Installation Guide
ECL Comfort 210 / 310, application A214 / A314
A214 and A314 in general:
Compensation temperature (optional):
If the measured compensation temperature (S1 or S2) is higher or
lower than the limitation value, the desired temperature at S3 can
be adjusted. The compensation temperature can be measured
by the outdoor temperature sensor or for example an additional
room temperature sensor.
Override possibilities:
Unused input can, by means of an override switch, be used to
override the schedule to a fixed 'Comfort' or 'Saving' mode.
Alarm functions:
The alarm (relay 4 in ECL 210, relay 6 in ECL 310) is activated:
1. If an unaccepted deviation between the desired and actual S3
temperature occurs.
2. If a frost thermostat (S7) is activated.
3. If a frost temperature is detected at S5 or S6.
4. If the fire alarm (S8) is activated.
5. If a temperature sensor or its connection disconnects / short
circuits.
A214.2, A214.3, A214.4, A214.5, A314.1, A314.2 and A314.3:
Return temperature (optional):
If the measured return temperature (S5) does not equal the
limitation value (typically, the return temperature becomes higher
than the limitation value), the desired temperature at S3 can be
adjusted (typically to a lower value). This results in a gradual closing
of the motorized control valve.
Frost protection (optional):
Temperature sensor S6 and / or frost thermostat S7 can protect
the heat exchanger against frost.
Furthermore, if the S5 temperature becomes too low, it also can
enable the frost protection.
An activated frost protection will start the alarm, stop the fan F1,
close the damper P2 and fully open the motorized control valve M1.
Fire alarm (optional):
An activated fire alarm input will start the alarm, stop the fan F1,
close the damper P2 and close the motorized control valves.
Danfoss District Energy
VI.GU.A2.02
DEN-SMT/DK
23