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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 51, Aug 14, 2006 Flight Crew Operating Manual
CSP 700−6
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 51, Aug 14, 2006
CSP 700−6
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 51, Aug 14, 2006 Flight Crew Operating Manual
CSP 700−6
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.
• Crossbleed 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.
GF0210_006
BMC #1
CHANNEL A
CONTROL
CHANNEL B
MONITORING
BMC #2
CHANNEL A
CONTROL
CHANNEL B
MONITORING
DISCRETES
DAU1
CHA CHB
DAU2
CHA CHB
DAU3
CHA CHB
DAU4
CHA CHB TOTAL FUEL (LBS) 41550
1.54 1.54
73.3 73.3
789 789
14600 10000 14600
2350 ND
STAB
NU
NL RUDDER
LWD RWD
NR
TRIMS
7.2
N2
FF (PPH)
OIL TEMP
OIL PRESS
93.4
5750
115
81
93.4
5750
115
81
EPR
N1
ITT
AIL
1.65 1.65
CRZ
SYNC
LP
HP
L R
HP
LP
COND
AIR
BLEED/ANTI−ICE
APU
40
PSI
40
PSI
ASCB
XBLEED
AUTO
CLSD OPEN
L ENG BLEED
AUTO
OFF ON
R ENG BLEED
AUTO
OFF ON
R ENG BLEED
AUTO
OFF ON
For more information on anti-ice, see Chapter 14, ICE & RAIN PROTECTION.
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