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Type: Posts; User: HVACAMAR

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  1. Replies
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    three phase commecial unit. Unit seems to be...

    three phase commecial unit. Unit seems to be working fine now after phase rotation was corrected. I saw smoke from vents. Something burned temporarily. What could it be. Where to look.
  2. Replies
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    1,246

    Phase rotation reversed

    Phase rotation(sequense) of panel feeding HVAC unit got reversed. When unit started smoke came out of vents. Unit stared in heating mode. Any idea what happened and what to fix.
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