AIR CONDITIONING AND PRESSURIZATION
Description
Aircraft Operations Manual
2.1
S1
PAGE
13
Applicable to aircraft without Mod. No. 3121 installed
3.
CONTROLS AND INDICATORS
A10723
A
A
AIR CONDITIONING PANEL
L/R BLD AIR LEAK light (amber).
See AOM 16.1 Pneumatics.
L/R DUCT OV TEMP light (amber).
Comes on together with associated master cau-
tion for a:
−
ACP Compressor discharge overtemp.
−
Distribution duct overtemp.
Corresponding Bleed Valve will automatically
close.
L/R RECIRC switch.
Used to operate the respective systems recir-
culation fan.
L/R RECIRC light (amber).
Comes on should the recirculation fan fail.
(Fan speed below 80% of normal speed).
L/R TEMP SELECT switch.
Used to select automatic or manual control of
temperature in the respective compartments.
AUTO
Temperature automatically regu-
lated at level selected with temper-
ature selector knob.
HOT/COLD Springloaded positions where tem-
perature control valve moves in
desired direction. (Shall only be
used if the automatic temp. regula-
tion fails).
Neutral
No temperature regulation.
TEMP IND switch.
Used to select either cabin or L duct tempera-
ture to be displayed on the temp indicator. The
switch is springloaded to L DUCT position.
Temperature control knob.
Used to set desired compartment temperature
when system is in AUTO. Pos. ”1” + 18
C.
Pos. ”8” = up to 29
C.
CABIN TEMP indicator.
Displays cabin temperature in
C.
AIRCOND master caution will not come on to-
gether with this light.
NOTE
Fig. 5 Air conditioning panel
−
controls and indicators
Jun 01/20
