Learjet 24 - 25-090, 25-095 and Subsequent

11-7
FOR TRAINING PURPOSES ONLY
LEARJET 20 SERIES PILOT TRAINING MANUAL
FlightSafety
international
Figure 11-6. Air-Conditioning System—SNs 24-230 through -349 and 25-003 through -226
EMER CAB PRESS
EXT DEFOG ON
CABIN AIR FLOW
MAN COOL
HOT
HOT
HOT
DECR
RATE
1
2
3
4
5
6
7
8
9
10
INCR
CABIN CLIMATE
CONTROL
HOT
COLD
COOL
SYS
MAX
OFF
NORM
FAN
MAN
SYS
FAN
MAN
MAN
COLD
AUTO
AUTO
PRESS
REGULATOR
MAX
NORM
MAN
AUTO
UP
OFF
DN
OFF
UP
DN
AUTO
MAN
OFF
DUMP
SAFETY
VALVE
AUTO
DEFOG
OFF
A
I
R
B
L
E
E
D
O
F
F
O
F
F
P
R
E
S
S
U
R
I
Z
A
T
I
O
N
C
A
B
T
E
M
P
C
A
B
T
E
M
P
C
A
B
I
N
X
1
0
0
0
F
T
A
L
T
I
T
U
D
E
X
1
0
0
0
*SKIN
TEMP
SENSOR
CABIN TEMP
SENSOR
CHECK
VALVE
TO WING L E
ANTI-ICE SYSTEM
LH ENGINE RH ENGINE
BYPASS VALVE
RAM-AIR OUT
HEAT EXCHANGER
FLOW CONTROL VALVE
BLEED-AIR
CHECK VALVE
HIGH-LIMIT
THERMOSTAT
DUCT TEMP
SENSOR
RAM-AIR
CHECK VALVE
RAM-AIR
IN
CHECK
VALVE
TEMPERATURE
CONTROL
UNIT
FOOTWARMERS AND
EXTERNAL DEFOG
(BLEED AIR)
FOOTWARMERS AND
EXTERNAL DEFOG
(BLEED AIR)
CABIN OUTLETS
(CONDITIONED AIR)
INTERNAL DEFOG
(CONDITIONED AIR)
DEFOG
PRESSURE
REGULATOR
DEFOG SHUTOFF
VALVE
BLEED AIR
CHECK VALVE
HV POS IND
RAM AIR
BLEED AIR
CONDITIONED AIR
LEGEND
*AIRPLANE SNs 24-255 AND SUBSEQUENT,
25-090, 25-095 AND SUBSEQUENT
**AIRPLANE SNs 25-003 THROUGH 25-063
CABIN CLIMATE CONTROLCABIN CLIMATE CONTROLCABIN CLIMATE CONTROL