85UVF1A-1QD | Fireye Integrated Flame Scanner

85UVF1A-1QD from Fireye is an advanced UV flame scanner with internal relay. It delivers fast, reliable flame monitoring for industrial burners. This unit ensures safe burner operation by detecting flame presence or failure instantly.

The scanner features high sensitivity to UV radiation. Its rugged cast aluminum housing withstands harsh industrial environments. A 4-20mA analog output and multiple LED indicators provide clear status feedback.

Technical Specifications

• Brand: Fireye
• Model: 85UVF1A-1QD
• Detection Method: Ultraviolet (UV) flame detection
• Output Signal: Relay output for flame status (SPST N.O.)
• Response Time: Fast response to flame presence
• Sensitivity: High sensitivity to UV radiation from flame
• Viewing Angle: Designed for direct flame sighting
• Power Supply: 24 Vdc nominal, 200 mA
• Electrical Connection: 8-PIN quick-disconnect
• Analog Output: 4-20mA, optically isolated, max load 750Ω
• Relay Outputs: Flame relay (N.O.), Fault relay (N.C.)
• Contact Rating: Min 10mA @5Vdc; Max 2A @30Vdc / 230Vac

Environmental Ratings

• Temperature (Ambient): -40°F to +150°F (-40°C to +65°C)
• Temperature (Internal): -40°F to +180°F (-40°C to +82°C)
• Humidity: 0% to 95% RH, non-condensing
• Pollution Degree: 2
• Overvoltage Category: III

Mechanical & Mounting

• Housing Material: Cast aluminum with gray polyester powder coat
• Scanner Weight (Basic): 5.90 lbs (2.69 kg)
• Scanner Weight (CEX): 9.5 lbs (4.3 kg)
• Mounting: Suitable for burner mounting applications
• Cooling/Purge Air: 4 SCFM (113 l/min) at 3/8″ flange; up to 15 SCFM for high temp/dusty fuels

Electrical & Cable

• Input Power: 24 Vdc nominal, 200 mA
• Cable Specification: P/N 59-546, 8-conductor, #18 AWG, PLTC-ER
• Cable Temperature: -40°F to +221°F (-40°C to +105°C)
• Cable Jacket: PVC, O.D. 0.44″ (11.2 mm) nominal

Installation & Maintenance

• Mounting: Direct burner mounting with 3/8″ threaded flange or 1″ Y fitting.
• Purge Air: Use clean, dry, cool air at 4–15 SCFM depending on conditions.
• Wiring: Use recommended cable P/N 59-546 for optimal performance.
• Maintenance: Periodic cleaning of sight pipe and lens ensures reliable UV detection.
• Debugging: 4-button keypad and LEDs simplify setup and fault diagnosis.

Compatibility & Applications

• Compatible With: Most industrial burners, boilers, and combustion systems.
• Applications: Power generation, chemical processing, oil & gas, cement kilns.
• Fiber Optic Models: Available for difficult sighting applications (-2QD).
• Safety Function: Ensures safe burner shutdown on flame failure.

Certifications & Approvals

• ATEX Certified: Ex II 2 G/D rated (CEX models).
• Industrial Grade: Designed for harsh environments.
• Compliance: Meets overvoltage category III and pollution degree 2.

Expert Review & Manager’s Insight

Expert Review: The Fireye 85UVF1A-1QD offers unmatched reliability. Its fast UV response and robust housing make it ideal for critical burner applications. The 4-20mA output and multiple relays provide flexible integration.

Manager’s Insight: This scanner reduces downtime. Easy diagnostics via LEDs and keypad speed up troubleshooting. For plants with dirty fuels, the optional 15 SCFM purge air ensures consistent performance.

FAQ – Frequently Asked Questions

• What is the detection method?
  It uses ultraviolet (UV) flame detection for reliable sensing.
• What power supply is required?
  It operates on 24 Vdc nominal, with 200 mA current draw.
• How do I connect the scanner?
  Use the 8-pin quick-disconnect and specified cable P/N 59-546.
• Can it be used in high-temperature areas?
  Yes, ambient up to 150°F and internal up to 180°F.
• What is the analog output range?
  4-20mA, optically isolated, with max load 750Ω.
• Is ATEX certification available?
  Yes, CEX models are ATEX certified (Ex II 2 G/D).
• What purge air flow is needed?
  Minimum 4 SCFM; up to 15 SCFM for extreme conditions.
• How do I choose between -1QD and -2QD?
  Choose -1QD for direct sighting; -2QD for fiber optic remote viewing.

Selection Guide & Tips

• For clean, low-temperature applications: Use -1QD basic model with 4 SCFM air.
• For dusty or high-temperature burners: Choose -1QD with 15 SCFM purge.
• For hard-to-see flames: Select -2QD fiber optic model.
• For hazardous areas: Pick the ATEX certified CEX version.
• Always use recommended cable: P/N 59-546 for best signal integrity.

Package Contents

• 85UVF1A-1QD Flame Scanner unit
• Mounting flange (3/8″ threaded)
• Quick-disconnect connector (8-pin)
• User manual and installation guide
• 12-month warranty card

Shipping & Delivery

• Dispatch: 12-24 hours from order confirmation.
• Carriers: FedEx, UPS, DHL – worldwide express.
• Tracking: Provided via email within 24 hours.

Warranty: 12 months against manufacturing defects.

Contact Sales: sales@powergearx.com | +86 18030005825

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