60
16.5.17. Refrigeration Cycle Abnormality (F24)
Malfunction Decision Conditions:
1. During operation of heating, compressor frequency > Fhrated.
2. During operation of heating, running current: 0.65A < I < 1.65A.
3. During operation of heating, indoor pipe temperature — water inlet temperature < 5
°
C.
Malfunction Caused:
1. Faulty indoor water inlet or indoor pipe temperature sensors.
2. 2/3 way valve closed.
3. Refrigerant shortage (refrigerant leakage).
4. Clogged expansion valve or strainer.
5. Faulty outdoor unit PCB.
6. Poor compression of compressor.
Abnormality Judgment:
Continue 2 times in 20 minutes.
Summary of Contents for WHSD24BE51
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 4 1 2 Main Components 4 2 Outdoor Unit ...
Page 13: ...13 5 Dimensions 5 1 Indoor Unit ...
Page 14: ...14 5 2 Outdoor Unit ...
Page 16: ...16 7 Block Diagram ...
Page 17: ...17 8 Wiring Connection Diagram 8 1 Indoor Unit ...
Page 18: ...18 8 2 Outdoor Unit ...
Page 19: ...19 9 Electronic Circuit Diagram 9 1 Indoor Unit ...
Page 20: ...20 9 2 Outdoor Unit ...
Page 21: ...21 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...
Page 22: ...22 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board ...
Page 23: ...23 10 2 2 Capacitor Printed Circuit Board 10 2 3 Noise Filter Printed Circuit Board ...
Page 71: ...71 17 3 To Remove Pressure Gauge 17 4 To Remove Control Panel ...
Page 72: ...72 17 5 To Remove Electronic Controller Board and Transformer 17 6 To Remove RCCB ...
Page 74: ...74 When reinstall the water pipe use grease or water at the joining ...
Page 79: ...79 18 3 Hydraulic Pump Performance ...
Page 82: ...82 19 2 WH UD24BE5 1 WH UD30BE5 1 ...
Page 83: ...83 ...