ECL Comfort 210/310, A275/A375 Installation Guide - Danfoss ...

Installation Guide ECL Comfort 210 / 310, application A275 / A375
6.7 Application
ECA addr. (choice of Remote Control Unit) 12010
Circuit Setting range Factory setting
2 OFF / A / B OFF
Decides the communication with the Remote Control Unit.
OFF: No Remote Control Unit. Only room temperature sensor,
if any.
A: Remote Control Unit ECA 30 / 31 with address A.
B: Remote Control Unit ECA 30 / 31 with address B.
Ch.-o. valve / P (changeover valve / pump) 12051
Circuit Setting range Factory setting
2 OFF / ON ON
Choose whether the DHW heating control is based on a changeover valve
or a pump.
OFF: Changeover valve
ON: Pump
Tank, sec. / prim. 12053
Circuit Setting range Factory setting
2 OFF / ON OFF
Choose whether the heating of the DHW tank is dependent on the flow
temperature at S3.
OFF: The DHW tank is heated by means of the S3 temperature.
ON: The DHW tank is heated separately. The S3 temperature
has no influence on the DHW heating.
Circ. P priority 12055
Circuit Setting range Factory setting
2 OFF / ON OFF
Choose whether the DHW circulation pump should be ON during DHW
heating.
OFF: The DHW circulation pump is switched OFF during DHW
heating.
ON: The DHW circulation pump is not switched OFF during
DHW heating.
The Remote Control Unit has no influence on the DHW control.
The Remote Control Unit must be set accordingly (A or B).
When the changeover valve is chosen, pump P1 is ON at heating as
well as at DHW heating demand.
When the pump is chosen, pump P1 is ON at heating and OFF at DHW
heating demand.
When the 'Circ. P priority' is set to OFF, the schedule for the DHW
circulation pump is overruled.
Danfoss District Energy VI.GU.L1.02 DEN-SMT/DK 139