25
Functional Tests
GB
G1 Integrated SCBA System
(6) To check the manual activation of the alarm, press and hold the alarm button on the front of
the control module until the alarm activates.
a) Listen for the power module to sound the tones of the full alarm.
b) Verify that the buddy lights are flashing red.
c) Verify that the red LED is displayed in the HUD.
(7) Reset the alarm by pressing the right reset button (green) on the side of the control module
two times within approximately one second.
(8) Close the cylinder valve fully.
(9) Activate flushing mode of lung governed demand valve, releasing all air pressure until the
pressure drops below 55 bar
5 bar for a 300 bar system
• A flashing red LED must display in HUD at the appropriate pressure.
• The primary low pressure warning device should be alarming.
• All of the buddy lights should be flashing red.
• The pneumatic light should illuminate.
• The alarms should continue until the air pressure is 15 bar or less.
(10) When the system pressure falls below 15 bar, turn the control module off (sleep mode) by
pressing the reset button (green) two times within approximately one second.
(11) Keep purge pressed to release any remaining pressure in the system.
(12) Release purge.
If the primary low pressure warning device, control module, power module, or HUD does not func-
tion properly, the SCBA must be removed from service.
Check function of SL Manifold - Low Pressure Warning Device (if applicable)
(1) Connect LGDV.
(2) Pressurize the system by opening the cylinder valve.
(3) Close the cylinder valve fully.
(4) Observe the pressure gauge.
(5) Activate flushing mode of lung governed demand valve, releasing all air pressure
Warning must sound at 55 bar
5 bar for a 300 bar system
5.7
Voice Projection Speaker Function
(1) Pressurize the system and ensure the alarm and control unit and HUD are turned ON.
(2) Attach the LGDV to a full face mask and begin breathing air. This will activate the LGDV and
start the voice amplification.
(3) Talk into the full face mask to ensure the voice projection speaker is operating properly.
(4) Press and hold the ON/OFF button on the voice projection speaker until the audible tone
sounds and the unit turns OFF.
The LED on the voice projection speaker should be OFF.
(5) Press and hold the on/off button on the voice projection speaker until the audible tone sounds
and the unit turns ON.
