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‐ INR inlet valves.
Aft transfer is inhibited.
FAULT lt : The amber light and the ECAM caution come on when :
‐ The INR tank low level is reached and outer tank is not empty, or
‐ The FCMC is unable to carry out the transfer to the INR tanks.
‐ The FUEL LO TEMP warning is triggered.
(6) X FEED pushbutton
AUTO : The valve automatically opens in electrical emergency configuration
ON : The valve opens.
OPEN lt : The green light comes on when the valve is fully open.
OVERHEAD PANEL
Applicable to: ,
(1) L (or R) 1 (2) pushbutton
On : Pump is on.
OFF : Pump is off.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FUEL
CONTROLS AND INDICATORS
A330/A340 FLEET DSC-28-20 P 7/38
FCOM 19 AUG 10
FAULT lt : The amber light and the ECAM caution come on, when the delivered pressure
drops. It is inhibited when OFF is selected.
(2) L (or R) STBY pushbutton
On : Standby pump runs when associated main pump is failed or off.
OFF : Pump is off.
FAULT lt : The amber light and the ECAM caution come on, when the delivered pressure
drops. It is inhibited when OFF is selected, or the main pump is running.
(3) L (or R) CTR TANK pushbutton
On : The CTR tank pump runs permanently . Appropriate valves control the transfer.
The pump stops automatically, when the tank is empty.
OFF : The pump is off.
FAULT lt : The amber light and the ECAM caution come on, when :
‐ The delivery pressure drops, or
‐ Or, the trim pipe ISOL valve is failed open.
‐ Or, a manual transfer from the CTR tank is required (failure of automatic
transfer) and both INR tank quantities are above 17 000 kg (37 520 lb).
‐ Or, one outer or INR inlet valve is failed open and both INR tank quantities are
above 17 000 kg (37 520 lb).
Is inhibited when off is selected.
(4) T. TANK MODE pushbutton
AUTO : The FCMC controls the CG.
FWD : Initiates a manual forward transfer to the CTR tank, by opening :
‐ The trim tank ISOL valve,
‐ The auxiliary forward transfer valve,
And by closing :
‐ The trim pipe ISOL valve,
‐ The aft transfer valves.
And, by operating the trim tank forward transfer pump.
CTR tank overflow must be manually prevented.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FUEL
CONTROLS AND INDICATORS
A330/A340 FLEET DSC-28-20 P 8/38
FCOM 19 AUG 10
FAULT lt : The amber light and the ECAM caution come on when :
‐ The FMGS detects an excess aft CG, based on the THS position (independent
of fuel quantity), or
‐ The FCMC is unable to carry out the forward transfer.
‐ The FUEL LO TEMP warning is triggered.
(5) T. TANK FEED sel
AUTO : Stops the forward transfer when the trim tank is at low level, to maintain the
transfer line full.
ISOL : The transfer line is isolated as the following valves close :
‐ trim tank ISOL valve
‐ trim tank inlet valve
‐ auxiliary forward transfer valve
‐ trim pipe ISOL valve.
The trim tank forward transfer pump stops.
OPEN : The valves used during a manual forward transfer, and the trim tank inlet valve
open. The valves remain open, until 3 min after the trim tank is low, to allow
drainage of the transfer pipe.
Note: APU supply is not possible, when the pipe is drained.
(6) OUTR TANK XFR pushbutton (guarded)
Auto : The FCMC controls the outer to INR tank transfer.
ON : Initiates the outer to INR tank transfer by opening the :
‐ Outer transfer valves
‐ Outer inlet valves
‐ INR inlet valves.
FAULT lt : The amber light, and the ECAM caution come on, when :
‐ The INR tank low level is reached and the CTR tank is not empty, or
‐ The FCMC is unable to carry out the transfer to the INR tanks.
‐ The FUEL LO TEMP warning is triggered.
(7) X FEED pushbutton
AUTO : The valve automatically opens in electrical emergency configuration.
ON : The valve opens.
OPEN lt : The green light comes on when the valve is fully open.
A330/A340 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FUEL
CONTROLS AND INDICATORS
A330/A340 FLEET DSC-28-20 P 9/38
FCOM 19 AUG 10
(8) CTR TANK XFR pb
AUTO : The FCMC controls the CTR to INR tank transfer.
MAN : Initiates the CTR to INR tank transfer :
‐ By opening the INR tank inlet valves,
To avoid INR tank overflow, the CTR tank pumps may be selected off.
FAULT lt : The amber light and the ECAM caution come on when :
‐ The INR tank low level is reached and the CTR tank is not empty or,
‐ The FCMC is unable to carry out the transfer to the INR tanks.
OVERHEAD PANEL (CONT'D)
Applicable to:
　
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