Product Description
LGB22.330A27 is a burner sequence controller of LGB series originally manufactured by Siemens in Germany. It is designed for two-stage oil/gas intermittent burners, implementing fully automatic start-stop sequence control. It supports flame detection via ionization probe, and can connect UV flame detector QRA with AGQ auxiliary module. Equipped with air pressure monitoring, undervoltage protection, fault lockout and local/remote reset functions. It complies with EN298 and EN676 safety standards, serving as a critical safety spare part for boiler and industrial furnace combustion systems.
Specifications
- Part Number: LGB22.330A27
- Brand: Siemens
- Origin: Germany
- Product Type: Burner Sequence Controller
- Power Supply: AC220~240V, 50/60Hz
- Power Consumption: 3VA
- Control Mode: Two-stage burner control with damper actuator output
- Flame Detection: Ionization probe; UV QRA detector available with AGQ module
- Safety Timing: TSA=3s, pre-purge time t1=30s
- Protection Class: IP40
- Operating Ambient Temp: -20℃ ~ +60℃
- Relative Humidity: <95%, non-condensing
- Certification: CE
- Applicable Burner Power: ≤350kW intermittent burner
- Features: Air pressure monitoring, undervoltage supervision, fault lockout, remote reset
Application
- Sequence control for oil/gas burners on industrial boilers, hot water boilers and thermal oil heaters;
- Two-stage combustion systems for coating lines, heat treatment furnaces and drying ovens;
- Full-cycle control of burner pre-purge, ignition, flame supervision, load switching and emergency shutdown;
- Real-time monitoring of flame signal, air pressure and supply voltage. Fuel valve will cut off immediately and lock out upon flame loss or abnormal air pressure;
- OEM replacement spare part for maintenance and retrofit of old combustion equipment.
Same Series Part Numbers
LGB22.130A27, LGB22.230B27, LGB21.330A27, LGB21.130A27, LGB41.110A27, LGB32.330A27
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