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1240.0 Operating mode, secondary pump
If the secondary pump is switched on, this circulation
pump runs in the selected operating mode.
Value Meaning
0 Do not adjust!
1 Do not adjust!
2 Do not adjust!
3 Do not adjust!
Value Meaning
4 Operation with constant speed setting (pa-
rameter 1100.2)
5 Do not adjust!
6 Do not adjust!
7 Do not adjust!
2498 Pump type, secondary pump
2498.0 Pump type, secondary pump
Manufacturer of the secondary pump: Required in
order to process operating data of the circulation pump
in the heat pump control unit.
Note
Setting only required when replacing the circulation
pump and for on-site circulation pumps
Value Meaning
0 Control of circulation pump via pump relay
1 KSB
Control of circulation pump via PWM signal
2 Grundfos
Control of circulation pump via PWM signal
3 Wilo
Control of circulation pump via PWM signal
4 Do not adjust!
5 Do not adjust!
General parameter group
1240 Operating mode of secondary pump
6218234
Parameter
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