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