SIEMENS : LOA24.171B2E
SIEMENS : LOA24.171B2E
The LOA… are used for the startup, supervision and control of single- or 2-stage forced
draft oil burners in intermittent operation.
Yellow-burning flames are supervised with photoresistive detectors QRB…, blueburning
flames with blue-flame detectors QRC…
burner control siemens