Product Description for Fireye 65UV5-1000

Description: The Fireye 65UV5-1000 is an ultraviolet (UV) integrated flame scanner, designed for use in industrial combustion control systems. This microprocessor-based device detects the presence or absence of a flame by sensing its UV emissions. The 65UV5-1000 is a self-checking scanner that integrates the sensor, processor, and flame relay into a single, robust unit, eliminating the need for an external amplifier.

Application Scenarios: In a large industrial boiler at a manufacturing plant, reliable flame detection is a critical safety and operational requirement. The boiler’s burner management system was aging, and its flame sensors were prone to false trips due to sunlight or reflections, causing frequent and costly shutdowns. By upgrading the system with the Fireye 65UV5-1000 scanners, the plant achieved a new level of safety and reliability. The scanner’s superior UV detection and microprocessor-based signal processing provided excellent discrimination, distinguishing the target flame from background radiation. This not only eliminated the nuisance trips but also ensured that a true flame failure would be detected instantly, preventing the dangerous accumulation of unburned fuel. The 65UV5-1000 became an essential part of the plant’s safety infrastructure, protecting personnel and equipment while maximizing uptime.

Parameter:

Main Parameters Value/Description Product Model: 65UV5-1000 Manufacturer: FIREYE Product Category: UV Integrated Flame Scanner Sensor Type: Ultraviolet (UV) tube-type sensor, for detecting UV emissions from flames. Input Power: 24 VDC, a common low-voltage standard for industrial control. Flame Failure Response Time: 4 seconds, for safe and reliable flame-out detection. Flame Relay: Internal, with a fixed ON/OFF threshold, eliminating the need for an external amplifier. Self-Checking Mechanism: Electromechanical shutter, for continuous verification of the scanner’s integrity. Environmental Rating: NEMA 4X / IP66, indicating protection against dust, water, and corrosion. Hazardous Classification: Class I, Division 2, Groups A, B, C & D, suitable for use in certain hazardous locations. Mounting: 1″ NPT female pipe mount with 3/4″ NPT female cooling air connection, for secure installation.

Technical Principles and Innovative Values:

• Innovation Point 1: Integrated All-in-One Design: The 65UV5-1000 stands out with its fully integrated design. By combining the UV sensor, microprocessor, and flame relay into a single, rugged housing, it simplifies the burner management system’s architecture. This eliminates the need for external amplifiers, reduces wiring complexity, and lowers overall system cost and footprint. The “out-of-the-box” functionality with minimal setup makes it a highly efficient solution.
• Innovation Point 2: Self-Checking Shutter Mechanism: A key safety feature of the 65UV5-1000 is its electromechanical self-checking shutter. This shutter periodically blocks the optical path to the UV sensor, allowing the internal microprocessor to verify that the scanner and signal circuits are functioning correctly. This continuous self-diagnostic capability is crucial for high-safety applications, ensuring that the scanner will provide valid flame presence or absence information at all times.
• Innovation Point 3: Superior Flame Discrimination: The 65UV5-1000 utilizes a UV-sensitive tube that responds specifically to the ultraviolet emissions of fossil fuel flames. This narrow-band sensitivity, combined with the internal microprocessor, allows it to effectively discriminate the target flame from other sources of light, such as hot refractory or other non-flame emissions. This advanced discrimination is vital for preventing false alarms and ensuring the reliability of the safety system.

Application Cases and Industry Value:

In a refinery, the process heaters are the source of high-temperature heat for a critical distillation process. An older flame monitoring system was failing to detect flame failures quickly enough, posing a significant safety risk. The refinery implemented the FIREYE 65UV5-1000 scanners to replace the legacy system. The new scanners’ four-second flame failure response time (FFRT) provided a much-needed increase in safety margin. The scanners consistently and reliably detected flame presence, and in a test situation, the FFRT performed as specified, immediately shutting down the fuel supply. The enhanced safety provided by the FIREYE 65UV5-1000 not only protected the facility from potential hazards but also gave the operators confidence in the system’s ability to maintain safe and continuous operation.

 

Related Product Combination Solutions:

The FIREYE 65UV5-1000 is typically used within a larger burner management system, in combination with:

• FIREYE Burner Controls (e.g., Nexus, E-Series): These control units act as the central brain of the system, receiving the flame status from the 65UV5-1000 and managing the burner’s ignition, purge, and fuel valves.
• Fuel Valves and Actuators: The flame scanner’s output is used by the burner control to operate safety shutoff valves and fuel control valves, ensuring that fuel is only supplied when a flame is present.
• Ignitors: The 65UV5-1000 works in tandem with the ignitor system to verify that the main flame has successfully lit after the ignition sequence.
• Purge Blowers: Burner management systems use blowers to purge the combustion chamber of unburned fuel before ignition. The 65UV5-1000 confirms the absence of flame during this purge cycle.
• Flame Relay Output (N.O./N.C.): The 65UV5-1000‘s internal flame relay provides a direct electrical signal (normally open/normally closed) to the burner control or a PLC, indicating flame presence.

Installation, Maintenance, and Full-Cycle Support:

The FIREYE 65UV5-1000 is designed for secure mounting on a sight pipe using its 1″ NPT thread. Its robust, cast aluminum housing is built to withstand harsh industrial environments. Due to its self-checking mechanism, routine maintenance on the scanner itself is minimal, primarily focused on ensuring the optical path is clear and that the cooling air purge (if used) is functioning correctly.

In the event of a fault, the self-checking mechanism and the internal LED indicators simplify troubleshooting, allowing technicians to quickly identify the issue. It’s important to note that the 65UV5-1000 is a legacy product and has been superseded by enhanced models like the 65UV5-1004. However, we offer comprehensive full-cycle support, including sourcing high-quality, tested refurbished or new-old-stock units, as well as providing expert technical assistance for installation, commissioning, and long-term maintenance of your system.

Contact us for a customized solution and to learn how the 65UV5-1000 can enhance your industrial automation system.