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Thread: Hayward TriStar VS, Pool Pilot Digital, GL-235 and Solar Heating

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    Join Date
    May 2015
    Cape Coral, Florida

    Hayward TriStar VS, Pool Pilot Digital, GL-235 and Solar Heating

    I'm considering adding solar heating to my pool and trying to figure out how everything should be installed. I currently have a 12,000 gallon (400 sqft) pool, Hayward TriStar VS Pump (SP3200VSP), and an Auto Pilot Digital SWG (RC42 Cell). The pump and SWG are controlled by a manual timer.

    I would like to add solar panels with an automatic solar controller (Hayward GL-235)... well I'm going to have a contractor install it. I just want to make sure everything is installed correctly.

    If I understand everything correctly, when the solar controller is not calling for diversion to the solar panels, the pump should be at a lower rpm. However, when flow is being diverted to the solar panels, the solar controller should be able to increase the speed of the pump. Since my pump and SWG are controlled by the timer, how should everything be wired?

    Also, how should the system be plumbed? I assume flow to the solar panels should be after filtration and before the SWG but where should the return from the solar panels go? Before the SWG which would impact the temperature calibration of the cell, or after the SWG?

    Future Pool (Signed Contract): 14,000 Gallon IGP 4.0-6.0 Deep, Pebble Tec, Hayward TriStar VS Pump, Hayward C2000 Cartridge Filter, (3) Hayward LEDs, and AutoPilot 42,000 SWG

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    TFP Guide
    cowboycasey's Avatar
    Join Date
    Jul 2013
    Fletcher, OK

    Re: Hayward TriStar VS, Pool Pilot Digital, GL-235 and Solar Heating

    If they are installing it they should know how to wire it, I would hope The return from solar should come back in before the SWG and after the filter..
    Pool: Intex 16x32 15000 gal, 2 speed 340042, Pentair CC320 Filter, CircuPool SJ45 Salt System, Intermatic PE653RC; Hot Tub: 650 Gal SWG Megachlor
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