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Originally Posted by CivPilot
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Originally Posted by karlak
I believe that all A/C systems actually switch the compressor off at low temperatures (appx 4 degrees C). This is to prevent the moisture that is being 'taken out' of the air from freezing the Aircon system up.
This can be a problem when the temp is hovering around that figure, as when the temp drops the compressor switches off, and 'dumps' even more moisture in the cabin, making the misting worse.
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May I suggest that there is something wrong with your system if that happens as mine has never done that. In fact, I've never even heard of such a thing. I'm sure the compressor switches in and out (most car aircon compressors have a computer controlled "clutch" on the motor to prevent burn out should the system loose coolant) but dumping moisture into the cabin and increasing the misting? Thats a new one on me. |
You would not know that the compressor has switched off. The system will still run the fans and keep the temp to the desired setting, but now using the outside air for cooling/heating.
It normally states in a car manual that the air conditioning/cooling function is disabled at low temperatures. You may have noticed that underneath your car a pool of water forms when the air con is working. This is the moisture that has been produced from cooling the interior of your car. If the outside temp of the vehicle drops too low, this water turns into ice, blocking your system and causing damage- basically you have an ice cube maker.
" May I suggest "
a little search on air con theory on the internet. It is very informative
