The best fire suppression is early detection however this is only available for data centers classified as tier III or higher. Overall heat and smoke sensors are used in the ceiling and floor plenum for early detection and to communicate to the fire suppression system in the datacenter. The fire suppression system can be activated only when multiple inputs confirm the existence of a fire within the data center space.
The Clean Agent Extinguishing Systems shall also comprise the following inter-related sub-systems : Detection sub-system; Releasing control sub-system; Alarm annunciation sub-system; Extinguishing agent containment / release sub-system.