Airbus 320 Air Conditioning

FWD CARGOCOMP

WING ANTI ICE VLV[AC ESS SHED]

Valve closes if unpowered

OUTFLOWVALVE

SAFETYVALVES

only SLATS 3,4 & 5are heated

5th

9th

PACK 1FLOWCONTROLVALVE[DC ESSSHED]

PACK 2FLOWCONTROLVALVE [DC2]

HOT AIRPRESSREG VLV

TRIMAIR VALVES

TRIMAIR VALVES

OVERPRESSVALVE (85psi)

pressureindication

X-BLEED VLVAUTOCTL [DC2]MANCTL [DC ESS SHED]

HP GNDCONNECT

CAUTION, do not use HP GND air with APU bleed

AIRCONDGND

CONNECT

APUBLEEDVALVE

CABINAMBIENT

AIR

INLETISOLVALVE

OUTLET ISOLVALVE

EXTRACT FAN[AC1]

FUEL A319/A320

A321 FUEL

ENGINE

(ENG 1 only)

HYDRES

WATERTANK LOOP A

LOOP B

PACK2

PACK1

PACK 1 CTLCH1 [AC1/DC1]CH2 [AC2/DC2]

ZONE CTLCH1 [AC1/DC1]CH2 [AC2/DC2]

AEVC[DC1]

[DC ESSSHED]

BLEED MONITORINGCOMPUTER BMC 1 [DC ESS SHED]BMC 1 [DC2]

MIXINGUNIT

FLAPVALVE

COCKPIT

AFTCABIN

CABIN AIR(85% recycle air)

CABINAIR

CAUTION, do not use GND AIRCOND air with air from packs simultaneously

FWDCABIN

SATCOM

EMERRAM AIR[DC ESS]

SKIN AIRINLET VLV

FILTER

SKINEXCHISOLVLV

SKIN AIREXTRACTVLV

SKIN HEATEXCHANGER

HOT BLEEDCOLD FAN AIRCOLD AIR FROM PACKMIXED CONDITIONNED AIR

CAB FAN 1[AC1]

CAB FAN 2[AC2]

FILTER

FILTER

ZONE CTLCH1 [AC1/DC1]CH2 [AC2/DC2]

CPC 1[DC ESS]

ELECTRICAL SUPPLYENG 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]

CPC 2[DC2]

CARGOVENTILATION

CONTROL

SMOKE DETECTCONTROL UNIT

SDCUCH1 [DC ESS SHED]

CH2 [DC2]

ELECTRONICCONTROL BOX

[BAT]

FQICH1 [DC ESS SHED]

CH2 [DC2]

EIUENG1 [DC BAT]ENG2 [DC ESS]

MAN V/SSWITCH

BLEED AIRCONDAVIONICS VENTILATION

PRESSURIZATION

FIRE PROTECTION& CARGO VENT

APU

Regulated pressure 44 +/- 4 psi

HP VLVENG 1 [DC ESS SHED]ENG 2 [DC2]

BLEED VALVEENG 1 [DC ESS SHED]

ENG 2 [DC2]

STARTER VLV

FAN AIR VALVEENG 1 [DC ESS SHED]ENG 2 [DC2]regulates BLEED temp at 200°C

temperatureindication

Leak detection- single loop for APU and pylon ducts- double loop for wing ducts

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

MOT 1[DC ESS]

MANMOT

[DC BAT]

MOT 2[DC2]

- 2 safety valves (max 8.6psi or -.25psi)- if RAM AIR ON and ∂p<1psi, outflow vlvis 50% open (if not in MANUAL)

- EXCESS CAB ALT (>9550+/-350ft)

PACK 2 CTLCH1 [AC1/DC1]CH2 [AC2/DC2]

AVIONICSEQPMT

COCKPITPANELS

SKIN EXCHINLETBYPASSVLV

SKIN EXCHOUTLET

BYPASS VLV

Air from avionics bay

AFTCARGOCOMP

BULK

cargounder-floor

AIRCONDINLETVALVE

CLOSED, on GND (skin<9°-12°C), FLT(skin<32°-35°C)if (skin>32°-35°C) then EXTRACT VLV partially opensOPEN, on GND (skin>9°-12°C)

SMOKE CONFIG

ENG A/ICE VALVEENG 1 [DC1]ENG 2 [DC2]

valve opens if unpowered

1

1

APU PUMP[DC BAT][AC ESS

SHED]

APU LP VLV[DC BAT]

[HOT 1]

2

LH 1[AC1][DC1][DC ESS]

XFR VALVES1 [DC ESS SHED]

2 [DC2]

LP VALVEMOT 1 [DC ESS]

MOT 2 [DC2]

OUTER TANKS2 x 704kg

INNER TANKS2 x 5540kg

TOTAL TANKS CAPACITY (den 0.80kg/l)

19088kg

TOTAL CAPACITY(den 0.80kg/l)

18960kg

CENTER TANK6600kg

CENTER TANK6560kg

LH 2[AC2][DC2]

CTR1[AC1][DC1]

CTR2[AC2][DC2]

X-FEEDMOT 1 [DC ESS SHED]MOT 2 [DC1]

1 2

RH 1[AC1][DC1][DC ESS]

RH 2[AC2][DC2]

LP VALVEMOT 1 [DC ESS]MOT 2 [DC2]

jet pump

WING PUMPSTANK PUMPS

P

CTR XFRVLVL[DC1]R[DC2]

DEFUELXFRVLV

REFUELVALVE VENT TANK

~50kg

REFUEL VALVE[DC2] refueling on

batteries with [HOT1]

REFUELCOUPLING

REFUELCOUPLING

refueling / defueling linesfeeding lines

SQUIBS[DC BAT]

A321 only

A321 only

LIMITATIONSRPM min 95%, max 107% (auto shut down)running EGT max 682°C (5sec) or 700-742start EGT max 900°C > 25'000ftstart EGT max 982°C < 25'000ftLOW OIL LEVEL => 10 hrs APU ops start cycles: S 1min S 1min S 60minEnveloppe: START with AC pwr up to 39'000ftSTART with EMER ELEC pwr up to 25'000ftBLEED ON 2packs max 15'000ft, 1 pack max 20'000ftBLEED ON for engine start max 20'000ftBLEED for WING A/ICE not permittedAPU FUEL FLOW ~130 kg/hr

!!! NOT FOR OPERATIONAL USE !!! ©Pierre-Michel Gasser, 14.05.2007

APU

FUEL IMBALANCE A319/A320INNER TK Full, max 1500kgINNER TK 4300kg, max 1600kgINNER TK 2250kg, max 2250kgno limitations below 2250kgOUTER TK max 530kg, if OUTER+INNER same or INNER of empty OUTER equal or higher (up to 3t) of opposite INNER

A321 FUEL IMBALANCEWING TK Full, max 1350kg

WING TK 4000kg, max 1500kgWING TK 2350kg, max 2350kg

no limitations below 2350kg

FUEL TEMPERATUREJET A1 min -43°C max +54°CJET A min -36°C max +54°C

JET B, JP-4, JP-5, JP-8, RT, TS-1 see OM B 1.1.1

PACK CTLPrim fail => flow not optimized

Sec fail => ECAM sgnal lostBoth fail => 15°C by a/ice vlv

ZONE CTLPrim fail => 24°C by packs

Sec fail => no effectBoth fail => 20°C pack 1

10°C pack 2

SMOKE DETECTORS

FIRE DETECTORSF

FFFF

FF

FF

B

FIREX BOTTLESB

B

B1

B2

OUTER to INNER TRANSFER- 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 valvesee OMB vol.2 1.4 / 28.4

BLOWERFAN[AC1]

EXTRACTFAN[AC2]

ENGPMP

FUEL METERING VLV

HP VLV [DC ESS]

FF

FUELNOZZLES

ENG cool-down time 3'or 1' if required by ops

A319: CFM56-5B6/2 23'500lbsA320: CFM56-5B4/2 27'000lbsA320E: CFM56-5B4/P 27'000lbsA321: CFM56-5B1/2 30'000lbsN1 100% = 5000 rpmN2 100% = 14460 rpm

FUEL/OIL HEAT

IDG OIL COOLER

SERVO FUELHEATER

CENTER to WING TRANSFER-Valve opens until wing tank is full then wait

until 250kg are used and re-opens- Gravity transfer from CTR TK

only possible if >2000kg in center tank these

are trapped

FADECENG1&2 CH A [DC ESS]

ENG1 CHB [DC BAT]ENG2 CHB [DC2]

IGNITIONENG1&2 A [AC ESS]

or [AC STAT INV]ENG1 B [AC1]ENG2 B [AC2]

WING TANKS2 x 6200kg

APUSTARTER

[BAT]

CONFIGURATIONS: