Product Overview

The Siemens LMO44 Burner Controller for Oil Industrial Burners is a microprocessor-based automatic burner control system developed for the safe startup, supervision, and shutdown of oil burners operating in intermittent mode. It is engineered for pressure-jet oil burners used in industrial and commercial heating applications where reliability and safety are critical.

The LMO44 controls the entire burner sequence including pre-purge, ignition, flame monitoring, safety lockout, and shutdown, ensuring consistent combustion performance and compliance with international safety standards. Flame supervision is carried out using a photoresistive flame detector, providing dependable flame detection even under demanding operating conditions.

Designed for OEM burner manufacturers, service engineers, and industrial users, the LMO44 offers robust construction, stable electronic control, and long service life. Its compact plug-in design allows easy installation and replacement, making it suitable for both new installations and retrofit applications.

Key Features

Designed for single-stage oil industrial burners

Reliable photoresistive flame supervision (QRB-type sensors)

Safe and proven ignition and burner sequence control

Intermittent operation with automatic safety shutdown

Fast safety lockout in case of flame failure

Compact and rugged design for industrial environments

Easy installation with plug-in mounting base

Long operational life with stable performance

Complies with international oil burner safety standards

Applications

• Industrial oil burners

• Boilers and steam generators

• Furnaces and thermal processing equipment

• Commercial and industrial heating systems

• Pressure-jet oil burner applications

• OEM burner assemblies and control panels

Why Choose Siemens LMO44 Burner Controller?

Trusted Siemens safety and engineering quality

Ensures stable and safe oil burner operation

Low maintenance with dependable long-term performance

Easy replacement for older oil burner controllers

Widely used in industrial heating applications

Designed to meet global burner safety regulations

Technical Description

The Siemens LMO44 Burner Controller is an automatic electronic control unit designed for the control and supervision of single-stage oil burners in intermittent operation. It manages the complete burner cycle including pre-purge timing, ignition, flame monitoring, and controlled shutdown.

Flame detection is achieved via a photoresistive flame sensor, ensuring rapid detection of flame failure and immediate safety lockout. The controller’s electronic timing logic provides repeatable and reliable burner operation. Its compact plug-in construction allows quick installation, servicing, and replacement in industrial oil burner systems.

Technical Specifications