BLEED
CAUTION, do not use
HP GND air with APU bleed
Regulated pressure 44 +/- 4 psi
Leak detection
- single loop for APU and pylon ducts
- double loop for wing ducts
SKIN EXCH
OUTLET
BYPASS VLV
Temperature control
- HI TEMP if 290°C > 5sec or
270°C > 15sec or
257°C > 55sec
- LO TEMP if < 150°C
Pressure control
- HI PRESS if > 60psi
- LO PRESS if < 4psi
AVIONICS VENTILATION
CONFIGURATIONS:
CLOSED, on GND (skin<9°-12°C), FLT(skin<32°-35°C)
if (skin>32°-35°C) then EXTRACT VLV partially opens
OPEN, on GND (skin>9°-12°C)
SMOKE CONFIG
Air from avionics bay
ENG A/ICE VALVE
ENG 1 [DC1]
ENG 2 [DC2]
valve opens if unpowered
SKIN HEAT
EXCHANGER
AEVC
[DC1]
[DC ESS
SHED]
5th
9th
PACK 1
FLOW
CONTROL
VALVE
[DC ESS
SHED]
SKIN AIR
INLET VLV
AIRCOND
INLET
VALVE
BLEED VALVE
ENG 1 [DC ESS SHED]
ENG 2 [DC2]
STARTER VLV
pressure
indication
OVERPRESS
VALVE (85psi)
HYD
RES
WATER
TANK
SAFETY
VALVES
WING ANTI ICE VLV
[AC ESS SHED]
Valve closes if unpowered
HP GND
CONNECT
only SLATS 3,4 & 5
are heated
OUTFLOW
VALVE
APU
ELECTRONIC
APU
LIMITATIONS
CONTROL BOX
BLEED
RPM min 95%, max 107% (auto shut down)
[BAT]
VALVE
running EGT max 682°C (5sec) or 700-742
start EGT max 900°C > 25'000ft
B
start EGT max 982°C < 25'000ft
APU FF
LOW OIL LEVEL => 10 hrs APU ops
start cycles: S 1min S 1min S 60min
APU
Enveloppe:
STARTER
START with AC pwr up to 39'000ft
[BAT]
START with EMER ELEC pwr up to 25'000ft
APU LP VLV
BLEED ON 2packs max 15'000ft, 1 pack max 20'000ft
[DC BAT]
BLEED ON for engine start max 20'000ft
[HOT 1]
BLEED for WING A/ICE not permitted
APU FUEL FLOW ~130 kg/hr
APU PUMP
[DC BAT] P
[AC ESS
SHED]
FF
FWD
CARGO
COMP
B2
MOT 1
[DC ESS]
CPC 1
[DC ESS]
MAN
MOT
[DC BAT]
MAN V/S
SWITCH
MOT 2
[DC2]
CPC 2
[DC2]
A321 only
OUTLET ISOL
VALVE
SMOKE DETECT
CONTROL UNIT
SDCU
CH1 [DC ESS SHED]
CH2 [DC2]
SQUIBS
B [DC BAT]
EXTRACT FAN
[AC1]
AFT
CARGO
COMP
A321 only
BULK
INLET
ISOL
VALVE
CABIN
AMBIENT
AIR
ZONE CTL
CH1 [AC1/DC1]
CH2 [AC2/DC2]
B1
X-BLEED VLV
AUTOCTL [DC2]
MANCTL [DC ESS SHED]
HOT BLEED
COLD FAN AIR
COLD AIR FROM PACK
MIXED CONDITIONNED AIR
PACK 2 CTL
CH1 [AC1/DC1]
CH2 [AC2/DC2]
FF
FF
temperature
indication
FLAP
VALVE
EMER
RAM AIR AIRCOND
GND
[DC ESS]
CONNECT
PACK 2
FLOW
CONTROL
VALVE [DC2]
PACK
2
LOOP A
LOOP B
COCKPIT
TRIM
AIR VALVES
MIXING
UNIT
(ENG 1 only)
BLEED MONITORING
COMPUTER
BMC 1 [DC ESS SHED]
BMC 1 [DC2]
PACK 1 CTL
CH1 [AC1/DC1]
CH2 [AC2/DC2]
PACK CTL
Prim fail => flow not optimized
Sec fail => ECAM sgnal lost
Both fail => 15°C by a/ice vlv
ZONE CTL
Prim fail => 24°C by packs
CABIN
Sec fail => no effect
AIR
Both fail => 20°C pack 1
10°C pack 2
FILTER
CAB FAN 1
[AC1]
HOT AIR
PRESS
REG VLV
SKIN
EXCH
INLET
BYPASS
VLV
cargo
under-floor
HP VLV
ENG 1 [DC ESS SHED]
ENG 2 [DC2]
ZONE CTL
CH1 [AC1/DC1]
CH2 [AC2/DC2]
PACK
1
BLOWER COCKPIT EXTRACT
PANELS
FAN
FAN SKIN AIR
[AC1]
[AC2] EXTRACT
AVIONICS
VLV
EQPMT
FILTER
FAN AIR VALVE
ENG 1 [DC ESS SHED]
ENG 2 [DC2]
regulates BLEED temp at 200°C
SKIN
EXCH
ISOL
VLV
AIRCOND
CAUTION, do not use GND
AIRCOND air with air from
packs simultaneously
CARGO
VENTILATION
CONTROL
FWD
CABIN
TRIM
AIR VALVES
AFT
CABIN
CAB FAN 2
[AC2]
FILTER
SATCOM
CABIN AIR
(85% recycle air)
PRESSURIZATION
- 2 safety valves (max 8.6psi or -.25psi)
- if RAM AIR ON and ∂p<1psi, outflow vlv
is 50% open (if not in MANUAL)
- EXCESS CAB ALT (>9550+/-350ft)
FIRE PROTECTION
& CARGO VENT
SMOKE DETECTORS
F
FIRE DETECTORS
B
FIREX BOTTLES
ELECTRICAL SUPPLY
ENG 1 loop A [DC ESS], loop B [DC2]
ENG 2 loop A [DC2], loop B [DC ESS]
APU loop A & B[DC BAT]
ENG 1&2 BTL 1 squib A [HOT1] squib B [HOT2]
ENG 1&2 BTL 2 squib A [DC2] squib B [DC2]
APU BTL squib A [HOT1] squib B [DC BAT]
APU auto extinguish [DC BAT]
ENGINE
ENG cool-down time 3'
or 1' if required by ops
A319: CFM56-5B6/2 23'500lbs
TOTAL TANKS CAPACITY (den 0.80kg/l)
A320: CFM56-5B4/2 27'000lbs
FF
A320E: CFM56-5B4/P 27'000lbs
CENTER TANK
CENTER TANK
HP VLV [DC ESS]
A321: CFM56-5B1/2 30'000lbs
6600kg
6560kg
X-FEED
N1 100% = 5000 rpm
OUTER to INNER TRANSFER
FUEL METERING VLV
MOT 1 [DC ESS SHED]
N2 100% = 14460 rpm
- XFR valves open when INNER have ~750kg
IDG OIL COOLER
LP VALVE
MOT 2 [DC1]
- T/O only with Outer TK full
IGNITION
SERVO
FUEL
FADEC
MOT 1 [DC ESS]
- Automatic XFR after landing
ENG
ENG1&2 A [AC ESS]
HEATER
ENG1&2 CH A [DC ESS]
MOT 2 [DC2]
(to avoid, switch REFUEL panel PWR ON!)
PMP
or [AC STAT INV]
FUEL/OIL HEAT
ENG1 CHB [DC BAT]
jet pump
or transfer via DEFUEL/XFR valve
ENG1 B [AC1]
1
ENG2 CHB [DC2]
see OMB vol.2 1.4 / 28.4
ENG2 B [AC2]
LP
VALVE
DEFUEL
MOT 1 [DC ESS]
XFR
FQI
1
2
1
2
MOT 2 [DC2]
XFR VALVES
VLV
CH1 [DC ESS SHED]
1 [DC ESS SHED]
INNER TANKS
CENTER to WING TRANSFER
CH2 [DC2]
WING TANKS
2 [DC2]
-Valve opens until wing tank is full then wait
2 x 5540kg
2 x 6200kg
until 250kg are used and re-opens
- Gravity transfer from CTR TK
OUTER TANKS
only possible if >2000kg in
CTR XFR RH 1 RH 2
LH 1
LH 2
CTR1
center tank these
REFUEL VALVE 2 x 704kg
VLV
[AC1] [AC2]
[AC1] [AC2]
[AC1]
are trapped
[DC2] refueling on
L[DC1]
[DC1] [DC2]
[DC1] [DC2]
[DC1]
batteries with
R[DC2]
[DC ESS]
[DC ESS]
CTR2
[HOT1]
REFUEL
REFUEL
REFUEL
[AC2]
COUPLING
VALVE
COUPLING
[DC2]
VENT TANK
FUEL IMBALANCE A319/A320
~50kg
INNER TK Full, max 1500kg
TANK
PUMPS
WING
PUMPS
INNER TK 4300kg, max 1600kg
A321
FUEL
IMBALANCE
INNER TK 2250kg, max 2250kg
FUEL TEMPERATURE
TOTAL CAPACITY
WING TK Full, max 1350kg
no limitations below 2250kg
JET A1 min -43°C max +54°C
WING TK 4000kg, max 1500kg
OUTER TK max 530kg, if OUTER+INNER same
(den 0.80kg/l)
JET A min -36°C max +54°C
WING TK 2350kg, max 2350kg
or INNER of empty OUTER equal or higher (up to 3t) of
JET B, JP-4, JP-5, JP-8, RT, TS-1 see OM B 1.1.1
no limitations below 2350kg
opposite INNER
FUEL A319/A320
refueling / defueling lines
feeding lines
FUEL
EIU
NOZZLES ENG1 [DC BAT]
ENG2 [DC ESS]
19088kg
A321 FUEL
18960kg
!!! NOT FOR OPERATIONAL USE !!! ©Pierre-Michel Gasser, 14.05.2007
BATTERIES
2 x 28V 23 Ah, allow at
least 20min in-flight PWR
DC BAT BUS
BAT 1
BAT
CONT
HOT BUS 1
FIRE ENG 1&2 BTL 1 SQUIB A, APU BTL
SQUIB A
FLT CTL ELAC 1, SEC 1
FUEL APU LP VLV
HYD RAT AUTO CTL
LDG GEAR PARK BRK CTL
NAV ADIRU 3 (5min if on NORM or F/O)
DC TIE
CONT
STAT
INV
CONT
EMER GEN CONFIG
In case of loss of AC1 &
AC2 busses, RAT comes out
and EMER GEN comes
online after ~8 seconds
TR 1
HOT BUS 2
DC TIE
CONT
DC ESS
DC BUS 2
COND RAM AIR INLET, CPC 1
AUTO FLT FCU 1
COM VHF 1, RMP 1, CAPT & F/O ACP, FLT
INTERPHONE, CAPT LOUDSPEAKER, CIDS
1 & 2, DEU (A/B)
FIRE ENG 1 LOOP A, ENG 2 LOOP B
FLT CTL ELAC 1, SEC 1, PITCH TRIM MOT 2,
RUD TRIM MOT 1, RUD TRAVEL LIM MOT 1,
SFCC 1 FLAPS & SLATS
FUEL L&R TANK PUMP 1, ENG 1&2 LP VLV
MOT 1
HYD ENG 1&2 FIRE SHUT OFF VLV, B ELEC
PUMP CTL
ICE CAPT PHC, CAPT REPELLENT
EIS ECP(if bus lost, CLR & ALL still available)
LDG GEAR LGCIU 1, SAFETY VLV, BRK
PRESS INDIC
LGT R DOME, L MAIN INST PANEL, STBY
COMPASS & AIRSPEED, some CABIN LGT
(stby)
NAV STBY HORIZON
ENG ENG 1&2 FADEC CH A, ENG 1&2 EIU,
FUEL HP & LP VLV
COND PACK 1 SEC, PACK 2 SEC, ZONE CTL
SEC, PACK 2 VLV CLOSURE, CPC 2
AUTO FLT FMGC 2, FCU 2
COM VHF 2, RMP 2, F/O LOUDSPEAKER
FIRE ENG 1 LOOP B, ENG 2 LOOP A, ENG
1&2 BTL 2 SQUIB A&B, SDCU CH 2
FLT CTL ELAC 2, SEC 2 & 3, FAC 2, FCDC 2,
PITCH TRIM MOTOR 1 & 3, RUD TRIM MOT
2 & INDIC, RUD TRAV LIMIT MOT 2, SFCC 2
SLATS & FLAPS
FUEL FQI CH 2, LEFT TK PUMP 2, RIGHT TK
PUMP 2, CTR TK PUMP 2 (A319/A320),
XFEED VLV MOT 2, ENG 1&2 LP VLV MOT
2, XFR VLV L&R 2, REFUEL VLV, RIGHT
CTR XFR VLV (A321)
HYD ENG 2 PUMP CTL, Y ELEC PUMP CTL,
PTU
ICE ENG A/ICE CLOSURE VLV 2, WHC 2, F/O
PHC, F/O STATICS, F/O TAT, F/O WIPER,
F/O REPELLENT
LDG GEAR BSCU CH 2, BRK FAN CTL
LIGHTS R CONSOLE, R READ, R BRIEF, R
MAP, ANNUNCIATOR LGT TEST/DIM, RWY
TURN OFF CTL, TAXI & T/O CTL, LOGO
CTL
NAV GPS 2, CFDS
BLEED BMC 2, ENG 2 HP & LP & FAN VLV
ENG ENG 2 FADEC B & OIL PRESS & QTY
STAT
INV
CONT
DC ESS SHED
STATIC
INVERTER
converts DC into AC
speed>50kts & on
batteries only:
STAT INV activates
regardless of BAT
switch position
ESS TR
AC BUS 1
DC FLT/GND
can be powered via TR2 by EXT PWR
COM CIDS 1 & 2, DEU (A/B)
HYD LEAK MES VLV
LDG GEAR LGCIU 1 & 2, PARK BRK
CTL
LGT L DOME
WATER POTABLE WATER SYS,
DRAINING, FLUSH CTL UNITS
DOORS CARGO DOORS
RAT
AC BUS 2
FLT CTL FAC 1
ICE CAPT PITOT HEAT
EIS CAPT PFD, E/WD, DMC 1, DMC 3(if CAPT
on 3), FWC 1, SDAC 1
NAV ADIRU 1, AOA 1, ILS 1 or MMR 1 , VOR 1
ENGINE IGN A ENG 1 & 2
AC ESS
FEED
(ALTN)
AC ESS SHED
available only with EMER GEN running
AUTO FLT MCDU 1
COM CVR
FUEL APU PUMP
ICE WING A/ICE SHUT OFF VLV L&R,
CAPT AOA HEAT
EIS CAPT ND
LDG GEAR INICATING PANEL
NAV DME 1, ADF 1, ATC 1
OXY PAX OXY CTL ACTUATION
AC STAT INV
(only available on BAT)
can be powered direct by EXT PWR
LGT NAV, some CABIN LIGHTS
BUS TIE
CONT
BUS TIE
CONT
GCU
(1 per generator)
controls frequency
and voltage
GEN
LINE
CONT
GEN
1
ENG & APU GENERATORS
3-phase 90kVA 115V 400Hz
max load 100%
EMER GENERATOR
3-phase 5kVA 115V 400Hz
SOURCE PRIORITY
1) ENG GEN
2) APU or EXT if switch ON
COND PACK 1 SEC, PACK 2 SEC, ZONE CTL
SEC, CABIN FAN 2, AVIONIC FAN EXTRACT
AUTO FLT MCDU 2
EQPMT F/O SEAT
FIRE LAV SMOKE SDCU CH 2
FLT CTL FAC 2
FUEL LEFT TK PUMP 2, RIGHT TK PUMP 2,
CTR TK PUMP 2 (A319/A320)
HYD YELLOW ELEC PUMP PWR
ICE R WINDOW HEAT PWR, F/O PITOT HEAT,
F/O AOA HEAT, ICE DETECT 2
EIS F/O PFD & ND, SD, DMC 2, FWC 2, SDAC 2
LDG GEAR BSCU CHANNEL 2, BRK FANS
LIGHTS some ANNUNCIATORS, R LDG, R RWY
TURN OFF, R TAXI & T/O, R LOGO, LOWER
BCN, STROBE, R WING, some CABIN LGT
NAV ADIRU 2, AOA RESOLVER 2, ILS 2 or MMR
2 , VOR 2, DME 2, RA 2, ATC 2
WATER HEATER, PRESS SYS
ENGINE IGN B ENG 2
AC FLT/GND
LDG GEAR INDIC PANEL (GEN &
EMER GEN not running)
LGT some ANNUNCIATORS
ENG IGN A
to L & R
FUEL PUMP 1
in SMOKE config
converts AC 115V
into DC 28V
max 200A
5kVA 115V
400Hz
AC ESS
AC ESS
FEED
(NORM)
TR 2
BLUE HYD
EMER
GEN
identical
to TR1&2
failure of TR1
and/or TR2 or
AC1
COND PACK 1 PRIM, PACK 2 PRIM, ZONE
CTL PRIM, CABIN FAN 1, AVIONIC FAN
BLOWER, AFT CRG VENT FAN
COM HF1 (if installed),ACARS
EQPMT CAPT SEAT, FOOT WARMER
FUEL LEFT TK PUMP 1, RIGHT TK PUMP 1,
CTR TK PUMP 1 (A319/A320)
HYD HYD BLUE ELEC PUMP PWR
ICE WINDOW HEAT L PWR, STBY PITOT
HEAT, STBY AOA HEAT, ICE DETECT 1
EIS DMC 3, FDIU
LDG GEAR BSCU CHANNEL 1
LIGHTS INST PNL INTEGRAL, some
ANNUNCIATOR, L LDG, L RWY TURN OFF, L
TAXI & T/O, L LOGO, UPPER BCN, L WING,
some CABIN LGT
NAV ADIRU 3, AOA RESOLVER 3, RA1, TCAS,
WX RADAR, EGPWS
ENGINE IGN B ENG 1, EVMU 1&2
A320
ELECTRICAL
COM EXTERNAL HORN
FIRE ENG 1&2 BTL 1 SQUIB B
FLT CTL ELAC 2, PITCH TRIM MOT 1
HYD RAT MAN CTL
NAV ADIRU 1 (back-up), ADIRU 2 (back-up
5min)
DOORS DOORS AND SLIDES CTL (stby)
available only with EMER GEN running
COND PACK 1 VLV CLOSURE, AEVC
AUTO FLT FMGC 1
COM CVR CTL
FIRE SDCU CH 1
FLT CTL FAC 1, FCDC 1
FUEL FQI CH 1, XFEED VLV MOT 1, L&R
XFR VLV 1
LGT STBY & METER ALTIMETER
OXY CREW OXY CTL, PAX OXY
AUTOCONTROL
BLEED BMC 1, ENG 1 LP & HP & FAN
VLV, X-BLEED MAN CTL 2
When LDG GEAR down
(A320 only) or when the
RAT stalls or on GND with
speed<100kts(other types),
the EMER GEN is no longer
powered. BAT are feeding
DC&AC ESS without the
SHED busses.
converts AC 115V
into DC 28V
max 200A
BAT
CONT
ESS DC TIE
DC BUS 1
COND PACK 1 PRIM, PACK 2 PRIM, ZONE
CTL PRIM, AEVC
COM VHF 3, SELCAL, 3rd ACP,
FUEL LEFT TK PUMP 1, RIGHT TK PUMP 1,
CTR TK PUMP 1 (A319/A320), LEFT XFR
VLV (A321)
HYD ENG 1 PUMP CTL
ICE ENG A/ICE CLOSURE VLV 1, WHC 1,
STBY PHC, STBY & CAPT STATICS, CAPT
TAT, CAPT WIPER
LDG GEAR BSCU CH1
LIGHTS L CONSOLE, R MAIN INST PNL,
SUPP READ, PEDESTRAL, L READ, L
BRIEF, L MAP, FLOOR
NAV GPS 1, CFDS
ENGINE ENG 1 OIL PRESS & QTY
BAT 2
COND CPC MAN CTL
FIRE APU LOOP A & B, AUTO EXT, BTL1
SQUIB B, FWD & AFT CARGO BOTTLES
FUEL APU PUMP, APU LP VLV
APU ECB SUPPLY, STARTER MOT (via BAT
only, available 3min with APU MASTER ON)
DOORS DOORS & SLIDE CTL
ENGINE ENG 1 FADEC CH B, ENG 1 EIU
APU
LINE
CONT
APU
GEN
EXT
PWR
CONT
GEN
LINE
CONT
GEN
2
GPCU
EXT
PWR
LEGEND
normal PWR distribution
PWR on BAT only
PWR with EMER GEN
alternate feeding lines
Busses in red are available in
EMER ELEC config with EMER
GEN running
!!! NOT FOR OPERATIONAL USE !!! ©Pierre-Michel Gasser, 31.1.2005