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  1. TurboService

    Big Problems Need Help GX7 Atlas Copco 240/480v Screw Compressor MULTITAP Issues

    Gents, This is what he replied with, I hope this will help. All of you have been helpful thank you very much. Sean Electician: "id like to call the manufacturer and ask when rewiring what is the transformer configuration..I agree below Its probably 120 control wiring The voltage on the...
  2. TurboService

    Big Problems Need Help GX7 Atlas Copco 240/480v Screw Compressor MULTITAP Issues

    Bill, Your help is appreciated, I sent and email to the electrician hopefully he will reply soon. As for the 240/480v situation, this compressor was purchased "used" 6 months ago from a site where it was wired and working on 3 phase 240v from what the owner states. We reviewed the compressor...
  3. TurboService

    Big Problems Need Help GX7 Atlas Copco 240/480v Screw Compressor MULTITAP Issues

    Hello, Im in a pickle and wondering if anyone can help me out. I run a small machine shop here in NJ and the facility has 480v but each unit has a step down transformed (single phase 240). Anyway, my electrician came in yesterday and installed the 3rd phase into my suite. All of the work was...

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