Guide to Intelligent Fire Alarm Systems

2

CONTENTS

 

1. INTELLIGENT FIRE ALARM SYSTEMS

4

1.1. INTRODUCTION

4

1.2. INTELLIGENT SYSTEM TYPES

4

1.3. COMMUNICATION PROTOCOL

4

1.4. ADDRESSING METHODS

5

1.5. SYSTEM FAULT TOLERANCE

5

1.6. DRIFT COMPENSATION AND MAINTENANCE ALARM

6

1.7. PRE-ALARM FACILITY

6

1.8. FIRE ALARMS

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1.9. FIRE SYSTEM ZONES

6

1.10. REMOTE LEDS

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1.11. INTERFACE MODULES

7

1.12. PROGRAMMING OF INTELLIGENT FIRE ALARM PANELS

7

1.13. ADVANTAGES OF INTELLIGENT SYSTEMS

7

2. DETECTOR APPLICATION GUIDE

8

2.1. FIRE SYSTEM CATEGORIES

8

2.2. MANUAL CALL POINTS

10

2.3. SELECTION OF AUTOMATIC FIRE DETECTORS

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2.4. LOCATION AND SPACING OF AUTOMATIC FIRE DETECTORS

13

2.5. ALARM SIGNALS

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2.6 MAINTENANCE OF FIRE DETECTORS

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2.7 ROUTINE FUNCTIONAL TESTING OF FIRE DETECTORS

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SERIES 200 PLUS ANALOGUE ADDRESSABLE DETECTOR RANGE

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INTRODUCTION

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SERIES 200 PLUS FEATURES

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GENERAL SPECIFICATIONS

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2251EM PHOTOELECTRIC SMOKE SENSOR

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2251TEM PHOTO–THERMAL SENSOR

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DRIFT COMPENSATION AND SMOOTHING

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5251REM, 5251EM AND 5251HTEM HEAT SENSORS

20

6500 AND 6500S BEAM DETECTOR

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7251 LASER DETECTOR

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2251EIS INTRINSICALLY SAFE DETECTOR AND IST200 INTERFACE

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B500 SERIES BASES

24

M200 SERIES MODULE RANGE

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INTRODUCTION

26

M200XE SHORT CIRCUIT ISOLATOR MODULE

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M210E SINGLE CHANNEL INPUT MODULE, M220E DUAL CHANNEL INPUT MODULE AND M221E DUAL CHANNEL INPUT,

 

SINGLE CHANNEL OUTPUT MODULE

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M201E OUTPUT MODULE

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M201E-240 AND M201E-240-DIN 240VAC RELAY MODULES

27

M210E-CZ CONVENTIONAL ZONE MODULE

27

Note: This document is based on the recommendations of BS5839 Part 1: 2002. It is intended only as a guide to the application of fire detection systems.

Reference must be made to relevant national and local standards.

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System Sensor BS5839 manual Guide to Intelligent Fire Alarm Systems, Contents

BS5839 specifications

System Sensor BS5839 is a standard that pertains to fire detection and alarm systems, providing guidelines for the design, installation, and maintenance of these essential safety tools. It is crucial for safeguarding lives and property, ensuring that fire detection systems are effective and reliable. The BS5839 standard, established in the UK, covers a wide range of fire alarm system types, including conventional, addressable, and wireless systems.

One of the main features of BS5839 is its comprehensive classification of fire detection systems. The standard divides systems into categories based on the level of risk and the environment in which the system will operate. This classification helps ensure that the system installed meets the specific needs of the building and its occupants. For example, Category L systems are meant for life safety, while Category P systems are designed to protect property.

The technologies underpinning BS5839 include various types of detectors, alarm devices, and control panels. Smoke detectors, heat detectors, and multi-sensor detectors are prominent among the devices specified in the standard. Smoke detectors use photoelectric or ionization principles to detect smoke and signal an alarm, while heat detectors respond to temperature changes. Multi-sensor detectors combine both smoke and heat detection technologies to provide a more reliable response to fire conditions.

Another key characteristic of BS5839 is the emphasis on regular testing and maintenance. The standard outlines procedures to ensure that systems remain operational and effective over time. This includes routine system checks, functional testing, and more in-depth inspections at regular intervals. Ensuring that systems are maintained according to BS5839 is vital for compliance with insurance requirements and for safeguarding against potential legal liabilities.

Furthermore, BS5839 highlights the importance of staff training and awareness. It emphasizes that personnel responsible for fire safety must be adequately trained in the operation and response to fire alarm systems. This ensures that in the event of a fire, occupants are prompted to take appropriate action and evacuate safely.

In summary, System Sensor BS5839 provides a crucial framework for fire detection and alarm systems. Its classification of systems, incorporation of advanced technologies, and emphasis on maintenance all contribute to enhanced safety and compliance, protecting lives and property effectively.