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Thread: Hayward Dual Speed Wiring B979 to B2979

  1. Back To Top    #1

    Join Date
    May 2016
    Location
    Pearland, TX
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    1

    Hayward Dual Speed Wiring B979 to B2979

    My old pump has 4 wires: Green(ground), Red on connection 4, Blue on 2, and Black on 1.

    My new pump: Green (ground), L1, L2, A.

    I think the connection should be Blue on L1, Black on L2, and Red on A.

    Does this sound right?

    Thanks,

    stxpoolguy
    20,000gal, in ground, Hayward super pump II, Century B2979 2.0-2.5 HP motor, (4) C-7490 Cartridge Filters

  2. Back To Top    #2
    mas985's Avatar
    Join Date
    May 2007
    Location
    Pleasanton, CA
    Posts
    11,489

    Re: Hayward Dual Speed Wiring B979 to B2979

    There should be a wiring diagram on the motor label that you can follow.
    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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