Instruction Manual

Table Of Contents
NFPA 72-1999 Proprietary Fire Alarm Systems Applications
NFS-640 Installation Manual P/N 51332:B2 07/27/2004 57
4.3 NFPA 72-1999 Proprietary Fire Alarm Systems
When connected and configured as a protected premises unit with UDACT, the NFS-640 will
automatically transmit General Alarm, General Trouble, and General Supervisory signals to a listed
compatible Protected Premises Receiving Unit. See the UDACT Manual for compatible receiving
units. A simplified drawing of connections between a receiving unit and an NFS-640 protected
premises unit is shown in Figure 36.
Connect the receiving unit to the protected premises unit as shown in Section 4.2 “NFPA 72-1999
Central or Remote Station Fire Alarm System (Protected Premises Unit)”.
For information on installing and programming the Receiving unit, refer to the documentation for
that control panel.
Figure 36 Typical Proprietary Fire Alarm Systems Wiring Connections
NFS-640
Protected Premises Unit
Compatible Receiving Unit
(see UDACT Manual)
Telephone line & backup
UDACT
NFS-640
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