Step 11. Close the Wiring Compartments and Turn On the System
1. Arrange the communication and AC power wires inside the Powerwall wiring compartment.
2. Ensure that all conduit or cable gland junctions and cable entry points are secure and
3. Replace the cover on the wiring compartment. Ensure that the cover seats properly on the
gasket so that the compartment is sealed. Tighten the fasteners using the provided Torx T20
bit. Torque to 1.5 Nm (13 lb-in).
4. Replace the left side cover on Powerwall by pushing the top into place and working toward
the bottom to reattach it to the clips along the length of the unit.
5. Replace the dead front panel in the Backup Gateway and remount its door.
6. Switch on the circuit breaker to the Backup Gateway.
7. Switch on Powerwall by moving the switch on the right side of the unit to the ON position.
When Powerwall establishes communication with the Backup Gateway, the LED on the right
side of Powerwall illuminates.
Figure 40: Switching Powerwall On
Step 12. Commission the Backup Gateway and Verify System Operation
After all components of the system have been turned on, do the following to begin the Backup
Gateway commissioning process:
1. Using any web-capable wireless device, establish communication with the Backup Gateway
over the local wireless network.
2. Connect to the Backup Gateway web interface: the username is your email address, and the
password is the Backup Gateway serial number.
3. Follow the on-screen steps to commission the system.
4. Apply any firmware updates to the Backup Gateway and Powerwall as required.
5. Verify that Powerwall is receiving commands from the Backup Gateway and is capable of
charging and discharging correctly in response to the corresponding commands.