LMV51.000C2 Siemens Burner Control

Overview

The Siemens LMV51.000C2 is a microprocessor-based burner management system designed for the control and supervision of medium to high-capacity forced draft burners. As a linkageless control system, it replaces mechanical linkages with electronic fuel-air ratio control, ensuring high repeatability and precision. Operating at 230V AC, this robust unit integrates burner safeguard functions, gas valve proving, and modular communication via a safety-bound CAN bus. It is engineered for industrial and commercial environments, offering a designed lifetime of approximately 250,000 startup cycles, which typically equates to 10 years of reliable service.

Features

• Electronic fuel-air ratio control managing up to 4 actuators simultaneously
• Integrated gas valve proving system to ensure safety before, during, or after burner startup
• Microprocessor-based architecture with dual processors for independent flame safeguard monitoring
• Safety-related CAN bus interface for seamless communication between system components like the AZL5 display and actuators
• Support for multiple flame supervision methods, including ionization probes and UV flame detectors (QRA series)
• 900 highly repeatable actuator positions for fine-tuned combustion control
• Built-in protective mechanisms including undervoltage detection and failsafe shutdown protocols
• Customizable parameter settings to adapt to specific industrial plant requirements

Specifications

• Model: LMV51.000C2
• Operating Voltage: AC 230 V (50/60 Hz)
• Power Consumption: Approximately <30 W
• Number of Actuators: Maximum 4
• Operating Temperature: -20 C to +60 C
• Protection Rating: IP40 (when properly mounted)
• Safety Class: I (conforming to DIN EN 60730-1)
• Undervoltage Shutdown: < AC 186 V
• Dimensions: Approximately 230mm x 135mm x 60mm
• Weight: Approximately 2.0 kg to 3.0 kg

Applications

• Management of forced draft burners in industrial steam generation plants
• Control of burners in large-scale residential and non-residential hot water or steam boilers
• Direct-fired heat production plants and thermal fluid heaters
• Dual-fuel burner operations involving light oil and gas
• Integration by original equipment manufacturers (OEMs) into complex combustion systems requiring high-precision fuel-air ratio management