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 [AC1] [AC2] VLV [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
