Question about Heating & Cooling
TRIPS BRAKER AND COOL AIR COMES OUT BUT OUTSIDE UNIT NOT RUNNING .TRIP BREAKER BACK ON WILL LAST A DAY OR TWO THEN WILL TRIP AGAIN.HAD A/C PEOPLE COME OUT AND LOOK SAID COMPRESSOR AND OTHERS PARTS OF UNIT WERE GOOD . HELP?
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Posted on Jan 02, 2017
Check your wiring between the contactor and compressor for a short to ground, or check the compressor windings for short to ground.
With the Tstat off, the contactor should be open so the only way for the compressor to be trying to do anything is if the 110 volts from the unbroken side are traveling through the compressor to ground. Since 110v is not enough to run it, the overload is kicking it out, cooling off, and repeating the cycle. When you kick on the Tstat, the contactor is supplying voltage directly to ground without going through the resistence of the compressor windings and kicking the breaker.
Post back and let me know what you find.
Posted on Nov 20, 2007
If your outside condenser has a locked rotor or short circuit, than the unit WILL trip the breaker - as it should. On the other hand if a breaker is tripped a few times it will have less of a capacity that the rating, (this is designed in it). You will need to determine if the unit is locked (and broken) or the breaker has become too sensitive.
Posted on Apr 22, 2008
SOURCE: Electric Furnace Trips Breakers
it is normal for a breaker that is run right on the edge (50 amp and your furnance to use 45) to get weak after a while . the first thing you should do is change the breaker with the same type and amp rateing . it should take care if it
Posted on Jan 16, 2009
The compressor motor , once warm is grounding out due to wear and is going bad.Have the compressor replace while it is still clean is cheeper and easier that doing it after a burn out,which will eventually happen,if the compressor is tripping the brreaker as I suspect..
Posted on May 10, 2009
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