Wirecrosssectionforsensorconnections:Min.0.4mm².
Totalcablelength:Max.200m(allsensorsincl.internalECL485
communicationbus)
Cablelengthsofmorethan200mmaycausenoisesensibility(EMC).
2.5.6Electricalconnections,ECA30/31
Terminal
ECL
Terminal
ECA30/31
Description
Type
(recomm.)
30
4
31
1
Twistedpair
322
333
Twistedpair
Cable2x
twistedpair
4
5
Ext.roomtemperature
sensor*
ESM-10
*
Afteranexternalroomtemperaturesensorhasbeenconnected,
ECA30/31mustberepowered.
ThecommunicationtotheECA30/31mustbesetupintheECL
Comfortcontrollerin'ECAaddr.'
TheECA30/31mustbesetupaccordingly.
AfterapplicationsetuptheECA30/31isreadyafter2–5min.A
progressbarintheECA30/31isdisplayed.
ECAinformationmessage:
‘Applicationreq.newerECA’:
Thesoftware(firmware)ofyourECAdoesnotcomplywiththe
software(firmware)ofyourECLComfortcontroller.Pleasecontact
yourDanfosssalesoffice.
72|©Danfoss|2017.09
VI.GU.L2.02
OperatingGuideECLComfort210/296/310,applicationA275/A375