Table of Contents
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Use, features
Use
General features
CC1N7130en
22.08.2013
Oil Burner Controls
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.
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
-
LMO14...
LMO24...
LMO44...
Building Technologies Division
Infrastructure & Cities Sector
7
130
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Table of Contents
Related Manuals for Siemens LMO24.111C2
Summarization of Contents
Use and Features of Oil Burner Controls
Intended Use of LMO Controls
Describes the intended application and functionality of the LMO burner controls.
General Features of Burner Controls
Lists key characteristics and technical specifications for the oil burner controls.
Safety and Installation Guidelines
Warning Notes
Crucial safety warnings to prevent injury, damage, or environmental harm.
Mounting and Installation Notes
Guidelines for proper mounting, installation, and electrical connections.
Commissioning and Certification Information
Commissioning Notes
Key safety checks to perform during plant commissioning or maintenance.
Standards and Certificates
Details conformity to EEC directives and relevant ISO certifications.
Service and Lifecycle Information
Notes on service adapters and the designed lifetime of burner controls.
Disposal Notes
Instructions for the proper disposal of electrical and electronic components.
Mechanical Design and Product Summary
Mechanical Design
Describes the housing material, plug-in design, and components.
Indication and Diagnostics
Details on how the burner controls provide operational status and fault messages.
Type Summary Table
Summarizes burner control types, voltage, capacity, and comparable LOA types.
Technical Data and Environmental Conditions
General Unit Data
Provides overall technical specifications like voltage, frequency, and weight.
Storage and Transport Conditions
Specifies environmental conditions for storage and transport.
Operation Conditions
Details environmental conditions during unit operation.
Functionality and Control Sequences
Startup and Operational Logic
Covers preconditions, undervoltage, intermittent operation, and fault sequences.
Resetting and Repetition Handling
Details how to reset the burner control and limits on operational repetitions.
Operation, Display, and Diagnostics
Operation and Status Indication
Explains the lockout reset button's role and LED indications for status.
Diagnostics of the Cause of Fault
Explains how to diagnose faults using LED blink codes and error codes.
Connection Diagrams and Control Sequences
LMO14 Connection and Control Sequence
Diagrams and sequences for LMO14 burner controls.
LMO24 Connection and Control Sequence
Diagrams and sequences for LMO24 burner controls.
LMO44 Connection and Control Sequence
Diagrams and sequences for LMO44 burner controls.
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