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I have an 3phase roof top unit the owner was told it can run on 1phase wiring. is this true.

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Yes you can , but it would be cost prohibitive because the compressor would need to be changed out with a single phase unit( that is if they make a single phase unit this large) and anything else as in condenser/evaporator motors would also need change out if they are 3 phase motors, as for just wiring it to a single phase line, it can't be done

Posted on Nov 19, 2009

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