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UF94200
EFFECTIVITY Page 168
ALL
PRESSURIZATION - SYSTEM WARNINGS - SYSTEM 1 + 2 FAULT
TMUPRE604-P03 LEVEL 3
EFFECTIVITY 21-31-00 Page 7
Sep 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 169
ALL
PRESSURIZATION - SYSTEM WARNINGS
OUTFLOW VALVE NOT OPEN
When the outflow valve is not fully open, the MASTER
CAUT comes on and the aural warning sounds.
When the outflow valve is not fully open in ground
mode, MAN mode and MAN V/S CTL toggle switch must be
used in order to fully open the outflow valve.
TMUPRE604-T04 LEVEL 3
EFFECTIVITY 21-31-00 Page 8
Sep 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 170
ALL
PRESSURIZATION - SYSTEM WARNINGS - OUTFLOW VALVE NOT OPEN
TMUPRE604-P04 LEVEL 3
EFFECTIVITY 21-31-00 Page 9
Sep 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 171
ALL
PRESSURIZATION - SYSTEM WARNINGS
LANDING ELEVATION FAULT
In case of landing elevation fault (LDG ELEV FAULT),
the MASTER CAUT comes on and the aural warning sounds.
There is no landing elevation data available from the
Flight Management and Guidance System (FMGS).
The landing field elevation must be manually selected
by using the LDG ELEV rotary selector.
TMUPRE604-T05 LEVEL 3
EFFECTIVITY 21-31-00 Page 10
Sep 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 172
ALL
PRESSURIZATION - SYSTEM WARNINGS - LANDING ELEVATION FAULT
TMUPRE604-P05 LEVEL 3
EFFECTIVITY 21-31-00 Page 11
Sep 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 173
ALL
PRESSURIZATION - SYSTEM WARNINGS
SAFETY VALVE OPEN
In case of safety valve open warning, the MASTER CAUT
comes on, the aural warning sounds and the indication
becomes amber.
High Differential pressure causes the opening of the
safety valves. Select the MODE SEL to MAN and adjust
MAN V/S to reduce cabin delta P.
TMUPRE604-T06 LEVEL 3
EFFECTIVITY 21-31-00 Page 12
Sep 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 174
ALL
PRESSURIZATION - SYSTEM WARNINGS - SAFETY VALVE OPEN
TMUPRE604-P06 LEVEL 3
EFFECTIVITY 21-31-00 Page 13
Sep 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 175
ALL
PRESSURIZATION - SYSTEM WARNINGS
LOW DIFFERENTIAL PRESSURE
In case of low differential pressure warning (LO DIFF
PR), the MASTER CAUT comes on and the aural warning
sounds.
Low differential pressure warning occurs when the
aircraft rate of descent is too high with respect to
cabin differential pressure.
Time to reach delta P = 0 £ 1.5 mm and time to reach
delta P = 0 (time for CAB alt. to reach landing
elevation) + 30 s and aircraft is at least 3000 ft
above landing field.
NOTE: The warning is maintained when aircraft descends
below 3000 ft above landing field.
TMUPRE604-T07 LEVEL 3
EFFECTIVITY 21-31-00 Page 14
Sep 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 176
ALL
PRESSURIZATION - SYSTEM WARNINGS - LOW DIFFERENTIAL PRESSURE
TMUPRE604-P07 LEVEL 3
EFFECTIVITY 21-31-00 Page 15
Sep 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 177
ALL
THIS PAGE INTENTIONALLY LEFT BLANK
TMUPRE604 LEVEL 3
EFFECTIVITY 21-31-00 Page 16
Sep 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 178
ALL
21 - AIR CONDITIONING
21-31-00 PRESSURIZATION -
SYSTEM CONTROL INTERFACES
CONTENTS:
Engine Interface Unit (EIU)
Landing Gear Control Interface Unit (LGCIU)
Air Data Inertial Reference Unit (ADIRU)
Flight Management And Guidance Computer (FMGC)
Motors
Controller 1/Controller 2
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