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Thread: Program heater times on the Suntouch?

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    kevreh's Avatar
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    Jun 2007
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    Annandale, VA
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    398

    Program heater times on the Suntouch?

    I have a Suntouch setup for single body (pool). Basically, I want to be able to set a Schedule for the heater so it only comes on a couple of hours a day, say 3-5pm. Granted this would have to be within the same time as the main pump. Even if it was programmed wrong, the power to the heater is connected with the pump so it wouldn't be able to come on before or after the pump.

    Is this possible?
    16x32 Concrete IG
    Equipment: Carvin 525sf Cartridge Filter, Jandy Gas Heater, Vortex Solar Panels w/solar valve, 1hp Hayward Pump with 3/4 HP AO Smith 2 Speed Replacement Motor, Aquarite Saltwater Cell, Polaris 280 Dolphin Active 20 Robot
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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    37,879

    Re: Program heater times on the Suntouch?

    Yes, and no. Normally the heater will run any time the water is below the target temperature and the pump is on. There is no provision for any further control.

    However, there is a way to over-ride that, but it requires a spare relay and some minor rewiring. What you would do is run the existing heater control wire through an aux relay, so the heater will only come on when that relay is on. Then you can program a schedule for that aux circuit to limit when the heater comes on.
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