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6.6.8. - Heat transfer
This is used to transfer energy from one storage to another with a pump.
Settings range: S1-S8, VFS1-2, Active storage/ Default setting: none
6.6.8.1. - ∆ T Heat transfer
Temperature difference for heat transfer function.
When the temperature difference between HT Source and HT Drain reaches ∆T Heat Transfer
On, the relay is switched on. As sson as the difference drops to ∆T Heat Transfer Off, the relay is
switched off again.
On: Settings range: 5-20 K/ Default setting: 8 K
Off: Settings range: 2 K to ∆T Ein / Default setting: 4 K
Special functions
6.6.8.2. - Setpoint
Setpointtemperature of the target storage
When this temperature is detected in the target storage, heat transfer is switched off.
Settings range: 0-90 °C / Default setting: 60°C
6.6.8.3. - HT Tmin
Minimum temperature in source storage to enable the heat transfer
Settings range: 0-90 °C / Default setting: 30°C
6.6.8.4. - HT Source (sensor)
This menu determines the sensor, that is placed in the source storage.
Settings range: S1-S8, VFS1-2, Active storage/ Default setting: none
6.6.8.5. - HT Drain (Target sensor)
This determines the sensor placed in the storage that is receiving energy from the source storage.
Settings range: S1-S8, VFS1-2, Active storage/ Default setting: none
Relay functions
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