Municipal Box Trip - Silenceable - Fire-Lite MS-9050UDC User Manual

NFPA Standard-Specific Requirements
C.2 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.
The addressable Control Module must be programmed
as Silenceable and General Alarm.
Alarm polarity shown!
-
+
CMF-300
Control Module
+ -
24 VDC, Nonresettable
194
- To next device
+ on SLC Loop
Braided-shield/Drain Wire
MS-9050UD
Figure C.5 MBT-1 Silenceable
Connect wires to two
red terminals on box.
Note: 10Ω maximum loop
resistance due to wiring from
power supply to Municipal Box.
(All contacts shown in energized position).
EOLR-1 Power
Supervision Relay
SLC Loop B+
MS-9050UD Series PN 52413:D 12/15/08
Gamewell Model M34-56
Local Energy Municipal Box
white wire
MBT-1
brown wire
black
red
-B
Shield