Siemens LGK16 Series User Manual

CC1N7785en
20.11.2017
Building Technologies Division
7
785
Burner Controls LOK16...
LGK16...
Burner controls
 For gas, oil or dual-fuel forced draft burners of medium to high capacity
 For multistage or modulating burners in continuous operation
 With air pressure supervision for checked air damper control.
 Flame supervision
- LOK16: With silicon detector RAR
- LGK16: With flame detector QRA53/QRA55/ionization probe
 Burner control for oil burners or gas burners in accordance with EN 298:2012
 Suitable for use with air heaters (WLE)
 With self-checking flame signal amplifier
The LOK16.../LGK16... and this Data Sheet are intended for use by OEMs which
integrate the burner controls in their products.

Siemens LGK16 Series Specifications

General

Brand	Siemens
Model	LGK16 Series
Category	Control Systems
Language	English

Summary

Burner Controls Introduction

Safety, Mounting, and Handling Precautions

Critical Warning and Safety Notes

Essential safety precautions for handling, installation, and operation to prevent hazards.

Installation and Flame Loss Management

Guidelines for mounting, upgrading, and managing flame loss during operation.

Operational Guidelines

Installation, Application, and Commissioning

Covers installation, application, flame detector connections, and commissioning safety checks.

Type Specifications and Switching Times

LOK16 Series Type Specifications

LGK16 Series Type Specifications

General Technical Data

Unit Specifications and Environmental Conditions

Covers mains voltage, fuse, weight, and environmental/operating conditions.

Flame Supervision Technical Data

Flame Detector Operating Parameters

Details operating voltage, currents, and cable length limits for flame supervision.

Detector Current Measurement Circuits

Functional Principles and Startup Requirements

Self-Supervision Principle Explained

Startup Program Sequences

Expanding Flame Burner Startup Logic

Interrupted Pilot Burner Startup Logic

Fault Detection and Lockout Management

Fault Identification and Causes

Explains fault symbols, common causes, and lockout conditions in the control sequence.

Lockout Indication and Reset Procedures

Describes lockout indicator positions, sequence switch behavior, and reset operations.

Connection Diagrams and Wiring

LGK16 and LOK16 Wiring Schematics

Provides detailed electrical connection diagrams for LGK16 and LOK16 burner controls.

Program Sequence Charts

Sequence Timings and Control Outputs

Program Sequence Examples