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Elevator Smoke & Fire Detectors – Frequently Asked Questions
Why are smoke detectors specifically required in elevator shafts?
Elevator shafts act as vertical chimneys that can rapidly spread fire and smoke between floors. EN 81-20, EN 81-72 (firefighters' lifts), and national fire codes require smoke detection in shafts and machine rooms to trigger elevator recall, preventing the elevator from stopping at a fire floor and protecting passengers from smoke inhalation.
What is elevator recall and how is it triggered by fire detectors?
Elevator recall (also called phase 1 firefighters' operation) automatically sends the elevator to a designated recall floor (typically ground floor) when smoke or fire is detected. The elevator doors open and remain open, preventing use by ordinary passengers and allowing firefighters to take manual control. This function is required by EN 81-72 and EN 81-73.
What standards certify fire detectors used in elevator systems?
Fire detectors must comply with the EN 54 series (Fire detection and fire alarm systems), particularly EN 54-7 (smoke detectors) and EN 54-5 (heat detectors). In Turkey, TS EN 54 is the applicable standard. Detectors must carry CE marking confirming compliance with the Construction Products Regulation (CPR).
Can existing elevators be retrofitted with smoke detection systems?
Yes. Smoke and fire detectors are commonly added during elevator modernization or as standalone fire safety upgrades. Turkish suppliers on Elevator.tr offer retrofit-compatible detector systems with the correct relay output interfaces for integration with older elevator control panels, ensuring compliance with updated fire safety codes.