Danfoss A319 Operating guide

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..............................28

2.7Checklist............................................................35

2.8Navigation,ECLApplicationKeyA319.........................36

3.0Dailyuse.........................................................40

3.1Howtonavigate...................................................40

3.2Understandingthecontrollerdisplay..........................41

3.3Ageneraloverview:Whatdothesymbolsmean?...........44

3.4Monitoringtemperaturesandsystem

components........................................................45

3.5Influenceoverview................................................46

3.6Manualcontrol.....................................................47

3.7Schedule............................................................48

4.0Settingsoverview............................................49

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

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

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

5.3Returnlimit.........................................................55

5.4Controlparameters................................................59

5.5Application.........................................................65

5.6Tanktemperature..................................................72

5.7Alarm................................................................75

5.8Alarmoverview....................................................78

7.0Miscellaneous..................................................95

7.1ECA30/31setupprocedures...................................95

7.2Overridefunction................................................103

7.3Severalcontrollersinthesamesystem......................106

7.4Frequentlyaskedquestions....................................109

7.5Definitions........................................................112

7.6Type(ID6001),overview.......................................116

7.7Automatic/manualupdateoffirmware.....................117

7.8ParameterIDoverview..........................................118

6.0Commoncontrollersettings..............................79

6.1Introductionto‘Commoncontrollersettings’................79

6.2Time&Date.........................................................80

6.3Holiday..............................................................81

6.4Inputoverview.....................................................83

6.5Log...................................................................84

6.6Outputoverride....................................................85

6.7Keyfunctions.......................................................86

6.8System...............................................................88

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OperatingGuideECLComfort310,applicationA319

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>T ools&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.

TheB-typeisoperatedbymeansoftheremotecontrolunit
ECA30/31:

•ECA30(codeno.087H3200)

•ECA31(codeno.087H3201)

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InternalI/Omodules:

•ECA32(codeno.087H3202)

•ECA35(codeno.087H3205)

BasepartforECLComfort310,230voltand24volt:(codeno.
087H3230).

AdditionaldocumentationforECLComfort210and310,modules
andaccessoriesisavailableonhttp://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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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

-

Circuit1Parameterno.

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12174

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

1

-

2

Circuit2Parameterno.

174

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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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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

ECA32

ECA35

S1

S2

S3

S4

S5Returntemperaturesensor

S6

S7

S8

S9

S10

P2

V2

P3

V3

M1

X1

A1

ECLComfort310controller

Built-inextensionmodule,0-10Voutputs

Built-inextensionmodule,0-10Voutputsand
PWMoutputs

Outdoortemperaturesensor

(mandatory)Supplytemperaturesensor

(mandatory)Chargingtemperaturesensor

(monitoringonly)Flowtemperaturesensor

(mandatory)Upperbuffertemperaturesensor

notused

(mandatory)Lowerbuffertemperaturesensor

Pressuredifferencetransmitter(0-10V)

0-10VinputfordesiredtemperatureatS6

Chargingpump(ON-OFFcontrolled)

Speedcontrolofchargingpump(0-10VorPWM)

Circulationpump(ON-OFFcontrolled)

Speedcontrolofcirculationpump(0-10Vor
PWM)

Motorizedcontrolvalve(3-pointcontrolled)

Heatdemandsignal

Alarm

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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

ECA32

ECA35

ECLComfort310controller

Built-inextensionmodule,0-10Voutputs

Built-inextensionmodule,0-10Voutputsand
PWMoutputs

S1

S2

S3

S4

Outdoortemperaturesensor

(mandatory)Supplytemperaturesensor

(mandatory)Chargingtemperaturesensor

(mandatory)Flowtemperaturesensor

S5Returntemperaturesensor

S6

S8

S9

S10

P2

V2

P3

V3

(mandatory)Upperbuffertemperaturesensor

(mandatory)Lowerbuffertemperaturesensor

Pressuredifferencetransmitter(0-10V)

0-10VinputfordesiredtemperatureatS6

Chargingpump(ON-OFFcontrolled)

Speedcontrolofchargingpump(0-10VorPWM)

Circulationpump(ON-OFFcontrolled)

Speedcontrolofcirculationpump(0-10Vor
PWM)

M1

M2

X1

A1

Motorizedcontrolvalve(3-pointcontrolled)

Motorizedcontrolvalve(3-pointcontrolled)

Heatdemandsignal

Alarm

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Thecontrollerispre-programmedwithfactorysettingsthatareshown
inthe‘ParameterIDoverview’appendix.

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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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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

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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OperatingGuideECLComfort310,applicationA319

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,applicationA319

Pt1000temperaturesensor(IEC751B,1000Ω/0°C)

Relationshipbetweentemperatureandohmicvalue:

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2.5Electricalconnections

2.5.1Electricalconnections230Va.c.

Warning

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

Ifagalvanicseparatedoutputisneeded,anauxiliaryrelayis
recommended.

24Voltcontrolledunits,forexampleactuators,aretobecontrolledby
meansofECLComfort310,24Voltversion.

SafetyNote

Necessaryassembly,start-up,andmaintenanceworkmustbe
performedbyqualifiedandauthorizedpersonnelonly.

Locallegislationsmustberespected.Thiscomprisesalsocablesize
andisolation(reinforcedtype).

AfusefortheECLComfortinstallationismax.10Atypically.

TheambienttemperaturerangefortheECLComfortinoperationis
0-55°C.Exceedingthistemperaturerangecanresultinmalfunctions.

Installationmustbeavoidedifthereisariskforcondensation(dew).

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OperatingGuideECLComfort310,applicationA319

Thecommongroundterminalisusedforconnectionofrelevant
components(pumps,motorizedcontrolvalves).

ECL210/310

ECL296

Factoryestablishedjumpersinthebasepart:
5to8,9to14,Lto5andLto9,Nto10

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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)

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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2.5.4Electricalconnections,Pt1000temperaturesensors

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)
forapplicationspecificconnections.

A319

TerminalSensor/description

29and30

28and30

27and30

26and30

25and30

24and30

23and30

22and30

21and30

20and30

S1

Outdoortemperature
sensor*

S2

Supplytemperature
sensor

S3

Chargingtemperature
sensor**

A319.1:

S4

Flowtemperature
sensor,monitoring
A319.2:
Flowtemperature
sensor

S5Returntemperature

sensor

S6

Upperbuffer-tank
temperaturesensor

S7

notused

S8

Upperbuffer-tank
temperaturesensor

S9

Pressuredifference
transmitter(0-10V)

S10

0-10Voltasdesired
temperature

Type
(recom.)

ESMT

ESM-11/
ESMB/
ESMC/
ESMU

ESM-11/
ESMB/
ESMC/
ESMU

ESM-11/
ESMB/
ESMC/
ESMU

ESM-11/
ESMB/
ESMC/
ESMU

ESMB/
ESMU

ESMB/
ESMU

Temperaturesensorsmustbeconnectedinordertohavethe
desiredfunctionality.

*

Iftheoutdoortemperaturesensorisnotconnectedorthe
sensorcableisshort-circuited,thecontrollerassumesthat
theoutdoortemperatureis0(zero)°C.

**

Ifthesensorisnotconnectedorthesensorcableis
short-circuited,themotorizedcontrolvalvecloses(safety
function).

Factoryestablishedjumper:
30tocommonterminal.

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Inputconnnections

Exampleofoverridecontact,connectedtoS7:
(ignoreECL210)

ConnectionofinputS9:

Pressuredifferencetransmitter,0-10Volt

ConnectionofinputS10:

Controlvoltagefordesiredtemperature

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Connectionofswitchforexternaloverride

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

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

communicationbus).
Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).

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2.5.5Electricalconnections,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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Totalcablelength:Max.200m(allsensorsincl.internalECL485
communicationbus).

Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).

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2.5.6Electricalconnections,master/slavesystems

Thecontrollercanbeusedasmasterorslaveinmaster/slave
systemsviatheinternalECL485communicationbus(2xtwisted
paircable).

TheECL485communicationbusisnotcompatiblewiththeECL
businECLComfort110,200,300and301!

Terminal

Description

Type
(recomm.)

30

Commonterminal
+12V*,ECL485communicationbus

31

*OnlyforECA30/31andmaster/
slavecommunication

32

B,ECL485communicationbus

33

A,ECL485communicationbus

Cable2x
twistedpair

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

Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).

ECL485buscable

MaximumrecommendedlengthoftheECL485busiscalculatedlike
this:

Subtract"TotallengthofallinputcablesofallECLcontrollersinthe
master-slavesystem"from200m.

Simpleexamplefortotallengthofallinputcables,3xECL:

1xECL

3xECL

3xECLReturntemp.sensor:

3xECLRoomtemp.sensor:

Total:

MaximumrecommendedlengthoftheECL485bus:
200-81m=119m

Outdoortemp.sensor:

Flowtemp.sensor:

15m

18m

18m

30m

81m

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2.5.7Electricalconnections,communication

Electricalconnections,Modbus

ECLComfort210:Non-galvanicisolatedModbusconnections
ECLComfort296:GalvanicisolatedModbusconnections
ECLComfort310:GalvanicisolatedModbusconnections

Electricalconnections,M-bus

ECLComfort210:Notimplemented
ECLComfort296:Onboard
ECLComfort310:Onboard

Example,M-busconnections

(ECLComfort296/310and310Bonly)

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2.6InsertingtheECLApplicationKey

2.6.1InsertingtheECLApplicationKey

TheECLApplicationKeycontains

•theapplicationanditssubtypes,

•currentlyavailablelanguages,

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

•memoryforusersettings:specialuser/systemsettings.

Afterhavingpowered-upthecontroller,differentsituationsmight
beexisting:

1.Thecontrollerisnewfromthefactory,theECLApplicationKey
isnotinserted.

2.Thecontrolleralreadyrunsanapplication.TheECLApplication
Keyisinserted,buttheapplicationneedstobechanged.

3.Acopyofthecontrollerssettingsisneededforconfiguring
anothercontroller.

ECLComfort210/310

ECLComfort210/310

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

Systemsettingsare,amongothers,communicationset-up,display
brightnessetc.

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Automaticupdateofcontrollersoftware(firmware):

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

1.58(ECL296)).Thefollowinganimationwillbeshownwhenthe
softwareisbeingupdated:

Progressbar

Duringupdate:

•DonotremovetheKEY
Ifthekeyisremovedbeforethehour-glassisshown,youhave
tostartafresh.

•Donotdisconnectthepower
Ifthepowerisinterruptedwhenthehour-glassisshown,the
controllerwillnotwork.

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

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

Keyinserted/notinserted,description:

ECLComfort210/310,controllerversionslowerthan1.36:

-

Takeouttheapplicationkey;for20minutes
settingscanbechanged.

-

Powerupthecontrollerwithoutthe
applicationkeyinserted;for20minutes
settingscanbechanged.

ECLComfort210/310,controllerversions1.36andup:

-

Takeouttheapplicationkey;for20minutes
settingscanbechanged.

-

Powerupthecontrollerwithoutthe
applicationkeyinserted;settingscannotbe
changed.

ECLComfort296,controllerversions1.58andup:

-

Takeouttheapplicationkey;for20minutes
settingscanbechanged.

-

Powerupthecontrollerwithoutthe
applicationkeyinserted;settingscannotbe
changed.

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ApplicationKey:Situation1
Thecontrollerisnewfromthefactory,theECLApplicationKey

isnotinserted.

AnanimationfortheECLApplicationKeyinsertionisdisplayed.
InserttheApplicationKey.

ApplicationKeynameandVersionisindicated(example:A266
Ver.1.03).

IftheECLApplicationKeyisnotsuitableforthecontroller,a"cross"
isdisplayedovertheECLApplicationKey-symbol.

Action:Purpose:

Selectlanguage

Confirm
Selectapplication(subtype)

Somekeyshaveonlyoneapplication.

Confirmwith‘Yes’

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

Choose''Next'

Confirmwith‘Yes’

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

shouldbeactiveornot

*‘Aut.daylight’istheautomaticchangeoverbetweensummer
andwintertime.

DependingonthecontentsoftheECLApplicationKey,procedure
AorBistakingplace:

A
TheECLApplicationkeycontainsfactorysettings:

Thecontrollerreads/transfersdatafromtheECLApplicationKey
toECLcontroller.

Examples:

YESorNO

Theapplicationisinstalled,andthecontrollerresetsandstartsup.

B
TheECLApplicationkeycontainschangedsystemsettings:

Pushthedialrepeatedly.

’NO’:

’YES*:

Ifthekeycontainsusersettings:

Pushthedialrepeatedly.

‘NO:

‘YES*:

*If‘YES’cannotbechosen,theECLApplicationKeydoesnot
containanyspecialsettings.

Choose‘Startcopying’andconfirmwith'Yes'.

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OnlyfactorysettingsfromtheECLApplicationKeywill
becopiedtothecontroller.

Specialsystemsettings(differingfromthefactory
settings)willbecopiedtothecontroller.

OnlyfactorysettingsfromtheECLApplicationKeywill
becopiedtothecontroller.

Specialusersettings(differingfromthefactorysettings)
willbecopiedtothecontroller.

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