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Fireye 85UVF1-1QD
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Fireye 85UVF1-1CEX
Fireye 85UVF1-1CEX
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HONEYWELL 8C-PCNT02 51454363-275
HONEYWELL 8C-PCNT02 51454363-275

Fireye 85UVF1-1QD

Series: 85UVF Series

Product Overview:
The Fireye 85UVF1-1QD is a general-purpose ultraviolet (UV) flame scanner for non-hazardous area installations. It detects UV radiation from flames in industrial boilers, furnaces, and heaters and provides a relay output for flame supervision. The “1QD” suffix indicates a standard (non-explosion-proof) housing with 120V AC / 240V AC power option.

Category:
Description

Technical Specifications:

Parameter Value
Model Number 85UVF1-1QD
Detection Method Ultraviolet (UV), 185–260 nm bandpass
Response Time < 4 seconds (typical)
Viewing Angle 5° full angle
Detection Range Up to 15 meters (50 ft)
Output 1 SPDT relay (Form C), 5A @ 250V AC
Supply Voltage 120V AC or 240V AC (selectable)
Power Consumption 8VA
Housing Material 316 Stainless Steel
Window Material Sapphire (UV-transparent)
IP Rating IP66 (weatherproof)
Operating Temperature -40°C to +70°C (-40°F to +158°F)
Mounting 1″ NPT thread or flange mount
Weight 2.1 kg (4.6 lb)
Certifications UL, CSA

Function Features:

  • UV flame detection — rejects visible light, welding arcs, sunlight
  • Sapphire viewing window — high durability, UV transparency
  • Relay output — Form C contact for burner safety interlock
  • LED indicators: Power (green), Flame (green), Fault (red)
  • Narrow 5° field of view — reduces false alarms from adjacent flames
  • 120V/240V AC power — no external transformer required

Applicable Industries:
Commercial boilers, industrial heaters, food processing ovens, dryers, kilns, HVAC furnaces.

Installation Requirements:

  • Mount with direct line-of-sight to flame
  • Use 1″ NPT conduit with weatherproof fittings
  • Align within ±2° of flame center
  • Ground housing to equipment ground
  • Maximum distance: 15m (50 ft)

Usage Notes:

  • Clean sapphire window quarterly in dusty/oily environments
  • Relay must control main fuel valve solenoid in safety circuit
  • Test flame signal daily per NFPA 85 requirements
  • Do not install in areas with direct sunlight on window (causes false trips)
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