Basic Test Procedure; Defective Compressor - Midea PD Series Manual

9 Basic test procedure

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9.1 Defective compressor

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Compressors are single phase, depending on the model unit. All compressor motors are permanent split
capacitor type using only a running capacitor across the start and run terminal.
All compressors are internally spring mounted and externally mounted on rubber isolators.
9.1.1 Compressor wiring test
Remove compressor terminal box cover and disconnect wires from terminals. Using an
ohmmeter, check continuity across the following:
Terminal "C" and "S" - no continuity
- Open winding - replace compressor.
Terminal "C" and "R" - no continuity
- Open winding - replace compressor.
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