Earth Ground; Operation - Honeywell NOTIFIER NFS-320 Document

Earth Ground

To meet UL wiring requirements, install grounding straps on the backbox as shown below.

2 Operation

Following are the approved applications of the NFS-320:
• Local application
– Emergency relocation (paging, live and pre-recorded)
– Emergency communication (telephone)
• Protected premises unit
– Auxiliary
– Central station
– Proprietary
– Proprietary (Rec unit)
– Remote station
• Communication transmission path
– Coded
– Non-coded
– Reverse polarity
– DACT, no line security
– Other transmission technologies, no line security
• Marine application
• Releasing
– Cross zone
– NFPA 12, Carbon dioxide extinguishing systems
– NFPA 12A, Halon 1301 fire extinguishing systems
– NFPA 13, Sprinkler systems
– NFPA 15, Water spray fixed systems for fire protection
– NFPA 16, Foam-water sprinkler and foam-water spray systems
– NFPA 17, Dry chemical extinguishing systems
– NFPA 17A, Wet chemical extinguishing systems
– NFPA 2001, Clean agent fire extinguishing systems
– NFPA 2010, Standard for Fixed Aerosol Fire Extinguishing System
• Process Control, non-critical
• Fire Alarm Event (If other events exist and the panel is silenced, a fire alarm will resound the panel sounder)
NOTE: If multiple events exist in the system, the LCD, annunciators and optional CRT-2 will automatically display the last non-Acknowledged
fire or MN Alarm (depending on priority). If all events have been acknowledged, the panel will step through each event every 3 seconds in the
following order:
1. MNS/Fire Alarms (in order of address)
2. Supervisory (in order of address)
3. Troubles (in order of address)
– Initiating Device Activation
• Produces a steady audible tone
• Activates the System Alarm Relay (TB4)
NFS-320 and NFS-320SYS UL Listing Document — P/N 52745LD:G9 5/19/2022
Figure 23 Installing Grounding Straps
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