Dual A/C - One trips 20amp breaker

[geordi]

Originally Posted by dc73

Anyway, the reading I got while running was about 10-11amp draw which seemed pretty good to me (total novice). This is the 13.5k btu unit that has been giving me issues - just for curiosity sake I also tested the 11k btu unit and it was drawing around 6-7.

That's quite good for a 13k BTU, which brand and model A/C do you have?
Previous experience with Coleman is that they want 12-13 amps running, where my Carrier (preferred brand) units are 9-10 amps and the larger 15kbtu is 12-13.

I haven't found any current units (as the Carriers are no longer made) that are as efficient as they are.

[dc73]

See my original post for the dropbox link to pics of the labels. The 13.5k reads COMPRESSOR 12.1 RLA; 59.0 LRA: FAN MOTOR 2.5 FLA: 5.8 LRA.

I wasn't really trying to get startup draw because it ran fine at startup (which is when classically you see problems). That's what was odd about the problem I was having, it would trip the breaker after running for at least 10-15 minutes just fine, compressor had been running the whole time.

Thanks to all contributors!

[Outbound]

I think your spot on, if breaker looks like it has been hot time to replace with new.