EST UL ULC Speaker Application Guide

Speaker out the border at to see more of the Control F to by key word Systems Technology Application Guide Systems Technology of Speakers for Adequate Fire Alarm Signaling and Voice Communication 1995 Edwards Systems Technology Issue 2 is our intention to keep the product information current and We can not cover specific applications or anticipate all All specifications are subject to change without For more information or questions relative to this document EST Systems Technology i of Contents Foreword 1 Foreword 1 Behavior of Sound 2 General 2 Measurement of Sound 2 Reverberant Room Testing 3 Anechoic Chamber Testing 4 Voice Tones and Speech 5 Effect of Distance 6 Effect of Power watts 6 Codes Standards Requirements 7 ANSI NFPA 72 National Fire Alarm Code 1993 7 Audible Characteristics Public Mode 7 Audible Characteristics Private Mode 8 Sleeping Areas 8 Locating Speakers 8 ADA Americans with Disabilities Act 8 N B C National Building Code of Canada 1995 9 Alert and Alarm Signals Audibility 9 Temporal Pattern 9 Sleeping Rooms 10 Acoustic Measurement 10 CAN ULC S524 Standard for the Installation of Fire Alarm Systems 10 Locating Speakers 11 Speaker Application 12 Design Guidelines General 12 Design Reference Typical Ambient Sound Levels 13 Speaker Power Wattage Tap Selection 14 Wire Run Limitations 16 Speaker Wiring Lengths 25 VRMS 16 Speaker Wiring Lengths 70 VRMS 17 EST Speakers Typical Sound Patterns 17 Single Speaker and Speaker Strobe 18 Two Ceiling Mounted Speakers and Speaker Strobes 21 Two Wall Mounted Speakers and Speaker Strobes 24 Bi directional Back to Back Speakers and Speaker Strobes 28 Speaker Application Typical Layout Sketches 33 Corridor Ceiling or Wall Mount 34 Application Guide ii Systems Technology Corridor Bi directional Mount 35 Office 36 Lobby 37 Manufacturing 38 High Ceilings Ceiling Mount 39 Large Rooms with High Ceilings 40 Stairwell Cone Speakers 41 Parking Garage 42 Glossary 43 APPENDICES 45 Appendix A EST Speakers Specifications and Performance 45 4 Cone Speakers 964 965 Series 46 4 Cone Speakers 964 965 Series 47 4 Cone Speaker Strobes 964 965 Series 48 4 Cone Speaker Strobes 964 965 Series 50 4 Cone Speaker Strobes 765 767 Series 52 8 Cone Speakers 964 965 Series 54 8 Cone Speakers 964 965 Series 55 8 Cone Speaker Strobes 964 965 Series 56 8 Cone Speaker Strobes 964 965 Series 58 Re entrant Speakers 894B Series 60 4 Cone Speakers CSVT Series 61 Re entrant Speakers CVT CVTF Series 62 Acknowledgements 63 Application Guide Systems Technology Foreword 1 alarm systems alert occupants of a building and inform them that an emergency exists Usually the is to initiate evacuation In high rise buildings a voice communication system is provided to give occupants more information such as the nature and location of the fire or instructions for The system fails to meet its goals if the signal is not heard and clearly understood by the Robert P Schifiliti P E application guide provides information on the placement layout of EST speakers for adequate fire tone signaling and emergency voice communication The suggested placement should provide adequate coverage In certain cases the speaker spacing can be stretched However many factors the transmission and attenuation