drum switches

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  #1  
Old 11-23-13, 10:42 AM
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drum switches

I would like to know how to wire a 1.5 hp 1750 rpm motor to a 6 pole drum switch. The motor has 6 leads coming out of it. for 110v. c.w. rotation,red, yellow and #5 blue are one lead, and black, white and #6 blue are the other lead. To reverse switch #5 and #6 blue wires. For 220v. c.w. rotation, red is one lead, white and #6 blue are the other lead, and black, yellow and #5 blue are wirenutted together. For c.c.w. rotation, red and #6 blue are one lead, white is the other lead, and black, yellow and #5 blue are wirenutted together. I would like to run it on 220v. if possible, otherwise 110v. can be done also. I do want forward and reverse capabilities. Any help would be welcome!
 
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Old 11-23-13, 11:59 AM
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Welcome to the forums!

Can you post what drum switch you have or the wiring diagram?
 
  #3  
Old 11-23-13, 04:18 PM
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It's made by relay and control corp. out of New York....model RS-1A
 
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Old 11-24-13, 12:27 AM
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I just posted the diagram here while we figure this out.

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CW > T1- red ....... T2 > white + #6 blue ........... black/yellow/blue #5 connected

CCW > T1- red + blue #6 ........ T2 > white ............. black/yellow/blue #5 connected

1 = red (run winding)
2 = L1 (240vac)
3 = ?
4 = ?
5 = white (run winding)
6 = L2 (240vac)

Something is not right. Double check your 240v connections. Better yet.... leave us a link or model and type of motor. We need to identify the colors of the start winding. One is blue #6 the other is ?
 

Last edited by PJmax; 11-24-13 at 12:52 AM. Reason: A work in progress.
  #5  
Old 11-24-13, 12:12 PM
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I googled Grizzly G2907 and it gave me the wiring diagram......but not being an electrician, i could reverse the rotations, but not on a drum switch! Hope this will clear things up!
 
  #6  
Old 11-24-13, 02:14 PM
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I'll look into it further but how did you reverse the motor.

I've identified the RUN winding which gets connected the same way in both directions.
What two wires did you reverse to get it to run in the opposite direction ?

On edit:
I went to Grizzly and found the wiring as you posted it. The drum switch is designed to reverse the connections to the start winding. That motor only reverses one of the start winding leads. I'll look into it further but currently I feel that that drum switch may not work for you.
 
  #7  
Old 11-24-13, 03:46 PM
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O.K....any possible solution to my problem would be appreciated.....even if I have to get a different drum switch. Would still like to run it on 220v.-but will settle for 110v.
 
  #8  
Old 11-24-13, 09:01 PM
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Looking at the diagram, and your wiring listing on the motor, this appears to make sense to me: (you might want to double check) This is for 240v operation.

Drum switch terminals:
1) Blue #6
2) Hot #1
3) Red
4) White
5) nothing/open
6) Hot #2
 
  #9  
Old 11-25-13, 07:19 AM
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I'll give it a try in the next few days and post the results.......Thanks a bunch!
 
  #10  
Old 11-27-13, 05:17 PM
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I wired the motor and drum switch as per your instructions, and it works like a charm!......except that when the drum switch is in the forward position, the motor runs backwards and vice- versa.....which is no big deal to me. The way I have the switch mounted on my metal lathe makes no difference which way I have to turn it. So i'm happy the way it is, unless you think it should be switched the other way. Once again, thanks for your help, and you have a great thanksgiving!
 
  #11  
Old 11-27-13, 05:33 PM
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That is one strange motor set-up..... combo split/single phase.

You can leave it as it is or if you wanted to reverse the directions... move the blue #6 to terminal 5
 
  #12  
Old 11-28-13, 06:53 AM
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Thanks for the update uman!
 

Last edited by Tolyn Ironhand; 11-28-13 at 07:17 AM.
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