Multi-Powerwall 3 Installations

Key Terms:

Leader Powerwall 3 : Powerwall 3 connected to the Backup Gateway 2 / Backup Switch / Gateway 3. Must be connected to customer router over Wi-Fi
Follower: Any Powerwall 3 not connected to the Backup Gateway 2 / Backup Switch / Gateway 3. Connected to Leader / other Followers via Ethernet

Figure 1. Multi-Powerwall 3 System with Backup Gateway 2

Figure 2. Multi-Powerwall 3 System with Backup Switch

Figure 3. Multi-Powerwall 3 System with Gateway 3

System Shutdown Switch with Multiple Powerwall 3 Units

Where a System Shutdown Switch is required, connect eachPowerwall 3 to a dedicated electrical contact of the switch. Ensure the installed System Shutdown Switch has enough electrical contacts for the number of units installed.

Figure 4. Good Wiring Example: Each Unit Connected to Electrical Contact in E-Stop

Figure 5. Bad Wiring Example: Both Powerwall 3 Connected to a Single Electrical Contact

Figure 6. Bad Wiring Example: Powerwall 3 Units Connected to E-Stop in Series (Does Not Work)

Figure 7. Bad Wiring Example: Second Powerwall 3 Not Connected to E-Stop

Connecting Powerwall 3 Units via Ethernet

All Powerwall 3 units must be connected via Ethernet. The units can be connected in any order, so long as each unit is connected to at least one other unit.

Figure 8. Option 1: Leader Powerwall 3 Connected to Customer Router via Wi-Fi (Leader at Start of Chain)

Figure 9. Option 1: Leader Powerwall 3 Connected to Customer Router via Wi-Fi (Leader in Middle of Chain)

Figure 10. Option 2: Leader Powerwall 3 Connected to Customer Router via Ethernet

Note

If connecting the system to the customer router via Ethernet, connect the router to either the first or last Powerwall 3 in the chain. Do NOT connect the router in the middle of the chain.

Commissioning Multi-Powerwall 3 Systems

For instructions to commission a multi-Powerwall 3 system, as well as for troubleshooting steps for common issues, see the Powerwall 3 Device Setup Guide.