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with ventilation and heating systems. The FWD
ventilation and heating systems are also optional.
CARGO COMPARTMENT TEMPERATURE
The cargo compartment temperature is indicated in green
and given by the cargo temperature sensor.
ZONE INDICATION
The zone indication is displayed in white.
DUCT INLET TEMPERATURE
The duct inlet temperature indication is normally green
and given by the duct temperature sensor.
Indication becomes amber if the duct inlet
temperature is at 80oC (176oF) or more.
TRIM AIR VALVE
The Trim Air Valve indication on the ECAM page normally
shows the true position of the trim air valve.
PRESSURE REGULATING VALVE
The Pressure Regulating Valve indication is displayed
in green when open or closed and amber when faulty.
INLET ISOLATION VALVE
The inlet isolation valve is displayed in green when
open or closed and amber when faulty.
OUTLET ISOLATION VALVE
The outlet isolation valve is displayed in green when
open or closed and amber when faulty.
TMUVE1906-T01 LEVEL 1
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AFT CARGO COMPARTMENT VENTILATION/HEATING - ECAM PAGE PRESENTATION
TMUVE1906-P01 LEVEL 1
EFFECTIVITY 21-43-00 Page 3
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THIS PAGE INTENTIONALLY LEFT BLANK
TMUVE1906 LEVEL 1
EFFECTIVITY 21-43-00 Page 4
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21 - AIR CONDITIONING
21-43-00 AFT CARGO COMPARTMENT
VENTILATION/HEATING -
SYSTEM WARNINGS
CONTENTS:
Aft Cargo Isolation Valve Fault
Aft Cargo Duct Overheat
Aft Cargo Heating Fault
Aft Cargo Ventilation Fault
TMUVE2006 LEVEL 3
EFFECTIVITY 21-43-00 Page 1
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TMUVE2006-P01 LEVEL 3
AFT CARGO COMPARTMENT VENTILATION/HEATING - SYSTEM WARNINGS
EFFECTIVITY 21-43-00 Page 2
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21 - AIR CONDITIONING
21-28-00 AFT CARGO COMPARTMENT
VENTILATION/HEATING -
COMPONENTS
CONTENTS:
Ventilation Controller
Heating Controller
Isolation Valves
Extraction Fan
Pressure Regulating Valve
Trim Air Valve
Temperature Sensors
TMUVENP0A LEVEL 3
EFFECTIVITY 21-28-00 Page 1
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AFT CARGO COMPARTMENT VENTILATION/HEATING - COMPONENTS
VENTILATION CONTROLLER
IDENTIFICATION
FIN: 10 HN
LOCATION
ZONE: 126
COMPONENT DESCRIPTION
It is a modular construction and consists of:
- AFT cargo ventilation module,
- AFT cargo power relay,
- FWD cargo ventilation module,
- FWD cargo power relay,
- common power supply module,
- spare module connector,
- spare power relay socket.
TMUVENP0A-T01 LEVEL 3
EFFECTIVITY 21-28-00 Page 2
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TMUVENP0A-P01 LEVEL 3
AFT CARGO COMPARTMENT VENTILATION/HEATING - COMPONENTS - VENTILATION CONTROLLER
EFFECTIVITY 21-28-00 Page 3
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AFT CARGO COMPARTMENT VENTILATION/HEATING - COMPONENTS
HEATING CONTROLLER (Temperature Controller)
IDENTIFICATION
FIN: 10 HC
LOCATION
ZONE: 121
COMPONENT DESCRIPTION
The heating controller consists of an MCU box installed
in the avionics compartment, in rack 96 VU.
Power up test:
- computer internal tests,
- check of sensor,
- check for Trim Air Valve closure,
- check for aft Trim Air Pressure Regulating
Valve closure.
Test duration: 40 seconds.
TMUVENP0A-T02 LEVEL 3
EFFECTIVITY 21-28-00 Page 4
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