Siemens LMV52.200A2 User Manual

Based on the following
software versions:
LMV51... : V02.30
LMV52...: V01.10
Int. LC: V01.60
Int. VSD module: V01.30
AZL51...: V02.50
AZL52...: V03.80
PLL52...: V01.20
CC1P7550en
13.08.2004
Siemens Building Technologies
HVAC Products
LMV51...
Burner Control with integrated Fuel / Air Ratio
Control and Load Control for Forced Draft Burners
LMV52...
Burner Control with integrated Fuel / Air Ratio
Control and Load Control including O2 Trim Control
for Forced Draft Burners
Basic Documentation
The LMV5... and this Basic Documentation are intended for OEMs which integrate
the system in their products!

Siemens LMV52.200A2 Specifications

General

Number of Digital Inputs	8
Number of Analog Inputs	2
Weight	Approx. 0.8 kg
Category	Control Unit
Power Consumption	15 VA
Ambient Temperature Range	-20 to +60 °C
Safety Category	SIL 2
Communication Interface	Modbus RTU
Application	Control of burners and heating systems

Summary

Safety notes

Warnings

General warnings to prevent damage to persons, property, or the environment.

General

Brief description

Overview of the LMV5... system, its components, and safety concept.

Product range overview

List and description of system components like PC tools, cables, sensors, and modules.

Burner control

Description of inputs and outputs

Details the basic characteristics of the burner control's inputs and outputs.

Digital inputs

Description of various digital inputs and their functions for burner control.

Digital outputs

Description of various digital outputs and their functions for burner control.

Fuel / air ratio control (FARC)

Program sequence

Describes how program phases are controlled and advance in tune with the FARC system.

Position check

Temperature or pressure controller (internal load controller LC)

Operating modes with the load controller

Control (characteristics)

Connection terminals / coding of connectors

Connection terminals of the LMV51.000x1 / LMV51.040x1

Connection terminals of the LMV51.100x1 / LMV51.140x1

Connection terminals of the LMV52.200A2 / LMV52.240A2

Mounting, electrical installation and service

Installation

Electrical connections and wiring

Duties of the authorized inspector

Correct parameterization of the system

Technical data

Addendum 1: List of fault status messages of LMV5... system

Addendum 3: Variable speed drive (VSD) module

VSD module

Addendum 4: LMV52... with O2 trim control and O2 module

General

Overview of the LMV52... system features including O2 trim control.

Functioning principle of O2 trim control

Explains how O2 trim control reduces combustion air based on O2 setpoint differences.