'Detection' task card
'Zone'
11
150 | 412
Building Technologies
A6V10210424_j_en_--
Fire Safety
2018-08-29
Single-detector dependency and
The following table shows the required number of detectors with
danger level
(GS) 2 or 3 in order to meet the criteria for 'PRE-STAGE'/'MAIN STAGE'' and to
trigger an alarm.
Template
Required number of detectors with danger level
(GS)
'PRE-STAGE'
'MAIN STAGE'
GS 2
GS 3
GS 2
GS 3
'Single, standard'
1
0
0
1
'Single, no pre-alarm'
0
0
0
1
'Single, non-latching alarm' 0
0
0
1
'Single, ALARM sub-system' 1
0
0
1
'Single, Exting. discharged' 1
0
0
1
'Single, Exting. pre-alarm'
1
0
0
1
'Single, Gas alarm'
1
0
0
1
'Single, Gas warning'
1
0
0
1
'Single, door holders'
0
0
0
1
'Single, local ALARM'
1
0
0
1
'Multi, standard'
1
0
2
1
'Multi, garage'
0
0
0
2
'Multi, store'
1
0
2
1
'Multi, 2 det. dependency'
0
1
0
2
'Multi, ALARM sub-system' 0
1
0
2
'Multi, 2 det. dependency II'
[AT]
0
1
0
2
'Multi, 2 det. dependency III'
[CH]
0
1
0
2
'Two-zone dependency'
0
1
0
0
Table 6: Single-detector dependency and multi-detector dependency
