Siemens LMO14.111C2 User Manual

CC1N7130en
22.08.2013
Building Technologies Division
Infrastructure & Cities Sector
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. Standard versions with an oil
throughput up to 30 kg / h, special versions above 30 kg / h.
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 QRB..., blue-burning flames with blue-flame detectors QRC...
In terms of housing dimensions, electrical connections and flame detectors, the LMO...
are identical with the LOA... oil burner controls.
- Oil burners with fans to EN 267
- Burner controls for use with atomization oil burners of monoblock design to
DIN EN 230:2005-10
- 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
General features
Distribuitor: FLAME POWER SRL 021-3121727 ; 0744-340566 contact@arzatoare.ro ; www.arzatoare.ro

Siemens LMO14.111C2 Specifications

General

Brand	Siemens
Model	LMO14.111C2
Category	Control Unit
Language	English

Summary

Warning Notes

Mounting Notes

Guidelines for safe and correct physical installation of the burner control unit.

Installation Notes

Instructions for wiring and electrical connections during installation, adhering to safety standards.

Commissioning Notes

Standards and Certificates

Indication and Diagnostics

Type Summary

Ordering Information

Technical Data

Flame Supervision and Detector Current

Flame Supervision

Specifies detector current requirements and permissible limits for QRB and QRC flame detectors.

Function

Preconditions for Startup

Undervoltage Monitoring

Fault Control Sequence

Resetting the Burner Control

Ignition Program and Repetition Limits

Operation, Display, and Diagnostics

Operation and Controls

Diagnostics of Cause of Fault

Error Code Table

Details the red blink codes of the signal lamp and corresponding error codes for fault diagnosis.

Diagrams and Control Sequences

LMO14 Connection Diagram and Control Sequence

Internal diagram and control sequence for LMO14 burner controls.

LMO24 Connection Diagram and Control Sequence

Internal diagram and control sequence for LMO24 burner controls.

LMO44 Connection Diagram and Control Sequence

Internal diagram and control sequence for LMO44 burner controls.