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discharge for a minimum of 60
minutes.
OUT OUT OUT
D. Testing
Testing is initiated using the TEST switch located on the Fire Detection / FIREX Monitor
Panel, on the overhead panel. Test results are provided on the EICAS displays. The
FIDEEX control unit monitors the fire protection systems by automatically performing
periodic checks.
Vol. 1 10--20--16
FIRE PROTECTION
Fire Detection and Extinguishing (FIDEEX) REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
Fire Detection and Extinguishing (FIDEEX) --- Testing <1001>
Figure 10---20---10
FIRE SYS FAULT
Fire Detection/FIREX Monitor Panel
Overhead Panel
FIRE SYS FAULT caution (amber)
Indicates loss of all ARINC communication
to the FIDEEX system.
FIRE SYS OK advisory (green)
Indicates that FIDEEX system has been tested
and is operational.
FIRE SYS FAULT status (white)
Indicates a loss of redundancy in the
FIDEEX system.
FIRE SYS OK
FIRE SYS FAULT
Status Page
Primary Page
Vol. 1 10--20--17
FIRE PROTECTION
Fire Detection and Extinguishing (FIDEEX) REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
E. System Circuit Breakers
SYSTEM SUB--SYSTEM CB NAME BUS BAR CB
PANEL
CB
LOCATION
NOTES
Cargo Smoke
CARGO
SMOKE DET A M8
Detection CARGO
SMOKE DET B
BATTERY
M9
FIDEEX
Fire Detection
FIRE DET A
BUS
1 N1
FIRE DET B N2
Fire FIREX A DC
R2
Extinguishing FIREX B
EMERGENCY R3
Vol. 1 10--20--18
FIRE PROTECTION
Fire Detection and Extinguishing (FIDEEX) REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
THIS PAGE INTENTIONALLY LEFT BLANK
Vol. 1 10--30--1
FIRE PROTECTION
Lavatory REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
1. LAVATORY FIRE PROTECTION
Lavatory fire detection and protection for each lavatory consists of a ceiling mounted smoke
detector and a waste compartment fire extinguisher. <2202>
A. Detection
A smoke detector, in each lavatory, monitors for the presence of smoke. When the
smoke density exceeds a preset level, the detector sounds an aural alarm and a
SMOKE FWD (AFT) LAV warning message is displayed on the EICAS primary page.
The lavatory smoke detector is not connected to or monitored by the FIDEEX control
unit. <2202>
The smoke detectors can be tested by pressing the test button on the detector. During
the test, an aural alarm sounds in the lavatory, the red alarm light on the detector
comes on and a SMOKE FWD (AFT) LAV warning message is displayed on EICAS
primary page. The system is reset by pressing the interrupt button on the detector.
<2202>
NOTE
Operation of mobile transceivers in close proximity to the
smoke detectors may cause a false alarm.
Smoke Detector
Figure 10---30---1
Smoke Detector
Lavatory Ceiling
700 and 2000 Hz tone
Test Pushbutton
Used to test smoke detector.
When pressed in:
Aural alarm comes on.
Alarm light comes on.
EICAS warning message
is displayed.
Interrupt Pushbutton
Used to reset smoke detector.
Alarm Light (red)
Comes on with the
aural alarm to indicate
that a smoke condition
exists in the lavatory.
Power Light (green)
Comes on to indicate
that the unit is powered.
Vol. 1 10--30--2
FIRE PROTECTION
Lavatory REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
Smoke Detector EICAS Indications <1001,2202>
Figure 10---30---2
SMOKE AFT LAV
SMOKE AFT or FWD LAV warning (red)
Indicates that a smoke condition
exists in the lavatory.
SMOKE FWD LAV
Primary Page
B. Extinguishing
Fire extinguishing in the lavatory waste paper towel container is done automatically.
The system consists of a disposable extinguisher bottle and a dual discharge nozzle.
The bottle is mounted near the waste container with the nozzles extending into the
waste container. The end of each discharge nozzle is sealed with a heat sensitive
capsule which, when subjected to heat, melts to release the extinguishing agent into
the waste container.
A temperature sensor installed on the inside of the waste compartment door is used to
provide evidence that high temperature has occurred in the waste compartment and
that the extinguisher bottle may have discharged. The sensor is a heat sensitive strip
with a temperature scale that turns black when the temperature in the compartment
exceeds 160_F (71_C).
　
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