Bosch FCP‑320 Series - Page 28

28 en | Specifications Conventional Automatic Fire Detectors
2021.03 | 11 | F.01U.004.377
User manual
Bosch Sicherheitssysteme GmbH
8 Specifications
Multisensor Detectors
Device Type FCP-OC320/FCP-OC320-R470 FCP-OT320/FCP-OT320-R470
Detection principle Combination of:
– Scattered light measurement
– Combustion gas measurement
Combination of:
– Scattered light measurement
– Measurement of absolute
temperature and temperature
increase
Special features – Drift compensation of the optical
sensor and the gas sensor
– Drift compensation of the optical
sensor
Operating voltage 8.5VDC to 30VDC
Current consumption < 0.12mA
Individual display LED red
Alarm output Current increase (alarm resistor approx. 820Ω or 470Ω)
Indicator output Open collector, connects through 0V via 3.92kΩ, max. 8mA
Response sensitivity (basic
data)
– Optical sensor:
< 0.23dB/m (EN54-7)
– Chemical sensor: ppm range
– Optical sensor:
< 0.19dB/m (EN54-7)
– Thermal sensor: Class A2R acc. to
EN 54-5
– Thermal maximum unit:
> 54°C
– Thermal differential unit:
refer to table Response Sensitivity
of the Thermal Differential Unit
According to EN54‑5, page 30
Max. monitoring range 120m
2
(observe VdS guidelines)
Maximum installation height 16m (observe VdS guidelines)
Permissible air speed 20m/s
Permissible operating temp. -10°C . . . +50°C -20°C . . . +50°C
Permissible relative humidity < 95% (non-condensing)
Protection category according
to EN60529
IP41
IP43 with detector base with damp room seal
Color code Blue ring Black ring
Dimensions without base
Dimensions with base
circumference 99,5 x 52mm
circumference 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