Description
The Siemens LAL2.25 Series 02 is a universal, AC 230V burner control designed for managing and supervising medium-to-high capacity, oil-atomizing burners. It ensures safe startup, flame monitoring (via QRB1/RAR detectors), and includes features like air pressure monitoring and a
safety time (TSA).
Key Features and Specifications:
- Application: Suitable for oil burners, including multi-stage or modulating versions.
- Flame Supervision: Designed for use with yellow flame detectors (QRB1) or selenium photocells (RAR).
- Safety Time (TSA): 5 seconds.
- Voltage: AC 220-240 V
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- Design: Robust, German-engineered unit, usually without a plug-in base.
Key Functional Aspects:
- Safety Shutdown: The unit initiates a lockout if the flame signal is absent after the safety time or if air pressure is lost during operation.
- Control Loop: It monitors the entire combustion sequence, including pre-ignition and post-purge, to maintain safe operating conditions.
- Series Connectivity: Can be integrated into complex, multi-component burner systems.
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