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ON) and,
The start valve is open and‐
N3 < 50 %.‐
2. On ground, reopening of the valves is delayed 1 min to avoid a
supplementary pack closure cycle during subsequent engine start :
Any door is not closed and locked, aircraft on ground, and any engine running‐
Fire pushbutton pressed for the engine on the related side‐
‐Ditching is selected.
Note: If there is no electrical power, the flow valves remain open and permit
NORM flow.
OFF : The pack flow control valve closes, provided it is electrically-supplied.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AIR COND / PRESS / VENT
AIR CONDITIONING - CONTROLS AND INDICATORS
A330/A340 FLEET DSC-21-10-50 P 4/16
FCOM 19 AUG 10
FAULT lt : The amber light and associated ECAM caution comes on, when the pack flow
control valve position disagrees with the selected position, or in the case of
compressor outlet overheat or pack outlet overheat.
(2) PACK FLOW selector
Selects the pack flow, depending on the number of passengers, and on the ambient conditions
(smoke removal, hot or wet conditions) : LO (80 %) - NORM (100 %) - HI (125 %). If one bleed
fails, the flow is limited to 80 %. any selection is irrevelant in single pack operation, or with
theAPU bleed supply . In these cases, HI pack flow demand is generated automatically.
(3) Zone temperature selector
12 o'clock position : 24 °C (76 °F)‐
COLD position : 18 °C (64 °F)‐
HOT position : 30 °C (86 °F)‐
(4) HOT AIR 1 (or 2) pushbutton
On : The valve regulates hot air pressure.
OFF : The valve closes. The FAULT circuit is reset.
Forward cargo heating is lost, if HOT AIR 1 is affected.
FAULT lt : The amber light and associated ECAM caution come on, when a duct overheat
is detected (88 °C/190 °F). The valve, and the associated trim air valves close
automatically. The FAULT light goes off, when the temperature drops below
70 °C (158 °F), and the flight crew selects OFF.
(5) RAM AIR pushbutton (guarded)
ON : The ON light comes on white.
If the DITCHING pushbutton, on the CABIN PRESS panel, is in the normal position :
The RAM air inlet opens.‐
If ‐▵P < 1 PSI : Each outflow valve opens to about 50 % when under automatic
control. They do not automatically open when under manual control. The
emergency ram air flow is directly supplied to the mixer unit.
If ‐▵P ≥ 1 PSI : Each outflow valve remains normally-controlled. No emergency ram
air flows in.
Off : The RAM air inlet closes, and the outflow valves return to the normal position.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AIR COND / PRESS / VENT
AIR CONDITIONING - CONTROLS AND INDICATORS
A330/A340 FLEET DSC-21-10-50 P 5/16
FCOM 19 AUG 10
OVERHEAD PANEL (CONT'D)
Applicable to:
(1) CAB FANS pushbutton
On : The two cabin fans run. The air from the cabin is blown to the avionics compartment
and also to the mixer unit of the conditioning systems.
OFF : The two cabin fans stop.
Note: If a fan failure occurs, the ECAM caution is displayed.
OVERHEAD PANEL (CONT'D)
Applicable to: ,
(1) CAB FANS pushbutton
On : The two cabin fans run. The air from the cabin is blown to the avionics compartment
and also to the mixer unit of the conditioning systems.
OFF : The two cabin fans stop.
Note: If a fan failure occurs, the ECAM caution is displayed.
FWD ATTENDANT PANEL
Applicable to:
Allows fine-tuning of individual zone temperature (± 2,5 °C/± 4.5 °F).
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AIR COND / PRESS / VENT
AIR CONDITIONING - CONTROLS AND INDICATORS
A330/A340 FLEET DSC-21-10-50 P 6/16
FCOM 19 AUG 10
FWD ATTENDANT PANEL
Applicable to: ,
Allows fine-tuning of individual zone temperature (± 3 °C/± 5.4 °F).
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AIR COND / PRESS / VENT
AIR CONDITIONING - CONTROLS AND INDICATORS
A330/A340 FLEET DSC-21-10-50 P 7/16
FCOM 19 AUG 10
ADDITIONAL ATTENDANT PANEL
Applicable to:
Additional attendant panels can be installed in different locations.
The temperature setting of the related zone can be changed (± 2,5 °C/± 4.5 °F).
ADDITIONAL ATTENDANT PANEL
Applicable to: ,
Additional attendant panels can be installed in different locations.
The temperature setting of the related zone can be changed (± 3 °C/± 5.4 °F).
ECAM BLEED PAGE
Applicable to:
(1) Pack flow control valve
Inline - Green : The valve is open.
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A330/A340机组操作手册 FLIGHT CREW OPERATING MANUAL FCOM 1(10)
