Positive Alarm Sequence. PPT Louisiana Engineering Society Continuing Education Seminar on When an initiation device activates, a signal immediately occurs at the FACU, where qualified and trained personnel have up to 15 seconds to acknowledge the signal. Some occupancies will also allow alarms to run what's called a "positive alarm sequence" in accordance with section 9.6.3.4
Fire Alarm Flow Chart from mavink.com
NFPA 72 defines this as "an automatic sequence which results in an alarm signal, even when manually delayed for investigation, unless the system is reset." (3.3.205) It allows 15 seconds for someone to. Positive alarm sequence systems, on the other hand, are delayed alarms under specific controlled conditions that eventually default to a full general alarm
Fire Alarm Flow Chart
activation must be acknowledged electronically by trained personnel at the control panel within 15 seconds of receiving the alarm or the alarm. A positive alarm sequence is a method that allows for a temporary delay in notification while an investigation is conducted The requirements for positive alarm sequence notification are in 23.8.1.2
AB14004 Positive Alarm Sequence PDF. Positive alarm sequence allows for an investigation period of up to 180 seconds after an alarm is acknowledged at the control panel within 15 seconds NFPA 72 defines this as "an automatic sequence which results in an alarm signal, even when manually delayed for investigation, unless the system is reset." (3.3.205) It allows 15 seconds for someone to.
Alarm information in CSStudio ppt download. To prevent false alarms from being sounded to the occupants, the code allows for some buildings to be configured with a "presignal" feature (NFPA 72, 6.8.1.2), which allows for the initial fire alarm signal to go first to a location monitored around the clock by trained personnel This is intended to reduce unwanted alarms in large occupancies like hotels and assembly spaces.