Heat Exchanger (Hex) Protection Control - Panasonic WH-MXC16G9E8 Service Manual

13.2

Heat Exchanger (HEX) Protection Control


Start Condition:
- When outdoor ambient temperature is less than 10°C.

Control Details:
- Heater will turn ON and heat pump turn OFF when water inlet temperature below 10°C.
- Heater will turn OFF and heat pump turn ON when water inlet temperature increase more than 12°C.

End Condition:
- When outdoor ambient temperature is more than 13°C.
However this control will take place 29 minutes after compressor restart.
Water Inlet
(Compressor ON,
10°C
Deice (Compressor OFF,
Free Zone
Heater OFF)
Heater ON)
79
12°