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INDIAN RIVER COUNTY ADMINISTRATION COMPLEX <br /> TLC PROJECT NUMBER 503036 <br /> MAY 18 , 2006 <br /> ATRIUM SMOKE CONTROL <br /> PAGE 6OF6 <br /> ENGINEERING <br /> FOR ARCHITECTURE <br /> Control Diagram <br /> EVENT FACP SECURITY <br /> Manual Initiation Begin Smoke Evac <br /> Water flow <br /> Atrium Smoke Det <br /> AHU-2-1 -1 Smoke Det <br /> AHU-2-2- 1 Smoke Det <br /> AHU-2-2-2 Smoke Det <br /> Automatic Initiation Begin Smoke Evac <br /> Fan shutdown AHU-2- 1 -1 <br /> Fan shutdown AHU-2-2-1 <br /> Fan shutdown AHU-2-2-2 <br /> Send door open signal Begin Door Opening <br /> Unlock and open door 101A <br /> Unlock and open door 101 B <br /> Unlock and open door 101 C <br /> Confirm doors open <br /> Oen damper 2-2-3 <br /> Energize fan 2-2-3 <br /> Open damper 2-2-4 <br /> Energize fan 2-2-4 <br /> Display Smoke Evac in <br /> Operation <br /> Manual Shutdown End Smoke Evac <br /> De-ener ize fan 2-2-3 <br /> Close damper 2-2-3 <br /> De-energize fan 2-2-4 <br /> Close damper 2-2-4 <br /> End door open signal Restore system to normal <br /> operation <br /> Enable AHU-2-1 -1 <br /> Enable AHU-2-2- 1 <br /> Enable AH -2-2 <br /> Display Normal Operation <br />