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Centralized Fault Display Interface Unit (CFDIU)
Cabin Intercommunication Data System (CIDS)
Cabin Pressurization Panel
Cabin Pressurization Panel/SDACs
Safety Valves/SDACs
Self Examination
TMUPREC01 LEVEL 3
EFFECTIVITY 21-31-00 Page 1
Sep 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 185
ALL
PRESSURIZATION - SYSTEM MONITORING INTERFACES
FLIGHT WARNING COMPUTER (FWC)
In case of excessive cabin altitude in manual mode,
controller 1 sends a discrete signal to both FWCs for
level 3 warnings.
Signal: excessive cabin altitude (9550 ft), used in
manual mode (discrete signal from controller 1 manual
part only).
NOTE: Each manual part is a separated electrically
supplied part.
SYSTEM DATA ACQUISITION CONCENTRATOR (SDAC)
Both controllers send ARINC and discrete signal to the
System Data Acquisition Concentrator. Controller 1
(manual back-up part) also sends 3 analog signals used
when the system is operating in manual mode.
Signals: warnings and indications, used in auto mode
(ARINC and discrete signals from both controllers),
manual mode (3 analog signals from controller 1 only).
CENTRALIZED FAULT DISPLAY INTERFACE UNIT (CFDIU)
Both controllers send BITE data to the CFDIU via ARINC
buses. This data is sent continuously or on request.
Signal: BITE data, used for CFDS monitoring.
CABIN INTERCOMMUNICATION DATA SYSTEM (CIDS)
In case of excessive cabin altitude, the pressure
controllers send a discrete signal to the CIDS.
Signal: excess cabin altitude (11300 ft), used for
passenger signs.
CABIN PRESSURIZATION PANEL
In case of failure of both automatic systems, the
controllers send a discrete signal to the pressure
panel for FAULT light illumination.
Signal: failure of both automatic systems, used for
FAULT light illumination.
CABIN PRESSURIZATION PANEL / SDACs
A manual mode selection signal is sent from the
pressure panel to both SDACs.
Signal: MAN mode selection, used for ECAM display.
SAFETY VALVES / SDACs
The safety valve position signals are sent to both
SDACs.
Signal: safety valve position, used for ECAM display.
TMUPREC01-T01 LEVEL 3
EFFECTIVITY 21-31-00 Page 2
Sep 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 186
ALL
PRESSURIZATION - SYSTEM MONITORING INTERFACES
TMUPREC01-P01 LEVEL 3
EFFECTIVITY 21-31-00 Page 3
Sep 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 187
ALL
SELF EXAMINATION
In manual mode, warnings and indications come from:
A - Controller 1.
B - Controller 2.
C - The outflow valve.
CABIN PRESS FAULT light comes on when:
A - Automatic system 1 fails.
B - Both automatic systems fail.
C - Manual system fails.
TMUPREC01 LEVEL 3
EFFECTIVITY 21-31-00 Page 4
Sep 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 188
ALL
21 - PRESSURIZATION
21-31-00 PRESSURIZATION -
COMPONENTS
CONTENTS:
Cabin Pressure Controllers (CPC1 and CPC2)
Outflow Valve LRUs
- Valve Assembly
- Electronic Actuators
- Gearbox Assembly
Safety Valves
TMUPREE0A LEVEL 3
EFFECTIVITY 21-31-00 Page 1
Jul 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 189
ALL
PRESSURIZATION - COMPONENTS
CONTROLLER
IDENTIFICATION
FIN: 11HL, 12HL
LOCATION
ZONE: 121, 122
COMPONENT DESCRIPTION
CPC1 and CPC2 are interchangeable and provided with
system identification pins.
Each one is equipped with a pressure transducer module
of the DMS pressure sensor type.
TMUPREE0A-T01 LEVEL 3
EFFECTIVITY 21-31-00 Page 2
Jul 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 190
ALL
PRESSURIZATION - COMPONENTS - CONTROLLERS
TMUPREE0A-P01 LEVEL 3
EFFECTIVITY 21-31-00 Page 3
Jul 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 191
ALL
PRESSURIZATION - COMPONENTS
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