Victaulic FireLock NXT 776 Series User Manual

7. Tripthevalvebydoingoneofthefollowing:
a. Energize the solenoid valve
b. Relieve the air pressure from the pilot line
c. Open the manual pull station
8. Confirm that the diaphragm charge line’s pressure drops to zero
and that water is flowing through the auto drain to the drip cup.
Water Supply Main
Control Valve
9. Close the water supply main control valve fully.
10. Close the remote system test valve (inspector’s test connection) or
the system main drain valve. NOTE: The system main drain valve
is shown above.
11. FORPNEUMATIC(DRYPILOT)RELEASESYSTEMS:SHUTOFF
THEAIRSUPPLY.
12. Close the diaphragm-charge-line ball valve.
13. Perform all steps in the “Placing the System in Service” section.
I-769D_31
FireLockNXT™DelugeValve
SERIES 769
I-769DINSTALLATION,MAINTENANCE,ANDTESTINGMANUAL
www.victaulic.com
VICTAULIC IS A REGISTERED TRADEMARK OF VICTAULIC COMPANY. © 2007 VICTAULIC COMPANY. ALL RIGHTS RESERVED. PRINTED IN THE USA.
REV_D

Victaulic FireLock NXT 776 Series Specifications

General

Brand	Victaulic
Model	FireLock NXT 776 Series
Category	Control Unit
Language	English