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Steve, Corrina, Rick, HS - Bingo. I found a hand written note dated when the system was installed in 1999 that reminded the then owner that the battery switch had to be on (1/2/B) to charge the desired battery, and that it would power DC systems directly from the charger when plugged into shore power and the battery switch off....."a condition to be avoided". So the installer obviously put it together this way intentionally, and I suspect wired it this way to avoid needing a second switch to get battery power back to the inverter? At any rate, has apparently worked for 10 years, so won't rewire right away.....other than to add a 30A CB inline just downstream from the shore power receptacle so I can shut off the whole thing while onboard. That and remembering to turn all DC breakers off before turning battery switch off should keep me OK. I think/hope.....
Thanks for the thoughtful answers.
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Bob & Chel
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