BLEED CAUTION, do not use HP GND air with APU bleed Regulatedpressure 44 +/- 4 psi Leakdetection - single loop for A
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BLEED
CAUTION, do not use HP GND air with APU bleed
Regulatedpressure
44 +/- 4 psi
Leakdetection - single loop for APU and pylon ducts - double loop for wing ducts
AVIONICS VENTILATION CONFIGURATIONS: CLOSED, on GND (skin9°-12°C) SMOKECONFIG Air from avionics bay SKIN EXCH OUTLET BYPASS VLV
Temperaturecontrol - HI TEMP if 290°C > 5sec or 270°C > 15sec or 257°C > 55sec - LO TEMP if < 150°C
SKIN HEAT EXCHANGER
AEVC [DC1] [DC ESS SHED]
Pressurecontrol - HI PRESS if > 60psi - LO PRESS if < 4psi
ENG A/ICE VALVE ENG 1 [DC1] ENG 2 [DC2] valve opens if unpowered
SKIN EXCH ISOL VLV
PACK 1 FLOW CONTROL VALVE [DC ESS SHED]
ZONE CTL CH1 [AC1/DC1] CH2 [AC2/DC2] PACK 1 CTL CH1 [AC1/DC1] CH2 [AC2/DC2] PACK 1
BLOWER COCKPIT EXTRACT PANELS FAN FAN SKIN AIR [AC1] [AC2] EXTRACT AVIONICS VLV EQPMT
SKIN AIR INLET VLV
AIRCOND
CAUTION, do not use GND AIRCOND air with air from packs simultaneously
PACKCTL Prim fail => flow not optimized Sec fail => ECAM sgnal lost Both fail => 15°C by a/ice vlv ZONECTL 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] COCKPIT FLAP VALVE
HOT AIR PRESS REG VLV
TRIM AIR VALVES FWD CABIN
FILTER AIRCOND INLET VALVE
FAN AIR VALVE ENG 1 [DC ESS SHED] ENG 2 [DC2] regulates BLEED temp at 200°C
5th 9th
SKIN EXCH INLET BYPASS VLV cargo under-floor
HP VLV ENG 1 [DC ESS SHED] ENG 2 [DC2]
MIXING UNIT EMER RAM AIR AIRCOND GND [DC ESS] CONNECT PACK 2 FLOW CONTROL VALVE [DC2] PACK 2
(ENG 1 only) BLEED MONITORING COMPUTER BMC 1 [DC ESS SHED] BMC 1 [DC2]
BLEED VALVE ENG 1 [DC ESS SHED] ENG 2 [DC2] STARTER VLV
pressure indication OVERPRESS VALVE (85psi)
HYD RES
WATER TANK
FF
HP GND CONNECT
only SLATS 3,4 & 5 are heated
OUTFLOW VALVE
APU
FWD CARGO COMP
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]
MOT 1 [DC ESS]
CPC 1 [DC ESS]
MAN MOT [DC BAT]
MAN V/S SWITCH
MOT 2 [DC2]
CPC 2 [DC2]
EXTRACT FAN [AC1] AFT CARGO COMP
A321 only
BULK INLET ISOL VALVE
CARGO VENTILATION CONTROL
CABIN AMBIENT AIR
OUTERtoINNERTRANSFER - XFR valves open when INNER have ~750kg - T/O only with Outer TK full - Automatic XFR after landing (to avoid, switch REFUEL panel PWR ON!) or transfer via DEFUEL/XFR valve see OMB vol.2 1.4 / 28.4 FQI CH1 [DC ESS SHED] CH2 [DC2]
REFUEL VALVE [DC2] refueling on batteries with [HOT1]
jet pump
1 1
2
INNER TANKS 2 x 5573 kg
OUTER TANKS 2 x 691 kg
LH 1 LH 2 [AC1] [AC2] [DC1] [DC2] [DC ESS]
FUEL IMBALANCE A320 INNER TK Full, max 1500kg INNER TK 4300kg, max 1600kg INNER TK 2250kg, max 2250kg no limitations below 2250kg OUTER TK max 530kg, if OUTER+INNER same or INNER of empty OUTER equal or higher (up to 3t) of opposite INNER
TANK PUMPS
FIRE PROTECTION & CARGO VENT
DEFUEL XFR VLV
CTR1 [AC1] [DC1]
1
CTR XFR VLV L[DC1] R[DC2]
2
SMOKE DETECTORS F
FIRE DETECTORS
B
FIREX BOTTLES
ELECTRICALSUPPLY 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 4 consecutive cycles:- each max 2 mins Pause :- 20 sec Cooling after 4 starts:- 15 mins No engagement when N2 above 20%
FUEL METERING VLV IDG OIL COOLER IGNITION SERVO FUEL FADEC ENG ENG1&2 A [AC ESS] HEATER ENG1&2 CH A [DC ESS] PMP or [AC STAT INV] FUEL/OIL HEAT ENG1 CHB [DC BAT] ENG1 B [AC1] ENG2 CHB [DC2] ENG2 B [AC2] LP VALVE MOT 1 [DC ESS] MOT 2 [DC2] CENTER to WING TRANSFER -Valve opens until wing tank is full then wait until 500kg are used and re-opens
RH 1 RH 2 [AC1] [AC2] [DC1] [DC2] [DC ESS]
CTR2 [AC2] [DC2]
REFUEL COUPLING
- EXCESS CAB ALT (>9550+/-350ft)
FUEL EIU NOZZLES ENG1 [DC BAT] ENG2 [DC ESS]
X-FEED MOT 1 [DC ESS SHED] MOT 2 [DC1]
LP VALVE MOT 1 [DC ESS] MOT 2 [DC2]
XFR VALVES 1 [DC ESS SHED] 2 [DC2]
PRESSURIZATION
FF HP VLV [DC ESS]
CENTER TANK 6476 kg
SATCOM
CABIN AIR (85% recycle air)
- 2 safety valves (max 8.6psi or -.25psi) - if RAM AIR ON and ∂p