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Siemens LME39.400C2 User Manual

Siemens LME39.400C2
73 pages
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CC1P7106en
08.12.2017
Building Technologies Division
LME39…
Gas burner controls
Basic Documentation
The LME39… and this Basic Documentation are intended for use by OEMs which integrate the burner
controls in their products.

Table of Contents

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Siemens LME39.400C2 Specifications

General IconGeneral
BrandSiemens
ModelLME39.400C2
CategoryController
LanguageEnglish

Summary

LME39 Gas Burner Controls Basic Documentation

Supplementary Documentation

Safety Notes

General Safety and Installation Procedures

Combines warning, engineering, mounting, and installation notes for safe handling.

BCI Connection via Integrated Jack RJ11

Instructions for connecting the BCI interface via RJ11 jack and safety precautions.

Electrical Connection of Flame Detectors

Best practices for signal transmission and connection of flame detectors.

Commissioning Notes

Safety checks and points to verify before plant commissioning or maintenance.

Standards and Certificates

Overview of applied directives, standards, and conformity marks.

Life Cycle and Disposal Notes

Information on unit lifetime, replacement, and disposal guidelines.

Makeup of system/description of functions

Use of LME39 Burner Controls

Application of LME39... for startup and supervision of gas burners.

Features

Key features of the LME39... burner control system.

Basic unit

Time Parameters

Safety-related time parameters like prepurge and safety times.

Indication and diagnostics

Methods for operating and parameterizing the LME39... via AZL2... or ACS410.

Type summary (other types on request)

Accessories (to be ordered separately)

Connection accessories for small burner controls

Details on plug-in bases and cable holders for burner controls.

Display and operating units

Information on AZL21 and AZL23 display and operating units.

Flame detector

Various UV flame detectors and ionization probes for burner control.

Actuators

Information on SQN3, SQN7, and SQN9 actuators.

Others

Ancillary units, resistors, and cables like LDU11, AGK25, AGQ3, AGV50.

Technical data

General unit data

Electrical, mechanical, and environmental specifications for the LME39... unit.

Signal cable and Environmental Conditions

Specifications for signal cable and environmental requirements for operation.

Flame Supervision Methods

Data and principles for flame supervision using ionization probes and AGQ3/QRA detectors.

Functions

Burner Startup and Operation

Preconditions, undervoltage protection, and intermittent operation.

Fault Control and Reset

Fault sequences, lockout causes, and burner control reset procedures.

Limitation of Repetitions

Parameterized limits for repetitions in case of flame loss or failure to establish flame.

PC software ACS410

Duty of PC software

Functions of the ACS410 PC software for system operation and configuration.

Operation, indication, diagnostics

Operation Overview and Status Indication

Overview of controls and color codes for operational status and faults.

Diagnostics of Cause of Fault

Procedures for activating visual and interface diagnostics to identify fault causes.

Inputs and outputs/internal connection diagram/program sequence of LME39.100...

Program Sequence, Connections, and Examples

Diagrams for program sequence, I/O, and application examples for LME39.100.

Inputs and outputs/internal connection diagram/program sequence of LME39.400...

Program Sequence, Connections, and Examples

Diagrams for program sequence, I/O, and application examples for LME39.400.

Legend

Dimensions

Unit and Accessory Dimensions

Physical dimensions of the LME39 unit and its accessories.

Operation via the AZL2...

AZL2 Unit Description and Symbols

Explanation of the AZL2... unit's display, buttons, and symbols.

Special functions

Details on special functions like manual lockout.

Operation

Display Modes and Fault Messages

Normal, standby, startup/shutdown displays, operating position, and fault status.

Menu-driven operation

Assignment of Levels

How to navigate between Standby, Info, Service, Operating, and Parameter levels.

Info level

Info Level Navigation and Values

Accessing and viewing information like identification and startup counts.

Service level

Service Level Display and Values

Accessing the service level to view error history and specific values.

Parameter level

Password Management

Procedures for entering and changing user and OEM passwords.

Operating variants of the parameters

Parameter Display and Editing Methods

How to display and edit parameters with direct display, no direct display, or indices.

Error code list

Parameter list

LME39.100 and LME39.400 Parameters

Comprehensive parameter lists for LME39.100 and LME39.400 models.

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