roof A/C TRIPS 20 AMP BREAKER

Keith099 wrote:
Better yet, if you live in a warm climate, put the electric water heater on a separate 120v 10/3 SO cord. Plug that into the park's 20A receptacle. Been doing that for years.

13-15A draw from AC, 11-12A from water heater, 3-4A from fridge, 1A from 12v converter. You will definitely see problems at that point.

Also helps prevent me from burning up water heating element with extra step of plugging in the cord for that.

My TT has 30A service with all the above plus a 120V mini fridge in the front. I put the water heater, mini fridge, and one interior power outlet for running a space heater all on a separate 30A single-phase panel. Every circuit is separately and appropriately breaker protected.

Also, carry a male 50A to female 30A adapter with you. Some sites will have worn out or weak 30A service due to repeated overloading.

That sounds like great fix's. Could you post some pics of how you did this? Is your extra cord removable?

Britches wrote:
this afternoon I went through and checked the wires and the breakers it is all good. the electric pedestal in rv park is brand new. So all looks good. A/C now does not turn on it just hums. fan and a/c positions js maybe time for window a/c huh?ust hummm

likely problem is the starting capacitor is gone. Could be that the compressor has seized but less likely. The cheap fix would be the capacitor but the replacement window conditioner might get your there (cooler) faster.... :-)

Britches wrote:
this afternoon I went through and checked the wires and the breakers it is all good. the electric pedestal in rv park is brand new. So all looks good. A/C now does not turn on it just hums. fan and a/c positions js maybe time for window a/c huh?ust hummm

New pedestal doesn't mean much. Have you tested the pedestal or asked the park to test the pedestal? Have you asked whether any other RV units in the area are experiencing similar problems? On a hot day the park may not have enough power to power everyone's air conditioner and if your on the tail end of the power supply you maybe getting bumped off.

Failure to start up is usually associated with not enough power, bad starting capacitor, or failing compressor. You should also note that when your air conditioner turns off you won't be able to immediately restart it because the head pressure in the compressor will be too high - let it sit for at least 5 minutes.

Have you gotten up top to examine the capacitors? As rigs age it's common for air conditioners to require more power to start up - in my older rig I replaced the original start capacitor with a hard start capacitor which provided the additional power necessary to resolve my start up issue.

Lastly - have you tried turning all the other stuff that uses electricity off when trying to run your AC - converter, fridge, hot water heater etc?