Siemens LGK16.622A27 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 LGK16.622A27 Specifications

General

Brand	Siemens
Model	LGK16.622A27
Category	Control Systems
Language	English

Summary

Burner Controls Overview

Product Use and Applications

Flame Supervision for LOK16

Flame Supervision for LGK16

General Safety Warnings

Mounting and Installation Notes

Flame Detector Electrical Connections

Commissioning Procedures

Commissioning and Compliance

Standards and Certifications

General Technical Data

Unit Specifications and Ratings

General specifications, voltage, frequency, fuse, weight, and protection ratings.

Environmental Operating Conditions

Technical Data: Flame Supervision

Flame Supervision Parameters

Operating voltage, current requirements, and cable lengths for flame supervision.

Detector Current Measurement

Information on measuring detector current for flame signals.

Measuring Circuit Details

Functional Principles

Principle of Self-Supervision

Explanation of the self-supervision mechanism within the burner control.

Burner Startup Prerequisites

Startup Program Logic

Startup Sequence for Expanding Flame Burners

Startup Program Logic (Continued)

Startup Sequence for Interrupted Pilot Burners

Fault Diagnosis and Lockout Control

Fault Diagnosis and Lockout Control (Continued)

Lockout Indication Mechanisms

Visual indicators and sequences used to show lockout conditions.

Connection Diagrams and Examples

Connection Diagrams and Examples (Continued)

Program Sequence Timings

Program Sequence Timings (Continued)

Sequence for Expanding Flame Burners

Sequence for Interrupted Pilot Burners

Document Legend and Symbols

Document Legend and Symbols (Continued)

Lockout Indication Symbol Meanings

Explains the meaning of lockout indication symbols and positions.

Key Timing Parameters Table