
Technical Manual
FT1020G3 Rev 2.2.1
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15.4 Interlocking control expressions............................................................................100
16 Fire Door Closing (MDH) ________________________________________________ 101
17 Functions / Services / Features___________________________________________ 102
17.1 Sensor value........................................................................................................102
17.2 Week average sensor value.................................................................................102
17.3 Decision value......................................................................................................103
17.4 Alarm algorithms for smoke detectors / Detection levels / Offsets .........................103
17.4.1 Alarm algorithm / Alternative alarm algorithm..................................................103
17.4.2 Filtering algorithm...........................................................................................104
17.4.3 Smouldering smoke algorithm ........................................................................106
17.4.4 Performance factor.........................................................................................107
17.5 Algorithms for Analogue heat detectors................................................................107
17.5.1 Class A1 algorithm .........................................................................................108
17.5.2 Class A2 S algorithm......................................................................................108
17.5.3 Class B S algorithm........................................................................................108
17.6 Self verification.....................................................................................................109
17.7 Minimum / Maximum sensor values......................................................................109
17.8 2-zone / 2-address dependence (Co-incidence alarm)..........................................110
17.8.1 2-zone dependence........................................................................................111
17.8.2 2-address (-unit) dependence.........................................................................111
17.8.3 Reset of 2-zone / 2-address dependence (co-incidence alarm).......................112
17.9 Delayed alarm......................................................................................................112
17.9.1 General time delay application........................................................................112
17.9.2 Specific time delay application........................................................................113
17.10 Selective Alarm Presentation................................................................................113
17.11 Alarm Verification Facility (AVF)...........................................................................113
17.12 Alert Annunciation................................................................................................114
17.13 Alert Annunciation Applications ............................................................................115
17.13.1 Alarm Acknowledgement Facility (AAF)..........................................................115
17.13.2 Local Alarm Acknowledgement (LAA).............................................................117
17.14 Quiet alarm ..........................................................................................................118
17.15 Fire alarm type A and Fire alarm type B................................................................118
17.15.1 Fire alarm type B............................................................................................119
17.15.2 Fire alarm type A............................................................................................119
17.16 Disable zones, alarm points, outputs, etc..............................................................119
17.16.1 Disable / Re-enable zone ...............................................................................120
17.16.2 Disable / Re-enable zone - address................................................................120
17.16.3 Disable / Re-enable output type......................................................................120
17.16.4 Disable / Re-enable alarm devices..................................................................120
17.16.5 Disable / Re-enable interlocking output...........................................................120
17.16.6 Disable / Re-enable outputs for routing equipment..........................................120
17.16.7 Disable / Re-enable alert annunciation function ..............................................120
17.16.8 Disconnect & Re-connect loop / zone line input..............................................120
17.17 External time channels.........................................................................................121
17.18 Test mode............................................................................................................121
17.19 Test alarm devices...............................................................................................121
17.20 Test of outputs.....................................................................................................122
17.21 Test of routing equipment.....................................................................................122
17.22 Calibration of supervised outputs..........................................................................122
17.23 Service signal.......................................................................................................122
17.24 Fault signal (fault condition)..................................................................................123
17.25 Alarm texts...........................................................................................................123
17.25.1 Creating the alarm texts via EBLWin...............................................................123
17.25.2 Downloading alarm texts to the Display Units 1728 / 1736 ..............................125
17.26 Real time clock (RTC) ..........................................................................................126
17.26.1 Daylight saving time.......................................................................................126
17.27 Loss of main power source...................................................................................126
17.27.1 Fault: Loss of main power source ...................................................................126
17.27.2 LCD backlight.................................................................................................126