This zoned configuration made determining the exact location of an alarm or trouble on the system extremely difficult. Typically, there were three zones per floor: one for water flow, one for common area or general alarm, and one for guest-room smoke detectors. The original system had a zone configuration with selective signaling (floor above/floor below) and was configured with audio-voice-evacuation capabilities. sought an addressable panel that could communicate using the existing thermoplastic-high-heat-resistant-nylon-coated (THHN) wiring installed throughout the building.Ī P400 analog addressable fire-alarm control panel from Potter Electric Signal Company LLC was chosen because of its ability to easily function using the existing THHN wiring. Rather than rewire the building with new twisted, shielded cable, fire-protection and security contractor Fire Pros Inc. When Crowne Plaza Hotels & Resorts set out to resurrect the 25-story, 422-room luxury hotel in 2012, the dated conventional, non-addressable fire system proved to be a hindrance. Erected in 1965, Hotel Pontchartrain in Detroit went through many ownership and name changes before closing in 2009 years of neglect and poor management had taken their toll.
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