Quote:
Originally Posted by tangofox007
I think it would be more accurate to say that the ACC runs the compressor full time and uses heat to increase the temp as necessary to maintain the selected temp. Except when MIN temp is selected, in which case a hard ground is supplied to the monovalve.
|
Ambient temperature plays into what's happening. If the outside air vent is open, the circulating fan is running in medium or low speed, and the ambient temps are low, the compressor will be cycling as well due to the coil being cold enough to trip the evap temperature sensor.
If the cabin temp is not reached (too hot for the setpoint) and the compressor is commanded on, the monovalve is held closed until the ACC goes into temp regulation mode.