Question about Ruud UBHC Air Conditioner

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Ruud air handlers

Im installing two ruud achiever airhandlers, one for a 2.5ton unit and the other for a 3ton unit, for the airhandlers I already have #6 wire run to the location of the unit can I use #6 to a disconnect and and then from the disconnect to the airhandler can I use #12 wire. Now for the breaker... Can I use 40amp in the main panel and 15amp in the disconnect?

Thank You, Hank.

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Check the name plate amperage on the air handler. The air handler only has the blower motor as its main current draw. #12 wire is rated for 20 Amp service. If the amp draw by the unit supplied by the disconnect is under 15 amps it should be fine (but) once again check the name plate for ampacity rating.

Posted on May 27, 2008

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