Danfoss ECL Comfort 310 Operating Manual page 8

Operating Guide
A368, in general:
The heating circuit can be gradually or full closed during DHW
heating (sliding or full DHW priority).
Up to two Remote Control Units, ECA 30 / 31 can be connected to
one ECL controller in order to control the ECL controller remotely.
Additional ECL Comfort controllers can be connected via the
ECL 485 bus in order to utilize common outdoor temperature
signal, time and date signals.
The ECL controllers in the ECL 485 system can work in master -
slave system.
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.
The M-bus data can furthermore be transferred to the Modbus
communication.
Alarm A1 (= relay 6) can be activated if:
• The actual flow temperature differs from the desired flow
temperature
• The activated circulation pump does not generate a pressure
difference
• The refill water function does not generate a pressure within
a preset time
• If a temperature sensor or its connection disconnects / short
circuits. (See: Common controller settings > System > Raw
input overview)
• If the universal alarm input(s) S9 / S12 are activated.
8 DEN-SMT/DK
ECL Comfort 310, application A368
VI.LG.J3.02
Danfoss District Energy