I'm far from an electrician. Just a guy trying to get some new life out of an existing piece of machinery.
See the image below, this 5HP motor comes from a heavy duty commercial treadmill. Based on the fact that it has no start capacitor, 6 leads, and that heavy flywheel on the right this is a 3-phase single-volt motor.
The labels originally were W,V,U but some of them were scratched off and unreadable. But there's two additional wires both black and missing labels, and the green for total of 6 wires. I've labeled the black wires A,B,C,D,E and measured them using ohms setting on a multimeter:
* A<->B: nothing * A<->C: nothing * A<->D: 0.6 * A<->E: nothing * B<->C: 2.2 * B<->D: nothing * B<->E: 2.5 * C<->D: nothing * C<->E: 2.5 * D<->E: nothing
My questions are:
- how do I restore the original labels of W,V,U from the information above?
- if 3 wires were W,V,U and the other two had no labels remaining, what purpose are the other two wires?
- assuming i identify all the wires are correctly labeled, any quick way to test the functionality of this motor before wiring it to a control board?