Local Extinguishing System - LES-RACK
LES-RACK is a self-contained, fully automatic detection and fire protection system. Designed for installation in 19" rack cabinets and bigger, it offers very efficient and effective solution for servers, telecommunication and control racks/cabinets. System LES-RACK M consists of fully equipped automatic system of fire detection, control, evaluation, communication and extinguishing unit. Larger-sized server racks and adjacent cabinet units may be protected by additional auxiliary units LES-RACK S consisting only of detection elements, communication and fire extinguishing unit.System LES-RACK performs extinguishing on the principle of flooding the protected space with clean gas and maintaining required extinguishing concentration inside the protected space. Extinguishing unit is formed by cylindrical metal pressure cylinders filled with extinguishing mixture (clean extinguishing agent HFC-236fa Hexafluoropropane according to the certificate of Type issued by TÚPO - Technical Institute of Fire Protection, Authorized Body 221) and pressured by propelling gas.
For detection of fire, each LES-RACK system is equipped with optical fire detectors, which - in order to eliminate false alarms - are interconnected in double-loop dependency and connected to the evaluation and control unit. Integrated control unit indicates system's current status, controls and evaluates actuation of the extinguishing unit. System LES-RACK M allows communication with the fire alarm control panel (FACP) of the building and reports the following statuses: pre-alarm, alarm and extinguishing.
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