Bosch FAS-420-TT Series - Connection to the Fire Panel; Electrical Connection

Aspiration smoke detector LSN improved Installing the Aspiration smoke detector | en 81
Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 6.1 | F.01U.029.275
1
FAS-420 series
Connecting the aspiration pipe to the FAS-420 Aspirating
Smoke Detector
1 Smoke aspiration pipe
Notice!
Do not use glue to connect the aspiration pipe and pipe connection.
In the event of sharp temperature fluctuations, the pipe must be fixed immediately in front of
the unit so that the pipe does not pull out of the pipe connection when the length changes
(see Length Change of the Pipe System).
5.5 Connection to the Fire panel
5.5.1 Electrical connection
!
Caution!
Switch off the unit before carrying out any connection work!
Proceed as follows to prepare the electrical connections:
1. Using a screwdriver, carefully punch out the required cable entry points of the housing
(max. 5 x M20 and 2 x M25).
2. Fit the cable entry point(s) as required with M20 or M25 connections by pushing them
into the cable entries. 2xM25 and 1xM20 are supplied in the pack.
3. Punch out the cable entries using a sharp object.
Caution: Do not cut the cable entries with a knife!
4. Route the connection cable(s) (max. 2.5mm2) through the prepared M20 or M25
connections and into the unit. Now cut these to the required length inside the unit.
5. Wire the unit according to the connection information for terminal block X8, X7 and X6.
The connection terminals of the 24V additional supply voltage and the LSN connection
are plug connections and are easy to remove.
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
controller module. Alternatively, an external mains unit (e.g. FPP-5000 or UEV1000) can be
used.