PRODUCT DESCRIPTION
SIEMENS LMO24.255C2 - Burner Control Unit
The SIEMENS LMO24.255C2 is an automatic burner control unit designed for the supervision and control of single-stage or two-stage forced draft gas or oil burners in intermittent operation. It manages the ignition sequence, flame supervision, and operational safety functions, ensuring reliable and efficient combustion processes. This unit is critical for heating systems, industrial furnaces, and process heating applications requiring precise and safe burner management.
Technical Specifications:
- SERIES/FAMILY: LMO24
- COMPONENT TYPE: Burner Control Unit / Combustion Manager
- ELECTRICAL SPECS: NOMINAL VOLTAGE: 230VAC FREQUENCY: 50/60Hz POWER CONSUMPTION: Approximately 3.5VA
- MECHANICAL/PHYSICAL: FORM FACTOR: Compact plug-in module MOUNTING: Base-mounted with screw terminals
- INTERFACE/CONTROL: FLAME SUPERVISION: Compatible with ionization probes or UV flame sensors (e.g., QRA2, QRA4) CONTROL SEQUENCE: Automatic pre-purge, ignition, safety time monitoring, and post-purge INPUTS: Air pressure switch, operating thermostat, safety limit thermostat, flame sensor OUTPUTS: Ignition transformer, fuel valves (gas/oil), fan motor, fault indication
- ENVIRONMENTAL/MOUNTING: IP RATING: IP20 (for panel mounting) OPERATING TEMPERATURE: -20 to +60 degrees Celsius COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION: TARGET SYSTEMS: Single-stage and two-stage forced draft gas and oil burners APPLICATION: Boilers, air heaters, industrial furnaces, process heating systems, and other combustion plants requiring automated burner control and safety interlocks