Question about Whirlwind FH-778 Air Conditioner
Good evening all, This morning woke up to my home freezing cold i'd left the ac on 72, cut it off allowed home to naturally warm up by the afternoon it was getting hot again so turned air back on and set it for 75, went to the store came back about an hour later to my house being very warm checked ac and it was blowing out warm air, cut it off and back on and let it run for a while still warm air. now it 3 hours later and air is blowing cool once again no frost on any of the lines everything looks as it normally does does anyone know what would cause it to work intermittingly??
Sounds like a faulty Tstat that's sending a low voltage signal to the contactor coil only sometimes. The high pressure cut out or the compressor's internal thermal protection could of opened, and then closed again after cooling. Make sure the condenser is clean and not obstructed.
Posted on Sep 01, 2013
Your unit may be going into a defrost cycle. If so sounds like a bad defrost board. It sends a signal to electric heaters inside to come on. Change board and sensor
Posted on Jul 28, 2009
The only problem I could think of is that the air conditioning needs to be recharged as they call it because over time it will run out. You can usually go to a place like Firestone and they will do it (depending on how much you need) for around 100 or you can find a way to do it yourself you would buy either R134A or Freeze 12 that might be harder to get but cheaper
Posted on Aug 19, 2009
Could be a number of things make sure the unit outside is running both fan and compressor.If not check breaker,stat,24 volt wires going to condensor they get hit with weed eaters a lot or just need cut and stripped and wire nuts replaced.
Posted on Jul 28, 2012
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