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5 connection, 5connection – Bosch FAD-420-HS-EN Duct Smoke Detector User Manual

Page 65

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Duct Smoke Detector

Connection | en

65

Bosch Sicherheitssysteme GmbH

Installation guide

F.01U.033.733 | 5.0 | 2011.11

5

Connection

Pos.

Description

1 + 2

Connections for looping

through the auxiliary power

supply

3

Shielded wire

(incoming/outgoing)

4

LSN incoming

5

LSN outgoing

6

External alarm indication

Can only be used if there is

no FAD-RB-DIBT Relay Board

fitted!

7

Relay contacts

Can only be used when FAD-

RB-DIBT Relay Board is

fitted!

Maximum contact load: 2 A

at 30 V DC