Standard

BS 5446-4:2020

Fire detection and fire alarm devices for dwellings - Specification for multi-sensor fire alarms using any combination of smoke, heat and carbon monoxide sensors

Current

•

Published:

30 Nov 2020

1 Scope

This part of BS 5446 specifies requirements and type test methods for multi-sensor fire alarms, using one of the following combinations of sensors:

a) smoke and heat;
b) smoke and carbon monoxide;
c) carbon monoxide and heat; and
d) smoke, carbon monoxide and heat.

It is applicable to multi-sensor fire alarms intended solely for permanent installation on ceilings or walls of dwellings, and to multi-sensor fire alarms suitable for use in leisure accommodation vehicles (LAVs).

It is not applicable to multi-sensor fire alarms incorporating ionization smoke sensors.

NOTE 1 Equipment conforming to this part of BS 5446 might not be suitable for use in boats used as a means of accommodation on inland waterways, due to the corrosive atmosphere.

NOTE 2 Although not covered by this part of BS 5446, equipment is available for use with multi-sensor fire alarms to provide a suitable warning system for use by deaf and hard of hearing people (see BS 5446‑3).

NOTE 3 This part of BS 5446 does not cover the requirements for devices intended for incorporation in fire detection and alarm systems (see BS EN 54‑1).

NOTE 4 This part of BS 5446 does not include detection of carbon monoxide as a toxic gas (see BS EN 50291‑1).

NOTE 5 This part of BS 5446 does not include detection of fire using heat only (see BS 5446‑2).

Product Details

Descriptors

Safety devices

Warning devices

Alarm systems

Fire alarms

Smoke

Heat

Carbon monoxide

Sensors

Fire detection equipment

Fire detection systems

ICS Codes

13.220.20 Fire protection

Committee

FSH/12

International relationships

—

ISBN

978 0 539 05073 8

Publisher

BSI