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Heating contractor
Pump
control
The heating circuit / cooling circuit pumps can be operated in various modes.
Heating circuit pump:
- Demand-dependent (on where there is heat demand, otherwise off).
- Weather-compensated: where outside temperature < set value, pump on.
- Constant operation: pump always on when the system is operational.
Cooling circuit pump:
- Demand-dependent (on where there is cooling demand, otherwise off).
- Constant operation: pump always on when the system is operational.
You may also set a run-on time for both pumps.
Parameter Setting range Factory setting
Pump, DHW, operating mode: Demand-dependent /
Outside temperature
/ Constant operation
Demand-
dependent
Pump, DHW, limit, outside temperature -20 - 15 °C 2 °C
Heating valve control with weather-
compensated pump operating mode
0 - 100 % 0 %
Min. heating valve control during
operation
0 - 100 % 0 %
Pump, DHW, run-on time 0 - 60 min 2 min
Pump, cold water, operating mode: Demand-dependent /
Constant operation
Demand-
dependent
Pump, cold water, run-on time 0 - 60 min 2 min
Pump reheater bank run-on time 0 - 60 min. 2 min.
Cyclical pump start 0:00 - 23:59 h 5:00 h
After hours 2 - 99 h 24 h
After seconds 0 - 99 s 5 s
10.2.7 Pump control
Pump control
DISPLAYSELECTIONEsc BACK
Pump, DHW
Operating mode:
Demand-dependent
PS-01
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