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please verify the name plate to be 115 230 volt motor.there will be a schematic that shows you exactly how to hook up this motor depending on the voltage being supplied to it. The main thing is switching between 115 and 230 volts this is a selector switch this very easily forgotten about. Please make sure to check that and double check that to make sure its on the proper selected switch. Good luck
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Usually - depends on the type of wire originally installed. Almost all of it is going to be rated 300V or more and if yours is then yes, change the breaker to a 2-pole and swap out any other devices in the circuit to be rated 230 and change the voltage selector on the pump motor to 230 and you are good to go. Examine the markings on your wire insulation to find the voltage ratings.
Usually - depends on the type of wire originally installed. Almost all of it is going to be rated 300V or more and if yours is then yes, change the breaker to a 2-pole and swap out any other devices in the circuit to be rated 230 and change the voltage selector on the pump motor to 230 and you are good to go. Examine the markings on your wire insulation to find the voltage ratings.
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Thank you for posting your question here on Fixya.com. A 2 HP motor is usually only going to connect to 230V 1~ because of the high amp draw if ran on 115V. The motor itself should say 115/230 V and then would also read 24/12 Amp. It seems based upon your post it is not a dual voltage motor, likely for the reason I stated. You can not reconnect the motor from series to parallel because the winding connections to the leads are not brought out for you to do so. Otherwise it would be labeled for 115/230. You can of course try to get a 2 HP 115 volt rated motor or try to reconnect a circuit where you wish to use the compressor to bring the 230 V to it. In the long run, you would be better off running the motor on 230V. 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
Our 2 HP Speedaire horizontal tank compressor is rated 115 / 230 volts at 24 / 12 amps, respectively. This means at 115 volts, a 30 amp circuit breaker is the bare minimum. That also means that the wiring should be #10 copper wires for short runs, but the next size up; #8 copper wires would be better connected to a 40 amp circuit breaker. Running at 230 drops the amperage requirement by half, to 12. A #14 copper wire is minimum for short runs with a double pole 15 amp circuit breaker, but #12 copper wires connected to a double pole 20 amp circuit breaker would be better choice.
If the compressor is cord connected (or even directly wired) with the minimum sized wires, it will likely a voltage drop problem unless very close to the panel. This problem is more pronounced as the distance between the circuit breaker and motor increases, or when smaller wires are in the circuit. All the voltage at the circuit breaker does not reach the motor, as it is lost as heat; so the compressor only sees 90 to 105 volts instead of the 115 volts it expects.
If the cords, connections, etc are getting hot, it is a tell tale sign of under-sized wires and /or poor connections. Once you solve these problems, the compressor should run "as advertised " because motors usually don't "go bad" but fail all at once. Unless you have a bearing problem - or there is a problem with the load itself (compressor).
Be sure you have connected the motor to the line leads correctly and that the motor is set for the proper line voltage.
A somewhat common problem is that most motors are dual voltage (can be ran on 115 or 230 volt) and come factory set for 230 volts. If you connect it to a 115 volt circuit it will run for a while and then overheat and shut off.
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