65UV5-1004QD Fireye Integrated Flame Scanner Datasheet
Overview of 65UV5-1004QD Fireye Integrated Flame Scanner
The Fireye 65UV5-1004QD is a self-checking, microprocessor-based ultraviolet flame scanner with an internal flame relay, providing a compact and reliable solution for modern burner management systems. It features a quick-disconnect 8-pin connector, a 4–20 mA flame signal output, and a rugged NEMA 4X / IP66 aluminum housing designed for harsh environments. With a 4-second flame failure response time and built-in proof-of-operation diagnostics, this scanner offers both safety and efficiency in demanding combustion applications.
Specifications
| Specification | Detail |
|---|---|
| Model | 65UV5-1004QD |
| Flame Failure Response Time | 4 seconds |
| Sensor Type | Ultraviolet, self-checking tube type |
| Internal Relay | SPDT flame relay, fixed ON/OFF threshold |
| Analog Output | 4–20 mA proportional to flame signal |
| Supply Voltage | 24 VDC (+10% / –15%) |
| LED Indicators | Two-color LED (flame / fault) visible through viewing port |
| Housing | Cast aluminum, NEMA 4X / IP66 enclosure |
| Mounting | 1″ NPT female threads |
| Cooling / Purge Air | 4 SCFM typical (up to 15 SCFM max) |
| Operating Temperature | –40 °F to +150 °F (–40 °C to +65 °C) |
| Hazardous Rating | Class I Div 2 Groups A–D / Class II Div 2 Groups F & G |
| Weight | Approximately 4 lbs (1.8 kg) |
Key Features & Benefits
Integrated design with internal relay—no external amplifier required.
Self-checking shutter mechanism ensures continuous operational safety.
4–20 mA analog signal provides live feedback on flame intensity.
LED status indication for flame presence and fault conditions.
Rugged NEMA 4X / IP66 housing for outdoor or industrial use.
Quick-disconnect connection simplifies field replacement and service.
Complies with hazardous-location requirements for Class I and Class II installations.
Applications
Industrial furnaces and boilers
Fuel-oil and gas burners
Combustion monitoring and control systems
Process heaters and incineration equipment
Retrofit replacements for older UV flame detectors
Installation & Maintenance
Mount using the 1″ NPT female connection and orient for proper view of flame.
Use clean, dry purge air at 4 SCFM minimum to keep the optical lens free of soot.
Verify the 4–20 mA signal and relay response during burner startup.
Check LED indicator for steady flame signal or flashing fault status.
Periodically clean the viewing window and inspect wiring terminals for tightness.
Ensure all conduit entries are sealed to maintain NEMA 4X protection.
59-598-3 three (3) meter connector cable assembly
Apex Controls is not affiliated with Fireye or the use of the Fireye logo







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