181922 Rev B
5
Controlled by ECCN:EAR99
PROPRIETARY INFORMATION –
Refer to the restrictions provided on the Title Page of this document.
EAR DATA
- Subject to the export control restrictions on the Title
Page of this document or file
GAS SIGNIFICANT LEAK (50% LEL) SCENARIO
When a gas sensor detects a significant leak, the Protection Panel’s GAS LEAK indicator
illuminates (steady-on) and an audio alarm sounds. The gas LEAK indicator and the audible
alarm warnings will stay on until the TEST/RESET button on the Protection Panel is pressed.
The status indicator on the individual Gas Leak Detector that detected the significant gas leak
will remain illuminated solid red until the system is reset in accordance with system reset portion
of this manual.
SYSTEM FAULT SCENARIO
The Protection Panel continuously monitors system integrity and displays the status via the
SYSTEM OK, FIRE TROUBLE, and GAS TROUBLE indicators. Refer to the Component
Description, Protection Panel portion of this manual for the operational description of the
indicators.
COMPONENT DESCRIPTION
PROTECTION PANEL (413484-1345)
The protection panel is located in the driver’s area and displays the current system status. The
Protection panel comprises the following:
SYSTEM OK indicator
o
Illuminates solid green when appropriate power is applied to the system and no
trouble conditions exists
o
Illuminates blinking green when power is low (under 22VDC)
o
Off when power is insufficient
o
Off when TROUBLE indicator is illuminated
FIRE TROUBLE indicator
Illuminates blinking yellow when a fault exists in the fire detection and suppression
circuits
Fire ALARM indicator
o
Illuminates solid red when a fire is detected
o
Illuminates blinking red when the MANUAL DISCHARGE switch is activated
Gas TROUBLE indicator
Illuminates solid yellow when a fault exists in the gas detection circuit
Gas ALARM indicator
o
Illuminates blinking red when trace gas is detected (greater than 20%, but less than
50%)
o
Illuminates solid red when significant gas is detected (greater than 50%)
Audible
alarm
o
Intermittent sound indicates fault condition when SYSTEM OK indicator is
extinguished
o
Intermittent sound indicates low power condition when SYSTEM OK indicator is
blinking
o
Continuous sound indicates fire alarm, manual discharge, or significant gas alarm
