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Thread: Two speed pumps - how to control them (timer ?)

  1. #1
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    Talking Two speed pumps - how to control them (timer ?)

    Hi all,

    I am considering replacing my old 1 HP pump (on a timer) with a 2 speed pump (e.g. Pentair WhisperFlo WFDS24) to reduce my electric bill. How do I control that ? Do I need a special 2 speed timer ? Or has the motor 2 plugs ?

    Thanks a lot

    Patrick

  2. #2
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    Default Re: Two speed pumps - how to control them (timer ?)

    I am interested in this as well. It would be nice if you could automate it to run on low speed for X hours and on high speed for Y hours. Anybody know how to do this and with what devices?

  3. #3
    cwstnsko is offline Registered+ Thread Analyst cwstnsko 0
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    Default Re: Two speed pumps - how to control them (timer ?)

    My 2-speed pump has an Intermec 2-dial timer. One turns the pump on and off, the other turns it from high to low. In my installation I really only use the speed switching timer because I run the pump continuously, switching to high speed for a few hours a day to operate the in-floor cleaning.

  4. #4
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    mas985 is offline PF Supporter Whizbang Spinner mas985 3 stars mas985 3 stars mas985 3 stars
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    Default Re: Two speed pumps - how to control them (timer ?)

    I have an Aqualogic controller with a built SWCG controller. It has two time cycles and for 2-speed pumps, the first is for high speed and the second cycle is for low speed. A pretty good set up for 2 speed pumps and a SWCG.
    Mark
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

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