Electrical Diagnostics - Haier PRCS25E Series Training Manual

COMPRESSOR

Electrical Diagnostics

The compressor is a variable-speed motor controlled through a low
voltage signal to the inverter.
There is no output test to the compressor.
Compressor winding test – approx 6.7Ω between all windings
DO NOT ATTEMPT TO START
COMPRESSOR WITH DIRECT
POWER CONNECTION
COMPRESSER WILL BE DAMAGED
2.5 – 3.5 vdc red to black
115vac black to white
NO TEST POINTS
No power applied until
compressor load is sensed