Siemens LGK16.335A27 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 LGK16.335A27 Specifications

General

Brand	Siemens
Model	LGK16.335A27
Category	Control Systems
Language	English

Summary

Burner Controls Overview

Product Features

Key features of the LOK16/LGK16 burner controls for medium to high capacity draft burners.

Application and Use Cases

Safety and Handling Instructions

General Warning Notes

Critical safety precautions for all operations involving the burner controls.

Specific Operational Notes

Guidance on upgrading plants and start repetition for flame loss.

Installation and Commissioning Procedures

Installation and Application Notes

Compliance and Standards

Applicable Directives and Standards

List of EU directives and standards the burner controls comply with.

General Technical Data

Unit Specifications

Electrical ratings, protection, weight, and mounting for LOK16/LGK16.

Technical Data - Flame Supervision

Flame Detector Parameters

Operating voltage, current, and cable length for flame detectors.

Detector Current Measurement

Technical Data - Current Measurement Details

Functional Principles

Self-Supervision Mechanism

Explanation of the self-checking flame supervision circuit.

Burner Startup Conditions

Startup Program - LOK16/LGK16

Standard Startup Sequence

Step-by-step process for burner startup with LOK16 and LGK16.

Startup Program - Pilot Burners

Interrupted Pilot Burner Sequence

Startup sequence for LGK16 with pilot burners.

Fault Detection and Lockout

Fault Indication and Lockout Types

Symbols and descriptions for various fault conditions and lockouts.

Lockout Sequence Visualization

Sequence Switch Lockout Indicators

Connection Diagrams - LOK16

LOK16 Wiring Schematics

Connection Diagrams - LGK16

LGK16 Wiring Schematics

Connection Diagrams - Combined Models

Program Sequence Timing Charts

LGK16 Timing Diagrams

LOK16 Timing Diagrams

Program Sequence Operation Modes