Bosch ISW-BDL1-W11PGX, System Reference Manual

Page: 44 / 58

44 en | wLSN Devices wLSN
F01U138553 | 01 | 2010.05 System Reference Guide Bosch Security Systems, Inc.
5.12 wLSN Smoke Detector
(ISW-BSM1-SX)
Under normal conditions, the red LED on the wLSN Smoke
Detector flashes once every 8 sec while the sensor monitors the
surrounding environment. When the sensor detects smoke, the
LED changes from flashing to steady and the sounder produces
a loud continuous tone. Refer to Table 5.20, Page 46 , and
Table 5.21, Page 46 .
A self-diagnostic feature monitors detector sensitivity and
operational status.
A cover tamper switch transmits a tamper signal when the
cover is removed from its base.
The optical chamber is removable for easy maintenance.
The detector complies with EN14604.
Table 5.19 wLSN Smoke Detector Specifications
Figure 5.16 wLSN Smoke Detector Overview
Specification Value
Power Two lithium batteries; 3 VDC
Sensitivity 0.14 ± 0.04 dB/m
Drift Compensation Adjustment 1.64%/m (0.5%/ft) maximum
Average Alarm Current 70 mA
Sounder 85 dBA at 3 m
Callout Description
1 High Intensity LED
2 Test/Silence Button
1 2