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Thread: A/C
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Old 07-21-2019, 11:37 PM   #16
TurnerFam
Senior Member
 
Brand: Thor Motor Coach
State: Georgia
Posts: 2,585
THOR #4735
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Quote:
Originally Posted by 16ACE27 View Post
But the contacts in the ATS know the difference because of the high current arcing across them. The more often the ATS switches with high current load, the more often you have to replace it.
that, again, is a myth... as the ATS's job is the SWITCH power, not just when there is 'only' one power source, but even when their are TWO... it's contacts don't CARE if power is already there... 'arcing' is a made up situation, there is no 'arcing'.... otherwise the ATS manufacturers would have some serious safety issues to handle. The switching is instantaneous from one contact to another, and are never 'together' for any arcing concerns.

Just as if you pull into your campsite, plug in, and throw the breaker ON, anything in your motorhome that is 'plugged in' and/or 'running' will INSTANTLY receiver power, and yet that in itself is not a concern, and it's no different than your house suddenly loosing power, then, mysteriously, a few minutes later, all power is restored. You didn't go and turn off your Main Breaker while you waited for power. You didn't go and turn off all your circuit breakers until power was restored. You just waited. When power was restored, everything came back on, whether just plugged in, or whether in 'RUN' mode, such as the air conditioner, the water heater, fans, lights, tvs, etc.

I understand maybe the initial 'electricity' concern that some have, many times due to being fairly new to 'plugging in', and running a generator, but the RV is designed perfectly to handle all your 'mobile' electrical needs and situations... you don't really have to 'intervene', other than the physical plugging in of your Shore Power cord, EVEN if the shore power breaker is already on, or even if things in your RV are 'ready' for power, plugged in, active, 'ON', operating, or such. The ATS will handle it how it needs to.

sure, older motorhomes without ATS units needed the owner to 'physically' plug the shore power cord into an special 'generator' onboard electrical outlet, so that the generator's output could be fed into the RV, but that's rare, if ever, anymore, and probably not been on any new RVs for many years. Even in that situation, if your generator was already running, plugging in the shore power cord to it's outlet would be no different than plugging in your shore power cord to an outlet that is already 'alive', whether one at your campground, rv park, home, neighbor, business, or just somewhere you are parked overnight and have access to, even though you may not have access to the breaker that serves that outlet.


Enjoy!
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