107
16.5.15
Outdoor High Pressure Switch Activate (F12)
Malfunction Decision Conditions:
During operation of cooling and heating, when pressure 4.5 MPa and above is detected by outdoor high pressure
switch.
Malfunction Caused:
1 Dust accumulation on the outdoor unit heat exchanger.
2 Air short circuit at outdoor unit.
3 Faulty
water
pump.
4 Insufficient water flow rate in system.
5 Water leak in system.
6 2/3 way valve closed.
7 Clogged expansion valve or strainer.
8 Excessive
refrigerant.
9 Faulty outdoor high pressure sensor and switch.
10 Faulty outdoor unit PCB.
Abnormality Judgment:
Continue 4 times in 20 minutes.
Содержание WH-SXC16F9E8
Страница 28: ...28 10 1 2 Solar Printed Circuit Board Optional ...
Страница 46: ...46 57 C 57 C 57 C 57 C ...
Страница 47: ...47 ...
Страница 53: ...53 ...
Страница 54: ...54 ...
Страница 55: ...55 57 C 57 C 50 C 50 C ...