Manual call points repair and supply
Manual call points (MACs) are independent of any circuit containing
automatic fire detectors, and initiate a visual and audible warning in the
plant.
MACs
are manual alarm call points. MACs are installed at the strategical locations
within a process areas or building. Activation of one or more alarm points
initiates a confirmed fir signal in the fire panel, local and general alarms in
the plant areas.