Danfoss ECL Comfort 210/310, A214/A314 Operating instructions

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................................59

2.5Electricalconnections.............................................61

2.6InsertingtheECLApplicationKey..............................79

2.7Checklist............................................................85

2.8Navigation,ECLApplicationKeyA214/A314................86

3.0Dailyuse.......................................................104

3.1Howtonavigate.................................................104

3.2Understandingthecontrollerdisplay........................105

3.3Ageneraloverview:Whatdothesymbols

mean?..............................................................107

3.4Monitoringtemperaturesandsystem

components......................................................108

3.5Inﬂuenceoverview..............................................109

3.6Manualcontrol...................................................110

3.7Schedule..........................................................112

4.0Settingsoverview..........................................113

5.0Settings.........................................................116

5.1IntroductiontoSettings........................................116

5.2Flowtemperature/Inlettemperature.......................117

5.3DuctTlimit/Roomlimit........................................119

5.4Returnlimit.......................................................121

5.5LimitTsafety.....................................................123

5.6Compensation1.................................................124

5.7Compensation2.................................................126

5.8Controlparameters..............................................128

5.9Fan/acc.control(fan/accessorycontrol)..................137

5.10Application.......................................................144

5.11Alarm..............................................................158

6.0Commoncontrollersettings............................164

6.1Introductionto‘Commoncontrollersettings’..............164

6.2Time&Date.......................................................165

6.3Holiday............................................................166

6.4Inputoverview...................................................168

6.5Log.................................................................169

6.6Outputoverride..................................................170

6.7Keyfunctions.....................................................171

6.8System.............................................................173

7.0Miscellaneous................................................180

7.1ECA30/31setupprocedures.................................180

7.2Severalcontrollersinthesamesystem......................188

7.3Frequentlyaskedquestions....................................191

7.4Deﬁnitions........................................................193

7.5Type(ID6001),overview.......................................196

7.6ParameterIDoverview..........................................197

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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)

AdditionaldocumentationforECLComfort210,296

and310,modulesandaccessoriesisavailableon

http://district-heating.danfoss.com/.

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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.

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.

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OperatingGuideECLComfort210/296/310,applicationA214/A314

AsthisOperatingGuidecoversseveralsystemtypes,specialsystem

settingswillbemarkedwithasystemtype.Allsystemtypesareshown

inthechapter:'Identifyingyoursystemtype'.

°C(degreesCelsius)isameasuredtemperaturevaluewhereasK

(Kelvin)oftenisusedfortemperaturedifferences.

TheIDno.isuniquefortheselectedparameter.

ExampleFirstdigitSeconddigitLastthreedigits

1117411174

-

Circuit1

Parameterno.

12174

1

2

174

-

Circuit2

Parameterno.

IfanIDdescriptionismentionedmorethanonce,itmeansthatthere

arespecialsettingsforoneormoresystemtypes.Itwillbemarked

withthesystemtypeinquestion(e.g.12174-A266.9).

ParametersindicatedwithanIDno.like"1x607"meanauniversal

parameter.

xstandsforcircuit/parametergroup.

DisposalNote

Thisproductshouldbedismantledanditscomponents

sorted,ifpossible,invariousgroupsbeforerecycling

ordisposal.

Alwaysfollowthelocaldisposalregulations.

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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.

Asimplefrostprotection(viaS5)canbeestablished.Furthermore,

itisexpectedthatthecoolingexchanger(fancoil)circuitcontains

brine.

Foradescriptionofalarmsandcompensationtemperature,please

readthesection‘A214andA314ingeneral’ .

TypicalA214.1application:

Theshowndiagramisafundamentalandsimpliﬁedexampleanddoes

notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL210/310

ElectroniccontrollerECLComfort210or310

S1

Outdoortemperaturesensor

S2

(Optional)Compensationtemperaturesensor(not

illustrated)

S3

Ducttemperaturesensor

S4

(Optional)Roomtemperaturesensor*

S5

(Optional)Returntemperaturesensor

S8

(Optional)Firethermostat

F1

Fan(ON/OFF)

P2

Damper(ON/OFF)

X3

Circulationpump(ON/OFF)

M2

Motorizedcontrolvalve,cooling(3-point

controlled)

A1

Alarm

*Alternative:ECA30

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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

ElectroniccontrollerECLComfort210or310

S1

Outdoortemperaturesensor

S2

(Optional)Compensationtemperaturesensor(not

illustrated)

S3

Flowtemperaturesensor

S4

Ducttemperaturesensor

S5

(Optional)Returntemperaturesensor

S6

(Optional)Frosttemperaturesensor

S7

(Optional)Frostthermostat

S8

(Optional)Firethermostat

F1

Fan(ON/OFF)

P2

Damper(ON/OFF)

X3

Circulationpump(ON/OFF)

M1

Motorizedcontrolvalve,heating(3-pointcontrolled)

A1

Alarm

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OperatingGuideECLComfort210/296/310,applicationA214/A314

TypicalA214.3application:

Theshowndiagramisafundamentalandsimpliﬁedexampleanddoes

notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL210/310

ElectroniccontrollerECLComfort210or310

S1

Outdoortemperaturesensor

S2

(Optional)Compensationtemperaturesensor(not

illustrated)

S3

Ducttemperaturesensor

S4Roomtemperaturesensor*

S5

(Optional)Returntemperaturesensor

S6

(Optional)Frosttemperaturesensor

S7

(Optional)Frostthermostat

S8

(Optional)Firethermostat

F1

Fan(ON/OFF)

P2

Damper(ON/OFF)

X3

Circulationpump(ON/OFF)

M1

Motorizedcontrolvalve,heating(3-pointcontrolled)

A1

Alarm

*Alternative:ECA30

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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

ElectroniccontrollerECLComfort210or310

S1

Outdoortemperaturesensor

S2

(Optional)Compensationtemperaturesensor(not

illustrated)

S3

Heatingtemperaturesensor

S4

Airducttemperaturesensor

S5

(Optional)Returntemperaturesensor

S6

(Optional)Frosttemperaturesensor

S7

(Optional)Frostthermostat

S8

(Optional)Firethermostat

F1

Fan(ON/OFF)

P2

Damper(ON/OFF)

X3

Circulationpump,heating(ON/OFF)

M1

Motorizedcontrolvalve,heating(3-point

controlled)

M2

Motorizedcontrolvalve,cooling(3-pointcontrolled)

A1

Alarm

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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

ElectroniccontrollerECLComfort210or310

S1

Outdoortemperaturesensor

S2

(Optional)Compensationtemperaturesensor(not

illustrated)

S3

Ducttemperaturesensor

S4Roomtemperaturesensor*

S5

(Optional)Returntemperaturesensor

S6

(Optional)Frosttemperaturesensor

S7

(Optional)Frostthermostat

S8

(Optional)Firethermostat

F1

Fan(ON/OFF)

P2

Damper(ON/OFF)

X3

Circulationpump,heating(ON/OFF)

M1

Motorizedcontrolvalve,heating(3-pointcontrolled)

M2

Motorizedcontrolvalve,cooling(3-pointcontrolled)

A1

Alarm

*Alternative:ECA30

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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

ElectroniccontrollerECLComfort210or310

S1

Outdoortemperaturesensor

S2

(Optional)Compensationtemperaturesensor

S3

Flowtemperaturesensor

S4Roomtemperaturesensor*

S5

(Optional)Returntemperaturesensor

S6

(Optional)Frosttemperaturesensor(notillustrated)

S7

(Optional)Frostthermostat(notillustrated)

S8

(Optional)Firethermostat(notillustrated)

F1

Circulationpump(ON/OFF)

P2

Accessoryoutput(ON/OFF)

X3

Optionaloutput(ON/OFF)

M1

Motorizedcontrolvalve,heating(3-pointcontrolled)

A1

Alarm

*Alternative:ECA30

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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

ElectroniccontrollerECLComfort310

ECA32

Built-inextensionmodule

S1

Outdoortemperaturesensor

S2

(Optional)Compensationtemperaturesensor

S3

Flowtemperaturesensor

S4

Ducttemperaturesensor

S5

(Optional)Returntemperaturesensor

S6

(Optional)Frosttemperaturesensor

S7

(Optional)Frostthermostat

S8

(Optional)Firethermostat

F1

Fan(ON/OFF)

P2

Damper(ON/OFF)

X3

Circulationpump,heating(ON/OFF)

M1

Motorizedcontrolvalve,heating(3-pointcontrolled)

M2

Motorizeddamper(0-10voltcontrolled)

A1

Alarm

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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

ElectroniccontrollerECLComfort310

ECA32

Built-inextensionmodule

S1

Outdoortemperaturesensor

S2

(Optional)Compensationtemperaturesensor

S3

Ducttemperaturesensor

S4Roomtemperaturesensor*

S5

(Optional)Returntemperaturesensor

S6

(Optional)Frosttemperaturesensor

S7

(Optional)Frostthermostat

S8

(Optional)Firethermostat

F1

Fan(ON/OFF)

P2

Damper(ON/OFF)

X3

Circulationpump,heating(ON/OFF)

M1

Motorizedcontrolvalve,heating(3-pointcontrolled)

M2

Motorizeddamper(0-10voltcontrolled)

A1

Alarm

*Alternative:ECA30

12|©Danfoss|2017.03

VI.GU.A3.02

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

S3

Ducttemperaturesensor

S4Roomtemperaturesensor*

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

VI.GU.A3.02

©Danfoss|2017.03|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

ElectroniccontrollerECLComfort310

ECA32

Built-inextensionmodule

S1

Outdoortemperaturesensor

S2

(Optional)Compensationtemperaturesensor

S3

Ducttemperaturesensor

S4Roomtemperaturesensor*

S5

(Optional)Returntemperaturesensor

S6

(Optional)Frosttemperaturesensor

S7

(Optional)Frostthermostat

S8

(Optional)Firethermostat

S9

Fanmonitor

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|2017.03

VI.GU.A3.02

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’ .

VI.GU.A3.02

©Danfoss|2017.03|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(CO

2

measuredin"ppm"):

ThefansV2andV3areincreasedinspeedwhentheppmvalue(0-

10voltsignalmeasuredbyS11)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

ElectroniccontrollerECLComfort310

ECA32

Built-inextensionmodule

S1

Outdoortemperaturesensor

S2

(Optional)Compensationtemperaturesensor

S3

Ducttemperaturesensor

S4Roomtemperaturesensor*

S5

(Optional)Returntemperaturesensor

S6

(Optional)Frosttemperaturesensor

S7

(Optional)Frostthermostat

S8

(Optional)Firethermostat

S9

Fanmonitor

S10

Filtermonitor

S11

Airquality(CO

2

)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|2017.03

VI.GU.A3.02

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’ .

VI.GU.A3.02

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

ElectroniccontrollerECLComfort310

ECA32

Built-inextensionmodule

S1

Outdoortemperaturesensor

S2

(Optional)Compensationtemperaturesensor

S3

Ducttemperaturesensor

S4Roomtemperaturesensor*

S5

(Optional)Returntemperaturesensor

S6

(Optional)Frosttemperaturesensor

S7

(Optional)Frostthermostat

S8

(Optional)Firethermostat

S9

Fanmonitor

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

VI.GU.A3.02

OperatingGuideECLComfort210/296/310,applicationA214/A314

Heating/coolingwithroomtemperatureandairpressure

control(continued)

M1andM3are3-pointcontrolled,whereasM2is0-10Vcontrolled.

Foradescriptionofalarms,compensationtemperature,return

temperaturelimitation(S5)andfrostprotection(S6andS7),please

readthesection‘A214andA314ingeneral’ .

VI.GU.A3.02

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(CO

2

measuredin"ppm"):

ThefansV2andV3areincreasedinspeedwhentheppmvalue(0-

10voltsignalmeasuredbyS11)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

ElectroniccontrollerECLComfort310

ECA32

Built-inextensionmodule

S1

Outdoortemperaturesensor

S2

(Optional)Compensationtemperaturesensor

S3

Ducttemperaturesensor

S4Roomtemperaturesensor*

S5

(Optional)Returntemperaturesensor

S6

(Optional)Frosttemperaturesensor

S7

(Optional)Frostthermostat

S8

(Optional)Firethermostat

S9

Fanmonitor

S10

Filtermonitor

S11

Airquality(CO

2

)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

VI.GU.A3.02

OperatingGuideECLComfort210/296/310,applicationA214/A314

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Danfoss ECL Comfort 210/310, A214/A314 Operating instructions

Danfoss ECL Comfort 210/310, A214/A314 Operating instructions

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