Fire Alarm Cause And Effect | Matrix

| Zone/Device Cause | Signal Type | Output Effect | Delay (Sec) | Notes | | :--- | :--- | :--- | :--- | :--- | | 5th Floor East Stairwell Smoke Detector | Alarm | Sound 5th Floor Horns; Activate all Strobes; Unlock Stairwell Maglocks | 0 | Immediate evacuation | | Air Handling Unit #3 Supply Duct Detector | Alarm | Shutdown AHU #3 motor; Close Smoke Damper SD-3A | 10 | No floor horns; Alert only panel |

A cause and effect matrix is a tabular representation of the relationships between the causes of a fire alarm activation and the resulting effects or actions. The matrix typically consists of two axes: fire alarm cause and effect matrix

Define expected automatic and manual responses of the fire alarm system for each initiating event to ensure correct, predictable actions for life safety, alarm notification, and system control. | Zone/Device Cause | Signal Type | Output