21 27 24 26 20 11 t 22 23 26 19 17 10 16 16 17 PRESSURIZED AREA II II II If ITEM DESCRIPTION NO 8 20 11 On' PER AIRCRAFT I VALVE. LP. BLEED AIR CHECK 2 VALVE. BLEED AIR PRESSURE REG. E. WO 3 VALVE. BLEED AIR ISOLATION S/0 4 VALVE. AIR CONDITIONING SYSTEM SHUTOFF .5 FLOW CONTROL 5 FILTER. CABIWCOCKPIT OZONE 8 REFRIGERATION UNIT (s) PRIMARY/SECONDARY HEAT EXCHANGER (3) AIR CYCLE MACHINE (ACM) (c) ANTI-ICE MODULATING VALVE (0) OVERTEMPERATURE SWITCH ON ACM BYPASS CHECK VALVE (I) ACM BYPASS SHUTOFF VALVE (g) COOLING FAN (h) BYPASS DUCT ASSEMBLY 7 VALVE. TURBINE DISCHARGE WATER DRAIN 8 VALVE. SERVO AIR PRESSURE REG. 9 VALVE CABIN/COCKPIT TEMPERATURE CONTROL 10 SEPARATOR, WATER 11 SENSOR CABIN/COCKPIT DUCT OVERTEMPERATIJRE 12 SENSOR. WATER/SEPARATOR ANTI-ICE CONTROLLER 2 2 1 2 2 2 4 2 2 2 2 2 2 2 2 2 2 2 2 2 14 13 12 10 6 9 7 flif lb 60 6 60 Os 14 13 9 8 7 6f ITEM NO 111011 POI SERVO CONTROL SYIITEM creve8LM DESCRIPTION 60 ec 6 6d Be 13 VALVE CABIN/COCKPIT AIR CHECK 13a VALVE. RAM AIR CHECK 14 VALVE. CABIN/COCKPIT FACE AIR CHECK 15 WATER. SPRAY ASPIRATOR 16 SELECTOR. CABIN/COCKPIT TEMPERATURE 17 CONTROLLER CABIN/COCKPIT TEMPERATURE 18 SENSOR. CABIN/COCKPIT TEMPERATURE CONTROL 19 SENSOR, COCKPIT TEMPERATURE CONTROL 20 SENSOR. CABIN/COCKPIT DUCT TEMPERATURE ANTICIPATOR 21 MANVAL CABIN PRESSURE 22 CONTROLLER CABIN PRESSURE 23 TRANDUCER. CABIN PRESSURE 24 VALVE, CABIN AIR OUTFLOW 25 VALVE, CABIN PRESSURE SAFETY 26 EMI FILTER, CABIN PRESSURE CONTROL 27 SWITCH, EMERGENCY CABIN PRESSURE RATE 28 AUXILIARY POWER UNIT (APU) 29 VALVE. APU AIR CHECK 30 NIPPLE. CHECK VALVE 8 AIR START ASSY 6 OTY PER AIRCRAFT 2 1 2 2 2 2 3 1 2 1 1 1 1 4 INIfriratfil 30 LEGEND ) BLEED AIR & AIR CORD DISTRIBUTION UNES PNEUMATIC CONTROL SYSTEM ELECTRICAL LINES GULFSTREAM IV MAINTENANCE MANUAL redtotk4) Air Conditioning System - Block Diagram Figure 1 21-00-00 Page 17 April 30/13 EFTA01204102