46
UDACT-2 — Instruction Manual
P/N 54089:B3 10/29/2019
Panel-Specific Information
NFS2-3030 (UL 864 10th), NFS-3030 (UL 8th)
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 Common on TB2 on the
UDACT-2.
2.
Conduit is required for external wire runs. Consult local building codes.
3.
Refer to "Specifications" on page 8 for power requirements.
Below is a remote installation of a UDACT-2 with an NFS-3030 using power supplied by the control panel:
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.
udact
2
-3
03
0_a.
wm
f
CAB-3/4 Series Cabinet
To supervised
phone lines
Solid earth ground
EIA-485
(ACS Mode)
TB7 on
control panel
+24 VDC
non-resettable
power
TB6 on control
panel
Wires in
conduit
Remote Cabinet
Figure A.14 UDACT-2 and NFS-3030