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Controls and Indicators
2.10.8 Boeing Proprietary
Pressurization System Indications
Pressurization system indications are displayed automatically when:
• landing altitude MAN
• either OUTFLOW VALVE switch in MAN
• cabin altitude is above normal range (amber)
• cabin differential pressure is above normal range (amber)
• cabin differential pressure is excessive (red).
• AIR synoptic selected on any MFD
• the following EICAS messages are displayed:
• CABIN ALTITUDE
• CABIN ALTITUDE AUTO
• LANDING ALTITUDE
• PACK L + R
• OUTFLOW VALVE AFT
• OUTFLOW VALVE FWD.
White – normal range.
Amber – above normal range.
Red – excessive cabin differential pressure.
+ (plus) – rate of climb.
– (minus) – rate of descent.
White – normal range.
Amber – above normal range.
Red – excessive cabin altitude.
M (manual) (amber) – manual control.
1 Cabin Differential Pressure
2 Cabin Altitude Rate
3 Cabin Altitude
4 Outflow Valve Control Source
M
CL
OP
FWD AFT
AUTO
P
RATE
LDG ALT
CAB ALT
+100
6000
1400
3.6
3
5
EICAS DISPLAY
PRELIMINARY
4
6
2
1
7
787 Flight Crew Operations Manual
Air Systems -
Controls and Indicators
Boeing Proprietary 2.10.9
Blank – automatic control.
OP – open.
CL – closed.
AUTO (white) – altitude set automatically from FMC.
MAN (amber) – altitude set by LANDING ALTITUDE selector.
Landing altitude supplied by the FMC or manually selected using the LANDING
ALTITUDE selector.
Blank – display is blank without valid FMC landing altitude.
Equipment Cooling
Power Electronics Cooling System (PECS) Indications
The PECS status is displayed by pushing the systems (SYS) display switch on the
display select panel, then selecting the status (STAT) synoptic key. Display select
panel operation is described in Chapter 10, Flight Instruments, Displays.
Status Display
QTY –
• displays system reservoir quantity as a percentage of the normal service
level (1.00 is the normal service level)
• LO (amber) – displayed when the reservoir quantity is low
• OF (white) – displayed when the reservoir is over–full (inhibited in flight)
• RF (white) – displayed when the reservoir requires refilling (inhibited in
flight).
5 Outflow Valves Position
6 Landing Altitude Selection
7 Landing Altitude
1 Liquid Quantity Display
L R
QTY 0.98 0.65 RF
LIQUID COOLING
MULTIFUNCTION DISPLAY
1
PRELIMINARY
787 Flight Crew Operations Manual
Air Systems -
Controls and Indicators
2.10.10 Boeing Proprietary
Air Synoptic Display
The air systems synoptic is displayed by pushing the systems (SYS) display
switch on the display select panel, then selecting the air systems (AIR) synoptic
key. Display select panel operation is described in Chapter 10, Flight Instruments,
Displays.
MULTIFUNCTION DISPLAY
WAI - wing anti-ice valve
EAI - engine anti-ice valve
F/D - flight deck
ISLN - isolation valves
ANTI-ICE PACKS
CABIN AIR
FLT DECK
PASSENGER CABIN
AIR DISTRIBUTION
FLT DECK + B + D
TRIM HEAT
FLT DECK + A + C
TRIM HEAT
70
FLT DECK A
TEMP
MASTER
OCCUPANTS
CABIN
201
L PACK L TRIM AIR R R PACK
COOLING
STBY
LOAD SHED
UPPER
RECIRC
LOWER
LOAD SHED
RECIRC
F
B
21
C
21
D
21 21 21
FWD AFT BULK
1 2 3 4
21
20 20 20 20 20
40 70
ALTERNATE
VENT
LOAD SHED
L1 L2 R1 R2
70
LOAD SHED LOAD SHED
COMPRESSOR
1
2
PRELIMINARY
LOAD SHED - load shed indication
Pack failed –
Valve closed –
Pack running –
Compressor off –
Compressor running –
Recirculation fan off –
ANTI-ICE PACKS – inlet anti-ice failure
787 Flight Crew Operations Manual
Air Systems -
Controls and Indicators
Boeing Proprietary 2.10.11
Selected by the FLT DECK TEMP and the CABIN TEMP controls.
Actual temperature sensed on the flight deck or the passenger zone.
1 Selected Temperatures (magenta)
2 Actual Temperatures (white)
787 Flight Crew Operations Manual
Air Systems -
Controls and Indicators
　
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