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SYSTEM CONTROL PRESENTATION
TMUPNE301-P01 LEVEL 1
EFFECTIVITY 36-00-00 Page 3
Jun 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 36 PNEUMATIC SYSTEM
UF94200
EFFECTIVITY Page 9
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THIS PAGE INTENTIONALLY LEFT BLANK
TMUPNE301 LEVEL 1
EFFECTIVITY 36-00-00 Page 4
Jun 30/96
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 36 PNEUMATIC SYSTEM
UF94200
EFFECTIVITY Page 10
ALL
36 - PNEUMATIC
36-20-00 ECAM PAGE PRESENTATION
CONTENTS:
Sources
Engine and APU Bleed Valves
Engine HP Valve
Cross Bleed Valve
Ducts
Bleed Air Parameters
TMUPNE401 LEVEL 1
EFFECTIVITY 36-20-00 Page 1
Feb 28/94
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 36 PNEUMATIC SYSTEM
UF94200
EFFECTIVITY Page 11
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ECAM PAGE PRESENTATION
SOURCES
Engine symbol 1 or 2 is amber when the corresponding
engine is stopped. It becomes white when engine is
running. The green ground symbol and the white GND
indication are displayed when the aircraft is on
ground, independently of ground cart connection.
The white HP, IP and APU indications are always
displayed.
ENGINE AND APU BLEED VALVES
Green is used when the engine bleed valve position
corresponds to the required position, and amber in
case of disagreement. The APU bleed valve is green in
line when open, and green cross line when closed.
The engine bleed valve symbol is replaced by XX when
information is not valid.
The APU bleed valve is displayed when APU is running;
it is not displayed when APU MASTER SW is set to OFF.
ENGINE HP VALVE
The engine HP VALVE is displayed cross line when
closed, and in line when open. Green is used when HP
valve position corresponds to the required position,
and amber in case of disagreement.
The engine HP valve symbol is replaced by XX when HP
valve information is not valid
CROSS BLEED VALVE
The cross-bleed valve is displayed in line when open,
and cross line when closed.
DUCTS
The ducts are represented by green lines when
corresponding valves are open, and become amber or are
not displayed when the valves are closed.
BLEED AIR PARAMETERS
Bleed temperature and pressure are shown in the
shaded boxes; they are green when normal, amber
when out of limits.
Bleed pressure parameter becomes amber if lower
than 4 psi or in case of overpressure detected by
BMC (above 57 psi). Temperature parameter becomes
amber in case of overheat detection by BMC.
Overheat is detected if temperature exceeds:
- 290°C for more than 5 sec or,
- 270°C for more than 15 sec or,
- 257°C for more than 55 sec.
TMUPNE401-T01 LEVEL 1
EFFECTIVITY 36-20-00 Page 2
Feb 28/94
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 36 PNEUMATIC SYSTEM
UF94200
EFFECTIVITY Page 12
ALL
TMUPNE401-P01 LEVEL 1
EFFECTIVITY 36-20-00 Page 3
Feb 28/94
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 36 PNEUMATIC SYSTEM
UF94200
EFFECTIVITY Page 13
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THIS PAGE LEFT BLANK INTENTIONALLY
TMUPNE401 LEVEL 1
EFFECTIVITY 36-20-00 Page 4
Feb 28/94
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 36 PNEUMATIC SYSTEM
UF94200
EFFECTIVITY Page 14
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36 - PNEUMATIC
36-10-00 ENGINE BLEED SYSTEM DESCRIPTION
CONTENTS:
General
HPV
IPC
PRV/CTS
OPV
Pr
Pt
FAV/CT
Precooler
Heat Exchanger Outlet Temperature Sensor (T)
Self Examination
TMUPNEB02 LEVEL 3
EFFECTIVITY 36-10-00 Page 1
Aug 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 36 PNEUMATIC SYSTEM
UF94200
EFFECTIVITY Page 15
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ENGINE BLEED SYSTEM DESCRIPTION
GENERAL
The engine air bleed pressure is pneumatically
regulated by the High Pressure Valve (HPV) when air
is supplied by the HP stage or by the Pressure
Regulating Valve (PRV) when the air is supplied by the
IP stage.
The pressure regulation system is monitored by two
BMCs.
HPV
The switching between Intermediate Pressure (IP) and
High Pressure (HP) is achieved pneumatically when the
IP stage pressure is not sufficient.
The HPV pneumatically regulates the air supply between
8 to 36 psi.
The HPV is forced closed when the PRV is closed via
　
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