Bosch FAP-DO420 - Connecting MS 400;MS 400 B Bases

Connecting the MS 400/MS 400 B
MPA/
FAA-420-RI
max. 3 m
C
a1/a2
(LSN -/L..a)
LSN +/L..b
rd
+
bk
–
max. 30 V DC
wh
bk
bk
rd
gn
ye
ye
b1
}
b2
Key
ye Yellow, connection to b1/b2 (LSN +)
5.3.1
Automatic Fire Detectors LSN
improved
Connection | en 19
Bosch Sicherheitssysteme GmbH Operation Guide 12/2012 | 8.1 | F.01U.003.448