Technical data

Automatic Fire Detectors LSN improved
version
Technical Data | en 35
Bosch Sicherheitssysteme GmbH Product Information F.01U.003.449 | 7.2 | 2010.05
9 Technical Data
DO detectors
Detector Type FAP-DOTC420 FAP-DOT420 FAP-DO420
Detection principle Combination of:
– Scattered-light measurement
– Measurement of absolute
temperature and temperature
increase
Scattered-light
measurement
–Combustion
gas
measurement
--
Special features – Two optical sensors
– 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
– Thermal maximum unit
EN 54-5
> 54 °C/> 69 °C
-
– Chemical sensor ppm range - -
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 -20 °C. . . +65 °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 2 yellow rings 2 black rings 2 gray rings
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. 135 g
Approx. 75 g
Approx. 125 g
Approx. 75 g
Approx. 125 g
Product ID F.01U.116.034 F.01U.116.033 F.01U.116.032