Victron Easy Solar Wiring Diagram. If you are looking for your first. Not sure if the run is long though.

If you look closely at the specs of the victron multiplus inverters they don’t actually support continuous 2000 or 3000 watts respectively. For 60 c temp wire, 10 awg is the minimum size based off ampacity. This is the first in a series of schematic drawings and it features the new lynx smart bms together with the multiplus ii with two 120v circuits.