Condenser High Temperature Protection - Westinghouse WPAXH-060CA4 Service Manual

WESTINGHOUSE PACKAGE A/C MANUAL

7) Condenser high temperature protection

Is the electric resistance of condenser high temp
sensor answer for Appendix 1?
Check: Heat dispersion function of outdoor heat exchanger is unqualified:
For example, the heat exchanger is dirty, air-outlet and air-back line is
short-circuited, outdoor fan stops running or air speed is over-low, inlet
and outlet air is blocked in heat exchanger, etc.
Check: There is air or nitrogen in system (air comes from the incomplete
vacuum drying, and nitrogen is caused by directly pressurizing to ball
valve), symptom: Pressure value of high/low is high, discharge and suction
temperature is high, current is large, there may be abnormal noise in
compressor, pressure gauge is jittering.
Check: System liquid side pipeline is blocked, for example, pipe is
squashed or body of valve is blocked, or stop valve has not been opened
(this situation often happens under high-pressure protection firstly).
Replace the Outdoor PCB.
Yes
No
No
No
R-410A : 220V: 60Hz
No
Replace the sensor
Yes
Remove the problem
Yes
Remove the problem
Yes
Remove the problem
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