noun
automatic fire alarm system
Technical term used in building safety, fire codes, and facility management. Refers to the entire installed system of detectors, alarms, and control panels.
この建物には自動火災報知設備が設置されています。
This building is equipped with an automatic fire alarm system.
火災報知器 is a fire alarm device (often a single detector or manual call point), while 自動火災報知設備 refers to the complete automatic system.
Compound of 自動 (automatic), 火災 (fire), 報知 (notification), and 設備 (equipment/facility).