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Thread: Jandy and GFI Replacement

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    Jandy and GFI Replacement

    Has anyone replaced their GFI in the control panel and found that the Jandy system power is tied into the GFI along with the pool lights. This makes sense such that if there is an GFI current leak between power and neutral, it will also shutdown all motors as required by code, yet the Jandy manual shows only the lights connected through the GFI. Am I wiring it wrong on the replacement as it now blows everytime. Is there a special GFI type required for pool applications? Suggestions welcome.
    Bob
    My pool is about 30,000 gallon plaster with spa and all Jandy controls/valves
    Chlorine, pool sweep with 3 pumps total, heater, waterfall lagoon style pool
    So CA location

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    JasonLion's Avatar
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    Re: Jandy and GFI Replacement

    Ordinary GFI units are fine.

    It is unusual for the automation system to draw power from the same GFI as the lights, but not unheard of.

    If you hook everything up correctly and nothing is broken then it should work for the main panel to draw power from the GFI used for the lights. Try running just the lights and/or just the panel and see if it still trips. It would be easy for the lights to have a GFI fault, less likely that the panel would, but also possible.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    Re: Jandy and GFI Replacement

    Thanks for the reply. You are correct in that the system power alone does not shutdown the gfi. But either spa or pool lights do. What do you suggest to troubleshoot other than tracing and measuring each line. What do i measure for is my question ~ shorts to ground to common or current. I dont know what resistance to expect between lines since all seem shorted or just have filament resistance?
    Thanks for any ideas.
    Bob
    My pool is about 30,000 gallon plaster with spa and all Jandy controls/valves
    Chlorine, pool sweep with 3 pumps total, heater, waterfall lagoon style pool
    So CA location

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    Sep 2008
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    Silicon Valley, CA
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    Re: Jandy and GFI Replacement

    Make sure that if you are taking the power center off the GFI, to also make sure that the power centers' neutral and ground is also disconnected from the GFI. If left connected will always trip your GFI. The neutral and ground will have to go to their respective buses back in the power center.
    Factory Warranty Station for:
    Jandy/Zodiac, Pentair, Sta-Rite, Raypak, Polaris,
    and Paramount pool cleaning systems.

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