89
16.5.23 Refrigeration Cycle Abnormality (F24)
Malfunction Decision Conditions:
1 During operation of heating, compressor frequency > Frated.
2 During operation of heating, running current: 0.65A < I < 1.65A.
3 During operation of heating, indoor refrigerant liquid temperature - water inlet temperature < 5°C.
Malfunction Caused:
1 Faulty water inlet or indoor refrigerant liquid temperature sensors.
2 3 way valve closed.
3 Refrigerant shortage (refrigerant leakage).
4 Clogged expansion valve or strainer.
5 Faulty outdoor unit PCB (main).
6 Poor compression of compressor.
Abnormality Judgment:
Continue 2 times in 20 minutes.
Summary of Contents for WH-SHF09D3E5
Page 10: ...10 4 Location of Controls and Components 4 1 Indoor Unit 4 1 1 Location of Control ...
Page 11: ...11 ...
Page 12: ...12 ...
Page 13: ...13 4 1 2 Weekly Timer Setting ...
Page 14: ...14 4 1 3 Setting Up the Special Functions ...
Page 15: ...15 4 1 4 Main Components 4 2 Outdoor Unit ...
Page 16: ...16 5 Dimensions 5 1 Indoor Unit ...
Page 17: ...17 5 2 Outdoor Unit ...
Page 19: ...19 ...
Page 20: ...20 7 Block Diagram ...
Page 21: ...21 8 Wiring Connection Diagram 8 1 Indoor Unit 8 1 1 WH SHF09D3E5 ...
Page 22: ...22 8 1 2 WH SHF12D6E5 ...
Page 23: ...23 8 2 Outdoor Unit ...
Page 24: ...24 9 Electronic Circuit Diagram 9 1 Indoor Unit 9 1 1 WH SHF09D3E5 ...
Page 25: ...25 9 1 2 WH SHF12D6E5 ...
Page 26: ...26 9 2 Outdoor Unit ...
Page 27: ...27 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...
Page 28: ...28 10 1 2 Solar Printed Circuit Board Optional ...
Page 29: ...29 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board ...
Page 30: ...30 10 2 2 Capacitor Printed Circuit Board 10 2 3 Noise Filter Printed Circuit Board ...
Page 53: ...53 ...
Page 102: ...102 17 3 To Remove Pressure Gauge 17 4 To Remove Control Panel ...
Page 103: ...103 17 5 To Remove RCCB ELCB 17 6 To Remove Transformer and Electronic Controller Board ...
Page 110: ...110 19 2 WH UH09DE5 WH UH12DE5 ...
Page 111: ...111 ...