The grey
side of the
ECL Card
Extended service
32p
Service parameter(s) 84
84 Pump P2 in DHW circuit, primary side
Circuit Setting range Factory setting
II ON / OFF OFF
This setting is only used for system type 6a in connection with
line 52-II = OFF. Choose whether DHW pump P2 is to be used as
circulation pump in the primary side or as DHW charging pump.
ON: Pump P2 is used as circulation pump in the
primary side. Circulation pump P2 remains
switched ON as long as DHW charging
pump P4 or circulation pump P3 are
switched ON.
Pump P2 is switched OFF when pumps P3
and P4 are switched OFF.
OFF: Pump P2 is used as DHW charging pump.
Pump P2 is switched ON at DHW demand.
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