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system. Each detector is linked to one of the two detection loops of the system (dual loop
principle).
‐ The Smoke Detection Control Unit (SDCU) receives signals from the two detectors, and transmits
them to the ECAM, which displays a warning in the cockpit.
Smoke activates the avionics smoke warning, if :
‐ Both detectors detect it for more than 5 s, or
‐ One smoke detector detects it for more than 5 s, and the other is inoperative.
When smoke is detected :
‐ The Repetitive Chime sounds
‐ The MASTER WARNING light, on the glareshield, comes on
‐ The ECAM displays a caution on the E/WD
‐ The SMOKE light, on the VENTILATION panel, comes on.
DESCRIPTION
Applicable to: ,
Avionics smoke detection is provided by :
‐ Two (optical) smoke detectors installed in the air extraction duct of the avionics ventilation system.
Each detector is linked to one of the two detection loops of the system (dual loop principle).
‐ The Smoke Detection Control Unit (SDCU) receives signals from the two detectors, and transmits
them to the ECAM, which displays a warning in the cockpit.
Smoke activates the avionics smoke warning, if :
‐ Both detectors detect it for more than 5 s, or
‐ One smoke detector detects it for more than 5 s, and the other is inoperative.
When smoke is detected :
‐ The Repetitive Chime sounds
‐ The MASTER WARNING light, on the glareshield, comes on
‐ The ECAM displays a caution on the E/WD
‐ The SMOKE light, on the VENTILATION panel, comes on.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
AVIONICS BAY - DESCRIPTION
A330/A340 FLEET DSC-26-30-10 P 2/4
FCOM 19 AUG 10
SCHEMATIC
Applicable to: ALL
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
AVIONICS BAY - DESCRIPTION
A330/A340 FLEET DSC-26-30-10 P 3/4
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
AVIONICS BAY - DESCRIPTION
Intentionally left blank
A330/A340 FLEET DSC-26-30-10 P 4/4
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
AVIONICS BAY - CONTROLS AND INDICATORS
A330/A340 FLEET DSC-26-30-20 P 1/2
FCOM 19 AUG 10
OVERHEAD PANEL
Applicable to: ALL
(1) AVNCS SMOKE
SMOKE lt : Comes on red along with a warning on ECAM, when smoke is detected in the
avionics ventilation duct.
Note: For test, Refer to DSC-26-50-30 OVERHEAD PANEL
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
AVIONICS BAY - CONTROLS AND INDICATORS
Intentionally left blank
A330/A340 FLEET DSC-26-30-20 P 2/2
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
AVIONICS BAY - WARNINGS AND CAUTIONS
A330/A340 FLEET DSC-26-30-30 P 1/2
FCOM 19 AUG 10
WARNINGS AND CAUTIONS
Applicable to:
E /WD: FAILURE TITLE
conditions
AURAL
WARNING
MASTER
LIGHT
SD PAGE
CALLED
LOCAL
WARNING
FLT PHASE
INHIB
AVNCS VENT SMOKE
Smoke detected in the ventilation
extraction duct
REPETITIVE
CHIME
MASTER
WARN NIL
SMOKE lt on
VENTILATION
panel
4, 5, 7, 8
AVIONICS DET FAULT
Loss of the avionic smoke detectors NIL NIL NIL NIL 3, 4, 5, 7, 8
WARNINGS AND CAUTIONS
Applicable to: ,
E /WD: FAILURE TITLE
conditions
AURAL
WARNING
MASTER
LIGHT
SD PAGE
CALLED
LOCAL
WARNING
FLT PHASE
INHIB
AVNCS VENT SMOKE
Smoke detected in the ventilation
extraction duct
REPETITIVE
CHIME
MASTER
WARN NIL
SMOKE lt on
VENTILATION
panel
4, 5, 7, 8
AVIONICS DET FAULT
Loss of the avionic smoke detectors NIL NIL NIL NIL 3, 4, 5, 7, 8
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
AVIONICS BAY - WARNINGS AND CAUTIONS
Intentionally left blank
A330/A340 FLEET DSC-26-30-30 P 2/2
FCOM 19 AUG 10
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
AVIONICS BAY - ELECTRICAL SUPPLY
A330/A340 FLEET DSC-26-30-40 P 1/2
FCOM 19 AUG 10
BUS EQUIPMENT LIST
Applicable to: ALL
NORM EMER ELEC
AC DC DC BAT AC ESS DC ESS HOT
AVIONICS SSDDCCUU 12 DC 2 SHED
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FIRE PROTECTION
AVIONICS BAY - ELECTRICAL SUPPLY
Intentionally left blank
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 2(126)
