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I have an A.O Smith pool pump 1hp, p/n 7-187332-20, 3450rpm, 115/230v, 56Y frame. The person I got it from dismantled it to change the bearings and took all the wires off the back of the terminal board. They did not mark anything and now I am not sure where to connect the wires. Are you able to give me the internal wiring diagram?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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KMusselmann
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SOURCE: got a waterway 1.5 hp 1 speed 115/230v, wired 115 need 230

Hi,
Is there a coverplate where the wires come out of the pump? If so, remove the plate and there should be a wiring diagram inside.
Good Luck
Kurt

Posted on Mar 18, 2009

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john224
  • 1378 Answers

SOURCE: switching my hayward pool pump from 230v to 115v

Setting the pump for 115V wont by itself cause the trip. There is either a ground in the circuit or the GFI is bad. You may want an electrician to test any further than this.

Posted on Jul 04, 2009

  • 64 Answers

SOURCE: Replaced Single Speed Pool Pump Motor with 2-Speed Motor

You will need a two speed time clock to really take advantage of real energy efficiency savings. Intermatic makes one that fits in place of the original t104 time clock. You will need to run an additional wire to the pump as well. You will have the ground. Then one common wire that is always hot whether or not you are on high speed or low speed. You could make this a white wire. Then a black wire for your high speed that is energized in high speed and a red wire for the low speed. It is important that the high and low speeds not be energized at the same time, otherwise you will hear a very unpleasant sound coming from the motor, and failure and shortened life of the motor will be realized. HTH

Posted on May 29, 2010

  • 760 Answers

SOURCE: I just bought a AOSmith 1hp pool pump. I do not

Well first did you have an old one you're replacing? Check it. Second you could test your voltage with a tester (best idea then you know for sure). Third, you can look at the circuit breaker in your panel, and if it is a single breaker , it is 125V If it's a double pole breaker (two wide with wide handle) then it's 230V. Usually if it is 230V then the wires coming to it would both be black, or black and red, with a bare or green ground. Usually if it's 115V you'll have one black (hot), one white (neutral) and one bare or green(ground) but at times someone will wire one 230 with black and white. There should also be a large bonding copper jumper connected to a lug on the outside of the motor to bond your system to the pool (NOT AN EQUIPMENT GROUND)

Posted on Jul 05, 2010

john224
  • 1378 Answers

SOURCE: Wiring up Emerson 1081 pool pump. Using 230V. Is

Thank you for posting your question here on Fixya.com.


There is no polarity associated with the leads in an AC system. You simply have 2 hot wires and you can hook either one to either Line 1 or Line 2. Motor rotation is not dictated by the connection arrangement of these leads. Ground the motor with the grounding wire and again with the bond wire if one is present.

You can remove the riser that is positioned under the motor to allow for a 56 size stator to fit in place of the 48 size stator the original Hayward (AOSmith) motor was.


If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!


John

Posted on Nov 02, 2010

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