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Recent content by dminunni

  1. dminunni

    Transformer vault installation

    Thank you all for the information. I appreciate the help.
  2. dminunni

    Transformer vault installation

    We recently discovered that one of our transformers was leaking oil. I have been assigned the task of replacing this pad mounted transformer with a new 2000KVA transformer mounted on a containment vault to contain any possible future oil leaks. I have never done this and was wondering if...
  3. dminunni

    Blown Contactor Coil in A/C Control Circuit

    Dear itsmoked, Sorry for the slow reply on this. You have confirmed exactly what I suspected. The replacement xfrmr is currently on order. Thanks
  4. dminunni

    Blown Contactor Coil in A/C Control Circuit

    We have a relatively new Aaon HVAC system (2 Years) with a 4 stage compressor control circuit. We have a problem where the contactor coil for the 4th stage fries about every 2 months. The control circuit for each compressor is fairly simple. The only interlocks in the circuit are the low and...

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