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