Siemens LMO14 Series 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 Series Specifications

General

Brand	Siemens
Model	LMO14 Series
Category	Control Unit
Language	English

Summary

Use and General Features of Oil Burner Controls

Key Product Features

Lists key features like EN 267 compliance, monoblock design, and status indication.

Safety and Installation Guidelines

General Safety Precautions

Crucial safety warnings about handling, installation, and electrical hazards.

Mounting and Installation Notes

Commissioning, Standards, and Service Information

Commissioning Safety Checks

Safety checks required during plant commissioning and maintenance work.

Type Summary

Product Type Specifications

Summary of different LMO models with technical specifications and comparisons to LOA types.

Technical Data

General Unit Specifications

Key technical data for the burner controls including electrical and physical specifications.

Environmental Conditions

Functionality and Fault Management

Startup Preconditions and Undervoltage

Conditions for startup and how undervoltage is monitored and handled.

Intermittent Operation and Fault Handling

Control of intermittent operation, fault sequences, and lockout reset procedures.

Ignition Program and Repetition Limits

Operation, Display, and Diagnostics

Operation and Controls Overview

Diagnostic Methods

Operational Status Indication

Fault Diagnostics and Interpretation

Visual Fault Diagnostics Activation

Details how to activate visual diagnostics via the lockout reset button to read fault codes.

Fault Code and LED Blink Interpretation

Lists common fault causes corresponding to specific LED blink codes and alarm states.

Connection Diagrams and Control Sequences

LMO14 Models

LMO24 Models

LMO44 Models