Install the Solar Inverter Door and Turn the System On

  1. Before closing any installed hardware, take photos of the completed wiring in the Solar Inverter and main distribution board.
  2. Ensure that all conduit junctions and cable entry points are secure and properly sealed.
  3. Mount the Solar Inverter door.
    Figure 1. Install the Glass Door
  4. Clean out the Solar Inverter enclosure and vacuum out any dust.
  5. Install the grounding jumper:
    1. Connect the jumper to the grounding bolt on the inside of the Solar Inverter Door.
    2. Install the provided M5 nut with 8 mm drive on the grounding bolt and torque to 1.5 - 2.5 Nm to secure the jumper in place.
      Figure 2. Grounding Jumper Secured to Door
  6. Close the Solar Inverter door and latch it shut.
  7. Using a Phillips head screwdriver, tighten the captive screw on the Solar Inverter door to secure it.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    Warning
    Tightening this screw is absolutely necessary to prevent untrained persons from opening the Solar Inverter door, which would expose them to energized conductors.
    Informational PurposesAn informational icon, calling your attention
    Note
    If desired, the Solar Inverter door can be locked shut by placing a lock on the door hasp.
  8. Use the provided breaker label sheet to clearly label the circuit breaker.
  9. Install signage complying with local AHJ requirements at the Rapid Shutdown initiator. Depending on the installation, it will be at the main AC breaker, at the AC system disconnect, AND/OR at the System Shutdown switch. See Appendix E: Solar Inverter Rapid Shutdown for a label example and diagrams of label placement in common system configurations.
  10. Switch on the Solar Inverter AC circuit breaker.
    Informational PurposesAn informational icon, calling your attention
    Note
    Leaving the Solar Inverter on and operating is preferred and recommended. The system will automatically be in a temporary Non-Export Self-Powered Mode while waiting for Permission to Operate (PTO). This allows the customer to immediately start reaping the financial benefits of their system.
    When PTO is received from the utility, there are two methods to enable grid export: