LMV36.520A1 Siemens Burner Control

Overview

The Siemens LMV36.520A1 is a microprocessor-based burner management system designed for the control and supervision of forced draft burners of medium to high capacity. This sophisticated burner control unit integrates flame safeguard functions with electronic fuel-air ratio control for up to two actuators. It is specifically engineered for dual-fuel applications (gas and oil), allowing for seamless fuel selection when paired with the AGM60 dual-fuel switch unit. The LMV36.520A1 ensures optimal combustion efficiency and enhanced safety in industrial and commercial heating environments.

Features

• Integrated burner management system with comprehensive valve proving
• Electronic fuel-air ratio control for a maximum of 2 actuators (SQM3 or SQN1)
• Dual-fuel capability for managing both gas and oil burners
• Variable Speed Drive (VSD) control for the combustion air fan to improve energy efficiency
• Built-in Modbus interface for seamless integration into building management systems
• BCI (Burner Communication Interface) for connecting to an external display or PC software
• Advanced diagnostics and parameter adjustment via AZL2 display or ACS410 software
• Contact feedback network for supervising all safety-related digital inputs and outputs

Specifications

• Model: LMV36.520A1
• Operating Voltage: AC 120 V (+10% / -15%)
• Frequency: 50/60 Hz
• Power Consumption: Approximately 20 VA
• Operating Temperature: -20 C to +60 C
• Protection Rating: IP40 (when mounted)
• Weight: Approximately 2.0 lbs (0.91 kg)
• Dimensions: 230mm x 135mm x 60mm
• Safety Standard: Type 2B in accordance with DIN EN 60730-1
• Design Lifetime: 250,000 burner startup cycles (approx. 10 years)

Applications

• Forced draft gas burners (EN 676) and oil burners (EN 267)
• Dual-fuel industrial burners requiring precise fuel-air ratio management
• Commercial boilers, furnaces, kilns, and thermal power plants
• Systems utilizing ionization probes or QRA/QRC optical flame detectors for intermittent operation
• Linkageless burner applications to replace mechanical cams and improve combustion performance