Honeywell NOTIFIER UDACT-2 Instruction Manual page 14

Installation and Wiring
NFS2-640 Chassis Mounting

The UDACT-2 is installed on the NFS2-640 chassis within the NFS2-640 backbox as described and shown below:
Step Action
1 Disconnect AC power and disconnect batteries.
2 Position the UDACT-2 on the standoffs and fasten with #4-40 screws.
NOTE: The UDACT-2 can be mounted in the fourth column of the NFS2-640 Chassis. Be sure to mount the chassis to the
backbox before mounting the UDACT-2.
CHS-M2 Chassis Mounting

The UDACT-2 is installed on a CHS-M2 Chassis within the NFS-640 control panel backbox as described and shown below:
Step Action
1 Disconnect AC power and disconnect batteries.
2 Insert the tab at the bottom of the board into the chassis slot as indicated.
3 Position the UDACT-2 on the standoffs and fasten with #4 screws.
CHS-4

The UDACT-2 may be mounted in the CHS-4 chassis within the control panel backbox as described and shown below.
Step Action
1 Disconnect AC power and disconnect batteries.
2 Insert the tab at the bottom of the board into the chassis slot as indicated.
3 Position the UDACT-2 on the standoffs and fasten with #4 screws.
14
NFS2-640
Chassis
#4-40 screws
Figure 2.2 NFS2-640 Chassis Installation
Fastening holes
Tab
Figure 2.3 CHS-M2 Installation
Note: Mount chassis to backbox before
installing the UDACT-2.
standoff locations
UDACT-2
Metal standoffs
Chassis slot
UDACT-2 — Instruction Manual P/N 54089:B3 10/29/2019
Installation Options