CF-05-42- Cross Zoning Systems that require the operation of two automatic detectors to initiate the alarm response shall be permitted, provided that the following conditions are satisfied: 1) The systems are not prohibited by the AHJ 2) At least two automatic...
CF-05-41- Positive Alarm Sequence The positive alarm sequence addressed by 23.8.1.3 provides a timed delay of a general alarm signal in a building and at a supervising station This delay gives a trained responder up to 3 minutes (i.e., 180 seconds) to investigate the...
CF-05-40- Positive Alarm Sequence If approved by the AHJ, Systems that have positive alarm features shall be permitted The alarm signal shall be acknowledged at the control unit within 15 seconds If the signal is not acknowledged within 15 seconds, notification...
CF-05-39- Presignal Feature If permitted by the AHJ, system shall: The initial fire alarm signals sound only in department offices, control rooms, fire brigade stations, or other constantly attended central locations Where there is a connection to a remote location,...
CF-05-38- Latching Supervisory Signal Visible and audible indication of latching supervisory signals shall be indicated within 90 seconds A ‘latching’ supervisory signal means that the signal at the panel does not clear when the valve is reset to normal. Additional...
