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P/N 13772-127 1 of 14 Cirrus Design Section 9 SR22 Supplements Pilot’s Operating Handbook and FAA Approved Airplane Flight Manual Supplement for Air Conditioning System When the Air Conditioning System is installed in the Cirrus Design SR22, this POH Supplement is applicable and must be inserted in the Supplements Section (Section 9) of the Cirrus Design SR22 Pilot’s Operating Handbook. This document must be carried in the airplane at all times. Information in this supplement adds to, supersedes, or deletes information in the basic SR22 Pilot’s Operating Handbook. • Note • Noted effectivity “Serials with G3 Wing” indicates Serials 2334, 2420, 2438 and subsequent. Noted effectivity “Serials before G3 Wing” indicates Serials 1602, 1821, 1840, 1863 thru 2333, 2335 thru 2419, and 2421 thru 2437. This POH Supplement Change, dated Revision 01: 03-27-07, supersedes and replaces the original release of this POH Supplement dated 01-26-06. Revision 01: 03-27-07 2 of 14 P/N 13772-127 Section 9 Cirrus Design Supplements SR22 Section 1 - General The Air Conditioning System is designed to heat and cool the cabin to desired temperature settings and maintain comfortable humidity levels. The system consists of an engine driven compressor, condenser assembly, evaporator assembly, exhaust heat exchanger, fresh air inlet, air-mixing chamber, blower fan, distribution manifold, ducting, windshield diffuser, vent outlets, associated plumbing, controls, actuators, wiring for system flow-selection and temperature control. Serials before G3 Wing; Ventilation and cooling is provided by ducting fresh air from the RH wing inlet to the mixing chamber located under the front passenger seat. Depending on operating mode and temperature selection, the air in the chamber is ducted directly into the distribution system or, if in air-conditioning mode, is further cooled by the evaporator assembly mounted adjacent to the mixing chamber. Heating is accomplished by mixing ventilation air from the fresh air inlet with heated air provided by the muff-type heat exchanger surrounding the right engine exhaust muffler. The conditioned air is then forced by ram air pressure or by blower fan into a distribution manifold which regulates airflow and vent selection. Serials with G3 Wing; Ventilation and cooling is provided by ducting fresh air from a NACA vent on the RH lower cowl to the mixing chamber located on the lower RH portion of the firewall. Depending on operating mode and temperature selection, the air in the mixing chamber is ducted directly into the distribution system or, if in airconditioning mode, is further cooled as it passes through the evaporator assembly located under the front passenger seat. Heating is accomplished by mixing ventilation air from the fresh air inlet with heated air provided by the heat exchanger in the mixing chamber on the firewall. From the mixing chamber, which also control airflow into the cabin, the conditioned air is forced by ram air pressure or by blower fan into a distribution manifold which regulates vent selection. Airflow, temperature, and vent selection is accomplished using the system control panel mounted on the right hand portion of the instrument panel. The aircraft engine must be running for the air-conditioner to operate. Revision 01: 03-27-07 P/N 13772-127 3 of 14 Cirrus Design Section 9 SR22 Supplements 1 2 3 AC ON COLD HOT OFF S P S P FOOT-WARMER DIFFUSER DISTRIBUTION MANIFOLD FRESH AIR VALVE EVAPORATOR ASSEMBLY HOT AIR VALVE COMPRESSOR HEAT EXCHANGER RECIRCULATION CHECK VALVE SR22_FM09_2081B VENTS TEMPERATURE AIRFLOW AIR INLET CONDENSER ASSEMBLY NOTE: Illustration depicts maximum cabin cooling airflows and selector settings. PANEL AIRFLOW FRESH AIR INTAKE FLOOR AIRFLOW WINDSHIELD DIFFUSER AIR MIXING CHAMBER AIR GASPER Figure - 1 (Sheet 1 of 2) Air Conditioning System Schematic - Serials before G3 Wing Revision 01: 03-27-07 4 of 14 P/N 13772-127 Section 9 Cirrus Design Supplements SR22 Figure - 1 (Sheet 2 of 2) AIR FLOW VALVE RAM AIR RAM AIR FRESH AIR VALVE HOT AIR VALVE HEAT EXCHANGER 1 2 3 AC ON COLD HOT OFF S P S P FOOT-WARMER www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：飞行员操作手册和飞机飞行手册 空调系统
