Victaulic FireLock NXT 776 Series - Page 35

10. Close the diaphragm-charge-line ball valve.
11. FORPNEUMATIC(DRYPILOT)RELEASESYSTEMS:SHUTOFF
THEAIRSUPPLY.
12. Open the system main drain valve to drain the system.
13. After the system is properly drained, close the remote system test
valve (inspector’s test connection).
14. Close the system main drain valve.
15. Perform all steps in the “Placing the System in Service” section.
I-769D_33
FireLockNXT™DelugeValve
SERIES 769
I-769DINSTALLATION,MAINTENANCE,ANDTESTINGMANUAL
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