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FOR INSTALLERS AND PROFESSIONALS
APPENDIX 3: HEATING PRIORITY WIRING DIAGRAM (OPTIONAL)
Parallel connection with ltration timer
If the user wants to connect the water pump timer, the installer should connect water pump
timer and water pump wiring of heat pump in parallel. So that water pump can start when water
pump timer or water pump wiring of heat pump is connected, and water pump will only be
switched off when both are disconnected at the same time.
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