Operation Manual Part 2
Aerosoft – Digital Aviation
CRJ-70 & CRJ-900
AOM PART 2
Systems Description
VOL
5
5-1-27
26-Jul-2017
The following table shows the power distribution in the AC system for normal operation:
AC BUS 1
AC BUS 2
AC ESSENTIAL
• Flight Recorder Power
• TRU 1
• Main Battery Charger
• Recirculating Fan 1
• Display Cooling Fan 2
• Lavatory Exhaust Fan
• Baggage Compartment
• Heater
• Slats and Flaps
Channel 1
• Pitch Trim Channel 1
• Hydraulic Pumps 3B
and 2B
• Hydraulic System Fan
• Left Windshield Heater
• TAT Probe Heater
• Right AOA Heater
• Right Pitot Heater
• Enhanced Ground
Proximity
• Warning System
(EGPWS)
• Engine Vibration
Monitor
• Avionics Cooling Fan 2
• ADG Heater
• TRU 2
• Essential TRU 2
• Recirculating Fan 2
• Galley Exhaust Fan
• Galley Heater
• Slats and Flaps
Channel 2
• Pitch Trim Channel 2
• Hydraulic Pumps 3A
and 1B
• Right Windshield
Heaters
• Right Window Heater
• Ice Detector 2
• Co-pilot Panel Integral
Lights
• Inertial Reference Unit
Fan
• Essential TRU 1
• Display Cooling Fan 1
• Avionics Cooling Fan 1
• Crossflow Pump
• Left Pitot Heater
• Standby Pitot Heater
• Left AOA Heater
• Ice Detector 1
• Left Window Heater
• Cabin Ceiling Lighting
• CB Panel Integral Lights
• Pilot Panel Integral Lights
• Overhead Panel Integral
• Lights
• Centre Panel Integral Lights
• Traffic Alert and Collision
• Avoidance System (TCAS)
• Engine Ignition A
AC SERVICE BUS
ADG BUS
• APU Charger
• Logo Lights
• Cabin Sidewall Lighting
• Cabin Ceiling Lighting
• Toilet
• Water System
• Hydraulic Pump 3B
• Pitch Trim 2
• Slats and Flaps #1
• Slats and Flaps #2










