Technical Data - Bosch FAP-DO420 Operation Manual

Automatic Fire Detectors LSN
improved
9

Technical Data

DO detectors
Detector Type
Detection principle
Special features
Operating voltage
Current consumption
Individual display
Alarm output
Indicator output
Response sensitivity (basic
data)
Optical sensor
Thermal sensor
–
–
Chemical sensor
Max. monitoring area
Max. installation height
Permitted air speed
Permissible operating
temperature
Permitted relative humidity
Protection category
according to EN 60529
Bosch Sicherheitssysteme GmbH
Thermal differential
unit
Thermal maximum unit
FAP-DOTC420 FAP-DOT420
Combination of:
– Scattered-light measurement
– Measurement of absolute
temperature and temperature
increase
– Combustion -
gas
measurement
– Two optical sensors
– Contamination detection
– Drift compensation in the optical sensor
– Operation switching/sensor
deactivation in the optical unit and
in the thermal unit
15 V DC to 33 V DC
< 0.55 mA
Two-color LED (red/green)
Per data word by two-wire signal line
Open collector connects 0 V over 1.5 kilohm, max. 15 mA
< 0.18 dB/m (EN 54-7)
EN 54-5
> 54 °C/> 69 °C
ppm range -
120 m (observe VdS guidelines)
2
16 m (observe VdS guidelines)
20 m/s
-10 °C. . . +50 °C -20 °C. . . +50 °C
< 95% (non-condensing)
IP 40/IP 43 with detector base with damp room seal
Operation Guide
Technical Data | en 43
FAP-DO420
Scattered-light
measurement
-
-
-
-
-
-
-20 °C. . . +65 °C
12/2012 | 8.1 | F.01U.003.448