INDICATIONS
The cabin temperature is presented as a digi-
tal readout in the top left corner of the
schematic, and the cabin supply duct temper-
ature is presented as the left half of the ana-
log tape with pointer display. The cockpit
temperature is not displayed, but the cockpit
supply duct temperature is presented as the
right half of the analog display. The analog
CAB/CKPT temperature display range is from
30° F, the bottom tick-mark, up to 300° F, the
top tick-mark. Each index mark on the scale
represents 90 degrees.
As depicted in Figure 11-6 the analog supply
temperature scale is white with white point-
ers. If the duct temperature exceeds 300° F, the
pointers turn amber. Should an invalid tem-
perature be reported to the Integrated ECS
Temp Controller, each pointer is replaced with
a red “X.” Should an invalid cabin tempera-
ture be received, the digital display is replaced
with amber dashes.
11-10
FOR TRAINING PURPOSES ONLY
LEARJET 45 PILOT TRAINING MANUAL
FlightSafety
international
Figure 11-7. Cockpit/Cabin Air Distribution System
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