SIEMENS Burner Control Series LGB
Ex. LGB21.330A27
Ex. LGB22.230B27
The LGB… are designed for use with burners of small to medium capacity, with or without fan assistance, in intermittent operation.
The LGB… burner controls are used for the startup and supervision of single- or twostage gas or gas / oil burners having a capacity of up to about 350 kW in intermittent
operation.
The flame is supervised with either an ionization current detector electrode, a QRC1… blue-flame detector for forced draught gas / oil burners, or a UV detector QRA… (with AGQ1… auxiliary unit), depending on the type of burner control.
When used with the respective adapters, the LGB… burner controls replace their predecessor types LFI7…, LFM1… and LFD… in terms of function and size (also refer to «Replacement types» under «Ordering»).
Other application-related features:
– Undervoltage protection in compliance with the relevant standards
– Air pressure supervision with functional check of the air pressure monitor during startup and operation
– Choice of electrical remote reset
– LGB41… for use with atmospheric gas burners
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