11-i
CHAPTER 11
AIR CONDITIONING
CONTENTS
Page
INTRODUCTION ................................................................................................................. 11-1
GENERAL ............................................................................................................................ 11-1
AIR CONDITIONING SYSTEM (TAILCONE COMPONENTS)...................................... 11-2
General........................................................................................................................... 11-2
Pack Bi-level Pressure Regulating Shutoff Valve (PRSOV).......................................... 11-2
Environmental Control Unit (ECU)............................................................................... 11-2
Pre-cooler and Primary/Secondary Heat Exchangers.................................................... 11-2
Air Cycle Machine (ACM) ............................................................................................ 11-3
PACK Overtemp Sensor ................................................................................................ 11-4
ECU Low Limit Temp Control ...................................................................................... 11-4
Water Separator.............................................................................................................. 11-4
DUAL-ZONE TEMPERATURE CONTROL SYSTEM ...................................................... 11-4
General........................................................................................................................... 11-4
Component Description ................................................................................................. 11-5
Controls and Operation.................................................................................................. 11-8
Indications ................................................................................................................... 11-10
DISTRIBUTION SYSTEM ................................................................................................ 11-11
Cockpit Distribution System ....................................................................................... 11-11
Cabin Distribution System........................................................................................... 11-11
Emergency Pressurization System............................................................................... 11-12
BAGGAGE COMPARTMENT HEATING SYSTEM........................................................ 11-12
ELECTRIC FOOTWARMER HEAT SYSTEM (COCKPIT) ............................................ 11-13
REVIEW QUESTIONS ...................................................................................................... 11-14
FOR TRAINING PURPOSES ONLY
LEARJET 45 PILOT TRAINING MANUAL
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