Danfoss A367 Operating guide

OperatingGuide

ECLComfort310,applicationA367

1.0TableofContents

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

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

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

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

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

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

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

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

2.6InsertingtheECLApplicationKey..............................26

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

2.8Navigation,ECLApplicationKeyA367.........................34

3.0Dailyuse.........................................................37

3.1Howtonavigate...................................................37

3.2Understandingthecontrollerdisplay..........................38

3.3Ageneraloverview:Whatdothesymbolsmean?...........42

3.4Monitoringtemperaturesandsystem

components........................................................43

3.5Influenceoverview................................................44

3.6Manualcontrol.....................................................45

3.7Schedule............................................................46

4.0Settingsoverview............................................47

5.0Settings...........................................................50

5.1IntroductiontoSettings..........................................50

5.2Flowtemperature..................................................51

5.3Roomlimit..........................................................55

5.4Returnlimit.........................................................57

5.5Flow/powerlimit.................................................64

5.6Optimization........................................................69

5.7Controlparameters................................................76

5.8Application.........................................................80

5.9Heatcut-out........................................................90

5.10Tanktemperature..................................................93

5.11Alarm................................................................98

5.12Alarmoverview..................................................101

5.13Anti-bacteria......................................................102

6.0Commoncontrollersettings............................104

6.1Introductionto‘Commoncontrollersettings’..............104

6.2Time&Date.......................................................105

6.3Holiday............................................................106

6.4Inputoverview...................................................108

6.5Log.................................................................109

6.6Outputoverride..................................................110

6.7Keyfunctions.....................................................111

6.8System.............................................................113

7.0Miscellaneous................................................120

7.1ECA30/31setupprocedures.................................120

7.2Overridefunction................................................128

7.3Severalcontrollersinthesamesystem......................131

7.4Frequentlyaskedquestions....................................134

7.5Definitions........................................................137

7.6Type(ID6001),overview.......................................141

7.7Automatic/manualupdateoffirmware.....................142

7.8ParameterIDoverview..........................................143

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OperatingGuideECLComfort310,applicationA367

1.1Importantsafetyandproductinformation

1.1.1Importantsafetyandproductinformation

ThisInstallationGuideisassociatedwithECLApplicationKeyA367
(ordercodeno.087H3813).

ThefunctionscanberealizedinECLComfort310whichincludes
M-bus,ModbusandEthernet(Internet)communication.

TheapplicationsA367.1andA367.2complywithECLComfort
controller310asofsoftwareversion1.11(visibleatstart-upofthe
controllerandin‘Commoncontrollersettings’in‘System’).

AdditionaldocumentationforECLComfort310,modulesand
accessoriesisavailableonhttp://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

Thetwoapplications,A367.1andA367.2arealmostidentical.
However,A367.2hassomeextrafunctionswhicharedescribed
separately.

Theapplicationsareveryflexible.Thesearethebasicprinciples:

Heating(circuit1):

Typically,theflowtemperatureisadjustedaccordingtoyour
requirements.TheflowtemperaturesensorS3isthemost
importantsensor.ThedesiredflowtemperatureatS3iscalculated
intheECLcontroller,basedontheoutdoortemperature(S1).

Thelowertheoutdoortemperature,thehigherthedesiredflow
temperature.Bymeansofaweekschedule(upto3‘Comfort’
periods/day),theheatingcircuit1canbein‘Comfort’or
‘Saving’mode(twodifferenttemperaturevaluesfordesiredroom
temperature).

ThemotorizedcontrolvalveM1isopenedgraduallywhenthe
flowtemperatureislowerthanthedesiredflowtemperatureand
viceversa.

Thereturntemperature(S5)tothedistrictheatingsupplyshould
notbetoohigh.Ifso,thedesiredflowtemperaturecanbeadjusted
(typicallytoalowervalue),thusresultinginagradualclosingofthe
motorizedcontrolvalve.

Inboiler-basedheatingsupplythereturntemperatureshouldnot
betoolow(sameadjustmentprocedureasabove).

TypicalA367application:

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Furthermore,thereturntemperaturelimitationcandepend
ontheoutdoortemperature.Typically,thelowertheoutdoor
temperature,thehighertheacceptedreturntemperature.

Ifthemeasuredroomtemperature(S7)doesnotequalthedesired
roomtemperature,thedesiredflowtemperaturecanbeadjusted.

Thecirculationpump(P1)isONatheatdemandoratfrost
protection.Thecirculationpump(P1)isswitchedOFFwhen
heatingtheDHW.Ifthesystemhasachangeovervalve(P2/M3)
betweentheheatingandDHWcircuit,thecirculationpump(P1)
isONwhenheatingtheDHW.

TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis
higherthanaselectablevalue.

Listofcomponents:

S1

Outdoortemperaturesensor

S2Returntemperaturesensor,circuit2

S3

Flowtemperaturesensor,circuit1

S4

Flowtemperaturesensor,circuit2

S5Returntemperaturesensor,circuit1

S6

DHWtanktemperaturesensor,upper

S7Roomtemperaturesensor,circuit1

S8

DHWtanktemperaturesensor,lower

S9Roomtemperaturesensor,circuit2

P1

Circulationpump,heating,circuit1

P2

DHWheatingpump,circuit3

P3

DHWcirculationpump,circuit3

P5

Circulationpump,heating,circuit2

M1

Motorizedcontrolvalve,circuit1andDHW

M2

Motorizedcontrolvalve,circuit2

(M3)

(Changeovervalve,circuit1,heating/DHW)

R6

Relayoutput,alarm

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Heating(circuit2):

Thiscircuitworksaftersameprinciplesascircuit1.

TheflowtemperaturesensorS4isthemostimportantsensor.

Bymeansofaweekschedule(upto3‘Comfort’periods/day),the
heatingcircuit2canbein‘Comfort’or‘Saving’mode(twodifferent
temperaturevaluesfordesiredroomtemperature).Themotorized
controlvalveM2controlsthecircuit.

Thereturntemperature(S2)enableslimitationasdescribed
previously.

IfthemeasuredroomtemperatureS9(S7inA367.2)doesnot
equalthedesiredroomtemperature,thedesiredflowtemperature
canbeadjusted.

Thecirculationpump(P5)isONatheatdemandoratfrost
protection.

TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis
higherthanaselectablevalue.

Heatingcircuit2canbeconnectedafterheatingcircuit1.Ifso,the
desiredflowtemperatureatS3canbeinfluencedbythedesired
flowtemperatureatS4.

A367.2heatingcircuit1and2:

Theheatingcircuit1and2canusethesameroomtemperature
sensor(S7).However,eachheatingcircuitcanhaveanECA30,
RemoteControlUnit,inordertohaveseparateroomtemperature
signals.Anothersolution:UseS7foroneoftheheatingcircuitsand
ECA30fortheotherheatingcircuit.

A367.1examplea:

A367.1exampleb:

A367.1examplec:

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DomesticHotWater(DHW ,circuit3):

Bymeansofaweekschedule(upto3Comfortperiods/day),the
DHWcircuitcanbein‘Comfort’or‘Saving’mode(twodifferent
temperaturevaluesfordesiredDHWtemperature).

A367.1:

IfthemeasuredDHWtemperature(S6)islowerthanthedesired
DHWtemperature,theheatingcirculationpump(P1)isswitched
OFFandtheDHWheatingpump(P2)isswitchedON.The
motorizedcontrolvalve(M1)iscontrolledinordertomaintainthe
DHWheatingtemperatureatS3.

TheDHWheatingtemperatureistypically10-15degreeshigher
thanthedesiredDHWtemperature.

DHWtankwith1temperaturesensor:
WhenthemeasuredDHWtemperature(S6)getshigherthanthe
desiredDHWtemperature,theDHWheatingpump(P2)isswitched
OFF.Apost-runtimecanbeset.Themotorizedcontrolvalve(M1)
willhereaftermaintainthedesiredflowtemperatureintheheating
circuit.

DHWtankwith2temperaturesensors:
WhenthemeasuredDHWtemperature(S6)getshigherthanthe
desiredDHWtemperatureandthelowertemperature(atS8)gets
higherthanthecut-outtemperature,theDHWheatingpump(P2)
isswitchedOFF.Apost-runtimecanbeset.Themotorizedcontrol
valve(M1)willhereaftermaintainthedesiredflowtemperaturein
theheatingcircuit.

A367.1exampled:

A367.1examplee:

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A367.2:

IfthemeasuredDHWtemperature(S6)islowerthanthedesired
DHWtemperature,theheatingcirculationpump(P1)isswitched
OFFandtheDHWpump(P2)isswitchedON.Themotorizedcontrol
valve(M1)iscontrolledinordertomaintaintheDHWheating
temperatureatS3.

TheDHWheatingtemperatureisdeterminedbythedesiredDHW
chargingtemperatureatS9.WhentheDHWheatingtemperature
isreached,(ormax.3minutesafterDHWheatingdemand),the
DHWchargingpumpP4isswitchedON.

TheDHWchargingtemperatureistypically5-10degreeshigher
thanthedesiredDHWtemperature.

IftheDHWchargingtemperatureatS9cannotbereached,the
ECLcontrollergraduallyincreasesthedesiredDHWheating
temperatureatS3inordertoobtainthechargingtemperature.
Amax.valuecanbeset.

DHWtankwith1temperaturesensor:
WhenthemeasuredDHWtemperature(S6)getshigherthanthe
desiredDHWtemperature,theDHWpump(P2)andDHWcharging
pump(P4)areswitchedOFF .Post-runtimescanbeset.The
motorizedcontrolvalve(M1)willhereaftermaintainthedesired
flowtemperatureintheheatingcircuit.

DHWtankwith2temperaturesensors:
WhenthemeasuredDHWtemperature(S6)getshigherthanthe
desiredDHWtemperatureandthelowertemperature(atS8)gets
higherthanthecut-outtemperature,theDHWpump(P2)and
DHWchargingpump(P4)areswitchedOFF.Post-runtimescanbe
set.Themotorizedcontrolvalve(M1)willhereaftermaintainthe
desiredflowtemperatureintheheatingcircuit.

TypicalA367.2application:

Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

S1

Outdoortemperaturesensor

S2Returntemperaturesensor,circuit2

S3

Flowtemperaturesensor,circuit1

S4

Flowtemperaturesensor,circuit2

S5Returntemperaturesensor,circuit1

S6

DHWtanktemperaturesensor,upper

S7

Roomtemperaturesensor,circuit1/2

S8

DHWtanktemperaturesensor,lower

S9

DHWchargingtemperaturesensor,circuit3

P1

Circulationpump,heating,circuit1

P2

DHWheatingpump,circuit3

P3

DHWcirculationpump,circuit3

P4

DHWchargingpump,circuit3

P5

Circulationpump,heating,circuit2

M1

Motorizedcontrolvalve,circuit1andDHW

M2

Motorizedcontrolvalve,circuit2

(M3)

(Changeovervalve,circuit1,heating/DHW)

R6

Relayoutput,alarm

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DHWcircuit,ingeneral:

Iftheinstallationhasachangeovervalve(P2/M3),alsocalled
priority-valve,betweentheheatingandtheDHWcircuits,the
changeovervalveisactivatedatDHWheatingdemand.The
circulationpump(P1)isONwhenheatingtheDHW.

Parallelmodeintwo-pumpapplications:
IftheDHWheatingtemperaturehasavalueclosetothedesired
flowtemperatureintheheatingcircuit,thecirculationpump(P1)in
theheatingcircuitwillnotbeswitchedOFFduringDHWheating.

Thereturntemperature(S5),whentheDHWheatingisactive,can
belimitedtoafixedvalue.

Ananti-bacteriafunctionisavailableforactivationonselected
daysoftheweek.

A367.1only:TheDHWcircuitcanbeconnectedprimarilyandthe
valve‘P2/M3’operatesasON/OFFvalve.

TheDHWcirculationpump(P3)hasaweekscheduleforupto3
ON-periods/day.

A367.2examplea:

A367.2exampleb:

A367.2examplec:

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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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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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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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.

A367:

Sensor

S1

S2Returntemperaturesensor,

S3

S4

S5Returntemperaturesensor,

S6

S7Roomtemperature

S8

S10

Description

Outdoortemperature
sensor*

heatingcircuit2
Flowtemperaturesensor,

heatingcircuit1**
Flowtemperaturesensor,

heatingcircuit2**

heatingcircuit1
DHWtanktemperature

sensor,upper***

sensor****:
A367.1:heatingcircuit1
A367.2:heatingcircuit1/
heatingcircuit2

DHWtanktemperature
sensor,lower

Roomtemperature
sensor****:
A367.1heatingcircuit2only

DHWchargingtemperature
sensor:
A367.2DHWcircuitonly

Voltagesignal(0-10V)for
externalcontrolofdesired
flowtemperature,heating
circuit1

Type
(recomm.)

ESMT

ESM-11/ESMB/
ESMC/ESMU

ESM-11/ESMB/
ESMC/ESMU

ESM-11/ESMB/
ESMC/ESMU

ESM-11/ESMB/
ESMC/ESMU

ESMB/
ESMU

ESM-10

ESMB/
ESMU

ESM-10 S9

ESM-11/ESMB/
ESMC/ESMU

*

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

**

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

***

Thissensorisusedifonlyonetanktemperaturesensoris
required.

****

Onlyforroomtemperaturesensorconnection.Theroom
temperaturesignalcanalternativelybeavailablefroma
RemoteControlUnit(ECA30/31).See'Electricalconnections,
ECA30/31'.

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OperatingGuideECLComfort310,applicationA367

Connectionofvoltagesignal(0–10V)forexternalcontrolof
desiredflowtemperature

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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OperatingGuideECLComfort310,applicationA367

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,applicationA367

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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OperatingGuideECLComfort310,applicationA367

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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OperatingGuideECLComfort310,applicationA367

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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