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sensors and associated circuits are serviceable.
LTS : Lights on panel and all 8 s on FQI and preselector come on.
(7) PRESELECTED display
This display shows the preselected total fuel quantity in kg (lb) × (multiply by to get
actual amount).
(8) Preselector rocker switch
Pressing the left or right side of the switch decreases or increases the preselected quantity.
(9) ACTUAL display
This display shows the total fuel on board.
(10) END lt
This green light comes on steady ‐ when automatic refueling is completed.
‐ It flashes green if refueling is aborted.
(11) CKPT lt
Not used.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FUEL
CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-28-20 P 6/24
FCOM 19 AUG 10
(12) BATT POWER toggle switch ��
ON : When the flight crew switches this ON momentarily and releases it, HOT BUS 1
supplies the FQI. After completion of the FQI tests (about 40 s), the fuel quantity
indications appear and refuel operation can be selected.
The electrical supply is automatically cut off :
‐ After 10 min, if no refuel operation is selected, or
‐ At the end of refueling.
NORM: The FQI is not supplied by batteries.
REFUELING CONTROL PANEL
Applicable to:
MSN,
(1) FUEL QUANTITY indicator
The number shows the quantity of fuel in each tank.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FUEL
CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-28-20 P 7/24
FCOM 19 AUG 10
(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.
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
sensors and associated circuits are serviceable.
LTS : Lights on panel and all 8 s on FQI and preselector come on.
(7) PRESELECTED display
This display shows the preselected total fuel quantity in kg (lb) × (multiply by to get
actual amount).
(8) Preselector rocker switch
Pressing the left or right side of the switch decreases or increases the preselected quantity.
(9) ACTUAL display
This display shows the total fuel on board.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FUEL
CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-28-20 P 8/24
FCOM 19 AUG 10
(10) END lt
This green light comes on steady ‐ when automatic refueling is completed.
‐ It flashes green if refueling is aborted.
(11) CKPT lt
Indicates that cockpit refuel panel has priority.
Illuminates when electrical PWR pushbutton switch on cockpit refuel is pressed.
(12) BATT POWER toggle switch ��
ON : When the flight crew switches this ON momentarily and releases it, HOT BUS 1
supplies the FQI. After completion of the FQI tests (about 40 s), the fuel quantity
indications appear and refuel operation can be selected.
The electrical supply is automatically cut off :
‐ After 10 min, if no refuel operation is selected, or
‐ At the end of refueling.
NORM: The FQI is not supplied by batteries.
MAINTENANCE PANEL
Applicable to:
MSN,
(1) PRESELECTED display
This display shows the preselected total fuel quantity in kg × (multiply by to get
actual amount).
(2) ACTUAL display
This display shows the total fuel on board.
(3) Preselector rocker switch
Pressing the left or the right side of the switch decreases or increases the preselected quantity.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
FUEL
CONTROLS AND INDICATORS
A318/A319/A320/A321 FLEET DSC-28-20 P 9/24
FCOM 19 AUG 10
　
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