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I have a tempstar central heat and air unit and i need a wire diagram for a model pa5548aka4.

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My tempstar central a/c unit will not get above 80 degrees during the day, the charge is fine so we are told, we noticed that the coils and fins are filthy and we have done everything to try to clean it out with a fin tool, fin brush and coil spray and there is still junk in it. we cannot remove it and clean it outside as i would love to do; its too involved to do that so we are trying to clean it in its place we have also sprayed it with a water hose and an air compressor, although it helped some i can still see gunk in it. my coils are on the bottom end of my inside unit. any advice on what else can be done to clean it well? my unit is only 7 years old. also i was told that i need to set my blower to high speed how do i do this and where is it located? thanks for any help or advice. my e-mail is

Posted on Jul 13, 2011

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