Description
Detailed parameter table
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| Parameter name | Parameter value |
| Product model | LG1093AA24 |
| Manufacturer | Honeywell |
| Product category | Flame sensor |
| Detection technology | Ultraviolet (UV) |
| Mounting interface | 3/4 inch internal NPT |
| Control panel connection | Teflon shielded cable with 1 inch external conduit thread |
| Operating temperature | -40°F (-40°C) to +350°F (177°C) |
| Window pressure rating | 150 psig (10.34 bar) at 400°F (204°C) |
| Cable lengths | AAX 4: 16 ft (4.9 m), AAX 5: 42 ft (12.8 m), AAX 6: 61 ft (18.6 m) |
| Shipping weight | 3 kg (6.6 lbs) |
| Country of origin | USA |
| Warranty | 12 months |
Honeywell LG1093AA24
Product introduction
The Honeywell LG1093AA24 is a high – performance flame sensor that plays a pivotal role in ensuring the safety and efficient operation of combustion systems. As part of Honeywell’s extensive range of safety and control products, this sensor is designed to detect the presence of a flame accurately, making it an essential component in various industrial and commercial applications.
Utilizing advanced ultraviolet (UV) detection technology, the Honeywell LG1093AA24 can quickly and reliably identify the characteristic UV radiation emitted by a flame. This enables it to provide real – time feedback to the control system, allowing for immediate action in case of flame failure or improper ignition. By integrating this sensor into combustion setups, operators can enhance system reliability, reduce the risk of accidents, and comply with strict safety regulations.
Core advantages and technical highlights
Precise flame detection: The UV – based detection mechanism of the Honeywell LG1093AA24 offers high sensitivity to the presence of a flame. It can distinguish between a true flame and false signals, such as sunlight or electrical interference, with great accuracy. This precision is crucial for preventing false alarms and ensuring that the combustion process operates smoothly. For example, in industrial boilers, the sensor can accurately detect the flame, ensuring that the fuel supply is maintained or cut off as required, optimizing energy consumption and preventing unburned fuel from entering the environment.
Robust construction: Built to withstand harsh industrial environments, the sensor features a durable housing. The 3/4 inch internal NPT mounting interface and Teflon – shielded cable with a 1 – inch external conduit thread not only facilitate easy installation but also provide protection against mechanical stress, moisture, and chemical corrosion. The ability to operate within a wide temperature range from – 40°F to + 350°F and a window pressure rating of 150 psig at 400°F makes it suitable for use in challenging conditions, such as in high – temperature furnaces or in areas with fluctuating pressures.
Reliable safety assurance: In the event of a flameout, the Honeywell LG1093AA24 quickly sends a signal to the control system, which can then shut down the fuel supply. This immediate response helps prevent hazardous situations, such as fuel accumulation and potential explosions. In commercial kitchens, for instance, where gas burners are used continuously, the sensor’s reliable safety function can protect against gas leaks and ensure the safety of staff and customers.
Flexible cable lengths: With options for cable lengths of 16 ft (AAX 4), 42 ft (AAX 5), and 61 ft (AAX 6), the sensor offers flexibility in installation. This allows it to be placed at an optimal location for accurate flame detection, even in large – scale combustion systems where the control panel may be some distance away from the burner.
Typical application scenarios
Industrial boilers: In industrial facilities that rely on boilers for process heating, power generation, or steam production, the Honeywell LG1093AA24 is used to monitor the flame in the combustion chamber. By ensuring that the flame remains stable and operational, it helps maintain efficient heat transfer, reduces fuel wastage, and prevents boiler malfunctions that could lead to costly downtime.
Gas turbines: In power generation plants and some industrial applications where gas turbines are used, the sensor is crucial for monitoring the flame in the combustion section. It enables the control system to adjust the fuel – air mixture for optimal combustion efficiency and to shut down the turbine in case of flame failure, protecting the expensive turbine components from damage due to unburned fuel.
Commercial cooking equipment: In restaurants, hotels, and other food service establishments, the Honeywell LG1093AA24 is installed in gas – fired ovens, stoves, and fryers. It ensures that the burners are operating safely and efficiently, preventing gas leaks and reducing the risk of kitchen fires.
Honeywell LG1093AA24
Related model recommendations
Honeywell LG1092 series: These are similar flame sensors but may have different detection ranges or response times, suitable for applications where the LG1093AA24’s specifications are not exactly required. For example, in smaller – scale combustion systems where a less sensitive or more compact sensor is sufficient.
Honeywell FSC series accessories: Accessories from the FSC series, such as mounting brackets and signal amplifiers, can be used in conjunction with the LG1093AA24 to enhance its performance and ease of installation. The mounting brackets can provide a more secure and stable installation, while signal amplifiers can improve the sensor’s signal strength in long – distance installations.
Honeywell control systems: Honeywell’s various control systems, like the Experion PKS or smaller – scale PLC – based control systems, can be integrated with the LG1093AA24. These control systems can receive the sensor’s signals and execute appropriate control actions, such as shutting down the fuel supply or adjusting the combustion process parameters.
Installation, commissioning and maintenance instructions
Installation preparation: Before installation, ensure that the combustion system is turned off and depressurized. Verify that the mounting location has a 3/4 inch internal NPT fitting that is clean and free from debris. Select the appropriate cable length based on the distance between the sensor and the control panel. Gather the necessary tools, such as a pipe wrench for installing the sensor onto the NPT fitting and a screwdriver for connecting the cable to the control panel.
Maintenance suggestions: Regularly inspect the sensor for any signs of physical damage, such as cracks in the housing or fraying of the cable. Clean the UV – sensing window periodically using a soft, lint – free cloth to remove any dirt, soot, or other contaminants that could affect its performance. Check the cable connections for tightness and signs of corrosion. If the sensor is not detecting flames as expected, first check the alignment of the sensor with the flame and then consider recalibrating the sensor according to the manufacturer’s instructions.
Service and guarantee commitment
The Honeywell LG1093AA24 comes with a 12 – month warranty. During this period, if the sensor fails due to manufacturing defects, Honeywell will repair or replace it free of charge. Honeywell also provides technical support through its global network of service centers. Customers can access online resources, including installation manuals, troubleshooting guides, and product specifications. For more complex issues, Honeywell’s technical experts are available via phone or email to provide assistance, ensuring that the sensor continues to operate reliably throughout its service life.
