Quote:
Originally Posted by JNKS2010
So we have only gone 4 times so far this season. On trip #2 we turned the A/C on and after about an hour or so of being on the unit smelled funny and shut down. When that trip was over we took it directly to the dealer. They ran it for 4 days straight without a hitch. We brought the trailer home and until yesterday morning I went out to clean up the trailer and brain storm on how to fix our dinette from tipping over when being used as a bed. Anyways. I turned on the A/C and about 10 minutes in, it shut down again.
I did some trouble shooting and couldn't get it to work. So we packed her up and off we went to the dealer. Got there. Plugged her in and she ran great for well over an hour. And that's when it hit my wife that we may not have enough juice to run the A/C.
Putting in a 30a plug isn't an option. And honestly we don't plan on using while at home anyways.
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Several suggestions about wire and breaker size are right on the money, but there's something else you should consider. With your AC shutting down and smelling strange, I suspect your voltage is low at your RV. Typical household voltage is 120 volts and most appliances are designed to run at the voltage, including your RV AC unit. Appliances with motors when trying to run on say 110 volts will run hot, which may be the symptoms you are experiencing.
Get a volt meter and check the voltage inside your RV with the AC running and you may find low voltage. You can also purchase from CW a small volt meter that plugs into a wall receptacle in your coach and the cost is about $13
I have found that sometimes campgrounds have voltage issues so my meter stays plugged in at all times. Low voltage will reduce the life of motor driven appliances due to overheating.
Small gauge extension cords will also cause low voltage.