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Siemens LME39.100C2 User Manual

Siemens LME39.100C2
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 LME39.100C2 Specifications

General IconGeneral
BrandSiemens
ModelLME39.100C2
CategoryController
LanguageEnglish

Summary

Safety Notes

Warning notes

General warnings about unit operation, safety, and electrical hazards.

Engineering notes

Notes on using actuators and communication interfaces.

Mounting notes

Requirements for complying with national safety regulations during mounting.

Installation notes

Guidance on routing cables, wiring, earthing, and component connections.

Connection BCI via integrated jack RJ11

Details on using the RJ11 interface for BCI communication.

Electrical connection of flame detectors

Best practices for signal transmission and connecting flame detectors.

Commissioning notes

Crucial safety checks and points to verify before plant commissioning.

Standards and certificates

Lists applied directives, standards, and conformity marks.

Life cycle

Designed lifetime of burner controls and replacement recommendations.

Disposal notes

Guidelines for disposing of electronic components according to legislation.

Makeup of System and Functions

Use

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

Features

Key features and capabilities of the LME39... burner control.

Basic unit

Description of the LME39... housing, components, and connectivity.

Time parameters

Information on safety-related time parameters and their adjustment.

Indication and diagnostics

How the unit indicates status and faults, and diagnostic methods.

Communication/parameterization

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

Type Summary and Accessories

Type summary (other types on request)

Overview of product variants and their technical time parameters.

Connection accessories for small burner controls

Lists plug-in bases and cable holders for connecting the unit.

Service tools

Describes optical interfaces, BCI modules, and PC software for service.

Display and operating units

Details on various display and operating units (AZL21, AZL23).

Flame detector

Information on UV flame detectors (QRA series) and ionization probes.

Actuators

Lists different types of actuators (SQN series) with their data sheets.

Others

Lists other accessories like valve proving systems, RC units, PTC resistors, and ancillary units.

Technical Data

General unit data

Electrical specifications, mounting, degree of protection, and terminal ratings.

Signal cable AGV50... display → BCI

Specifications for the AGV50 signal cable used for display connection.

Environmental conditions

Climatic, mechanical, and operational conditions for storage, transport, and use.

Flame supervision with ionization probe

Technical data and operating principles for ionization flame supervision.

Measuring circuit

Diagram and components for the ionization probe measuring circuit.

Flame supervision with AGQ3.xA27 and flame detector QRA...

Technical data for UV flame supervision using AGQ3 and QRA detectors.

Functions and Operation

Preconditions for burner startup

Conditions that must be met before a burner can start.

Undervoltage

How undervoltage affects operation and safety shutdown.

Controlled intermittent operation

Automatic shutdown and restart after 24 hours of continuous operation.

Control sequence in the event of fault

Describes responses to various fault conditions and lockout codes.

Resetting the burner control

Procedures for resetting the unit after a fault or lockout.

Limitation of repetitions (can be parameterized)

How repetitions of startup attempts are handled and limited.

Duty of PC software

Role and basic tasks of the ACS410 PC software for burner controls.

Operation, Indication, and Diagnostics

Operation

Overview of operation, lockout reset button, and diagnostics choices.

Operational status indication

How the unit indicates status via multicolor signal lamp (LED).

Diagnostics of cause of fault

Steps to activate visual and interface diagnostics to identify faults.

Connection Diagrams and Sequences

Program sequence (LME39.100)

Detailed program sequence showing phase numbers, parameters, and terminal states.

Inputs and outputs/internal connection diagram (LME39.100)

Internal wiring diagram showing connections and logic.

Application examples

Wiring diagrams for common applications with actuators.

Application LME39.100... with LDU11...

Specific application example using the LDU11 system.

Program sequence (LME39.400)

Program sequence for LME39.400, showing phases and terminal states.

Application example

Wiring example for burners with fan control via auxiliary contactor.

Legend and Dimensions

Legend

Explains symbols and abbreviations used in diagrams and text.

LME39...

Mechanical dimensions of the LME39... unit in mm.

LME39... with lockout reset button extension AGK20...

Dimensions of the unit with AGK20 extension.

Ancillary unit AGQ3.xA27

Mechanical dimensions of the AGQ3.xA27 ancillary unit.

Operation via the AZL2

Description of the unit/display and buttons

Details on the AZL2 unit's display, buttons, and their functions.

Meaning of symbols on the display

Explains the various symbols shown on the AZL2 unit's display.

Manual lockout

Procedure for manually initiating a lockout via the unit.

Operation Modes

Normal display

Standard display modes including standby and startup/shutdown phases.

Display in standby mode

How the unit is displayed when in standby mode.

Display during startup/shutdown

Shows program phases and controlled components during startup/shutdown.

List of phase displays

Table detailing the meaning of each program phase (Ph1, Ph2, etc.).

Display of operating position

How the display shows operation stages (oP: P1, oP: P2).

Fault status messages, display of errors and info

Shows how faults and lockout status are displayed.

Reset

Procedures for resetting the unit after errors or faults.

Menu-driven Operation

Assignment of levels

Diagram showing how to navigate between Standby, Info, Service, Operating, and Parameter levels.

Info Level

Display of info level

How to access and navigate the Info level display.

Identification date

How to display the program sequence creation date.

Identification number

How to display the identification number.

Identification of burner

How to display the burner ID.

Number of startups resettable

How to view and reset the resettable startup count.

Total number of startups

How to display the total number of startups.

End of info level

How to exit the Info level and return to operating mode.

Service Level

Display of the service level

How to access and navigate the Service level.

Display of service values

How to view error history entries.

Error history

How to view error history entries.

Mains voltage

How to display the mains voltage.

Intensity of flame

How to display the flame intensity reading.

End of service level

How to exit the Service level.

Parameter Level and Password Management

Parameter level

Accessing and changing parameters, OEM settings. Caution and Warning notes.

Entering the password

Step-by-step guide for entering OEM and heating engineer passwords.

Changing the heating engineer's password

Procedure to change the heating engineer's password.

Changing the OEM's password

Procedure to change the OEM's password.

Parameter Operation

Parameters without index, with direct display

How to view and edit preignition time (parameter 226).

Example of parameter 226 (preignition time) on the parameter level

How to view and edit preignition time (parameter 226).

Parameters without index, with no direct display

How to view and edit air pressure time (parameter 224).

Example of parameter 224 (max. time until air pressure on) on the parameter level

How to view and edit air pressure time (parameter 224).

Parameters with index, with or without direct display

How to view actual errors and diagnostic codes (parameter 701).

Example of parameter 701 (actual error) on the service level

How to view actual errors and diagnostic codes (parameter 701).

Error Code List

Error code list

Table listing error codes, clear text, and potential causes.

Parameter List

LME39.100...

Comprehensive list of parameters for LME39.100, their numbers, ranges, and settings.

LME39.400...

Comprehensive list of parameters for LME39.400, their numbers, ranges, and settings.

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