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  1. #1
    Join Date
    Dec 2007
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    armstrong heat pump problem

    i am a service tech with a problem with a 12yr old armstrong heat pump the condesor coil freezes up from time to time gauge presures are l=25 h = 315 could it be the expansion valves if so wich one is bad condesor or evaprator ive changed the defrost bd thinking this may be the problem mostly in the past i worked on orfice systems not txv.
    Last edited by discount; 12-09-2007 at 11:52 AM.

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