2-Wire Smoke Wiring (D125B); Notification Appliance Circuit Wiring - Bosch B5512 Reference Manual

Control Panel
17.4

2-wire smoke wiring (D125B)

PTC2
R2
R21
R9
R10
R8
TB1/J1
D125B
1 2 3 4
SWITCH ZONE ZONE PANEL
POWER B A COMMON
1
Figure 17.4: D125B to control panel wiring (B5512 shown)
Callout ᅳ Description
1 ᅳ Switched auxiliary power from the control panel's
Output A (NC)
1
2 ᅳConnection from an on-board point on the control
panel to Zone B
3 ᅳ Connection from an on-board point on the control
panel to Zone A
4/5 ᅳ Connection to the control panel's common (one
connection only)
6 ᅳ Supervised smoke detector to B LOOP negative
You can also use Output B or C in conjunction with a D133 or D134 relay module.
1
17.5

Notification appliance circuit wiring

The control panel does not have an onboard NAC. Use a D192G Notification Appliance Circuit
Module for systems requiring a NAC.
Programming determines the output format and the conditions that activate the output. One
self-resetting circuit breaker protects against shorts. When using the output to activate
notification appliance circuits in UL Listed fire alarm applications, install a D192G Notification
Appliance Circuit module.
Refer to the D192G Notification Appliance Circuit Module Installation Guide (P/N: 4998122260)
for detailed wiring information and specifications.
Bosch Security Systems, Inc.
PTC1
R14
U1
RV1
RV4
RV3
RV2
5 6 7 8 9 10
B- A- B+ A+ EARTH
LOOP LOOP LOOP LOOP GND
7, 9
6, 8
Installation and System Reference Guide
R1
R11
R12
R22
10 10
11
Callout ᅳ Description
7 ᅳ Supervised smoke detector to A LOOP negative
8 ᅳ Supervised smoke detector to B LOOP positive
9 ᅳ Supervised smoke detector to A LOOP positive
10 ᅳ Earth ground
11 ᅳ Output A jumper (under cover) set to AUX PWR
System wiring diagrams | en
or
5
4, 5
2
3
2015.07 | 12 | F.01U.287.180
83
UX PWR