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INDIAN RIVER COUNTY ADMINISTRATION COMPLEX <br /> TLC PROJECT NUMBER 503036 <br /> MAY 18 , 2006 <br /> ATRIUM SMOKE CONTROL <br /> PAGE 3 OF 6 <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- 1 -1 -4 Smoke Det <br /> AHU- 1 -2-2 Smoke Det <br /> Automatic Initiation Begin Smoke Evac <br /> Fan shutdown AHU- 1 -1 -4 <br /> Fan shutdown AHU- 1 -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 E <br /> Unlock and open door 101F <br /> Confirm doors open <br /> Oen damper 1 -2-5 <br /> Energize fan 1 -2-5 <br /> Display Smoke Evac in <br /> Operation <br /> Manual Shutdown End Smoke Evac <br /> De-energize fan 1 -2-5 <br /> Close damper 1 -2-5 <br /> End door open signal Restore system to normal <br /> operation <br /> Enable AHU-1 -1 -4 <br /> Enable AHU 1 -2-2 <br /> Display Normal Operation <br />