Question about Ruud Central System Air Conditioner

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Furnace runs on heat, air conditioner does not

I have a ruud ultra series central air unit and landlord does not have the owners manual. landlord thinks the cenral air unit should run on heat em saver setting but does not. we think the furnace is running off straight electricity since the central unit is not kicking on. when i turned the ac unit on as running in ac mode, the ac untit runs fine, but when i turn it back to heat, no matter what setting i put it on, the ac unit does come on. is this how it is supposed to be?

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  • dwkcool May 11, 2010

    If this is a heatpump system the outside condinsing unit should be running when in heat mode for better heat and energy cost the em heat or aux heat should only be on when the unit can not keep up with the heat demand in the house so there is something wrong

  • Anonymous Mar 29, 2014

    Furnace on but ac unit running

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The only time the outdoor Ac unit runs when u set thermostat to heat is if u have a heat pump thermostat n system . If u do have a heat pump system n only your furnace runs n not the outdoor system it could b that the outdoor thermostat is not closed due to outside temp is below 35 deg. Or the outdoor thermostat is bad. This problem will need a qualified tech onsite to continue with the diagnostic

Posted on Oct 26, 2014

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If you have a Gas furnace in the Attic then the answer is yes. The outside condenser will not run if in fact you have a gas furnace.

Posted on Feb 12, 2009

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1 Answer

From the Isolator panel, how do I connect the condenser, and the blower?


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