Eclipse Combustion RatioMatic RM Series Design Manual

Design Guide

No. 110, 4/98

L00002

Eclipse RatioMatic Burners

RM Series Version 3.00

COPYRIGHT

Copyright I998 by Eclipse Combustion, Inc. All rights
reserved worldwide. This publication is protected by federal
regulation and shall not be copied, distributed, transmitted,
transcribed or translated into any human or computer
language, in any form or by any means, to any third parties,
without the express written consent of Eclipse
Combustion, Inc., Rockford, Illinois, U.S.A.

DISCLAIMER NOTICE

LIABILITY AND
WARRANTY

We reserve the right to change the construction and/or
configuration of our products at any time without being
obliged to adjust earlier supplies accordingly.

The material in this manual is believed adequate for the
intended use of the product. If the product, or its individual
modules or procedures, are used for purposes other than
those specified herein, confirmation of their validity and
suitability must be obtained. Eclipse Combustion, Inc.
warrants that the material itself does not infringe any United
States patents. No further warranty is expressed or implied.

We have made every effort to make this manual as accurate
and complete as possible. Should you find errors or
omissions, please bring them to our attention so that we
may correct them. In this way we hope to improve our
product documentation for the benefit of our customers.
Please send your corrections and comments to our
Documentation Manager.

It must be understood that Eclipse Combustion’s liability for its
products, whether due to breach of warranty, negligence, strict
liability, or otherwise, is limited to the furnishing of such
replacement parts and Eclipse Combustion will not be liable for
any other injury, loss, damage or expenses, whether direct or
consequential, including but not limited to loss of use, income
of or damage to material arising in connection with the sale,
installation, use of, inability to use or the repair or replacement
of Eclipse Combustion’s products.

ii

Any operation expressly prohibited in this Guide, any
adjustment, or assembly procedures not recommended or
authorized in these instructions shall void the warranty.

Eclipse RatioMatic v3.00 - Design Guide No. 110, 04/98

About this manual

AUDIENCE

RATIOMATIC
DOCUMENTS

This manual has been written for people who are already
familiar with all aspects of a nozzle-mix burner and its add-on
components, also referred to as “the burner system.”

These aspects are:

• design/selection

• use

• maintenance.

The audience is expected to have had experience with this kind
of equipment.

Design Guide No. 110

• This document

RatioMatic Data Sheets, Series 110

• Available for individual RM models

• Required to complete design & selection

Installation Guide No. 110

Used with Data Sheet to complete installation

RELATED DOCUMENTS

RatioMatic Price List No. 110

Used to order burners

• EFE 825 (Combustion Engineering Guide)

• Eclipse Bulletins and Info Guides: 710, 732, 742, 760, 818,

832, 852, 854, 856, 610, 620, 630, 826, 820, 930, I-354.

Purpose

The purpose of this manual is to ensure that the design of a
safe, effective, and trouble-free combustion system is carried
out.

Eclipse RatioMatic v3.00 - Design Guide No. 110, 4/98

iii

DOCUMENT
CONVENTIONS

There are several special symbols in this document. You must
know their meaning and importance.

The explanation of these symbols follows below. Please read it
thoroughly.

Danger:
Indicates hazards or unsafe practices which

WILL result in severe personal injury or even
death. Only qualified and well trained personnel
are allowed to carry out these instructions or
procedures.
Act with great care and follow the instructions.

Warning:
Indicates hazards or unsafe pratices which could

result in severe personal injury or damage.
Act with great care and follow the instructions.

Caution:
Indicates hazards or unsafe practices which could result in
damage to the machine or minor personal injury, Act
carefully.

HOW TO GET HELP

Note:
Indicates an important part of the text. Read thoroughly.

If you need help, contact your local Eclipse Combustion
representative. You can also contact Eclipse Combustion at any
of the addresses listed on the back of this document.

iv

Eclipse RatioMatic v3.00 - Design Guide No. 110, 04/98

Table of Contents

About this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii

Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

RatioMatic Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

Related Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iii

Document Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . iv

How to Get Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv

Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

1

2

3

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2

Operator Training . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2

System Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Step 1: Burner Option Selection . . . . . . . . . . . . . . . . . . . . 3-2

Step 2: Blower Option Selection . . . . . . . . . . . . . . . . . . . . 3-4

Step 3: Control Methodology . . . . . . . . . . . . . . . . . . . . . .3-5

Step 4: Ignition System . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

Step 5: Flame Monitoring Control System . . . . . . . . . . . . 3-8

Step 6: Main Gas Shut-Off Valve Train . . . . . . . . . . . . . . . . 3-9

Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Conversion Factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Key to System Schematics . . . . . . . . . . . . . . . . . . . . . . . . . A-2

Eclipse RatioMatic v3.00 - Design Guide No. 110, 4/98

v

Introduction

11

1

11

PRODUCT DESCRIPTION

The RatioMatic Version 3.00 is a nozzle-mix type burner
designed for direct air heating, indirect air heating, and oven
applications up to 1800° F. (1000° C.)

The burner package includes a combustion air blower and an
air:gas ratio regulator to fire over a wide gas turndown range at
a controlled ratio.

The burner is designed for:

• efficient ratio controlled combustion

• reliable burner operation

• simple burner adjustment

• direct spark ignition

• multiple fuel capability

A wide variety of options and configurations are available due
to the modular design of the burner.

The RatioMatic Burner

1-1

Eclipse RatioMatic v3.00 - Design Guide No. 110, 4/98

Safety

22

2

22

INTRODUCTION

SAFETY

This section is provided as a guide for the safe operation of
the RatioMatic burner system. All involved personnel should
read this section carefully before operating this system.

Danger:
The RatioMatic burners, described herein, are

designed to mix fuel with air and burn the
resulting mixture. All fuel burning devices are
capable of producing fires and explosions if
improperly applied, installed, adjusted,
controlled, or maintained.

Do not bypass any safety feature; fire or
explosion could result.

Never try to light a burner if it shows signs of
damage or malfunction.

Warning:
The burner might have HOT surfaces. Always

wear protective clothing when approaching the
burner.

Note:
This manual provides information in the use of these
burners for their specific design purpose. Do not deviate
from any instructions or application limits described herein
without written advice from Eclipse Combustion.

Read the entire manual before attempting to start this
system. If you do not understand any part of the
information contained in this manual, contact your local
Eclipse representative or Eclipse Combustion before
continuing.

Eclipse RatioMatic v3.00 - Design Guide No. 110, 4/98

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