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AUTO : Control of center tank pumps is automatic.
• They run at engine start for 2 min.
• Before or after the engine start sequence, the pumps run if the slats are
retracted.
• They stop automatically 5 min after center tank low level is reached.
MAN : Flight crew manually controls the center tank pumps manually with the center
tank pumps' pushbutton.
FAULT
light
: Amber light comes on, and ECAM caution comes on when center tank has
more than 250 kg (550 lb) of fuel and the left or right wing tank has less than
5 000 kg (11 000 lb).
(3) CTR TK PUMP 1(2) pushbutton sw
On : • Pump runs, if MAN mode is selected on the MODE SEL pushbutton.
• Pump is automatically controlled when AUTO mode is selected.
OFF : Pump is OFF and OFF button comes on white.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FUEL
CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-28-20 P 2/24
FCOM 19 AUG 10
FAULT
light
: Amber light and associated ECAM caution come on, when the pump is in
operation and the delivery pressure drops.
(4) X FEED pushbutton sw
OFF : The valve closes, and the pushbutton does not come on.
ON : The valve opens, and the ON pushbutton comes on in white.
OPEN light: This green light comes on, when the valve is fully open.
OVERHEAD PANEL
Applicable to: ,
, MSN,,
(1) L (R) TK PUMPS pushbutton sw
On : Pump is on.
OFF : Pump is OFF, and the OFF button comes on white.
FAULT
light
: Amber light, and ECAM caution, comes on, when the delivery pressure drops. It
does not come on when OFF is selected.
(2) MODE SEL pushbutton sw
AUTO : Control of center tank transfer valves is automatic.
• They open if the associated wing tank is not full.
• They stop automatically 5 min after center tank low level is reached.
MAN : Flight crew manually controls the center tank transfer valves manually with CTR
TK XFR pushbutton switches.
FAULT
light
: Amber light comes on, and ECAM caution comes on when center tank has
more than 250 kg (550 lb) of fuel and the left or right wing tank has less than
5 000 kg (11 000 lb) and the MODE SEL pushbutton is at AUTO.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FUEL
CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-28-20 P 3/24
FCOM 19 AUG 10
(3) CTR TK L(R) XFR pushbutton sw
On : • The transfer valve opens, if MAN mode is selected on the MODE SEL
pushbutton switch.
• The transfer valve is automatically controlled when AUTO mode is selected.
OFF : The transfer valve is closed.
FAULT
light
: Amber light and associated ECAM caution come on, if the associated wing tank
overflows.
(4) X FEED pushbutton
OFF : The valve closes, and the pushbutton does not come on.
ON : The valve opens, and the ON pushbutton comes on in white.
OPEN light: This green light comes on, when the valve is fully open.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FUEL
CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-28-20 P 4/24
FCOM 19 AUG 10
REFUELING CONTROL PANEL
Applicable to:
,
,
MSN
(1) FUEL QUANTITY indicator
The number shows the quantity of fuel in each tank.
(2) HI LVL light
This blue light comes on, when the system detects a high fuel level.
The corresponding refuel valve closes automatically.
(3) REFUEL VALVES selector (guarded in NORM)
NORM : Automatic refueling logic controls the refuel valves.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FUEL
CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-28-20 P 5/24
FCOM 19 AUG 10
OPEN : Valves open when the MODE SELECT switch is set to the REFUEL or DEFUEL
XFR position. Each refuel valve closes, when the system detects a high level in
the associated tank.
SHUT : Valves close.
(4) MODE SELECT sw (guarded at OFF)
OFF : Refuel system is de-energized. Refuel valves are closed.
REFUEL : Refuel valves operate in automatic or in manual mode depending on the position
of REFUEL VALVES switches.
DEFUEL
XFR
: Refuel/Defuel transfer valve opens.
Refuel valve opens if the associated REFUEL VALVE switch is at OPEN.
(5) OPEN lt
This amber light comes on when the defuel transfer valve is open.
(6) TEST sw
When this switch is pressed, the HI LVL lights come on if high level sensors and associated
circuits are serviceable.
Note: If tanks are full (HI LVL lights on) during this test, the HI LVL lights go out if high level
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 3(55)
