89
17.5.4. Compressor Low Pressure Protection (H42)
Malfunction Decision Conditions:
During operation of heating and after 5 minutes compressor ON, when outdoor pipe temperature below -29
°
C or above 26
°
C is
detected by the outdoor pipe temperature sensor.
Malfunction Caused:
1. Dust accumulation on the outdoor unit heat exchanger.
2. Air short circuit at outdoor unit.
3. 2 way valve partially closed.
4. Faulty outdoor unit fan motor.
5. Refrigerant shortage (refrigerant leakage).
6. Clogged expansion valve or strainer.
7. Faulty outdoor pipe temperature sensor.
8. Faulty outdoor unit main PCB (main).
Содержание WH-UD07CE5-A
Страница 16: ...16 4 Location of Controls and Components 4 1 Indoor Unit 4 1 1 Location of Control ...
Страница 17: ...17 ...
Страница 18: ...18 ...
Страница 19: ...19 4 1 2 Weekly Timer Setting ...
Страница 20: ...20 4 1 3 Setting Up The Special Functions ...
Страница 21: ...21 4 1 4 Main Components 4 2 Outdoor Unit ...
Страница 22: ...22 5 Dimensions 5 1 Indoor Unit ...
Страница 23: ...23 5 2 Outdoor Unit 5 2 1 WH UD07CE5 A WH UD09CE5 A ...
Страница 24: ...24 5 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...
Страница 26: ...26 ...
Страница 27: ...27 7 Block Diagram 7 1 WH UD07CE5 A WH UD09CE5 A ...
Страница 28: ...28 7 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...
Страница 29: ...29 8 Wiring Connection Diagram 8 1 Indoor Unit 8 1 1 WH SDF07C3E5 WH SDF09C3E5 ...
Страница 30: ...30 8 1 2 WH SDF12C6E5 WH SDF14C6E5 WH SDF16C6E5 ...
Страница 31: ...31 8 2 Outdoor Unit 8 2 1 WH UD07CE5 A WH UD09CE5 A ...
Страница 32: ...32 8 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...
Страница 33: ...33 9 Electronic Circuit Diagram 9 1 Indoor Unit 9 1 1 WH SDF07C3E5 WH SDF09C3E5 ...
Страница 34: ...34 9 1 2 WH SDF12C6E5 WH SDF14C6E5 WH SDF16C6E5 ...
Страница 35: ...35 9 2 Outdoor Unit 9 2 1 WH UD07CE5 A WH UD09CE5 A ...
Страница 36: ...36 9 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...
Страница 37: ...37 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...
Страница 38: ...38 10 1 2 Solar Printed Circuit Board Optional ...
Страница 39: ...39 10 2 Outdoor Unit 10 2 1 WH UD07CE5 A WH UD09CE5 A 10 2 1 1 Main Printed Circuit Board ...
Страница 40: ...40 10 2 1 2 Capacitor Printed Circuit Board 10 2 1 3 Noise Filter Printed Circuit Board ...
Страница 41: ...41 10 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A 10 2 2 1 Main Printed Circuit Board ...
Страница 42: ...42 10 2 2 2 Capacitor Printed Circuit Board 10 2 2 3 Noise Filter Printed Circuit Board ...
Страница 65: ...65 Under solar priority is not set condition solar 3WV only can ON during heating heat up interval ...
Страница 73: ...73 ...
Страница 74: ...74 ...
Страница 120: ...120 18 3 To Remove Pressure Gauge 18 4 To Remove Control Panel ...
Страница 121: ...121 18 5 To Remove RCCB 18 6 To Remove Transformer and Electronic Controller Board ...
Страница 138: ...138 20 2 WH UD07CE5 A WH UD09CE5 A ...
Страница 139: ...139 ...
Страница 142: ...142 20 3 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...
Страница 143: ...143 ...