Operation Manual Part 2

Aerosoft Digital Aviation
CRJ-70 & CRJ-900
AOM PART 2
Systems Description
VOL
5
5-1-125
26-Jul-2017
PNEUMATICS
The pneumatic system draws bleed air from the engines or the APU to supply the following systems:
Aircraft environmental control system (air-condition)
Anti-ice systems (wing and cowl anti-ice)
Engine starters
The bleed air system is managed automatically and accordingly there are only few controls.
There is not Bleed / Pneumatic EICAS Synoptic Page valves and messages associated to the pneumatic system
are generated / visible on the Environmental Control System page (ECS) and Anti-Ice page. All valve position
indications are displayed according the following manner.