Help me understand how to properly ground my system (diy skoolie)...

[s0l4rn00b]

I'm having the hardest time understanding how to properly ground my system. I have a school bus conversion with a full off-grid system.

Below is my system:

Renogy 550w Panels (4)
Eg4 48v 100ah batteries (2)
Victron Charge Controller
Victron Lynx Shunt
Victron Lynx Distributor
Victron Multiplus II
All tied into a Cerbo GX

All of my components seem to have a ground screw, but from what I understand it's more for interference than safety, maybe I'm wrong? If that's not the case, how do I properly ground my system?

A - Do I even need to?
B - Do I ground only AC side (ground wire to chassis)?
C - Do I ground everything to a bus bar and then to the chassis?

 

[Zwy]

Chassis and body need to be bonded to AC grounding system. The purpose of bonding is to ensure in case of an AC short to chassis or body it will clear a ground fault.

Anything that can conduct current such as metal enclosures, metal chassis, metal body needs to be bonded to AC grounding system. This includes the PV frames. Battery case if metal (not negative terminal) needs to be bonded to AC system grounding system.