Outdoor Compressor Overheat
The compressor will run all day and never overheat if you keep the thermostat low. If set to normal say 78 degrees will run for one cycle. After system shuts down it will not restart
on the 2nd cooling cycle. Only outside fan runs. Here is what has been done and is driving my air conditioning guys crazy.
The entire outside unit was replaced as the system was 20 years old. High and low pressures are within specs, return suction line feels very cool back into compressor, out pressure line warm.
Heat exchanger coils inside cleaned and show no restrictions and shiny and blower motor cleaned.
When unit runs, vent air temp is between 50 and 55 degrees. Plenty of air flow out of vents.
What we cannot understand is why it will run for hours but not restart on next cycle. If you wet down the compressor with a hose and cool it it will start.
It did this with the old outside unit.
Anyone help ? Thanks