AIR SYSTEM_1 - created from Mind Map

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Bleed AIR

Pressurization

Air Conditioning System

GND Bleed Air

ENG Bleed AIR

APU

Duct leak and overheat Detection

ENG bleed valves close automatically During ENG START GND air cart supplying air BLEED source loss BLEED air over temperature BLEED duck leak ENG fire handle pulled

APU BLLED AIR MAX ALT 22000

APU Bleed air Supply ENG start GND air conditioning Pressurization for no ENG bleed T/O APU to Pack selection for T/O accomplished through FMC

Outflow and control valve

Two Positive pressure relief valved

Four negative pressure relief door

Pressurization system indicateions

Two Outflow Valve

forward and aft and most of air out from aft

Cabin ALT 8500

Cabin ALT PRESSURE 1000

Cabin ALT 13500psu masks drop automatically

two identical controllers on each Pack

Standby Cooling mode

Air distribution

Cargo Temperature Control

Equipment Cooling

Protection are automatic for pack control FAULT Detection Overheat protection

if singnificant fault is detected pack shuts down automatically Attempt to retore pack oepation may be made my pressing Air Conditioning reset switch