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  1. #1

    Is there a connection between undersized line sets and compressor failure?

    Hello,

    I have an almost 3 year old Fedder heat pump. It stopped working in a few months ago. The compressor burnt out twice. The repairman told me he didn't know what happened to it. He said that the refriderant lines were contaminated. Anyways, I checked the manual and the line sets that are required are either 5/15 & 5/8 (for 15 feet) or 3/8 & 3/4 (for 25 feet). My lines are the original lines. My home is 22 years old. My current lines are 1/4 and 5/8. Would this cause the compressor to burn out?

    If so, is there a website or book you could recommend that addresses this issue?

    Thanks
    Christy

  2. #2
    Join Date
    Apr 2007
    Posts
    6,285
    How long are you linesets now?

    It could cause many issues from capacity loss, poor oil return...ect.

    If it was a burn out there should have been a cleanup procedure when the compressor was replaced.

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