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Sep 13/2004 Flight Crew Operating Manual Volume 2 REV 1 CSP 100-6
02-03-05 AIR CONDITIONING SYSTEM (Cont)
COCKPIT/CABIN AIR DISTRIBUTION SCHEMATIC
CONNECTION
LEGEND
Temperature Sensor
T
Shutoff Valve
Check Valve Intermediate Pressure Bleed Aair Ram Air 1- Flow Control Valves Conditioned Air 2- Pack Valve Cold Air 3-Precooler Crossover Valve Precooled Air 4- Trim Air Valve
CFO0203002_008
Volume 2 Flight Crew Operating Manual May 06/2005 CSP 100-6 REV 2
02-03-06
AIR CONDITIONING/PRESSURIZATION
AIR CONDITIONING SYSTEM (Cont)
AIR DISTRIBUTION AND FLOW PATHS
CABIN DISTRIBUTION SYSTEM
Sep 13/2004 Flight Crew Operating Manual Volume 2 REV 1 CSP 100-6
02-03-07
AIR CONDITIONING/PRESSURIZATION
AIR CONDITIONING SYSTEM (Cont)
AIR DISTRIBUTION AND FLOW PATHS (Cont)
GASPER SUPPLY DUCTS
CABIN
SUPPLY DUCT
COCKPIT AND CABIN GASPERS SUPPLY COCKPIT CONDITIONED AIR SUPPLY
CABIN CONDITIONED AIR SUPPLY
EXHAUST PATH
CFO0202002_009
Volume 2 Flight Crew Operating Manual May 06/2005 CSP 100-6 REV 2
02-03-08 AVIONICS AND COCKPIT DISPLAYS VENTILATION
DESCRIPTION
The avionics and cockpit displays cooling system ensures the ventilation of the avionics and displays in order to comply with aircraft reliability and safety requirements.
The system consists of an underfloor fan and avionics cooling valve, either of which pulls air from the cockpit panel area behind the displays and from above the avionics racks. During ground operations, the fan is operated in high speed mode. During flight the fan is operated at low speed unless the temperature in the avionics racks reaches 122 ° F (50 ° C) in 60 seconds, then the fan operates at high speed. If the temperature rises above 149 ° F (65 ° C) during a 60 second time period while the aircraft is above 10 000 ft the fan is turned off and the avionics cooling valve is opened by the IASC. If the fan or valve fails, an EQPT RACK COOL FAULT (A) CAS message is displayed. If an overheat condition occurs in the avi-onics rack, an EQPT RACK TEMP HIGH (C) CAS message is displayed.
Control and monitoring is normally operated by IASC 1, in the event of failure in the system, a degraded mode, controlled by IASC 2 is activated and the avionics fan is turned on. If the fan has failed, then the avionics valve opens.
AVIONICS EXHAUST
CFO0203002_002
CFO0202002_ 007
AVIONICS VALVE
Sep 13/2004 Flight Crew Operating Manual Volume 2 REV 1 CSP 100-6
02-03-09
AIR CONDITIONING/PRESSURIZATION
CABIN and COCKPIT AIR DISTRIBUTION SYSTEM
EXHAUST
AVIONICS COOLING
COCKPIT SUPPLY FLOOR DISTRIBUTION
TOP DISTRIBUTION
GASPERS
CFO0203002_006
Volume 2 Flight Crew Operating Manual May 06/2005 CSP 100-6 REV 2
02-03-10 PRESSURIZATION
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