805-0092 AES 210HV Installation Manual
805-0092 AES 210HV Installation Manual
Breadcrumbs

Lockout Tag-out Procedures

image-20250327-220715.png

Designated Lockout Points and the Components Disconnected

image-20250327-222658.png

AES 210HV Lock Out and Tag Out

warning.png

ELECTRIC SHOCK HAZARD

  • Access to internal systems of this product is restricted to qualified personnel only. Keys should be securely stored in a lock box and kept out of reach of untrained individuals.

  • Before servicing the battery cabinet, follow all procedures to fully de-energize the system.

  • Attach lockout devices to all energy isolation points of the system.

  • Attach tags at each isolation point to ensure the system is not accidentally reconnected.

Failure to follow these instructions may result in death or serious injury.

  1. Prepare for Shutdown

    • Notify all affected personnel of the intended shutdown of the battery cabinet.

    • Identify all energy sources connected to the battery cabinet, such as electrical, DC, and AC.

  2. Shutdown Battery Cabinet

  3. Isolate Energy Sources

    • To fully isolate the battery cabinet from all sources, disconnect or turn off all energy sources, such as AC disconnects (VLD, Visible Lockable Disconnect), AC breakers, and DC disconnect switches.

    • Remove the battery pack Manual Service Disconnect (MSD) from each battery pack to completely isolate the batteries.

  4. Apply Lockout Devices

    • Attach lockout devices to all energy isolation points of the system. Shut and lock all cabinet doors where necessary.

    • Ensure each lock is uniquely keyed and accessible only by the person performing the lockout.

  5. Apply Tags

    • Attach a tag at each isolation point indicating the reason for the lockout, the responsible person, and the date/time.

    • Ensure tags are durable and highly visible.

  6. Verify Isolation

    • Verify with a voltmeter or other voltage sensing device that the terminals are no longer electrically live (AC, DC, or other).

  7. Perform Maintenance/Service

    • Conduct the necessary maintenance or service while the battery cabinet remains locked out.

  8. Restore Power

    • After completing all work, remove all tools and ensure the area around the battery cabinet is clear.

    • Have the person who installed the locks and tags remove them in reverse order.

    • Restore power to the battery cabinet and notify personnel that it is back in operation.