Danfoss A214, A314 Operating guide
OperatingGuide
ECLComfort210/296/310,applicationA214/A314
1.0TableofContents
1.0TableofContents...............................................1
1.1Importantsafetyandproductinformation.....................2
2.0Installation........................................................5
2.1Beforeyoustart.....................................................5
2.2Identifyingthesystemtype......................................25
2.3Mounting...........................................................56
2.4Placingthetemperaturesensors................................60
2.5Electricalconnections.............................................62
2.6InsertingtheECLApplicationKey..............................80
2.7Checklist............................................................87
2.8Navigation,ECLApplicationKeyA214/A314................88
3.0Dailyuse.......................................................106
3.1Howtonavigate.................................................106
3.2Understandingthecontrollerdisplay........................107
3.3Ageneraloverview:Whatdothesymbols
mean?..............................................................110
3.4Monitoringtemperaturesandsystem
components......................................................111
3.5Influenceoverview..............................................112
3.6Manualcontrol...................................................113
3.7Schedule..........................................................115
4.0Settingsoverview..........................................116
5.0Settings.........................................................119
5.1IntroductiontoSettings........................................119
5.2Flowtemperature/Inlettemperature.......................120
5.3DuctTlimit/Roomlimit........................................122
5.4Returnlimit.......................................................124
5.5LimitTsafety.....................................................126
5.6Compensation1.................................................127
5.7Compensation2.................................................129
5.8Controlparameters..............................................131
5.9Fan/acc.control(fan/accessorycontrol)..................140
5.10Application.......................................................147
5.11Alarm..............................................................161
6.0Commoncontrollersettings............................167
6.1Introductionto‘Commoncontrollersettings’..............167
6.2Time&Date.......................................................168
6.3Holiday............................................................169
6.4Inputoverview...................................................171
6.5Log.................................................................172
6.6Outputoverride..................................................173
6.7Keyfunctions.....................................................174
6.8System.............................................................176
7.0Miscellaneous................................................183
7.1ECA30/31setupprocedures.................................183
7.2Severalcontrollersinthesamesystem......................191
7.3Frequentlyaskedquestions....................................194
7.4Definitions........................................................196
7.5Type(ID6001),overview.......................................200
7.6Automatic/manualupdateoffirmware.....................201
7.7ParameterIDoverview..........................................202
©Danfoss|2021.06AQ146286475947en-010601|1
OperatingGuideECLComfort210/296/310,applicationA214/A314
1.1Importantsafetyandproductinformation
1.1.1Importantsafetyandproductinformation
ThisOperatingGuideisassociatedwithECLApplicationKeyA214
(ordercodeno.087H3811).
TheECLApplicationKeyA214containsthesubtypes:
A214.1…A214.6(applicableinECLComfort210,296and310)
A314.1…A314.7(applicableinECLComfort310)
A314.9(applicableinECLComfort310)
A214.1iscoolingrelatedapplication
A214.2,A214.3andA214.6areheatingrelatedapplications
A214.4andA214.5arebasicheating/coolingapplications
A314.1andA314.2arebasicheating/coolingapplications
A314.3isaspecialheatingapplication
A314.4andA314.5areadvancedheatingapplications
A314.6andA314.7areadvancedheating/coolingapplications
A314.9isanadvancedheatingapplication
ThedescribedfunctionsarerealizedinECLComfort210forbasic
solutionsandinECLComfort310foradvancedsolutions,e.g.
M-bus,ModbusandEthernet(Internet)communication.
TheapplicationKeyA214complieswithECLComfort210and
ECLComfort310controllersasofsoftwareversion1.11(visible
atstart-upofthecontrollerandin‘Commoncontrollersettings’
in‘System’).
ARemoteControlUnit,ECA30orECA31,canbeconnectedand
thebuilt-inroomtemperaturesensorcanbeutilized.
TheapplicationsA314.1…A314.7andA314.9workwiththe
InternalI/OmoduleECA32(ordercodeno.087H3202).
ECA32isplacedinthebasepartforECLComfort310.
ECLComfort210isavailableas:
•ECLComfort210,230volta.c.(087H3020)
•ECLComfort210B,230volta.c.(087H3030)
ECLComfort296isavailableas:
•ECLComfort296,230volta.c.(087H3000)
ECLComfort310isavailableas:
•ECLComfort310,230volta.c(087H3040)
•ECLComfort310B,230volta.c.(087H3050)
•ECLComfort310,24volta.c.(087H3044)
TheB-typeshavenodisplayanddial.TheB-typesareoperatedby
meansoftheremotecontrolunitECA30/31:
•ECA30(087H3200)
•ECA31(087H3201)
BasepartsforECLComfort:
•forECLComfort210,230volt(087H3220)
•forECLComfort296,230volta.c.(087H3240)
•forECLComfort310,230voltand24volt(087H3230)
AdditionaldocumentationforECLComfort210,296and310,
modulesandaccessoriesisavailableonhttp://danfoss.com/or
http://store.danfoss.com/.
2|©Danfoss|2021.06
AQ146286475947en-010601
OperatingGuideECLComfort210/296/310,applicationA214/A314
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"
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.
Applicationkeysmightbereleasedbeforealldisplaytextsare
translated.InthiscasethetextisinEnglish.
AQ146286475947en-010601
©Danfoss|2021.06|3
OperatingGuideECLComfort210/296/310,applicationA214/A314
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).
ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.
xstandsforcircuit/parametergroup.
1
-
DisposalNote
Thissymbolontheproductindicatesthatitmaynot
bedisposedofashouseholdwaste.
Itmustbehandedovertotheapplicabletake-back
schemefortherecyclingofelectricalandelectronic
equipment.
•Disposeoftheproductthroughchannelsprovided
forthispurpose.
•Complywithalllocalandcurrentlyapplicablelaws
andregulations.
2
Circuit2Parameterno.
174
4|©Danfoss|2021.06
AQ146286475947en-010601
OperatingGuideECLComfort210/296/310,applicationA214/A314
2.0Installation
2.1Beforeyoustart
TheApplicationKeyA214containsseveralapplications,mainly
relatedtoventilationsystemswithheatingorcoolingora
combinationofthese.TheapplicationsintheA214keyofferawide
rangeofpossibilities(seetheexamples).
TheapplicationA214.1isveryflexible.Thesearethebasic
principles:
Coolingwithroomtemperaturecontrol:
Typically,theairducttemperatureisadjustedaccordingtoyour
requirements.TheairducttemperaturesensorS3isthemost
importantsensor.ThedesiredtemperatureatS3issetintheECL
Comfortcontrollerasthe'Desiredbalancetemperature'.
ThemotorizedcontrolvalveM2(controllingthecoolingtransfer)is
openedgraduallywhentheducttemperatureishigherthanthe
desiredducttemperatureandviceversa.
Roomtemperature:
Ifthemeasuredroomtemperature(S4orECA30)doesnotequal
thedesiredroomtemperature,thedesiredtemperatureatS3can
beadjusted.
Bymeansofaweekschedule(upto3‘Comfort’periods/day),the
coolingcircuitcanbein‘Comfort’or‘Saving’mode(twodifferent
temperaturevaluesfordesiredroomtemperature).
Thedesiredroomtemperaturedeterminesacorrectionofthe
desiredtemperatureatS3.
Iftheroomtemperatureisnotmeasured,thedesiredroom
temperatureequals(willbe)thedesiredtemperatureatS3.Inthis
case,thesettingofthe'Balancetemperature'isnotconsidered(or:
hasnoinfluence).
Thefan(F1)isON/OFFcontrolledaccordingtothescheduleand
coolingdemand.Thedamper(P2)isON/OFFcontrolledaccording
toschedule.Thecirculationpump(X3)isON/OFFcontrolled
accordingtocoolingdemand.
Returntemperature(optional):
Ifthemeasuredreturntemperature(S5)doesnotequalthe
limitationvalue(typically,thereturntemperaturebecomeslower
thanthelimitationvalue),thedesiredtemperatureatS3canbe
adjusted(typicallytoahighervalue).Thisresultsinagradual
closingofthemotorizedcontrolvalve.
TypicalA214.1application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL210/310
S1
S2
S3Ducttemperaturesensor
S4
S5
S8
F1
P2
X3
M2
A1
ElectroniccontrollerECLComfort210or310
Outdoortemperaturesensor
(Optional)Compensationtemperaturesensor(not
illustrated)
(Optional)Roomtemperaturesensor*
(Optional)Returntemperaturesensor
(Optional)Firethermostat
Fan(ON/OFF)
Damper(ON/OFF)
Circulationpump(ON/OFF)
Motorizedcontrolvalve,cooling(3-point
controlled)
Alarm
*Alternative:ECA30
Asimplefrostprotection(viaS5)canbeestablished.Furthermore,
itisexpectedthatthecoolingexchanger(fancoil)circuitcontains
brine.
Foradescriptionofalarmsandcompensationtemperature,please
readthesection‘A214andA314ingeneral’ .
AQ146286475947en-010601
©Danfoss|2021.06|5
OperatingGuideECLComfort210/296/310,applicationA214/A314
TheapplicationsA214.2andA214.3areveryflexibleandalmost
identical.Thesearethebasicprinciples:
A214.2:Heatingwithducttemperaturecontrol
A214.3:Heatingwithroomtemperaturecontrol
Typically,theheatingtemperatureisadjustedaccordingtoyour
requirements.ThetemperaturesensorS3isthemostimportant
sensor.ThedesiredtemperatureatS3issetintheECLComfort
controllerasthe'Desiredbalancetemperature' .
ThemotorizedcontrolvalveM1(controllingtheheatingsupply
temperature)isopenedgraduallywhentheS3temperatureis
lowerthanthedesiredS3temperatureandviceversa.
S4temperature:
IfthemeasuredS4temperaturedoesnotequalthedesiredS4
temperature,thedesiredtemperatureatS3canbeadjusted.
Bymeansofaweekschedule(upto3‘Comfort’periods/day),the
heatingcircuitcanbein‘Comfort’or‘Saving’mode(twodifferent
temperaturevaluesfordesiredS4temperature).ThedesiredS4
temperaturedeterminesacorrectionofthedesiredtemperature
atS3.
Thefan(F1)isON/OFFcontrolledaccordingtothescheduleand
heatingdemand.Thedamper(P2)isON/OFFcontrolledaccording
toschedule.Thecirculationpump(X3)isON/OFFcontrolled
accordingtoheatingdemand.
Foradescriptionofalarms,compensationtemperature,return
temperaturelimitation(S5)andfrostprotection(S6andS7),please
readthesection‘A214andA314ingeneral’ .
TypicalA214.2application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL210/310
S1
S2
ElectroniccontrollerECLComfort210or310
Outdoortemperaturesensor
(Optional)Compensationtemperaturesensor(not
illustrated)
S3
Flowtemperaturesensor
S4Ducttemperaturesensor
S5
S6
S7
S8
F1
P2
X3
M1
A1
(Optional)Returntemperaturesensor
(Optional)Frosttemperaturesensor
(Optional)Frostthermostat
(Optional)Firethermostat
Fan(ON/OFF)
Damper(ON/OFF)
Circulationpump(ON/OFF)
Motorizedcontrolvalve,heating(3-pointcontrolled)
Alarm
6|©Danfoss|2021.06
AQ146286475947en-010601
OperatingGuideECLComfort210/296/310,applicationA214/A314
TypicalA214.3application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL210/310
S1
S2
ElectroniccontrollerECLComfort210or310
Outdoortemperaturesensor
(Optional)Compensationtemperaturesensor(not
illustrated)
S3Ducttemperaturesensor
S4
S5
S6
S7
S8
F1
P2
X3
M1
A1
Roomtemperaturesensor*
(Optional)Returntemperaturesensor
(Optional)Frosttemperaturesensor
(Optional)Frostthermostat
(Optional)Firethermostat
Fan(ON/OFF)
Damper(ON/OFF)
Circulationpump(ON/OFF)
Motorizedcontrolvalve,heating(3-pointcontrolled)
Alarm
*Alternative:ECA30
AQ146286475947en-010601
©Danfoss|2021.06|7
OperatingGuideECLComfort210/296/310,applicationA214/A314
TheapplicationA214.4isveryflexible.Thesearethebasic
principles:
Heating/coolingwithairducttemperaturecontrol
Typically,theheating/coolingtemperatureisadjustedaccording
toyourrequirements.
TheflowtemperaturesensorS3intheheatingcircuitisthemost
importantsensor.ThedesiredtemperatureatS3issetintheECL
Comfortcontrollerasthe'Desiredbalancetemperature'.
ThemotorizedcontrolvalveM1(controllingtheheating
temperature)isopenedgraduallywhentheflowtemperatureis
lowerthanthedesiredbalancetemperatureandviceversa.
Atcooling,themotorizedcontrolvalveM2controlsthecooling
temperatureatS4.
Airducttemperature:
AtoolowairducttemperatureS4willactivatetheheatingcircuit
M1,whereasatoohighairducttemperaturewillactivatethe
coolingcircuitM2.
Atheatingdemand,theairducttemperatureS4canadjustthe
desiredtemperatureatS3.Atcoolingdemand,theairduct
temperatureS4iscontrolledaccordingtothedesiredairduct
temperature.A"Deadzone"(=numberofdegrees)canbeset
inordertoavoidunstableshiftsbetweenheatingandcooling
operation.
Bymeansofaweekschedule(upto3‘Comfort’periods/day),the
heating/coolingcircuitcanbein‘Comfort’or‘Saving’mode(two
differenttemperaturevaluesfordesiredairducttemperature).
In'Saving'modethedesiredairducttemperaturedeterminesa
correctionofthedesiredtemperatureatS3inheatingmode.In
coolingmodethecoolingisOFFduring'Saving' .
ThefanF1isON/OFFcontrolledaccordingtothescheduleand
heating/coolingdemand.ThedamperP2isON/OFFcontrolled
accordingtoschedule.ThecirculationpumpX3isON/OFF
controlledaccordingtoheatingdemand.
Foradescriptionofalarms,compensationtemperature,return
temperaturelimitation(S5)andfrostprotection(S6andS7),please
readthesection‘A214andA314ingeneral’ .
TypicalA214.4application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL210/310
S1
S2
ElectroniccontrollerECLComfort210or310
Outdoortemperaturesensor
(Optional)Compensationtemperaturesensor(not
illustrated)
S3
S4
S5
S6
S7
S8
F1
P2
X3
M1
Heatingtemperaturesensor
Airducttemperaturesensor
(Optional)Returntemperaturesensor
(Optional)Frosttemperaturesensor
(Optional)Frostthermostat
(Optional)Firethermostat
Fan(ON/OFF)
Damper(ON/OFF)
Circulationpump,heating(ON/OFF)
Motorizedcontrolvalve,heating(3-point
controlled)
M2
A1
Motorizedcontrolvalve,cooling(3-pointcontrolled)
Alarm
8|©Danfoss|2021.06
AQ146286475947en-010601
OperatingGuideECLComfort210/296/310,applicationA214/A314
TheapplicationA214.5isveryflexible.Thesearethebasic
principles:
Heating/coolingwithroomtemperaturecontrol
Typically,theheating/coolingtemperatureisadjustedaccording
toyourrequirements.
ThetemperaturesensorS3intheairductisthemostimportant
sensor.ThedesiredtemperatureatS3issetintheECLComfort
controllerasthe'Desiredbalancetemperature' .
ThemotorizedcontrolvalveM1(controllingtheheating
temperature)isopenedgraduallywhentheairducttemperatureis
lowerthanthedesiredbalancetemperatureandviceversa.
Atcooling,themotorizedcontrolvalveM2controlsthecooling
temperature.
Roomtemperature:
AtoolowroomtemperatureS4willactivatetheheatingcircuitM1,
whereasatoohighroomtemperaturewillactivatethecooling
circuitM2.A"Deadzone"(=numberofdegrees)canbesetinorder
toavoidunstableshiftsbetweenheatingandcoolingoperation.
Atheating/coolingdemand,theroomtemperatureS4canadjust
thedesiredtemperatureatS3.
Bymeansofaweekschedule(upto3‘Comfort’periods/day),the
heating/coolingcircuitcanbein‘Comfort’or‘Saving’mode(two
differenttemperaturevaluesfordesiredroomtemperature).
In'Saving'modethedesiredroomtemperaturedeterminesa
correctionofthedesiredtemperatureatS3inheatingmode.In
coolingmodethecoolingisOFFduring'Saving' .
ThefanF1isON/OFFcontrolledaccordingtothescheduleand
heating/coolingdemand.ThedamperP2isON/OFFcontrolled
accordingtoschedule.ThecirculationpumpX3isON/OFF
controlledaccordingtoheatingdemand.
Foradescriptionofalarms,compensationtemperature,return
temperaturelimitation(S5)andfrostprotection(S6andS7),please
readthesection‘A214andA314ingeneral’ .
TypicalA214.5application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL210/310
S1
S2
ElectroniccontrollerECLComfort210or310
Outdoortemperaturesensor
(Optional)Compensationtemperaturesensor(not
illustrated)
S3Ducttemperaturesensor
S4
S5
S6
S7
S8
F1
P2
X3
M1
M2
A1
Roomtemperaturesensor*
(Optional)Returntemperaturesensor
(Optional)Frosttemperaturesensor
(Optional)Frostthermostat
(Optional)Firethermostat
Fan(ON/OFF)
Damper(ON/OFF)
Circulationpump,heating(ON/OFF)
Motorizedcontrolvalve,heating(3-pointcontrolled)
Motorizedcontrolvalve,cooling(3-pointcontrolled)
Alarm
*Alternative:ECA30
AQ146286475947en-010601
©Danfoss|2021.06|9
OperatingGuideECLComfort210/296/310,applicationA214/A314
TheapplicationA214.6isveryflexible.Thesearethebasic
principles:
Heatingwithroomtemperaturecontrol:
Typically,theflowtemperatureisadjustedaccordingtoyour
requirements.TheflowtemperaturesensorS3isthemost
importantsensor.ThedesiredtemperatureatS3issetintheECL
Comfortcontrollerasthe'Desiredbalancetemperature'.
ThemotorizedcontrolvalveM1isopenedgraduallywhenthe
flowtemperatureislowerthanthedesiredflowtemperatureand
viceversa.
Roomtemperature:
Ifthemeasuredroomtemperature(S4orECA30)doesnotequal
thedesiredroomtemperature,thedesiredtemperatureatS3can
beadjusted.
Bymeansofaweekschedule(upto3‘Comfort’periods/day),
theheatingcircuitcanbein‘Comfort’or‘Saving’mode(two
differenttemperaturevaluesfordesiredroomtemperature).The
desiredroomtemperaturedeterminesacorrectionofthedesired
temperatureatS3.
Thecirculationpump(F1)isON/OFFcontrolledaccordingtothe
Schedule1.Theaccessory(P2)isON/OFFcontrolledaccording
toSchedule1or2.
Foradescriptionofalarms,compensationtemperature,return
temperaturelimitation(S5),frostprotection(S6andS7)andfire
alarmpleasereadthesection‘A214andA314ingeneral’ .
TypicalA214.6application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL210/310
S1
S2
S3
S4
S5
S6
S7
S8
F1
P2
X3
M1
A1
ElectroniccontrollerECLComfort210or310
Outdoortemperaturesensor
(Optional)Compensationtemperaturesensor
Flowtemperaturesensor
Roomtemperaturesensor*
(Optional)Returntemperaturesensor
(Optional)Frosttemperaturesensor(notillustrated)
(Optional)Frostthermostat(notillustrated)
(Optional)Firethermostat(notillustrated)
Circulationpump(ON/OFF)
Accessoryoutput(ON/OFF)
Optionaloutput(ON/OFF)
Motorizedcontrolvalve,heating(3-pointcontrolled)
Alarm
*Alternative:ECA30
10|©Danfoss|2021.06
AQ146286475947en-010601
OperatingGuideECLComfort210/296/310,applicationA214/A314
TheapplicationA314.1isveryflexible.Thesearethebasic
principles:
Heatingand(passive)coolingwithairducttemperature
control
Typically,theheating/coolingtemperatureisadjustedaccording
toyourrequirements.TheflowtemperaturesensorS3isthemost
importantsensor.ThedesiredtemperatureatS3issetintheECL
Comfortcontrollerasthe'Desiredbalancetemperature'.
ThemotorizedcontrolvalveM1(controllingtheheating
temperature)isopenedgraduallywhentheflowtemperatureis
lowerthanthedesiredtemperatureandviceversa.Atcooling,
themotorizeddamperM2controlsthecoolingtemperature.The
coolingsectioncanbepassive(re-circulation)oractive.
Airducttemperature:
AtoolowtemperatureatS4willactivatetheheatingcircuit(M1),
whereasatoohighducttemperaturewillactivatethecooling
circuit(M2).
Atheatingdemand,thetemperatureatS4canadjustthedesired
temperatureatS3.Atcoolingdemand,theS4temperatureis
controlledaccordingtothedesiredS4temperature.A"Deadzone"
(=numberofdegrees)canbesetinordertoavoidunstableshifts
betweenheatingandcoolingoperation.
M1is3-pointcontrolled,whereasM2is0-10Vcontrolled.
Bymeansofaweekschedule(upto3‘Comfort’periods/day),the
heating/coolingcircuitcanbein‘Comfort’or‘Saving’mode(two
differenttemperaturevaluesfordesiredairducttemperature).
In'Saving'modethedesiredairducttemperaturedeterminesa
correctionofthedesiredtemperatureatS3inheatingmode.In
coolingmodethecoolingisOFFduring'Saving' .
ThefanF1isON/OFFcontrolledaccordingtothescheduleand
heating/coolingdemand.ThedamperP2isON/OFFcontrolled
accordingtoschedule.ThecirculationpumpX3isON/OFF
controlledaccordingtoheatingdemand.
Foradescriptionofalarms,compensationtemperature,return
temperaturelimitation(S5)andfrostprotection(S6andS7),please
readthesection‘A214andA314ingeneral’ .
TypicalA314.1application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
S1
S2
S3
ElectroniccontrollerECLComfort310
Built-inextensionmodule
Outdoortemperaturesensor
(Optional)Compensationtemperaturesensor
Flowtemperaturesensor
S4Ducttemperaturesensor
S5
S6
S7
S8
F1
P2
X3
M1
M2
A1
(Optional)Returntemperaturesensor
(Optional)Frosttemperaturesensor
(Optional)Frostthermostat
(Optional)Firethermostat
Fan(ON/OFF)
Damper(ON/OFF)
Circulationpump,heating(ON/OFF)
Motorizedcontrolvalve,heating(3-pointcontrolled)
Motorizeddamper(0-10voltcontrolled)
Alarm
AQ146286475947en-010601
©Danfoss|2021.06|11
OperatingGuideECLComfort210/296/310,applicationA214/A314
TheapplicationA314.2isveryflexible.Thesearethebasic
principles:
Heatingand(passive)coolingwithroomtemperaturecontrol
Typically,theheating/coolingtemperatureisadjustedaccording
toyourrequirements.TheairducttemperaturesensorS3isthe
mostimportantsensor.ThedesiredtemperatureatS3issetinthe
ECLComfortcontrollerasthe'Desiredbalancetemperature' .
ThemotorizedcontrolvalveM1(controllingtheheating
temperature)isopenedgraduallywhentheairducttemperature
islowerthanthedesiredtemperatureandviceversa.Atcooling,
themotorizeddamperM2controlsthecoolingtemperature.The
coolingsectioncanbepassive(re-circulation)oractive.
Roomtemperature:
AtoolowtemperatureatS4willactivatetheheatingcircuit(M1),
whereasatoohighducttemperaturewillactivatethecooling
circuit(M2).A"Deadzone"(=numberofdegrees)canbeset
inordertoavoidunstableshiftsbetweenheatingandcooling
operation.
Atheating/coolingdemand,thetemperatureatS4canadjust
thedesiredtemperatureatS3.
M1is3-pointcontrolled,whereasM2is0-10Vcontrolled.
Bymeansofaweekschedule(upto3‘Comfort’periods/day),the
heating/coolingcircuitcanbein‘Comfort’or‘Saving’mode(two
differenttemperaturevaluesfordesiredroomtemperature).
In'Saving'modethedesiredroomtemperaturedeterminesa
correctionofthedesiredtemperatureatS3inheatingmode.In
coolingmodethecoolingisOFFduring'Saving' .
ThefanF1isON/OFFcontrolledaccordingtothescheduleand
heating/coolingdemand.ThedamperP2isON/OFFcontrolled
accordingtoschedule.ThecirculationpumpX3isON/OFF
controlledaccordingtoheatingdemand.
Foradescriptionofalarms,compensationtemperature,return
temperaturelimitation(S5)andfrostprotection(S6andS7),please
readthesection‘A214andA314ingeneral’ .
TypicalA314.2application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
S1
S2
ElectroniccontrollerECLComfort310
Built-inextensionmodule
Outdoortemperaturesensor
(Optional)Compensationtemperaturesensor
S3Ducttemperaturesensor
S4
S5
S6
S7
S8
F1
P2
X3
M1
M2
A1
Roomtemperaturesensor*
(Optional)Returntemperaturesensor
(Optional)Frosttemperaturesensor
(Optional)Frostthermostat
(Optional)Firethermostat
Fan(ON/OFF)
Damper(ON/OFF)
Circulationpump,heating(ON/OFF)
Motorizedcontrolvalve,heating(3-pointcontrolled)
Motorizeddamper(0-10voltcontrolled)
Alarm
*Alternative:ECA30
12|©Danfoss|2021.06
AQ146286475947en-010601
OperatingGuideECLComfort210/296/310,applicationA214/A314
TheapplicationA314.3isveryflexible.Thesearethebasic
principles:
Heatingwithroomtemperaturecontrol
Typically,theairducttemperatureisadjustedaccordingtoyour
requirements.TheairducttemperaturesensorS3isthemost
importantsensor.ThedesiredtemperatureatS3issetintheECL
Comfortcontrollerasthe'Desiredbalancetemperature'.
ThemotorizedcontrolvalveM1(controllingtheheating
temperature)isopenedgraduallywhentheairductemperatureis
lowerthanthedesiredairducttemperatureandviceversa.
Roomtemperature:
Iftheroomtemperature(S4orECA30)doesnotequalthedesired
roomtemperature,thedesiredtemperatureatS3canbeadjusted.
Bymeansofaweekschedule(upto3‘Comfort’periods/day),the
heatingcircuitcanbein‘Comfort’or‘Saving’mode(twodifferent
temperaturevaluesfordesiredroomtemperature).
In'Saving'modethedesiredroomtemperaturedeterminesa
correctionofthedesiredtemperatureatS3.
ThefanF1isON/OFFcontrolledaccordingtothescheduleand
heatingdemand.ThedamperP2isON/OFFcontrolledaccording
toschedule.ThecirculationpumpX3isON/OFFcontrolled
accordingtoheatingdemand.
Variablefanspeed(optional):
ThefanV1canbespeedcontrolledinrelationtothemeasured
windspeedS10.Thefanspeedcontrolsignalisa0–10voltsignal,
generatedbytheinternalinput/outputmoduleECA32.Amenu
intheECLComfort310containssettingsforrelationshipbetween
actualwindspeedanddesiredfanspeed.
Foradescriptionofalarms,compensationtemperature,return
temperaturelimitation(S5)andfrostprotection(S6andS7),please
readthesection‘A214andA314ingeneral’ .
TypicalA314.3application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ElectroniccontrollerECLComfort310
ECA32
Built-inextensionmodule
S1
Outdoortemperaturesensor
S2
(Optional)Compensationtemperaturesensor
S3Ducttemperaturesensor
S4
Roomtemperaturesensor*
S5
(Optional)Returntemperaturesensor
S6
(Optional)Frosttemperaturesensor
S7
(Optional)Frostthermostat
S8
(Optional)Firethermostat
S10
Windspeedsignal(0-10volt)
F1
Fan(ON/OFF)
P2
Damper(ON/OFF)
X3
Circulationpump,heating(ON/OFF)
M1
Motorizedcontrolvalve,heating(3-pointcontrolled)
M2
Motorizeddamper(0-10voltcontrolled)
V1
Fanspeed(0-10voltcontrolled)
A1
Alarm
*Alternative:ECA30
AQ146286475947en-010601
©Danfoss|2021.06|13
OperatingGuideECLComfort210/296/310,applicationA214/A314
TheadvancedheatingapplicationA314.4isveryflexible.These
arethebasicprinciples:
Heatingwithroomtemperatureandairpressurecontrol
Typically,theheatingtemperatureisadjustedaccordingtoyour
requirements.TheairducttemperaturesensorS3isthemost
importantsensor.ThedesiredtemperatureatS3issetintheECL
Comfortcontrollerasthe'Desiredinlettemperature' .
Therecoverycircuit,controlledbyM2,isconsideredasthemain
circuit,whereastheheatingcircuit,controlledbyM1,isthe
supplementarycircuit.
ThemotorizedcontrolvalveM1(controllingtheheating
temperature)isopenedgraduallywhentheS3temperatureis
lowerthanthedesiredS3temperatureandviceversa.
Roomtemperature:
Iftheroomtemperature(S4orECA30)doesnotequalthedesired
roomtemperature,thedesiredtemperatureatS3canbeadjusted.
Bymeansofaweekschedule(upto3‘Comfort’periods/day),the
heatingcircuitcanbein‘Comfort’or‘Saving’mode(twodifferent
temperaturevaluesfordesiredinlettemperatureandtwodifferent
temperaturevaluesfordesiredroomtemperature).
ThefanF1isON/OFFcontrolledaccordingtotheschedule
andheatingdemand.AdamperP2canbeON/OFFcontrolled
accordingtoschedule.ThecirculationpumpX3isON/OFF
controlledaccordingtoheatingdemand.
Airpressurecontrol:
ThefansV2andV3arespeedcontrolledindividuallyinrelationto
desiredpressures(Pascal)atS11andS12.ThesignalsatS11and
S12aremeasuredas0-10voltandconvertedintoPascalintheECL
Comfort310.Furthermore,thespeedofthefanscanbeloweredat
loweroutdoortemperaturesinordertoreducecoldairinlet.
Heatrecovery:
Inordertoutilizeheatfromtheexitairduct,arotating
heat-exchanger,acrossheat-exchangerorafluidbatterycan
becontrolledbyM2.BasedontheoutdoortemperatureS1,the
entryducttemperatureS13andtheexitducttemperatureS14the
recoveryefficiency(in%)canbeindicated.
Nightcooling:
DuringSavingmodeapassivecooling(settingthefansON)canbe
arranged,mainlyunderthefollowingconditions:
•roomtemperatureishigherthandesiredsavingroom
temperature
•outdoortemperatureislowerthantheroomtemperature
TypicalA314.4application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ElectroniccontrollerECLComfort310
Built-inextensionmodule
S1
Outdoortemperaturesensor
S2
(Optional)Compensationtemperaturesensor
S3Ducttemperaturesensor
S4
Roomtemperaturesensor*
S5
(Optional)Returntemperaturesensor
S6
(Optional)Frosttemperaturesensor
S7
(Optional)Frostthermostat
S8
(Optional)Firethermostat
Fanmonitor
S9
S10
Filtermonitor
S11
Inletpressuresensor
S12
Outletpressuresensor
S13
Entryducttemperaturesensor
S14
Exitducttemperaturesensor
F1
Fan(ON/OFF)
P2
Damper(ON/OFF)
X3
Circulationpump,heating(ON/OFF)
X4
Schedule3
P7
Recoverycircuitpump,ON/OFF ,(notillustrated)
P8
Nightdamper,ON/OFF,(notillustrated)
M1
Motorizedcontrolvalve,heating(3-pointcontrolled)
M2
Rotatingheat-exchanger(0-10voltcontrolled)
V2
Fanspeed(0-10voltcontrolled)
V3
Fanspeed(0-10voltcontrolled)
A1
Alarm
*Alternative:ECA30
14|©Danfoss|2021.06
AQ146286475947en-010601
OperatingGuideECLComfort210/296/310,applicationA214/A314
Heatingwithroomtemperatureandairpressurecontrol
(continued)
Ventilationduringsavingperiod:
Adesiredreducedpressurecanbeset.
•Roomtemperaturesignalmustbepresent
•ThenightdamperP8willopen
•ThefanV2willoperateatreducedspeed
•ThefanV3isOFF
•P2isOFF
•M2isOFF
Summercut-out:
Whenoutdoortemperatureexceedsaselectablevalue,theheating
systemclosestotally.
M1is3-pointcontrolled,whereasM2is0-10Vcontrolled.
Foradescriptionofalarms,compensationtemperature,return
temperaturelimitation(S5)andfrostprotection(S6andS7),please
readthesection‘A214andA314ingeneral’ .
AQ146286475947en-010601
©Danfoss|2021.06|15
OperatingGuideECLComfort210/296/310,applicationA214/A314
TheadvancedheatingapplicationA314.5isveryflexible.These
arethebasicprinciples:
Heatingwithroomtemperatureandairqualitycontrol
Typically,theheatingtemperatureisadjustedaccordingtoyour
requirements.TheairducttemperaturesensorS3isthemost
importantsensor.ThedesiredtemperatureatS3issetintheECL
Comfortcontrollerasthe'Desiredinlettemperature' .
Therecoverycircuit,controlledbyM2,isconsideredasthemain
circuit,whereastheheatingcircuit,controlledbyM1,isthe
supplementarycircuit.
ThemotorizedcontrolvalveM1(controllingtheheating
temperature)isopenedgraduallywhentheS3temperatureis
lowerthanthedesiredS3temperatureandviceversa.
Roomtemperature:
Iftheroomtemperature(S4orECA30)doesnotequalthedesired
roomtemperature,thedesiredtemperatureatS3canbeadjusted.
Bymeansofaweekschedule(upto3‘Comfort’periods/day),the
heatingcircuitcanbein‘Comfort’or‘Saving’mode(twodifferent
temperaturevaluesfordesiredinlettemperatureandtwodifferent
temperaturevaluesfordesiredroomtemperature).
ThefanF1isON/OFFcontrolledaccordingtotheschedule
andheatingdemand.AdamperP2canbeON/OFFcontrolled
accordingtoschedule.ThecirculationpumpX3isON/OFF
controlledaccordingtoheatingdemand.
Airqualitycontrol(CO2measuredin"ppm"):
ThefansV2andV3areincreasedinspeedwhentheppmvalue(010voltsignalmeasuredbyS11)exceedsaselectablelimit.Speed
relationbetweenV2andV3canbeset.Asanalternative,theS11
signalcanexpressanRHsignal(RelativeHumidity).
Heatrecovery:
Inordertoutilizeheatfromtheexitairduct,arotating
heat-exchanger,acrossheat-exchangerorafluidbatterycan
becontrolledbyM2.BasedontheoutdoortemperatureS1,the
entryducttemperatureS13andtheexitducttemperatureS14the
recoveryefficiency(in%)canbeindicated.
Nightcooling:
DuringSavingmodeapassivecoolingcanbearranged,mainly
underthefollowingconditions:
•roomtemperatureishigherthandesiredsavingroom
temperature
•outdoortemperatureislowerthantheroomtemperature
TypicalA314.5application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ElectroniccontrollerECLComfort310
Built-inextensionmodule
S1
Outdoortemperaturesensor
S2
(Optional)Compensationtemperaturesensor
S3Ducttemperaturesensor
S4
Roomtemperaturesensor*
S5
(Optional)Returntemperaturesensor
S6
(Optional)Frosttemperaturesensor
S7
(Optional)Frostthermostat
S8
(Optional)Firethermostat
Fanmonitor
S9
S10
Filtermonitor
S11
Airquality(CO2)signal(ppm).Alternative:Relative
Humiditysignal.
S13
Entryducttemperaturesensor
S14
Exitducttemperaturesensor
F1
Fan(ON/OFF)
P2
Damper(ON/OFF)
X3
Circulationpump,heating(ON/OFF)
X4
Schedule3
P7
Recoverycircuitpump,ON/OFF ,(notillustrated)
P8
Nightdamper,ON/OFF,(notillustrated)
M1
Motorizedcontrolvalve,heating(3-pointcontrolled)
M2
Rotatingheat-exchanger(0-10voltcontrolled)
V2
Fanspeed(0-10voltcontrolled)
V3
Fanspeed(0-10voltcontrolled)
A1
Alarm
*Alternative:ECA30
16|©Danfoss|2021.06
AQ146286475947en-010601
OperatingGuideECLComfort210/296/310,applicationA214/A314
Heatingwithroomtemperatureandairqualitycontrol
(continued)
Ventilationduringsavingperiod:
Adesiredfanspeedcanbeset.
•Roomtemperaturesignalmustbepresent
•ThenightdamperP8willopen
•ThefanV2willoperateatreducedspeed
•ThefanV3isOFF
•P2isOFF
•M2isOFF
Summercut-out:
Whenoutdoortemperatureexceedsaselectablevalue,theheating
systemclosestotally.
M1is3-pointcontrolled,whereasM2is0-10Vcontrolled.
Foradescriptionofalarms,compensationtemperature,return
temperaturelimitation(S5)andfrostprotection(S6andS7),please
readthesection‘A214andA314ingeneral’ .
AQ146286475947en-010601
©Danfoss|2021.06|17
OperatingGuideECLComfort210/296/310,applicationA214/A314
TheadvancedheatingapplicationA314.6isveryflexible.These
arethebasicprinciples:
Heating/coolingwithroomtemperatureandairpressure
control
Typically,theheatingtemperatureisadjustedaccordingtoyour
requirements.TheairducttemperaturesensorS3isthemost
importantsensor.ThedesiredtemperatureatS3issetintheECL
Comfortcontrollerasthe'Desiredinlettemperature' .
Therecoverycircuit,controlledbyM2,isconsideredasthemain
circuit,whereastheheatingcircuit(controlledbyM1)andthe
coolingcircuit(controlledbyM3)arethesupplementarycircuits.
ThemotorizedcontrolvalveM1(controllingtheheating
temperature)isopenedgraduallywhentheairducttemperatureis
lowerthanthedesiredinlettemperatureandviceversa.
Atcooling,themotorizedcontrolvalveM3controlsthecooling
temperature.
Roomtemperature:
Iftheroomtemperature(S4orECA30)doesnotequalthedesired
roomtemperature,thedesiredtemperatureatS3canbeadjusted.
AtoolowtemperatureatS4willactivatetheheatingcircuit(M1),
whereasatoohighairducttemperaturewillactivatethecooling
circuit(M3).A"Deadzone"(=numberofdegrees)canbeset
inordertoavoidunstableshiftsbetweenheatingandcooling
operation.
Bymeansofaweekschedule(upto3‘Comfort’periods/day),the
heating/coolingcircuitcanbein‘Comfort’or‘Saving’mode(two
differenttemperaturevaluesfordesiredinlettemperatureandtwo
differenttemperaturevaluesfordesiredroomtemperature).
ThefanF1isON/OFFcontrolledaccordingtotheschedule
andheatingdemand.AdamperP2canbeON/OFFcontrolled
accordingtoschedule.ThecirculationpumpX3isON/OFF
controlledaccordingtoheatingdemand.
Airpressurecontrol:
ThefansV2andV3arespeedcontrolledindividuallyinrelationto
desiredpressures(Pascal)atS11andS12.ThesignalsatS11and
S12aremeasuredas0-10voltandconvertedintoPascalinthe
ECLComfort310.
Heatrecovery:
Inordertoutilizeheatfromtheexitairduct,arotating
heat-exchanger,acrossheat-exchangerorafluidbatterycan
becontrolledbyM2.BasedontheoutdoortemperatureS1,the
entryducttemperatureS13andtheexitducttemperatureS14the
recoveryefficiency(in%)canbeindicated.
Nightcooling:
DuringSavingmodeapassivecoolingcanbearranged,mainly
underthefollowingconditions:
•roomtemperatureishigherthandesiredsavingroom
temperature
•outdoortemperatureislowerthantheroomtemperature
•schedule3isinComfortmode
TypicalA314.6application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ElectroniccontrollerECLComfort310
Built-inextensionmodule
S1
Outdoortemperaturesensor
S2
(Optional)Compensationtemperaturesensor
S3Ducttemperaturesensor
S4
Roomtemperaturesensor*
S5
(Optional)Returntemperaturesensor
S6
(Optional)Frosttemperaturesensor
S7
(Optional)Frostthermostat
S8
(Optional)Firethermostat
Fanmonitor
S9
S10
Filtermonitor
S11
Inletpressuresensor
S12
Outletpressuresensor
S13
Entryducttemperaturesensor
S14
Exitducttemperaturesensor
F1
Fan(ON/OFF)
P2
Damper(ON/OFF)
X3
Circulationpump,heating(ON/OFF)
X4
Schedule3
X5
Circulationpump,cooling(ON/OFF)
P7
Recoverycircuitpump,ON/OFF ,(notillustrated)
M1
Motorizedcontrolvalve,heating(3-pointcontrolled)
M2
Rotatingheat-exchanger(0-10voltcontrolled)
M3
Motorizedcontrolvalve,cooling(3-pointcontrolled)
V2
Fanspeed(0-10voltcontrolled)
V3
Fanspeed(0-10voltcontrolled)
A1
Alarm
*Alternative:ECA30
18|©Danfoss|2021.06
AQ146286475947en-010601
OperatingGuideECLComfort210/296/310,applicationA214/A314
Heating/coolingwithroomtemperatureandairpressure
control(continued)
M1andM3are3-pointcontrolled,whereasM2is0-10Vcontrolled.
Foradescriptionofalarms,compensationtemperature,return
temperaturelimitation(S5)andfrostprotection(S6andS7),please
readthesection‘A214andA314ingeneral’ .
AQ146286475947en-010601
©Danfoss|2021.06|19
OperatingGuideECLComfort210/296/310,applicationA214/A314
TheadvancedheatingapplicationA314.7isveryflexible.These
arethebasicprinciples:
Heating/coolingwithroomtemperatureandairquality
control
Typically,theheatingtemperatureisadjustedaccordingtoyour
requirements.TheairducttemperaturesensorS3isthemost
importantsensor.ThedesiredtemperatureatS3issetintheECL
Comfortcontrollerasthe'Desiredinlettemperature' .
Therecoverycircuit,controlledbyM2,isconsideredasthemain
circuit,whereastheheatingcircuit(controlledbyM1)andthe
coolingcircuit(controlledbyM3)arethesupplementarycircuits.
ThemotorizedcontrolvalveM1(controllingtheheating
temperature)isopenedgraduallywhentheS3temperatureis
lowerthanthedesiredS3temperatureandviceversa.
Atcooling,themotorizedcontrolvalveM3controlsthecooling
temperature.
Roomtemperature:
Iftheroomtemperature(S4orECA30)doesnotequalthedesired
roomtemperature,thedesiredtemperatureatS3canbeadjusted.
AtoolowtemperatureatS4willactivatetheheatingcircuit(M1),
whereasatoohighairducttemperaturewillactivatethecooling
circuit(M3).A"Deadzone"(=numberofdegrees)canbeset
inordertoavoidunstableshiftsbetweenheatingandcooling
operation.
Bymeansofaweekschedule(upto3‘Comfort’periods/day),the
heatingcircuitcanbein‘Comfort’or‘Saving’mode(twodifferent
temperaturevaluesfordesiredinlettemperatureandtwodifferent
temperaturevaluesfordesiredroomtemperature).
ThefanF1isON/OFFcontrolledaccordingtotheschedule
andheatingdemand.AdamperP2canbeON/OFFcontrolled
accordingtoschedule.ThecirculationpumpX3isON/OFF
controlledaccordingtoheatingdemand.
Airqualitycontrol(CO2measuredin"ppm"):
ThefansV2andV3areincreasedinspeedwhentheppmvalue(010voltsignalmeasuredbyS11)exceedsaselectablelimit.Speed
relationbetweenV2andV3canbeset.Asanalternative,theS11
signalcanexpressanRHsignal(RelativeHumidity).
Heatrecovery:
Inordertoutilizeheatfromtheexitairduct,arotating
heat-exchanger,acrossheat-exchangerorafluidbatterycan
becontrolledbyM2.BasedontheoutdoortemperatureS1,the
entryducttemperatureS13andtheexitducttemperatureS14the
recoveryefficiency(in%)canbeindicated.
Nightcooling:
DuringSavingmodeapassivecoolingcanbearranged,mainly
underthefollowingconditions:
•roomtemperatureishigherthandesiredsavingroom
temperature
•outdoortemperatureislowerthantheroomtemperature
•schedule3isinComfortmode
TypicalA314.7application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ElectroniccontrollerECLComfort310
Built-inextensionmodule
S1
Outdoortemperaturesensor
S2
(Optional)Compensationtemperaturesensor
S3Ducttemperaturesensor
S4
Roomtemperaturesensor*
S5
(Optional)Returntemperaturesensor
S6
(Optional)Frosttemperaturesensor
S7
(Optional)Frostthermostat
S8
(Optional)Firethermostat
Fanmonitor
S9
S10
Filtermonitor
S11
Airquality(CO2)signal(ppm).Alternative:Relative
Humiditysignal
S13
Entryducttemperaturesensor
S14
Exitducttemperaturesensor
F1
Fan(ON/OFF)
P2
Damper(ON/OFF)
X3
Circulationpump,heating(ON/OFF)
X4
Schedule3
X5
Circulationpump,cooling(ON/OFF)
P7
RecoverycircuitpumpON/OFF ,(notillustrated)
M1
Motorizedcontrolvalve,heating(3-pointcontrolled)
M2
Rotatingheat-exchanger(0-10voltcontrolled)
M3
Motorizedcontrolvalve,cooling(3-pointcontrolled)
V2
Fanspeed(0-10voltcontrolled)
V3
Fanspeed(0-10voltcontrolled)
A1
Alarm
*Alternative:ECA30
20|©Danfoss|2021.06
AQ146286475947en-010601
OperatingGuideECLComfort210/296/310,applicationA214/A314
Heating/coolingwithroomtemperatureandairquality
control(continued)
M1andM3are3-pointcontrolled,whereasM2is0-10Vcontrolled.
Foradescriptionofalarms,compensationtemperature,return
temperaturelimitation(S5)andfrostprotection(S6andS7),please
readthesection‘A214andA314ingeneral’ .
AQ146286475947en-010601
©Danfoss|2021.06|21
OperatingGuideECLComfort210/296/310,applicationA214/A314
TheadvancedheatingapplicationA314.9isveryflexible.These
arethebasicprinciples:
Heatingwithroomtemperatureandairqualitycontrol
Typically,theheatingtemperatureisadjustedaccordingtoyour
requirements.TheairducttemperaturesensorS3isthemost
importantsensor.ThedesiredtemperatureatS3issetintheECL
Comfortcontrollerasthe'Desiredinlettemperature' .
Theairmixingcircuit,controlledbyM2,isconsideredasthe
maincircuit,whereastheheatingcircuit,controlledbyM1,isthe
supplementarycircuit.
ThemotorizedcontrolvalveM1(controllingtheheating
temperature)isopenedgraduallywhentheS3temperatureis
lowerthanthedesiredS3temperatureandviceversa.
Roomtemperature:
Iftheroomtemperature(S4orECA30)doesnotequalthedesired
roomtemperature,thedesiredtemperatureatS3canbeadjusted.
Bymeansofaweekschedule(upto3‘Comfort’periods/day),the
heatingcircuitcanbein‘Comfort’or‘Saving’mode(twodifferent
temperaturevaluesfordesiredinlettemperatureandtwodifferent
temperaturevaluesfordesiredroomtemperature).
ThefanF1isON/OFFcontrolledaccordingtotheschedule
andheatingdemand.AdamperP2canbeON/OFFcontrolled
accordingtoschedule.ThecirculationpumpX3isON/OFF
controlledaccordingtoheatingdemand.
Airqualitycontrol(CO2measuredin"ppm"):
Whentheppmvalue(0-10voltsignalmeasuredbyS11)exceedsa
selectablelimit,thedamperM2graduallyopensinordertosupply
morefreshair.
WhenM2isfullyopen,thefansV2andV3aregraduallyincreased
inspeeduntiltheppmvalueisacceptable.Speedrelationbetween
V2andV3canbeset.
Asanalternative,theS11signalcanexpressanRHsignal(Relative
Humidity).
Ventilationduringsavingperiod:
Adesiredfanspeedcanbeset.
•Roomtemperaturesignalmustbepresent
•ThenightdamperP8willopen
•ThefanV2willoperateatreducedspeed
•ThefanV3isOFF
•P2isOFF
•M2isOFF
M1is3-pointcontrolled,whereasM2is0-10Vcontrolled.
Foradescriptionofalarms,compensationtemperature,return
temperaturelimitation(S5)andfrostprotection(S6andS7),please
readthesection‘A214andA314ingeneral’ .
TypicalA314.9application:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ElectroniccontrollerECLComfort310
Built-inextensionmodule
S1
Outdoortemperaturesensor
S2
(Optional)Compensationtemperaturesensor
S3Ducttemperaturesensor
S4
Roomtemperaturesensor*
S5
(Optional)Returntemperaturesensor
S6
(Optional)Frosttemperaturesensor
S7
(Optional)Frostthermostat
S8
(Optional)Firethermostat
Fanmonitor
S9
S10
Filtermonitor
S11
Airquality(CO2)signal(ppm).Alternative:Relative
Humiditysignal
F1
Fan(ON/OFF)
P2
Damper(ON/OFF),notillustrated
X3
Circulationpump,heating(ON/OFF)
X4
Schedule3
P8
Nightdamper,notillustrated
M1
Motorizedcontrolvalve,heating(3-pointcontrolled)
M2
Motorizeddamper(0-10voltcontrolled)
V2
Fanspeed(0-10voltcontrolled)
V3
Fanspeed(0-10voltcontrolled)
A1
Alarm
*Alternative:ECA30
22|©Danfoss|2021.06
AQ146286475947en-010601
OperatingGuideECLComfort210/296/310,applicationA214/A314
A214andA314ingeneral:
Compensationtemperature(optional):
Ifthemeasuredcompensationtemperature(S1orS2)ishigheror
lowerthanthelimitationvalue,thedesiredtemperatureatS3can
beadjusted.Thecompensationtemperaturecanbemeasured
bytheoutdoortemperaturesensororforexampleanadditional
roomtemperaturesensor.
Overridepossibilities:
Unusedinputcan,bymeansofanoverrideswitch,beusedto
overridethescheduletoafixed'Comfort'or'Saving'mode.
Alarmfunctions:
Thealarm(relay4inECL210,relay6inECL310)isactivated:
1.IfanunaccepteddeviationbetweenthedesiredandactualS3
temperatureoccurs.
2.Ifafrostthermostat(S7)isactivated.
3.IfafrosttemperatureisdetectedatS5orS6.
4.Ifthefirealarm(S8)isactivated.
5.Ifatemperaturesensororitsconnectiondisconnects/short
circuits.
A214.2,A214.3,A214.4,A214.5,A314.1,A314.2andA314.3:
Returntemperature(optional):
Ifthemeasuredreturntemperature(S5)doesnotequalthe
limitationvalue(typically,thereturntemperaturebecomeshigher
thanthelimitationvalue),thedesiredtemperatureatS3canbe
adjusted(typicallytoalowervalue).Thisresultsinagradualclosing
ofthemotorizedcontrolvalve.
Frostprotection(optional):
TemperaturesensorS6and/orfrostthermostatS7canprotect
theheatexchangeragainstfrost.
Furthermore,iftheS5temperaturebecomestoolow,italsocan
enablethefrostprotection.
Anactivatedfrostprotectionwillstartthealarm,stopthefanF1,
closethedamperP2andfullyopenthemotorizedcontrolvalveM1.
Firealarm(optional):
Anactivatedfirealarminputwillstartthealarm,stopthefanF1,
closethedamperP2andclosethemotorizedcontrolvalves.
AQ146286475947en-010601
©Danfoss|2021.06|23
OperatingGuideECLComfort210/296/310,applicationA214/A314
A314.4,A314.5,A314.6andA314.7:
Efficiencycalculation:
x
(Entryduct-Outdoor)
(Exitduct-Outdoor)
Example:
Outdoor(S1)
Entryduct(S13)
Exitduct(S14)
(16-7)
(24-7)
A314.4,A314.5,A314.6andA314.7:
=
=
=
x
100
7
16
24
=
100
=
%
°C
°C
°C
53%
Circuit1'soverviewdisplayshowsoutputstatusforM1.
Anapproximate%-valueforM1'spositionisalsoindicatedinorder
tofollowthecontrolprocedure.
Thecontrollerispre-programmedwithfactorysettingsthatareshown
inthe‘ParameterIDoverview’appendix.
24|©Danfoss|2021.06
AQ146286475947en-010601
OperatingGuideECLComfort210/296/310,applicationA214/A314
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.
Thecirculationpump(s)inheatingcircuit(s)canbeplacedintheflow
aswellasthereturn.Placethepumpaccordingtothemanufacturer’s
specification.
A214.1examplea
Ventilationsystemwithcoolingandconstantroomtemperaturecontrol
Settingadvice:
Setdesiredroomtemperature,forexample20°C.
Setdesiredbalancetemperature,forexample12°C.
Ifaroomtemperaturesensorisnotconnected,thedesiredducttemperatureatS3willcorrespondtothedesiredroomtemperature.
AQ146286475947en-010601
©Danfoss|2021.06|25
OperatingGuideECLComfort210/296/310,applicationA214/A314
A214.1exampleb
Ventilationsystemwithcoolingandconstantroomtemperaturecontrol.Chillerhasconstantflow.
Settingadvice:
Setdesiredroomtemperature,forexample20°C.
Setdesiredbalancetemperature,forexample12°C.
Ifaroomtemperaturesensorisnotconnected,thedesiredducttemperatureatS3willcorrespondtothedesiredroomtemperature.
A214.1examplec
Ventilationsystem(fancoils)withcoolingandconstantroomtemperaturecontrol
Settingadvice:
Setdesiredroomtemperature,forexample5°C.
Setdesiredbalancetemperature,forexample1°C.
Ifaroomtemperaturesensorisnotconnected,thedesiredflowtemperatureatS3willcorrespondtothedesiredroomtemperature.
26|©Danfoss|2021.06
AQ146286475947en-010601
OperatingGuideECLComfort210/296/310,applicationA214/A314
A214.1exampled
Coolingsystemwithconstantflowtemperaturecontrol
Settingadvice:
Setdesiredroomtemperature,forexample1°C.
Ifaroomtemperaturesensorisnotconnected,thedesiredflowtemperatureatS3willcorrespondtothedesiredroomtemperature.
Set‘Fancut-indelay’(IDno.11086—‘Settings’ ,‘Fan/acc.control’)to0seconds.
A214.1examplee
Coolingsysteminceilingandconstantroomtemperaturecontrolinforexampleawinecellar
Settingadvice:
Setdesiredroomtemperature,forexample14°C.
Setdesiredbalancetemperature,forexample10°C.
Ifaroomtemperaturesensorisnotconnected,thedesiredflowtemperatureatS3willcorrespondtothedesiredroomtemperature.
Set‘Fancut-indelay’(IDno.11086—‘Settings’ ,‘Fan/acc.control’)to0seconds.
AQ146286475947en-010601
©Danfoss|2021.06|27
OperatingGuideECLComfort210/296/310,applicationA214/A314
A214.2examplea
Ventilationsystemwithheatingandconstantducttemperaturecontrol
Sensoradvice:
SensorS3andS4mustbeconnected.Ifnot,thefan(F1)stops,thedamper(P2)andmotorizedcontrolvalve(M1)close.
Navigation:
Specialsettingsforsensors/thermostatsusedasfrostprotection:
S6*frosttemperaturesensor—MENU\Alarm\FrostT\Alarmvalue
S5returntemperaturesensor—MENU\Alarm\LimitTfrost\Alarmvalue
ClosingcontactoftheS7*frostthermostat—MENU\Alarm\Frostthermostat\Alarmvalue
OpeningcontactoftheS7*frostthermostat—MENU\Alarm\Frostthermostat\Alarmvalue
*bothfrostprotectionmethods,bymeansofS6and/orS7,canbeused
Specialsettingsforthermostatsusedasfirealarm:
ClosingcontactoftheS8firethermostat—MENU\Alarm\Firesafety\Alarmvalue
OpeningcontactoftheS8firethermostat—MENU\Alarm\Firesafety\Alarmvalue
IDno.:
11676
11656
116160
11616
116360
11636
Recommended
setting:
5°C
5°C
1
1
28|©Danfoss|2021.06
AQ146286475947en-010601
OperatingGuideECLComfort210/296/310,applicationA214/A314
A214.2exampleb
Heatingofaswimmingpool,constantwatertemperaturecontrol
Sensoradvice:
SensorS3andS4mustbeconnected.Ifnot,thepump(F1)stopsandmotorizedcontrolvalve(M1)closes.
Navigation:
Specialsettingsforsensors/thermostatsusedasfrostprotection:
S6*frosttemperaturesensor—MENU\Alarm\FrostT\Alarmvalue
S5returntemperaturesensor—MENU\Alarm\LimitTfrost\Alarmvalue
ClosingcontactoftheS7*frostthermostat—MENU\Alarm\Frostthermostat\Alarmvalue
OpeningcontactoftheS7*frostthermostat—MENU\Alarm\Frostthermostat\Alarmvalue
*bothfrostprotectionmethods,bymeansofS6and/orS7,canbeused
Specialsettingsforthermostatsusedasfirealarm:
ClosingcontactoftheS8firethermostat—MENU\Alarm\Firesafety\Alarmvalue
OpeningcontactoftheS8firethermostat—MENU\Alarm\Firesafety\Alarmvalue
Othersettings:
Fancut-indelay—MENU\Settings\Fan/acc.control
IDno.:
11676
11656
116160
11616
116360
11636
110860
Recommended
setting:
5°C
5°C
1
1
AQ146286475947en-010601
©Danfoss|2021.06|29
OperatingGuideECLComfort210/296/310,applicationA214/A314
A214.3examplea
Ventilationsystemwithheatingandconstantroomtemperaturecontrol
Settingadvice:
Setdesiredroomtemperature,forexample20°C.
Setdesiredbalancetemperature,forexample20°C.
Ifaroomtemperaturesensorisnotconnected,thedesiredducttemperatureatS3willcorrespondtothedesiredroomtemperature.
Navigation:
Specialsettingsforsensors/thermostatsusedasfrostprotection:
S6*frosttemperaturesensor—MENU\Alarm\FrostT\Alarmvalue
S5returntemperaturesensor—MENU\Alarm\LimitTfrost\Alarmvalue
ClosingcontactoftheS7*frostthermostat—MENU\Alarm\Frostthermostat\Alarmvalue
OpeningcontactoftheS7*frostthermostat—MENU\Alarm\Frostthermostat\Alarmvalue
*bothfrostprotectionmethods,bymeansofS6and/orS7,canbeused
Specialsettingsforthermostatsusedasfirealarm:
ClosingcontactoftheS8firethermostat—MENU\Alarm\Firesafety\Alarmvalue
OpeningcontactoftheS8firethermostat—MENU\Alarm\Firesafety\Alarmvalue
IDno.:
11676
11656
116160
11616
116360
11636
Recommended
setting:
5°C
5°C
1
1
30|©Danfoss|2021.06
AQ146286475947en-010601
Loading...