Grounding, fusing schematic or rules of thumb for mobile home setup with solar?

[chrisstratton]

HI - I'm hoping someone might have a link to a schematic suggesting fusing/circuit breaking locations for a mobile home setup with solar. I've tried searching the forums and and have seen some guidelines but cannot seem to find those again

Here is my guess at the start of this; however, I've seen people putting breakers/fuses all over the place and don't want to add unneccessary complexity. At rear of bus, I'll have both the 24 volt 150a LIFEPO4 batteries, AND, the 30amp 125 volt shore tie connection. The run to the Growatt 3000 panel is 15 feet. I'll use 0/2 welding cable for the battery to growatt lead, and 10awg cu for the shore tie to growatt. I assume I should fuse the battery end with a 200w fuse, and put a 30amp fuse (something like an HVAC disonnect?) at the 125 shore tie at the back of the bus. At the Growatt end, I'll put a 24 to 12v house converter.

But what about grounding? Do the shore-tie ground 125v and the 12v all ground to the bus?

THANKS FOR ANY LINK/suggestions, etc!

 

[chrisstratton]

Here is a start at my system.