Siemens LME73 User Manual

Software version 02.00
CC1P7105en
17.04.2018
Building Technologies
LME7…
Burner control
Basic Documentation
The LME7 and this Basic Documentation are intended for use by OEMs which
integrate the burner controls in their products.

Siemens LME73 Specifications

General

Application	Burner control
Fuel	Gas, Oil, Dual Fuel
Frequency	50/60 Hz
Restart	Automatic
Operating temperature	-20°C to +60°C
Storage temperature	-40°C to +85°C

Summary

LME7 Burner Control

Safety Notes

Warning notes

Important warnings to prevent injury, damage, or environmental harm.

Mounting notes

Guidelines and requirements for the proper mounting of the LME7 unit.

Installation notes

Instructions for safe and correct installation of the LME7 system components.

Commissioning notes

Key points to check before commissioning the LME7 system.

System makeup / function description

Features

Key features and integrated components of the LME7 basic unit.

Type summary

Burner controls overview

Summary of parameterized burner controls for various applications.

Technical data

Basic unit LME7 specifications

General technical specifications for the LME7 basic unit.

Terminal ratings (Inputs and Outputs)

Detailed ratings for the LME7's input and output terminals.

Function

Preconditions for burner startup and fault handling

Conditions for startup, undervoltage, faults, and resetting.

Operation, indication, and diagnostics

Diagnostics of cause of fault

Multistage or modulating mode with actuator

Relevant parameters and connection diagrams

Safety notes relating to operation of AZL2

Safety notes for AZL2 operation

Safety precautions for operating the AZL2 unit.

Operation via AZL2

Unit display, buttons, and symbols

Parameter level access and management

Accessing parameters, entering passwords, backup, restore, and changing settings.

Error code list with operation via external AZL2 display

Error code list

List of error codes and their possible causes.

Operation via internal LED

Display and button functions

Fault status messages and error display

Manual adjustment and backup/restore

First startup with new program module

Procedure for initial startup after installing a new program module.