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Siemens LMV51 Series User Manual

Siemens LMV51 Series
327 pages
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Based on the following
software versions:
LMV50... : V10.30
LMV51... : V05.20
LMV51.3… : V05.20
LMV52.2.. : V05.20
LMV52.4... : V10.30
Int. LR module: V02.10
Int. VSD module: V01.50
AZL52...: V05.10
PLL52...: V01.50
CC1P7550en
22.05.2018
Building Technologies
LMV50… / LMV51... / LMV52…
Burner management system for forced draft
burners with the main functions:
- Burner control
- Fuel-air ration control
- Boiler controller / load controller
LMV50…
with specific functions for industrial applications
LMV52...
with additional O2 trim control
Basic Documentation
The LMV5 and this Basic Documentation are intended for OEMs which integrate
the burner controls in their products!

Table of Contents

Other manuals for Siemens LMV51 Series

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Siemens LMV51 Series Specifications

General IconGeneral
Frequency50/60 Hz
ApplicationBurner management systems
FuelGas, oil, dual fuel
Ambient Temperature-20…+60 °C
Analog Inputs2 (0/4…20 mA)
CommunicationModbus RTU
CertificationUL

Summary

Safety notes

Warnings

Crucial warnings and safety precautions for handling and operating the LMV5.

Mounting notes

Guidelines for proper physical installation and mounting of the LMV5 unit.

Installation notes

Essential instructions for electrical wiring and compliance with installation standards.

Burner control

Description of inputs and outputs

Details the burner control's inputs, outputs, and their functions.

Fuel-air ratio control (FARC)

Actuator addresses

Defines addresses and parameters for controlling actuators like air, fuel, and auxiliary.

Control sequence

Outlines the control sequence for actuators during idle, prepurge, and ignition phases.

Display and operating unit AZL5

Menu structure

Outlines the hierarchical structure of the AZL5 menu for navigation and settings.

Description of connection terminals (AC 120 V)

Mounting , electrical installation and service

Installation

General guidelines for installing the LMV5 unit, including protection and ambient temperature.

Electrical connections and wiring

Precautions for wiring, separation of voltages, and cable types.

VSD module

Inputs / outputs

Details the VSD module's inputs and outputs for speed and alarm signals.

Configuring the VSD

Instructions for configuring the VSD based on motor type and speed.

O2 trim control with LMV52 and PLL52

General

Introduces the O2 trim control system and its benefits for boiler efficiency.

Functioning principle of O2 trim control

Explains how O2 trim control adjusts air rate based on O2 setpoint.

Flue gas recirculation (FGR) function (LMV50/LMV51.3/LMV52)

Function principle of flue gas recirculation (FGR)

Explains the purpose and mechanism of flue gas recirculation for NOx reduction.

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