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