93
16.5.5 Service Valve Error (H27)
Malfunction Decision Conditions:
During cooling operation, when:-
[a] Indoor refrigerant pipe temperature at compressor startup - present indoor refrigerant pipe temperature < 2°C
[b] Present high pressure - high pressure at compressor startup < 5kg/cm²
**Judgment only for first time cooling operation and not during pump down operation.
Malfunction Caused:
1 3 way valves closed.
2 Faulty high pressure sensor.
3 Faulty indoor refrigerant pipe temperature sensor
4 Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue for 5 minutes.
Содержание WH-MHF09G3E8
Страница 32: ...32 10 1 2 Solar Printed Circuit Board Optional ...
Страница 33: ...33 10 2 Refrigerant System 10 2 1 Main Printed Circuit Board ...
Страница 34: ...34 10 2 1 1 Noise Filter Printed Circuit Board ...
Страница 47: ...47 Heat Mode Operation Time Chart ...
Страница 49: ...49 ...
Страница 50: ...50 ...
Страница 56: ...56 ...
Страница 57: ...57 ...
Страница 58: ...58 ...
Страница 127: ...127 17 3 To Remove The Cabinet Rear Plate 17 4 To Remove Pressure Gauge 17 5 To Remove RCCB ...
Страница 134: ...134 6 25 68 30 5 2 9 7 8 4 27 1 3 21 23 26 62 8 75 24 71 49 48 20 13 12 10 11 4 15 77 71 13 15 78 14 ...
Страница 138: ...138 19 2 Water System 44 46 17 16 4 34 42 18 43 3 33 9 1 45 45 47 2 35 48 36 19 ...