CC1N7130en
15.03.2018
Building Technologies
7
130
Oil Burner Controls LMO14...
LMO24...
LMO44...
Microcontroller-based oil burner controls for the startup, supervision and control
of forced draft oil burners in intermittent operation.
Maximum oil throughput up to 30 kg/h, also above 30 kg/h on some versions.
The LMO14, LMO24, LMO44 and this Data Sheet are intended for use by OEMs
which integrate the burner controls in their products.
Use, features
The LMO are designed for the startup and supervision of 1- or 2-stage forced draft oil
burners in intermittent operation.
Yellow-burning flames are supervised with photo resistive detectors QRB1 / QRB3 or
yellow flame detector QRB4, blue-burning flames with blue flame detector QRC.
In terms of housing dimensions, electrical connections and flame detectors, the LMO
are identical with the LOA oil burner controls.
∂ Applications in accordance with EN 267: Automatic forced draft burners for liquid
fuels
∂ Type-tested and approved in accordance with DIN EN 298
∂ LMO44 for use with stationary direct-fired air heaters
∂ Undervoltage detection
∂ Electrical remote reset
∂ Bridging contact for oil preheater
∂ Monitoring of time for oil preheater
∂ Accurate and reproducible control sequence thanks to digital signal handling
∂ Controlled intermittent operation after 24 hours of continuous operation
∂ Limitation of the number of repetitions
∂ Multicolor indication of fault status and operational status messages
Use
Features
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