoes

notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

S1

Outdoortemperaturesensor

S3

Flowtemperaturesensor,circuit1

S4

Flowtemperaturesensor,circuit2

S5

Returntemperaturesensor,circuit1

S6

Returntemperaturesensor,circuit2

S7

Differentialpressureswitch,circuit1

S8

Differentialpressureswitch,circuit2

S9

Pressuretransmitterorpressureswitch,circuit2

S10

Pressuretransmitterorpressureswitch,circuit1

P1

Circulationpump,circuit1

P2

Circulationpump,circuit1

P3

Circulationpump,circuit2

P4

Reﬁllwaterpump

P5

Circulationpump,circuit2

M1

Motorizedcontrolvalve,circuit1

M2

Motorizedcontrolvalve,circuit2

V1

Solenoidvalve,circuit1,reﬁllwatervalve

V2

Solenoidvalve,circuit2,reﬁllwatervalve

R6

Relayoutput,alarm

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OperatingGuideECLComfort310,applicationA361

ApplicationA361.1ingeneral:

ThecirculationpumpsP1andP2(circuit1)/P3andP5(circuit2)

workinshiftaccordingtoaschedule.Onepumpisusedasspare

pumpandtheotherpumpisworking.Incaseofmalfunction

(missingdifferentialpressure)ofonepump,theotherpumpwill

takeover.Analarmwillbegeneratedandthedefectivepumpcan

beinspected/repaired.

Alarm(relay6)canbeactivatedif:

•Theactualﬂowtemperaturediffersfromthedesiredﬂow

temperature.

•Theactivatedcirculationpumpdoesnotgenerateapressure

difference.

•Thereﬁllwaterfunctiondoesnotgenerateapressurewithin

apresettime.

ModbuscommunicationtoaSCADAsystemcanbeestablished.

M-buscommunicationenablesconnectiontoﬂoworenergymeter.

Thecontrollercanlimittheﬂoworenergytoasetmaximumbut

alsoinrelationtotheoutdoortemperature.

Furthermore,theM-busdatacanbetransferredtotheModbus

communication.

TypicalA361.1application:

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OperatingGuideECLComfort310,applicationA361

TheapplicationA361.2isveryﬂexible.Thesearethebasic

principles:

Heating(circuit1and2):

Typically,theﬂowtemperatureisadjustedaccordingtoyour

requirements.TheﬂowtemperaturesensorS3(circuit1)and

S4(circuit2)arethemostimportantsensors.Thedesiredﬂow

temperaturesatS3andS4arecalculatedintheECLcontroller,

basedontheoutdoortemperature(S1).Thelowertheoutdoor

temperature,thehigherthedesiredﬂowtemperature.

Thesupplytemperature(S2)isusedto1)controltheS3andS4

temperaturesinrelationtotheS2temperatureor2)maximizethe

limitofthedesiredﬂowtemperature.

Thefactorysetting,wherethesupplytemperature(S2)determines

thedesiredﬂowtemperature,doesnotchangethedesiredﬂow

temperatureaccordingto‘Comfort’or‘Saving’mode.

However,ifthesupplytemperature(S2)determinesamax.

limitationofthedesiredﬂowtemperature,the‘Comfort’and

‘Saving’modewillhavetwodifferenttemperaturevaluesfor

desiredroomtemperature.

ThemotorizedcontrolvalvesM1(circuit1)andM2(circuit2)are

openedgraduallywhentheﬂowtemperatureislowerthanthe

desiredﬂowtemperatureandviceversa.

ThereturntemperaturesS5(circuit1)andS6(circuit2)tothe

districtheatingsupplyshouldnotbetoohigh.Ifso,thedesired

ﬂowtemperaturecanbeadjusted(typicallytoalowervalue),thus

resultinginagradualclosingofthemotorizedcontrolvalves.

Inboiler-basedheatingsupplythereturntemperatureshouldnot

betoolow(sameadjustmentprocedureasabove).

Furthermore,thereturntemperaturelimitationcanbedependent

oftheoutdoortemperature.Typically,thelowertheoutdoor

temperature,thehighertheacceptedreturntemperature.

ThecirculationpumpinquestionisONatheatdemandoratfrost

protection.

TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis

higherthanaselectablevalue.

Thestaticpressureonthesecondaryside(consumerside)can1)

bemeasuredasa0-10Vsignal(fromapressuretransmitter)or

2)beaswitchsignalfromapressureswitch.Incaseofatoolow

pressure,thereﬁllwaterfunctionwillsupplementwithwaterfrom

thesupplyside.

TypicalA361.2application:

Theshowndiagramisafundamentalandsimpliﬁedexampleanddoes

notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

S1

Outdoortemperaturesensor

S2

Supplyﬂowtemperaturesensor

S3

Flowtemperaturesensor,circuit1

S4

Flowtemperaturesensor,circuit2

S5

Returntemperaturesensor,circuit1

S6

Returntemperaturesensor,circuit2

S7

Differentialpressureswitch,circuit1

S8

Differentialpressureswitch,circuit2

S9

Pressuretransmitterorpressureswitch,circuit2

S10

Pressuretransmitterorpressureswitch,circuit1

P1

Circulationpump,circuit1

P2

Circulationpump,circuit1

P3

Circulationpump,circuit2

P4

Reﬁllwaterpump

P5

Circulationpump,circuit2

M1

Motorizedcontrolvalve,circuit1

M2

Motorizedcontrolvalve,circuit2

V1

Solenoidvalve,circuit1,reﬁllwatervalve

V2

Solenoidvalve,circuit2,reﬁllwatervalve

R6

Relayoutput,alarm

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OperatingGuideECLComfort310,applicationA361

ApplicationA361.2ingeneral:

ThecirculationpumpsP1andP2(circuit1)/P3andP5(circuit2)

workinshiftaccordingtoaschedule.Onepumpisusedasspare

pumpandtheotherpumpisworking.Incaseofmalfunction

(missingdifferentialpressure)ofonepump,theotherpumpwill

takeover.Analarmwillbegeneratedandthedefectivepumpcan

beinspected/repaired.

Alarm(relay6)canbeactivatedif:

•Theactualﬂowtemperaturediffersfromthedesiredﬂow

temperature.

•Theactivatedcirculationpumpdoesnotgenerateapressure

difference.

•Thereﬁllwaterfunctiondoesnotgenerateapressurewithin

apresettime.

ModbuscommunicationtoaSCADAsystemcanbeestablished.

M-buscommunicationenablesconnectiontoﬂoworenergymeter.

Thecontrollercanlimittheﬂoworenergytoasetmaximumbut

alsoinrelationtotheoutdoortemperature.

Furthermore,theM-busdatacanbetransferredtotheModbus

communication.

TypicalA361.2application:

Thecontrollerispre-programmedwithfactorysettingsthatareshown

inthe‘ParameterIDoverview’appendix.

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OperatingGuideECLComfort310,applicationA361

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,applicationA361

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,applicationA361

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,applicationA361

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,applicationA361

2.3.3MountingtheinternalI/OmoduleECA32

MountingoftheinternalI/OmoduleECA32

TheECA32module(ordercodeno.087H3202)mustbeinserted

intotheECLComfort310/310Bbasepartforadditionalinputand

outputsignalsinrelevantapplications.

TheconnectionbetweentheECLComfort310/310BandECA32

isa10-pole(2x5)connector.Theconnectionisautomatically

establishedwhentheECLComfort310/310Bisplacedonthe

basepart.

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OperatingGuideECLComfort310,applicationA361

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,applicationA361

Pt1000temperaturesensor(IEC751B,1000Ω/0°C)

Relationshipbetweentemperatureandohmicvalue:

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OperatingGuideECLComfort310,applicationA361

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

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)

forapplicationspeciﬁcconnections.

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OperatingGuideECLComfort310,applicationA361

Wirecrosssection:0.5-1.5mm²

Incorrectconnectioncandamagetheelectronicoutputs.

Max.2x1.5mm²wirescanbeinsertedintoeachscrewterminal.

Maximumloadratings:

Relayterminals

4(2)A/230Va.c.

(4Aforohmicload,2Afor

inductiveload)

Triac(=electronic

relay)terminals

0,2A/230Va.c.

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OperatingGuideECLComfort310,applicationA361

2.5.2Electricalconnections24Va.c.

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)

forapplicationspeciﬁcconnections.

Maximumloadratings:

Relayterminals

4(2)A/24Va.c.

(4Aforohmicload,2Afor

inductiveload)

Triac(=electronic

relay)terminals

1A/24Va.c.

Donotconnect230Va.c.poweredcomponentstoa24Va.c.power

suppliedcontrollerdirectly.Useauxilliaryrelays(K)toseparate230

Va.c.from24Va.c.

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OperatingGuideECLComfort310,applicationA361

2.5.3Electricalconnections,safetythermostats,ingeneral

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)

forapplicationspeciﬁcconnections.

WhenSTisactivatedbyahightemperature,thesafetycircuitinthe

motorizedcontrolvalveclosesthevalveimmediately.

WhenST1isactivatedbyahightemperature(theTRtemperature),the

motorizedcontrolvalveisclosedgradually.Atahighertemperature

(theSTtemperature),thesafetycircuitinthemotorizedcontrolvalve

closesthevalveimmediately.

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OperatingGuideECLComfort310,applicationA361

2.5.4Electricalconnections,Pt1000temperaturesensorsandsignals

SeetheInstallationGuide(deliveredwiththeapplicationkey)for

sensorandinputconnections.

A361.1/A361.2:

Sensor

Description

Recommendedtype

S1

Outdoortemperature

sensor*

ESMT

S2

Supplyﬂowtemperature

sensor**

ESM-11/ESMB/

ESMC/ESMU

S3

Flowtemperaturesensor***,

circuit1

ESM-11/ESMB/

ESMC/ESMU

S4

Flowtemperaturesensor***,

circuit2

ESM-11/ESMB/

ESMC/ESMU

S5

Returntemperaturesensor,

circuit1

ESM-11/ESMB/

ESMC/ESMU

S6

Returntemperaturesensor,

circuit2

ESM-11/ESMB/

ESMC/ESMU

S7

Differentialpressureswitch,

circuit1

S8

Differentialpressureswitch,

circuit2

S9Pressuretransmitter(0–10

Vor4–20mA)orpressure

switch,circuit2

S10Pressuretransmitter(0–10

Vor4–20mA)orpressure

switch,circuit1

*

Iftheoutdoortemperaturesensorisnotconnectedorthe

cableisshort-circuited,thecontrollerassumesthatthe

outdoortemperatureis0(zero)°C.

**

OnlyforapplicationA361.2.

***

Theﬂowtemperaturesensormustalwaysbeconnected

inordertohavethedesiredfunctionality.Ifthesensoris

notconnectedorthecableisshort-circuited,themotorized

controlvalvecloses(safetyfunction).

Connectionof2differentialpressureswitches

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OperatingGuideECLComfort310,applicationA361

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Danfoss ECL Comfort 310, A361 Operating instructions

Danfoss ECL Comfort 310, A361 Operating instructions

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