Bosch FAD-420-HS-EN Duct Smoke Detector - Manual (Page 63)

Duct Smoke Detector Installation | en 63
Bosch Sicherheitssysteme GmbH Installation guide F.01U.033.733 | 5.0 | 2011.11
4.3 Installing the FAD-RB-DIBT
1. Position the relay board exactly over the contact pins of
the connection board.
The spacer bolts on the relay board must be positioned
exactly over the holes in the connection board (see
Figure 4.14).
2. Press down the relay board evenly at the four corners until
the spacer bolts click into the holes on the connection
board.
Figure 4.13 Sample tube and ventilation
tube air filters
No. Description
r Sample tube
t Ventilation tube
v Air filter
NOTICE!
The optional FAD-RB-DIBT Relay Board can be used to activate
additional devices (e.g. ventilators, door control systems,
external display devices).
Figure 4.14 Installing the relay board
No. Description
w FAD-RB-DIBT Relay Board
x FAD-420-HS-EN Connection
Board