FIRERAY
PRODUCT GUIDE
TABLE
OF
CONTENTS
Page
No.
1
About This Manual.................................................................................................................... 1
1.1
Introduction .................................................................................................................... 1
1.2
References..................................................................................................................... 1
1.3
Symbols ......................................................................................................................... 1
2
What is an Optical Beam Smoke Detector ............................................................................. 2
2.1
Definition ........................................................................................................................ 2
2.2
Operation Principles....................................................................................................... 3
2.3
Optical Beam Smoke Detector Types............................................................................ 4
2.3.1
Projected............................................................................................................ 4
2.3.2
Reflected............................................................................................................ 4
2.3.3
Application of Projected and Reflected Optical Beam Smoke Detectors.......... 5
2.3.4
New Optical Beam Smoke Detector Technology .............................................. 5
3
Where is an Optical Beam Smoke Detector Used ................................................................. 6
3.1
Traditional Applications.................................................................................................. 6
3.2
Special Applications....................................................................................................... 6
4
Specify an Optical Beam Smoke Detector ............................................................................. 7
4.1
Standards....................................................................................................................... 7
4.2
Coverage / Ceiling Height .............................................................................................. 7
4.3
Location, Spacing and Positioning................................................................................. 7
4.3.1
Flat Ceiling......................................................................................................... 8
4.3.2
Apex Ceiling – Shed Type ................................................................................. 8
4.3.3
Apex Ceiling – Peaked Type ............................................................................. 9
4.3.4
Atrium .............................................................................................................. 10
4.4
Capability to Critical Enviroments ................................................................................ 11
4.4.1
High Air Velocity .............................................................................................. 11
4.4.2
Hostile Enviroment .......................................................................................... 11
4.4.3
Stratification ..................................................................................................... 12
4.5
Comparison with Point Type Detectors ....................................................................... 14
4.5.1
High Air Velocity .............................................................................................. 14
4.5.2
Coverage / Spacing ......................................................................................... 14
4.5.3
Installation / Maintenance in Wide Area’s ....................................................... 14
4.6
Interface to a Fire Alarm Control Panel ....................................................................... 15
4.6.1
Conventional Optical Beam Smoke Detector .................................................. 15
4.6.2
Conventional Optical Beam Smoke Detector on an Addressable FACP ........ 15
5
Install an Optical Beam Smoke Detector ............................................................................. 16
5.1
Structure....................................................................................................................... 16
5.2
Reflections and Obscuration........................................................................................ 17
5.3
Optical Cross Talk........................................................................................................ 18
5.4
Sensitivity ..................................................................................................................... 18
5.5
Sunlight / Artificial Lights.............................................................................................. 18
5.6
Heat Sources ............................................................................................................... 18
5.7
Testing Procedures...................................................................................................... 19
5.7.1
Smoke Test...................................................................................................... 19
5.7.2
Fault Test......................................................................................................... 19
Summary of Contents for FIRERAY 100R
Page 2: ......