Quote:
Originally Posted by Matt L
If the fan turns backwards, it will actively restrict airflow through the condenser right when the pushbutton unit demands airflow. This will cause the head pressure to rise.
The pressure transducer in the receiver should turn the compressor off before anything vents, however.
As for your problem, 210's have warm left-side vents when the refrigerant gets low. This is a very well-known problem. If you get very low, the right side will still be cold, while the left side blows ambient temperature. Don't ask me why, because I do not know.
Be sure to connect a gauge to the high side if you decide to add any - don't rely entirely on the climate control high side reading.
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Right. All I did was reverse the polarity on the fan and they're working fine. Thanks.
But, I'm not clear on the a/c thing. I understand never to add to the high side. How exactly will I tell the high side and low side? Will it be obvious?