ApplicationA275ingeneral:
Unusedinputcan,bymeansofanoverrideswitch,beusedto
overridethescheduletoafixed'Comfort'or'Saving'mode.
ModbuscommunicationtoaSCADAsystemcanbeestablished.
Alarm,A275.1andA275.2:
AlarmA1(relayR4)andthealarmsymbol(
)canbeactivated:
•ifatemperaturesensororitsconnectiondisconnects/
shortcircuits.
Alarm,A275.3:
Thealarmsymbol(
)canbeactivated:
•ifatemperaturesensororitsconnectiondisconnects/
shortcircuits.
•iftheactualflowtemperatureatS4(heatingcircuit2),differs
fromthedesiredflowtemperature.
VI.GU.L2.02
©Danfoss|2017.09|11
OperatingGuideECLComfort210/296/310,applicationA275/A375