A375.1, example h
Up to 8 x boiler ON / OFF control for a heating circuit. The first boiler (high efficiency) has highest priority.
* = pressure relief valve
The first boiler can be a heat pump.
The extension module ECA 32 is used to control boiler 5, 6, 7 and 8.
Sequence for the boilers: Boiler 1, 2 - 3 - 4 - 5 - 6 - 7 - 8. Next day: Boiler 1, 3 - 4 - 5 - 6 - 7 - 8 - 2. Following day: Boiler 1, 4 - 5 - 6 - 7
- 8 - 2 - 3 and so on.
Burner steps are activated according to heat demand.
The last burner step can be disabled if the outdoor temperaure is higher than a set value.
Special settings for type A375.1, example h:
Navigation:
ID no.:
Recommended setting:
Heating circuit (circuit 1)
Sequence type (code) for controlling the burners:
MENU \ Settings \ Boiler: 'Sequence type'
11072
1
Number of total burner steps:
MENU \ Settings \ Boiler: ‘Steps'
11073
1 .... 8
VI.GU.L2.02
© Danfoss | 2017.09 | 39
Operating Guide ECL Comfort 210/296/310, application A275/A375