MD-11 Flight Crew Operations Manual
k
Air Chapter Air
Controls and Displays Section 30
Air.30.1
Air.30 Air-Controls and Displays
AIR Control Panel (Passenger)
1. COCKPIT, FWD/MID/AFT CAB Temperature Selectors
The zone temperature selectors allow selection of temperature within the
range of 18° C to 29° C. Center position is 24° C.
OFF - Respective trim air modulating valve is closed (cold) and the ZONE
TEMP SEL OFF alert appears.
COLD - All three packs are driven to full cold, causing lower air humidity.
HOT - Trim air is added and condensation is reduced in the outlet area.
2. AIR SYSTEM SELECT Switch - amber
This alternate action switch allows selection between manual and auto
modes.
There are 2 alternating auto channels. During auto operation, one of the 2 auto
channels is not used. Each time auto is selected, the previous unused auto
channel is activated.
SELECT - Illuminates when the air system reverts to manual. The SEL AIR
SYS MAN alert is displayed on the EAD, prompting the crew to lock the
system in manual by pushing the AIR SYSTEM SELECT switch.
FORWARD OVERHEAD PANEL
2
4
5
8
9
10
11
12
1
A
I
R
COCKPIT
HOT
PAX LOAD
PACK 1
FLOW
OFF
FWD CAB
MID CAB
AFT CAB
SYSTEM
ECON
MASK
SELECT
MANUAL
1-2 ISOL
1-3 ISOL
TRIM AIR
AVNCS FAN
BLEED AIR 1
BLEED AIR 2
APU
USE ENG
AIR
3
0
BLEED AIR 3
CAB ALT
OFF
AVNCS
OVHT
NO
MASKS
FLOW
OVRD
OFF
MANF
TEMP HI
OFF
ON
ON
DISAG
DISAG
ON
FLOW
FLOW
OFF
OFF
OFF
OFF
2
COLD
COLD
HOT
COLD
HOT
OFF
MANF
MANF
TEMP HI
TEMP HI
COLD
HOT
OFF
OFF
PACK 2 PACK 3
6
7
PRESS PRESSPRESS
OFF
3
DB1-2-1957
October 02, 2006
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