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This valve is of the butterfly type, with an actuator
which moves the butterfly to the open or closed
position. Two microswitches signal the valve position
to the avionics computer 10HQ. A visual position
indicator is located on the top of the actuator unit.
SKIN EXCHANGER ISOLATION VALVE
IDENTIFICATION
FIN: 24HQ
LOCATION
ZONE: 126
COMPONENT DESCRIPTION
The skin exchanger isolation valve 24HQ is installed
upstream of the skin heat exchanger. This valve is
identical to the skin exchanger inlet bypass valve
16HQ.
SKIN EXCHANGER OUTLET BYPASS VALVE
IDENTIFICATION
FIN: 23HQ
LOCATION
ZONE: 125
COMPONENT DESCRIPTION
The skin exchanger outlet bypass valve is installed
downstream of the skin heat exchanger. This valve is
identical to the skin exchanger inlet bypass valve
16HQ.
TMUVENE0A-T05 LEVEL 3
EFFECTIVITY 21-26-00 Page 10
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 244
ALL
AVIONICS VENTILATION - COMPONENTS - SKIN EXCHANGER INLET BYPASS VALVE - SKIN EXCHANGER
ISOLATION VALVE - SKIN EXCHANGER OUTLET BYPASS VALVE
TMUVENE0A-P05 LEVEL 3
EFFECTIVITY 21-26-00 Page 11
Jul 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 245
ALL
AVIONICS VENTILATION - COMPONENTS
CONDITIONED AIR INLET VALVE
IDENTIFICATION
FIN: 21HQ
LOCATION
ZONE: 127
COMPONENT DESCRIPTION
The conditioned air inlet valve is installed in a duct
which is connected to the cockpit main supply duct.
This valve is similar to the skin exchanger inlet
bypass valve.
TMUVENE0A-T06 LEVEL 3
EFFECTIVITY 21-26-00 Page 12
Jul 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 246
ALL
AVIONICS VENTILATION - COMPONENTS - CONDITIONED AIR INLET VALVE
TMUVENE0A-P06 LEVEL 3
EFFECTIVITY 21-26-00 Page 13
Jul 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 247
ALL
AVIONICS VENTILATION - COMPONENTS
FILTER ASSEMBLY
IDENTIFICATION
FIN: 2081HM, 2082HM, 2083HM
LOCATION
ZONE: 127
COMPONENT DESCRIPTION
A two-stage filter assembly is installed upstream of
the blower fan 20HQ. The first-stage is a cleanable
plate type filter 2081HM which removes dust particles
above 1000 microns and a multi-layer filter which
removes water particles. The second stage is a
cleanable, corrugated-cartridge-barrier filter 2082HM
which removes any dust particles above 400 microns.
The filter assembly is also equipped with pressure test
ports for checking the clogging level of the demister
and dust filter assembly (through a portable manometer).
TMUVENE0A-T07 LEVEL 3
EFFECTIVITY 21-26-00 Page 14
Jul 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 248
ALL
AVIONICS VENTILATION - COMPONENTS - FILTER ASSEMBLY
TMUVENE0A-P07 LEVEL 3
EFFECTIVITY 21-26-00 Page 15
Jul 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 249
ALL
AVIONICS VENTILATION - COMPONENTS
CHECK VALVES
IDENTIFICATION
FIN: 2140HM, 2150HM
LOCATION
ZONE: 128
COMPONENT DESCRIPTION
A check valve 2140HM is installed downstream of the
blower fan. The check valve is designed to be installed
in line between the ducts. Two semicircle flaps are
installed on a hinge-bar, a spring holds these
semicircle flaps in the closed position.
A check valve 2150HM is installed downstream the skin
air inlet valve. The purpose of the check valve is to
protect the system at the air inlet against possible
adverse effects caused by cabin differential pressure.
TMUVENE0A-T08 LEVEL 3
EFFECTIVITY 21-26-00 Page 16
Jul 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 250
ALL
AVIONICS VENTILATION - COMPONENTS - CHECK VALVES
TMUVENE0A-P08 LEVEL 3
EFFECTIVITY 21-26-00 Page 17
Jul 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
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