48
Main parts check
1. Temperature sensor checking
Disconnect the temperature sensor from PCB, measure the resistance value with a tester.
Temperature sensors.
Room temp.(T1) sensor,
Indoor coil temp.(T2) sensor,
Outdoor coil temp.(T3) sensor,
Outdoor ambient temp.(T4) sensor,
Compressor discharge temp.(T5) sensor.
Measure the resistance value of each winding by using the multi-meter.
Содержание MSMBB-12CRDN1-MP0W
Страница 7: ...5 2 2 Part names of Indoor Outdoor units ...
Страница 9: ...7 For MSMBB 12CRDN1 MP0W For MSMBC 18CRDN1 MP0W For MSMBD 22CRDN1 MP5W ...
Страница 13: ...11 MOF1 22CDN1 MP5W ...
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Страница 32: ...30 MOF1 22CDN1 MP5W ...
Страница 36: ...34 9 2 3 Zero crossing detection error diagnosis and solution E2 ...
Страница 39: ...37 supply or 50V 115V power supply the PCB must has problems and need to be replaced ...
Страница 45: ...43 P W N U ...
Страница 46: ...44 N V N W ...