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Honeywell Fire Detection And Alarm System Notifier NFS 320

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The NFS-320 is an intelligent addressable fire alarm control panel with a single SLC supporting 318 devices, FlashScan protocol, ONYX intelligent sensing, and a 6.0A power supply. It offers networkability, wireless support, seismic/marine certifications, and advanced programming for small to medium-sized applications.

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The NFS-320 Intelligent Addressable Fire Alarm Control Panel is a versatile solution within NOTIFIER’s ONYX Series, suitable for small to medium-sized applications, from small buildings to large campuses or high-rise office blocks. Its modular design allows for easy configuration with a single Signaling Line Circuit (SLC) supporting up to 318 devices (159 detectors and 159 modules). The panel features FlashScan® protocol for rapid polling and activation, ONYX intelligent sensing for advanced smoke detection, and a 6.0A power supply with four Class A/B Notification Appliance Circuits (NAC). It supports a variety of detectors (ion, photo, thermal, multi-sensor) and wireless devices via the optional FWSG SWIFT Gateway. Networkable with up to 200 nodes in high-speed configurations, it offers robust communication options, including Internet, GSM, and standard UDACT. With a full QWERTY keypad, 80-character display, and VeriFire® Tools for programming, it provides autoprogramming, Walk Test reports, and extensive event history (800 events). Certified for seismic and marine applications, it includes releasing features for up to ten hazards, voice integration with FirstCommand, and powerful Boolean logic for customized operations. The NFS-320 ensures reliability with built-in transient protection, battery support up to 200 AH, and compliance with NFPA-72 standards.

Technical Specifications for NFS-320

Category Specification
System Capacity
Intelligent Signaling Line Circuits (SLC) 1
Intelligent Detectors 159
Addressable Monitor/Control Modules 159
Programmable Internal Hardware & Output Circuits 4
Programmable Software Zones 99
Special Programming Zones 14
LCD Annunciators per System Up to 32
ACS Annunciators per System Up to 32 (2048 annunciator/control points)
Operational
SLC Style 4, 6, or 7
Device Support per SLC Up to 159 detectors and 159 modules (318 total)
Detector Types Ion, photo, thermal, multi-sensor, wireless (via FWSG)
Module Types Pull stations, contact devices, two-wire smoke detectors, notification, relay, wireless (via FWSG)
Wireless Support Optional FWSG SWIFT Gateway (up to 50 devices per gateway, max 4 gateways)
Display 80-character LCD with QWERTY keypad
Event History 800-event capacity (nonvolatile), plus 200-event alarm-only file
Programming Autoprogramming, Walk Test, VeriFire® Tools (online/offline), front-panel keypad
Sensitivity Adjustment Manual (9 levels), Day/Night auto-adjust, Pre-alarm (9 levels)
Sensitivity Windows Ion: 0.5-2.5%/ft; Photo: 0.5-2.35%/ft; Laser (VIEW): 0.02-2.0%/ft; Acclimate Plus: 0.5-4.0%/ft; IntelliQuad/PLUS: 1.0-4.0%/ft
NAC Coding March time, Temporal, California two-stage, Canadian two-stage, strobe synchronization
Alarm Verification Per point with automatic counter
Presignal/Positive Alarm Sequence (PAS) Supported
Silence Inhibit/Auto Silence Timer Configurable
Time Control Functions Automatic, with holiday exceptions
FlashScan® Features
Polling Speed Up to 318 devices in <2 seconds
Output Activation Up to 159 outputs in <5 seconds
Protocol Fully digital, high-precision (U.S. Patent 5,539,389)
Diagnostics Multicolor LEDs for device address during Walk Test
ONYX Intelligent Sensing
Features Drift compensation, smoothing, maintenance alerts (3 levels), self-optimizing pre-alarm, multi-detector sensing
Maintenance Alerts Low Chamber, Maintenance Alert, Maintenance Urgent
Intelligent Detectors
FSL-751 VIEW Laser-based early warning smoke detection
FAPT-851 Acclimate Plus Photo/thermal multi-sensor with auto-adjusting sensitivity, low-temp warning (40°F ± 5°F)
FSC-851 IntelliQuad Detects smoke, heat, CO, flame; high nuisance immunity
FCO-851 IntelliQuad PLUS Adds life-safety CO detection, optional sounder base
FAAST Detectors (FSA-5000/8000/20000) Aspirating smoke detectors for 5,000/8,000/28,800 sq.ft coverage
Releasing Features
Hazards Supported Up to 10 independent hazards
Cross-Zone Options Three programmable options
Timers Adjustable delay and discharge timers
Abort Options Four configurable abort types
CO2 Support Low-pressure CO2 listed
Voice Features
Integration Compatible with FirstCommand Series (see DN-60772)
Telephone Requires NFC-FFT for telephone applications
Network Options
High-Speed Network Up to 200 nodes (NFS2-3030, NFS-320, DVC-EM, ONYXWorks, etc.)
Standard Network Up to 103 nodes (NFS2-3030, NFS-640, NCA-2, DVC-EM, etc.), 54 nodes with DVC-EM paging
Communication
Central Station Options Standard UDACT, Internet, Internet/GSM (IPDACT-2/2UD, IPGSM-4G)
Printer Interface 80-column and 40-column printers (EIA-232)
Annunciators Up to 32 remote 80-character displays, EIA-485 with custom graphics
Electrical
Power Supply 6.0A (3.0A offline switching, 6.0A in alarm)
Input Voltage 120 VAC (NFS-320/NFS-320C), 240 VAC (NFS-320E)
Battery Charger Supports 18-200 AH batteries
Power Consumption Not specified (dependent on configuration)
Relays Built-in Alarm, Trouble, Security, Supervisory
Mechanical
Dimensions (W x D x H) Not specified (varies by enclosure, e.g., CAB-4 series)
Product Weight Not specified
Housing CAB-4 series or CAB-BM (marine applications)
Battery Box NFS-LBB (for batteries >26 AH), NFS-LBBR (red)
Environmental
Operating Temperature Not specified (assumed 0°C to 49°C per UL standards)
Relative Humidity Not specified (assumed up to 93% non-condensing per UL standards)
Ingress Protection Not specified (enclosure-dependent, e.g., IP66 for marine CAB-BM)
Regulatory
Certifications UL Listed, ULC Listed, FM Approved, CSFM, FDNY, Marine Approved (see DN-60688), Seismic Certified (with SEISKIT-320/B26, SEISKIT-BB25, or SEISKIT-LBB)
Standards NFPA-72 compliant, UL 864, UL 2572 (Mass Notification)
Other
Transient Protection Extensive, built-in
Boolean Logic Supported for custom programming
Country of Origin Not specified

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