Tesla POWERWALL 2 AC Installation Manual

Name: Tesla POWERWALL 2 AC
Brand: Tesla
Rating: 5 (1 reviews)

91 pages

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Powerwall 2 AC Installation Manual

with Backup Gateway 2

PDF CSS Front Cover Template

Default Chapter4
- Table of Contents4
General Warnings and Information6
Specifications8
- Powerwall Specifications8
- Backup Gateway 2 Specifications10
Registering Powerwall11
Site Requirements and Pre-Installation Guidance12
- Powerwall and Backup Gateway 2 Installation Requirements12
- Powerwall Physical Requirements13
- Powerwall Identification14
- Powerwall Optimum Temperature Range14
Preparing for Installation15
- In the Powerwall Box15
  - In the Powerwall Accessory Bag15
- In the Backup Gateway 2 Box16
  - In the Backup Gateway 2 Accessory Bag16
- Required Tools17
- Required Supplies17
- Optional Accessory Kits and Orderable Parts17
STEP 1: Plan the Installation Site19
- Choose a Location19
- Choose Powerwall Cable Entry19
- Choose Backup Gateway Cable Entry19
- Plan the Electrical Service Connection to Backup Gateway19
- Plan Amount and Size of Conduit or Raceway19
- Plan Distance between Components20
STEP 2: Mount Powerwall and the Backup Gateway21
- Anchor the Powerwall Mounting Bracket21
- Mount Powerwall on the Bracket22
- Mount the Backup Gateway25
STEP 3: Configure the Backup Gateway for Wiring27
- Remove Neutral-Ground Bonding Strap from Backup Gateway if Not Installed as Service Equipment27
STEP 4: Make AC Power Connections28
- Install Main Breaker in Backup Gateway28
- Make AC Power Connections to Supply and Load Panels28
- Install Optional Internal Panelboard in the Backup Gateway30
STEP 5: Make Communications Connections32
- Connect Powerwall to the Backup Gateway32
- Install Optional Remote Disable Switch35
STEP 6: Install Energy Metering for the System37
- About Energy Metering37
- Site and Solar Metering for Backup Gateway 237
- Install Tesla 100A Cts38
STEP 7: Complete the Installation39
- Plan Internet Connection for the Backup Gateway 239
- Close the Wiring Compartments and Turn the System on39
STEP 8: Commission the System41
- Commission the System41
- Finish and Demonstrate the Installation43
- Troubleshooting43
- Technical Support43
- Maintenance43
Appendix A: Powerwall Mounting Details44
- Powerwall Space Requirements44
- Mounting Bracket Anchoring Details45
Appendix B: Wiring Reference48
- Powerwall Wiring48
- Backup Gateway 2 Wiring49
- Backup Gateway 2 Communication Wiring50
- Eaton Breakers51
Appendix C: System Wiring Diagrams52
- Overview52
- Whole-Home Backup52
- Partial-Home Backup55
Appendix D: Configure Energy Metering59
Appendix E: Installing a Neurio Energy Meter60
- Neurio Energy Meter Overview60
- Wireless Communication to the Backup Gateway60
- Wired Communication to the Backup Gateway60
- Meter Voltage Taps62
- Current Transformer Placement62
- Voltage Tap and Current Transformer Connections62
- Meter Placement and CT Wire Lengths63
- Current Transformer Orientation63
- Current Transformer Capacity63
- Metering Split-Phase Solar with a Single CT65
- Installing the Meter65
Appendix F: Feature Notes66
- Configuring Site Limits66
- Configuring Conductor Export Limits66
- Load Shedding66
Appendix G: Installation Troubleshooting68
- Accessing the Powerwall User Interface68
- Updating Firmware68
- Configuring Energy Meters68
- Reset the Backup Gateway70
- Power Cycle the System70
Appendix H: Multi-Powerwall Installations71
- Electrical Equipment Sizing and Overcurrent Protection71
- Multi-Powerwall Installations with the Stack Kit76
Appendix J: Revision Log90

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Questions and Answers:

D
daniel27Jul 27, 2025
What to do if my Tesla Storage Backup Gateway and Powerwall are both unresponsive?
- H
  Howard JonesJul 27, 2025
  If your Tesla Storage Backup Gateway and Powerwall are both unresponsive, follow these steps: 1. Turn off Powerwall using its On/Off switch. 2. Turn off the AC breakers for the Backup Gateway and Powerwall. 3. Wait at least one minute. 4. Turn the AC breakers back on. 5. Turn on Powerwall.