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54
15.1.1.
Relationship between the condition of the air conditioner and pressure and electric
current
• Carry out the measurements of pressure, electric current, and temperature fifteen minutes after an operation is started.
15.1.2.
Diagnosis methods of a malfunction of a compressor
Cooling Mode
Condition of the air
conditioner
Low Pressure
High Pressure
Electric current during operation
Insufficient refrigerant
(gas leakage)
Clogged capillary tube or
Strainer
Short circuit in the indoor unit
Heat radiation deficiency of the
outdoor unit
Inefficient compression
Nature of fault
Symptom
• Electric current during operation becomes approximately 20% lower than the normal value.
Insufficient compressing of a compressor
• The discharge tube of the compressor becomes abnormally hot (normally 70 to 90
°
C).
• The difference between high pressure and low pressure becomes almost zero.
• Electric current reaches a high level abnormally, and the value exceeds the limit of an
ammeter. In some cases, a breaker turns off.
Locked compressor
• The compressor has a humming sound.
Содержание CS-PC12MKF
Страница 10: ...10 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...
Страница 11: ...11 5 Dimensions 5 1 Indoor Unit 5 1 1 CS PC12MKF ...
Страница 12: ...12 5 1 2 CS PC18MKF CS PC24MKF ...
Страница 13: ...13 5 2 Outdoor Unit 5 2 1 CU PC12MKF CU PC18MKF ...
Страница 14: ...14 5 2 2 CU PC24MKF ...
Страница 15: ...15 6 Refrigeration Cycle Diagram ...
Страница 16: ...16 7 Block Diagram 7 1 CS PC12MKF ...
Страница 17: ...17 7 2 CS PC18MKF CS PC24MKF ...
Страница 21: ...21 9 Electronic Circuit Diagram 9 1 CS PC12MKF CU PC12MKF ...
Страница 22: ...22 9 2 CS PC18MKF CU PC18MKF ...
Страница 23: ...23 9 3 CS PC24MKF CU PC24MKF ...
Страница 24: ...24 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board 10 1 1 1 CS PC12MKF ...
Страница 25: ...25 10 1 1 2 CS PC18MKF CS PC24MKF ...
Страница 32: ...32 11 2 5 Wire Stripping And Connecting Requirement ...
Страница 56: ...56 16 1 1 3 To remove Discharge Grille ...
Страница 57: ...57 16 1 1 4 To remove Control Board 16 1 1 5 To remove Cross Flow Fan and Indoor Fan Motor ...
Страница 58: ...58 ...
Страница 60: ...60 16 2 1 3 To remove Discharge Grille ...
Страница 61: ...61 16 2 1 4 To remove Control Board 16 2 1 5 To remove Cross Flow Fan and Indoor Fan Motor ...
Страница 62: ...62 ...
Страница 63: ...63 17 Technical Data 17 1 Thermostat Characteristics Cooling Soft Dry ...
Страница 71: ...71 17 4 Cooling Capacity Performance Data CS CU PC12MKF 220V ...
Страница 72: ...72 CS CU PC12MKF 240V CS CU PC18MKF 220V ...
Страница 73: ...73 CS CU PC18MKF 240V ...
Страница 74: ...74 CS CU PC24MKF 220V ...
Страница 75: ...75 CS CU PC24MKF 240V ...
Страница 76: ...76 17 5 Sound Data CS PC18MKF ...
Страница 77: ...77 CS PC24MKF ...