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  1. #1
    Join Date
    Oct 2007
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    Confused Another mystery for me

    I replaced a compressor on a practically new (about 2 years old) carrier heat pump recently. I found it strange (to me anyway) that this unit had 2 filter driers installed on the liquid line. It appeared that the one located between reversing valve and compressor was factory installed, but then there was a field installed filter drier just past the liquid access port. I checked others as we have around 80 units on this property and every one I checked had 2 liquid line driers.
    I have always used a bi flow liquid line filter drier just past the liquid line access valve when one was not factory installed, never if one was already installed from the factory. Am I missing something.

  2. #2
    Join Date
    Mar 2007
    Myrtle Beach, SC
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    The drier on the hot gas line between the reversing valve and the compressor is actually a muffler and not a drier.
    Remember, Air Conditioning begins with AIR.

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