Appendix C: System Wiring Diagrams

      The following diagrams are intended for illustration purposes only. Drawings represent sample site layouts to show example system layout and metering. These diagrams should not be considered complete plan sets.

      • Overview
      • Single-Phase Service (TN Network)
      • Three-Phase Service (TN Network)
      • Powerwall 3 Installation Manual with Backup Gateway 2
      • General Warnings and Information
      • Specifications
        • Powerwall 3 Specifications
        • Powerwall 3 Expansion Specifications
        • Backup Gateway 2 Specifications
          • Tesla 100A CT Specifications
        • Tesla Remote Energy Meter Specifications
      • Registering Powerwall 3
      • Powerwall 3 System Overview
        • Powerwall 3 Overview
      • Powerwall 3 System Design Guidance
        • Design Considerations
        • System Sizing
          • Backup Loads Supported per Powerwall Quantity
          • Powerwall 3 DC System Sizing
          • AC-Coupled Solar System Sizing
          • Undersized Powerwall 3 Systems
        • Energy Metering
      • Site Requirements and Pre-Installation Guidance
      • Preparing for Installation
        • In the Powerwall 3 Box
          • In the Powerwall 3 Accessory Bag
        • In the Backup Gateway 2 Box
          • In the Backup Gateway 2 Accessory Bag
        • Powerwall 3 Service Parts, Orderable Parts, and Accessories
        • Required Tools
        • Required Supplies
      • STEP 1: Plan the Installation Site
        • Choose a Location that Meets Powerwall 3 Clearance Requirements
        • Plan Powerwall 3 Mounting Configuration
        • Plan Cable Length Between Components
        • Choose Powerwall Cable Entry
        • Plan Amount and Size of Conduit or Raceway
      • STEP 2: Remove Powerwall 3 from Packaging and Transport Using the Powerwall Dolly
      • STEP 3: Wall-Mount Powerwall 3 Using Wall Bracket
      • STEP 4: Install Backup Gateway 2
        • Mount the Backup Gateway
        • Verify Neutral-Earth Bonding Scheme
        • Make AC Power Connections to Supply and Load Panels
        • Install Powerwall and Generation Breakers in the Backup Gateway
        • Configuring Powerwall(s) on Three-Phase Installations
        • Inverter Configuration
      • STEP 5: Connect Powerwall 3 to Backup Gateway
      • STEP 6: Make Powerwall 3 AC Circuit Connections
      • STEP 7: Make Solar PV Connections
      • STEP 8: Install Clamp-on Ferrite Cores
      • STEP 9: Install Energy Metering
        • Install Tesla 100 A CTs
        • Install Tesla Remote Energy Meter and CTs
          • About Tesla Remote Energy Meter
          • Install the Tesla Remote Energy Meter and CTs
      • STEP 10: Complete the Installation
        • Plan Internet Connection for Powerwall
        • Close Backup Gateway 2 Wiring Compartment
      • STEP 11: Turn On and Commission the System
        • Commission the System Ahead of Solar Installation
        • Commission the System After Powerwall and Solar Installation
      • STEP 12: Install Powerwall 3 Front Cover
      • STEP 13: Demonstrate the Installation
        • Technical Support
        • Maintenance
      • Appendix A: Powerwall 3 Anchoring Details
        • General Anchoring Notes
        • Anchoring Details for Ground- or Wall-mounting Powerwall 3 with Wall Bracket on Existing Approved Foundation
        • Powerwall 3 Center of Mass
      • Appendix B: Wiring Reference
        • Powerwall 3 AC and PV Wiring
        • Tesla Asset Controller (TACO) Low Voltage and Communication Wiring
          • Prepare Ethernet Wiring with RJ45 Connectors
        • Backup Gateway 2 Wiring
        • Backup Gateway 2 Communication Wiring
        • Residual Current Devices (RCDs) / Residual Current Circuit Breakers with Overcurrent Protection (RCBOs)
      • Appendix C: System Wiring Diagrams
        • Overview
        • Single-Phase Service (TN Network)
        • Three-Phase Service (TN Network)
      • Appendix D: Safety Features
        • Powerwall 3 Switch Locking Mechanisms
        • Arc Fault Detection and Protection
        • Protective Earth Impedance Check
        • System LED Behavior
          • Powerwall 3 LED Behavior
      • Appendix E: Installing Multiple Powerwall 3 Units and/or Expansion Units
        • Install Multiple Powerwall 3 Units
        • Install Expansion Units with Powerwall 3
          • Install Stacked Expansion Units
          • Wall Mount an Expansion Unit
      • Appendix F: Shutting Down Powerwall 3
      • Appendix G: Troubleshooting
        • Situations in Which Powerwall 3 Stops Grid Forming
      • Appendix H: Regional Grid Code Settings
      • Appendix I: Revision History
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