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Low/High Switch wiring for Hayward Superpump

This was a direct replacement for the 2-speed Hayward superpump that we had installed when the pool was built. Nothing different other than having to figure out the low/high speed switch yourself and a change in the input pipe size from 1.5'' to 2.0''. Both motors are AO Smith units, but again the wiring panel is slightly different. I do not have any timer in the system.


Here's what I have:

50amp, GFI 230v, 3-wire connection (2 hot and 1 grd)

Wiring Panel on motor:

Terminal 1
Terminal 2
Terminal 3/4
Grd is separate

Each have a screw and male connector, 3/4 has an additional male connector

Currently wired according to wiring diagram on motor:

115v---------Terminal 1
115v---------Terminal 3
Grd----------Grd

Low/High Swt

White--------Goes inside to motor
Black--------Terminal 3
Yellow-------Terminal 4 (my guess, diagram shows just line with no connection point)

I found a post on a pool site where they have the same pump but have their 230v connections to Terminal 1 & 2. They have high speed only and the same problem of figuring out how to wire the low/high switch.

I understand that you are not reducing voltage to the pump via the switch but are actually changing to a different winding. The switch wiring is baffling to me. I can only get low speed from the pump now which I believe is going through the white/black connection of the switch, flipping the switch to the black/yellow connection shuts off the pump.

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  • Charles Rutherford
    Charles Rutherford Apr 26, 2010

    The motor comes with the L/H switch built in and the old motor worked just fine with the same kind of switch in it but it was wired differently than the new motor.

    I believe you are correct that #1-Common, #2-High, #3/4-Low. I just need to figure out how to switch between the Low/High terminals with the current switch. I will post the motor number later this afternoon.

  • Charles Rutherford
    Charles Rutherford Apr 27, 2010

    Thanks for the help but after diagramming possible solutions to the wiring I was able to come up with the solution. Without getting long winded, the Lines 1&2 do connect to Terminals 1&3/4 then the switch wiring is Black to Terminal 3/4 and Yellow to Terminal 2. This allows you to switch from low to high with the SPDT switch.

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  • Master
  • 1,378 Answers

I do not read anywhere that you have a 230V DPDT switch which you will need in order to select the high or low speed. You will have 6 terminalas on the switch. Line connections usually go to the middle set. Put put sides of one pole to the common terminal and put one of the other posts to the hi and the other to the low terminal. I prefer to use am on-off-on switch so the switch in the middle turns off the pump. Flip it one way for hi and the other for low. If you post your stock number from the two-speed motor I could give you a more accurate diagram if you need it. Generally, 1 is common, 2 hi and 3/4 low.

Posted on Apr 26, 2010

  • John Prohaska
    John Prohaska Apr 26, 2010

    Sounds like they are using a SPDT switch instead of a DPDT. Not the best way but ok...



    One line lead needs to be the switch common. The other two switch leads are then are the hi and low. Hi to 2 and low to 3/4. The reason you are only getting a low speed is your line lead to terminal 3. If you moved it to 2 you would have hi only. You need the switch to take the 2nd hot lead and alternate it from hi to low based on switch position.



    That said, you may have to locate where the switch's white wire goes in the terminal board. It may be on a double-prong quick connect post and that would be where you put your 2nd line lead. Then the yellow lead would go to 2 to be the hi speed lead.



    For a specifc answer I would still need the motor number and also the switch if you have one for it.

  • John Prohaska
    John Prohaska Apr 27, 2010

    Do you have the numbers yet? I would appreciate the chance to give a more accurate answer in the hopes of an improved rating...As a volunteer expert I take pride in my high approval ratings.

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