Accelerator Division ES&H Department

L:LVV

Control Device : L:CRDEV

Areas Protected : Linac Enclosure

Test Procedure

1. Call up digital status for L:CRDEV.

2. Open the gate valve L:LVV by issuing an on command via the digital status page to the critical device controller.

3. Verify the digital status for L:CRDEV indicates the gate valve L:LVV is open.

4. Issue an off command from the digital status page to the critical device controller.

5. Verify the digital status for L:CRDEV indicates the gate valve L:LVV is closed.

6. Document the results in the MCR Logbook.