AIR SYSTEMS Flashcards
1
Q
How many Cabin Air Compressors (CACs) are there?
A
4
2
Q
What is the purpose of the CACs ?
A
Pressurise and regulate the flow of outside air to the Packs
3
Q
How many pack control systems are there?
A
Two
4
Q
Following a pack shutdown , how can the pack be reset ?
A
Press the AIR CONDITIONING RESET switch
5
Q
In Standby Cooling Mode, which messages are displayed on
1. EICAS
2, Air Synoptic ?
A
- PACK MODE (L/R) EICAS advisory
2. STBY COOLING (Amber)
6
Q
What is the source of FD air ?
A
100% conditioned outside air
7
Q
What is the source of air for the packs ?
A
Outside Air
8
Q
What determines the pack outlet temperature ?
A
The temperature zone requiring the coolest temperature controls the pack outlet temperature
