14
en | Installation
Automatic Detectors LSN improved
2019.11 | 4.0 | F.01U.025.877
Operation Guide
Bosch Sicherheitssysteme GmbH
Connection
Terminal
Wire
Voltage - *
0V
black (bk)
V *
+V
red (rd)
LSN a in/out
a1/a2
white (wh)
LSN b in
b1
yellow (ye)
LSN b out
b2
yellow (ye)
Remote indicator output
c
Shielding
[green (gn)]
Relay outputs** (only
FAA‑500‑R)
NO
NC
COM
* Terminals for looping through the power supply for other LSN elements
**For switching capacity refer to
The base is fastened into the ceiling mount back box with four screws. It can be rotated in the
long slots through an angle of 20° so that fine alignment is possible.
1
2
3
4
5
Figure
3.7: Placing the base in the ceiling mount back box
Position Description
Position Description
1
Alignment of the marking on the
ceiling mount back box
4
Spring
2
Single guide-groove
5
Triple guide-groove
3
Long slot for fastening the base
1.
Place the base in the ceiling mount back box so that the marking on the backbox
(1)
coincides with the single guide-groove on the base
(2)
.
2.
Turn the base until the fastening screws are approximately in the middle of the long slots
(3)
.
3.
Adjust the bases around this position until they appear in a line.
4.
Tighten the four screws.