Connection To The Fire Panel; Electrical Connection - Bosch FAS-420-TM Operation Manual

62 en | Installing the Aspirating Smoke Detector
Figure 4.6 Replacing the detector module of the FAS-420-TM
4.4

Connection to the Fire Panel

4.4.1

Electrical Connection

CAUTION!
Switch off the unit before carrying out any connection work!
Proceed as follows to prepare the electrical connections:
1.
2.
3.
4.
5.
NOTICE!
The units are usually connected to an additional power supply. When connecting to a Bosch
fire panel LSN improved version, the voltage is supplied via the AUX outputs of the battery
charger module. Alternatively, an external mains unit (e.g. FPP-5000 or UEV 1000) can be
used.
F.01U.088.878 | 4.1 | 2010.11
Using a screwdriver, carefully punch out the required cable entries from the housing
base.
Fit the cable entry point(s) as required with M20 or M25 cable entries by pushing them
into the corresponding cable bushings. 2 x M20 and 1 x M25 cable entries are supplied in
the pack.
Punch out the cable entries using a sharp object.
Caution: Do not cut the cable entries with a knife!
Feed the connection cable(s) (max. 2.5 mm²) through the prepared M20 or M25 cable
entries into the device and cut to the required length inside the device.
Wire the unit according to the connection information described below (see Table 4.1).
Operation Guide
FAS-420-TM Aspirating Smoke Detector
1 Screws
1
Bosch Sicherheitssysteme GmbH