16
en | Wiring
Notification Appliance Circuit Module
2020.05 | 04 | 4998122260
Installation manual
Bosch Security Systems, Inc.
5.2.4
Wiring separate loops with 12 VDC or 24 VDC power supplied by an
external power supply
This wiring scheme allows two separate strings of modules (NAC loops) triggered by separate
programmed alarm outputs.
Figure 5.8:
Wiring separate module loops to a B Series panel with power supplied by an external power supply
1 Last D192G module on the
interconnected NAC loop
11 Positive (+) connection from one
relay’s COM terminal to the aux and
ext power terminals of one module
and the positive (+) terminal of the
power supply
2 Polarized notification devices
12 Connection to panel’s Aux power
(+12 V)
3 560 Ω, 2 W EOL resistors (P/
N: F01U008725)
13 Connection between the other
module’s SUPV ZONE and panel zone
4 First D192G module on the
interconnected NAC loop
14 Connection to the other module’s
ALRM TRG terminal
5 B Series control panel
15 D134 Dual Relay Module
6 Connection to C programmed output
16 Positive (+) connection from the other
relay’s COM terminal to the aux and
ext power terminals of the other
module and the positive (+) terminal of
the power supply
7 Connection to B programmed output
17 Conduit required for wiring between
external power supply and control
panel enclosure
8 Connection to one module’s ALRM
TRG terminal
18 UL Listed 12 VDC or 24 VDC regulated,
power‑limited auxiliary power supply
Содержание D192G
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