21-10 Air Conditioning

Question 1

Which areas does the air conditioning supply?

Answer 1

Cockpit
Fwd Cabin
Aft Cabin

Question 2

Which system supplies the air?

Answer 2

Pneumatic

Question 3

How is the air supplied

Answer 3

2 pack flow control valves
2 packs
Mixing unit

Question 4

In emergency how is air supplied?

Answer 4

Ram air provides ambient air to the mixing unit

Question 5

By how much can the cabin crew change the temp?

Answer 5

+or- 2.5 degrees

Question 6

How is the pack flow control valve operated?

Answer 6

Pneumatically operated and electrically controlled.

Question 7

What happens to the pack flow control valve if there is no air?

Answer 7

A spring keeps the valve closed

Question 8

When does the pack flow control valve close automatically?

Answer 8

Pack overheat
Engine start
Fire push button
Ditching push button

Question 9

What is pack operation controlled by?

Answer 9

The Air conditioning system controller

Question 10

What does FAN in amber mean on the COND ECAM page?

Answer 10

Cabin recirculating fault

Question 11

What is the number underneath the zone temperatures?

Answer 11

Zone duct temperature

Question 12

What is the arrow displaying beneath zone duct temp?

Answer 12

Trim air valve position. Shows amber XX if valve failed. Temp regulation for that zone is then lost.