Appendix: Heating Priority (Optional) - welldana 34-180150 Installations- Und Benutzerhandbuch

26 F9
27 Fb
28 FA
XI. Appendix: Heating priority (Optional)
Parallel connection with filtration clock
Note: The installer should connect A parallel with B (as above picture). To start the water
pump, condition A or B is connected. To stop the water pump, both A and B should be
disconnected.
Fan motor failure
Power filter plate No-power protection
PFC module over current protection
A: Water pump timer
B: Water pump wiring of Heat Pump
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