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recirculation fans run. When set to OFF, the fans stop.
TMUAIR30B-T01 LEVEL 1
EFFECTIVITY 21-60-00 Page 4
Jun 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 32
ALL
SELF EXAMINATION
What flow is delivered by the pack with ECON FLOW
P/B in off position?
A - ECON FLOW.
B - Normal flow + 20 %.
C - ECON FLOW + 20 %.
What happens when the RAM AIR pushbutton is set to
ON?
A - The ram air inlet flaps of the air
conditioning packs open.
B - The ram air intlet flaps of the air
conditioning packs close.
C - The emergency ram air inlet flap opens.
TMUAIR30B LEVEL 1
EFFECTIVITY 21-60-00 Page 5
Jun 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 33
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THIS PAGE INTENTIONNALLY LEFT BLANK
TMUAIR30B LEVEL 1
EFFECTIVITY 21-60-00 Page 6
Jun 31/00
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 34
ALL
21 - AIR CONDITIONING
21-60-00 ZONE TEMPERATURE CONTROL -
ECAM PAGES PRESENTATION
CONTENTS:
Pack Flow Control Valve
Pack Flow Indication
Pack Compressor Outlet Temperature
Turbine Bypass Valve Position
Pack Outlet Temperature
Emergency Ram Air Inlet Flap Position
Duct Supply
Hot Air Pressure Regulating Valve
Zone Controller Fault Indication
Cabin Fan Fault Indication
Trim Air Valves Position
Zone Duct Temperature
Zone Temperature
Temperature Unit
TMUAIR508 LEVEL 1
EFFECTIVITY 21-60-00 Page 1
Nov 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 35
ALL
ZONE TEMPERATURE CONTROL - ECAM PAGES PRESENTATION
PACK FLOW CONTROL VALVE
The pack flow control valve indication is normally
green. It becomes amber if the valve is not in agreement
with the demanded position.
PACK FLOW INDICATION
Normally, the pack flow indication is given by a green
pointer on a white scale.
PACK FLOW: LO: LOW FLOW
HI: HIGH FLOW
Note: The flow control indication is amber if the pack
flow control valve is closed.
PACK COMPRESSOR OUTLET TEMPERATURE
Normally, the pack compressor oultlet temperature
indication is green.
Amber if temperature above 230ºC (446ºF).
TURBINE BYPASS VALVE POSITION
Normally, the turbine bypass valve position indication
is given by a green pointer on a white scale.
- C: Cold (valve closed)
- H: Hot (valve open)
- XX: invalid signal (amber).
PACK OUTLET TEMPERATURE
The pack outlet temperature indication is green.
Amber if temperature is above 90ºC (194ºF).
XX: invalid signal.
EMERGENCY RAM AIR INLET FLAP POSITION
The emergency ram air inlet flap position indication
is green when closed.
DUCT SUPPLY
Normally, the duct supply indication is green.
Amber if both pack valves are closed.
TMUAIR508-T01 LEVEL 1
EFFECTIVITY 21-60-00 Page 2
Nov 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 36
ALL
ZONE TEMPERATURE CONTROL - ECAM PAGES PRESENTATION
TMUAIR508-P01 LEVEL 1
EFFECTIVITY 21-60-00 Page 3
Nov 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 21 AIR CONDITIONING
UF94200
EFFECTIVITY Page 37
ALL
ZONE TEMPERATURE CONTROL - ECAM PAGES PRESENTATION
HOT AIR PRESSURE REGULATING VALVE
The Hot Air pressure regulating valve indication is
green when open or closed, amber when faulty.
ZONE CONTROLLER FAULT INDICATION
The zone controller fault indication appears in case
of controller fault.
- ALTN MODE: Primary zone controller fault
- PACK REG: Zone controller fault (basic
regulation by packs only)
- No indication: Zone controller normal
operation.
CABIN FAN FAULT INDICATION
The cabin fan fault indication appears amber if a
fault is detected.
No indication if no fault.
TRIM AIR VALVE POSITION
The zone trim air valve position indication is given
by a green pointer on a white scale.
- C: Cold (valve closed)
- H: Hot (valve open)
- XX: Invalid signal.
ZONE DUCT TEMPERATURE
Normally, the zone duct temperature indication is
green.
Amber if higher than 80ºC (176ºF).
　
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