Step 14 - Connect Multiple Powerwalls Together; Step 15 - Connect Powerwall To The Inverter - Tesla Powerwall Installation Manual

STEP 14 - CONNECT MULTIPLE POWERWALLS TOGETHER

If the site is installing multiple Powerwalls, follow these instructions for wiring the units. If not, skip
to the next step.
Caution: Do not splice wiring inside Powerwall.
Note: Ensure that the multi-Powerwall installation meets local requirements for DC disconnects
and correctly rated overcurrent protection.
Note: Always check with the inverter partner for inverter abilities and instructions before
connecting multiple Powerwalls.
1. Remove the splash cover as described above.
2. Verify that the communication and address switch settings for each Powerwall in the chain are
accurate as described in the above steps.
3. Connect the wiring coming from the inverter (communications +/-, enable line, and 12V Logic
+/- wires) to the J7 connector as the primary connector.
4. Connect the output communications, enable, and 12V logic wiring going toward the next
Powerwall to the J6 connector (see previous circuit board image). Powerwall allows daisy
chaining of low voltage and communication cables.
5. Run DC power wiring independently to each Powerwall. Fuse each Powerwall individually.
6. Reinstall the splash cover.

STEP 15 - CONNECT POWERWALL TO THE INVERTER

Run the wires between Powerwall and the inverter as described in the inverter manual. Follow
local electrical installation codes for wire installation.
Note: Ensure that the installation meets local requirements for DC disconnects and correctly rated
overcurrent protection.
Tesla Energy
Step-by-Step Installation Instructions
23