75
15.1.1 Relationship between the condition of the air conditioner and pressure and
electric current
Cooling Mode
Condition of the
air conditioner
Low Pressure
High Pressure
Electric current during operation
Insufficient refrigerant
(gas leakage)
Ô
Ô
Ô
Clogged capillary tube or
strainer
Ô
Ô
Ô
Short circuit in the indoor unit
Ô
Ô
Ô
Heat radiation deficiency
of the outdoor unit
Ò
Ò
Ò
Inefficient compression
Ò
Ô
Ô
• Carry out the measurement of pressure, electric current, and temperature fifteen minutes after an operation is started.
15.1.2 Diagnosis methods of a malfunction of a compressor
Nature of fault
Symptom
Insufficient compressing of a compressor
• Electric current during operation becomes approximately 20% lower than the normal value.
• The discharge tube of the compressor becomes abnormally hot (normally 70°C to 90°C).
• The different between high pressure and low pressure becomes almost zero.
Locked compressor
• Electric current reaches a high level abnormally, and the value exceeds the limit of an
ammeter. In some cases, a breaker turns off.
• The compressor has a humming sound.
Содержание CS-C12MKV
Страница 12: ...12 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...
Страница 13: ...13 5 Dimensions 5 1 Indoor Unit 5 1 1 CS C9MKV CS C12MKV ...
Страница 14: ...14 5 1 2 CS C18MKV CS C24MKV CS C28MKV ...
Страница 15: ...15 5 2 Outdoor Unit 5 2 1 CU C9MKV 5 2 2 CU C12MKV ...
Страница 16: ...16 5 2 3 CU C18MKV CU C24MKV CU C28MKV ...
Страница 17: ...17 6 Refrigeration Cycle Diagram ...
Страница 18: ...18 7 Block Diagram 7 1 1 CS C9MKV CU C9MKV CS C12MKV CU C12MKV ...
Страница 19: ...19 7 1 2 CS C18MKV CU C18MKV CS C24MKV CU C24MKV ...
Страница 20: ...20 7 1 3 CS C28MKV CU C28MKV ...
Страница 26: ...26 9 Electronic Circuit Diagram 9 1 CS C9MKV CU C9MKV ...
Страница 27: ...27 9 2 CS C12MKV CU C12MKV ...
Страница 28: ...28 9 3 CS C18MKV CU C18MKV ...
Страница 29: ...29 9 4 CS C24MKV CU C24MKV ...
Страница 30: ...30 9 5 CS C28MKV CU C28MKV ...
Страница 31: ...31 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board 10 1 1 1 CS C9MKV CS C12MKV ...
Страница 32: ...32 10 1 1 2 CS C18MKV CS C24MKV CS C28MKV ...
Страница 34: ...34 10 1 6 Human Activity Sensor Printed Circuit Board ...
Страница 46: ...46 12 1 2 Cooling Operation Time Diagram For CS C18MK CU C18MK CS C24MK CU C24MK and CS C28MK CU C28MK ...
Страница 48: ...48 12 2 2 Soft Dry Operation Time Diagram For CS C18MK CU C18MK CS C24MK CU C24MK and CS C28MK CU C28MK ...
Страница 77: ...77 Figure 3 Figure 4 16 1 1 3 To remove discharge grille Figure 5 ...
Страница 79: ...79 Figure 9 Figure 10 ...
Страница 81: ...81 16 2 1 3 To remove power electronic controller Figure 13 Figure 14 Figure1 5 ...
Страница 83: ...83 Figure 19 Figure 20 Figure 21 ...
Страница 85: ...85 16 3 1 3 To remove power electronic controller Figure 24 Figure 8 Figure 9 ...
Страница 87: ...87 Figure 30 Figure 31 Figure 32 ...
Страница 88: ...88 17 Technical Data 17 1 Thermostat Characteristics Cooling Soft Dry ...