Complete the Powerwall 3 Installation and Commission the System

Important Notes on Metering

  • The only supported configuration at this time is Powerwall 3 (single or multiple) with Backup Switch or Backup Gateway 2
    • Site metering is performed by Backup Switch or Backup Gateway 2
    • Solar metering is performed by Powerwall 3
  • Neurio meters are not supported at this time. If additional metering is required, it must be performed by a Tesla 100A CT connected to Backup Gateway

Connect Powerwall 3 to the Internet

Connect Powerwall 3 to the customer's internet router via either Ethernet or Wi-Fi.

Figure 1. Powerwall 3 Ethernet Terminals

Perform Device Setup in Tesla One

If needed, navigate to tesla.com/teslaone to install Tesla One, then enter Device Setup to commission the system. See the Powerwall 3 Device Setup commissioning guide for complete instructions.

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Note
Ensure Tesla One is updated to version 7.9.1 or greater.
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Note
Connect to Powerwall 3 to commission the system. Do not attempt to connect to Backup Gateway to commission.

Install the Powerwall 3 Front Cover

  1. Install the air intake screen over the opening at the bottom of Powerwall 3, ensuring it snaps into place.
  2. Clean the front edge of the Powerwall 3 enclosure and the sealing gasket on the front cover.
  3. Install the front cover, securing the top (2X) fasteners first, then following with the (4X) side fasteners. Torque all fasteners to 25 in-lb with a Torx T20 bit.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Maintain pressure to keep the sealing gasket compressed until all fasteners are installed and tightened. If the sealing gasket is not compressed, the fasteners may thread form in the enclosure, breaking the front cover mounting tabs.

How to Leave the System

Table 1. Powerwall 3 Breaker CLOSED and Enable Switch ON:
Powerwall Installation Complete? Solar Installed? Backup Switch Installed (if applicable)? Does Utility / AHJ allow the system to run pre-PTO?*
Yes Yes Yes Yes
Yes N/A (applicable whether solar is installed or not) No1 Yes
Yes No2 Yes N/A (system not ready to be turned on)

1See Commission prior to Backup Switch installation.

2See the Powerwall 3 Installation Manual (with Backup Gateway 2 or Backup Switch) for instructions to commission ahead of solar installation.

Table 2. Powerwall 3 Breaker CLOSED and Enable Switch OFF:
Powerwall Installation Complete? Solar Installed? Backup Switch Installed (if applicable)? Does Utility / AHJ allow the system to run pre-PTO?*
Yes Yes Yes No
Yes N/A (applicable whether solar is installed or not) No, and commissioning could not be completed as defined above3 N/A (system not ready to be turned on)
Yes, but commissioning could not be completed (could not resolve errors with troubleshooting)3 N/A (applicable whether solar is installed or not) Yes N/A (system not ready to be turned on)
No (no AC service, install crew unable to complete, etc.)3 No No N/A (system not yet installed)

3Commissioning cannot be completed at this time (schedule a second site visit to complete).

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Note
For clarification on any of the steps in this quick guide, see the Powerwall 3 Installation Manual ((with Backup Gateway 2 or Backup Switch) for complete installation instructions and requirements.