Forum Discussion
joshuajim
Sep 12, 2015Explorer II
donn0128 wrote:
General rule, 20A no AC.
30 or 50A AC no problem IF!
People generally do not understand power managment. Have one fella in the park right not upset because he can't run his AC on 20A. If you install a hard start capacitor, switch refer and water heater to gas you might start a AC. Personally even on 30A I switch everything to gas before I try my air
I'm about to head out for a 2 week boondock trip, so I decided to test my A/C on my Yamaha 2400is. I got my professional quality Amprobe clamp meter and clamped it on a test extension with split wires so I can isolate just the hot side. I'm at 3,500MSL and I plan to camp at less than 1,000 MSL so it should be a good test. It was also near 100 degrees during the test.
The A/C is a 3 year old previous generation Brisk Air 13.5.
Started the gen and let it warm up. Plugged in the power cord and the amperage indicated a spike of 12.4 amps as the A/C kicked on. Even a good meter is probably not able to record the full spike as it happens too quickly. The amps then settled down at 11.4 for several minutes. As the A/C got hotter along with the generator and cords the amps slowly creeped up and after about a half hour it peaked at 13.5 amps.
I've never had a problem running the A/C on a 20 amp circuit, but I also make sure the water heater and refer are on gas.
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