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CONTROLLER
AIR
CONDITIONING
SYSTEM
ENGINE
STARTING
ANTI−ICING
SYSTEM
DISTRIBUTION EICAS
INDICATING
GF0210_002
AIR CONDITIONING AND PRESSURIZATION
Flight Crew Operating Manual Rev 2A, Apr 11, 2005
CSP 700−5000−6
Volume 2
02−10−4
BLEED AIR SYSTEM (CONT'D)
Bleed selection is available on the Bleed/Air Conditioning/Anti-Ice panel. The bleed selections are as
follows:
L (R) ENG BLEED Selector
OFF
pressure regulating valve (PRV) and
high pressure valve (HPV) closed.
AUTO
(open/close) is controlled by the BMC.
ON
when high pressure selected by BMC or
PRV open and HPV closed when low
pressure selected by BMC.
XBLEED Selector
CLSD
AUTO
(open/close) is controlled by the BMC.
OPEN
and the affected side PRV is commanded
to close, controlled by BMC.
APU BLEED Selector
OFF
AUTO
controlled by the BMC through the APU
FADEC. For more information see
Chapter 5, AUXILIARY POWER UNIT.
ON
GF0210_003b
− Selects engine bleed air
− PRV and HPV operation
− Selects PRV and HPV to open
− Selects crossbleed valve closed.
− Crossbleed valve operation
− Selects crossbleed valve open
− Selects LCV off.
− LCV operation (open/close) is
− Selects LCV to open. BMC will
XBLEED
AUTO
CLSD OPEN
L ENG BLEED
AUTO
OFF ON
R ENG BLEED
AUTO
OFF ON
APU BLEED
AUTO
OFF ON
reposition the other valves as required to
respect bleed air rules.
AIR CONDITIONING AND PRESSURIZATION
Rev 12, Aug 14, 2006 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
02−10−5
BLEED AIR SYSTEM (CONT'D)
Bleed/Anti-Ice Synoptic
The BLEED/ANTI-ICE synoptic is selected using the EICAS Control Panel, located on the
pedestal.
EICAS Control Panel
Leading Edge
Wing Anti−Ice Cross
Bleed Valve (CBW)
Wing Anti−Ice
Pressure
Regulating Shut−off
Valve (WAIV)
Cowl Anti−Ice Valve
(CAIV)
Bleed Air Starter Pop−Up Display and Starter Air Valve
(only displayed if an engine is not operating)
GF0210_004
BLEED/ANTI−ICE
AIR
COND
L R
LP
HP
LP
HP
PSI
APU
40
PSI
40
EICAS
SCROLL SYSTEM SELECT
For more information on the Anti-Ice system, see Chapter 14, ICE AND RAIN PROTECTION.
For more information on the Starter Pop-Up, see Chapter 18, POWER PLANT.
AIR CONDITIONING AND PRESSURIZATION
Flight Crew Operating Manual Rev 12, Aug 14, 2006
CSP 700−5000−6
Volume 2
02−10−6
BLEED AIR SYSTEM (CONT'D)
Bleed/Anti-Ice Synoptic (Cont’d)
The BLEED/ANTI-ICE synoptic is selected using the EICAS Control Panel, located on the
pedestal.
EICAS Control Panel
GF0210_005
LP
HP
L R
HP
LP
COND
AIR
BLEED/ANTI−ICE
APU
40
PSI
40
PSI
Pressure Regulator
Valve (PRV)
Cross Bleed
Valve (CBV)
High Pressure
Valve (HPV)
Engine Outline
Bleed Pressure
Load Control Valve
APU Outline
EICAS
SCROLL SYSTEM SELECT
For more information on the APU see Chapter 5, AUXILIARY POWER UNIT.
For more information on the engines, see Chapter 18, POWER PLANT.
AIR CONDITIONING AND PRESSURIZATION
Rev 12, Aug 14, 2006 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
02−10−7
BLEED AIR SYSTEM (CONT'D)
Bleed Management Controllers (BMC)
There are two BMCs, one for the left hand side and one for the right hand side of the airplane.
Each BMC comprises two channels (control and monitoring).
The control channel ensures on/off switching and control functions for its associated side, as
listed:
• Bleed on/off.
• Wing and cowl anti-ice on/off switching and monitoring.
• Wing anti-ice temperature regulation and monitoring.
• Cross−bleed valve (CBV) and cross anti−ice functions.
The monitoring channel controls monitoring functions and leak detection and provides:
• Leak detection for the complete airplane. The redundancy on the leak detection is achieved
by the two monitoring channels of the two BMCs.
• Redundancy on control and monitoring of bleed switching, anti-ice switching, wing anti-ice
temperature regulation.
FGF0210_001
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