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r22a hvac questions
I removed the r22 from a system and charged with three 8 oz cans of r22a. The evaporator coils froze. I removed some of the r22a and it seemed to get better, but the lower side of the coils is still freezing. The system is a trane and the low side is 150 high side 300 I charged at 76 degrees and it only shows 45 on the gage
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