213
18.2.12 High
Pressure
Protection (F31-02)
Malfunction Decision Conditions
•
During operation of cooling and heating, when the outdoor unit high pressure switch is open 4.15MPa and above.
Malfunction Caused
•
Clogged air filter of indoor unit.
•
Dust accumulation on the indoor/outdoor unit heat exchanger.
•
Air short circuit at indoor/outdoor unit.
•
3 way valve closed.
•
Faulty outdoor unit fan motor.
•
Excess
refrigerant.
•
Clogged expansion valve or strainer.
•
Faulty outdoor unit high pressure switch.
•
Faulty outdoor unit PCB (main).
Abnormality Judgment
•
Continue 9 times in 60 minutes.
Troubleshooting
Summary of Contents for S-22KA1E5S
Page 45: ...45 4 1 2 S 56KA1E5 S 63KA1E5 S 71KA1E5...
Page 47: ...47 4 3 95 x 95 Cassette Type Indoor Unit 4 3 1 S 63UA1E5 S 71UA1E5 S 90UA1E5...
Page 48: ...48 4 3 2 S 100UA1E5 S 125UA1E5...
Page 50: ...50 4 5 Low Static Pressure Hide Away Type Indoor Unit 4 5 1 S 45MA1E5 S 56MA1E5...
Page 51: ...51 4 5 2 S 63MA1E5 S 71MA1E5 S 90MA1E5...
Page 52: ...52 4 5 3 S 100MA1E5 S 125MA1E5...
Page 53: ...53 4 6 Outdoor Unit 4 6 1 U 8EA1E8 U 10EA1E5...
Page 54: ...54 5 Refrigeration Cycle Diagram...
Page 58: ...58 7 Wiring Connection Diagram 7 1 Wall Mounted Type Indoor Unit KA1E5 Series...
Page 59: ...59 7 2 60 x 60 Cassette Type Indoor Unit YA1E5 Series...
Page 60: ...60 7 3 95 x 95 Cassette Type Indoor Unit UA1E5 Series...
Page 61: ...61 7 4 Slim Hide Away Type Indoor Unit NA1E5 Series...
Page 62: ...62 7 5 Low Static Pressure Hide Away Type Indoor Unit MA1E5 Series...
Page 63: ...63 7 6 Outdoor Unit EA1E8 Series...
Page 64: ...64 8 Electronic Circuit Diagram 8 1 Wall Mounted Type Indoor Unit KA1E5 Series...
Page 65: ...65...
Page 66: ...66 8 2 60 x 60 Cassette Type Indoor Unit YA1E5 Series...
Page 67: ...67...
Page 68: ...68 8 3 95 x 95 Cassette Type Indoor Unit UA1E5 Series...
Page 69: ...69...
Page 70: ...70 8 4 Slim Hide Away Type Indoor Unit NA1E5 Series...
Page 71: ...71...
Page 72: ...72 8 5 Low Static Pressure Hide Away Type Indoor Unit MA1E5 Series...
Page 73: ...73...
Page 74: ...74 8 6 Outdoor Unit EA1E8 Series...
Page 75: ...75...
Page 77: ...77 9 1 3 Receiver PCB CN DISP 9 1 4 Error Code Display PCB CN CODE...
Page 82: ...82 9 6 2 Inverter PCB CN AC CN RY2 CN RY1 CN FM2 CN COM FG DCN CN FM1 DCP W V U...
Page 231: ...231 19 Operation Range...
Page 233: ...233 21 Outdoor Unit Cooling Heating Capacity and Power Input 21 1 U 8EA1E8...
Page 234: ...234...
Page 235: ...235 21 2 U 10EA1E8...
Page 236: ...236...
Page 302: ...302 27 8 Outdoor Unit U 10EA1E8...