T-45A UJPT, E2-C2, ADV, & IUT Eng-26
Engineering Review
(b) Ram air and inducer shutoff
valves operate automatically
by proximity switches on
landing gear
(c) Main pressure regulating and
shutoff valve remains open in
event of total electrical power
loss (air conditioning and
pressurization locked in and
functioning where it was set at
time of failure)
g.
Switches/indicators/controls
(1) CABIN TEMP selector
(a) Location: fwd cockpit only,
right console, aft of IFF
(b) Function: provides automatic
and manual adjustment of
cockpit temperature control
(2) CABIN ALT warning light
(a) Location: fwd and aft cockpit
on WCP
(b) Function: provides indication
of air conditioning failure
i)
Overpressure to CAU
ii)
CAU outlet temperature
in excess of 500 degrees
F
iii)
CAU inlet temperature in
excess of 250 degrees F
iv)
Cabin altitude above
24,500 +/- 500 ft
(8-03) Original
Page 26-66
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