Question about Ruud UBHC Air Conditioner

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RUUD AC cycles warm & cold 24/7

Hello I have a ruud central ac which I bought in 2005. The compressor was chg'd 2 yrs ago under warrenty. Lately I notice that for quite a few hours during the day the air blows warm, then suddenly it will blow cold again. Repeat, repeat, repeat. It is a pattern or cycle of warm then cold. I originally thought it was blowing warm due to it being the hottest part of the day. But that's not right b/c it blows warm in the middle of the night too.I have it set at 77 but the temp inside can go as high as 84 during a warm 'cycle'.I have a digital thermostat that is 6 yrs old. Filter is chg'd every 30 dys. What do you think the problem is? I have someone coming to look at it in a few days & don't want to be taken for a ride.Thx----Mrs. Cornwall

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Hello Anna Sounds like the compressor is overheating and stoping on overload internally.Then it cools down restarts and runs into overload again.I would like to see the freon pressures when running.Could have a clog/restriction in piping.I dont like that you went thru a compressor already, the original installition is suspect.The original (1st) failure cause must be corrected.Check the TXV valve replace, filter/dryer look for a kinked pipe are ideas for overheating.Make sure condenser coil is free (ari flow)& clean also.

Posted on Jul 31, 2010

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Posted on Jan 02, 2017

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