Siemens LMV20

Service manual
AZL2x - LMV2x/3x
Burner Management System
M
12916CD Rev. 3.4 03/2023

Siemens LMV20 Specifications

General

Brand	Siemens
Model	LMV20
Category	Control Unit
Language	English

Summary

Dangers, Warnings, and Notes of Caution

General Introduction and Safety Guidelines

Essential safety guidelines and general introduction to the equipment.

Special Instructions for Burners

Specific safety and operational guidelines for burner installation and use.

General Fuel Handling and Electrical Safety

Parameter Levels and Settings

Parameters Level Access (Heating Engineer)

Navigation and access methods for parameter levels for heating engineers.

Setting Menu Structure and Access Levels

Burner Control Parameter Blocks

Block 200: Burner Control

Configuration of burner operating modes, ignition sequences, and safety times.

Block 300: Burner Control (LMV26)

Block 400: Setting AirFuel Ratio Curves

Configuration of air and fuel actuator curves for optimal combustion.

Block 500: AirFuel Ratio Control

Block 600: Actuators

Burner Commissioning and Operation

Commissioning the Burner

Step-by-step guide for initial burner setup and programming.

Warm and Cold Setting Procedures

Procedures for setting the burner with flame (warm) and without flame (cold).

Burner Startup with Pre-programmed LMV

Steps for starting the burner when the LMV is already programmed.

System Management and Diagnostics

Reset, Lockout, and Timeout Functions

Parameter Backup and Restore

Error Code Table and Troubleshooting

Comprehensive list of error codes, their meanings, and remedies.