Danfoss A361 Operating guide

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..............................25

2.7Checklist............................................................32

2.8Navigation,ECLApplicationKeyA361.........................33

3.0Dailyuse.........................................................36

3.1Howtonavigate...................................................36

3.2Understandingthecontrollerdisplay..........................37

3.3Ageneraloverview:Whatdothesymbolsmean?...........40

3.4Monitoringtemperaturesandsystem

components........................................................41

3.5Influenceoverview................................................42

3.6Manualcontrol.....................................................43

3.7Schedule............................................................44

4.0Settingsoverview............................................45

5.0Settings...........................................................47

5.1IntroductiontoSettings..........................................47

5.2Flowtemperature..................................................48

5.3Returnlimit.........................................................53

5.4Flow/powerlimit.................................................57

5.5Optimization........................................................61

5.6Controlparameters................................................67

5.7Pumpcontrol.......................................................71

5.8Refillwater..........................................................74

5.9Application.........................................................79

5.10Alarm................................................................84

5.11Alarmoverview....................................................88

6.0Commoncontrollersettings..............................89

6.1Introductionto‘Commoncontrollersettings’................89

6.2Time&Date.........................................................90

6.3Holiday..............................................................91

6.4Inputoverview.....................................................93

6.5Log...................................................................94

6.6Outputoverride....................................................95

6.7Keyfunctions.......................................................96

6.8System...............................................................98

7.0Miscellaneous................................................105

7.1ECA30/31setupprocedures.................................105

7.2Overridefunction................................................113

7.3Severalcontrollersinthesamesystem......................116

7.4Frequentlyaskedquestions....................................119

7.5Definitions........................................................122

7.6Type(ID6001),overview.......................................126

7.7Automatic/manualupdateoffirmware.....................127

7.8ParameterIDoverview..........................................128

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OperatingGuideECLComfort310,applicationA361

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.

•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

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

S5Returntemperaturesensor,circuit1

S6Returntemperaturesensor,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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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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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

S5Returntemperaturesensor,circuit1

S6Returntemperaturesensor,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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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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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.

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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

Mountingonawall

Mountthebasepartonawallwithasmoothsurface.Establishthe
electricalconnectionsandpositionthecontrollerinthebasepart.
Securethecontrollerwiththelockingpin.

MountingonaDINrail(35mm)

MountthebasepartonaDINrail.Establishtheelectrical
connectionsandpositionthecontrollerinthebasepart.Secure
thecontrollerwiththelockingpin.

Theeasywaytolockthecontrollertoitsbaseorunlockitistousea
screwdriveraslever.

DismountingtheECLComfortcontroller

Inordertoremovethecontrollerfromthebasepart,pulloutthe
lockingpinbymeansofascrewdriver.Thecontrollercannowbe
removedfromthebasepart.

Theeasywaytolockthecontrollertoitsbaseorunlockitistousea
screwdriveraslever.

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2.3.2MountingtheRemoteControlUnitsECA30/31

Selectoneofthefollowingmethods:

•Mountingonawall,ECA30/31

•Mountinginapanel,ECA30

Screwsandrawlplugsarenotsupplied.

Mountingonawall

MountthebasepartoftheECA30/31onawallwithasmooth
surface.Establishtheelectricalconnections.PlacetheECA30/
31inthebasepart.

BeforeremovingtheECLComfortcontrollerfromthebasepart,ensure
thatthesupplyvoltageisdisconnected.

Mountinginapanel

MounttheECA30inapanelusingtheECA30framekit(ordercode
no.087H3236).Establishtheelectricalconnections.Securethe
framewiththeclamp.PlacetheECA30inthebasepart.TheECA
30canbeconnectedtoanexternalroomtemperaturesensor.

TheECA31mustnotbemountedinapanelifthehumidity
functionistobeused.

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2.3.3MountingtheinternalI/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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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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Thecommongroundterminalisusedforconnectionofrelevant
components(pumps,motorizedcontrolvalves).

ECL210/310

ECL296

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)
forapplicationspecificconnections.

Maximumloadratings:

Relayterminals

4(2)A/230Va.c.
(4Aforohmicload,2Afor
inductiveload)

Triac(=electronic

0,2A/230Va.c.

relay)terminals

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

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2.5.2Electricalconnections24Va.c.

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)
forapplicationspecificconnections.

Maximumloadratings:

Relayterminals

Triac(=electronic
relay)terminals

4(2)A/24Va.c.
(4Aforohmicload,2Afor
inductiveload)

1A/24Va.c.

Donotconnect230Va.c.poweredcomponentstoa24Va.c.power
suppliedcontrollerdirectly.Useauxilliaryrelays(K)toseparate230
Va.c.from24Va.c.

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2.5.3Electricalconnections,safetythermostats,ingeneral

SeealsotheInstallationGuide(deliveredwiththeapplicationkey)
forapplicationspecificconnections.

WhenSTisactivatedbyahightemperature,thesafetycircuitinthe
motorizedcontrolvalveclosesthevalveimmediately.

WhenST1isactivatedbyahightemperature(theTRtemperature),the
motorizedcontrolvalveisclosedgradually.Atahighertemperature
(theSTtemperature),thesafetycircuitinthemotorizedcontrolvalve
closesthevalveimmediately.

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2.5.4Electricalconnections,Pt1000temperaturesensorsandsignals

SeetheInstallationGuide(deliveredwiththeapplicationkey)for
sensorandinputconnections.

A361.1/A361.2:

Sensor

S1

S2

S3

S4

S5Returntemperaturesensor,

S6Returntemperaturesensor,

S7

S8

S9

S10

*

**
***

Description

Outdoortemperature
sensor*

Supplyflowtemperature
sensor**

Flowtemperaturesensor***,
circuit1

Flowtemperaturesensor***,
circuit2

circuit1

circuit2
Differentialpressureswitch,

circuit1
Differentialpressureswitch,

circuit2
Pressuretransmitter(0–10

Vor4–20mA)orpressure
switch,circuit2

Pressuretransmitter(0–10
Vor4–20mA)orpressure
switch,circuit1

Iftheoutdoortemperaturesensorisnotconnectedorthe
cableisshort-circuited,thecontrollerassumesthatthe
outdoortemperatureis0(zero)°C.

OnlyforapplicationA361.2.
Theflowtemperaturesensormustalwaysbeconnected

inordertohavethedesiredfunctionality.Ifthesensoris
notconnectedorthecableisshort-circuited,themotorized
controlvalvecloses(safetyfunction).

Recommendedtype

ESMT

ESM-11/ESMB/
ESMC/ESMU

ESM-11/ESMB/
ESMC/ESMU

ESM-11/ESMB/
ESMC/ESMU

ESM-11/ESMB/
ESMC/ESMU

ESM-11/ESMB/
ESMC/ESMU

Connectionof2differentialpressureswitches

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Connectionofapressuretransmitterwith0-10Voutput

ExampleofapressuretransmitterconnectiontoS10.Pressure
transmittercanbeconnectedinthesamewaytoS9.

Connectionofapressuretransmitterwith4-20mAoutput

The4-20mAsignalisconvertedtoa2-10Vsignalbymeansofthe
500ohmresistor.

ExampleofapressuretransmitterconnectiontoS10.Pressure
transmittercanbeconnectedinthesamewaytoS9.

Connectionof2pressureswitches

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

communicationbus)
Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).

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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2.5.6Electricalconnections,master/slavesystems

Thecontrollercanbeusedasmasterorslaveinmaster/slave
systemsviatheinternalECL485communicationbus(2xtwisted
paircable).

TheECL485communicationbusisnotcompatiblewiththeECL
businECLComfort110,200,300and301!

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

Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).

Terminal

Description

Type
(recomm.)

30

Commonterminal
+12V*,ECL485communicationbus

31

*OnlyforECA30/31andmaster/
slavecommunication

32

B,ECL485communicationbus

33

A,ECL485communicationbus

Cable2x
twistedpair

ECL485buscable

MaximumrecommendedlengthoftheECL485busiscalculatedlike
this:

Subtract"TotallengthofallinputcablesofallECLcontrollersinthe
master-slavesystem"from200m.

Simpleexamplefortotallengthofallinputcables,3xECL:

1xECL

3xECL

3xECLReturntemp.sensor:

3xECLRoomtemp.sensor:

Total:

Outdoortemp.sensor:

Flowtemp.sensor:

15m

18m

18m

30m

81m

2.5.7Electricalconnections,communication

Electricalconnections,Modbus

ECLComfort210:Non-galvanicisolatedModbusconnections
ECLComfort296:GalvanicisolatedModbusconnections
ECLComfort310:GalvanicisolatedModbusconnections

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MaximumrecommendedlengthoftheECL485bus:
200-81m=119m

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2.5.8Electricalconnections,communication

Electricalconnections,M-bus

ECLComfort210:Notimplemented
ECLComfort296:Onboard,non-galvanicisolated.Max.cable
length50m.
ECLComfort310:Onboard,non-galvanicisolated.Max.cable
length50m.

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OperatingGuideECLComfort310,applicationA361

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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ECLComfort296

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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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(Example):

The"i"intheupperrightcornerindicatesthat-besidesthefactory
settings-thesubtypealsocontainsspecialuser/systemssettings.

ApplicationKey:Situation2
Thecontrolleralreadyrunsanapplication.TheECLApplication

Keyisinserted,buttheapplicationneedstobechanged.

TochangetoanotherapplicationontheECLApplicationKey,the
currentapplicationinthecontrollermustbeerased(deleted).

BeawarethattheApplicationKeymustbeinserted.

Action:Purpose:

Choose‘MENU’inanycircuit

Confirm

Choosethecircuitselectoratthetop
rightcornerinthedisplay

Confirm

Choose‘Commoncontrollersettings’

Confirm

Choose‘Keyfunctions’

Confirm

Choose‘Eraseapplication’

Confirmwith‘Yes’

Thecontrollerresetsandisreadytobeconfigured.

Followtheproceduredescribedinsituation1.

Examples:

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ApplicationKey:Situation3
Acopyofthecontrollerssettingsisneededforconfiguring

anothercontroller.

Thisfunctionisused

•forsaving(backup)ofspecialuserandsystemsettings

•whenanotherECLComfortcontrollerofthesametype(210,
296or310)mustbeconfiguredwiththesameapplicationbut
user/systemsettingsdifferfromthefactorysettings.

HowtocopytoanotherECLComfortcontroller:

Action:Purpose:

Choose‘MENU’

Confirm

Choosethecircuitselectoratthetop
rightcornerinthedisplay

Confirm

Choose'Commoncontrollersettings'

Confirm

Goto‘Keyfunctions’

Confirm

Choose‘Copy’

Confirm

Choose‘To’ .
‘ECL’or‘KEY’willbeindicated.Choose
’ECL’orKEY’

Pushthedialrepeatedlytochoose
copydirection

Choose‘Systemsettings’or‘User
settings’

Pushthedialrepeatedlytochoose
‘Yes’or‘No’in‘Copy’ .Pushtoconfirm.

Choose‘Startcopying’
TheApplicationKeyorthecontroller

isupdatedwithspecialsystemoruser
settings.

Examples:

*

’ECL’or‘KEY’ .

**

‘NO’or‘YES’

*
‘ECL’:

‘KEY’:

**
‘NO’:

‘YES’:

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DatawillbecopiedfromtheApplicationKeytothe
ECLController.
DatawillbecopiedfromtheECLControllertothe
ApplicationKey.

ThesettingsfromtheECLcontrollerwillnotbecopied
totheApplicationKeyortotheECLComfortcontroller.
Specialsettings(differingfromthefactorysettings)will
becopiedtotheApplicationKeyortotheECLComfort
controller.IfYEScannotbechosen,therearenospecial
settingstobecopied.

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OperatingGuideECLComfort310,applicationA361

Language

Atapplicationupload,alanguagemustbeselected.*
IfanotherlanguagethanEnglishisselected,theselectedlanguage
ANDEnglishwillbeuploadedintotheECLcontroller.
ThismakesserviceeasyforEnglishspeakingservicepeople,just
becausetheEnglishlanguagemenuscanbevisiblebychanging
theactualsetlanguageintoEnglish.
(Navigation:MENU>Commoncontroller>System>Language)

Iftheuploadedlanguageisnotsuitable,theapplicationmustbe
erased.UserandSystemsettingscanbesavedontheapplication
keybeforeerasing.
Afternewuploadwithpreferredlanguage,theexistingUserand
Systemsettingscanbeuploaded.

*)
(ECLComfort310,24Volt)Iflanguagecannotbeselected,the
powersupplyisnota.c.(alternatingcurrent).

2.6.2ECLApplicationKey,copyingdata

Generalprinciples

Whenthecontrollerisconnectedandoperating,youcancheck
andadjustallorsomeofthebasicsettings.Thenewsettingscan
bestoredontheKey.

Factorysettingscanalwaysberestored.

HowtoupdatetheECLApplicationKeyaftersettingshave
beenchanged?

AllnewsettingscanbestoredontheECLApplicationKey.

Howtostorefactorysettinginthecontrollerfromthe
ApplicationKey?

PleasereadtheparagraphconcerningApplicationKey,Situation
1:Thecontrollerisnewfromthefactory,theECLApplicationKey
isnotinserted.

HowtostorepersonalsettingsfromthecontrollertotheKey?

PleasereadtheparagraphconcerningApplicationKey,Situation3:
Acopyofthecontrollerssettingsisneededforconfiguringanother
controller

Asamainrule,theECLApplicationKeyshouldalwaysremainin
thecontroller.IftheKeyisremoved,itisnotpossibletochange
settings.

Makeanoteofnewsettingsinthe'Settingsoverview'table.

DonotremovetheECLApplicationKeywhilecopying.Thedataon
theECLApplicationKeycanbedamaged!

ItispossibletocopysettingsfromoneECLComfortcontrollerto
anothercontrollerprovidedthatthetwocontrollersarefromthesame
series(210or310).
Furthermore,whentheECLComfortcontrollerhasbeenuploaded
withanapplicationkey,minimumversion2.44,itispossibletoupload
personalsettingsfromapplicationkeys,minimumversion2.14.

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