SCS Series Manual — P/N 15712:L 7/18/16 5
Table of Contents
Section 1: About This Manual..................................................................................................9
1.1: Standards and Other Documents....................................................................................................................9
1.2: UL 864 Compliance.....................................................................................................................................10
1.2.1: Products Subject to AHJ Approval....................................................................................................10
1.2.2: Application Not Consistent with UL and NFPA Standards ..............................................................10
1.3: Supplemental Documentation......................................................................................................................10
1.4: Cautions and Warnings................................................................................................................................11
1.5: Manual Conventions....................................................................................................................................11
Section 2: Concepts of Smoke Control ................................................................................12
2.1: Introduction..................................................................................................................................................12
2.1.1: Definitions.........................................................................................................................................12
2.1.2: Abbreviations.....................................................................................................................................14
2.2: Smoke Movement........................................................................................................................................14
2.2.1: Stack Effect........................................................................................................................................14
2.2.2: Buoyancy...........................................................................................................................................15
2.2.3: Expansion ..........................................................................................................................................15
2.2.4: Wind ..................................................................................................................................................15
2.2.5: Elevator Piston Effect........................................................................................................................15
2.2.6: HVAC Systems .................................................................................................................................16
2.3: Principles of Smoke Control........................................................................................................................16
2.3.1: Smoke Containment ..........................................................................................................................16
2.3.2: Purging ..............................................................................................................................................17
2.3.3: Door-Opening Forces ........................................................................................................................17
2.4: General System Components.......................................................................................................................17
2.4.1: HVAC Equipment .............................................................................................................................18
HVAC Systems ....................................................................................................................................18
Ductwork..............................................................................................................................................20
Fans.......................................................................................................................................................20
Dampers................................................................................................................................................21
2.4.2: Control Equipment ............................................................................................................................22
2.4.3: Initiating Devices...............................................................................................................................22
2.5: Smoke Control System Types......................................................................................................................22
Basic System Descriptions...................................................................................................................23
2.5.1: Stairtower Pressurization Systems.....................................................................................................23
Single Injection.....................................................................................................................................24
Multiple Injection.................................................................................................................................24
Compartmentalization ..........................................................................................................................24
Vestibules .............................................................................................................................................24
2.5.2: Elevator Hoistway Systems...............................................................................................................25
Prevention of Smoke Movement Systems............................................................................................25
Elevator Evacuation..............................................................................................................................25
2.5.3: Zoned Smoke Control Systems .........................................................................................................27
Exterior Wall Vents..............................................................................................................................27
Smoke Shafts........................................................................................................................................27
Mechanical Exhaust..............................................................................................................................28
Use of HVAC System ..........................................................................................................................28
2.6: Basic Smoke Control System Operation .....................................................................................................29
Section 3: The SCS⁄SCE.........................................................................................................32
3.1: Introduction..................................................................................................................................................32
3.1.1: Hardware Features.............................................................................................................................32
3.1.2: SCS V4.0 Software Features ............................................................................................................33
3.2: Smoke Control Station (SCS-8)...................................................................................................................33
3.3: Smoke Control Lamp Driver (SCS-8L).......................................................................................................35
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