Question about Smith Pool Pump Motor Square Flange - 1 HP

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A o smith b854 motor schematic diagram 115v . How do I hook up 115v to the factory set 230v?

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Remove the back of the pump housing ... inside you will find the 110 volt connection place.

If your pump is on a dedicated line (as it should be) run it on 220 VAC ... To convert your line from 110 to 220 all you need is a double pole breaker of the proper amperage ... take the white wire presently on the ground bus bar and put it on the other side of the new double pole breaker. Then you will have 220 ... and you will save a few bucks on electricity.

Posted on Jul 24, 2010

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The wiring diagram should appear on side of unit.
This 1.5 Hp motor can be wired for 115 or 230 volts

My AO Smith manual would not be specific to your motor.
With AO Smith 115-230V, there are one set of wiring terminals for incoming wires from breaker box. The other wires connect to terminals.
Copy following illustration link:
http://waterheatertimer.org/images/Motor-wiring-500.jpg

Wire and breaker size:
For 120Volt, use 20 amp breaker and 12 gauge wire up to 25 feet.
Over 25 feet up to 100 feet, use 30 amp breaker and 10 gauge wire.
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It will be dependent upon the line voltage and switching mechanism...

Please advise drum switch or relays?
115V or 230V
Remote control present?

If a drum switch, is it a 6 or 12 terminal model or some other configuration?
Make and model of the switch?

There may be more questions depending on the answers to these...do you have a wiring diagram for the control? Are you replacing a motor and have the old and new motor schematics?

John

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I bought a red lion sprinkler pump with an A O Smith 1.5HP electric motor on it. A O Smith model # CET50ABH, serial # 27308J2. I knew I would have to wire it (115/230v capable) and I want to go the 115v...


Your black and white wires go on L1 and L2. It will not matter which wire goes on with line terminal as long as you just put one cord wire on L1 and one on L2. Be sure you properly switch the motor to run on 115V since it will facotry prepped for 230.<br /> <br /> John

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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)

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The pump comes factory set for 230v. Power to the motor is 115v so I switched the jumper as indicated. The jumper is set on 2 posts with an arrow pointing to 230v. I moved it to 1 post and the arrow now...


CHECK YOUR BREAKER IT MIGHT BE THAT YOU ARE 230V .. IF IT IS A WIDE BREAKER ITS 230 OR IF IT IS A SLIM BREAKER ITS 115V , A VOLT METER IS YOUR BEST FRIEND.. REMEMBER TO VOTE FOR YOUR FAVORITE FIXIT GUY ! THANKS JAY

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My motor is wired for 230v and I need it to be 115v


It should be. Look closely at the motor nameplate and you should see a small diagram telling how to connect the motor for 115v or 230v. Most newer pumps have a small selector of some sorts. Either a plug that pulls off a couple post the include an idicator arrow for where to set the plug for either voltage, or a dial you turn to show it. Either way, you should be able to set the motor for 115 rather easily.

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However, I believe that this motor will be more efficient at 230v depending on load conditions. At 115v this motor will draw more amps and tend to run hot, but situation rules. Enjoy

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