PRODUCT DESCRIPTION
SIEMENS LME22.233C2RL - Automatic Burner Control Unit
The SIEMENS LME22.233C2RL is an automatic burner control unit engineered for the supervision and control of single-stage or two-stage forced draft gas burners operating in intermittent mode. This device manages the ignition sequence, flame supervision via ionisation probe, and safety shutdown functions critical for heating systems, boilers, and industrial furnace applications. It ensures reliable and safe combustion process operation by monitoring essential parameters and executing predefined program sequences.
Technical Specifications:
- SERIES/FAMILY: LME22 Series
- COMPONENT TYPE: Automatic Burner Control Unit
- ELECTRICAL SPECS:
- NOMINAL VOLTAGE: 230 VAC
- OPERATING VOLTAGE RANGE: 195 to 253 VAC
- FREQUENCY: 50/60 Hz
- POWER CONSUMPTION: Approximately 3.5 VA
- PHASE: Single-phase
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact module
- MOUNTING: DIN rail or screw mounting
- INTERFACE/CONTROL:
- FLAME SUPERVISION: Ionisation probe (C2 variant)
- IGNITION: High-voltage ignition transformer control
- VALVE CONTROL: Gas valve 1, Gas valve 2 (for two-stage operation)
- FAN CONTROL: Forced draft fan motor
- INPUTS: Thermostat/controller, air pressure switch, gas pressure switch
- OUTPUTS: Operation indicator, fault indicator
- RESET FUNCTION: Integrated reset button (RL variant)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (for internal panel mounting)
- OPERATING TEMPERATURE: -20 to +60 degrees C
- COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION:
- BURNER TYPE: Single-stage and two-stage forced draft gas burners
- OPERATION MODE: Intermittent operation
- APPLICATIONS: Heating systems, boilers, industrial furnaces, air heaters