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  1. 10-20-2011, 02:57 PM #1
    CMAL
    CMAL is offline New Guest
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    Trane GEVB Water Source Heat Pump Won't Cool

    I live in a high rise condo and my unit has a Trane GEVB04811R commercial water source heat pump. Starting a couple days ago I'd set the thermostat to cooling to 73F but the actual temperature never goes below 77F, with the Trane running on the whole time. I tried putting in a new filter and then flipping the breaker with no improvement. I then removed the top and bottom front panels and nothing looked out of the ordinary.

    What else should I look into or try? Thanks for your input in advance.
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  2. 10-20-2011, 07:05 PM #2
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    jayguy
    jayguy is offline Professional Member
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    you most likely have a water flow restriction (a plugged up strainer). this will require the unit to be shut down, water section isolated and the strainer removed and cleaned.

    i would strongly recommend having a professional perform this service. the water side may have glycol (an antifreeze) in the water loop. this chemical is expensive to replace if you lose too much and can really make a mess.

    it should only take about 1 day or less to perform this service if you have isolation valves. if not, it could take days depending on how much of the system needs to be drained.
    The weak aren't destroyed by the strong.
    The weak are destroyed by the under-estimated.
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  3. 10-21-2011, 02:46 PM #3
    CMAL
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    Thank you very much, Jay
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  4. 11-02-2011, 08:51 PM #4
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    jpsmith1cm
    jpsmith1cm is offline Global Moderator/AOP Committee
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    This is the Ask Our Pro's forum. In order to post advice here, you must have verified qualifications and have been approved by the AOP Committee.

    You can find the rules for posting and qualifications here.
    Last edited by jpsmith1cm; 11-05-2011 at 11:51 AM. Reason: Removed quote
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  5. 11-03-2011, 07:47 PM #5
    Dallas Duster
    Dallas Duster is offline Professional Member*
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    Here I will validate your suggestion.

    Waterflow *
    Last edited by jpsmith1cm; 11-05-2011 at 11:52 AM. Reason: removed non-AOP quote
    UA 100

    It takes three people to do anything around here. Two do the work, one explains to the crowd of people who showed up when they seen smoke and flames.
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  6. 11-03-2011, 09:38 PM #6
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    jpsmith1cm
    jpsmith1cm is offline Global Moderator/AOP Committee
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    Not a problem, james32

    I'm just trying to keep the peace in the AOP forums.

    Also, keep in mind that you still need your * to post in the AOP.

    Also, I'm not trying to invalidate or degrade anyones advice.
    Last edited by jpsmith1cm; 11-05-2011 at 11:53 AM.
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