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Old 10-14-2019, 02:53 PM   #1
Join Date: Aug 2019
Posts: 50
Auto transfer switch logic

Going thru the electronics on our 89 crown rotale.
I know the inverter isnt powering up. I just got the generator running but not 120v to the home outlets.

Does the generator, shore power and inveryer run into the auto transfer switch, and from there the ats will feed main house breaker panel?

I dont have access to shore power so cant check that.
Im assuming if i have power into ats from generator side then the ATS is bad by not senging power over to main breaker?

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Old 10-14-2019, 03:01 PM   #2
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- there should be one or two breakers on the genny itself. check to be sure they have not tripped.

- the genny side of the ATS is the default position of the switch. when you plug into or disconnect from shore power you should hear a "clunk" sound of the electromagnet switch. the switches have been known to get stuck on the shore power side

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Old 10-14-2019, 03:08 PM   #3
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Shore Input and GEN input (Separate Lines) and then Common Output to RV AC Panel

Inverter usually fed from RV AC Panel Individual Circuit Breaker

ATS ---Gen Input has 'priority' over Shore Power
If connected to shore power and gen is started...ATS swaps to GEN side

Gen running.....then RV AC Panel should have power to it
(ATS out should be hot)

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Old 10-15-2019, 07:23 AM   #4
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Excellent flow diagram Biscuit, thanks.
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switch, transfer switch

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