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HELIOS ESS Decommissioning Checklist

This checklist is only for the battery energy storage system; further system-level decommissioning procedures on the full system may be required. Refer to the manuals of connected DC loads, power conversion equipment,

Disassemble, Recycle, and Dispose

PROCEDURE

CHECK

  1. Open disconnect devices to ensure there is no electrical connection to any externally connected Power Conversion Equipment.

  1. Turn off each battery one by one using the battery ON/OFF push buttons.

  1. Use a multimeter to verify there is no voltage on the battery terminals.

  1. Disconnect and remove battery cables from the inverter and batteries.

  1. Disconnect and remove CAT6 or higher communication cables.

  1. If using conduit box:

    • Disconnect and remove conduit.

    • Remove cable glands and grommets.

    • Remove the conduit box.

  1. Remove the screws holding the battery to the Wall-Mount Adapter.

  1. Using a two or three-person lift or mechanical aid, detach the battery from the Wall-Mount Adapter.

  1. Remove the Wall-Mount fasteners and detach the Wall-Mount Bracket.

  1. Recycle all recyclable components.

  1. Dispose of unrecyclable components following local waste disposal guidelines.

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