The LOA... are used for the startup, supervision and control of single- or 2-stage forced draft oil burners in intermittent operation, and with an oil throughput up to 30 kg/h. Yellow-burning flames are supervised with photoresistive detectors QRB..., blueburning flames with blue-flame detectors QRC...
Specifications:
- Complete reference: LOA24.171B17, LOA24.171B27, LOA24.173A27
- Forced draft oil burners conforming to EN 267
- Oil atomization burners as monoblocks conforming to EN 230
- Undervoltage detection
- Bridging contact for oil preheater

