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A380 > AIR COND > Flashcards

AIR COND Flashcards

1
Q

HOW MANY PACKS

AND AIR SOURCES

A

2 PACKS

3 SOURCES

ENGINES

APU

HP GND AIR UNITS

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2
Q

PACK VALVES

A

TWO PACK VALVES PER PACK

THEY REGULATE THE QTY OF HOT BLEED AIR THAT FLOWS INTO EACH PACK

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3
Q

ROLE OF THE PACK

A

PROVIDE COLD AIR BY COOLING HOT BLEED AIR

BOTH PACKS OPERATE AUTO

AND INDEPENDENTLY OF EACH OTHER

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4
Q

EACH PACKS CONTAINS:

A

1 HEAT EXCHANGER USING EXTERNAL AIR

2 COOLING UNITS ACMs AIR CYCLE MACHINES

IF BOTH ACMs FAIL BLEED AIR IS COOLED BY HEAT EXCHANGER ONLY

THE PACK OPERATES IN BYPASS MODE

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5
Q

ECAM

REGUL

A

REFERS TO ACMs

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6
Q

WHAT CONTROLS PACK AND RELATED PACK VALVES

A

1 PACK CONTROLLER CONTROLS EACH PACK AND ITS RELATED PACK VALVES

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7
Q

PACK CONTROLLERS HAVE HOW MANY CHANNELS?

A

TWO INDEPENDENT CHANNELS

EACH IF THESE CHANNELS CAN CONTROL ONE ENTIRE PACK

IF BOTH CHANNELS FAIL THE PACK IS LOST

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8
Q

WHEN WILL PACK CONTROLLERS BE SHOWN ON BLEED SD

A

NOT NORMALLY SHOWN

ONLY WHEN ONE OR MORE CHANNELS FAIL BOTH PACK CONTROLLERS WILL BE SHOWN

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9
Q

THE ROLE OF THE MIXER UNIT

A

COLD AIR FROM PACKS IS COMBINED WITH RECYCLED COCKPIT AND CABIN AIR IN THE MIXER UNIT

PACKS AND MIXER UNIT ON BLEED AND COND SD

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10
Q

ON GND LP GND AIR CONNECTS TO

A

CONNECTED TO MIXER UNIT

NOT SHOWN ON SD

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11
Q

PRIMARY VENT FANS

A

4 VENTILATION FANS

REFERRED TO AS PRIMARY FANS

NOT NORMALLY ON COND SD UNLESS 1 FAILS

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12
Q

SECONDARY VENT FANS

A

9 SECONDARY FANS

BLOW AIR FROM UPPER DECK AND RECIRCULATE IT IN THE UPPER AND MAIN DECKS

NOT SHOWN SD

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13
Q

18 CONTROLLABLE ZONES

A

COCKPIT

7 UPPER DECK

8 MAIN DECK

2 CARGO ZONES BULK FWD

CREW REST COMPARTMENT

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14
Q

HOW IS EACH ZONE TEMP SET

A

ADJUSTED BY ADDING HOT BLEED AIR TO AIR FROM THE MIXER UNIT

HOT AIR IS ADDED VIA TWO HOT AIR VALVES AND ONE TRIM AIR VALVE PER CABIN ZONE

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15
Q

WHAT CONTROLS THE TEMP OF EACH ZONE

A

CONTROLLED BY TEMP CONTROLLER

TWO INDEPENDENT CHANNELS

EACH CHANNEL CAN CONTROL ALL ZONES

ONLY SHOWN COND SD IF A FAULT

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16
Q

BOTH PACKS FAIL

A

MIXER UNIT CAN RECEIVE AIR DIRECTLY FROM OUTSIDE VIA TWO EMERG RAM AIR INLETS

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17
Q

PACK VALVE WILL AUTO CLOSE

A

NOT SUFF UPSTREAM PRESS

ENG FIRE SW PRESSED

X BLEED VALVE CLOSED

18
Q

BOTH PACK VALVES WILL AUTO CLOSE

A

RELATED PACK PB SET TO OFF

RELATED PACK OVERHEATS AND AIRCRAFT ON GND

ONE ONSIDE ENG STARTS AND X BLEED VALVES CLOSED

19
Q

ALL PACK VALVES AUTO CLOSE

A

DITCHING PB SW ON

ONE DOOR OPENED AND AT LEAST ONE ENG RUNNING

ANY ENG STARTS AND X BLEED VLV OPENED

ENG FIRE PBSW OF ANY ENG PRESSED AND X BLEED VLV OPENED

20
Q

AIR COND CONTROLS LOCATED

A

OVERHEAD PANEL

C FWD

21
Q

AIR FLOW SEL

A

CONTROLS THE REGULATION OF THE PACK VLVS TO OBTAIN THE DESIRED QTY OF AIRFLOW IN THE AIRCRAFT

22
Q

AIRFLOW SEL

NORM

A

AIRFLOW AUTO ADJUSTED ACCORDING TO VALUE SET IN FMS FOR POB

23
Q

AIRFLOW SEL

MAN

A

DEFAULT AIRFLOW VALUE

24
Q

AIRFLOW SEL

LO

A

80% MAN

25
Q

AIRFLOW SEL HI

A

120% MAN

26
Q

PACK PBSW CONTROLS

A

ITS RELATED PACK AND PACK VLVS

27
Q

HOT AIR PBSW CONTROLS

A

ITS RELATED HOT AIR VLV

SHOWN BLEED AND COND SD

28
Q

CABIN KNOB

A

BOTH COCKPIT AND CABIN SHOWN

CRUISE SD

IF PURS SEL EACH CABIN ZONE TEMP CAN BE SET AT FAP

29
Q

RAM AIR PBSW

A

CONTROLS EMERG RAM INLETS

SHOWN BLEED SD AND COND SD

30
Q

VENT CONTROL PANEL

CAB FANS PBSW

A

CONTROLS PRIMARY AND SECONDARY FANS

ONLY PRIMARY ON COND SD FOR FAILURE ONLY

31
Q

AIR COND CARGO

A

AIRCON AND VENT SYS OF FWD AND BULK CARGO COMPT FULLY AUTO

AFT CARGO COMPT NOT AIRCOND BUT IS VENT BY THE BULK CIRCUIT

32
Q

BULK

INLET ISOLATION VLV

A

AIR FROM CABIN ENTERS INTO BULK THROUGH INLET ISOLATION VLV

AN EXTRACTION FAN EXTRACTS AIR VIA OUTLET ISOLATION VLV IN AFT CARGO WHICH IS DISCHARGED OVERBOARD THROUGH THE OUTFLOW VLVS

33
Q

BULK CARGO ISOL VLV

A

REFERS TO INLET AND OUTLETS ISOLATION VLVS FOR ECAM

EXTRACTION FANS ON COND SD ONLY FOR FAILURE

34
Q

BULK CARGO HEATING

A

IF NECESS TO OBTAIN DESIRED TEMP

ELECTRIC HEATER HEATS THE AIR THAT FLOWS INTO THE BULK CARGO COMPT

HEATER ONLY SHOWN COND SD FOR FAILURE

35
Q

FWD CARGO COMPT

A

AS PER BULK

AIR FLOWS FROM CABIN INTO FWD CARGO VIA SEVERAL INLET ISOLATION VLVS

NOT SHOWN COND SD

EXTRACTION FAN EXTRACTS AIR VIA OUTLET ISOLATION VLV WHICH IS DISCHARGED THROUGH THE OUTFLOW VLVS

ECAM
FWD CARGO ISOL VALVES REFERS TO ABOVE

EXTRACTION FAN ONLY COND SD FOR FAILURE

36
Q

FWD CARGO COMPT TEMP ADJ

A

BY ADDING HOT AIR FROM BLEED SYS TRIM AIR VLV OR COLD AIR FROM MIXER UNIT

TRIM AIR VLV ONLY SHOWN COND SD FOR FAILURE

37
Q

CARGO AIR COND PANEL

LOCATION

A

OVERHEAD

R FWD

38
Q

CONTROL PANEL

BULK ISOL VALVES

FWD IS SAME

A

PBSW CONTROLS ITS RELATED BULK INLET AND OUTLET ISOLATION VLVS

39
Q

CARGO CONTROL PANEL

TEMP REGUL

A

ADJ TEMP

40
Q

BULK HEATER PBSW

A

CONTROLS RELATED HEATER

41
Q

FWD AND BULK TEMP SHOWN WHICH SD

A

CRUISE SD ALSO

42
Q

PACK PBSW FAULT

A

FAILURE HAS BEEN DETECTED IN THE PACK SYS WITH ECAM

IN THE CASE OF OVERHEAT THE FAULT LGT REMAINS ON AS LONG AS THE FAILURE CONDITION EXISTS

A380 (43 decks)

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