Airconditioning Flashcards
What controls the associated ECS
pack discharge air temperature and
prevents ice accumulation inside
pack by monitoring compressor inlet
and compressor outlet temperature?
Air Conditioning Controllers (ACC’s)
Ref: AOM 2A
How many temperature zones are
there on G650?
Three: COCKPIT, FWD CABIN and AFT CABIN
Ref: AOM 2A
What happens when a PACK switch
is selected to ON?
Pack valve is opened and control circuitry is initiated
in ACC
Ref: AOM 2A
What pack outlet temperature would
you expect with packs operating
normally?
35°F
Ref: AOM 2A
What do temperature control
rheostats control?
They control trim air valves that control mixing of
hot air from hot air manifold with cold air from cold
air manifold to produce comfortable air.
Ref: AOM 2A
How can you select ram air?
Select RAM AIR to RAM or turn both PACK
switches to OFF
Ref: AOM 2A
When does ram air check valve
open?
Pressure in ducts and pressure vessel must be equal to
or less than pressure outside
Ref: AOM 2A
What’s the purpose of ozone filters?
They change bleed air ozone to oxygen before it
enters packs to enhance pax comfort
Ref: AOM 2A
With AUTO TEMP SELECT
switches selected to ON, what
temperatures are displayed inside
temp windows and how are they
displayed on ECS/PRESS synoptic
page?
Temp windows reflect selected temperatures for
respective zones which are also displayed in blue
digits on ECS/PRESS synoptic page
Ref: AOM 2A
What’s the temperature select range
in automatic mode?
60 to 90°F
Ref: AOM 2A
How is temperature controlled in
manual mode?
When in amber MAN position, COLD-HOT control
knobs allow crew to manually control temp for
respective zones between full cold of 35°F and full
hot maximum of 230°F
Ref: AOM 2A
What type of air comes from
overhead gaspers and baseboards?
Cold air always comes from overhead gaspers in both
cockpit and cabin while conditioned air comes from
baseboards or foot level outlets
Ref: AOM 2A
