LFL1.122

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The Siemens LFL1.122 is a sophisticated gas burner control unit designed for medium to high capacity forced draft burners. It is suitable for use with gas, oil, or dual-fuel burners, and is ideal for multistage or modulating burners operating in intermittent mode. This control unit ensures reliable operation by incorporating advanced flame supervision technology, compatible with both UV detectors and ionization probes. The LFL1.122 features a robust plug-in design, made from impact-proof and heat-resistant materials, ensuring durability and ease of maintenance. With its comprehensive control capabilities, including checked air damper control and multiple safety features, the Siemens LFL1.122 is a versatile solution for managing burner operations in various industrial applications.
Specification Description
Part Number LFL1.122
Manufacturer Siemens
Category Gas Burner Control
Application Designed for controlling and supervising gas, oil, or dual-fuel forced draft burners of medium to high capacity. Suitable for multistage or modulating burners in intermittent operation, ensuring at least one controlled shutdown every 24 hours.
Features Includes checked air damper control and flame supervision with UV detectors or ionization probe. The unit is built with a plug-in design, exchangeable unit fuse, and a lockout reset button with a viewing window for fault indication.
Housing Material Made of impact-proof and heat-resistant black plastic.
Connection Equipped with 24 connection terminals, auxiliary terminals, earthing terminals, and neutral conductor terminals. Features multiple knockout holes for cable entry.
Voltage Operates on AC 230 V with a frequency of 50...60 Hz.
Power Consumption Approximately AC 3.5 VA.
Weight Approximately 1,000 g for the unit and 165 g for the plug-in base.
Environmental Suitable for operation in temperatures ranging from -20 to +60 °C with humidity levels below 95% r.h.
Safety Standards Conforms to EEC directives for electromagnetic compatibility and low-voltage directive.

What is the primary function of this gas burner control?

The primary function of the Siemens LFL1.122 gas burner control is to manage and supervise the operation of gas burners, ensuring safe and efficient combustion processes.

Can this gas burner control be used with dual-fuel burners?

Yes, the Siemens LFL1.122 is suitable for use with dual-fuel burners, providing control and supervision for both gas and oil combustion systems.

What type of flame supervision does this gas burner control support?

The Siemens LFL1.122 supports flame supervision using UV detectors and ionization probes, ensuring reliable detection of the flame presence.

Is this gas burner control suitable for modulating burners?

Yes, the Siemens LFL1.122 is designed for use with multistage or modulating burners, allowing for precise control of the combustion process.

What are the environmental conditions for operating this gas burner control?

The Siemens LFL1.122 can operate in temperatures ranging from -20 to +60 °C with humidity levels below 95% relative humidity, without condensation or ice formation.

What is the degree of protection for this gas burner control?

The Siemens LFL1.122 has a degree of protection rated at IP 40, except for the connection area, which is rated at IP 00.

What is the permissible input current for this gas burner control?

The permissible input current at terminal 1 of the Siemens LFL1.122 is a maximum of 5 A continuously, with peaks up to 20 A for 20 ms.

What is the weight of this gas burner control?

The Siemens LFL1.122 gas burner control weighs approximately 1,000 grams, with the plug-in base weighing an additional 165 grams.

  • Control and supervision of gas, oil, or dual-fuel forced draft burners.
  • Suitable for medium to high capacity burners in industrial applications.
  • Used in multistage or modulating burners for efficient energy management.
  • Ideal for intermittent operation with mandatory controlled shutdowns every 24 hours.
  • Compatible with dual-fuel burners for flexible fuel usage.
  • Applicable in stationary air heaters for consistent temperature control.
  • Integrated with UV detectors and ionization probes for reliable flame supervision.
  • Employed in systems requiring checked air damper control for safety and efficiency.

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

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