44
NFS2-3030/E Installation Manual — P/N 52544:N1 07/18/2014
Applications
NFPA 72 Central or Remote Station Fire Alarm System (Protected Premises Unit)
4.3 NFPA 72 Central or Remote Station Fire Alarm System
(Protected Premises Unit)
The figure below shows typical wiring diagram for a NFPA 72 Central Station Fire Alarm System
(Protected Premises Unit) or a Remote Station Fire Alarm System (Protected Premises Unit) using
the Universal Digital Alarm Communicator/Transmitter (UDACT-2) and NFS2-3030. Connect and
program the UDACT-2 according to the directions given in The UDACT-2 Listing Document.
Typical wiring of a UDACT-2 with NFS2-3030:
NOTE:
An NFPA 72 Central Station requires 24 hours of standby power; an NFPA 72 Remote
Station requires 60 hours of standby power.
NOTE:
This application can also be done with the TM-4 Transmitter; refer to the TM-4
Transmitter Module manual for more details.
NOTE:
The following models do not comply with requirements for AC loss delay reporting when
used with Central Station Protected Premises systems: AA-30, AA-120, AA-100, APS-6R,
CHG-120.
NOTE:
For additional setup information for UDACT, refer to the
UDACT Installation Manual
.
UDACT-2 in ABS-8RB
Solid earth
ground
To
supervised
phone lines
FACP Cabinet
EIA-485 (ACS Mode)
TB7 on control panel
Supervised and
power-limited
EIA-485 and power
wiring
3
030-
U
D
A
C
T
2
.w
mf
+24 VDC
non-resettable
power from main
or auxiliary power
supply
Ferrite cores
P/N 29090
Figure 4.2 Typical Wiring Diagram for a Central Station Fire Alarm System
+24V
Common
EIA-485+
EIA-485 -
Reference
Earth Ground
NOTE: Set DIP switch position 4 to ON if the
UDACT-2 is the last or only device on EIA-485 line.
