Bosch D192G User manual
Notification Appliance Circuit Module
D192G
en Installation manual
Notification Appliance Circuit Module Notices | en 3
Bosch Security Systems, Inc. Installation manual 2020.05 | 04 | 4998122260
1 Notices
These instructions cover the installation of the D192G Notification Appliance Circuit Module in
a fire system supervised by a fire alarm control panel (FACP) or a combination Burglary/Fire
control panel.
Install, test and maintain the module according to these instructions, NFPA codes, local codes,
and the authority having jurisdiction (AHJ). Failure to follow these instructions can result in
failure of a detector to initiate an alarm event. Bosch Security Systems, Inc. is not responsible
for improperly installed, tested or maintained devices.
Before installing the module, become familiar with the Installation and Operation Guide for
the control panel you are using.
The module uses only polarized (DC) signaling devices. Not all signaling devices are polarized.
The signaling devices used with the module must:
– be polarized (DC) signaling devices.
– match the voltage rating of the alarm power supply.
– not exceed the current rating of the alarm power supply.
– not exceed 3A per module.
– total no more than 12 D192G modules per system.
!
Warning!
Follow these instructions to avoid personal injury and damage to equipment.
NFPA72 requires that you perform a complete system wide functional test following any
modifications, repair, upgrades or adjustments made to the system’s components, hardware,
wiring, programming and software/firmware.
4en | Description Notification Appliance Circuit Module
2020.05 | 04 | 4998122260 Installation manual Bosch Security Systems, Inc.
2 Description
This module is used for wiring connections to remote signaling devices. Wiring is supervised
for open, short, or grounded circuit faults.
You can connect up to 12 D192G modules to the same system on the control panels listed in
the table below. For the individual annunciation of an indicating bell circuit, connect the
modules to separate points.
The module powers notification appliances from the control panel power supply or from an
Underwriters Laboratories, Inc. (UL 864) Listed auxiliary 12VDC or 24VDC regulated/
power‑limited power supply for fire protective signaling units and commercial/residential
burglar units. This feature allows the system to support more signaling devices on longer wire
runs. It also allows the use of 12V or 24V notification appliances requiring the appropriate
power supply.
Control panels Compatible modules Compatible relays See section:
Active Products:
G-series (V3 and
higher)1 panels
D8128D D130, D133, D134
Wiring the module
with GSeries control
panels, page 9
B series panels2D133, D134
Wiring the module
with BSeries control
panels, page 13
Legacy Products*:
GV2 and G3 panels* See control panel documentation on Bosch website (http://
www.boschsecurity.com)
D9124*
1 G-series (V3 and higher) = GV4 (D9412GV4, D7412GV4, and D7212GV4**), and GV3
(D9412GV3, D7412GV3, and D7212G3**)
2 B series = B5512**, B4512** and B3512**
3 GV2 = D9412GV2, D7412GV2, and D7212GV2** and G = D9412G, D7412G, D7212G**
* Legacy products were investigated to comply only to UL864 8th edition
** indicates products which are not UL Listed for commercial fire applications.
Notification Appliance Circuit Module Description | en 5
Bosch Security Systems, Inc. Installation manual 2020.05 | 04 | 4998122260
Figure2.1: D192G_NAC_Module
1 Power from the control panel’s AUX
POWER
6 Negative (-) connection to UL 864
certified power supply
2 Connection to control panel’s
COMMON circuit ground (see Warning
below)
7 Positive (+) connection to the signaling
device loop
3 Connection to control panel zone
output
8 Negative (-) connection to the
signaling device loop
4 Connection to control panel’s
programmable alarm outputs
9 Toggle switch for silencing the
indicating devices
5 Positive(+) connection to UL 864
certified power supply
10 Mounting holes
!
Warning!
The D192G common (COM) terminals are digital ground, not earth ground. A ground fault
condition exists when the COM terminals are connected to earth ground.
6en | Operation Notification Appliance Circuit Module
2020.05 | 04 | 4998122260 Installation manual Bosch Security Systems, Inc.
3 Operation
During normal operation, the NAC loop is supervised for opens, shorts, and ground faults. If
any of these conditions is detected, the control panel indicates a trouble condition at the
command center. Program the control panel to report the condition to the central station.
(See
Programming, page 18
.)
When the control panel detects an alarm, the alarm output circuit triggers the module to
supply circuit power to the NAC devices.
When testing the alarm panel, the module uses a toggle switch to silence the fire alarm
indicating devices. When the toggle switch is in Silence Mode (off), the module indicates a
supervisory trouble condition to the control panel and the yellow SUPERVISION TROUBLE LED
lights.
The following table indicates possible causes for the various LED indicator patterns:
Indicator Possible cause
SUPERVISION TROUBLE LED (yellow) is on. – Output loop or 560Ω EOL resistor is
open or missing.
– Alarm switch is in SILENCE (OFF)
position.
SUPERVISION TROUBLE LED and ALARM LED
(red) are off.
– Normal operation with no alarm or
trouble.
– No power. Check for voltage across the
External Power In and Common
terminals. If the external voltage is not
connected, the control panel reports a
trouble condition locally and to the
central station (if connected).
– The wire to the Common terminal is
open or missing. If Common is not
connected, the control panel reports two
trouble conditions locally and to the
central station (if connected).
ALARM LED is on. There is an alarm. The LED follows the
operation of the output relay when the Alarm
switch is in the ON (NORMAL) position.
SUPERVISION TROUBLE and ALARM LEDs are
on.
If the Alarm switch is in the SILENCE (OFF)
position and the module is in alarm, both the
SUPERVISION TROUBLE and ALARM LEDs
light.
Tab.3.1: LED operation and troubleshooting
Notification Appliance Circuit Module Installation | en 7
Bosch Security Systems, Inc. Installation manual 2020.05 | 04 | 4998122260
4 Installation
To connect without an external power supply:
– Mount the module(s) inside the control panel enclosure. You can use any mounting
position.
– Use a UL Listed tamper switch on the enclosure in a commercial burglary application.
– If installing the module in a separate UL Listed enclosure, install the enclosure according
to the manufacturer’s instructions.
– For UL fire applications, mount the module within 20ft (6m) of the control panel
enclosure with the wiring in conduit between the two.
– For multiple modules, you can connect up to twelve modules to the same supervision
point. The point must use a 1kΩ end-of-line (EOL) resistor.
– Install the 560Ω, 2W EOL resistor beyond the last notification device on each NAC loop.
This resistor is included with the module.
– For a supervised point, install a 1kΩ EOL resistor across the COM and SUPV ZONE
terminals on the last D192G module.
8en | Wiring Notification Appliance Circuit Module
2020.05 | 04 | 4998122260 Installation manual Bosch Security Systems, Inc.
5 Wiring
Notice!
To ensure system supervision, do not use looped wire under the terminals. Break the run to
provide supervision of the connections.
Power supplied by the panel
The NAC loops are limited in that:
– Maximum draw for each signaling device circuit is limited by the control panel power
supply.
– No more than 12 D192G modules per system.
Power supplied by a remote power supply
The auxiliary power supply must be a UL864 Listed auxiliary 12VDC or 24VDC regulated,
power-limited power supply for fire protective signaling units and commercial or residential
burglary units. Install the auxiliary supply according to the manufacturer’s instructions.
Install the control panel and an external power supply in the same room no more than 20ft
(6m) apart. The interconnecting wiring between the control panel and power supply must be
in conduit.
The power source for both the power supply and control panel must be from the same
dedicated AC branch circuit.
The NAC loops are limited in that:
– Maximum alarm output equals the power supply rating.
– Maximum draw is 3A for each annunciating device.
– No more than 12 D192G modules per system.
Notification Appliance Circuit Module Wiring | en 9
Bosch Security Systems, Inc. Installation manual 2020.05 | 04 | 4998122260
5.1 Wiring the module with GSeries control panels
5.1.1 Wiring interconnected loops with 12VDC power supplied by the panel
This wiring scheme allows up to 12 D192G modules (NAC loops) triggered by a single
programmed alarm output.
Figure5.1: Wiring interconnected modules to a GSeries panel supplying 12VDC power
1 Last D192G module on the
interconnected NAC loop
6 1kΩ EOL resistor (P/N:F01U011298)
2 Polarized notification devices 7 Connection to either Relay A or Relay
B programmed output
3 560Ω, 2W EOL resistors (P/
N:F01U008725)
8 Connection between module SUPV
ZONE and panel zone
4 First D192G module on the
interconnected NAC loop
9 Connection between module COM and
panel’s COMMON (not to earth
ground)
5 GSeries control panel 10 Positive (+) connection from panel’s
AUX POWER and module’s AUX PWR IN
and EXT PWR IN terminals
10 en | Wiring Notification Appliance Circuit Module
2020.05 | 04 | 4998122260 Installation manual Bosch Security Systems, Inc.
5.1.2 Wiring separate loops with 12VDC power supplied by the panel
This wiring scheme allows two separate strings of modules (NAC loops) triggered by separate
programmed alarm outputs.
Figure5.2: Wiring separate module loops to a GSeries control panel supplying 12VDC power
1 Last D192G module on the
interconnected NAC loop
7 Connection to Relay A programmed
output
2 Polarized notification devices 8 Connection to Relay B programmed
output
3 560Ω, 2W EOL resistors (P/
N:F01U008725)
9 Connection between module COM and
panel’s COMMON (not to earth
ground)
4 First D192G module on the
interconnected NAC loop
10 Connection between one module’s
SUPV ZONE terminal and panel zone
5 GSeries control panel 11 Connection between the other
module’s SUPV ZONE terminal and
panel zone
6 Positive (+) connection from panel’s
AUX POWER and the AUX PWR IN and
EXT PWR IN terminals of the modules
12 1kΩ EOL resistor (P/N:F01U011298)
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