D-GF 75 / ASD-75

Burner control


Self-monitoring and fail-safe burner controls for the control of gas and oil burners as well as combined gas/oil burners of any capacity.


  • Controlling and monitoring of gas and oil burners/igniters of any capacity.
  • Suitable for intermittent operation (D-GF 75-10, ASD-75 POI) and continuous operation (D-GF 75-20, ASD-75 POD)
  • Prepurge of the boiler with changeable prepurge time and optional air pressure check
  • Changeable safety times
  • Input for external flame monitor
  • Optional re-cycling after flame loss in operating position
  • (for D-GF 75): Integrated ionisation flame monitor
  • (for ASD-75): Input for a 90-110 VDC flame signal


  • Chemical industry
  • Refineries
  • Cement plants
  • Waste incinerators
  • Steam generators
  • Heating plants

Technical Data

Operational modeD-GF 75-10; ASD-75 POI: Intermittent operation
D-GF 75-20; ASD-75 POD: Continuous operation
SafetySelf-monitoring and fail-safe
Mains frequency50/60 Hz +/-5%
Prepurge time0 s, 30 s, 60 s or 120 s
First safety time (start-up)3 s, 5 s, 10 s or 15 s
Flame failure response time1 s, 2 s, 3 s or 5 s
Flame intensity0…50 μA
Perm. ambient temperature-20…+60°C
InstallationDIN-rail TS 35
Weightapprox. 1 kg
Mains voltage230 VAC +10%/-15% (standard)
Mains voltage115 VAC +10%/-15% (special version)
Flame sensorexternal flame monitor, ionisation electrode
Length of ionisation cablemax. 150 m (shielded cable)
Dimensions91 x 103 x 118 mm (WxHxD)
Mains voltage230 VAC +10%/-15% (standard ASD-75 P0...)
Mains voltage115 VAC +10%/-15% (special version ASD-75 P0.../00M)
Inputsexternal flame monitor, 90-110 VDC flame signal
Length of flame signal cablemax. 150 m
Dimensions113 x 103 x 118 mm (WxHxD)


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