Bosch FAS‑420‑TP Series - Page 27

Aspiration smoke detectors LSN improved Technical data | en 27
Bosch Sicherheitssysteme GmbH Quick installation guide 2020.04 | 5 | F.01U.029.274
– DM‑TT‑50(80) Detector Module 0.5%/m (0.8%/m) *
– DM‑TT‑10(25) Detector Module 0.1%/m (0.25%/m) *
– DM‑TT‑01(05) Detector Module 0.015%/m (0.05%/m) *
Service life of the fan (12V) 43,000 hrs at 24°C
* The sensitivity value is based on measurements with standard test fires (old value in
brackets).
SL variants
Electrical
LSN power supply 15VDC to 33VDC
Auxiliary power supply 14VDC to 30VDC
LSN current consumption 6.25mA
Current consumption from auxiliary power supply
(at24V)
FAS-420
-TP1-SL -TP2-SL -TT1-SL -TT2-SL
– Starting current, fan voltage 6.5V 190mA 250mA 190mA 250mA
– Starting current, fan voltage 6.9V 190mA 250mA 190mA 250mA
– Starting current, fan voltage 9V 190mA 250mA 190mA 250mA
– On standby, fan voltage 6.5V 130mA 170mA 130mA 170mA
– On standby, fan voltage 6.9V 140mA 180mA 140mA 180mA
– On standby, fan voltage 9V 170mA 210mA 170mA 210mA
– On alarm, fan voltage 6.5V 150mA 180mA 150mA 180mA
– On alarm, fan voltage 6.9V 160mA 200mA 160mA 200mA
– On alarm, fan voltage 9V 190mA 230mA 190mA 230mA
Mechanics
Displays on the device FAS‑420‑TP1/FAS‑420‑TP2
– Power Green LED
– Fault yellow LED
– Alarm 1 red LED/2 red LEDs
Displays on the device FAS‑420‑TT1/FAS‑420‑TT2
– Power Green LED
– Fault Yellow LEDs
– Level display 1 x / 2 x smoke level display, each
with 10segments (1-10)
– Alarm 1 x 3 / 2 x 3 red LEDs for info alarm,
internal-alarm and main alarm
Conical duct connections for Ø25mm