CSA-SGA Performance

OPTIMUM HEIGHT= <4.0 METRES In any installation, to obtain the fastest possible response times, the area to be protected should conform to the guide-lines laid down in this document. If the ceiling heights are above 4.0m, it may be necessary to suspend the detectors on a medium such as unistrut or similar.

Equally, the performance of the system is dependant on the number of detectors for a given room volume.. This can be calculated by overlapping the coverage area for each in-stalled detector. MOUNTING HEIGHT The optimum installation height of each Cig-Arrête smoke detector is not greater than 4.0m.

AREA COVERAGE The optimum area covered by each Cig-Arrête smoke detector is a circle whose diameter is not greater than 2.5m. The system will operate given a larger coverage area but the performance will tend to deteriorate as the coverage expands. As a rule of thumb, if toilet cubicles are not full height, then install 1 detector over two adjoining cubicles for best results. Typical coverage of Cig-Arrête detectors

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