Question about Hayward 2HP Pool Pump Motor A O Smith Electric Pool Motor for 56J Frame

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Need wiring diagram for a marathon electric motor. 2HP 115/220V single phase. Cat #FM1020. Want to re-wire for 115V. CW operation.

Posted by fmc6 on

  • Anonymous Mar 16, 2014


  • Ronny Webb
    Ronny Webb Apr 16, 2014

    Colors- red,blue.brown,black,yellow,green, no diagram on motor



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Wiring diagrams for AO Smith motors are located on the side of the motor.

Posted on Apr 21, 2010


Jay Finke

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Looking at the back of the motor, at one o'clock there should be a GREEN screw, this is the ground, underneath it at 3 o'clock the other 2 screws are power, theses have no polarity so no wire color comes in to play.. so one power wire hooks to one screw and the other wire goes to the other screw. now to set voltage, there should be a little white tab at 5 o'clock., it has a pointer on it that when pointed up is high volts,( this is how its sent from the factory). to change this carefully pull out about a 1/2 inch on this tab and rotate it down and wiggle it back in, make sure it goes all the way back in, now its set for LOW 120 volts.
Remember you must prime pool pumps with A few gallons of water before you run it !!! not all motors are the same, soo if you can add a picture or a model number of the motor, it helps us Pro's give very accurate instructions. need wiring diagram for a marathon electric motor - need-wiring-diagram-marathon-electric-i5yqmfejjckr3yon1viwztyd-5-1.jpg

Posted on Oct 29, 2014



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Wiring for this type of motor marathon 3qt horse

Posted on Aug 03, 2013

  • Jay Finke
    Jay Finke Oct 29, 2014

    MOST OF THESE HAVE THREE SCREWS ON THE BACK OF THE MOTOR. now looking at the back a (1) 0'clock there should be a green screw, this is where the ground wire goes. at 3 o'clock you will see. two more screws, this is where your power wires go, it doesn't matter witch one goes where. just make sure you ste the voltage switch to meet your needs, new motors out of the box are factory set 220 volts. after you install your pump PRIME IT WITH A FEW GALLONS OF WATER... Jay the pool pump motor repair guy longwood florida


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