I have a 1 ½ hp, 4 lead, single phase, 1720 rpm, 115/230 volt motor. I am attempting to wire the motor for 115 volt. I set the continuity tester on 2,000 ohms. When the leads were placed together the reading was 0.

Readings between the following wires.
Black White 1 Red Yellow 1 Grey = capacitor

White Red 1 Black Red 0
White Yellow 0 Black Yellow 1

Assuming that:
Black 1, White 2, Red 3, Yellow 4

Is this correct as far as the attached diagram plate on the motor?

Line 1 Line 2
1-3 2-4
Black Red White Yellow

If so, what do I do about the Capacitor with 2 grey leads that is on the motor?

Line 1 Line 2
1 3 2-4
Black Red White Yellow
Grey Grey

Is this correct?

If the rotation is wrong do I connect as follows?

Line 1 Line 2
1-3 4 2
Black Red Yellow White
Grey Grey

For 115v operation you tie together 1 and 3 and tie together 2 and 4. These (2) connection are your line in. Are you saying you don't know how the leads are numbered? Check the manufactdurers website for that information. And what do you mean "about the capacitor"? And what makes you think this motor is reversible? That would be noted on the spec. plate.

Are you saying you don't know how the leads are numbered? >Correct.Check the manufacturer's website for that information. > Made in China - no manufacturer indicated. And what do you mean "about the capacitor"? >The wiring diagram on the spec. plate doesn't mention the capacitor that came with the motor.I suppose I have to wire the capacitor into either the 1/3 or 2/4 circuits? And what makes you think this motor is reversible? >Would depend on which side I wire the capacitor? That would be noted on the spec. plate > One would certainly think so, however - nope, a Chinese cheapie. The spec. plate only has incomplete instructions.

If you pull off the inspection plate and there are no numbered wires... you are screwed. It's impossible to guess which goes where. The capacitor won't have any affect on the direction of the rotation... capacitors serve only two purposes... to either start or run the motor. You MAY try and take it to a good motor shop and let them wring out the wiring for you. If it's a good motor it will be cheaper than buying another one... and they can size the capacitor for it as well. The news is brutal sometimes.

Don't mean to jump into a private conversation here but I think you have to first determine what type of motor you have.
The label you show appears to say induction motor. Implying that it is a split phase induction motor. But you imply that you have a capacitor. Is that capacitor physically attached to the motor or did it just come with the motor. If physically attached, that would imply that the motor is either a capacitor start/induction run motor or a permanent split capacitor (PSC) motor.

If capacitor is physically attached I suggest pulling the end bell. If the motor is a capacitor start/induction run, there will be a start switch. If it is a PSC there will be not be a start switch.

If capacitor is not physically attached to motor housing it could still be a capacitor start/induction run or a PSC but unlikely. It could be that someone sent you an old capacitor just to get it off their shelf. How did the seller advertize the motor. Any manufacture's name on the motor?

Do the motor wires go into a connection box? If so remove cover, the connection terminals should be marked. Look for information on the inside surface of the connection box cover. While you have the end bell off, look at the motor windings. If it is a reversible PSC motor the motor windings should have the same size wire.

I agree with Missouri, motor shop can probably tell you immediately what kind of motor you have.

See this web site for description of different types of motors.
http://www.leeson.com/TechnicalInformation/sphase.html

Don't mean to jump into a private conversation here but I think you have to first determine what type of motor you have.
The label you show appears to say induction motor. Implying that it is a split phase induction motor. But you imply that you have a capacitor. Is that capacitor physically attached to the motor or did it just come with the motor. If physically attached, that would imply that the motor is either a capacitor start/induction run motor or a permanent split capacitor (PSC) motor.

If capacitor is physically attached I suggest pulling the end bell. If the motor is a capacitor start/induction run, there will be a start switch. If it is a PSC there will be not be a start switch.

If capacitor is not physically attached to motor housing it could still be a capacitor start/induction run or a PSC but unlikely. It could be that someone sent you an old capacitor just to get it off their shelf. How did the seller advertize the motor. Any manufacture's name on the motor?

Do the motor wires go into a connection box? If so remove cover, the connection terminals should be marked. Look for information on the inside surface of the connection box cover. While you have the end bell off, look at the motor windings. If it is a reversible PSC motor the motor windings should have the same size wire.

I agree with Missouri, motor shop can probably tell you immediately what kind of motor you have.

See this web site for description of different types of motors.
LEESON Electric Corporation - www.leeson.com (http://www.leeson.com/TechnicalInformation/sphase.html)


Thanks for the help. I pulled the end bell. The motor is a capacitor start/induction run with a start switch. Motor shop is good advice - thanks.