AADvance Safety Manual - Tuv-fs.com

AADvance Safety Manual If the control and indicating equipment is designed to be used with a power supply(item L of figure 1 of EN 54-1) contained in a separate cabinet, then an interfaceshall be provided for at least two transmission paths to the power supply, such thata short circuit or an interruption in one does not affect the other. The EN54-2 certification is only applicable where the system is applied inaccordance with this safety manual and EN54-2 requirements.EN54 section 7.12 Dependencies on More Than One Alarm Signal7.12.1 Type A dependency (option with requirement)Following the receipt of a first alarm signal from a fire detector, the entry to the firealarm condition may be inhibited until the receipt of a confirmation alarm signal fromthe same fire detector, or from a fire detector in the same zone. In this case, the firstalarm state need not be indicated, and the following shall apply: the mode of operation shall be configurable at access level 3 for individual zones; reception of a confirmation alarm shall not be inhibited for more than 60s followingthe receipt of the first alarm signal. The manufacturer may specify a time shorterthan 60 s. In this case, this specification shall be tested and verified; the first alarm state shall be automatically cancelled within 30 min of the receipt ofthe first alarm signal; information on the values of the configured delay times shall be accessible at accesslevels 2 or 3.7.12.2 Type B dependency (option with requirement)Following the receipt of a first alarm signal from a fire detector, the entry to the firealarm condition may be inhibited until the receipt of a confirmation alarm signal fromthe same fire detector, or from a fire detector in the same or a different zone. In thiscase, the first alarm state need not be indicated, and the following shall apply: the mode of operation shall be configurable at access level 3 for at least individualzones; the first alarm state shall be indicated by means of: an audible indication as in 12.10 which may be the same as that in the fire alarmcondition or fault warning condition; a visible indication of affected zone, which may be the same as that forindication of zone in alarm as in 7.3. The general fire alarm indicator shall notbe illuminated; it shall be possible to manually cancel the first alarm state at access level 2. Thismay be done with the same control as is used for reset from the fire alarmcondition or fault warning condition; the CIE may have provision to automatically cancel the first alarm state after a timeinterval which shall not be less than 5 min;5-10 Document number 553630 Issue 7: February 2010