Question about Goodman Heating & Cooling
Unit about one year old. The unit trips a 20 amp breaker every once in awhile. Cause unknown. Company noted 78 amps once when starting. Company who installed the unit place a hard start kit on th unit. The unit is mounted about 15 feet from inside unit. Inside unit down flow GR28K7-PFV-270.
20 AMP Circuit, huh? More on this below.
The tech probably didn't put a hard start kit on, but if he did, I hope he added the resistor to the start capacitor, or you could have a problem in the future. He probably put a soft start on it, a 2 wire device which looks like a capacitor. But only you will know for sure (or he.). As for warranty, manufacturers don't care about soft or hard start kits. In fact, they like 'em, because they extend the life of the compressor, which keeps them from having to pay for a new one.
I would be concerned with a 20 AMP circuit for anything higher than 2 tons. Take a look at the nameplate rating on the side of the condensor and tell me how many Running Load Amps (RLA) this unit is supposed to pull.
Also need to know your line voltage at the condensor, with the unit running.
Posted on Jan 28, 2009
Short cycling of the compressor can be an inconsistent cause of a breaker overload. It happens when the compressor start winding is "jolted" into operation several times over a short period this can happen when there is a loose power or control wire connection that is broken from the vibration at start up of the compressor or by the occasional "jiggling" of the mercury in older analog thermostats. I suggest that all electrical connections are checked and that you use a newer model thermostat, if its not already that has a built in start delay circuit.
Hope this helps you if your still having trouble with this issue.
Posted on Jan 28, 2009
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Posted on Jan 02, 2017
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