Danfoss ECL Comfort 310, A362 Operating instructions

Brand: Danfoss

Model: ECL Comfort 310, A362

Category: Heat pumps

Type: Operating instructions

OperatingGuide

ECLComfort310,applicationA362

1.0TableofContents

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

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

2.0Installation........................................................6

2.1Beforeyoustart.....................................................6

2.2Identifyingthesystemtype......................................14

2.3Mounting...........................................................15

2.4Placingthetemperaturesensors................................19

2.5Electricalconnections.............................................21

2.6InsertingtheECLApplicationKey..............................30

2.7Checklist............................................................36

2.8Navigation,ECLApplicationKeyA362.........................37

3.0Dailyuse.........................................................42

3.1Howtonavigate...................................................42

3.2Understandingthecontrollerdisplay..........................43

3.3Ageneraloverview:Whatdothesymbolsmean?...........46

3.4Monitoringtemperaturesandsystem

components........................................................47

3.5Inﬂuenceoverview................................................48

3.6Manualcontrol.....................................................49

3.7Schedule............................................................50

4.0Settingsoverview............................................51

5.0Settings...........................................................53

5.1IntroductiontoSettings..........................................53

5.2Flowtemperature..................................................54

5.3Returnlimit.........................................................57

5.4Controlparameters................................................61

5.5Flow/powerlimit.................................................65

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

5.7Application.........................................................73

5.8Heatcut-out........................................................82

5.9Event.................................................................85

6.0Commoncontrollersettings..............................93

6.1Introductionto‘Commoncontrollersettings’................93

6.2Time&Date.........................................................94

6.3Inputoverview.....................................................95

6.4Log...................................................................96

6.5Outputoverride....................................................97

6.6Keyfunctions.......................................................98

6.7System.............................................................100

7.0Miscellaneous................................................107

7.1ECA30/31setupprocedures.................................107

7.2Overridefunction................................................115

7.3Severalcontrollersinthesamesystem......................118

7.4Frequentlyaskedquestions....................................121

7.5Deﬁnitions........................................................124

7.6M-Buscommunication,ingeneral............................127

7.7Type(ID6001),overview.......................................128

7.8ParameterIDoverview..........................................129

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1.1Importantsafetyandproductinformation

1.1.1Importantsafetyandproductinformation

ThisInstallationGuideisassociatedwiththeECLApplicationKey

A362(codeno.087H3845).

TheECLApplicationKeyA362containsthissubtype:

•A362.1:Heatingsupply,managementof1or2heatexchangers

SeetheInstallationGuideforelectricalconnections.

ThedescribedfunctionsarerealizedinECLComfort310/ECL

Comfort310BwhichalsoallowsM-bus,ModbusandEthernet

(Internet)communication.TheApplicationKeyA362complieswith

ECLComfort310controllersasofsoftwareversion1.11(visible

atstart-upofthecontrollerandin'Commoncontrollersettings'

in'System').

UptotwoRemoteControlUnits,ECA30orECA31,canbe

connected.

TheapplicationA362workswiththeinternalextensionI/Omodule

ECA32.ECA32gives0-10Voltoutputsignalsfor:

•controlofMotorizedControlValves(MCV)

•heatdemand

Furthermore,ECA32receives0-10Voltinputsignalsfor:

•3-pointMCVpositions

•digital

TheInternalI/OmoduleECA32isplacedinthebasepartofthe

ECLComfort310/310B.

TogetherwiththeECLComfort310/310BtheadditionalInternal

I/OmoduleECA32canalsobeusedforextradatacommunication

toSCADA:

•Temperature,Pt1000(default)

•0-10voltsignals

Theset-upofinputtypecanbedonebymeansoftheDanfoss

Software"ECLTool".

Navigation:Danfoss.com>Products&Solutions>DistrictHeating

andCooling>Tools&Software>ECLTool.

TheURLis:http://heating.danfoss.com/download

ECLComfort310isavailableas:

•ECLComfort310,230volta.c.(codeno.087H3040)

•ECLComfort310B,230volta.c.(codeno.087H3050)

•ECLComfort310,24volta.c.(codeno.087H3044)*)

*)TheInstallationGuidedescribes230Voltversiononly.

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OperatingGuideECLComfort310,applicationA362

TheB-typehasnodisplayanddial.

TheB-typeisoperatedbymeansoftheremotecontrolunit

ECA30/31:

•ECA30(codeno.087H3200)

•ECA31(codeno.087H3201)

InternalextensionI/Omodules:

•ECA32(codeno.087H3202)

BasepartforECLComfort310/310B,230Volt:

•codeno.087H3230

AdditionaldocumentationforECLComfort210,296and310,

modulesandaccessoriesisavailableonhttp://heating.danfoss.com/.

Applicationkeysmightbereleasedbeforealldisplaytextsare

translated.InthiscasethetextisinEnglish.

Automaticupdateofcontrollersoftware(ﬁrmware):

Thesoftwareofthecontrollerisupdatedautomaticallywhenthekey

isinserted(asofcontrollerversion1.11(ECL210/310)andversion

1.58(ECL296)).Thefollowinganimationwillbeshownwhenthe

softwareisbeingupdated:

Progressbar

Duringupdate:

•DonotremovetheKEY

Ifthekeyisremovedbeforethehour-glassisshown,youhave

tostartafresh.

•Donotdisconnectthepower

Ifthepowerisinterruptedwhenthehour-glassisshown,the

controllerwillnotwork.

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OperatingGuideECLComfort310,applicationA362

SafetyNote

Toavoidinjuryofpersonsanddamagestothedevice,itisabsolutely

necessarytoreadandobservetheseinstructionscarefully.

Necessaryassembly,start-up,andmaintenanceworkmustbe

performedbyqualiﬁedandauthorizedpersonnelonly.

Locallegislationsmustberespected.Thiscomprisesalsocable

dimensionsandtypeofisolation(doubleisolatedat230V).

AfusefortheECLComfortinstallationismax.10Atypically.

TheambienttemperaturerangesforECLComfortinoperationare:

ECLComfort210/310:0-55°C

ECLComfort296:0-45°C.

Exceedingthetemperaturerangecanresultinmalfunctions.

Installationmustbeavoidedifthereisariskforcondensation(dew).

Thewarningsignisusedtoemphasizespecialconditionsthatshould

betakenintoconsideration.

Thissymbolindicatesthatthisparticularpieceofinformationshould

bereadwithspecialattention.

AsthisOperatingGuidecoversseveralsystemtypes,specialsystem

settingswillbemarkedwithasystemtype.Allsystemtypesareshown

inthechapter:'Identifyingyoursystemtype'.

°C(degreesCelsius)isameasuredtemperaturevaluewhereasK

(Kelvin)oftenisusedfortemperaturedifferences.

TheIDno.isuniquefortheselectedparameter.

ExampleFirstdigitSeconddigitLastthreedigits

1117411174

Circuit1

Parameterno.

12174

174

Circuit2

Parameterno.

IfanIDdescriptionismentionedmorethanonce,itmeansthatthere

arespecialsettingsforoneormoresystemtypes.Itwillbemarked

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

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OperatingGuideECLComfort310,applicationA362

ParametersindicatedwithanIDno.like"1x607"meanauniversal

parameter.

xstandsforcircuit/parametergroup.

DisposalNote

Thisproductshouldbedismantledanditscomponents

sorted,ifpossible,invariousgroupsbeforerecycling

ordisposal.

Alwaysfollowthelocaldisposalregulations.

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OperatingGuideECLComfort310,applicationA362

2.0Installation

2.1Beforeyoustart

TheECLapplicationkeyA362containsonesubtype,A362.1.

Thisheatingbasedapplicationisveryﬂexible.

ThebasicprinciplesforapplicationA362.1,ex.a:

Managementof2heatexchangers(HEX-1andHEX-2)incascade,

basedonﬂowtemperaturerelatedconditionsintheinstallation.

Atlowheatdemand,HEX-1actsasmainHEXandwillsupply

sufﬁcientheat.Atincreasedheatdemand,HEX-2willactas

supplyingHEXandwillbeactivatedforfurtherheatsupply.This

cascadingprocess(HEX-1->HEX-2)can,afterasettime,be

inversed(HEX-2->HEX-1),sothatHEX-2ismainHEXandHEX-1

issupplyingHEX.

Theﬂowtemperatureisadjustedaccordingtoyourrequirements.

TheﬂowtemperaturesensorsS3andS4arethemostimportant

sensorsandmustbeconnected.Thedesiredﬂowtemperatureat

S3/S4iscalculatedintheECLcontroller,basedontheoutdoor

temperature(S1)andthedesiredroomtemperature.

Thelowertheoutdoortemperature,thehigherthedesiredﬂow

temperature.

FlowtemperaturesensorS2actsasmonitoringtemperaturesensor.

Bymeansofaweekschedule,theheatingcircuitcanbein

‘Comfort’or‘Saving’mode.

Theweekschedulecanhaveupto3‘Comfort’periods/day.A

valueforthedesiredroomtemperaturecanbesetineachofthe

twomodes.

InSavingmode,theheatingcanbereducedorswitchedofftotally.

Cascadeprocessdescription:

Atstart-up,theON-OFFvalveO1iscommandedtoopen.When

O1hasreachedFull-openposition,thecirculationpumpP1is

switchedON.HereafterthemotorizedcontrolvalveV1(0-10V

controlled)isopenedgradually.

Alternatively,whenaﬂowisdetectedbyS9themotorizedcontrol

valveV1(0-10Vcontrolled)isopenedgradually.

Iftheﬂowtemperaturegetshigherthanthedesiredﬂow

temperature,themotorizedcontrolvalveV1isclosedgradually.

IfthedesiredﬂowtemperaturecannotbereachedbyHEX-1,

thenHEX-2willbeswitchedinadditionallywithstartsequence

asdescribedabove.

Ifabigtemperaturedifferencebetweenactualanddesiredﬂow

temperatureispresentatstart-up,bothvalveswillbeopened.

ThereturntemperaturesS5/S6tothedistrictheatingsupply

shouldnotbetoohigh.Ifso,thedesiredﬂowtemperaturecanbe

adjusted(typicallytoalowervalue),thusresultinginagradual

closingofthemotorizedcontrolvalve.

Inboiler-basedheatingsupplythereturntemperatureshouldnot

betoolow(sameadjustmentprocedureasabove).

Furthermore,thereturntemperaturelimitationcanbedependent

oftheoutdoortemperature.Typically,thelowertheoutdoor

temperature,thehighertheacceptedreturntemperature.

Thecirculationpumps,P1/P2,areONatheatdemandoratfrost

protection.

TheheatingcanbeswitchedOFFwhentheoutdoortemperatureis

higherthanaselectablevalue.

ApplicationA362.1,ex.a:

2x0-10VcontrolledMCVs.

Theshowndiagramisafundamentalandsimpliﬁedexampleanddoes

notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL310

ECLComfort310controller

ECA32

Built-inextensionmodule,0-10Voutputsand

extrainputs

Outdoorairtemperaturesensor

Commonﬂowtemperaturesensor

(mandatory)Flowtemperaturesensor,HEX-1

(mandatory)Flowtemperaturesensor,HEX-2

Returntemperaturesensor,HEX-1

Returntemperaturesensor,HEX-2

OverrideinputforstartHEX-1

OverrideinputforstartHEX-2

Flowswitchorend-switchforopenO1,HEX-1

S10

Flowswitchorend-switchforopenO2,HEX-2

S11

(notillustrated)Overrideforsettingdesiredﬂow

temperature

S15

Inputforalarm,eventorStop,Hex-1

S16

Inputforalarm,eventorStop,Hex-2

Alarmoutput

Circulationpump,HEX-1

Circulationpump,HEX-2

Motorizedcontrolvalve,0-10Vcontrolled;HEX-1

Motorizedcontrolvalve,0-10Vcontrolled;HEX-2

Desiredﬂowtemperaturesignal,0-10V,forslaves

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OperatingGuideECLComfort310,applicationA362

Aconnectedﬂoworenergymeter,basedonM-bussignalcan

limittheﬂoworenergytoasetmaximumvalue.Furthermore,the

limitationcanbeinrelationtotheoutdoortemperature.Typically,

thelowertheoutdoortemperature,thehighertheacceptedﬂow/

power.

Thefrostprotectionmodemaintainsaselectableﬂowtemperature,

forexample,10°C.

Unusedinputscan,bymeansofanoverrideswitchorrelaycontact,

beusedforoverridingthescheduletoaﬁxed'Comfort','Saving' ,

'Frostprotection'orConstanttemperature'mode.

UptotwoRemoteControlUnits,ECA30/31canbeconnectedto

oneECLcontrollerinordertocontroltheECLcontrollerremotely.

AdditionalECLComfortcontrollerscanbeconnectedviatheECL

485businordertoutilizecommonoutdoortemperaturesignal,

timeanddatesignals.TheECLControllersintheECL485bus

systemcanworkasmasterandslaves.

TheapplicationA362offersextensiontocontrolupto6HEXin

total.OneECL310actsasmasterandoneortwoECL310actas

slaves.ThemastergeneratesasignalV3(0-10V)whichisapplied

totheslave(s).

TheoverrideinputsS7andS8areusedforstartcommandsHEX-1

andHEX-2respectively.

TheinputsS15/S16canbeusedforstopcommandorapplying

alarmsignalsfromexternalcomponents,suchasacirculation

pump.

Event

Analarmcanbeactivatediftheactualﬂowtemperaturediffers

fromthedesiredﬂowtemperature.

AlarmA1(=relay6)canbeactivatedif:

•theactualchargingtemperaturediffersfromthedesiredcharge

temperature

•thesupplytemperaturedoesnotreachthenecessarylevel

•atemperaturesensororitsconnectiondisconnects/short

circuits.(See:Commoncontrollersettings>System>Raw

inputoverview).

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OperatingGuideECLComfort310,applicationA362

ThebasicprinciplesforapplicationA362.1,ex.b:

Thisexampleworkslikeexamplea.P5iscommonpumpforHEX-1

andHEX-2andisalogicORofP1andP2.

ApplicationA362.1,ex.b:

2x0-10VcontrolledMCVs,onecommoncirculationpump.

Theshowndiagramisafundamentalandsimpliﬁedexampleanddoes

notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL310

ECLComfort310controller

ECA32

Built-inextensionmodule,0-10Voutputsand

extrainputs

Outdoorairtemperaturesensor

Commonﬂowtemperaturesensor

(mandatory)Flowtemperaturesensor,HEX-1

(mandatory)Flowtemperaturesensor,HEX-2

Returntemperaturesensor,HEX-1

Returntemperaturesensor,HEX-2

OverrideinputforstartHEX-1

OverrideinputforstartHEX-2

Flowswitchorend-switchforopenO1,HEX-1

S10

Flowswitchorend-switchforopenO2,HEX-2

S11

(notillustrated)Overrideforsettingdesiredﬂow

temperature

S15

Inputforalarm,eventorStop,Hex-1

S16

Inputforalarm,eventorStop,Hex-2

Alarmoutput

Circulationpump,common

Motorizedcontrolvalve,0-10Vcontrolled;HEX-1

Motorizedcontrolvalve,0-10Vcontrolled;HEX-2

Desiredﬂowtemperaturesignal,0-10V,forslaves

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OperatingGuideECLComfort310,applicationA362

ThebasicprinciplesforapplicationA362.1,ex.c:

Thisexampleworkslikeexamplea.Themotorizedcontrolvalves

are3-pointcontrolled.

ThevalvepositionsignalsS12andS13mustbeconnected.

SolutionwithP1/P2orcommonP5canbeused,becauseP5is

alogicORofP1andP2.

Thiscascadingprocess(HEX-1->HEX-2)can,afterasettime,be

inversed(HEX-2->HEX-1),soHEX-2ismainHEXandHEX-1is

supplyingHEX.

ApplicationA362.1,ex.c:

2x3-pointcontrolledMCVs.

Theshowndiagramisafundamentalandsimpliﬁedexampleanddoes

notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL310

ECLComfort310controller

ECA32

Built-inextensionmodule,0-10Voutputsand

extrainputs

Outdoorairtemperaturesensor

Commonﬂowtemperaturesensor

(mandatory)Flowtemperaturesensor,HEX-1

(mandatory)Flowtemperaturesensor,HEX-2

Returntemperaturesensor,HEX-1

Returntemperaturesensor,HEX-2

OverrideinputforstartHEX-1

OverrideinputforstartHEX-2

Flowswitchorend-switchforopenO1,HEX-1

S10

Flowswitchorend-switchforopenO2,HEX-2

S11

(notillustrated)Overrideforsettingdesiredﬂow

temperature

S12

(mandatory)M1valvepositionsignal(0-10V)

S13

(mandatory)M2valvepositionsignal(0-10V)

S15

Inputforalarm,eventorStop,Hex-1

S16

Inputforalarm,eventorStop,Hex-2

Alarmoutput

Motorizedcontrolvalve,3-pointcontrolled;HEX-1

Motorizedcontrolvalve,3-pointcontrolled;HEX-2

Circulationpump,HEX-1

Circulationpump,HEX-2

Desiredﬂowtemperaturesignal,0-10V,forslaves

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OperatingGuideECLComfort310,applicationA362

ThebasicprinciplesforapplicationA362.1,ex.d:

Thisexampleworkslikeexamplea.Themotorizedcontrolvalves

foreachheatexchanger(HEX)isasmallervalvewhichis0-10V

controlled(V)andabiggervalvewhichis3-pointcontrolled(M).

Thecombinationsmaller/biggervalveisusedforcompensating

thevalvecharacteristicsatlowload.ThevalvepositionsignalsS12

andS13fortheMtypesmustbeconnected.

SolutionwithP1/P2orcommonP5canbeused,becauseP5is

alogicORofP1andP2.

Cascadeprocessdescription:

Atstart-up,theON-OFFvalveO1isopenedandthecirculation

pumpP1isswitchedON.WheneitherﬂowisdetectedbyS9orO1

hasreachedFull-openposition,themotorizedcontrolvalveV1(0-

10Vcontrolled)isopenedgradually.Accordingtoincreasedheat

demand,M1willstartopeningbeforeV1isfullyopen.Thisensures

anacceptabletransitionfromsmalltobigvalve.

Iftheﬂowtemperaturegetshigherthanthedesiredﬂow

temperature,themotorizedcontrolvalveM1isclosedgradually.

IfthedesiredﬂowtemperaturecannotbereachedbyHEX-1(full

openvalves,controlledbyV1andM1),thenHEX-2willbeswitched

inadditionallywithstartsequenceasdescribedabove.

Thiscascadingprocess(HEX-1->HEX-2)can,afterasettime,be

inversed(HEX-2->HEX-1),soHEX-2ismainHEXandHEX-1is

supplyingHEX.

ApplicationA362.1,ex.d:

2x0-10Vand3-pointcontrolledMCVs.

Theshowndiagramisafundamentalandsimpliﬁedexampleanddoes

notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL310

ECLComfort310controller

ECA32

Built-inextensionmodule,0-10Voutputsand

extrainputs

Outdoorairtemperaturesensor

Commonﬂowtemperaturesensor

(mandatory)Flowtemperaturesensor,HEX-1

(mandatory)Flowtemperaturesensor,HEX-2

Returntemperaturesensor,HEX-1

Returntemperaturesensor,HEX-2

OverrideinputforstartHEX-1

OverrideinputforstartHEX-2

Flowswitchorend-switchforopenO1,HEX-1

S10

Flowswitchorend-switchforopenO2,HEX-2

S11

(notillustrated)Overrideforsettingdesiredﬂow

temperature

S12

(mandatory)M1valvepositionsignal(0-10V)

S13

(mandatory)M2valvepositionsignal(0-10V)

S15

Inputforalarm,eventorStop,Hex-1

S16

Inputforalarm,eventorStop,Hex-2

Alarmoutput

Bigmotorizedcontrolvalve,3-pointcontrolled;

HEX-1

Bigmotorizedcontrolvalve,3-pointcontrolled;

HEX-2

Circulationpump,HEX-1

Circulationpump,HEX-2

Smallmotorizedcontrolvalve,3-pointcontrolled;

HEX-1

Smallmotorizedcontrolvalve,3-pointcontrolled;

HEX-2

Desiredﬂowtemperaturesignal,0-10V,forslaves

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OperatingGuideECLComfort310,applicationA362

ThebasicprinciplesforapplicationA362.1,ex.e:

Thisexampleworkslikeexamplesaandd.Themotorizedcontrol

valvesforeachheatexchanger(HEX)are3-pointcontrolled(M).

Thecombinationof2valvescanbeusedforcompensatingthe

valvecharacteristicsatlowload.ThevalvepositionsignalsS12and

S13mustbeconnected.

SolutionwithP1/P2orcommonP5canbeused,becauseP5is

alogicORofP1andP2.

Cascadeprocessdescription:

Atstart-up,theON-OFFvalveO1isopenedandthecirculation

pumpP1isswitchedON.WheneitherﬂowisdetectedbyS9orO1

hasreachedFull-openposition,themotorizedcontrolvalveM1.1

isopenedgradually.Atincreasedheatdemand,M1.2willstart

openingwhenM1.1isfullyopen.

Iftheﬂowtemperaturegetshigherthanthedesiredﬂow

temperature,themotorizedcontrolvalveM1.2isclosedgradually

beforeM1.1.

IfthedesiredﬂowtemperaturecannotbereachedbyHEX-1(full

openvalves,controlledbyM1.1andM1.2),thenHEX-2(valves

controlledbyM2.1andM2.2)willbeswitchedinadditionallywith

startsequenceasdescribedabove.

Thiscascadingprocess(HEX-1->HEX-2)can,afterasettime,be

inversed(HEX-2->HEX-1),soHEX-2ismainHEXandHEX-1is

supplyingHEX.

ApplicationA362.1,ex.e:

4x3-pointcontrolledMCVs.

Theshowndiagramisafundamentalandsimpliﬁedexampleanddoes

notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL310

ECLComfort310controller

ECA32

Built-inextensionmodule,0-10Voutputsand

extrainputs

Outdoorairtemperaturesensor

Commonﬂowtemperaturesensor

(mandatory)Flowtemperaturesensor,HEX-1

(mandatory)Flowtemperaturesensor,HEX-2

Returntemperaturesensor,HEX-1

Returntemperaturesensor,HEX-2

OverrideinputforstartHEX-1

OverrideinputforstartHEX-2

Flowswitchorend-switchforopenO1,HEX-1

S10

Flowswitchorend-switchforopenO2,HEX-2

S11

(notillustrated)Overrideforsettingdesiredﬂow

temperature

S12

(mandatory)M1.1/M1.2valvepositionsignal(0-

10V)

S13

(mandatory)M2.1/M2.2valvepositionsignal(0-

10V)

S15

Inputforalarm,eventorStop,Hex-1

S16

Inputforalarm,eventorStop,Hex-2

Alarmoutput

M1.1

Motorizedcontrolvalve,3-pointcontrolled;HEX-1

M1.2

Motorizedcontrolvalve,3-pointcontrolled;HEX-1

M2.1

Motorizedcontrolvalve,3-pointcontrolled;HEX-2

M2.2

Motorizedcontrolvalve,3-pointcontrolled;HEX-2

Circulationpump,HEX-1

Circulationpump,HEX-2

Desiredﬂowtemperaturesignal,0-10V,forslaves

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OperatingGuideECLComfort310,applicationA362

ThebasicprinciplesforapplicationA362.1,ex.f:

Thisexampleworkslikeexampled,butwithoneheatexchanger

(HEX)only.ThemotorizedcontrolvalvesfortheHEXisasmaller

valvewhichis0-10Vcontrolled(V)andabiggervalvewhichis

3-pointcontrolled(M).Thecombinationsmaller/biggervalveis

usedforcompensatingthevalvecharacteristicsatlowload.The

valvepositionsignalS12fortheMtypemustbeconnected.

Cascadeprocessdescription:

Atstart-up,theON-OFFvalveO1isopenedandthecirculation

pumpP1isswitchedON.WheneitherﬂowisdetectedbyS9orO1

hasreachedFull-openposition,themotorizedcontrolvalveV1(0-

10Vcontrolled)isopenedgradually.Accordingtoincreasedheat

demand,M1willstartopeningbeforeV1isfullyopen.Thisensures

anacceptabletransitionfromsmalltobigvalve.

Iftheﬂowtemperaturegetshigherthanthedesiredﬂow

temperature,themotorizedcontrolvalveM1isclosedgradually.

ApplicationA362.1,ex.f:

1x0-10Vand1x3-pointcontrolledMCVs.

Theshowndiagramisafundamentalandsimpliﬁedexampleanddoes

notcontainallcomponentsthatarenecessaryinasystem.

AllnamedcomponentsareconnectedtotheECLComfortcontroller.

Listofcomponents:

ECL310

ECLComfort310controller

ECA32

Built-inextensionmodule,0-10Voutputsand

extrainputs

Outdoorairtemperaturesensor

(mandatory)Flowtemperaturesensor

Returntemperaturesensor

Overrideinputforstart

Flowswitchorend-switchforopenO1

S11

(notillustrated)Overrideforsettingdesiredﬂow

temperature

S12

(mandatory)M1valvepositionsignal(0-10V)

S15

Inputforalarm,eventorstop

Alarmoutput

Motorizedcontrolvalve,3-point-controlled

Motorizedcontrolvalve,0-10—controlled

Circulationpump

Desiredﬂowtemperaturesignal,0-10V,forslaves

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OperatingGuideECLComfort310,applicationA362

A362ingeneral

Examplesa,b,c,dande:

Componentset-uponHEXsecondarysidesmustbethesame

forbothcircuits.Asolutionwherecircuit1hasO1withend-stop

switchesandcircuit2hasaﬂowswitchS10isnotallowed.

Inaddition,itmustbeensuredthatbothHEXshavethesameﬂow

ratesonthesecondarysides.

Examplesdandf:

Therelationshipbetweenthecontrolvalvesmust,asamaximum,

be33%(smallvalve=lowKvvalue)and67%(bigvalve=highKv

value).Arelationship25%(smallvalve)/75%(bigvalve)isbetter.

Thesmallvalveiscontrolledbythe0-10Voltcontrolledactuator;

thebigvalveiscontrolledbythe3-pointcontrolledactuator.

Severalheatexchangers(HEX)tobecontrolledincascade:

Upto6HEXscanbecontrolled.OneECL310canhandle2HEXs,

so6HEXsarecontrolledby3xECL310.TheﬁrstECL310actsasa

MasterandmustbeassignedtheECLBusaddress"15".

ThefollowingECL310controllersactasSlave(s).FirstSlavemust

beassignedtheECLBusaddress"1";thesecondSlavemustbe

assignedtheECLBusaddress"2".

TheMasterhastheentirecontrolofthecascadecontrol.The

Slave(s)do(es)notneedtosendthedesiredﬂowtemperatureto

theMaster(M>MENU>Settings>Application>"Senddesired

T",ID11500:SettoOFF).

Themenusaredividedinto4sections:

Master(M)

Schedule,Flowandreturntemperature

control,Powerlimitation,Optimization,

ApplicationandHeatcut-out.

Circuit1(HEX-1)

Controlparametersfor0-10Vand

3-pointcontrol,Application(circulation

pumpandON-OFFvalve).

Circuit2(HEX-2)

Controlparametersfor0-10Vand

3-pointcontrol,Application(circulation

pumpandON-OFFvalve).

CommoncontrollerTimeanddate,Inputoverview,Log,

Outputoverrideandothers.

Thecontrollerispre-programmedwithfactorysettingsthatareshown

inthe‘ParameterIDoverview’appendix.

VI.LV.J1.02

OperatingGuideECLComfort310,applicationA362

2.2Identifyingthesystemtype

Sketchyourapplication

TheECLComfortcontrollerseriesisdesignedforawiderange

ofheating,domestichot-water(DHW)andcoolingsystemswith

differentconﬁgurationsandcapacities.Ifyoursystemdiffers

fromthediagramsshownhere,youmaywanttomakeasketch

ofthesystemabouttobeinstalled.Thismakesiteasiertouse

theOperatingGuide,whichwillguideyoustep-by-stepfrom

installationtoﬁnaladjustmentsbeforetheend-usertakesover.

TheECLComfortcontrollerisauniversalcontrollerthatcanbe

usedforvarioussystems.Basedontheshownstandardsystems,

itispossibletoconﬁgureadditionalsystems.Inthischapteryou

ﬁndthemostfrequentlyusedsystems.Ifyoursystemisnotquite

asshownbelow,ﬁndthediagramwhichhasthebestresemblance

withyoursystemandmakeyourowncombinations.

SeetheInstallationGuide(deliveredwiththeapplicationkey)for

applicationtypes/sub-types.

Thecirculationpump(s)inheatingcircuit(s)canbeplacedintheﬂow

aswellasthereturn.Placethepumpaccordingtothemanufacturer’s

speciﬁcation.

Parameterstoconsiderandsettingadvices:

Sequencetype

ID11072

Steps

ID11073

MCVtype

ID11590

Opentime

ID11094

Feedback,sec.

ID11591

Ex.a

**“2”**

Ex.b

**“2”**

Ex.c

**“3”**

Ex.d

**“4”**

Ex.e

**“4”**

Ex.f

“4”**

*considerindividually

VI.LV.J1.02

OperatingGuideECLComfort310,applicationA362

2.3Mounting

2.3.1MountingtheECLComfortcontroller

SeetheInstallationGuidewhichisdeliveredtogetherwiththe

ECLComfortcontroller.

Foreasyaccess,youshouldmounttheECLComfortcontrollernear

thesystem.

ECLComfort210/296/310canbemounted

•onawall

•onaDINrail(35mm)

ECLComfort296canbemounted

•inapanelcut-out

ECLComfort210canbemountedinanECLComfort310basepart

(forfutureupgrade).

Screws,PGcableglandsandrawlplugsarenotsupplied.

LockingtheECLComfort210/310controller

InordertofastentheECLComfortcontrollertoitsbasepart,secure

thecontrollerwiththelockingpin.

Topreventinjuriestopersonsorthecontroller,thecontrollerhasto

besecurelylockedintothebase.Forthispurpose,pressthelocking

pinintothebaseuntilaclickisheardandthecontrollernolonger

canberemovedfromthebase.

Ifthecontrollerisnotsecurelylockedintothebasepart,thereisarisk

thatthecontrollerduringoperationcanunlockfromthebaseandthe

basewithterminals(andalsothe230Va.c.connections)areexposed.

Topreventinjuriestopersons,alwaysmakesurethatthecontroller

issecurelylockedintoitsbase.Ifthisisnotthecase,thecontroller

shouldnotbeoperated!

VI.LV.J1.02

OperatingGuideECLComfort310,applicationA362

Theeasywaytolockthecontrollertoitsbaseorunlockitistousea

screwdriveraslever.

Mountingonawall

Mountthebasepartonawallwithasmoothsurface.Establishthe

electricalconnectionsandpositionthecontrollerinthebasepart.

Securethecontrollerwiththelockingpin.

MountingonaDINrail(35mm)

MountthebasepartonaDINrail.Establishtheelectrical

connectionsandpositionthecontrollerinthebasepart.Secure

thecontrollerwiththelockingpin.

DismountingtheECLComfortcontroller

Inordertoremovethecontrollerfromthebasepart,pulloutthe

lockingpinbymeansofascrewdriver.Thecontrollercannowbe

removedfromthebasepart.

Theeasywaytolockthecontrollertoitsbaseorunlockitistousea

screwdriveraslever.

VI.LV.J1.02

OperatingGuideECLComfort310,applicationA362

BeforeremovingtheECLComfortcontrollerfromthebasepart,ensure

thatthesupplyvoltageisdisconnected.

2.3.2MountingtheRemoteControlUnitsECA30/31

Selectoneofthefollowingmethods:

•Mountingonawall,ECA30/31

•Mountinginapanel,ECA30

Screwsandrawlplugsarenotsupplied.

Mountingonawall

MountthebasepartoftheECA30/31onawallwithasmooth

surface.Establishtheelectricalconnections.PlacetheECA30/

31inthebasepart.

Mountinginapanel

MounttheECA30inapanelusingtheECA30framekit(ordercode

no.087H3236).Establishtheelectricalconnections.Securethe

framewiththeclamp.PlacetheECA30inthebasepart.TheECA

30canbeconnectedtoanexternalroomtemperaturesensor.

TheECA31mustnotbemountedinapanelifthehumidity

functionistobeused.

VI.LV.J1.02

OperatingGuideECLComfort310,applicationA362

2.3.3MountingtheinternalI/OmoduleECA32

MountingoftheinternalI/OmoduleECA32

TheECA32module(ordercodeno.087H3202)mustbeinserted

intotheECLComfort310/310Bbasepartforadditionalinputand

outputsignalsinrelevantapplications.

TheconnectionbetweentheECLComfort310/310BandECA32

isa10-pole(2x5)connector.Theconnectionisautomatically

establishedwhentheECLComfort310/310Bisplacedonthe

basepart.

VI.LV.J1.02

OperatingGuideECLComfort310,applicationA362

2.4Placingthetemperaturesensors

2.4.1Placingthetemperaturesensors

Itisimportantthatthesensorsaremountedinthecorrectposition

inyoursystem.

Thetemperaturesensormentionedbelowaresensorsusedforthe

ECLComfort210/296/310serieswhichnotallwillbeneeded

foryourapplication!

Outdoortemperaturesensor(ESMT)

Theoutdoorsensorshouldbemountedonthatsideofthebuilding

whereitislesslikelytobeexposedtodirectsunshine.Itshouldnot

beplacedclosetodoors,windowsorairoutlets.

Flowtemperaturesensor(ESMU,ESM-11orESMC)

Placethesensormax.15cmfromthemixingpoint.Insystems

withheatexchanger,DanfossrecommendsthattheESMU-typeto

beinsertedintotheexchangerﬂowoutlet.

Makesurethatthesurfaceofthepipeiscleanandevenwhere

thesensorismounted.

Returntemperaturesensor(ESMU,ESM-11orESMC)

Thereturntemperaturesensorshouldalwaysbeplacedsothatit

measuresarepresentativereturntemperature.

Roomtemperaturesensor

(ESM-10,ECA30/31RemoteControlUnit)

Placetheroomsensorintheroomwherethetemperatureistobe

controlled.Donotplaceitonoutsidewallsorclosetoradiators,

windowsordoors.

Boilertemperaturesensor(ESMU,ESM-11orESMC)

Placethesensoraccordingtotheboilermanufacturer’s

speciﬁcation.

Airducttemperaturesensor(ESMB-12orESMUtypes)

Placethesensorsothatitmeasuresarepresentativetemperature.

DHWtemperaturesensor(ESMUorESMB-12)

PlacetheDHWtemperaturesensoraccordingtothemanufacturer’s

speciﬁcation.

Slabtemperaturesensor(ESMB-12)

Placethesensorinaprotectiontubeintheslab.

ESM-11:Donotmovethesensorafterithasbeenfastenedinorderto

avoiddamagetothesensorelement.

ESM-11,ESMCandESMB-12:Useheatconductingpasteforquick

measurementofthetemperature.

ESMUandESMB-12:Usingasensorpockettoprotectthesensorwill,

however,resultinaslowertemperaturemeasurement.

VI.LV.J1.02

OperatingGuideECLComfort310,applicationA362

Pt1000temperaturesensor(IEC751B,1000Ω/0°C)

Relationshipbetweentemperatureandohmicvalue:

VI.LV.J1.02

OperatingGuideECLComfort310,applicationA362

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Danfoss ECL Comfort 310, A362 Operating instructions

Brand: Danfoss

Model: ECL Comfort 310, A362

Category: Heat pumps

Type: Operating instructions

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Danfoss ECL Comfort 310, A362 Operating instructions

Danfoss ECL Comfort 310, A362 Operating instructions

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