Glen,
I will be putting solar into our new rig in the spring but previously had installed a complete solar system in SOB prior to our 3580.
Depending what you plan on using the solar system for is how you would wire the coach up. If you plan on using the batteries to run everything on the rig except for the heavy load items (A/C, W/H, F/P, etc.) then you would want to add a sub-panel that you would take your shore power into. From there you split the service with a 30AMP line going out to the inverter and the rest of heavy load items run from the sub-panel. This way if you are hooked up to shore power you can either take advantage of the 30 AMP transfer switch in the Magnum to run things like the microwave, fridge, etc. This will also give you the ability to hook up your generator and charge your batteries if the sun has not shined for a few days. When disconnected from shore you then have full use of the batteries and inverter. If you are hooked to shore and don't want to run hot thru the inverter you can throw the 30AMP breaker in the sub-panel and you have isolated the inverter.
I am sure there will some varying opinions but this is what I did on the last rig and it worked for 7 years!
Good Luck,
Les
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Les and Sue Young, 2009 Int 4400 LP, 2020 DRV Mobile Suites [/url] https://ramblingrvrat.blogspot.com/2019/11/freedom-from-grid-rambling-rv-rats.html[/url]
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