Rewiring a 5-Bedroom House with Powerwall 3 Integration

[buzzlightyear]

Either configuration of the whole installation for two more cu. I would explain to the customer. It can not be done.

 

[snowhead]

You will need to know from whoever is installing the Powerwall where they are locating the both the Powerwall unit and Backup Gateway(s), essentially just a changeover relay / contactor and whether they can manage with 1 Gateway or they need 2.
That'll determine how to run the cables to each C.U., you can't plan anything without knowing that.

Split load CU's should work

 

[Writer]

Either configuration of the whole installation for two more cu. I would explain to the customer. It can not be done.

Then it will require to have the whole house CU on the ground floor while I wire the cables from the first floor and loft down to it

 

[Writer]

You will need to know from whoever is installing the Powerwall where they are locating the both the Powerwall unit and Backup Gateway(s), essentially just a changeover relay / contactor and whether they can manage with 1 Gateway or they need 2.
That'll determine how to run the cables to each C.U., you can't plan anything without knowing that.

Split load CU's should work

The gateway needed is 1 as per the diagram . They want non backup
Board and backup board separately on each floor which is why it sums up to 4 Cus. Also split load won’t work as I can’t have 2 mains connected into it . One of the solar and other of the grid