Bosch FAP-DO420 Operation Manual page 15

Automatic Fire Detectors LSN
improved
To maintain the greatest possible security against false alarms, classes A1 and A1R should not
be selected for room heights below 6 m, although these classes are in theory permitted.
Furthermore, the expected application temperature must be taken into consideration.
Temperature
rate-of-rise [K
min
10
20
30
Bosch Sicherheitssysteme GmbH
Response time for detectors in the
sensitivity class A1R
]
-1
Lower limiting
value [min/sec]
1 min
30 s
20 s
Upper limiting
value [min/sec]
4 min 20 s
2 min 20 s
1 min 40 s
Operation Guide
Programming | en
Response time for detectors in the
sensitivity classes A2R/BR
Lower limiting Upper limiting
value [min/sec] value [min/sec]
2 min 5 min 30 s
1 min 3 min 13 s
40 s 2 min 25 s
12/2012 | 8.1 | F.01U.003.448
15