Description
Technical Data
Control and supervision of forced draft burners of direct spark flame or interrupted
pilot construction
For medium to high capacity
For intermittent operation (at least one controlled shutdown every 24 hours)
For universal use with multistage or modulating burners
For use with stationary air heaters (WLE)
For use with dual-fuel burners
Type-tested and approved in accordance with DIN EN 298
The flame supervision is ensured via a flame detector QRA2 / QRA4 / QRA10 or
ionization probe. The difference between 01 series and 02 series is the duration of the
safety time for the pilot burner of burners equipped with pilot gas valves.
For atmospheric burners of high capacity, use the LFL1.638.
Mains voltage
AC 230 V –15 / +10 %
AC 100 V –15%…AC 110 V +10%
Mains frequency
50…60 Hz ±6 %
Unit fuse (built-in)
T6.3H250V to DIN EN 60 127
Primary fuse (external)
max. 10 A (slow)
Weight approx.
1,000 g
Power consumption approx.
AC 3.5 VA
Voltage at the ionization probe
– Operation AC 330 V ±10 %
– Test AC 380 V ±10 %
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