PRODUCT DESCRIPTION
SIEMENS LFL1.322 - Automatic Burner Control
The SIEMENS LFL1.322 is an automatic burner control unit engineered for the safe and reliable operation of forced draft gas or oil burners in medium to high capacity industrial applications. This microprocessor-based flame safeguard system manages the complete burner sequence, including pre-purge, ignition, flame establishment, flame supervision, and safety shutdown, ensuring compliance with stringent safety standards for process heating and boiler systems. It integrates critical safety functions for continuous operation.
Technical Specifications:
- SERIES/FAMILY: LFL1 Series
- COMPONENT TYPE: Automatic Burner Control / Flame Safeguard System
- ELECTRICAL SPECS:
- NOMINAL VOLTAGE: 230VAC (+10% / -15%)
- FREQUENCY: 50/60Hz
- POWER CONSUMPTION: Approximately 10VA
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Modular control unit
- MOUNTING: Base-mounted with screw terminals, typically for panel integration
- INTERFACE/CONTROL:
- INPUTS: Flame sensor (e.g., UV cell, ionization probe), air pressure switch, gas pressure switch, limit thermostats
- OUTPUTS: Ignition transformer, fuel valves (gas/oil), fan motor, alarm relay
- CONTROL LOGIC: Integrated pre-purge, ignition, flame establishment, run, and safety shutdown sequences
- FEEDBACK: Continuous flame signal monitoring
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (for internal panel mounting)
- COOLING METHOD: Natural convection
- AMBIENT TEMPERATURE: -20 to +60 degrees Celsius
- COMPATIBILITY/APPLICATION:
- BURNER TYPE: Forced draft gas or oil burners
- OPERATION: Intermittent or continuous operation
- SYSTEMS: Industrial furnaces, boilers, process heating systems, power generation
- STANDARDS: Conforms to EN 298