Honeywell NOTIFIER NFW-50X

NFW-50X Manual — P/N LS10129-001NF-E:C 7/25/2018 137
MBT-1 Municipal Box Trip - Silenceable NFPA Standard-Specific Requirements
C.1 MBT-1 Municipal Box Trip - Silenceable
The following figure illustrates the connection of the MBT-1 (Municipal Box Trip) between the FACP and a Local Energy Municipal
Box. The use of an addressable control module programmed for General Alarm and Silenceable allows silencing of the Municipal Box
without resetting the panel or box.
FIRE
T11
T10
T9
T8
T7
T6
T1
T2
T3
T4
T5
RTN- OUT-
RTN+OUT+
CNO NC
CNO NC
CNCNO
SUPV
TRBL
ALRM
SLC
RMT SYNC
ANN-BUS PRI
ANN-BUS SEC
NAC2
NAC1
24V
FACP Main Circuit Board
NC-100/FCM-1
Control Module*
24 VDC, Nonresettable
+ -
SLC Loop
B
+ -B
red
black
MBT-1
brown wire
white wire
EOLR-1 Power
Supervision Relay
Alarm polarity shown!
- +
- To next device
+ on SLC Loop
The addressable Control Module must be programmed
as Silenceable and General Alarm.
Gamewell Model M34-56
Local Energy Municipal Box
Note: 10Ω
maximum loop
resistance due to wiring from
power supply to Municipal Box.
Connect wires to two
red terminals on box.
(All contacts shown in energized position).
Figure C.4 MBT-1 Silenceable
e
s
5
0
_
M
B
T
1
.
w
m
f
*If the SLC device does not match the one in this figure, refer to the FireWarden SLC manual wiring conver-
sion charts for legacy and newer versions of the modules.