I-768N
/ Series 768N FireLock NXT
™
Dry Valve
/ Installation, Maintenance, and Testing Manual
Charge
Line Ball
Valve
(Step 8)
Auto Drain
Sleeve
(Step 9)
INITIAL SYSTEM SETUP (CONTINUED)
Step 8:
Open the charge line ball valve. Allow water to flow through the auto
drain tube.
Step 9:
Verify that the charge line pressure is equal to the supply pressure, and
verify that the auto drain is set by pulling up on the auto drain sleeve.
Step
9a:
If a Series 746-LPA Dry Accelerator is installed, close
the 1/4-turn vent ball valve.
Step
9b:
If a Series 746-LPA Dry Accelerator is installed, open
the isolation ball valve. This will set the accelerator.
I-768N_12
REV_C
