A275.2, example c
Boiler ON / OFF control for a heating and a DHW circuit. Optional DHW priority. The boiler circuit is equipped with a low loss header.
* = pressure relief valve
The pump in the boiler circuit is not controlled.
At DHW heating P3 is switched ON and the desired boiler temperature lies a number of degrees above the desired DHW temperature.
P1 is switched OFF.
Special settings for type A275.2, example c:
Navigation:
ID no.:
Recommended setting:
DHW circuit (circuit 2)
DHW heating is managed by pump P3:
MENU \ Settings \ Application: 'Ch.-o. valve / P'
12051
ON
The desired DHW heating temperature must influence the desired boiler temperature:
MENU \ Settings \ Application: ‘Tank, sec./prim.'
12053
OFF
Please note:
If 'Ch.-o. valve / P' in 12051 is set to OFF, P3 will be switched on at DHW heating. The desired boiler temperature will still lie a
number of degrees above the desired DHW temperature and P1 remain switched ON.
VI.GU.L2.02
© Danfoss | 2017.09 | 23
Operating Guide ECL Comfort 210/296/310, application A275/A375