Sub-chapters

• 21-00 - Air Conditioning - General
• 21-10 - Compressor System
• 21-11 - Plumbing
• 21-11-00 - General
• 21-11-10 - Air Distribution Ducting
• 21-11-20 - Connectors and Seals
• 21-11-30 - Flexible Hoses
• 21-11-40 - Insulation and Thermal Protection
• 21-11-50 - Water and Drain Lines
• 21-11-60 - Fittings and Couplings
• 21-11-70 - Mounting and Supports
• 21-11-80 - System Venting and Bleed Valves
• 21-12 - Distribution
• 21-20 - Air Distribution System
• 21-21 - Air Distribution Fan
• 21-30 - Pressurization Control System
• 21-31 - Pressure Controller
• 21-32 - Pressure Indicator
• 21-33 - Regulator-outflow Valve
• 21-34 - Pressure Sensor
• 21-40 - Heating and Temperature Control System
• 21-50 - Cooling and Oxygen System (Air/Vapor Cycle)
• 21-60 - Temperature Control System
• 21-61 - Temperature Controller
• 21-62 - Cabin Temperature Indicator
• 21-63 - Cabin Temperature Sensor
• 21-70 - Moisture/Air Contaminant and Humidity Control System
• 21-97 - Air Conditioning System Wiring