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  1. #1
    Join Date
    Feb 2008
    Location
    Souderton, PA
    Posts
    14
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    Geothermal compressor failure-problem with replacement

    I have a question and am wondering if anyone else has run into this. My knowledge on geo is very limited so bear with me. Would post this in professional thread but that isn't an option right now. Have you run into replacing scroll compressors with piston type as per manufacturer recommendations? Sort of creates its own set of problems (refrigerant connections). Normal? Common?
    Just wondering. Thanks in advance.

  2. #2
    Join Date
    Mar 2007
    Location
    Cedar Rapids, Iowa
    Posts
    126
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    Have never replaced a scroll with a piston. Have replaced plenty Bristol twin singles with unloading scrolls.

    Bergy

  3. #3
    Join Date
    Mar 2003
    Posts
    7,338
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    There was a push to use scrolls for this and this caused many issues. In some cases, scrolls were not available in the exact size needed, and at start up, they would trip low pressure switch under certain conditions. This led to development of logic to bypass the low pressure switch for a time period, usually two minutes at startup. without this, compressors were beating themselves up. In other cases, the compressors just weren't getting enough suction gas for proper cooling, again causing problems. In some of these instances, it became apparent that recips were the solution for whatever reason. Repiping is necessary. Of course, if you are not on good terms with the factory, they wont tell you any of this stuff. I would always try to figure out why your pump failed before turning a second one loose on the same system......

  4. #4
    Join Date
    Jan 2015
    Posts
    1
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    Our compressor went out in our Water Furnace Premier 2...2 stage geothermal unit....they are telling me that they do not make the compressor any longer...is this a racket or what??
    They will be happy to replace our unit with they're new 5 and the cost is only $16,000.00....After originally paying $14,000.00 for the Premier and another $3,000.00 in repairs over the years...I am hoping someone has a better unit idea, or a compressor....I am ready to sue this company to the bone and really fed up with them!!! Any Help out here???

  5. #5
    Join Date
    Oct 2010
    Location
    Anderson, South Carolina, United States
    Posts
    8,577
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    Quote Originally Posted by Rocky24 View Post
    Our compressor went out in our Water Furnace Premier 2...2 stage geothermal unit....they are telling me that they do not make the compressor any longer...is this a racket or what??
    They will be happy to replace our unit with they're new 5 and the cost is only $16,000.00....After originally paying $14,000.00 for the Premier and another $3,000.00 in repairs over the years...I am hoping someone has a better unit idea, or a compressor....I am ready to sue this company to the bone and really fed up with them!!! Any Help out here???
    I'm sure there's a compressor that will work. Call another contractor. Need to find out what caused the failure.

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