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(Loop Read by BMC)
Bleed Management Controller
OUTBOARD LEFT
WING LOOP
(DUAL)
OUTBOARD RIGHT
WING LOOP
(DUAL)
INBOARD LEFT
WING LOOP
(DUAL)
INBOARD RIGHT
WING LOOP
(DUAL)
LEFT
ANTI-ICE DUCT
LOOP (DUAL)
RIGHT
ANTI-ICE DUCT
LOOP (DUAL)
WAIV1 WAIV2
TRIM AIR VALVES
TRIM
AIR
LOOP
(DUAL)
FCV1 FCV2
HASOV1
HASOV2
LEFT BLEED
LOOP (DUAL)
RIGHT BLEED
LOOP (DUAL)
CBW
CBV
PRV1 PRV2
GROUND
CONNECTION
LCV
(APU BLEED
VALVE)
LOOP 8
LOOP 8
LOOP 3
LOOP 3
LOOP 2
LOOP 2
LOOP 1
LOOP 1
LOOP 4
LOOP 4
LOOP 5 LOOP 5
LOOP 6
LOOP 6
LOOP 7
LOOP 7
CBV
PRV
FCV
HASOV
WAIV
CBW
Cross Bleed Valve
Pressure-Regulating Valve
Flow Control Valve
Hot Air Shutoff Valve
Wing Anti-Ice Valve
Wing Crossfeed Valve
GX_13_012
P I LOT T R A I N I N G GU I D E
INTEGRATED AIR MANAGEMENT SYSTEM
13-14 For Training Purposes Only
Sept 04
The Monitoring Channel of the Bleed Management Controller (BMC) continuously
monitors, through a Continuous Built-In-Test (CBIT), the resistance of the bleed air
leak detection elements. When both loops in the same circuit indicate a bleed air leak
has occurred the controller will isolate the affected manifold by closing the appropriate
valves.
When a leak is detected, the appropriate BLEED LEAK, WING A/I LEAK, or TRIM
LEAK caution message is displayed on EICAS and the applicable valves are
automatically closed by the BMC and/or the ACSC. The following action should
occur when a bleed air leak is detected.
LEAK LOCATION DETECTED BY INDICATION ACTION
Outboard Wing Loop 1 and Opposite Loop 8 WING A/ICE LEAK
caution msg
Automatic closure of both
Wing Anti-Ice Valves
(WAIV) and the Wing Cross
Bleed Wing (CBW)
Inboard Wing Loop 2 and Opposite Loop 8 WING A/ICE LEAK
caution msg
Automatic closure of both
WAIV and the CBW
Left Wing Anti-Ice Supply duct Loop 3 (both) WING A/ICE LEAK
caution msg
Automatic closure of both
(WAIV) and the CBW
Right Wing Anti-Ice Supply
duct Loop 4 (both) WING A/ICE LEAK
caution msg
Automatic closure of both
(WAIV) and the CBW
Trim Air Supply duct Loop 5 (both) TRIM AIR LEAK
caution msg
Automatic closure of both
Hot Air Shut-Off Valves
(HASOV)
Left Bleed Air duct Loop 6 (both) L BLEED LEAK
caution msg
Automatic closure of left
Pressure Regulating Valve
(PRV), APU Load Control
Valve (LCV) and Cross
Bleed Valve (CBV)
Right Bleed Air duct Loop 7 (both) R BLEED LEAK
Caution msg
Automatic closure of right
PRV and CBV
For Training Purposes Only
Sept 04
13-15
P I LOT T R A I N I N G GU I D E
INTEGRATED AIR MANAGEMENT SYSTEM
R BLEED LEAK
BLEED / ANTI-ICE
APU
LP
AIR
COND
HP
L
LP
HP 26
PSI
R
0
PSI
CBV
PRV
GX_13_013
P I LOT T R A I N I N G GU I D E
INTEGRATED AIR MANAGEMENT SYSTEM
13-16 For Training Purposes Only
Sept 04
The L(R) FIRE DISCH handles, when pulled, will close the respective PRV and HPV.
Refer to Chapter 9, FIRE PROTECTION for more information.
L R
45
PSI
45
PSI
LP
HP
LP
HP
APU
ENGINES RUNNING - HP SOURCE ACTIVE
Handle Pulled
L
OFF
R
0
PSI
45
PSI
LP
HP
PULL
DISCH
PULL
1 2
L
BMC
APU
LP
HP
GX_13_014
For Training Purposes Only
Sept 04
13-17
P I LOT T R A I N I N G GU I D E
INTEGRATED AIR MANAGEMENT SYSTEM
AIR CONDITIONING CONTROLS
Controls are provided on the Air Conditioning Control Panel, located on the overhead
panel.
PACK CONTROL
L MAN
TEMP
R MAN
TEMP
BLEED/AIR COND
TEMPERATURE
FWD CABIN
NORM
MAN
LO HIGH
L ENG BLEED R ENG BLEED
COLD HOT
XBLEED
L PACK R PACK
FAIL
OFF
FAIL
OFF
RECIRC TRIM AIR
OFF OFF
OLD HO
RAM AIR
AUX PRESS
HOT
COLD
HOT
COLD
ON
ON
AFT CABIN
COLD HOT
COCKPIT
COLD HOT
TEMPERATURE Selectors
Used to select desired
temperature for the cockpit
and cabin.
RECIRC Switch
OFF
　
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