Commission the System Ahead of Solar Installation

Powerwall Installation Crew Instructions

  1. Close the AC circuit breaker for Powerwall 3and the Backup Gateway.
  2. Turn the Powerwall 3 switch ON.
  3. Launch the Tesla One app.
    Informational PurposesAn informational icon, calling your attention
    Note
    Ensure Tesla One is updated to version 7.9.1 or greater, or install Tesla One if using for the first time.
  4. Navigate to Device Setup to begin commissioning.
  5. Select Scan and scan the Powerwall 3 QR label to connect to the TeslaPW Wi-Fi network.
    Informational PurposesAn informational icon, calling your attention
    Note
    Connect to Powerwall 3 to commission the system. Do not attempt to connect to Backup Gateway to commission.
  6. Address any alerts to complete commissioning, skipping PV commissioning steps.
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    Note
    When commissioning a system with no solar, Powerwall will charge from grid until State of Energy (SOE) is 20%. This is expected behavior.
  7. Perform the Backup Test, selecting Solar is not expected.
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    Note
    The Backup Test can be performed during the Backup Gateway 2 device update. There is no need to wait for the update to complete before performing the Backup Test.
  8. Leave the system running in Tesla One.
  9. Leave the Powerwall 3 switch ON and the breaker CLOSED to enable charging.
  10. Leave the following accessories with the customer, for use by the Solar installation crew:
    • Extra T20 fasteners for front cover
    • Installation quick guide (for guidance on correctly installing PV wiring)
Informational PurposesAn informational icon, calling your attention
Note
See the Powerwall 3 Device Setup Guide for instructions.

Solar Installation Crew Instructions

  1. Retrieve the Powerwall 3 accessories from the customer. These should have been left by the Powerwall crew.
  2. Turn the Powerwall 3 switch OFF to de-energize the system; see Appendix H: Shutting Down Powerwall 3 for complete de-energization instructions.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    Confirm lack of voltage at the AC and PV terminals before proceeding.
  3. See STEP 6: Make Solar PV Connections for instructions to complete the solar installation.
  4. Re-energize Powerwall 3:
    1. Remove the lock / tag and breaker hasp from the Powerwall 3 breaker, then turn the breaker ON.
    2. Turn the Powerwall 3 switch ON.
  5. Launch the Tesla One app.
    Informational PurposesAn informational icon, calling your attention
    Note
    Ensure Tesla One is updated to version 7.9.1 or greater, or install Tesla One if using for the first time.
  6. Navigate to Device Setup to begin commissioning.
  7. Select Scan and scan the Powerwall 3 QR label to connect to the TeslaPW Wi-Fi network.
    Informational PurposesAn informational icon, calling your attention
    Note
    Connect to Powerwall 3 to commission the system. Do not attempt to connect to Backup Gateway to commission.
  8. Address any alerts to complete commissioning.
  9. On the Powerwall 3Device page, compare the MPPT voltages with those listed on the planset to confirm the installation matches what is expected for the strings.
  10. Perform the Backup Test with solar.
  11. Install the Powerwall 3 front cover, fastening with the new T20 fasteners that were left with the customer.
  12. Leave the system running in Tesla One.
  13. Leave the Powerwall switch ON and the breaker CLOSED to enable charging.
Informational PurposesAn informational icon, calling your attention
Note
See the Powerwall 3 Device Setup Guide for instructions.
Informational PurposesAn informational icon, calling your attention
Note
The Powerwall 3 On / Off switch has a locking mechanism. When the switch is locked it cannot be turned on. See Powerwall 3 Switch Locking Mechanism for more information.