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Thread: Best Solar collector configuration?

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    Best Solar collector configuration?

    Hi - my first post. Am adding solar to our IG pool. Have already bought everything I need (ebay rocks). 320 sf of Fafco horizontal collectors (16 - 2x20 panels), GoldLine controller, pipe, and fittings. Building two 22x9 racks. Racks are 45 feet from the pump.

    The only decision I am struggling with is with the two racks. Is it better to have the cold water from the pool flow from one panel to the other and then back to the pool, or have the water flow into each rack separately and then join together after its heated and back into the pool?

    Also, one hint that I picked up in my research that many may know - make sure you are not sending 100% of your water from the pump through the collectors (if you are using typical flat plastic panels). This can cause premature damage to the collectors as they are designed for quite low pressure (I think max 8PSI). You should have a ball valve in front of your solar controller valve that will throttle the amount of water that you divert to the solar collectors.

    Thanks

    22x36 Rainbow IG vinyl pool
    Spillover Spa
    Really big slide that I paid way too much for but the kids love it (and me too)
    SW generator
    1.5 hp Hayward pump
    Gas Heater

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    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,887

    Re: Best Solar collector configuration?

    Welcome to TFP!

    You want to plumb all the panels in parallel, ie water should go from the pool to all of the panels at the same time and then from each panel output directly back into the pool.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Re: Best Solar collector configuration?

    Hoboat,

    I am considering buying Fafco panels in the near future. Where did you buy it from? Was it online? Thanks in advance.

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    Re: Best Solar collector configuration?

    I bought mine on eBay from solar discounters. Their site is solar-discounters.com and solar-discounter.ca

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