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Also with auto closure of bleed and HP valves
- Overpressure downstream of bleed valve
- Bleed overheat
- Wing or eng leak on related side
- Extinguishes when ENG BLEED pb is at OFF provided failure disappeared
OFF – Bleed and HP valve close.
- OFF light white
- FAULT Lt & autoclosure signal reset
APU BLEED
ON – APU bleed valve opens provided:
- N > 95%
- Altitude < 25,000ft climbing or < 23,000ft descending
- No leak detected on APU or LH bleed (leak RHS X-bleed would close)
ON light Blue
OFF – APU bleed valve closes
FAULT Lt – Amber with ECAM if APU leak detected
X-BLEED
AUTO – X-bleed valve is open if APU valve open
- X-bleed valve closed if APU valve closed
OPEN – X-bleed valve is open
CLOSE – X-bleed valve is closed
Overhead Panel Switches
23-Jan-07 For reference only
49. APU
MASTER SW
ON/R – Blue light
- Elec pwr supplied to APU system, ECB performs pwr up test
- APU air intake flap opens
- APU fuel isolation valve and APU LP valve open
- Fuel pumps operate (FWD & AFT)
- APU page appears on ECAM
OFF – Manual shutdown sequence:
- ON light goes off
- APU keeps running for 105 sec at 100% for cooling
- After further 15 sec (NBPT) APU shuts down and AVAIL Lt goes off
- AT N 7% air inlet flap closes
Note: Switching OFF then ON the MASTER SW resets the ECB
FAULT Lt – Amber with ECAM when automatic APU shutdown occurs, due to :
− Fire (on grnd only) - Reserve flow
− Air inlet flap not open - Low oil pressure
− Overspeed - High oil temp
− No acceleration - DC power loss (BAT OFF when a/c on batt only)
− Slow start - ECB failure
− EGT overtemp - No flame
− Loss of overspeed protection - Underspeed
START
ON – Blue light comes on.
- When flap is fully open APU starter is energized
- N = 7% , ignition turned on
- N = 50%, APU starter de-energized
- N = 95%, ignition turned off ON light on START pb goes out AVAIL Lt comes on
APU may now supply bleed air and elec pwr to a/c.
10 sec later the APU page on ECAM disappears
AVAIL Lt – Green when N reaches 95%
Overhead Panel Switches
23-Jan-07 For reference only
70. POWER PLANT A340 & 330
ENG MAN START (1,2,3,4)
ON – Start valve opens if ENG START sel is CRANK or IGN/START
- both pack valves close during start
- start valve closes automatically when N2 ≥ 50% (N3 ≥ 50%)
- On light Blue
OFF – When ENG MAN START pb is set OFF during manual start, start valve
closes provided eng master switch is OFF
ENG FADEC GND PWR (1,2,3,4)
ON – FADEC supplied for 5 min (except if ENG FIRE pb is released out or FADEC
gen is avail.
N1 MODE 1 A330 ONLY
ON – Thrust control reverts from EPR mode ot N1 rated mode.
- Following an automatic reversion to N1, rated or unrated mode, pressing the pb
confirms thee mode.
- ON light Blue.
OFF – The FADEC controls the eng in EPR mode if available.
Note: If in N1 mode: No auto thrust, ALPHA FLOOR prot lost & FLEX T/O lost.
Rated N1 mode - FADEC computes an EPR COMMAND depending on TLA, then convert it into
a N1 COMMAND as a function of mach
Unrated N1 mode - N1 is defined as a function of TLA and altitude and is limited by FADEC to
smaller of N1 max or N1 Redline (if eng data T2, total air temperature, is avail) or N1 Redline (if
T2 not avail)

1
A340-500/600
CREW OPERATIONS MANUAL
CONTENTS
Please note that Flight Simulator X or 2004 must be installed correctly on your PC prior to installation and
use of A340-500/600
INTRODUCTION ....................................................................................2
INSTALLING A340-500/600 ..................................................................5
OTHER ITEMS ON DISC ........................................................................7
ACCESSING THE AIRCRAFT ................................................................7
AIRCRAFT CONTROLS ..........................................................................8
FLIGHT MODEL SETTINGS ....................................................................8
VIEWPOINT SETTINGS ..........................................................................9
SOUND SETTINGS ................................................................................9
THE PANELS........................................................................................10
FREQUENTLY ASKED QUESTIONS ......................................................12
FLYING THE A340 ..............................................................................14
　
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