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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 MROHC09AS
Страница 14: ...12 5 Wiring Diagram 5 1 Indoor Unit MWOHC09S MWOHC12S MWOHC18S ...
Страница 15: ...13 MWOHC24S ...
Страница 16: ...14 5 2 Outdoor Unit MROHC09AS MROHC12AS ...
Страница 17: ...15 MROHC18AS ...
Страница 18: ...16 MROHC24AS MROHC09AS MROHC12AS ...
Страница 19: ...17 MROHC18AS ...
Страница 29: ...27 T2 7 C 44 6 F the compressor frequency will not be limited ...
Страница 53: ...51 Take the 9k model as example P V P U ...
Страница 54: ...52 N U P W ...
Страница 55: ...53 N W N V ...