EFTA02495219

From: jeffrey E. <[email protected]> Sent: Sunday, June 28, 2015 9:52 AM To: Ivjet Subject: ram air duct door. ? the adc controls valves. bad adc?? ??! ACM and rotates in consonance with them. It provides cooling air flow across the primary and secondary heat exchanges whenever=the air conditioning unit is in operation. Air for cooling is deliv=red through the dorsal fin ram air inlet inflight and through that =nlet plus a flapper door in the refrigeration unit ducting on the g=ound. All air is then ported overboard. The cooling fan cannot be individu=lly controlled. MAINTENANCE MANUAL Included in the Environme=tal Control System (ECS) are two ACM bypass shut-off valves and ass=ciated ducting. The ACM bypass shut-off valves are 1.5 inch nominal diamet=r valves which allow airflow around the turbine section of the ACM =henever open. The unit receives its signals from the air data compu=er which opens valves at an altitude of 42,000 feet or greater and =loses valves at an altitude of 40,000 feet or less. The valve is spring-lo=ded to close in event of failure. The valve contains a =AO please note The information conta=ned in this communication is confidential, may be attorney-client privi=eged, may constitute inside information, and is intended only for th= use of the addressee. It is the property of JEE Unauthorized use, d=sclosure or copying of this communication or any part thereof is strict=y prohibited and may be unlawful. If you have received this communic=tion in error, please notify us immediately by return e-mail or by e-ma=l to [email protected] <[email protected]> , and destroy this communication and all copies thereotar>including all attachments. copyright -all rights reserved 1 EFTA_R1_01619043 EFTA02495219