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Water to Water Geothermal heat pump replacement with lp boiler

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Comments

  • mattmia2
    mattmia2 Member Posts: 13,943

    a clamp on probe will get you the temps. the pressure is less important, the temps in different places will tell you a lot about the flow. I'd pull one of the circulators with the isolation valves and see if there is a flow check in the circulator. If there is and it is undamaged and you are getting ghost flow you have problems with the way the circulator for the zones and the circulator for the heat pump are connected together.

  • hot_rod
    hot_rod Member Posts: 25,544

    It’s hard to beat eyes on the ground. Hopefully you have a knowledgable hp expert on the way.

    You have a good list of questions here to get answers for.

    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
  • DCContrarian
    DCContrarian Member Posts: 1,219
    https://forum.heatinghelp.com/discussion/comment/1863356#Comment_1863356

    Please report back if he figures it out. Inquiring minds want to know!

  • RayWohlfarth
    RayWohlfarth Member Posts: 1,805

    That is outside my wheelhouse but I will look around and see if I could find someone I would contact Water Furnace and ask their input and suggestions for a technician. Here is a link to their dealers close by. Water Furnace

    Ray Wohlfarth
    Boiler Lessons
  • klowden
    klowden Member Posts: 20

    I called and talked to a rep from Water Furnace and he directed and recommended me to a company. They are out of Latrobe which is relatively close to me. I contacted them about stopping out so I'm crossing my fingers and hoping they actually follow through.

    pecmsgGGross
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 18,428

    Hopefully he recommended someone good. I think WF is pretty good stuff.

    Let us know how you make out.

  • BigRob
    BigRob Member Posts: 327

    Were you able to calculate gallons per minute at 8 dt? you can see how much heat you were extracting.

  • klowden
    klowden Member Posts: 20

    Supposed to be meeting next week. Will update once they assess the current system.

  • leonz
    leonz Member Posts: 1,563

    How close are the drilled grouted wells to each other?????????????????????????????????????????????????????

    When you said three 180 foot deep wells piped in series that struck me as very odd. These drilled wells were apparently drilled and had a looped drop pipe system installed with the "so called "geothermally enhanced" clay grout that acts as an insulator rather than an open loop system.

    You may have one problem which could simply be the 3 wells are too close together and cannot shed the heat or reclaim enough cold from the surrounding ground-go figure-due too shallow a depth.

    The driller that did this did you no favors as a 600 foot deep open loop cased well with a six inch pipe cap on the first pipe joint with a marine concrete plug in the last 10 feet of the casing would have given you almost 590 feet of water column for heat exchange with a single drop pipe set in 200 feet of water column.

  • klowden
    klowden Member Posts: 20

    I just looked at the drilling information from the driller. Cores were 180' deep all shale and limestone and a little coal. He sealed with benseal. 3/4" pipe. All wells are 17' apart. He laid them out in a triangle.

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