4
HELIX™ Manual
(P/N 26291)
Table of Contents
Rev A (February 2018)
HELIX™ PCU
Fire Suppression System
6.1.1 Recharge Adapter
............................................................................................
94
6.1.2 Hydrotest Adapter
...........................................................................................
94
6.1.3 Distribution Hose Blowout Adapter
...................................................................
94
6.1.4 Tee Handle
......................................................................................................
95
6.1.5 2 ½” Tight Access Open End Pump Wrench
....................................................
95
6.1.6 Pneumatic Actuation Network Test Adapter
.....................................................
95
6.2 Recharge Instructions
...............................................................................................
96
6.2.1 Agent Cylinder Control Head Removal & Cleaning
..........................................
96
6.2.2 Purging the Agent Distribution Network
...........................................................
99
6.2.3 Agent Cylinder Removal
..................................................................................
99
6.2.4 Agent Cylinder Valve Removal & Cleaning
......................................................
99
6.2.5 Agent Cylinder Refill
........................................................................................
101
6.2.6 Agent Cylinder Valve Installation & Agent Cylinder Charging
...........................
101
6.2.7 Actuator Removal & Cleaning
..........................................................................
102
6.2.8 Pneumatic Actuation Network Testing
..............................................................
103
6.2.9 Nitrogen Cylinder Recharge
.............................................................................
104
Chapter 7: System Alarms & Troubleshooting
.....................................................................
107
7.1 System Alarm Condition
.............................................................................................
107
7.2 Service System (Fault) Condition
...............................................................................
108
7.3 Battery Fault Condition
..............................................................................................
109
7.4 Actions to Take if a Fire Condition is Witnessed
.........................................................
109
7.5 Event Log
...................................................................................................................
109