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17.5.15. Outdoor High Pressure Switch Activate (F12)
Malfunction Decision Conditions:
During operation of cooling and heating, when pressure 4.5MPa 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.
Summary of Contents for WH-SDC07C3E5
Page 17: ...17 4 Location of Controls and Components 4 1 Indoor Unit 4 1 1 Location of Control ...
Page 18: ...18 ...
Page 19: ...19 ...
Page 20: ...20 4 1 2 Weekly Timer Setting ...
Page 21: ...21 4 1 3 Setting Up The Special Functions ...
Page 22: ...22 4 1 4 Main Components 4 2 Outdoor Unit ...
Page 23: ...23 5 Dimensions 5 1 Indoor Unit ...
Page 24: ...24 5 2 Outdoor Unit 5 2 1 WH UD07CE5 A WH UD09CE5 A ...
Page 25: ...25 5 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...
Page 27: ...27 ...
Page 28: ...28 7 Block Diagram 7 1 WH UD07CE5 A WH UD09CE5 A ...
Page 29: ...29 7 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...
Page 30: ...30 8 Wiring Connection Diagram 8 1 Indoor Unit 8 1 1 WH SDC07C3E5 WH SDC09C3E5 ...
Page 31: ...31 8 1 2 WH SDC12C6E5 WH SDC14C6E5 WH SDC16C6E5 ...
Page 32: ...32 8 2 Outdoor Unit 8 2 1 WH UD07CE5 A WH UD09CE5 A ...
Page 33: ...33 8 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...
Page 34: ...34 9 Electronic Circuit Diagram 9 1 Indoor Unit 9 1 1 WH SDC07C3E5 WH SDC09C3E5 ...
Page 35: ...35 9 1 2 WH SDC12C6E5 WH SDC14C6E5 WH SDC16C6E5 ...
Page 36: ...36 9 2 Outdoor Unit 9 2 1 WH UD07CE5 A WH UD09CE5 A ...
Page 37: ...37 9 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...
Page 38: ...38 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...
Page 39: ...39 10 1 2 Solar Printed Circuit Board Optional ...
Page 40: ...40 10 2 Outdoor Unit 10 2 1 WH UD07CE5 A WH UD09CE5 A 10 2 1 1 Main Printed Circuit Board ...
Page 41: ...41 10 2 1 2 Capacitor Printed Circuit Board 10 2 1 3 Noise Filter Printed Circuit Board ...
Page 42: ...42 10 2 2 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A 10 2 2 1 Main Printed Circuit Board ...
Page 43: ...43 10 2 2 2 Capacitor Printed Circuit Board 10 2 2 3 Noise Filter Printed Circuit Board ...
Page 66: ...66 Solar Priority is Set Solar Priority is Not Set ...
Page 69: ...69 Heat Tank Heating No Priority Solar Priority Set ...
Page 70: ...70 Heat Tank Heating No Priority Solar Priority Not Set ...
Page 80: ...80 Solar Priority Not Set Heat Tank Mode Heating Priority Set ...
Page 81: ...81 Tank Mode Solar Priority Set Solar Priority Not Set ...
Page 129: ...129 18 3 To Remove Pressure Gauge 18 4 To Remove Control Panel ...
Page 130: ...130 18 5 To Remove RCCB 18 6 To Remove Transformer and Electronic Controller Board ...
Page 155: ...155 19 4 Hydraulic Pump Performance 07C3 09C3 12C6 14C6 16C6 ...
Page 158: ...158 20 2 WH UD07CE5 A WH UD09CE5 A ...
Page 159: ...159 ...
Page 162: ...162 20 3 WH UD12CE5 A WH UD14CE5 A WH UD16CE5 A ...
Page 163: ...163 ...