Product introduction
The FIREYE 45UV5-1101 is a cutting-edge self-checking ultraviolet (UV) flame scanner meticulously engineered by FIREYE, a globally recognized leader in combustion control and flame safeguard systems. This advanced device is specifically designed to accurately and reliably detect the presence or absence of flames that emit ultraviolet radiation, which is a characteristic signature of various fossil fuels including natural gas, propane, methane, butane, kerosene, and light petroleum distillates. The FIREYE 45UV5-1101 plays a critical role in enhancing the safety and efficiency of industrial burners, boilers, process ovens, and heaters by providing instantaneous and precise flame status information.
Functioning on the principle of UV-eye detection, the FIREYE 45UV5-1101 incorporates a sealed, gas-filled, UV-sensitive tube with two electrodes. When sufficient UV radiation from a flame interacts with these electrodes, it causes the inter-electrode gas to become conductive, resulting in a measurable electric current. A defining feature of the FIREYE 45UV5-1101 is its integrated electromagnetic shutter, which enables a continuous self-checking circuit. This mechanism periodically verifies the operational integrity of the scanner and its associated signal pathways, providing an unparalleled layer of reliability by confirming the scanner’s own health, which is especially vital in continuous firing applications where system cycling is infrequent. The FIREYE 45UV5-1101 seamlessly integrates with compatible FIREYE controls such as the Flame-Monitor, BurnerLogix, D-Series, FlameWorx, MicroM, and some P-Series platforms, offering a robust and dependable flame safeguard solution for supervised manual, semi-automatic, and fully automatic single-burner systems, particularly those operating on 50 Hz power.
Core advantages and technical highlights
The FIREYE 45UV5-1101 self-checking UV flame scanner presents a compelling array of advantages and technical highlights, positioning it as a top-tier solution for demanding industrial flame detection. Manufactured by FIREYE, a pioneer in combustion safety, the FIREYE 45UV5-1101 embodies reliability, precision, and advanced diagnostic capabilities tailored for 50 Hz environments.
Advanced Self-Checking Mechanism: A key distinguishing feature of the FIREYE 45UV5-1101 is its integrated electromagnetic shutter. This innovative mechanism enables a continuous self-checking circuit that periodically interrupts the UV detector’s view of the flame. During these brief closed periods, the connected Fireye control system rigorously verifies the proper functioning of the UV tube and the entire signal processing circuitry. This automated self-diagnosis, occurring at specific intervals (e.g., approximately every 4 seconds with a 0.4-second closed period), significantly reduces the risk of undetected scanner failure. This provides an enhanced layer of safety and ensures accurate flame presence or absence information, which is particularly crucial for continuously fired applications where manual verification is impractical.
Optimized for 50 Hz Power Systems: The FIREYE 45UV5-1101 is specifically designed and calibrated for operation within 50 Hz power systems. This optimization ensures stable and accurate performance in regions where this frequency is standard, preventing compatibility issues that might arise from using 60 Hz-centric equipment. This dedicated design ensures the self-checking mechanism and flame signal processing are precisely synchronized with the local electrical grid, contributing to higher reliability and fewer false trips.
High Sensitivity and Discrimination: Utilizing a highly sensitive UV-eye detector, the FIREYE 45UV5-1101 responds exclusively to ultraviolet radiation within the 2200 to 2600 Angstrom range. This precise spectral sensitivity allows the scanner to effectively discriminate between the target flame and other ambient light sources, such as hot refractory or visible light, which do not emit in this UV spectrum. This selectivity drastically minimizes false alarms and nuisance trips, ensuring that flame detection is both accurate and reliable. The plano-convex quartz lens further enhances the scanner’s sensitivity and optical performance, enabling effective detection even at distances up to 72 inches.
Robust and Durable Construction: The FIREYE 45UV5-1101 is encased in a rugged cast aluminum housing, sealed with an oil-resistant gasket. This robust construction provides excellent protection against dust, moisture, and high temperatures, making it highly suitable for harsh industrial environments. Its ability to operate reliably within a temperature range of -40°F to 200°F (-40°C to 93°C) and its 1″ BSP threaded connection for mounting ensure both physical resilience and ease of secure installation in diverse applications.
Typical application scenarios
The FIREYE 45UV5-1101 self-checking UV flame scanner is an indispensable safety component across various industrial sectors that demand precise and continuous monitoring of combustion processes, particularly those operating in 50 Hz environments. Its ability to detect ultraviolet emissions from fossil fuel flames makes it ideally suited for a wide array of critical applications.
In industrial boiler installations, ranging from power generation plants to manufacturing facilities and large commercial heating systems, the FIREYE 45UV5-1101 is extensively used to monitor both pilot and main flames. It provides critical flame supervision, enabling immediate detection of flame failure and initiating prompt, safe shutdown sequences to prevent the hazardous accumulation of unburned fuel, thereby mitigating explosion risks. For example, in a large natural gas-fired boiler in a European chemical plant, the FIREYE 45UV5-1101 would provide continuous confirmation of a stable flame, essential for maintaining steam production and ensuring overall operational safety.
Process heating applications are another major area where the FIREYE 45UV5-1101 demonstrates its value. This includes a broad spectrum of industrial equipment such as furnaces, kilns, process ovens, and dryers found in industries like metallurgy, ceramics, textiles, and food processing. In a large industrial oven used for heat treatment of components, the FIREYE 45UV5-1101 ensures that the burners maintain a consistent and stable flame, vital for achieving uniform product quality and preventing the buildup of uncombusted fuel within the confined space, enhancing safety.
Furthermore, the FIREYE 45UV5-1101 plays a crucial role in commercial and institutional heating and incineration systems that utilize natural gas, propane, or light fuel oils. This can include large HVAC systems in hospitals, universities, and convention centers operating on 50 Hz power grids. Its self-checking feature is particularly beneficial in these continuously fired applications, offering an automated layer of diagnostic confidence that reduces manual inspection requirements and ensures consistent heating and safety across the facility. The robust design of the FIREYE 45UV5-1101 ensures its reliability and longevity even in demanding continuous duty cycles.
Related model recommendations
The FIREYE 45UV5-1101 is part of a comprehensive series of FIREYE flame scanners and combustion control components. Here are some related models that either complement or offer alternatives to the FIREYE 45UV5-1101:
- FIREYE 45UV5-1007: This model is a self-checking UV scanner with integrated shutter drive, similar to the FIREYE 45UV5-1101, but it is designed for 60 Hz power systems and features 1″ BSP threads.
- FIREYE 45UV5-1009: Also a self-checking UV scanner with integrated shutter drive for 60 Hz systems, this model typically features 1″ NPT threads, differentiating it from the FIREYE 45UV5-1101‘s 50 Hz operation and BSP threads.
- FIREYE 45UV5-1103: This model is a self-checking UV scanner specifically designed for 50 Hz power systems, like the FIREYE 45UV5-1101, but it features 1″ NPT threads instead of BSP threads.
- FIREYE 55UV5-1101: This model is often an upgraded or next-generation version of the FIREYE 45UV5-1101, designed for 50 Hz operation, potentially offering enhanced features, improved performance, or specific certifications for more demanding or hazardous environments (e.g., explosion-proof ratings).
- FIREYE 48PT2-1007: This is an infrared (IR) flame scanner, offering an alternative flame detection technology. It is suitable for applications where the flame primarily emits in the infrared spectrum, such as heavy oil or pulverized coal flames, contrasting with the UV focus of the FIREYE 45UV5-1101.
- FIREYE BurnerLogix (e.g., YB110UVSC): These are advanced burner management control systems that the FIREYE 45UV5-1101 is designed to interface with. They process the flame signal from the scanner to manage burner operation and ensure critical safety interlocks.
- FIREYE MicroM (e.g., MEUVS4): Another series of compatible flame safeguard controls that work in conjunction with the FIREYE 45UV5-1101 for various single-burner and multi-burner applications, providing the necessary signal amplification and safety logic.
Installation, commissioning and maintenance instructions
Proper installation, precise commissioning, and diligent maintenance are paramount for ensuring the long-term safety and peak performance of the FIREYE 45UV5-1101 self-checking UV flame scanner. Adherence to these guidelines is crucial for maximizing its lifespan and reliability.
Installation preparation: Before beginning the installation of the FIREYE 45UV5-1101, it is absolutely critical to de-energize and lock out all power to the associated burner and control system to prevent any accidental startup or electrical shock. Carefully select the mounting location to ensure the FIREYE 45UV5-1101 has an unobstructed view of the flame, free from any physical interference such as air register vanes, refractory, or igniter sparks after ignition. The scanner should be positioned so its line of sight intersects the burner centerline at a slight angle, focusing on the region of maximum UV emission, typically near the flame’s base. If purge air is utilized to keep the lens clean (highly recommended for dusty or sooty environments), ensure the air supply connection (3/8-inch threaded inlet) is properly routed and delivers the specified airflow (e.g., 4 SCFM). All wiring for the FIREYE 45UV5-1101 must be shielded and run in dedicated metal conduit, strictly separated from high-voltage ignition leads to prevent electrical noise interference. Verify that all electrical connections conform to the specific wiring diagrams provided in the Fireye control manual and are securely tightened.
Maintenance suggestions: Routine maintenance for the FIREYE 45UV5-1101 is primarily preventative, focusing on cleanliness and connection integrity. Periodically inspect the scanner’s quartz lens for any accumulation of soot, dust, or oil, as these contaminants can significantly attenuate the UV signal and lead to nuisance trips or improper flame detection. Clean the lens gently with a soft, lint-free cloth and, if necessary, a mild, non-abrasive cleaner. Regularly check all electrical connections, including the 1″ BSP mounting threads, for tightness and any signs of corrosion or wear. Loose connections can degrade signal quality or disrupt the self-checking function. Although the FIREYE 45UV5-1101 features continuous self-checking, it is good practice to periodically verify the flame signal strength using a compatible FIREYE flame signal meter (e.g., P/N 38-54 or 38-55) to establish a baseline and identify any gradual degradation. In the event of a fault, systematic troubleshooting should include verifying the power supply (at 50 Hz) to the FIREYE 45UV5-1101, inspecting wiring for physical damage, and confirming the operation of the internal shutter mechanism. Should replacement be necessary, always use a genuine FIREYE 45UV5-1101 or a Fireye-approved equivalent to ensure system compatibility and adherence to safety standards.
Service and guarantee commitment
Our unwavering commitment to the FIREYE 45UV5-1101 flame scanner is substantiated by comprehensive service and robust guarantee policies, ensuring its dependable operation throughout its operational life. Each FIREYE 45UV5-1101 unit is meticulously manufactured under FIREYE’s stringent quality control standards, leveraging decades of expertise in combustion safety technology. We provide a standard warranty that covers the FIREYE 45UV5-1101 against defects in materials and workmanship, offering you confidence in your investment and minimizing potential operational disruptions.
Beyond the initial warranty period, our dedication to supporting the FIREYE 45UV5-1101 continues with exceptional after-sales service and technical support. Our team of highly skilled and factory-trained technical specialists is readily available to assist with any technical inquiries, from installation guidance and commissioning support to troubleshooting and diagnostics specifically tailored for 50 Hz applications. We understand that burner management systems are critical to your operations, and our responsive support ensures that any issues with your FIREYE 45UV5-1101 are addressed swiftly and effectively. We maintain an extensive inventory of genuine FIREYE 45UV5-1101 components and approved spare parts, facilitating quick replacements and ensuring that your systems remain operational with minimal downtime. Our commitment to the FIREYE 45UV5-1101 reflects our broader pledge to provide reliable, safe, and efficient combustion control solutions for industrial applications worldwide.







