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Note: APU supply is not possible when pipe is drained.
X FEED 1 (4)
AUTO - Valve normally closed. Both open automatically when:
- in electrical emergency config (if on RAT pump 1 only with
STBY 4 as backup)
- jettisoning
ON - Valve opens
OPEN Lt - Green when fully open
Overhead Panel Switches
10-Aug-10 For reference only 18
AUTO
X FEED 2 (3)
AUTO - Valve normally closed. Both open automatically when:
- in electrical emergency config (if on RAT pump 1 only with
STBY 4 as backup)
- jettisoning
- aft transfer from inner tanks
ON - Valve opens
OPEN Lt - Green when fully open
CTR TK TXFR
AUTO - FCMC controls centre to inner tank transfer using the inner tank inlet valve,
cycling inner tank contents between full and 2,000kg below full.
MAN - Initiates centre to inner tank transfer by:
- inner tank inlet valves open.
To avoid inner tank overflow, centre tank pumps can be sel OFF.
FAULT Lt - Amber with ECAM when:
- inner tank L LEVEL and centre tank not empty, or
- FCMC unable to carry out transfer to inner tanks
OUTR TK TXFR
AUTO - FCMC controls outer to inner tank transfer using the outer tank transfer
valves, cycling its inner tank contents between 3500kg and 4000kg.
ON - Initiates outer to inner tank transfer by:
- outer transfer valves open
- outer inlet valves open
- inner inlet valves open
FAULT Lt - Amber with ECAM when:
- inner tank L LEVEL and centre tank not empty, or
- FCMC unable to carry out transfer to inner tanks
- FUEL LO TEMP is triggered
ACT
OFF - FCMC controls the ACT to centre tank transfer. Transfer starts at slat
retraction if centre tank <23,000kg. ACT transfer stops if centre tank high level
sensor becomes wet and resumes when <23,000kg. ACT fuel is transferred using
cabin air pressure.
FWD - Initiates manual fwd transfer to centre tank by opening:
- ACT transfer valve
- ACT inlet valve
Then ACT transfer pump turns ON.
FAULT Lt - Amber with ECAM when
- WING TK LO LVL
- FCMC unable to carry out transfer to centre tank
Overhead Panel Switches
10-Aug-10 For reference only 19
INR TK SPLIT L (or R)
OFF - Split valve open. Inner tank used as single tank.
ON - Valve closes, tank split, light white.
- fwd part feeds inboard eng
- aft part feeds outboard eng and receives any XFRD fuel to the inner
tank from the centre, outer or t.tank.
SHUT - Blue when valve shut
- During refueling, first inner tank high level sensor becomes wet, valve closes
- Valve reopens when fueling complete
JETTISON
ARM
Output rate when jettisoning is ≈ 1000kg per minute excl burn.
All X FEED valves automatically open.
All main and stby pumps run
Fwd transfer into centre regardless of config
OFF - Jettison is disarmed
ON - Jettison armed can be activated with ACTIVATE pb.
ACTIVATE
OFF - Jettison inactive
ON - Active, provided ARM pb is ON
OPEN Lt - Jettison valves open
FUEL REFUEL
ON - Refueling according to BLOCK FUEL qty displayed on FMGS MCDU INIT B
page.
END Lt - refueling complete
- Flashes when - refueling aborted
- high level test is negative
- imbalance >3000kg after refueling
Overhead Panel Switches
10-Aug-10 For reference only 20
28. FUEL A330
L 1(or R)(or 2)
Supplies fuel from its own collector cell which it shares with the other main pump
and is maintained full at 1,000kg for negative ‘g’ protection.
ON - Pump is on
OFF - Pump is off.
FAULT Lt - Amber with ECAM when pressure drops. Inhibited when OFF sel.
L STBY 1(or R)
ON - Pump runs when main pump fails or off
OFF - Pump is off
FAULT Lt - Amber with ECAM when pressure drops. Inhibited when OFF is
selected or main pump running.
T.TANK FEED
ISOL As per A340.
AUTO
OPEN
OUTR TK XFR
As per A340 AUT
O
Overhead Panel Switches
10-Aug-10 For reference only 21
X FEED 1
AUTO - Valve normally closed. Both open automatically when:
- in electrical emergency config (if on RAT pump L2 only with pump
R2 as backup)
ON - Valve opens
OPEN Lt - Green when fully open
INR TK SPLIT L (or R)
OFF - Split valve open
ON - Valve closes, tank split, light white.
- either inner tank division can be used
SHUT - Blue when valve shut
FUEL REFUEL
ON - Refueling according to BLOCK FUEL qty displayed on FMGS MCDU INIT B
page.
END Lt - refueling complete
Flashes when - refueling aborted
- high level test is negative
- imbalance >3000kg after refueling
　
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