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Service Manual -
VMH 9/12/18/24 SU & VMH30/36S D Series
46
49
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.(TP) sensor.
Measure the resistance value of each winding by using
a
multi-meter.