Nca-2 / Nfs2-640 Standalone; Retrofits; Form-C Relays On The Nca-2 - Honeywell NOTIFIER NCA-2 Instruction Manual

Installation

3.7 NCA-2 / NFS2-640 Standalone

The NCA-2 may be mounted over a displayless NFS2-640 using the hardware from attachment kit p/n NCA/640-2-KIT. Refer to
Figure 3.9.
Attach annunciator to panel
with standoffs and screws from
the attachment kit.
• Seven 6-32 x 1/4 SEMS screws, p/n 38061.
• Bottom bracket, p/n 18756.
• Top bracket, p/n 18755.
STEP 4
Fasten the top bracket to
the panel chassis with the
last two screws.
STEP 2
Attach top bracket to the
NCA-2 by aligning its
standoffs over the holes at
the top of the NCA-2 and
fastening with three of the
screws.

3.8 Retrofits

The NCA-2 RETRO kit provides hardware to change the footprint of an NCA-2 to fit on older dress panels. Refer to the NCA-2RETRO
Production Installation Document.

3.9 Form-C Relays on the NCA-2

The panel provides a set of Form-C relays. These are rated for 2 A at 30 VDC (resistive):
• Alarm - TB4
• Trouble - TB3
• Supervisory - TB2
• Security - TB1
The Supervisory and Security contacts can also be configured as Alarm contacts by setting switches SW1 and SW2 away from the fac-
tory default positions shown in Figure 3.10.
26
Panel
chassis
J1 NUP port
STEP 1
Attach the bottom bracket to the panel
chassis using two of the screws.
Network Annunciator
Figure 3.9 NCA-2 on a Displayless Panel
NCA-2 / NFS2-640 Standalone
STEP 5
Connect the NCA-2 to the control
panel via the NUP port. Attach the
NUP cable from J1 on the
annunciator to J1 on the panel.
STEP 3
Carefully slide
the network
annunciator into
the slots in the
bottom bracket.
NCA-2 Manual — P/N 52482:M5 03/20/2019