FW562 - UL Listed HVAC Fire Detection System
UL Listed • Intelligent Detection • HVAC Safety Compliance
FW562
The FW562 Duct Smoke Detector is a UL listed smoke detection device designed specifically for HVAC duct systems. It provides early warning of smoke spreading through ventilation systems, helping to prevent smoke circulation throughout buildings during fire events. Ideal for commercial, institutional, and industrial applications.
| Model Number | FW562 |
| Product Name | Duct Smoke Detector |
| Detection Type | Photoelectric Smoke Detection |
| Airflow Range | 100 to 4,000 FPM (0.5 to 20.3 m/s) |
| System Compatibility | Conventional & Addressable Systems |
| Certification | UL Listed, CSFM, FM Approved |
| Manufacturer | Maple Armor / Tongfang |
| Wiring Configuration | 2-Wire or 4-Wire Options |
| Operating Voltage | 12-30VDC |
| Standby Current | 50μA @ 24VDC |
| Alarm Current | 60mA @ 24VDC |
| Alarm Indication | Red LED, Remote LED Output |
| Test Method | Magnet Test, Remote Test Input |
| Operating Temperature Range | 32°F to 120°F (0°C to 49°C) |
| Storage Temperature | -4°F to 140°F (-20°C to 60°C) |
| Relative Humidity | 10% to 95% RH (Non-condensing) |
| Duct Size Compatibility | 6" to 72" (152mm to 1829mm) |
| Sampling Tubes | Included (Adjustable length) |
| Dimensions (Controller) | 8.5" x 6.5" x 2.5" (216 x 165 x 64mm) |
| Weight | 2.2 lbs (1.0 kg) |
| Color | White (Standard) |
| Mounting | Duct-mounted with Sampling Tubes |
| IP Rating | IP54 (Dust and splash resistant) |
| Warranty | 3-Year Limited Warranty |
Basic duct smoke detection
With sensitivity monitoring
With airflow monitoring
The FW562 Duct Smoke Detector is a UL listed smoke detection device specifically engineered for HVAC duct systems. It provides early detection of smoke spreading through ventilation ducts, helping to prevent smoke circulation throughout buildings during fire events. Utilizing advanced photoelectric technology, it samples air from the duct and provides reliable detection even in challenging airflow conditions.
Meets rigorous UL standards for duct smoke detector performance and reliability.
Automatic compensation for varying duct air velocities (100-4,000 FPM).
Specifically designed for duct mounting and HVAC system integration.
Continuously samples air from HVAC ducts using precision sampling tubes.
Advanced photoelectric chamber for reliable smoke particle detection.
Monitors and compensates for duct air velocity variations.
UL Listed: Standard for Duct Smoke Detectors
NFPA 90A: Standard for Air-Conditioning Systems
CSFM: California State Fire Marshal
FM Approved: Factory Mutual
IBC: International Building Code
Local Codes: Complies with most local mechanical codes
12-30VDC, 50μA standby, 60mA alarm. Use fire-rated cable.
2-wire (power/alarm) or 4-wire (power, alarm, relay, remote).
Screw terminals accept 12-22 AWG wire. Clearly marked terminals.
Critical for smoke control in hospital HVAC systems.
Required in large air handling systems per NFPA 90A.
Essential for smoke detection in school ventilation systems.
Code Compliance: Meets NFPA 90A requirements
Early Detection: Detects smoke in ducts before room detectors
HVAC Integration: Interfaces with building automation
Damage Prevention: Prevents smoke damage to HVAC equipment
Easy Maintenance: Simple testing and cleaning
Life Safety: Protects occupants from smoke inhalation
Monthly
Check for damage or obstructions
Semi-Annual
Test using magnet or remote test
Annual
Clean sampling tubes and chamber