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SLC Loop to Fire Alarm
Control Panel
Earth Grnd
Comm Fail
+24 VDC
UDACT
Note: 1) M-300 Series Monitor Module is used to supervise Normally Closed output of MR-101/C. On
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All wiring to relay must be in the
same room within 20 feet of
UDACT-F and in conduit.
TB3
(MR-201/C may also be used)
UDACT trouble and Comm Fail, MR-101/C relay contact will open causing M-300 to transmit
trouble condition to FACP.
Figure 2-10: Monitoring for UDACT Trouble
Document # 50049 Rev D 5/2/97 P/N 50049:D
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M-300 Series Monitor Module
MR-101/C
Wiring in
same room
as UDACT
EOL
3.9K
Resistor
(supplied)
23
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