4: Night Ring; Output Circuits; 1: Relays; Mns Active Relay - Tb1 - Honeywell NOTIFIER NFC-50/100 Instruction Manual

Installation
The NAC Follower input is power-limited (Class 2) (refer to Section 2.12, "UL Power-limited Wiring Requirements", on page 42) and
supervised by the host FACP. Supervision requires that a 4.7 KΩ EOL resistor be connected to the last device in the NAC Follower
chain.
alarm polarity shown
2.5.4 Night Ring
The external audio input allows a building's Private Branch Exchange (PBX) to activate the NFC-50/100. Connections need to be made
to TB16 on the main control board and to TB5.1 and TB5.2 on the display board. Refer to Section 1.2.2 for electrical specifications to
the external audio input.

2.6 Output Circuits

2.6.1 Relays

MNS Active Relay - TB1

The main control board provides a Form-C MNS Active relay. The MNS Active Relay will transfer state when any Mass Notification
(MNS) event occurs. The system must be enabled for Mass Notification in programming for use of this relay.
30
to next device
4.7K ELR needed for
last device in chain.
Figure 2.10 NAC Follower Wiring
external audio input
TB5 on display
board
1 2 3 4
TB18
NFC-50/100 Main Control Board
PBX
audio out
GND
In
TB16 on main
control board
Figure 2.11 Night Ring Wiring
TB1
Figure 2.12 MNS Active Relay
Notifier FirstCommand Series Manual — P/N LS10001-001NF-E:H 1/8/2018
from FACP NAC (or NAC Follower
output) or previous device
contact
closure output
+ -
Shown in normal,
Inactive condition
Output Circuits