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Tesla Powerwall 3 with Backup Gateway 2 Installation Manual v1.3 07Mar25

Description

Powerwall 3 Installation Manual with Backup Gateway 2

 

APPENDIX H: REVISION HISTORY

Revision

Date

Description

1.3

March 7, 2025

  • Updated Powerwall 3 Specifications on page 6 to reflect updated Powerwall 3 IMP of 30 A and ISC of 38 A 

  • Updated Powerwall 3 Specifications on page 6, Required Supplies on page 34, and Install Powerwall and Generation Breakers in the Backup Gateway on page 57 to reflect that maximum continuous current is 48 A and a 63 A breaker is required for Powerwall 3 installations, regardless of configured power / current output 

  • Updated Energy Metering on page 24 with additional detail about monitoring Powerwall 3 systems 

  • Updated STEP 5: Connect Powerwall 3 to Backup Gateway on page 60 with instructions to install Tesla Grid Utility Ancillary Controller (GUAC) interface device for installations requiring DRM0 functionality 

  • Updated Prepare Ethernet Wiring with RJ45 Connectors on page 103 to reflect T-568A wire color standard

1.2

January 6, 2025

  • Updated Design Considerations on page 18 and STEP 7: Make Solar PV Connections on page 73 to reflect that third party MLPE solutions, such as optimizers, are not compatible with Powerwall 3

1.1

October 15, 2024

  • Added distance from center of each conduit hole to the floor in Choose Powerwall Cable Entry on page 38 

  • Updated PV wire requirements in Required Supplies on page 34 

  • Updated STEP 6: Make Powerwall 3 AC Circuit Connections on page 68 and STEP 7: Make Solar PV Connections on page 73 to clarify that it is best practice to connect the ground circuit before making any AC or PV connections

1.0

August 14, 2024

Initial publication

SITE REQUIREMENTS AND PRE-INSTALLATION GUIDANCE

Ensure Installation Meets All Local Codes and Requirements 

Powerwall 3 comes with a Backup Gateway 2 to enable integration with the electrical grid. Powerwall 3 communicates with Backup Gateway 2 by means of a wired connection; wiring and conduit (where required) must be provided by the installer and installed to comply with local codes. 

WARNING: When Powerwall 3 is installed in a dwelling unit, fire detection and protection equipment should be installed in accordance with local building and fire codes. 

WARNING: Powerwall is not intended for installation in habitable spaces and living spaces in dwelling units. 

WARNING: Install Powerwall in a location that prevents damage from flooding. 

CAUTION: When installing Powerwall in a garage or near vehicles, keep it out of the driving path. If possible, install Powerwall on a side wall and/or above the height of vehicle bumpers. 

CAUTION: Ensure that no water sources are above or near Powerwall, including downspouts, sprinklers, or faucets. 

CAUTION: Ensure that snow does not accumulate around Powerwall. 

CAUTION: Before installing, disconnecting, and/or adjusting current transformers for metering, ensure the circuits being measured are not energized and the system is completely powered down. Failure to de-energize the system may compromise operator and equipment safety. 

CAUTION: Tesla does not recommend installing Powerwall and Backup Gateway in direct sunlight. 

CAUTION: The Backup Gateway may not be recessed into a wall or cavity. 

NOTE: All installations must conform to the laws, regulations, codes, and standards applicable in the jurisdiction of installation.


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