Danfoss 087H3803 User Manual

7.4Frequentlyaskedquestions
ThedefinitionsapplytotheECLComfort210/296/310series.
Consequently,youmightcomeacrossexpressionsthatarenot
mentionedinyourguide.
Circulationpump(heating)doesnotstopasexpected
Itisinoperationatfrostprotection(outdoortemperature
lowerthan"PfrostT"value)andatheatdemand(desiredflow
temperaturehigherthan"PheatT"value)
Thetimeshowninthedisplayisonehouroff?
See‘TimeandDate’ .
Thetimeshowninthedisplayisnotcorrect?
Theinternalclockmayhavebeenreset,iftherehasbeenapower
breakformorethan72hours.
Gotothe'Commoncontrollersettings'and'Time&Date'toset
thecorrecttime.
TheECLApplicationKeyislost?
SwitchthepoweroffandonagaintoseetheECLcontroller
type,versioncode(e.g.1.52),codeno.andapplication(e.g.
A266.1)orgoto'Commoncontrollersettings'>'Keyfunctions'>
'Application'.Thesystemtype(e.g.TYPEA266.1)andthesystem
diagramisdisplayed.
OrderareplacementfromyourDanfossrepresentative(e.g.ECL
ApplicationKeyA266).
InsertthenewECLApplicationKeyandcopyyourpersonal
settingsfromthecontrollertothenewECLApplicationKey,if
required.
Theroomtemperatureistoolow?
Makesurethattheradiatorthermostatdoesnotlimittheroom
temperature.
Ifyoustillcannotobtainthedesiredroomtemperatureby
adjustingtheradiatorthermostats,theflowtemperatureistoo
low.Increasethedesiredroomtemperature(displaywithdesired
roomtemperature).Ifthisdoesnothelp,adjustthe‘Heatcurve’
(‘Flowtemp.’).
Theroomtemperatureistoohighduringsavingperiods?
Makesurethatthemin.flowtemperaturelimitation('Temp.min.')
isnottoohigh.
Thetemperatureisunstable?
Checkthattheflowtemperaturesensoriscorrectlyconnected
andintherightplace.Adjustthecontrolparameters('Control
par.').
Ifthecontrollerhasaroomtemperaturesignal,see'Roomlimit'.
Thecontrollerdoesnotoperateandthecontrolvalveis
closed?
Checkthattheflowtemperaturesensorismeasuringthecorrect
value,see'Dailyuse'or'Inputoverview'.
Checktheinfluencefromothermeasuredtemperatures.
Howtomakeanextracomfortperiodintheschedule?
Youcansetanadditionalcomfortperiodbyaddingnew‘Start’
and‘Stop’timesin‘Schedule’ .
Howtoremoveacomfortperiodintheschedule?
Youcanremoveacomfortperiodbysettingstartandstoptimes
tothesamevalue.
Howtorestoreyourpersonalsettings?
Pleasereadthechapterconcerning‘InsertingtheECLApplication
Key’ .
186|©Danfoss|2017.09
VI.GU.L2.02
OperatingGuideECLComfort210/296/310,applicationA275/A375

Danfoss 087H3803 Specifications

General

Brand	Danfoss
Model	087H3803
Category	Controller
Language	English