Danfoss P318 Operating guide
OperatingGuide
ECLComfort310,applicationP318
1.0TableofContents
1.0TableofContents...............................................1
1.1Importantsafetyandproductinformation.....................2
2.0Installation........................................................6
2.1Beforeyoustart.....................................................6
2.2Identifyingthesystemtype......................................29
2.3Mounting...........................................................30
2.4Placingthetemperaturesensors................................34
2.5Electricalconnections.............................................36
2.6InsertingtheECLApplicationKey..............................44
2.7Checklist............................................................50
2.8Navigation,ECLApplicationKeyA318.........................51
3.0Dailyuse.........................................................67
3.1Howtonavigate...................................................67
3.2Understandingthecontrollerdisplay..........................68
3.3Ageneraloverview:Whatdothesymbolsmean?...........69
3.4Monitoringtemperaturesandsystem
components........................................................70
3.5Influenceoverview................................................71
3.6Manualcontrol.....................................................72
3.7Schedule............................................................73
7.0Commoncontrollersettings............................114
7.1Introductionto‘Commoncontrollersettings’..............114
7.2Time&Date.......................................................115
7.3Inputoverview...................................................116
7.4Log.................................................................117
7.5Outputoverride..................................................118
7.6Keyfunctions.....................................................119
7.7System.............................................................121
8.0Miscellaneous................................................128
8.1ECA30/31setupprocedures.................................128
8.2Overridefunction................................................136
8.3Severalcontrollersinthesamesystem......................139
8.4Frequentlyaskedquestions....................................142
8.5Definitions........................................................144
8.6Type(ID6001),overview.......................................148
8.7Automatic/manualupdateoffirmware.....................149
8.8ParameterIDoverview..........................................150
4.0Settingsoverview............................................74
5.0Settings...........................................................76
5.1IntroductiontoSettings..........................................76
5.2Tanktemperature..................................................77
5.3X3control...........................................................81
5.4Flowtemperature..................................................82
5.5Returnlimit.........................................................84
5.6Controlparameters................................................88
5.7Flowmeter..........................................................97
5.8Application.........................................................99
5.9Anti-bacteria......................................................101
6.0Event.............................................................103
6.1IntroductiontoEvent...........................................103
6.2ChargeT...........................................................104
6.3DHWflowT.......................................................106
6.4Tanktemperature................................................108
6.5SupplyT...........................................................110
6.6Anti-bacteria......................................................111
6.7Tsensordefect...................................................112
6.8Eventoverview...................................................113
©Danfoss|2018.09VI.JM.Q5.02|1
OperatingGuideECLComfort310,applicationP318
1.1Importantsafetyandproductinformation
1.1.1Importantsafetyandproductinformation
ThisOperatingGuideisassociatedwiththeECLApplicationKey
P318(codeno.087H3835).
TheECLApplicationKeyP318forDomesticHotWater(DHW)
temperaturecontrolcontains4subtypes:
•P318.1,bufferbasedtemperaturecontrol
•P318.2,bufferandmixingbasedtemperaturecontrol
•P318.10,advancedtemperaturecontrol
•P318.11,temperaturecontrolledflowsystemwithlayercontrol
andbuffercharging
SeetheInstallationGuideforapplicationdiagramsandelectrical
connections.
Theapplicationdiagramsshowmandatorytemperaturesensors
withanunderscore;exampleS3.
ThedescribedfunctionsarerealizedinECLComfort310whichalso
allowsM-bus,ModbusandEthernet(Internet)communication.
TheApplicationKeyP318complieswithECLComfort310
controllersasoffirmwareversion1.11.Thefirmware(controller
software)isvisibleatstart-upofthecontrollerandin'Common
controllersettings'in'System'.
UptotwoRemoteControlUnits,ECA30orECA31,canbe
connected.
TheapplicationP318workswithadditionalInternalI/Omodules:
•TheextensionmoduleECA32gives0-10Voltsignalforspeed
controlofcontrolpump,chargingpumpandcirculationpump.
•TheextensionmoduleECA35gives0-10Voltsignalforspeed
controlofcontrolpump,chargingpumpandcirculationpump.
ECA35canalsogivePWM*signalforspeedcontrolofthe
abovelistedpumptypes.
Apumpcanalsobeconsideredasacirculator.
TheECLComfort310workswitheitheroneECA32oroneECA
35.TheInternalI/Omoduleinquestionisplacedinthebasepart
oftheECLComfort310.
*PWM=PulseWidthModulation
TogetherwiththeECLComfort310theadditionalInternalI/O
modulescanalsobeusedforextradatacommunicationtoSCADA:
•Temperature,Pt1000(default)
•0-10voltsignals
•Digitalinput
Theset-upofinputtypecanbedonebymeansoftheDanfoss
Software"ECLTool".
Navigation:Danfoss.com>Products&Solutions>Products>
DistrictHeatingandCooling>Documentation>Tools&Software
>ECLTool.
TheURLis:https://www.danfoss.com/en/service-and-
support/downloads
ECLComfort310isavailableas:
•ECLComfort310,230volta.c.(codeno.087H3040)
•ECLComfort310B,230volta.c.(codeno.087H3050)
•ECLComfort310,24volta.c.(codeno.087H3044)
TheB-typehasnodisplayanddial.
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OperatingGuideECLComfort310,applicationP318
TheB-typeisoperatedbymeansoftheremotecontrolunit
ECA30/31:
•ECA30(codeno.087H3200)
•ECA31(codeno.087H3201)
InternalI/Omodules:
•ECA32(codeno.087H3202)
•ECA35(codeno.087H3205)
BasepartforECLComfort310,230voltand24volt:Codeno.
087H3230.
AdditionaldocumentationforECLComfort210and310,modules
andaccessoriesisavailableonhttp://heating.danfoss.com/.
Applicationkeysmightbereleasedbeforealldisplaytextsare
translated.InthiscasethetextisinEnglish.
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.
VI.JM.Q5.02
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OperatingGuideECLComfort310,applicationP318
Automaticupdateofcontrollersoftware(firmware):
Thesoftwareofthecontrollerisupdatedautomaticallywhenthekey
isinserted(asofcontrollerversion1.11(ECL210/310)andversion
1.58(ECL296)).Thefollowinganimationwillbeshownwhenthe
softwareisbeingupdated:
Progressbar
Duringupdate:
•DonotremovetheKEY
Ifthekeyisremovedbeforethehour-glassisshown,youhave
tostartafresh.
•Donotdisconnectthepower
Ifthepowerisinterruptedwhenthehour-glassisshown,the
controllerwillnotwork.
•Manualupdateofcontrollersoftware(firmware):
Seethesection"Automatic/manualupdateoffirmware"
AsthisOperatingGuidecoversseveralsystemtypes,specialsystem
settingswillbemarkedwithasystemtype.Allsystemtypesareshown
inthechapter:'Identifyingyoursystemtype'.
°C(degreesCelsius)isameasuredtemperaturevaluewhereasK
(Kelvin)oftenisusedfortemperaturedifferences.
TheIDno.isuniquefortheselectedparameter.
ExampleFirstdigitSeconddigitLastthreedigits
1117411174
-
12174
IfanIDdescriptionismentionedmorethanonce,itmeansthatthere
arespecialsettingsforoneormoresystemtypes.Itwillbemarked
withthesystemtypeinquestion(e.g.12174-A266.9).
1
-
Circuit1Parameterno.
2
Circuit2Parameterno.
174
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OperatingGuideECLComfort310,applicationP318
ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.
xstandsforcircuit/parametergroup.
DisposalNote
Thisproductshouldbedismantledanditscomponents
sorted,ifpossible,invariousgroupsbeforerecycling
ordisposal.
Alwaysfollowthelocaldisposalregulations.
VI.JM.Q5.02
©Danfoss|2018.09|5
OperatingGuideECLComfort310,applicationP318
2.0Installation
2.1Beforeyoustart
TheECLapplicationkeyP318contains4subtypes,P318.1,P318.2,
P318.10andP318.11.
ThebasicprinciplesforapplicationP318.1:
TemperaturecontrolofDHWbuffer
ThedesiredDHWtemperatureatS6(setincircuit1,favorite
display1)determinesthebufferchargingprocedure.Thebuffer
temperaturesensorsS6andS8,thesupplytemperaturesensorS2
andthechargingtemperaturesensorS3arethemostimportant
sensorsandmustbeconnected.Ifoneofthementioned
temperaturesensorsisnotconnected,thecontrolvalveM1will
close;alternatively,thecontrolpumpP1/V1willstop.
ThechargingtemperatureatS3isbasedonthedesiredDHW
temperatureatS6andasetchargingdifference.
TheapplicationallowsinternalorexternalDHWcirculation.When
connectedforexternalcirculation,thedesiredS3temperatureis
thesameasthedesiredDHWtemperature,whenchargingisnot
inprogress.
Optional:TemperaturecontrolofthecirculationpipeatS9ensures
thedesiredtemperaturebymeansofON/OFFcontrolofpump
P3orspeedcontrolofpumpV3.Duringthechargingprocessthe
circulationpumpcanbeswitchedOFForrunataminimumspeed.
Startbufferchargingprocess:
1.BuffertemperatureS6temperaturegetslowerthan('Desired
DHWtemperature'+'Startdifference').
Anexample:60°C+(-5)=55°C
2.X1isswitchedON
3.M1openseitherfullyortoapresetposition(alternatively,P1/
V1isswitchedON/presetspeed)inordertoincreasethesupply
temperatureS2.Returntemperaturelimitationisrespected.
4.P2/V2isswitchedONwhensupplytemperatureS2getshigher
than('DesiredDHWtemperature'+'Pumpstartdiff.').
Anexample:60°C+3K=63°C
V2startswithminimumspeed,forexample20%.
5.M1(orP1/V1)controlsthechargingtemperatureatS3.
6.V2increasesthespeedaslongasthechargingtemperatureS3
ishigherthan(desiredchargingtemperature-2K).
Stopbufferchargingprocess:
1.BuffertemperatureS6temperaturegetshigherthan(2K+
'DesiredDHWtemperature'+'Startdifference)
AND
LowerbuffertemperatureS8getshigherthan('DesiredDHW
temperature'+'Stopdifference).
Anexample:S6temperaturehigherthan(2+60°C+(-5)=
57°C)AND(60°C+(-8)=52°C)
2.P2isswitchedOFF ,respecting'Char.Ppost-run'.V2changes
to0%.
NOTE:Post-runisnotrespectedifchargingtemperatureS3islower
thandesiredchargingtemperature.
3.X1isswitchedOFF.
4.M1closes(alternatively,P1/V1stops)ormaintainsthedesired
temperatureatS3.
P318.1,ex.a,applicationwithcontrolvalveandinternalDHWcirculation:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ECA35
S2
S3
S5Returntemperaturesensor
S6
S8
S9
S12
P2
V2
P3
V3
M1
X1
X2
A1
ECLComfort310controller
Built-inextensionmodule,0-10Voutputs
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
(mandatory)Supplytemperaturesensor
(mandatory)Chargingtemperaturesensor
(mandatory)Buffertemperaturesensor
(mandatory)Lowerbuffertemperaturesensor
DHWcirculationreturntemperaturesensor
0-10VinputfordesiredtemperatureatS6
Chargingpump(ON-OFFcontrolled)
Speedcontrolofchargingpump(0-10VorPWM)
Circulationpump(ON-OFFcontrolled)
Speedcontrolofcirculationpump(0-10Vor
PWM)
Motorizedcontrolvalve(3-pointcontrolled)
Heatdemandsignal
Anti-bacteriafunctionisactive
Alarm
6|©Danfoss|2018.09
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
Bymeansofaweekschedule,theDHWcirculationcanbeON/
OFFcontrolled.
ThemotorizedcontrolvalveM1isopenedgraduallywhen
thechargingtemperatureislowerthanthedesiredcharging
temperatureandviceversa.
Alternatively,thecontrolpumpP1/V1isincreasedinspeedwhen
thechargingtemperatureislowerthanthedesiredcharging
temperatureandviceversa.
ThereturntemperatureS5canbelimited,forexamplenottobe
toohigh.Ifso,thedesiredchargingtemperatureatS3canbe
adjusted(typicallytoalowervalue);thisresultsinagradualclosing
ofthemotorizedcontrolvalveor,alternatively,alowerspeedof
thecontrolpump.
DHWcirculationtemperaturecontrol:
IfDHWcirculationreturntemperaturesensorS9isnotconnected,
theON-OFFcontrolledpumpwillbeON.Aspeedcontrolledpump
canbelimitedtoadesiredspeedbymeansofV.outmax.and
V.outminsettings.
TheON-OFFoutputX1isONatDHWheatingdemand.
Asanoption,thedesiredDHWtemperatureatS6canbeset
externally.Avoltagesignal(1-10Volt)canbeappliedtoinputS12
(ECA32/35).Thescaleforvoltageversustemperaturecanbeset.
Ananti-bacteriafunctionfortheDHWbufferisavailablefor
activationonselecteddaysoftheweek.
Theanti-bacteriafunctioncanbesettoincludetheDHW
circulation.
TheON-OFFoutputX2isONatactiveanti-bacteriafunction.
VI.JM.Q5.02
©Danfoss|2018.09|7
OperatingGuideECLComfort310,applicationP318
P318.1,ex.b,applicationwithcontrolvalveandexternalDHWcirculation:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ECA35
ECLComfort310controller
Built-inextensionmodule,0-10Voutputs
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
S3
(mandatory)Supplytemperaturesensor
(mandatory)Chargingtemperaturesensor
S5Returntemperaturesensor
S6
S8
S9
S12
P2
V2
P3
V3
(mandatory)Buffertemperaturesensor
(mandatory)Lowerbuffertemperaturesensor
DHWcirculationreturntemperaturesensor
0-10VinputfordesiredtemperatureatS6
Chargingpump(ON-OFFcontrolled)
Speedcontrolofchargingpump(0-10VorPWM)
Circulationpump(ON-OFFcontrolled)
Speedcontrolofcirculationpump(0-10Vor
PWM)
M1
X1
X2
A1
Motorizedcontrolvalve(3-pointcontrolled)
Heatdemandsignal
Anti-bacteriafunctionisactive
Alarm
8|©Danfoss|2018.09
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
P318.1,ex.c,applicationwithcontrolpumpandinternalDHWcirculation:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ECA35
ECLComfort310controller
Built-inextensionmodule,0-10Voutputs
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
S3
(mandatory)Supplytemperaturesensor
(mandatory)Chargingtemperaturesensor
S5Returntemperaturesensor
S6
S8
S9
S12
P1
V1
P2
V2
P3
V3
(mandatory)Buffertemperaturesensor
(mandatory)Lowerbuffertemperaturesensor
DHWcirculationreturntemperaturesensor
0-10VinputfordesiredtemperatureatS6
Controlpump(ON-OFFcontrolled)
Speedcontrolofcontrolpump(0–10VorPWM)
Chargingpump(ON-OFFcontrolled)
Speedcontrolofchargingpump(0-10VorPWM)
Circulationpump(ON-OFFcontrolled)
Speedcontrolofcirculationpump(0-10Vor
PWM)
X1
X2
A1
Heatdemandsignal
Anti-bacteriafunctionisactive
Alarm
VI.JM.Q5.02
©Danfoss|2018.09|9
OperatingGuideECLComfort310,applicationP318
P318.1,ex.d,applicationwithcontrolpumpandexternalDHWcirculation:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ECA35
ECLComfort310controller
Built-inextensionmodule,0-10Voutputs
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
S3
(mandatory)Supplytemperaturesensor
(mandatory)Chargingtemperaturesensor
S5Returntemperaturesensor
S6
S8
S9
S12
P1
V1
P2
V2
P3
V3
(mandatory)Buffertemperaturesensor
(mandatory)Lowerbuffertemperaturesensor
DHWcirculationreturntemperaturesensor
0-10VinputfordesiredtemperatureatS6
Controlpump(ON-OFFcontrolled)
Speedcontrolofcontrolpump(0–10VorPWM)
Chargingpump(ON-OFFcontrolled)
Speedcontrolofchargingpump(0-10VorPWM)
Circulationpump(ON-OFFcontrolled)
Speedcontrolofcirculationpump(0-10Vor
PWM)
X1
X2
A1
Heatdemandsignal
Anti-bacteriafunctionisactive
Alarm
10|©Danfoss|2018.09
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
P318.1,ex.e:Primarysideisacombinationofa3-portcontrolvalveanda
controlpump.InternalDHWcirculation:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ECA35
ECLComfort310controller
Built-inextensionmodule,0-10Voutputs
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
S3
(mandatory)Supplytemperaturesensor
(mandatory)Chargingtemperaturesensor
S5Returntemperaturesensor
S6
S8
S9
S12
M1
P1
V1
P2
V2
P3
V3
(mandatory)Buffertemperaturesensor
(mandatory)Lowerbuffertemperaturesensor
DHWcirculationreturntemperaturesensor
0-10VinputfordesiredtemperatureatS6
Motorized3-portcontrolvalve(3-pointcontrolled)
Controlpump(ON-OFFcontrolled)
Speedcontrolofcontrolpump(0–10VorPWM)
Chargingpump(ON-OFFcontrolled)
Speedcontrolofchargingpump(0-10VorPWM)
Circulationpump(ON-OFFcontrolled)
Speedcontrolofcirculationpump(0-10Vor
PWM)
X1
X2
A1
Heatdemandsignal
Anti-bacteriafunctionisactive
Alarm
VI.JM.Q5.02
©Danfoss|2018.09|11
OperatingGuideECLComfort310,applicationP318
P318.1,ex.f:Primarysideisacombinationofa3-portcontrolvalveanda
controlpump.ExternalDHWcirculation:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ECA35
ECLComfort310controller
Built-inextensionmodule,0-10Voutputs
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
S3
(mandatory)Supplytemperaturesensor
(mandatory)Chargingtemperaturesensor
S5Returntemperaturesensor
S6
S8
S9
S12
M1
P1
V1
P2
V2
P3
V3
(mandatory)Buffertemperaturesensor
(mandatory)Lowerbuffertemperaturesensor
DHWcirculationreturntemperaturesensor
0-10VinputfordesiredtemperatureatS6
Motorized3-portcontrolvalve(3-pointcontrolled)
Controlpump(ON-OFFcontrolled)
Speedcontrolofcontrolpump(0–10VorPWM)
Chargingpump(ON-OFFcontrolled)
Speedcontrolofchargingpump(0-10VorPWM)
Circulationpump(ON-OFFcontrolled)
Speedcontrolofcirculationpump(0-10Vor
PWM)
X1
X2
A1
Heatdemandsignal
Anti-bacteriafunctionisactive
Alarm
12|©Danfoss|2018.09
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OperatingGuideECLComfort310,applicationP318
Recommendations/consideringsettings:
Int./Ext.DHWcirc.
"Cont.Tcontrol"(11054)*
P318.1,ex.a
P318.1,ex.b
P318.1,ex.c
P318.1,ex.d
P318.1,ex.e
P318.1,ex.f
*)
Circuit1>MENU>Settings>Application>
**)
Circuit1>MENU>Settings>Controlparameters1>
***)
Circuit1>MENU>Settings>Controlparameters1>
OFF
ON
OFF
ON
OFF
ON
Speed,P1/V1
"Voutmax. "/"Voutmin. "
(11165/11167)**
Max./min.tosamevalue
"Adapttime"(11065)*:OFF
Max./min.tosamevalue
"Adapttime"(11065)*:OFF
Actuatorrunningtime
"Mrun"(11186)***
X
X
X
X
VI.JM.Q5.02
©Danfoss|2018.09|13
OperatingGuideECLComfort310,applicationP318
ThebasicprinciplesforapplicationP318.2:
DHWtemperatureandbuffercontrol
IfthemeasuredDHWtemperatureS4islowerthanthedesired
DHWtemperature(setincircuit1,favoritedisplay1),themotorized
controlvalveM2opensgraduallyformorewaterfromthebuffer
tank.
Coldtapwateris,viatheheat-exchanger,usedtocontroltheDHW
temperatureS4ifthetemperaturegetshigherandwillgradually
closethecontrolvalveM2.
TheDHWtemperaturesensorS4,thechargingtemperaturesensor
S3,thesupplytemperaturesensorS2andthebuffertemperature
sensorsS6andS8arethemostimportantsensorsandmustbe
connected.Ifoneofthementionedtemperaturesensorsisnot
connected,thecontrolvalveM1willclose;alternatively,thecontrol
pumpP1/V1willstop.
ThebufferchargingtemperatureatS3isbasedonthesetdesired
buffertemperatureatS6(setincircuit2,favoritedisplay1).
Optional:TemperaturecontrolofthecirculationpipeatS9ensures
thedesiredtemperaturebymeansofON/OFFcontrolofpump
P3orspeedcontrolofpumpV3.
Startbufferchargingprocess:
1.BuffertemperatureS6temperaturegetslowerthan('Desired
chargingtemperature'+'Startdifference').
Anexample:70°C+(-5)=65°C
2.X1isswitchedON
3.M1opens(alternatively,P1/V1isswitchedON/presetspeed)
inordertoincreasethesupplytemperature
S2.Returntemperaturelimitationisrespected.
4.P2/V2isswitchedONwhensupplytemperatureS2getshigher
than('Desiredchargingtemperature'+'Pumpstartdiff. ').
Anexample:70°C+3K=73°C
V2startswithminimumspeed,forexample20%.
5.M1(orP1/V1)controlsthechargingtemperatureatS3.
6.V2increasesthespeedaslongasthechargingtemperatureS3
ishigherthan(desiredchargingtemperature-2K).
Stopbufferchargingprocess:
1.BuffertemperatureS6temperaturegetshigherthan(2K+
'Desiredchargingtemperature'+'Startdifference)
AND
LowerbuffertemperatureS8getshigherthan('DesiredDHW
temperature'+'Stopdifference).
Anexample:S6temperaturehigherthan(2+70°C+(-5)=
67°C)
ANDS8temperaturehigherthan(70°C+(-8)=62°C).
2.P2isswitchedOFF ,respecting'DHWPpost-run' .V2changes
to0%.
NOTE:Post-runisnotrespectedifchargingtemperatureS3islower
thandesiredchargingtemperature.
3.X1isswitchedOFF.
4.M1closes(alternatively,P1/V1stops).
P318.2,ex.a,applicationwithcontrolvalveforbuffertemperaturecontrol:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ECA35
ECLComfort310controller
Built-inextensionmodule,0-10Voutputs
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
S3
S4
(mandatory)Supplytemperaturesensor
(mandatory)Chargingtemperaturesensor
(mandatory)DHWtemperaturesensor
S5Returntemperaturesensor
S6
S8
S9
S12
P2
V2
P3
V3
(mandatory)Buffertemperaturesensor
(mandatory)Lowerbuffertemperaturesensor
DHWcirculationreturntemperaturesensor
0-10VinputfordesiredtemperatureatS6
Chargingpump(ON-OFFcontrolled)
Speedcontrolofchargingpump(0-10VorPWM)
Circulationpump(ON-OFFcontrolled)
Speedcontrolofcirculationpump(0-10Vor
PWM)
M1
M2
X1
X2
A1
Motorizedcontrolvalve(3-pointcontrolled)
Motorizedcontrolvalve(3-pointcontrolled)
Bufferheatingdemandsignal
Anti-bacteriafunctionisactive
Alarm
14|©Danfoss|2018.09
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
Bymeansofaweekschedule,theDHWcirculationcanbeON/
OFFcontrolled.
ThemotorizedcontrolvalveM1isopenedgraduallywhen
thechargingtemperatureislowerthanthedesiredcharging
temperatureandviceversa.
Alternatively,thecontrolpumpP1/V1isincreasedinspeedwhen
thechargingtemperatureislowerthanthedesiredcharging
temperatureandviceversa.
ThereturntemperatureS5canbelimited,forexamplenottobe
toohigh.Ifso,thedesiredchargingtemperatureatS3canbe
adjusted(typicallytoalowervalue);thisresultsinagradualclosing
ofthemotorizedcontrolvalveor,alternatively,alowerspeedof
thecontrolpump.
Asanoption,thedesiredbuffertemperatureatS6canbeset
externally.Avoltagesignal(1-10Volt)canbeappliedtoinputS12
(ECA32/35).Thescaleforvoltageversustemperaturecanbeset.
TheON-OFFoutputX1isONatbufferheatingdemand.
Ananti-bacteriafunctionfortheDHWbufferisavailablefor
activationonselecteddaysoftheweek.
Theanti-bacteriafunctioncanbesettoincludetheDHW
circulation.
TheON-OFFoutputX2isONwhenanti-bacteriafunctionisactive.
VI.JM.Q5.02
©Danfoss|2018.09|15
OperatingGuideECLComfort310,applicationP318
P318.2,ex.b,applicationwithcontrolpumpforbuffertemperaturecontrol:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ECA35
ECLComfort310controller
Built-inextensionmodule,0-10Voutputs
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
S3
S4
(mandatory)Supplytemperaturesensor
(mandatory)Chargingtemperaturesensor
(mandatory)DHWtemperaturesensor
S5Returntemperaturesensor
S6
S8
S9
S12
P2
V2
P3
V3
(mandatory)Buffertemperaturesensor
(mandatory)Lowerbuffertemperaturesensor
DHWcirculationreturntemperaturesensor
0-10VinputfordesiredtemperatureatS6
Chargingpump(ON-OFFcontrolled)
Speedcontrolofchargingpump(0-10VorPWM)
Circulationpump(ON-OFFcontrolled)
Speedcontrolofcirculationpump(0-10Vor
PWM)
P1
V1
M2
X1
X2
A1
Controlpump(ON-OFFcontrolled)
Speedcontrolofcontrolpump(0–10VorPWM)
Motorizedcontrolvalve(3-pointcontrolled)
Bufferheatingdemandsignal
Anti-bacteriafunctionisactive
Alarm
16|©Danfoss|2018.09
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
P318.2,ex.c,applicationwithacombinationofa3-portcontrolvalveand
acontrolpumpforbuffertemperaturecontrol:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ECA35
ECLComfort310controller
Built-inextensionmodule,0-10Voutputs
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
S3
S4
(mandatory)Supplytemperaturesensor
(mandatory)Chargingtemperaturesensor
(mandatory)DHWtemperaturesensor
S5Returntemperaturesensor
S6
S8
S9
S12
P2
V2
P3
V3
(mandatory)Buffertemperaturesensor
(mandatory)Lowerbuffertemperaturesensor
DHWcirculationreturntemperaturesensor
0-10VinputfordesiredtemperatureatS6
Chargingpump(ON-OFFcontrolled)
Speedcontrolofchargingpump(0-10VorPWM)
Circulationpump(ON-OFFcontrolled)
Speedcontrolofcirculationpump(0-10Vor
PWM)
M1
P1
V1
M2
X1
X2
A1
Motorizedcontrolvalve(3-pointcontrolled)
Controlpump(ON-OFFcontrolled)
Speedcontrolofcontrolpump(0–10VorPWM)
Motorizedcontrolvalve(3-pointcontrolled)
Bufferheatingdemandsignal
Anti-bacteriafunctionisactive
Alarm
VI.JM.Q5.02
©Danfoss|2018.09|17
OperatingGuideECLComfort310,applicationP318
Recommendations/consideringsettings:
Speed,P1/V1
"Voutmax. "/"Voutmin. "
(11165/11167)*
P318.2,ex.a
P318.2,ex.b
P318.2,ex.c
*)
Circuit2>MENU>Settings>Controlparameters1>
**)
Circuit1>MENU>Settings>Controlparameters2>
***)
Circuit2>MENU>Settings>Controlparameters1>
Max./min.tosamevalue
"Adapttime"(11065)*:OFF
Actuatorrunningtime
M2"Mrun"
(14186)**
Actuatorrunningtime
M1"Mrun"
(11186)***
XX
X
XX
18|©Danfoss|2018.09
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
ThebasicprinciplesforapplicationP318.10:
TemperaturecontrolofDHW
ThedesiredDHWtemperatureatS3(setincircuit1,favoritedisplay
1)determinesthetemperaturecontrol.
TheDHWflowtemperaturesensorS3isthemostimportantsensor
andmustbeconnected.IfS3isnotconnected,thecontrolvalve
M1willclose;alternatively,thecontrolpumpP1/V1willstop.
TemperaturecontroloftheDHWcirculationpipeatS9ensuresthe
desiredtemperaturebymeansofspeedcontrolofpumpP3/V3.
AweekscheduleforswitchingtheDHWcirculationpumpONand
OFFcanbeset.
IfDHWcirculationreturntemperaturesensorS9isnotconnected,
theON-OFFcontrolledpumpwillbeONregardlesstheschedule
status.
Aspeed-controlledpumpcanbelimitedtoadesiredspeedby
meansofV.outmax.andV.outminsettings.
ThemotorizedcontrolvalveM1isopenedgraduallywhenthe
DHWflowtemperatureislowerthanthedesiredDHWtemperature
andviceversa.
Alternatively,thecontrolpumpP1/V1isincreasedinspeedwhen
theDHWflowtemperatureislowerthanthedesiredDHWflow
temperatureandviceversa.
ThereturntemperatureS5canbelimited,forexamplenottobe
toohigh.Ifso,thedesiredDHWtemperatureatS3canbeadjusted
(typicallytoalowervalue);thisresultsinagradualclosingofthe
motorizedcontrolvalveor,alternatively,alowerspeedofthe
controlpump.
ThesupplytemperatureS2isusedtocompensatetheproportional
bandXpinordertoimprovethetemperaturecontrolatdifferent
supplytemperatures.
ThewaterflowsignalfromF1canbeusedtooverridethecontrol
valveinordertooptimizetheDHWtemperaturecontrol.This
pro-activefunctionalitycompensatesforthedelaybeforetheflow
temperaturesensorS3measuresachangeintemperature.
ThewaterflowsignalcanalsobeutilizedforcontroloftheS3
temperature,evenifthereisnoDHWcirculation.
Asanoption,thedesiredDHWtemperaturecanbesetexternally.
Avoltagesignal(1-10Volt)canbeappliedtoinputS12(ECA32/
35).Thescaleforvoltageversustemperaturecanbeset.
Ananti-bacteriafunctionfortheDHWcircuitisavailablefor
activationonselecteddaysoftheweek.Theanti-bacteriafunction
canbesettoincludetheDHWcirculation.
P318.10,ex.a,DHWapplicationwithcontrolvalve:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ECA35
ECLComfort310controller
Built-inextensionmodule,0-10Voutputs
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
S3
Supplytemperaturesensor
(mandatory)DHWflowtemperaturesensor
S5Returntemperaturesensor
S9
S12
F1
P3
V3
DHWcirculationreturntemperaturesensor
0-10VinputfordesiredtemperatureatS3
ColdWatermeter(pulsesignal)
DHWcirculationpump(ON-OFFcontrolled)
Speedcontrolofcirculationpump(0-10Vor
PWM)
M1
X2
A1
Motorizedcontrolvalve(3-pointcontrolled)
Anti-bacteriafunctionisactive
Alarm
TheON-OFFoutputX2isONwhenanti-bacteriafunctionisactive.
VI.JM.Q5.02
©Danfoss|2018.09|19
OperatingGuideECLComfort310,applicationP318
P318.10,ex.b,DHWapplicationwithcontrolpump:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ECA35
ECLComfort310controller
Built-inextensionmodule,0-10Voutputs
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
S3
Supplytemperaturesensor
(mandatory)DHWflowtemperaturesensor
S5Returntemperaturesensor
S9
S12
F1
P1
V1
P3
V3
DHWcirculationreturntemperaturesensor
0-10VinputfordesiredtemperatureatS3
ColdWatermeter(pulsesignal)
Controlpump(ON-OFFcontrolled)
Speedcontrolofcontrolpump(0-10VorPWM)
DHWcirculationpump(ON-OFFcontrolled)
Speedcontrolofcirculationpump(0-10Vor
PWM)
X2
A1
Anti-bacteriafunctionisactive
Alarm
20|©Danfoss|2018.09
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
P318.10,ex.c,DHWapplicationwithcontrolvalveandcontrolpump:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ECA35
ECLComfort310controller
Built-inextensionmodule,0-10Voutputs
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
S3
Supplytemperaturesensor
(mandatory)DHWflowtemperaturesensor
S5Returntemperaturesensor
S9
S12
F1
P1
V1
P3
V3
DHWcirculationreturntemperaturesensor
0-10VinputfordesiredtemperatureatS3
ColdWatermeter(pulsesignal)
Controlpump(ON-OFFcontrolled)
Speedcontrolofcontrolpump(0-10VorPWM)
DHWcirculationpump(ON-OFFcontrolled)
Speedcontrolofcirculationpump(0-10Vor
PWM)
M1
X2
A1
Motorizedcontrolvalve(3-pointcontrolled)
Anti-bacteriafunctionisactive
Alarm
VI.JM.Q5.02
©Danfoss|2018.09|21
OperatingGuideECLComfort310,applicationP318
Recommendations/consideringsettings:
Speed,P1/V1
"Voutmax. "/"Voutmin. "
(11165/11167)*
P318.10,ex.a
P318.10,ex.b
P318.10,ex.c
*)
Circuit1>MENU>Settings>Controlparameters1>
**)
Circuit1>MENU>Settings>Controlparameters1>
Max./min.tosamevalue
"Adapttime"(11065)*:OFF
Actuatorrunningtime
M1"Mrun"
(11186)**
X
X
22|©Danfoss|2018.09
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
ThebasicprinciplesforapplicationP318.11:
AdvancedDHWtemperatureandbuffercontrol
ThedesiredDHWtemperatureatS3(setincircuit1,favoritedisplay
1)determinesthetemperaturecontrol.
TheDHWflowtemperaturesensorS3,thebuffertemperature
sensorsS6andS8arethemostimportantsensorsandmustbe
connected.IfS3isnotconnected,thecontrolpumpP1/V1will
stop;alternatively,thecontrolvalveM1(examplescandd)will
close.
TemperaturecontroloftheDHWcirculationpipeatS9ensuresthe
desiredtemperaturebymeansofspeedcontrolofpumpP3/V3.
AweekscheduleforswitchingtheDHWcirculationpumpONand
OFFcanbeset.
IfDHWcirculationreturntemperaturesensorS9isnotconnected,
theON-OFFcontrolledpumpwillbeONregardlesstheschedule
status.
Aspeed-controlledpumpcanbelimitedtoadesiredspeedby
meansofV.outmax.andV.outminsettings.
ThecontrolpumpP1/V1isincreasedinspeedwhentheDHW
flowtemperatureislowerthanthedesiredDHWflowtemperature
andviceversa.
Alternatively,themotorizedcontrolvalveM1(examplescandd)is
openedgraduallywhentheDHWflowtemperatureislowerthan
thedesiredDHWtemperatureandviceversa.
ThebufferisON/OFFcontrolledbymeansofP2orM2,operating
asON/OFFvalve,basedon3-pointcontrol.
Startbufferchargingprocess:
1.BuffertemperatureS6temperaturegetslowerthan('Desired
DHWtemperature'+'Startdifference').
Anexample:60°C+5)=65°C
2.X1isswitchedON
3.P2isswitchedON
Stopbufferchargingprocess:
1.BuffertemperatureS6temperaturegetshigherthan(2K+
'DesiredDHWtemperature'+'Startdifference)
AND
LowerbuffertemperatureS8getshigherthan('DesiredDHW
temperature'+'Stopdifference).
Anexample:
S6temperaturehigherthan(2+60°C+5)=67°C)
AND
S8temperaturehigherthan(60°C+(-3)=57°C).
2.P2isswitchedOFF
3.X1isswitchedOFF.
P318.11,ex.a,aapplicationwithDHWtemperaturecontrolandON/OFF
controlofbuffercharging.Inaddition,controlofreturnlayering:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ECA35
ECLComfort310controller
Built-inextensionmodule,0-10Voutputs
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
S3
Supplytemperaturesensor
(mandatory)DHWtemperaturesensor
S5Returntemperaturesensor
S6
S8
S9
S12
F1
P1
(mandatory)Buffertemperaturesensor
(mandatory)Lowerbuffertemperaturesensor
DHWcirculationreturntemperaturesensor
0-10VinputfordesiredtemperatureatS3
ColdWatermeter(pulsesignal)
DHWtemperaturecontrolpump(ON-OFF
controlled)
V1
SpeedcontrolofDHWtemperaturecontrolpump
(0-10VorPWM)
P2
P3
V3
X1
X2
X3
A1
Bufferchargingpump(ON-OFFcontrolled)
Circulationpump(ON-OFFcontrolled)
Speedcontrolofcirculationpump(0-10VorPWM)
Bufferheatingdemandsignal
Anti-bacteriafunctionisactive
Change-overvalve,layeringcontrol
Alarm
VI.JM.Q5.02
©Danfoss|2018.09|23
OperatingGuideECLComfort310,applicationP318
ReturnwaterfromDHWheat-exchangertobuffercanbedirected
bythechange-overvalveX3,basedontemperaturerelationship
betweenS5andS8.
Thisreturnlayeringfunctiondirectslowtemperaturewaterto
buffer-bottomorhighertemperaturewatertobuffer-mid.
Differentialtemperaturesforlayeringcontrolcanbeset.
ThesupplytemperatureS2isusedtocompensatetheproportional
bandXpforimprovingthetemperaturecontrolatdifferentsupply
temperatures.
ThewaterflowsignalfromF1canbeusedtooverridethe
controlvalveforoptimizingtheDHWtemperaturecontrol.This
pro-activefunctionalitycompensatesforthedelaybeforetheflow
temperaturesensorS3measuresachangeintemperature.
ThewaterflowsignalcanalsobeutilizedforcontroloftheS3
temperature,evenifthereisnoDHWcirculation.
Asanoption,thedesiredDHWtemperaturecanbesetexternally.
Avoltagesignal(1-10Volt)canbeappliedtoinputS12(ECA32/
35).Thescaleforvoltageversustemperaturecanbeset.
TheON-OFFoutputX1isONatbufferheatingdemand.
Ananti-bacteriafunctionfortheDHWcircuitisavailablefor
activationonselecteddaysoftheweek.
Theanti-bacteriafunctioncanbesettoincludetheDHW
circulation.
TheON-OFFoutputX2isONwhenanti-bacteriafunctionisactive.
Bymeansofaweekschedule,theDHWcirculationcanbeON/OFF
controlled;thisispossiblewhenS9isconnected.
P318.11,ex.b,applicationwithDHWtemperaturecontrolandON/OFF
controlofbuffercharging.Inaddition,controlofreturnlayering.
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ECA35
ECLComfort310controller
Built-inextensionmodule,0-10Voutputs
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
S3
Supplytemperaturesensor
(mandatory)DHWtemperaturesensor
S5Returntemperaturesensor
S6
S8
S9
S12
F1
P1
(mandatory)Buffertemperaturesensor
(mandatory)Lowerbuffertemperaturesensor
DHWcirculationreturntemperaturesensor
0-10VinputfordesiredtemperatureatS3
ColdWatermeter(pulsesignal)
DHWtemperaturecontrolpump(ON-OFF
controlled)
V1
SpeedcontrolofDHWtemperaturecontrolpump
(0-10VorPWM)
P2/M2
P3
V3
Bufferchargingvalve(ON-OFFcontrolled)
Circulationpump(ON-OFFcontrolled)
Speedcontrolofcirculationpump(0-10Vor
PWM)
X1
X2
X3
A1
Bufferheatingdemandsignal
Anti-bacteriafunctionisactive
Change-overvalve,layeringcontrol
Alarm
24|©Danfoss|2018.09
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
P318.11,ex.c,applicationwithDHWtemperaturecontrolandON/OFF
controlofbuffercharging.Inaddition,controlofreturnlayering.
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ECA35
ECLComfort310controller
Built-inextensionmodule,0-10Voutputs
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
S3
Supplytemperaturesensor
(mandatory)DHWtemperaturesensor
S5Returntemperaturesensor
S6
S8
S9
S12
F1
P1
(mandatory)Buffertemperaturesensor
(mandatory)Lowerbuffertemperaturesensor
DHWcirculationreturntemperaturesensor
0-10VinputfordesiredtemperatureatS3
ColdWatermeter(pulsesignal)
DHWtemperaturecontrolpump(ON-OFF
controlled)
V1
SpeedcontrolofDHWtemperaturecontrolpump
(0-10VorPWM)
P2
P3
V3
Bufferchargingpump(ON-OFFcontrolled)
Circulationpump(ON-OFFcontrolled)
Speedcontrolofcirculationpump(0-10Vor
PWM)
M1
X1
X2
X3
A1
Motorizedcontrolvalve(3-pointcontrolled)
Bufferheatingdemandsignal
Anti-bacteriafunctionisactive
Change-overvalve,layeringcontrol
Alarm
VI.JM.Q5.02
©Danfoss|2018.09|25
OperatingGuideECLComfort310,applicationP318
P318.11,ex.d,applicationwithDHWtemperaturecontrolandON/OFF
controlofbuffercharging.Inaddition,controlofreturnlayering.
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECA32
ECA35
ECLComfort310controller
Built-inextensionmodule,0-10Voutputs
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
S3
Supplytemperaturesensor
(mandatory)DHWtemperaturesensor
S5Returntemperaturesensor
S6
S8
S9
S12
F1
P1
(mandatory)Buffertemperaturesensor
(mandatory)Lowerbuffertemperaturesensor
DHWcirculationreturntemperaturesensor
0-10VinputfordesiredtemperatureatS3
ColdWatermeter(pulsesignal)
DHWtemperaturecontrolpump(ON-OFF
controlled)
V1
SpeedcontrolofDHWtemperaturecontrolpump
(0-10VorPWM)
P2/M2
P3
V3
Bufferchargingvalve(ON-OFFcontrolled)
Circulationpump(ON-OFFcontrolled)
Speedcontrolofcirculationpump(0-10Vor
PWM)
M1
X1
X2
X3
A1
Motorizedcontrolvalve(3-pointcontrolled)
Bufferheatingdemandsignal
Anti-bacteriafunctionisactive
Change-overvalve,layeringcontrol
Alarm
26|©Danfoss|2018.09
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
Recommendations/consideringsettings:
Speed,P1/V1
"Voutmax. "/"Voutmin. "
(11165/11167)*
P318.11,ex.a
P318.11,ex.b
P318.11,ex.c
P318.11,ex.dMax./min.tosamevalue
*)
Circuit1>MENU>Settings>Controlparameters1>
**)
Circuit1>MENU>Settings>Controlparameters1>
P318,ingeneral
UptotwoRemoteControlUnits,ECA30/31,canbeconnectedto
oneECLcontrollerinordertocontroltheECLcontrollerremotely.
AdditionalECLComfortcontrollerscanbeconnectedviatheECL
485businordertoutilizecommonoutdoortemperaturesignal,
timeanddatesignals.TheECLControllersintheECL485bus
systemcanworkasmasterandslaves.TheapplicationP318can
workaloneorasaslave.
Max./min.tosamevalue
"Adapttime"(11065)*:OFF
"Adapttime"(11065)*:OFF
Actuatorrunningtime
M1"Mrun"
(11186)**
X
X
Heat-meters:
Upto5heat-meterscanbeconnectedtotheM-busterminals.
DatacanbetransferredtotheSCADAsystemviaModbusandTCP/
IPtotheECLPortal.
TheP318applicationhaseventindicationsfor
•Chargingtemperature
•Tank(buffer)temperature
•DHWflowtemperature
•Supplytemperature
•Anti-bacteria
Typically,aneventisregisteredifasettemperatureconditionis
notaccepted.Theeventscanbeprioritizedtobeindicatedas
informationoranalarm.
ThealarmA1(=relay6)canbeactivatedif:
•aneventoccurs
•atemperaturesensororitsconnectiondisconnects/short
circuits.(See:Commoncontrollersettings>System>Raw
inputoverview).
VI.JM.Q5.02
©Danfoss|2018.09|27
OperatingGuideECLComfort310,applicationP318
PWM(PulseWidthModulation)
A200HzfrequencyisappliedtothePWMcontrolledpump.The
dutycycle(thepercentageoftheperiodtime)determinesthe
pumpspeed.
Pumpspeed,PWMor0–10Voltcontrolled
Sometypesofspeedcontrolledpumpsarelimitedtoaminimum
speed,forexample30%(PWMor3.0Volt).Eveniftheapplied
control%getslowerthan30%,thepumpspeedremainsonthe
minimumlevel*.
Furthermore,whentheappliedcontrol%getsbelow,forexample,
10%,thepumpswitchesOFF.Inordertogetthepumpswitched
ONagain,theappliedcontrol%mustexceed20%.
Thisbehaviorcan,atlowloadoratoobigpump,causeunstable
temperatureregulation.Toavoidthis,theP318hasafunction
wheretheappliedcontrolsignalisconvertedintoapulsedsignal.
Thepumpisshortlystoppedandthenstartedagain.Theresultisa
pumpspeedcontrolalsobelowtheminimumspeedlevel.
Theparameters"PWMperiod"(ID11565)and"Adapttime"(ID
11065)areusedforthisfunctionality.
*)Seethepumpmanufacturer'sdatasheet
Inputconfiguration
Inputs(asfromS7andup)whicharenotpartoftheapplicationcan
beconfiguredtobePt1000,0-10Volt,frequency(pulsecounter)
orDigitalinput.Thisfeaturemakesitpossibletocommunicate
extrasignals,suchastemperatures,pressures,ON/OFFconditions,
viaModbusandECLPortal.
TheconfigurationisdonebymeansoftheECLTool(freesoftware
fordownload)ordirectlyinadedicatedmenuintheECLPortalor
theconnectionforModbus(BMS/SCADA).
Commissioning
WhentheP318applicationhasbeenuploaded,theECLComfort
310controllerstartsinManualmode.Thiscanbeusedtoverify
correctconnectionsofinputrelatedcomponents,forexample
temperatureandpressuresensorsandflowmeters.
Inaddition,controlledcomponentscanbeverifiedforcorrect
functionality.
Theapplicationkeyisdeliveredwithfactorysettings.Depending
onsystemtype,itisrecommendedtochangesomeofthesettings
individuallyforoptimizingthefunctionality.
Thesesettingchanges,ifrequired,arelistedaftertheexplanation
ofeachsubtype(Seesection"Beforeyoustart")
Important:
Setthecorrectrunningtime"Mrun"ofMotorizedControlValve(s)
(CircuitX>MENU>Settings>Controlparameters>Mrun).
Theapplicationkeymustbeinsertedinordertochangesettings.
Thecontrollerispre-programmedwithfactorysettingsthatareshown
inthe‘ParameterIDoverview’appendix.
28|©Danfoss|2018.09
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
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.
Adviceforsettings:
Factorysettingsinthesubtypesarerelatedtotheexamplesa.
Someoftheapplicationexamplesneedchangeofdedicated
settings.
Seethelistaftertheexplanationofeachsubtype(Seesection
"Beforeyoustart")
VI.JM.Q5.02
©Danfoss|2018.09|29
OperatingGuideECLComfort310,applicationP318
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.
30|©Danfoss|2018.09
Topreventinjuriestopersonsorthecontroller,thecontrollerhasto
besecurelylockedintothebase.Forthispurpose,pressthelocking
pinintothebaseuntilaclickisheardandthecontrollernolonger
canberemovedfromthebase.
Ifthecontrollerisnotsecurelylockedintothebasepart,thereisarisk
thatthecontrollerduringoperationcanunlockfromthebaseandthe
basewithterminals(andalsothe230Va.c.connections)areexposed.
Topreventinjuriestopersons,alwaysmakesurethatthecontroller
issecurelylockedintoitsbase.Ifthisisnotthecase,thecontroller
shouldnotbeoperated!
VI.JM.Q5.02
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