A320 Air Conditioning System

Question 1

Air Conditioning System Controller (ACSC) controls temperature by (4)

Answer 1

Adjusting engine / APU idle
Moving Turbine Bypass Valve
Pack Flow Control Valve
Ram Air Inlet Flap

Question 2

Air conditioning air comes from (3)

Answer 2

Recirculation
Bleed air
External air through air cycle machine

Question 3

The Air Cycle Machine (ACM) consists of ________________(3) and feeds engine bleed into _________________

Answer 3

A compressor, turbine, and bypass valve

2nd pack heat exchanger

Question 4

Hot air is added to the ventilation through which two valves?

Answer 4

1 trim valve per zone and
1 hot air pressure regulating valve per pack

Question 5

Which cargo compartment is ventilated? And what are the components?

Answer 5

Aft
Inlet isolation valve (from cabin)
Trim valve (hot bleed air)
Inlet fan

Outlet fan
Outlet isolation valve (overboard)