Question is...
johnieG:
Help! I'm working on a small 60's Vendo VF56 chassis that's had a compressor transplant at sometime in its past, I'm ready to re-wire the compressor deck with a 3-in-1 style run/start unit to replace the start/run/overload relay assembly that was originally on the compressor, question is which way is the compressor wired? I've measured the resistance as shown in the attached diaghram. I'm reasoning the "start" winding is the lower reading of the two,(the lower the resistance the higher the starting current?)and the higher reading to be the "run" winding. The plate attached to the compressor says "T.C."made in USA"... I'm assuming it's a Tecumseh pancake style unit, not a Couplan unit. which example (diaghram "A" or "B") applies?
johnieG:
Lets try this image
Jim:
Johnie,
Excellent use of the tools provided on the Forum!
This is why I choose this software, so users could better explain things with visual aids such as images...
At any rate, I think Eric is goning to have the best answer here... I'll look into my manuals and see what I can come up with but I know my stuff is a little older than what you're describing. Then again, as long as the identification for Common, Start and Run are correct, the process should be ths same...
I'll get back with something and hopefully Eric mat stop by with some input...
Oh by the way, I cropped your image since it was so large on screen. Perhaps next time, you could remove the extra space around an image to make things a little smaller in file size and dimensions...
globalcompressors:
Hi Jonnie,
The pins in fig. 1 are going to be the correct set up. I am however, concerned about the ohm readings you are getting across the terminals. They seem a little high with the exception of the lower one, 2 ohms I think I read? Did you check from each terminal to ground? Did this compressor run before? Just be sure to check ground before you plug in or the sparks will fly!
Eric
johnieG:
Yea I checked all pins to ground, no shorts, my VOM meter is pretty basic on the low ohms side, the reading I got was 4 ohms. I've got it running in now on the bench while I monitor it, good thing too! as the evaperator fan ran for about an hour then quit! thanks for the help guys!
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