Danfoss ECL Comfort 210 Installation Manual page 11

Installation Guide
Application A275 in general:
Unused input can, by means of an override switch, be used to
override the schedule to a fixed 'Comfort' or 'Saving' mode.
Modbus communication to a SCADA system can be established.
Alarm, A275.1 and A275.2:
Alarm A1 (relay R4) and the alarm symbol ( ) can be activated:
• if a temperature sensor or its connection disconnects /
shortcircuits.
Alarm, A275.3:
The alarm symbol ( ) can be activated:
• if a temperature sensor or its connection disconnects /
shortcircuits.
• if the actual flow temperature at S4 (heating circuit 2), differs
from the desired flow temperature.
Danfoss District Energy
ECL Comfort 210 / 310, application A275 / A375
VI.GU.L1.02 DEN-SMT/DK 11