Assortment / System Description

Heat pump application
Heat pump control
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On heat pump versions with reversing valve, the position is based on
configuration by heat pump operating type.
Description Name Default value
Reversing valve activated for
0:Heating
1:Cooling
RvrVlvActv 1:Cooling
The reversing valve is always inactive on device operating mode "Off".
On heat pump versions with reversing valve, the compressor state is based on
configuration by heat pump operating type during changeover.
Description Name Default value
Compressor state during reversing valve changeover
0:Off
1:On
CprStaRvrVlc 0:Off
The heat pump hot gas reheater is enabled for energy recovery on active
dehumidification and simultaneous room heat demand.
It is enabled after a demand request for heating/cooling/dehumidification
based on a configured source availability and state monitoring.
Each compressor is switched on/off for a specific minimum on/off time.
Description Name Default value
Minimum compressor time on TiOnMinCpr 3 min
Minimum compressor time off TiOffMinCpr 3 min
Multiple, different binary heat pump safety switches (open contact) can be
connected. The application switches off the heating pump at device protection
priority if a safety switch is enabled.
Description Name Default value
Enable fault input
0:No
1:Yes
EnFltIn 0:No
Locking is a binary signal to protect heat pump equipment. The application
locks the heat pump if no air flow is available or enables if available.
Reversing valve mode
Compressor state
during changeover
Enable hot gas reheater
Enable heat pump
source
Minimum switch on/off
compressor time
Fault inputs
Locking