Technical data

36 en | Technical Data
Automatic Fire Detectors LSN improved
version
F.01U.003.449 | 7.2 | 2010.05 Product Information Bosch Sicherheitssysteme GmbH
Multisensor detector
Detector type FAP-OTC 420 FAP-OT 420
Detection principle Combination of:
– Scattered-light
measurement
– Measurement of absolute
temperature and
temperature increase
– Combustion gas
measurement
Combination of:
– Scattered-light
measurement
– Measurement of absolute
temperature and
temperature increase
Special features – Contamination detection
– Drift compensation in the
optical sensor and the
gas sensor
– Operation switching/
sensor deactivation in
the optical unit and in the
thermal unit
– Contamination detection
– Drift compensation in the
optical sensor
– Operation switching/
sensor deactivation in
the optical unit and in the
thermal unit
Operating voltage 15 V DC to 33 V DC
Current consumption < 0.55 mA
Individual display Two-color LED (red/green)
Alarm output Per data word by two-wire signal line
Indicator output Open collector connects 0 V over 1.5 kilohm, max. 15 mA
Response sensitivity (basic
data)
– Optical sensor:
< 0.15 dB/m (EN 54-7)
– Thermal differential unit:
EN 54-5
– Thermal maximum unit:
> 54 °C/> 69 °C
– Chemical sensor: ppm
range
– Optical sensor:
< 0.15 dB/m (EN 54-7)
– Thermal differential unit:
EN 54-5
– Thermal maximum unit:
> 54 °C/> 69 °C
Max. monitoring area
120 m
2
(observe VdS guidelines)
Max. installation height 16 m (observe VdS guidelines)
Permitted air speed 20 m/s
Permissible operating
temperature
-10 °C. . . +50 °C -20 °C. . . +50 °C
Permitted relative humidity < 95% (non-condensing)
Protection category
according to EN 60529
IP 40 /
IP 43 with detector base with damp room seal
Color code yellow ring black ring
Dimensions without base
Dimensions with base
∅ 99.5 x 52 mm
∅ 120 x 63.5 mm
Housing material/color ABS/white, similar to RAL 9010, matte surface
Weight without packaging
Weight with packaging
Approx. 80 g
Approx. 125 g
Approx. 75 g
Approx. 115 g
Product ID F.01U.508.816 F.01U.508.815