Page is loading ...
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
©Danfoss|2017.12VI.LV.J1.02|1
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.
2|©Danfoss|2017.12
VI.LV.J1.02
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.
VI.LV.J1.02
©Danfoss|2017.12|3
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
1
2
174
-
Circuit2
Parameterno.
IfanIDdescriptionismentionedmorethanonce,itmeansthatthere
arespecialsettingsforoneormoresystemtypes.Itwillbemarked
withthesystemtypeinquestion(e.g.12174-A266.9).
4|©Danfoss|2017.12
VI.LV.J1.02
OperatingGuideECLComfort310,applicationA362
ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.
xstandsforcircuit/parametergroup.
DisposalNote
Thisproductshouldbedismantledanditscomponents
sorted,ifpossible,invariousgroupsbeforerecycling
ordisposal.
Alwaysfollowthelocaldisposalregulations.
VI.LV.J1.02
©Danfoss|2017.12|5
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
S1
Outdoorairtemperaturesensor
S2
Commonflowtemperaturesensor
S3
(mandatory)Flowtemperaturesensor,HEX-1
S4
(mandatory)Flowtemperaturesensor,HEX-2
S5
Returntemperaturesensor,HEX-1
S6
Returntemperaturesensor,HEX-2
S7
OverrideinputforstartHEX-1
S8
OverrideinputforstartHEX-2
S9
Flowswitchorend-switchforopenO1,HEX-1
S10
Flowswitchorend-switchforopenO2,HEX-2
S11
(notillustrated)Overrideforsettingdesiredflow
temperature
S15
Inputforalarm,eventorStop,Hex-1
S16
Inputforalarm,eventorStop,Hex-2
A1
Alarmoutput
P1
Circulationpump,HEX-1
P2
Circulationpump,HEX-2
V1
Motorizedcontrolvalve,0-10Vcontrolled;HEX-1
V2
Motorizedcontrolvalve,0-10Vcontrolled;HEX-2
V3
Desiredflowtemperaturesignal,0-10V,forslaves
6|©Danfoss|2017.12
VI.LV.J1.02
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).
VI.LV.J1.02
©Danfoss|2017.12|7
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
S1
Outdoorairtemperaturesensor
S2
Commonflowtemperaturesensor
S3
(mandatory)Flowtemperaturesensor,HEX-1
S4
(mandatory)Flowtemperaturesensor,HEX-2
S5
Returntemperaturesensor,HEX-1
S6
Returntemperaturesensor,HEX-2
S7
OverrideinputforstartHEX-1
S8
OverrideinputforstartHEX-2
S9
Flowswitchorend-switchforopenO1,HEX-1
S10
Flowswitchorend-switchforopenO2,HEX-2
S11
(notillustrated)Overrideforsettingdesiredflow
temperature
S15
Inputforalarm,eventorStop,Hex-1
S16
Inputforalarm,eventorStop,Hex-2
A1
Alarmoutput
P5
Circulationpump,common
V1
Motorizedcontrolvalve,0-10Vcontrolled;HEX-1
V2
Motorizedcontrolvalve,0-10Vcontrolled;HEX-2
V3
Desiredflowtemperaturesignal,0-10V,forslaves
8|©Danfoss|2017.12
VI.LV.J1.02
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
S1
Outdoorairtemperaturesensor
S2
Commonflowtemperaturesensor
S3
(mandatory)Flowtemperaturesensor,HEX-1
S4
(mandatory)Flowtemperaturesensor,HEX-2
S5
Returntemperaturesensor,HEX-1
S6
Returntemperaturesensor,HEX-2
S7
OverrideinputforstartHEX-1
S8
OverrideinputforstartHEX-2
S9
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
A1
Alarmoutput
M1
Motorizedcontrolvalve,3-pointcontrolled;HEX-1
M2
Motorizedcontrolvalve,3-pointcontrolled;HEX-2
P1
Circulationpump,HEX-1
P2
Circulationpump,HEX-2
V3
Desiredflowtemperaturesignal,0-10V,forslaves
VI.LV.J1.02
©Danfoss|2017.12|9
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
S1
Outdoorairtemperaturesensor
S2
Commonflowtemperaturesensor
S3
(mandatory)Flowtemperaturesensor,HEX-1
S4
(mandatory)Flowtemperaturesensor,HEX-2
S5
Returntemperaturesensor,HEX-1
S6
Returntemperaturesensor,HEX-2
S7
OverrideinputforstartHEX-1
S8
OverrideinputforstartHEX-2
S9
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
A1
Alarmoutput
M1
Bigmotorizedcontrolvalve,3-pointcontrolled;
HEX-1
M2
Bigmotorizedcontrolvalve,3-pointcontrolled;
HEX-2
P1
Circulationpump,HEX-1
P2
Circulationpump,HEX-2
V1
Smallmotorizedcontrolvalve,3-pointcontrolled;
HEX-1
V2
Smallmotorizedcontrolvalve,3-pointcontrolled;
HEX-2
V3
Desiredflowtemperaturesignal,0-10V,forslaves
10|©Danfoss|2017.12
VI.LV.J1.02
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
S1
Outdoorairtemperaturesensor
S2
Commonflowtemperaturesensor
S3
(mandatory)Flowtemperaturesensor,HEX-1
S4
(mandatory)Flowtemperaturesensor,HEX-2
S5
Returntemperaturesensor,HEX-1
S6
Returntemperaturesensor,HEX-2
S7
OverrideinputforstartHEX-1
S8
OverrideinputforstartHEX-2
S9
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
A1
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
P1
Circulationpump,HEX-1
P2
Circulationpump,HEX-2
V3
Desiredflowtemperaturesignal,0-10V,forslaves
VI.LV.J1.02
©Danfoss|2017.12|11
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
S1
Outdoorairtemperaturesensor
S3
(mandatory)Flowtemperaturesensor
S5
Returntemperaturesensor
S7
Overrideinputforstart
S9
Flowswitchorend-switchforopenO1
S11
(notillustrated)Overrideforsettingdesiredflow
temperature
S12
(mandatory)M1valvepositionsignal(0-10V)
S15
Inputforalarm,eventorstop
A1
Alarmoutput
M1
Motorizedcontrolvalve,3-point-controlled
V1
Motorizedcontrolvalve,0-10—controlled
P1
Circulationpump
V3
Desiredflowtemperaturesignal,0-10V,forslaves
12|©Danfoss|2017.12
VI.LV.J1.02
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
©Danfoss|2017.12|13
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
11
“4”**
*considerindividually
14|©Danfoss|2017.12
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
©Danfoss|2017.12|15
OperatingGuideECLComfort310,applicationA362
Theeasywaytolockthecontrollertoitsbaseorunlockitistousea
screwdriveraslever.
Mountingonawall
Mountthebasepartonawallwithasmoothsurface.Establishthe
electricalconnectionsandpositionthecontrollerinthebasepart.
Securethecontrollerwiththelockingpin.
MountingonaDINrail(35mm)
MountthebasepartonaDINrail.Establishtheelectrical
connectionsandpositionthecontrollerinthebasepart.Secure
thecontrollerwiththelockingpin.
DismountingtheECLComfortcontroller
Inordertoremovethecontrollerfromthebasepart,pulloutthe
lockingpinbymeansofascrewdriver.Thecontrollercannowbe
removedfromthebasepart.
Theeasywaytolockthecontrollertoitsbaseorunlockitistousea
screwdriveraslever.
16|©Danfoss|2017.12
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
©Danfoss|2017.12|17
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.
18|©Danfoss|2017.12
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
©Danfoss|2017.12|19
OperatingGuideECLComfort310,applicationA362
Pt1000temperaturesensor(IEC751B,1000Ω/0°C)
Relationshipbetweentemperatureandohmicvalue:
20|©Danfoss|2017.12
VI.LV.J1.02
OperatingGuideECLComfort310,applicationA362
/
