(A) Manually operated controls shall be provided to stop the operation of all central fan equipment. Such controls shall be conspicuously identified and in readily accessible locations outside the fan room.
(B) Every system using recirculated air and serving an assembly space or more than one fire area or more than one story of a building shall be provided with controls arranged so that under abnormal rise in temperature of the air in the system the fans causing normal circulation shall stop and require manual restart.
(C) Every system for ventilating an assembly space shall be provided with an emergency switch conveniently located and with a durable sign giving instruction for shutting down the system in case of fire.
(Prior Code, § 19-261) (Ord. 312, passed 3-25-1963) Penalty, see § 171.999