Danfoss 087H3803 User Manual

Howtorestorethefactorysettings?
Pleasereadthechapterconcerning‘InsertingtheECLApplication
Key’ .
Whycan’tthesettingsbechanged?
TheECLApplicationKeyhasbeenremoved.
Whycan’tanapplicationbeselectedwheninsertingtheECL
applicationkeyintothecontroller?
TheactualapplicationintheECLComfortcontrollermustbe
deletedbeforeanewapplication(subtype)canbeselected.
Howtoreactonalarms?
Analarmindicatesthatthesystemisnotoperatingsatisfactorily.
Pleasecontactyourinstaller.
WhatdoesPandPIcontrolmean?
Pcontrol:Proportionalcontrol.
ByusingaPcontrol,thecontrollerwillchangetheflow
temperatureproportionaltothedifferencebetweenadesired
andanactualtemperature,e.g.aroomtemperature.
APcontrolwillalwayshaveanoffsetwhichnotwilldisappear
overtime.
PIcontrol:ProportionalandIntegratingcontrol.
APIcontroldoesthesameasaPcontrol,buttheoffsetwill
disappearovertime.
Along‘Tn’willgiveaslowbutstablecontrol,andashort‘Tn’will
resultinafastcontrolbutwithahigherriskofunstability.
Whatdoesthe"i"intheupperrightcornerofthedisplay
mean?
Whenuploadinganapplication(subtype)fromtheapplication
keyintotheECLComfortcontroller,the"i"intheupperright
cornerindicatesthat-besidesthefactorysettings-thesubtype
alsocontainsspecialuser/systemssettings.
VI.GU.L2.02
©Danfoss|2017.09|187
OperatingGuideECLComfort210/296/310,applicationA275/A375

Danfoss 087H3803 Specifications

General

Brand	Danfoss
Model	087H3803
Category	Controller
Language	English