Quote:
Originally Posted by ESMI
Thor ACE 29.4 2017, though we have not had any issues with running both AC units using the generator, you should always understand your power loads and manage according. The Onan 5500 has a maximum amp output of 45.83 amps. Your shore connection is a 50 amp input which is greater than your generator. AC units draw 15 to 17 amps, two AC’s running can draw as much as 35-40 amps (both starting at same time) to 30 amps running continuous. Leaving only a 15.8 amp to use for other appliances. Next major draw is the hot water heater if on electric and not propane. Turning hot water heater to propane can drastically reduce AC loads and allowing use of other appliances without issues. Running refrigerator on propane is another option if you need to reduce electrical loads. Understanding and managing electrical loads and taking advantage of options to be able to use the generator as your needs require is just a part of RV travel. I took advantage of unused real estate on the roof by adding twelve 100 amp flexible solar panels and a 3000 watt inverter. Not something for everyone but does keep from loading up the generator. The inverter can help with loads by inverting from batteries to assist the whole coach. This is done in the inverter setting and works automatically. Just my way of power management. I ran a 75’ yacht for years and even with two 12K generators power management was always required. Learn to manage your power and you will find less issues.
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Units matter!
The Onan 5500 generator may put out 45.83 amps at 120 VAC but your RV 50 Amp service is rated at 240 VAC, so essentially 100 Amps at 120 VAC: The generator puts out less than half what your 50 Amp shore power connections provides you.
And where did you find 100 amp solar panels? What voltage are those 100 amp solar panels?
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