T-45A UJPT, E2-C2, ADV, & IUT Eng-17
ECS/Pressurization System & OBOGS
PRESENTATION
Sg 1, fr 1
I.
Major ECS components 1.4.15.3.1
Lesson Organization
A.
Air conditioning system--major components
Sg 1, fr 2
(10 overlays)
1.
Main pressure regulating and shutoff valve
(MPRSOV): located top of fuselage, aft of
canopy
2.
Primary heat exchanger: located top of
fuselage, aft of canopy
3.
Inducer pressure regulating and shutoff
ENVIRONMENTAL CONTROL SYSTEM
valve (IPRSOV): located top of fuselage,
aft of canopy
Overlay 1
Primary Heat Exchanger
4.
Cold air unit (CAU): located top of
Overlay 2
fuselage, aft of canopy, consists of two
IPRSOV
primary components--compressor and
Overlay 3
turbine
CAU
5.
Secondary heat exchanger: located top of
Overlay 4
fuselage, aft of canopy
Secondary Heat Exchanger
6.
Temperature control valve: located top of
Overlay 5
Temperature Control Valve
fuselage, aft of canopy
Overlay 6
7.
Water extractor: located top of fuselage,
Water Extractor
aft of canopy
Overlay 7
8.
Crew ventilation ducts: located under left
Crew Ventilation Ducts
and right canopy rails
Overlay 8
Defog Ducts
9.
Defog ducts: located at left and right base
of the windshield and canopy
Overlay 9
10. Ram air inlet valves: located on top of nose
Ram Air Inlet Valves
cone
Overlay 10
Ram Air Outlet Valves
11. Ram air outlet valves: located on the aft
cockpit aft bulkhead
(8-03) Original
Page 17-3
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