several points to ponder, from an experienced diesel pusher owner, but it also applies to most any RV with an onboard generator, and ATS(auto transfer switch):
- the ATS in RVs is designed to 'default' to Generator power, if it is running, EVEN if you are already plugged into any type of external power, whether 50amp(100amp), 30amp, or a household outlet.
This means that you will be then using your generator's output rather than the external power you happen to be plugged into, EVEN if your generator output is LESS than what you are plugged into.
- Running a generator while you are plugged into Shore Power is not a problem, as many of us do this in order to exercise the generator when parked extensively for months and months. Generators, though, don't really need to be exercised any more often, every month or two is just fine.
- if your Coach also has an AGS(auto generator starter), then the loss of Shore Power will also provide you backup power, as the AGS will eventually crank and run the generator when the batteries fall below a set level. A good level to use is 12.0 Volts.
Your Inverter, if you leave it on even when on Shore Power, will then run most of your outlets and 120v items, TVs, residential Fridge, etc., if the Shore Power is lost, and the Generator is not yet running.
All of these systems are in place to provide an easy and seamless transition of power to your 'House'... giving you peace-of-mind even if you are away from the coach when something 'happens'. The RV park could lose power. The Shore Power breaker could trip. Etc. Sometimes, when this happens, you may not even realize you've lost shore power since the Inverter takes over and continues powering most everything. The only thing that might be a tip-off is that your roof Air Conditioners stop, since they are not powered thru the Inverter.
Have fun : )
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The Turners...
'07 Rockwood Signature Ultralight...
two Campers and two Electric cars : )
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