Danfoss ECL Comfort 310, P318 Operating instructions

  • Hello! I am an AI chatbot trained to assist you with the Danfoss ECL Comfort 310, P318 Operating instructions. I’ve already reviewed the document and can help you find the information you need or explain it in simple terms. Just ask your questions, and providing more details will help me assist you more effectively!
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
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
7.0Commoncontrollersettings............................114
7.1IntroductiontoCommoncontrollersettings’..............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
©Danfoss|2018.08VI.JM.Q5.02|1
1.1Importantsafetyandproductinformation
1.1.1Importantsafetyandproductinformation
ThisOperatingGuideisassociatedwiththeECLApplicationKey
P318(codeno.087H3835).
TheECLApplicationKeyP318forDomesticHotWater(DHW)
temperaturecontrolcontains4subtypes:
P318.1,bufferbasedtemperaturecontrol
P318.2,bufferandmixingbasedtemperaturecontrol
P318.10,advancedtemperaturecontrol
P318.11,advancedtemperatureandbuffercontrol
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.
2|©Danfoss|2018.08
VI.JM.Q5.02
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
©Danfoss|2018.08|3
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
-
Circuit1Parameterno.
12174
1
2
174
-
Circuit2Parameterno.
IfanIDdescriptionismentionedmorethanonce,itmeansthatthere
arespecialsettingsforoneormoresystemtypes.Itwillbemarked
withthesystemtypeinquestion(e.g.12174-A266.9).
4|©Danfoss|2018.08
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
ParametersindicatedwithanIDno.like"1x607"meanauniversal
parameter.
xstandsforcircuit/parametergroup.
DisposalNote
Thisproductshouldbedismantledanditscomponents
sorted,ifpossible,invariousgroupsbeforerecycling
ordisposal.
Alwaysfollowthelocaldisposalregulations.
VI.JM.Q5.02
©Danfoss|2018.08|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
ECLComfort310controller
ECA32
Built-inextensionmodule,0-10Voutputs
ECA35
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
(mandatory)Supplytemperaturesensor
S3
(mandatory)Chargingtemperaturesensor
S5Returntemperaturesensor
S6
(mandatory)Buffertemperaturesensor
S8
(mandatory)Lowerbuffertemperaturesensor
S9
DHWcirculationreturntemperaturesensor
S12
0-10VinputfordesiredtemperatureatS6
P2
Chargingpump(ON-OFFcontrolled)
V2
Speedcontrolofchargingpump(0-10VorPWM)
P3
Circulationpump(ON-OFFcontrolled)
V3
Speedcontrolofcirculationpump(0-10Vor
PWM)
M1
Motorizedcontrolvalve(3-pointcontrolled)
X1
Heatdemandsignal
X2
Anti-bacteriafunctionisactive
A1
Alarm
6|©Danfoss|2018.08
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|2018.08|7
OperatingGuideECLComfort310,applicationP318
P318.1,ex.b,applicationwithcontrolvalveandexternalDHWcirculation:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECLComfort310controller
ECA32
Built-inextensionmodule,0-10Voutputs
ECA35
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
(mandatory)Supplytemperaturesensor
S3
(mandatory)Chargingtemperaturesensor
S5Returntemperaturesensor
S6
(mandatory)Buffertemperaturesensor
S8
(mandatory)Lowerbuffertemperaturesensor
S9
DHWcirculationreturntemperaturesensor
S12
0-10VinputfordesiredtemperatureatS6
P2
Chargingpump(ON-OFFcontrolled)
V2
Speedcontrolofchargingpump(0-10VorPWM)
P3
Circulationpump(ON-OFFcontrolled)
V3
Speedcontrolofcirculationpump(0-10Vor
PWM)
M1
Motorizedcontrolvalve(3-pointcontrolled)
X1
Heatdemandsignal
X2
Anti-bacteriafunctionisactive
A1
Alarm
8|©Danfoss|2018.08
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
P318.1,ex.c,applicationwithcontrolpumpandinternalDHWcirculation:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECLComfort310controller
ECA32
Built-inextensionmodule,0-10Voutputs
ECA35
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
(mandatory)Supplytemperaturesensor
S3
(mandatory)Chargingtemperaturesensor
S5Returntemperaturesensor
S6
(mandatory)Buffertemperaturesensor
S8
(mandatory)Lowerbuffertemperaturesensor
S9
DHWcirculationreturntemperaturesensor
S12
0-10VinputfordesiredtemperatureatS6
P1
Controlpump(ON-OFFcontrolled)
V1
Speedcontrolofcontrolpump(010VorPWM)
P2
Chargingpump(ON-OFFcontrolled)
V2
Speedcontrolofchargingpump(0-10VorPWM)
P3
Circulationpump(ON-OFFcontrolled)
V3
Speedcontrolofcirculationpump(0-10Vor
PWM)
X1
Heatdemandsignal
X2
Anti-bacteriafunctionisactive
A1
Alarm
VI.JM.Q5.02
©Danfoss|2018.08|9
OperatingGuideECLComfort310,applicationP318
P318.1,ex.d,applicationwithcontrolpumpandexternalDHWcirculation:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECLComfort310controller
ECA32
Built-inextensionmodule,0-10Voutputs
ECA35
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
(mandatory)Supplytemperaturesensor
S3
(mandatory)Chargingtemperaturesensor
S5Returntemperaturesensor
S6
(mandatory)Buffertemperaturesensor
S8
(mandatory)Lowerbuffertemperaturesensor
S9
DHWcirculationreturntemperaturesensor
S12
0-10VinputfordesiredtemperatureatS6
P1
Controlpump(ON-OFFcontrolled)
V1
Speedcontrolofcontrolpump(010VorPWM)
P2
Chargingpump(ON-OFFcontrolled)
V2
Speedcontrolofchargingpump(0-10VorPWM)
P3
Circulationpump(ON-OFFcontrolled)
V3
Speedcontrolofcirculationpump(0-10Vor
PWM)
X1
Heatdemandsignal
X2
Anti-bacteriafunctionisactive
A1
Alarm
10|©Danfoss|2018.08
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
P318.1,ex.e:Primarysideisacombinationofa3-portcontrolvalveanda
controlpump.InternalDHWcirculation:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECLComfort310controller
ECA32
Built-inextensionmodule,0-10Voutputs
ECA35
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
(mandatory)Supplytemperaturesensor
S3
(mandatory)Chargingtemperaturesensor
S5Returntemperaturesensor
S6
(mandatory)Buffertemperaturesensor
S8
(mandatory)Lowerbuffertemperaturesensor
S9
DHWcirculationreturntemperaturesensor
S12
0-10VinputfordesiredtemperatureatS6
M1
Motorized3-portcontrolvalve(3-pointcontrolled)
P1
Controlpump(ON-OFFcontrolled)
V1
Speedcontrolofcontrolpump(010VorPWM)
P2
Chargingpump(ON-OFFcontrolled)
V2
Speedcontrolofchargingpump(0-10VorPWM)
P3
Circulationpump(ON-OFFcontrolled)
V3
Speedcontrolofcirculationpump(0-10Vor
PWM)
X1
Heatdemandsignal
X2
Anti-bacteriafunctionisactive
A1
Alarm
VI.JM.Q5.02
©Danfoss|2018.08|11
OperatingGuideECLComfort310,applicationP318
P318.1,ex.f:Primarysideisacombinationofa3-portcontrolvalveanda
controlpump.ExternalDHWcirculation:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECLComfort310controller
ECA32
Built-inextensionmodule,0-10Voutputs
ECA35
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
(mandatory)Supplytemperaturesensor
S3
(mandatory)Chargingtemperaturesensor
S5Returntemperaturesensor
S6
(mandatory)Buffertemperaturesensor
S8
(mandatory)Lowerbuffertemperaturesensor
S9
DHWcirculationreturntemperaturesensor
S12
0-10VinputfordesiredtemperatureatS6
M1
Motorized3-portcontrolvalve(3-pointcontrolled)
P1
Controlpump(ON-OFFcontrolled)
V1
Speedcontrolofcontrolpump(010VorPWM)
P2
Chargingpump(ON-OFFcontrolled)
V2
Speedcontrolofchargingpump(0-10VorPWM)
P3
Circulationpump(ON-OFFcontrolled)
V3
Speedcontrolofcirculationpump(0-10Vor
PWM)
X1
Heatdemandsignal
X2
Anti-bacteriafunctionisactive
A1
Alarm
12|©Danfoss|2018.08
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
Recommendations/consideringsettings:
Int./Ext.DHWcirc.
"Cont.Tcontrol"(11054)*
Speed,P1/V1
"Voutmax. "/"Voutmin. "
(11165/11167)**
Actuatorrunningtime
"Mrun"(11186)***
P318.1,ex.a
OFF
X
P318.1,ex.b
ON
X
P318.1,ex.c
OFF
P318.1,ex.d
ON
P318.1,ex.e
OFF
Max./min.tosamevalue
"Adapttime"(11065)*:OFF
X
P318.1,ex.f
ON
Max./min.tosamevalue
"Adapttime"(11065)*:OFF
X
*)
Circuit1>MENU>Settings>Application>
**)
Circuit1>MENU>Settings>Controlparameters1>
***)
Circuit1>MENU>Settings>Controlparameters1>
VI.JM.Q5.02
©Danfoss|2018.08|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
ECLComfort310controller
ECA32
Built-inextensionmodule,0-10Voutputs
ECA35
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
(mandatory)Supplytemperaturesensor
S3
(mandatory)Chargingtemperaturesensor
S4
(mandatory)DHWtemperaturesensor
S5Returntemperaturesensor
S6
(mandatory)Buffertemperaturesensor
S8
(mandatory)Lowerbuffertemperaturesensor
S9
DHWcirculationreturntemperaturesensor
S12
0-10VinputfordesiredtemperatureatS6
P2
Chargingpump(ON-OFFcontrolled)
V2
Speedcontrolofchargingpump(0-10VorPWM)
P3
Circulationpump(ON-OFFcontrolled)
V3
Speedcontrolofcirculationpump(0-10Vor
PWM)
M1
Motorizedcontrolvalve(3-pointcontrolled)
M2
Motorizedcontrolvalve(3-pointcontrolled)
X1
Bufferheatingdemandsignal
X2
Anti-bacteriafunctionisactive
A1
Alarm
14|©Danfoss|2018.08
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|2018.08|15
OperatingGuideECLComfort310,applicationP318
P318.2,ex.b,applicationwithcontrolpumpforbuffertemperaturecontrol:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECLComfort310controller
ECA32
Built-inextensionmodule,0-10Voutputs
ECA35
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
(mandatory)Supplytemperaturesensor
S3
(mandatory)Chargingtemperaturesensor
S4
(mandatory)DHWtemperaturesensor
S5Returntemperaturesensor
S6
(mandatory)Buffertemperaturesensor
S8
(mandatory)Lowerbuffertemperaturesensor
S9
DHWcirculationreturntemperaturesensor
S12
0-10VinputfordesiredtemperatureatS6
P2
Chargingpump(ON-OFFcontrolled)
V2
Speedcontrolofchargingpump(0-10VorPWM)
P3
Circulationpump(ON-OFFcontrolled)
V3
Speedcontrolofcirculationpump(0-10Vor
PWM)
P1
Controlpump(ON-OFFcontrolled)
V1
Speedcontrolofcontrolpump(010VorPWM)
M2
Motorizedcontrolvalve(3-pointcontrolled)
X1
Bufferheatingdemandsignal
X2
Anti-bacteriafunctionisactive
A1
Alarm
16|©Danfoss|2018.08
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
P318.2,ex.c,applicationwithacombinationofa3-portcontrolvalveand
acontrolpumpforbuffertemperaturecontrol:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECLComfort310controller
ECA32
Built-inextensionmodule,0-10Voutputs
ECA35
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
(mandatory)Supplytemperaturesensor
S3
(mandatory)Chargingtemperaturesensor
S4
(mandatory)DHWtemperaturesensor
S5Returntemperaturesensor
S6
(mandatory)Buffertemperaturesensor
S8
(mandatory)Lowerbuffertemperaturesensor
S9
DHWcirculationreturntemperaturesensor
S12
0-10VinputfordesiredtemperatureatS6
P2
Chargingpump(ON-OFFcontrolled)
V2
Speedcontrolofchargingpump(0-10VorPWM)
P3
Circulationpump(ON-OFFcontrolled)
V3
Speedcontrolofcirculationpump(0-10Vor
PWM)
M1
Motorizedcontrolvalve(3-pointcontrolled)
P1
Controlpump(ON-OFFcontrolled)
V1
Speedcontrolofcontrolpump(010VorPWM)
M2
Motorizedcontrolvalve(3-pointcontrolled)
X1
Bufferheatingdemandsignal
X2
Anti-bacteriafunctionisactive
A1
Alarm
VI.JM.Q5.02
©Danfoss|2018.08|17
OperatingGuideECLComfort310,applicationP318
Recommendations/consideringsettings:
Speed,P1/V1
"Voutmax. "/"Voutmin. "
(11165/11167)*
Actuatorrunningtime
M2"Mrun"
(14186)**
Actuatorrunningtime
M1"Mrun"
(11186)***
P318.2,ex.a
XX
P318.2,ex.b
X
P318.2,ex.c
Max./min.tosamevalue
"Adapttime"(11065)*:OFF
XX
*)
Circuit2>MENU>Settings>Controlparameters1>
**)
Circuit1>MENU>Settings>Controlparameters2>
***)
Circuit2>MENU>Settings>Controlparameters1>
18|©Danfoss|2018.08
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.
TheON-OFFoutputX2isONwhenanti-bacteriafunctionisactive.
P318.10,ex.a,DHWapplicationwithcontrolvalve:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECLComfort310controller
ECA32
Built-inextensionmodule,0-10Voutputs
ECA35
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
Supplytemperaturesensor
S3
(mandatory)DHWflowtemperaturesensor
S5Returntemperaturesensor
S9
DHWcirculationreturntemperaturesensor
S12
0-10VinputfordesiredtemperatureatS3
F1
ColdWatermeter(pulsesignal)
P3
DHWcirculationpump(ON-OFFcontrolled)
V3
Speedcontrolofcirculationpump(0-10Vor
PWM)
M1
Motorizedcontrolvalve(3-pointcontrolled)
X2
Anti-bacteriafunctionisactive
A1
Alarm
VI.JM.Q5.02
©Danfoss|2018.08|19
OperatingGuideECLComfort310,applicationP318
P318.10,ex.b,DHWapplicationwithcontrolpump:
Theshowndiagramisafundamentalandsimplifiedexampleanddoes
notcontainallcomponentsthatarenecessaryinasystem.
AllnamedcomponentsareconnectedtotheECLComfortcontroller.
Listofcomponents:
ECL310
ECLComfort310controller
ECA32
Built-inextensionmodule,0-10Voutputs
ECA35
Built-inextensionmodule,0-10Voutputsand
PWMoutputs
S2
Supplytemperaturesensor
S3
(mandatory)DHWflowtemperaturesensor
S5Returntemperaturesensor
S9
DHWcirculationreturntemperaturesensor
S12
0-10VinputfordesiredtemperatureatS3
F1
ColdWatermeter(pulsesignal)
P1
Controlpump(ON-OFFcontrolled)
V1
Speedcontrolofcontrolpump(0-10VorPWM)
P3
DHWcirculationpump(ON-OFFcontrolled)
V3
Speedcontrolofcirculationpump(0-10Vor
PWM)
X2
Anti-bacteriafunctionisactive
A1
Alarm
20|©Danfoss|2018.08
VI.JM.Q5.02
OperatingGuideECLComfort310,applicationP318
/