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Thread: Need help with DIY pool solar design

  1. #21
    Junior Member
    Join Date
    Sep 2011
    Location
    Mayan Riviera, Mexico
    Posts
    9

    Default

    Hello everyone.

    Well, my solar heating system is up and running and seems to be working ok. I had to replace my 3/4hp pump, so I put in a Pentair Intelliflo; amazing pump. I am waiting for a flow meter to arrive to I can test the flow into the solar collectors, but in the meantime I have a question. There are no leaks on the roof from any of the connections, unions, etc., but I am getting air bubbles from the return in the pool. Also, I can hear the water gurgling in the hot return pipe on the roof. Any idea why? There is plenty of flow on the cold supply to the roof (you can feel it in the pipe), but have much less flow and gurgling on the hot side. Is that just the way it is after coming out of the coil collectors?

    Any ideas?

    Thanks,
    Dave

  2. #22
    Administrator
    Join Date
    Feb 2011
    Location
    Annapolis Md
    Posts
    6,215

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    How hot is the water coming out very hot or just a few degrees above the inlet?
    Does the return to the pool come out above the water line or does it tie back into the pool returns?
    Rich
    WWW.solarsaves.net

    NABCEP certified Technical Sales Professional

    http://www.solarpaneltalk.com/showth...Battery-Design

    http://www.calculator.net/voltage-drop-calculator.html (Voltage drop Calculator among others)

    www.gaisma.com

  3. #23
    Junior Member
    Join Date
    Sep 2011
    Location
    Mayan Riviera, Mexico
    Posts
    9

    Default

    The solar heat is plumbed into the pool plumbing. I have not checked the exact temp. of the collector water as there is no simple way to do that. I assume it is fairly hot as the pool is warming up, although it still needs some tweaking, hence why I ordered a flow meter to check flow heading into the collectors.

    Dave

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