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Bosch FAS-420-TM-RVB User Manual

Page 27

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FAS-420-TM | FAS-420-TM-R | FAS-420-TM-RVB

en

27

Bosch Sicherheitssysteme GmbH

F.01U.088.879 | 3.0 | 2009.07

System Overview

Setting the Detector Address

Installing the Unit

Figure 1, Page 3

FAS-420-TM Series Connections

1

Connection for aspiration pipe

2

Connection for air-return pipe

3

Pre-punched M 25 cable entries for connection to fire panel or power supply (input/
output)

4

Pre-punched M 20 cable entries for connection to fire panel or power supply (input/
output)

Figure 2, Page 3

FAS-420-TM Series Displays

1

Operating LED

2

Main alarm LED

3

Pre-alarm LED

4

Fault LED

5

Infrared port

6

Fire source identification displays for areas A-E

7

10-segment smoke level display

Figure 3, Page 3

The aspirating smoke detector's address is set using the 8-pin DIP switches on the printed
circuit board and a suitable sharp object. The default address is "0" (all DIP switches set to
"off"). The DIP switch settings for all approved addresses are listed on pages 5-6 (0 = off,
1 = on).

Address

(A)

Operating mode

Network structure

Loop

Stub

T-tap

0

Automatic address assignment in "improved
version" LSN mode

X

X

-

1 to 254 Manual address assignment in "improved

version" LSN mode

X

X

X

255 = CL Automatic address assignment in "classic"

LSN mode (address range: max. 127)

X

X

-

x = possible
- = not possible

i

NOTICE!

It is not permitted to use different operating modes in one loop/stub/T-tap next to each other.

!

WARNING!

The equipment may only be installed by authorized and qualified personnel!
Switch off the unit before carrying out any connection work!

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