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Contents
WARNING
Important Notices About Safe Burner Operation
For Ratiomatic Serial Numbers 95-5500 and Above
Version 1.01
3.0 Installation ............................................................. page 6
4.0 Start-Up and Adjustment ...................................... page 8
5.0 Trouble-Shooting .................................................. page 13
6.0 Maintenance .......................................................... page 14
7.0 Servicing ................................................................ page 15
The burners covered in this Guide are designed to mix fuel with air and
burn the resulting mixture. All fuel burning devices are capable of pro-
ducing explosions and fires when improperly applied, installed, adjusted,
controlled, or maintained. This Guide will provide information for using
these burners for their limited design purpose. Do not deviate from any
instructions or application limits in this Guide without written advice from
the Eclipse Combustion, Inc. Read this entire Guide before attempting to
light burners. If you do not understand any part of the information in this
Guide, contact your local Eclipse representative or Eclipse Combustion,
Inc., before proceeding further.
Store the burner inside. Exposure to the elements can damage the burner.
Adjustment, maintenance, and troubleshooting of the mechanical parts of this
unit should be done by people with good mechanical aptitude and experience
with combustion equipment.
Order replacement parts from Eclipse Combustion, Inc., only. Any customer-
supplied valves or switches should carry UL, FM , CSA, and/or CGA approval where
applicable.
The best safety precaution is an alert and competent operator. Thoroughly in-
struct new operators so they demonstrate an adequate understanding of the
equipment and its operation. Regular retraining must be scheduled to maintain a
high degree of proficiency. The operator must have easy access to this Informa-
tion Guide at all times.
7/97
1

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Summarization of Contents

1.0 Operating Parameters & Requirements
Chamber Temperatures
Specifies maximum operating temperatures for cast head, alloy firing tube, and refractory block.
Process Air Velocity
Defines the maximum process air velocity allowed past the burner.
Electrical Requirements
Outlines electrical specifications for blower and control motors, and ignition voltage.
Burner Environment
Covers ambient temperature limits, weather protection, combustion air, and room openings.
Capacities & Pressures
Details burner capacities and pressure requirements in English and Metric units.
2.0 Burner Operation and Controls
Turndown Method
Explains how Ratiomatic burners achieve turndown using temperature control systems.
Control Motor Requirements
Specifies stroke, timing, and mounting for control motors.
Piloting
Details requirements for pilot gas valve train and adjustment.
Flame Monitoring
Discusses flame sensing devices like flame rods and UV scanners.
Main Gas Valve Train
Requirements for gas supply valve train and precautions for regulators.
Limit Controls
States compliance requirements for safety and limit controls.
Blower Shut-Off
Procedure for shutting down the blower to prevent overheating.
3.0 Installation
Burner Mounting
Instructions for mounting the burner, supporting piping, and reinforcing walls.
Blower Wiring
Ensures correct wiring for blower motor rotation.
Control Motors
Notes on factory mounting or separate ordering of motors.
Combustion Air Filters
Mentions factory mounting or separate ordering of filters.
Low/High Fire Limit Switches
Notes on factory mounting or separate ordering of switches.
Air Flow Switch
Loose shipping and connection instructions for the air flow switch.
Main Gas Valve Trains
Installation requirements for gas valve trains and piping.
Pilot Valve Trains
Recommended connection for pilot gas valve train.
Flame Rod and U.V. Scanner
Guidance on mounting UV scanners and pipe nipples.
Spark Plug
Instruction regarding pipe dope on spark plug threads.
General Piping Suggestions
Guidelines for valve installation and gas piping compliance.
General Wiring Suggestions
Guidelines for electrical wiring compliance.
4.0 Start-Up And Adjustment
Step 1: Initial Settings
Procedure for setting initial parameters like pilot input, air flow, and gas flow.
Step 2: Adjust Low Fire Air Setting
Procedure to adjust the air butterfly valve for proper low fire air settings.
Step 3: Adjust Pilot
Instructions for adjusting pilot gas flow for reliable ignition.
Step 4: Set High Fire Gas
Procedure to set the high fire gas differential pressure.
Step 5: Adjust Low Fire Flame
Adjusting the ratio regulator bias screw for proper low fire flame.
Step 6: Check Settings & Shut Down
Procedure to cycle the burner, check settings repeatability, and shut down safely.
5.0 Trouble-shooting
Pilot Fails to Light
Lists common causes and solutions when the pilot fails to light.
Main Flame Fails to Light
Identifies reasons for main flame failure during burner cycles.
Low Fire Flame Issues
Addresses problems with weak, unstable, long, or soft low fire flames.
Main Flame Issues at High Fire
Troubleshoots main flames that are too long, yellow, or too short at high fire.
Erratic Burner Behavior
Diagnoses causes for burners behaving erratically or not responding to adjustments.
6.0 Maintenance
Maintenance Program Overview
Outlines a preventative maintenance program for equipment reliability.
Check Pressure Settings
Procedure to check burner high and low fire air and gas settings.
Check Filters
Instructions to examine, clean, or replace air and gas filter elements.
Check Pipes for Leaks
Procedure to check all piping connections for leaks.
Check Flame Supervision Equipment
Tests the flame supervision system's ability to function by simulating failures.
Check Bolts & Screws
Ensures all bolts and screws are checked for tightness.
Check for Overheating
Inspects the area around the burner mounting flange for signs of overheating.
7.0 Servicing
Blower Motor Replacement
Guidance on replacing the blower motor with equivalent rated motors.
Filter Element Replacement
Refers to Figure 6 for instructions on filter element replacement.
Spark Plug & Flame Rod Replacement
Details replacement of ignition plugs and flame rods, recommending spares.