Bosch FAS-420-TM Series Aspirating Smoke Detectors LSN improved version - Manual (Page 29)

FAS-420-TM | FAS-420-TM-R | FAS-420-TM-RVB en 29
Bosch Sicherheitssysteme GmbH F.01U.088.879 | 4.0 | 2010.12
LSN Configuration
Once the aspirating smoke detector has been connected to the LSN, the detector and
detector unit are configured using the fire panel programming software via a laptop connected
to the fire panel. Information on the LSN configuration can also be found in the Online Help of
the programming software.
Notes on diagnostics data for the fire panel are contained in the operation guide for the fire
panel.
Parameter Settings via the Programming Software
The parameters for each detection unit are specified in the relevant "Sensor" dialog window
via drop-down fields. The default settings are marked in bold below (see tables).
You can set the following parameters:
Detector module
Fire source identification
With the device variants FAS-420-TM-R and FAS-420-TM-RVB, it is possible to assign each of
the five monitored rooms a designation. To do this, click the corresponding room and enter
the designation for this room in the "Label" field. The designation can be a maximum of 31
characters. In the event of a fire, this designation is displayed on the fire panel's operating and
display unit, making it possible for the fire source to be clearly pinpointed.
Settings via the FAS-ASD-DIAG Diagnostics Software
The settings described below only refer to the device variants FAS-420-TM-R and
FAS-420-TM-RVB.
NOTICE!
The DM-TM-50 Detector Module is installed as standard in all FAS-420-TM Series devices and
appears as a default setting. Please do not change this!
Sensitivity Further Sensitivity
0.5%/m A second sensitivity can be set, e.g. for day/
night mode. For adjustable sensitivity levels,
see left.
1%/m
2%/m
Programmable*
Threshold for Airflow fault Alarm delay
20% 10 sec
30% 30 sec
50% 60 sec
Programmable* Programmable*
Airflow Fault Delay Fan Voltage LOGIC⋅SENS Filter
30 sec 9 V On
100 sec 10.5 V
15 min 12 V Off
Programmable* Programmable*
* Programmable = Choose this option to select further settings via the FAS-ASD-DIAG
Diagnostics Software.
NOTICE!
When the fire panel is in revision operation, the LOGIC⋅SENS is temporarily deactivated,
allowing the detector modules to be checked quickly and directly.
The default threshold for airflow fault is set to a change of airflow volume of 20%. Higher
values are not allowed for installations according to EN 54-20.