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  1. #1
    Join Date
    Jan 2013
    Dyersburg, TN
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    Possible air in ground loop

    How do y'all purge air from system. I got a 1600 gpm pump that feeds three wings of a school. We add a gym that has about 100 tons of cooling. We are not get any water up there. This is a engineered job. FYI we upgraded to a larger pump like specs said. We have done everything trying to found the problem. I believe it could be air. The pump is pumping 1200 gpm. 400 short of design. Any suggestions

  2. #2
    Join Date
    Dec 2008
    South Jordan Utah
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    Can you isolate subfields and purge them one at a time?

    We do 400 loop projects, but we purge them 15 loops at a time.
    Dewayne Dean

    See my live system data here:

    We Heat and Cool with Dirt

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