Question about Ruud UBHC Air Conditioner
The heating unit will initially blow warm air, but then cool air starts blowing out. Could there be a problem with a coil? Can temporarily fix the problem by shuting off the unit for about 30 minutes and then turn it back on.
One or both heat sequences. Check for coil voltage, then outlet side of both sequencers , if it not there, replace. If v is present when called for; check time delays for accuracy. Could be dropping if contact surfaces degrading.
Posted on Mar 13, 2019
It sounds like unit could be kicking out the low pressure switch or if it is a electric furnace it could be the sequincers
Posted on Jan 24, 2010
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