AIR SYSTEMS
PACK CTL channels
1 failed => no effect
both failed => temp 1-15°C by
anti-ice valve. no ECAM indication.
Flow 120% of NORM
ZONE CTL channels
1 failed => no effect
both failed => Packs deliver 20°C.
ECAM ind lost & display PACK REG
Regulated pressure 44 - 52 psi
Leak detection
Hot bleed air
Single loop for pylon ducts.
Cold air from fan / outside Double loop for wing ducts
Cold air from packs
APU duct: A332 single, A333 double loop
Mixed conditionned air
Temperature control
Cabin recirculated air
200°C normal temperature
150°C if wing a/ice OFF and enough
AVIONICS VENT
for zone controller demand
[AC1]
FWD CABIN
CABIN
RESTRICTOR AIR
EQPMT
RACKS
MID CABIN
HOT AIR
X-VLV
TRIM
AIR VLVs
EXTRACT FAN [AC1]
on gnd engines
not running
LP GND INLETS
Do not use GND AIR
EMER with air from packs
RAM AIR
TEMP
[DC ESS]
CTL VLV
PACK 1 CTL ZONE CTL
A/ICE
VLV
RECIRC
VLVs
EIUs
[DC BAT]
1 [DC ESS]
2 [DC2]
[DC ESS SHED]
Do not use HP GND
air with APU bleed
SLAT 4
PACK 2
A/ICE VLVs
ENG 1 [DC1]
ENG 2 [DC2]
ENG 1 [DC1]
ENG 2 [DC2]
STARTER
A332:15th HP
VLV
BLEED VLVs
ENG 1 [DC ESS]
ENG 2 [DC2]
A333
FF only
FF
A333:3rd HP
FF
A332:8th HP
A333:8th IP
FF
HP VLVs
A332:15th HP
A333:6th HP
B2
LP
ENG 1 [DC1]
ENG 2 [DC2]
2 X 32’970kg
[DC ESS, HOT]
VENT TANKS
accept 2% increase
of full tanks capacity
max 2900kg
max 4800kg
max 7500kg
max 1480kg
max 1580kg
max 1730kg
FUEL TEMPERATURE
JET A1
min -47°C max +60°C
JET A
min -40°C max +60°C
JP-5
min -46°C max +60°C
JP-8
min -47°C max +60°C
FWD APU
PUMP
AFT XFR VLVs
L [DC1]
R [DC2]
[AC1]
APU
CENTER TANK A332
32’625kg
L1
Lsby
SPLIT
VLVs
[?]
[HOT]
R
APU TRIM PIPE AUX FWD
ISOL ISOL VLV XFR VLV
VLV [DC ESS, HOT] [DC ESS]
[HOT]
LEFT INNER TK
PUMPS
CENTER TO INNER XFR A332
The center TK pumps run continously.
Each inner TK inlet valve controls the tranfer
by cycling its inner TK between FULL and 2000kg
below full until it is empty.Then pmps & vlvs close.
B1
BTL 1, 60s discharge
INLET
ISOL VLV
FAN
HEATER
[AC2]
EXTRACT
FAN
[AC2]
[AC2]
OUTLET
ISOL VLV
TRIM TK
ISOL VLV
[DC ESS]
FWD XFR
PUMP
F
AFT APU PUMP
[AC ESS, HOT]
APU
A332/A333
APU
FF
B
[AC2,DC2]
APU
STARTER
Aft outflow
valve
[AC2]
[DC ESS, HOT]
!!! NOT FOR OPERATIONAL USE !!! A330 ©Pierre-Michel Gasser , 17.3.2009
[DC BAT]
[DC2]
- if RAM AIR ON
and ∆p<1psi,
outflow valves
are 50% open
(if not in
MANUAL)
MOT 2
[DC2]
A332
A333
2 SAFETY VALVES
( > 8.85 or < -1 ∆p)
3 SAFETY VALVES
( > 8.85 or < -.73 ∆p)
FIRE PROTECTION
& CARGO VENT
SDCU 1
VENT CONT
[DC2, DC ESS SHED]
Cabin air
APU
LP VLV
MAN
MOT
AFT
OUT
-FLOW
VALVE
[APU BAT, APU TR]
SMOKE DETECTORS
A332:ionization A333:optical
[DC2]
BULK
[DC BAT, HOT]
CPC 2
[DC2]
SDCU 2
BTL 2, 4hrs discharge
INLET VLV
TRIM TANK
4’891kg
MOT 2
[DC ESS]
[DC ESS SHED]
B2
CG CONTROL
AFT XFR starts if:
Gear up, Slats in, Trim TK not full, Inner > 6250kg,
above FL255 and CG not on target
AFT XFR stops if:
CG = target CG - 0.5% or Trim TK full or Inner
<6250kg or FWD button pushed or MAN xfr
outer-inner or center-inner.
FWD XFR starts if:
stops if:
CG = target
CG = target - 0.5%
inner = 4000kg
inner = 5000kg
- 35’ to dest or FL245 (or 75’ if XFR PUMP u/s)
- in EMER ELEC
MAN V/S
SWITCH
[DC BAT]
R [AC2, DC2]
L [AC1, DC1]
R1 [AC2, DC2]
R2 [DC1, DC ESS, AC ESS]
- ess bus only if L2 PMP OFF
R STBY [AC1, DC1]
AFT
CARGO
COMP
MAN
MOT
[DC ESS]
FCMC 2
MAIN [HOT] (refuel on BAT)
LVL Sensing[DC ESS SHED]
CPC 1
MOT 1
[DC BAT, HOT]
FCMC 1
MOT 1
[DC ESS]
CTR TK
XFR PUMP
RIGHT INNER TK
PUMPS
MANUAL
BACKUP
ECAM
NEG
RELIEF
VALVE
FWD
OUT
-FLOW
VALVE
CTR TK
INLET VLV
L1 [AC2, DC2]
L2 [DC ESS, AC ESS]
L STBY [AC1, DC1]
REFUEL
VLVs
MAIN [DC ESS SHED]
LVL Sensing[DC ESS SHED]
OUTER TO INNER XFR
Each Outer TK cycle its Inner TK between
3500kg and 4000kg until it is empty. The
valves then close after 5min. If no AUTO
XFR available, manual xfr via refueling pipe
and inlet valve possible.
LIMITATIONS
Take-off fuel: min 5200kg and
WING TK LO LVL not displayed on ECAM
PRESSURIZATION
MOT 1 [DC ESS]
MOT 2 [DC2]
L
INNER
INLET
VLVs
[DC ESS, HOT]
IDG OIL (A332)
L2
2 X 2’865kg
Forward
Outflow
Valve
Bilge air BATTERY VENT
Cabin by a venturi and an overboard vent
air
LAV & GALLEY VENT
Cold air
Hot air 1
by an extraction fan and an exhaust
from
Pack
2
COLD
TRIM
through a venturi
AIR VLV
AIR VLV
PACK BAY VENT
[AC2]
[DC2, DC ESS SHED]
Cabin by a NACA air inlet, a bleed air
air
driventurbofan. Controlled by
INLET ISOL VLVs [AC2]
Bilge air the AEVC
Fuel/Oil Cooler
MOT 1[HOT]
MOT 2[DC2]
OUTER TANKS
[AC2]
X-FEED
INNER TANKS
OUTER
XFR
OUTER
VLVs
INLET [DC
ESS]
VLVs
[AC2]
ENG OIL
ENG
LP VLVs
TOTAL TANKS CAPACITY (den 0.8kg/l)
A332: 111’272kg
A333: 78’024kg
REFUELING
Distribution trim TK 2400kg if more than 36.5t FOB
EXTRACT OUTLET
FAN
ISOL VLV
FWD
CARGO
COMP
A332 only
A333 only
xfr / refueling / defueling lines
feeding lines
XX
[DC ESS]
HP
FUEL
PUMP
UNIT
A333 inflight:
B [AC ESS]
N1 MODE N1 limit
only available
CLB
in RATED mode
92.6%
on at least
1 engine
EPR
PACK 2
FLOW
CTL VLV
FUEL METERING VLV
FILTER (A332)
B1
A [AC ESS]
A332, A333 on gnd:
B ENG1 [AC1]
B ENG2 [AC2]
N1 MODE
A/THR & ALPHA FLOOR are lost.
RATED
P2 and/or P5 lost. Can be selected by
pushbutton ENG N1 MODE.
UNRATED
No protections, ECAM max value are lost
Turbofan for pack
bay cooling
MANUAL [DC ESS]
AUTO [DC2]
FILTER (A333)
FUEL FLOW
HP VLV [DC ESS]
FF
HOT AIR 2
VLV
IGNITION
X-BLEED VLV
24 FUEL INJECTORS
FUEL DISTRIBUTION
VLV (A332)
FMU
CH A [AC ESS]
CHB [AC2]
[AC2,DC2]
[DC ESS]
FAN AIR
VLVs
FADECs
to FWD
cargo cooling
PACK 2 CTL
CH1 [DC1]
CH2 [DC2]
CARGO EXT AIR APU
PACK 1 HEAT
FLOW
CTL VLV
BMC
WING A/ICE VLVs
FUEL IMBALANCE
INNER TK Full
Half
7500kg
OUTER TK Full
2400kg
1730kg
1 [AC1]
2 [AC2]
1 [AC1]
2 [AC2]
BY PASS
VLV
Main Heat Primary Heat
Exchanger Exchanger
Extract OVRD
SMOKE EVAC
FUEL
A333: RR RB 211 TRENT
Thrust 71100lbs = ~32.2t =~28400HP
N1: FAN + 4 Turb, 100%=3300rpm
N2: 8 Comp + 1 Turb, 100%=7000rpm
N3: 6 Comp + 1 Turb, 100%=10600rpm
24 Fuel nozzles + 2 Igniters
Warm-up time 5’ before T/O thrust
Cool-down time 1'
CABIN
AIR
to avionic
vent
[AC1,DC1]
OVERPRESS
VLV (85psi)
Thrust 68000lbs = ~30.8t =~27000HP
N1: FAN+5 Comp+5 Turb, 100%=3564rpm
N2: 11 Comp + 2 Turb, 100%=10145rpm
24 Fuel nozzles + 2 Igniters
Warm-up time 5’ before T/O thrust
Cool-down time 5' or 1' if required by ops
MIXER UNIT
to FWD
PACK 1
cargo
heating flow in by-pass
mode
HOT AIR 1
VLV
In-flight or
Ditching ON
SLATS
5,6,7
A332: PW 4168A
CABIN
FANs
other side
UNDERFLOOR
EXTRACT
OVBD
EXTRACT VLV
VLV
AFT CABIN
WATER TK
AEVC
COCKPIT
HYD RES
PANELS
ENGINE
AIR CYCLE MACHINE failure
Pack operates in heat exchanger
cooling mode in-flight only
HOT AIR VLV failure
failed open => no effect
1 vlv failed closed => no effect (X-hot)
2 vlvs failed closed => reg by PACKS
TRIM AIR VLV failure
1 failed closed => half this zone lost
1 failed open => half each zone lost
to LEFT
Bleed duct
APU
BLEED
VLV
ECB
[APU BAT
DC ESS]
F
FIRE DETECTORS
B
FIREX BOTTLES
ELECTRICAL SUPPLY
ENG loop A [DC ESS], loop B [DC2]
ENG BTL 1 squib A [HOT2], squib B [DC2]
ENG BTL 2 squib A [HOT1], squib B [DC2]
APU loop A [DC ESS], loop B [DC BAT]
APU BTL squib A [HOT1] squib B [DC BAT]
APU auto extinguish [HOT2]
CARGO squib A [HOT1], squib B [DC2]
APU
LIMITATIONS
RPM
min 95%
max 107% (auto shut down)
running EGT
max 650°C
start EGT
max 1250°C
Minimum oil level for start: ADD at APU level indicator
Cooling after 3 start attempts: 60min
APU FUEL FLOW ~200 kg/hr
ENVELOPE
START with AC pwr up to 41'100ft (A333 41’450ft)
START with EMER ELEC pwr up to 25'000ft
BLEED ON 2 packs max 17'500ft, 1 pack max 22'500ft
BLEED ON for engine start max 20'000ft