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Old 12-12-2013, 10:02 AM   #61
Mikem53
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Quote:
Originally Posted by Suberman View Post
Not only that but the compressor doesn't run at all in cold weather because the evaporator would freeze up. Plus 3C or about 40F is the lowest temperature at which the AC can operate. There's an anti frost switch which opens at that temperature and disconnects the drive pulley from the compressor.
Evaps freeze up because they lack airflow or are low on freon not because of ambient temps .. The reason the AC doesn't run below a certain temp is to protect the compressor. The thick cold freon/oil can damage the compressor and internal valves..
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