Shore power to Gen power on the fly Question, Im stumped !! - Dutchmen Owners

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Old 03-25-2016, 09:06 PM   #1
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Shore power to Gen power on the fly Question, Im stumped !!

Hello need some helpful input from the great people here. My question is- If I am hooked to shore power and I start the Generator it seems to blow the shore power circuit breaker, the one time I did it, Granted I was feeding this with a 15amp step down but should I not be able to switch the generator Online before disconnecting the shore power? thanks for any input!
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Old 03-25-2016, 09:32 PM   #2
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Shore power to Gen power on the fly Question, Im stumped !!

Your ATF Automatic Transfer Switch protects the electrical panel from receiving power from both. The ATF rest on shore power and when the generator is started it takes precedence and the ATF switches to generator power, on most units you can hear a clunking sound shortly after starting the generator when the switch engages.

By design the ATF will switch to generator power while still connected to shore power, however, this is not a recommended practice because when you start the generator with the ATF energized by shore power the contacts will arch which will cause pitting of these contacts leading to the premature failure of the switch.

I always disconnect shore power before stating the generator and only start the generator with no load and turn off all the loads prior to stoping the generator to minimize wear to the ATF.
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Old 03-25-2016, 09:58 PM   #3
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Quote:
Originally Posted by HornedToad View Post
Your ATF Automatic Transfer Switch protects the electrical panel from receiving power from both. The ATF rest on shore power and when the generator is started it takes precedence and the ATF switches to generator power, on most units you can hear a clunking sound shortly after starting the generator when the switch engages.

By design the ATF will switch to generator power while still connected to shore power, however, this is not a recommended practice because when you start the generator with the ATF energized by shore power the contacts will arch which will cause pitting of these contacts leading to the premature failure of the switch.

I always disconnect shore power before stating the generator and only start the generator with no load and turn off all the loads prior to stoping the generator to minimize wear to the ATF.
Thank you for in the input, I have resorted to the same procedures that you do. Turn everything off, unplug shore power then start generator. was hoping there was a way to control this.
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