UDACT Instruction Manual — P/N 50050:M 12/18/2009 109
Appendix I: NFS2-3030 (UL 9th) and NFS-3030 (UL 8th)
I.1 General
The UDACT is capable of reporting up to 2,040 points when used with the NFS2-3030/NFS-3030.
The first 568 points can be programmed using the Type Mode feature (refer to "Type Mode" on
page 52). All points greater than 568 can be transmitted only as fire alarm points. For the UDACT
to report a supervisory point to the central station, both the FACP and the UDACT must have the
point programmed as supervisory. Failure to program the panel or UDACT correctly will result in a
fire alarm signal being transmitted to the central station.
I.2 Mounting
The UDACT may be mounted in the NFS2-3030/NFS-3030 control panel enclosure or be mounted
remotely using an ABS-8RB or UBS-1 enclosure placed in conduit and within 6000 feet
(1828.8 meters) of the control panel.
For mounting instructions see "Remote Installation" on page 22 or "Internal Installation" on page
18.
I.2.1 Wiring
I.2.2 Connections
Refer to Figure I.1, Figure I.2, and Figure I.3.
Connect the communication line between the EIA-485 terminal block on the CPU2-3030/CPU-
3030 and TB1 terminals 3 and 4 on the UDACT, being certain to observe polarity.
If no other devices are connected to the EIA-485, install a 120 ohm EOL resistor across UDACT
TB1 terminals 3 and 4.
Connect the
Ground Wire (PN 71073, provided) from the UDACT EARTH terminal on TB3 to the
CHS-4 Chassis or to a solid building earth ground.
Connect 24 VDC filtered, regulated power from the CPU2-3030/CPU-3030 or AMPS-24/E (Main
Power Supply) to TB1 terminals 1 and 2 on the UDACT.
I.2.3 Notes
1. Recommended wire is 12 AWG (3.25mm
2
) to 18 AWG (0.75mm
2
), twisted pair, shielded
cable. Connect only one end of shield: a) shield may be connected to cabinet (earth ground) at
fire alarm panel, or b) shield may be connected to TB1 Terminal 5 (Shield) at UDACT as
shown in Figure I.1.
NOTE: The UDACT does not support voice and burglary options when used with the
NFS-3030/NFS2-3030. Refer to the NFS-3030 Installation Manual and the NFS2-3030
Installation Manual for additional restrictions and more information.
!
CAUTION: Remove all power from the control panel by disconnecting AC and batteries before
making any connections to prevent personal and/or circuit damage.
NOTE: The shield end that is not connected should be insulated to prevent accidental grounding.
Do not connect both ends of shield under any circumstance since a ground fault may result.
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