AIR CONDITIONING AND PRESSURIZATION
Description
Aircraft Operations Manual
2.1
PAGE
15
Jun 01/18
A10726
B
B
EMERGENCY CONTROL PANEL
A
A
CABIN PRESSURIZATION INDICATION
PRESS DUMP switch.
Moves the electropneumatical outflow valve to
fully open position.
DIFF PRESS indicator.
Displays cabin differential pressure. Shows 8.8
when LAMP TEST switch on test panel is held
in LWR position. A negative diff pressure is indi-
cated by
CABIN RATE indicator.
Displays cabin vertical speed in ft/min.
CABIN ALT indicator.
Displays cabin altitude in feet.
MOD 2204
(A/C 300
−
UP)
Fig. 6 Pressurization system
−
controls and indicators