SIEMENS LGB22. 330A27 LGB Combustion Controller

Product Description

Model: LGB22.330A27, Brand: SIEMENS, LGB series gas burner program controller, made in Germany. Designed for intermittent single-stage or two-stage gas burners up to 350kW, applicable for burners with or without fan. It manages pre-purge, ignition sequence, flame supervision and gas valve timing control. Flame detection via ionization probe; UV flame detector is available with AGQ1 auxiliary module. Equipped with air pressure monitoring, undervoltage protection and remote reset function. It locks out on fault with fault indicator light, complying with EN298 gas appliance safety standard, serving as core timing control unit for industrial burners.

Specifications

• Model: LGB22.330A27
• Brand: SIEMENS
• Series: LGB Burner Controller
• Applicable Burner: Single / two-stage gas burner, intermittent operation, max. 350kW
• Supply Voltage: 220~240V AC (-15% ~ +10%)
• Frequency: 50/60Hz
• Power Consumption: 3VA
• Safety Ignition Time ts: max.3s
• Flame Detection: Ionization probe; optional UV detector (with AGQ1 module)
• Built-in Functions: Pre-purge, ignition timing, air pressure monitoring, undervoltage monitoring, remote reset, fault lockout, fault status indication
• Protection Class: IP40
• Mounting: Snap-on base mounting
• Operating Ambient Temperature: -20℃ ~ +60℃
• Certifications: CE, EN298
• Origin: Germany

Application

Widely deployed for gas burners of industrial boilers, hot water heaters, thermal oil furnaces, hot air stoves and coating ovens. It performs automatic pre-purge, ignition and continuous flame monitoring. In case of flame loss or pressure failure, it immediately cuts off gas valve and triggers safety lockout to ensure combustion safety. Matched with medium & small gas burners such as Riello and Bentone, commonly used as spare parts for equipment maintenance and replacement.

Same Series Models (LGB Burner Controller)

1. LGB21.330A27
2. LGB22.330B27
3. LGB22.230B27
4. LGB41.250A27
5. LGB41.250B27