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MS-5UD & MS-10UD Series Manual —
P/N 52626:C2 1/24/2012
151
Central Station/Remote Station Transmitter: Connection to FACP Dry Contacts
NFPA Standard-Specific Requirements
B.1 Central Station/Remote Station Transmitter: Connection
to FACP Dry Contacts
The dry contacts of the FACP programmable relays can be used to trip a UL-864 Listed Central
Station/Remote Station Transmitter. The FACP contacts must be supervised by the Central Sta-
tion/Remote Station Transmitter module using End-of-Line Resistors (ELRs) with a value deter-
mined by the Transmitter manufacturer. Power is also provided by the Central Station/Remote
Station Transmitter manufacturer. Refer to the Central Station/Remote Station Transmitter manu-
facturer’s manual for details.
Figure B.5 FACP Dry Contacts Connection to Central Station/Remote Station Transmitter
Typical Central Station/Remote Station Transmitter Module
Typical Input Zone Triggers
Fire Alarm Control Panel
Alarm
Super
v.
Tr
ouble*
*Note:
The Trouble Relay is a
fail-safe relay. With power
applied to the FACP and no
troubles in the panel, the wiring
should be connected to the NO
and C contacts as indicated in the
illustration.