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

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...

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

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...