I am replacing an electric motor that went bad, and bought a similar model (Marathon model 5KC49TN0063Y). It's a reversible 1hp dual voltage, we're using the low voltage.
We can't figure out wire the new motor. There are seven wires on the new motor, Orange, Brown, Red, Black, White, Yellow, and Purple (and a ground screw)
The old motor only had four wires connected from the reversing switch, (plus the ground wire makes five), but there isn't a direct correlation between the old and the new.
Looking at the new motor diagram, and using the way the old motor was connected, I think we need to connect the yellow and white from the motor to the white on the switch. We need to connect the black on the motor to the orange on the switch. Red connects to Red. But now we're left with a black from the switch, and an orange, brown, and purple on the motor. I think we may need to combine the orange and brown on the motor, so does that leave purple connecting to black?
New Motor Wiring Diag
New Motor Model Info
Old Motor Wiring Diag
Old Motor Model Info
Blk, wht and yel tie together and attach to one line. Tie brn, org and red together and install wire nut. Attach Prpl to second line.
We need either a wiring diagram of the reversing switch or a detailed description of what switch wires hookup up to what terminals on the old motor. Without one of those we can't tell you hook it up correctly.
One other option would be to use a ohmmeter/continuity tester and ring out the wiring on the switch. Make sure the power is off and unhook the switch. Put the switch in the forward position and test all the pairs to see which have continuity and which don't. Toggle the switch to the reverse position and do the same thing. Let us know this information and we can figure out the correct wiring. Also let us know where the line power comes in and what terminals it is connected to.
Thanks for your reply Ben, you stated exactly what I've been thinking.. I didn't supply enough information about the reversing switch.
I planned to test the switch as you stated, and then wire as the diagram indicates (and as CasualJoe echoed), except pulling the black out of the wht/yel/blk trio, and pulling the red out of the brn/org/red trio, so that I can tie those to the wires that the switch is reversing.
I opened the switch, and the black and white wires come in and out with the same color, and the orange and red are the ones that are reversed.
This is how I plan to proceed:
I will hook the white wire from the switch to the white/yellow on the motor. I will hook the black wire from the switch to the purple on the motor. I will hook the orange and red from the switch to the black and red on the motor, and test the direction for forward/reverse, and then swap those if it runs opposite from what's expected.
Does that sound like a solid plan?
Tags: wiring, electric, motor, from switch, reversing switch, will hook, black motor, Diag Motor, Diag Motor Model, Diag Motor Model Info, Model Info, Motor Model
