Fire detection and fire alarm devices for dwellings -- Specification for multi-sensor fire alarms using any combination of smoke, heat and carbon monoxide sensors
This part of BSÂ 5446 specifies requirements and type test methods for multi-sensor fire alarms, using one of the following combinations of sensors:
smoke and heat;
smoke and carbon monoxide;
carbon monoxide and heat; and
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.
NOTEÂ 1 Equipment conforming to this part of BSÂ 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).
| SDO | BSI: British Standards Institution |
| Document Number | 5446-4 |
| Publication Date | Nov. 27, 2020 |
| Language | en - English |
| Page Count | 132 |
| Revision Level | |
| Supercedes | |
| Committee | FSH/12 |