91
2455.0 Start hysteresis, cooling, heating/cooling circuit 4
Only in conjunction with a room temperature sensor
(extended cooling mode): Start hysteresis for room
temperature-dependent cooling mode via heating/cool-
ing circuit 4
If the room temperature exceeds the set room temper-
ature by the set temperature differential, cooling is
switched on.
2455.1 Stop hysteresis, cooling, heating/cooling circuit 4
Only in conjunction with a room temperature sensor
(extended cooling mode): Stop hysteresis for room
temperature-dependent cooling mode via heating/cool-
ing circuit 4
If the room temperature falls below the set room tem-
perature by the set temperature differential, cooling is
switched off.
2499 Pump type, heating/cooling circuit 1
2499.0 Pump type, heating/cooling circuit 1
Manufacturer of the circulation pump for heating/cool-
ing circuit 1: Required for processing operating data
from 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 Circulation pump without PWM signal
5 Do not adjust!
2500 Pump type, heating/cooling circuit 2
2500.0 Pump type, heating/cooling circuit 2
Manufacturer of the circulation pump for heating/cool-
ing circuit 2: Required for processing operating data
from 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 Circulation pump without PWM signal
5 Do not adjust!
Parameter group for heating/cooling circuit
2455 Room temperature limit for cooling, heating/cooling circuit 4
6218234
Parameter
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