LMV51.140C1 Siemens Burner Control

Overview

The Siemens LMV51.140C1 is a high-performance burner management system (BMS) designed for the supervision and control of forced draft oil or gas burners of medium to high capacity. This advanced control unit integrates critical functions such as flame safeguard, electronic fuel-air ratio control, and a modulating PID load controller into a single base unit. Operating on 110V, the LMV51.140C1 is engineered to improve boiler efficiency, simplify installation, and enhance safety through precise, linkage-less control of burner components.

Features

• Integrated linkage-less control for precise electronic fuel-air ratio adjustment for up to 4 actuators
• Built-in PID temperature or pressure load controller for automated setpoint management
• Comprehensive flame safeguard system with independent processor for maximum safety
• Integrated gas valve proving to ensure system integrity before and after burner operation
• Capability for over 900 highly repeatable actuator positions for precise combustion control
• Modular system extension support via integrated communication interfaces
• Password-protected access levels for end-users, installers, burner manufacturers, and Siemens personnel
• Designed for high durability with a lifecycle of approximately 250,000 startup cycles

Specifications

• Model: LMV51.140C1
• Mains Voltage: AC 120 V (110V nominal)
• Mains Frequency: 50 / 60 Hz
• Power Consumption: Less than 30 W
• Protection Class: Safety Class I
• Operating Temperature: -20 C to +60 C
• Undervoltage Detection: Safety shutdown at 100 V
• Dimensions: 230 mm x 135 mm x 60 mm
• Weight: Approximately 2.0 kg
• Internal Fuse: 6.3 AT

Applications

• Industrial steam and hot water boilers
• Thermal fluid heaters and large-scale HVAC systems
• Forced draft oil and gas burners of medium to high capacity
• Complex combustion systems requiring precise modulation and fuel-air ratio control
• Commercial and industrial plant environments focused on energy efficiency and safety monitoring