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A friend has an air cconditioner system that keeps freezing up on the inside,i checked the levels and the unit calls for 350 on the low 300 on the high however he has 350 on the low,50 on the high,what do you think,air movement problem or possibly a restricted line?

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Sounds like the hiside and low side difference is too great.. Spec cited is 350 Low and 300hi with a delta of 50 versus what you are seeing of 350 Low versus 50 High ..delta of 300.. Could be contamination or a leak..

Posted on Sep 05, 2008

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