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The pipes in my central air unit are frozen. I shut down the system and after 24hrs I turned it on but still the pipes are getting frozen.

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You are low on refrigerant(R-22 Freon) in some cases and the evaporator coil needs cleaning

Posted on Sep 12, 2009

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Could be a couple things. Either your filter is to dirty to allow enough air across the evaporator coil, the evaporator coil is dirty, or your low on freon. When you start it up check and see if the larger of the two interconnecting tubing from the inside to the outside is cold or just ambient temp. if its cold you most likley have an air resrtiction, if its not cold then its most likely low on charge.

Posted on Sep 12, 2009

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