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elevator heat detectors alarm or supervisory


Registered User
Sep 16, 2022
I noticed that a building, the elevator machine rm and pit and shaft is programmed as a supervisory signal. i don't know if the county plan review approved it or its a mistake by the plan review and contractor. per NFPA 72 a heat detector shall be programmed as a alarm condition correct? can someone tell me if there is a exception in the code to be in supervisory in a building or school. also I notice that they used a nonaddressable device connected to a module and program as a supervisory