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IDENTIFICATION
FIN: 15HM, 16HM
LOCATION
ZONE: 191, 192
COMPONENT DESCRIPTION
The pack downstream check valve is of the single spring
loaded flap type, directly bolted to the pressure
bulkhead. It stops leakage of air if the pack is
switched off.
TMUTEMN0A-T08 LEVEL 3
EFFECTIVITY 21-50-00 Page 16
Jun 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 86
ALL
ZONE TEMPERATURE CONTROL - PACK COMPONENTS - PACK DOWNSTREAM CHECK VALVE
TMUTEMN0A-P08 LEVEL 3
EFFECTIVITY 21-50-00 Page 17
Jun 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 87
ALL
ZONE TEMPERATURE CONTROL - PACK COMPONENTS
AIR CYCLE MACHINE (ACM)
IDENTIFICATION
FIN: 10HM1, 11HM1
LOCATION
ZONE: 191, 192
COMPONENT DESCRIPTION
The main component of the air-cycle machine is a
rotating shaft. A turbine, a compressor and a fan are
mounted along this shaft. The shaft rotates on two
self-acting foil-air-bearings. A double self-acting
air-thrust bearing takes the axial thrust loads.
TMUTEMN0A-T09 LEVEL 3
EFFECTIVITY 21-50-00 Page 18
Jun 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 88
ALL
ZONE TEMPERATURE CONTROL - PACK COMPONENTS - AIR CYCLE MACHINE (ACM)
TMUTEMN0A-P09 LEVEL 3
EFFECTIVITY 21-50-00 Page 19
Jun 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 89
ALL
ZONE TEMPERATURE CONTROL - PACK COMPONENTS
PRIMARY HEAT EXCHANGER
IDENTIFICATION
FIN: 10HM6, 11HM6
LOCATION
ZONE: 191, 192
COMPONENT DESCRIPTION
The primary heat exchanger is of the plate and fin
type with a single-pass crossflow configuration. It
cools the hot bleed air before it enters the
air-cycle-machine compressor. The cooling agent is
ambiant RAM air.
MAIN HEAT EXCHANGER
IDENTIFICATION
FIN: 10HM7, 11HM7
LOCATION
ZONE: 191, 192
COMPONENT DESCRIPTION
The main heat exchanger is of the plate and fin type
with a counterflow configuration. It is installed
between the air-cycle-machine compressor and turbine.
The cooling agent is ambiant air.
TMUTEMN0A-T10 LEVEL 3
EFFECTIVITY 21-50-00 Page 20
Jun 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 90
ALL
ZONE TEMPERATURE CONTROL - PACK COMPONENTS - HEAT EXCHANGERS
TMUTEMN0A-P10 LEVEL 3
EFFECTIVITY 21-50-00 Page 21
Jun 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 91
ALL
ZONE TEMPERATURE CONTROL - PACK COMPONENTS
REHEATER
IDENTIFICATION
FIN: 10HM3, 11HM3
LOCATION
ZONE: 191, 192
COMPONENT DESCRIPTION
The reheater is of the plate and fin type with a single
crossflow configuration. It uses turbine inlet air to
further cool air leaving the main heat exchanger.
CONDENSER
IDENTIFICATION
FIN: 10HM2, 11HM2
LOCATION
ZONE: 191, 192
COMPONENT DESCRIPTION
The condenser is of the tube type with a single pass
crossflow configuration. It cools air leaving the
reheater below its dew point. This causes the moisture
in the air to condense into droplets. Water is then
removed by the water extractor.
TMUTEMN0A-T11 LEVEL 3
EFFECTIVITY 21-50-00 Page 22
Jun 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 92
ALL
ZONE TEMPERATURE CONTROL - PACK COMPONENTS - REHEATER/CONDENSER
TMUTEMN0A-P11 LEVEL 3
EFFECTIVITY 21-50-00 Page 23
Jun 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 93
ALL
ZONE TEMPERATURE CONTROL - PACK COMPONENTS
WATER EXTRACTOR
IDENTIFICATION
FIN: 10HM8, 11HM8
LOCATION
ZONE: 191, 192
COMPONENT DESCRIPTION
Swirl vanes centrifuge the water droplets onto the
inner surface of the water extractor body. The water
is then drained to the water injectors.
WATER INJECTOR
IDENTIFICATION
FIN: 20HM, 21HM
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