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CLEAN BURN CB-2500 - User Manual

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CLEAN BURN MODELS: CB-1750, CB-2500, and CB-3250
MULTI-OIL FURNACES
with CB-525-S2 BURNER
PUBLICATION DATE: 05/12/14, Rev. 14 CLEAN BURN PART # 43195
IMPORTANT FOR U.S. INSTALLATIONS: All installations must be made in accordance with state and local codes
which may differ from the information provided in this manual. Save these instructions for reference.
IMPORTANT FOR CANADIAN INSTALLATIONS: These instructions have been reviewed and accepted by
Underwriters' Laboratories of Canada as being appropriate for the installation of the ULC labelled products
identied herein. The use of these instructions for the installation of products NOT bearing the ULC label and
NOT identied herein may result in an unacceptable or hazardous installation.
IMPORTANT FOR CANADIAN INSTALLATIONS: The installation of this equipment is to be accomplished by
qualied personnel and in accordance with the regulation of authorities having jurisdiction and CSA Standard B 139,
Installation Code for Oil Burning Equipment.
WARNING: DO NOT assemble, install, operate, or maintain this equipment without rst
reading and understanding the information provided in this manual. Installation and
service must be accomplished by qualied personnel. Failure to follow all safety precautions
and procedures as stated in this manual may result in property damage, serious personal injury
or death.
OPERATOR'S MANUAL
IN THE VICINITY OF THIS OR ANY APPLIANCE !!
OR OTHER FLAMMABLE VAPORS AND LIQUIDS
DO NOT STORE GASOLINE
FOR YOUR SAFETY -
ENERGY SYSTEMS
www.cleanburn.com
I88435-D
USED-OIL BURNING
APPLIANCE
USED OIL-FIRED
FURNACE
LISTED
#MH15393 (N)

Table of Contents

Questions and Answers

Summary

Introduction to the Clean Burn Furnace Manual

Critical Safety Warning: Read Manual First

Emphasizes reading and understanding the manual before installation or operation.

General Safety Information and Precautions

Fire and Explosion Hazard Warnings

Specific warnings about flammable liquids, vapors, and hazardous materials.

Important Safety Warnings and Compliance

Installation Compliance: US & Canadian Standards

Lists US national/local codes and CSA standards for installation and maintenance.

Furnace Usage Guidelines and Regulations

Used Oil Tank Installation Safety

Used Oil Tank Installation Requirements

Mandates compliance with codes, UL standards, and tank size requirements.

Furnace Cabinet Safety Label Details

Hazardous Voltage Safety Warning

Warning about electrical shock hazards and precautions before servicing.

Fire and Burn Hazard Warnings

Precautions regarding clearances, fuel types, and hot gases during operation.

Entanglement Hazard Safety Warning

Safety advice regarding blower operation and guards to prevent injury.

SECTION 2: UNPACKING

SECTION 3: FURNACE ASSEMBLY

Installing CB-1750 and CB-2500 Blower Assembly

Installing Blower Safety Guards

Emphasizes the importance of installing blower guards for safe operation.

Installing the CB-3250 Blower Assembly

Wiring the CB-3250 Blower Motor

Instructions for wiring the CB-3250 blower motor based on voltage supply.

Determining the Air Discharge Configuration

Installing the Energy Retention Disc

Installing the Burner Assembly

Mounting the Burner on the Hinge Bracket

Installing Connector Block and Oil Lines

Locking the Burner into Firing Position

SECTION 4: FURNACE INSTALLATION

Installation Compliance Warnings

Critical warnings regarding qualified personnel, codes, and standards for installation.

Selecting a Furnace Location

Clearances from Combustibles

Minimum required clearances from combustible surfaces for safe installation.

Mounting the Furnace

Platform and Floor Mounting Options

Floor Mounting and Non-Combustible Floor Construction

Steps for constructing a non-combustible floor and floor mounting the furnace.

Oil Tank Installation Specifications

Tank Installation Standards and Codes

Mandates compliance with codes, UL standards, and tank size requirements.

Installing the Metering Pump

Wiring the Furnace and Metering Pump

Wiring the Furnace Electrical Connections

Steps for connecting the dedicated electrical circuit to the furnace junction boxes.

Wiring the Metering Pump Circuit

Critical warnings and instructions for wiring the pump's circuit from the furnace.

Installing Suction Oil Line Components

Suction Oil Line Specifications and Requirements

Critical specifications for suction line installation, including lift and airtightness.

Installing Pressure Relief Oil Line

Installing the Compressed Air Line

Compressed Air Line Requirements

Minimum requirements for air pressure, water traps, and regulators for the air line.

Installing the Furnace Stack

Stack Design and Specification Details

Details on stack size, height, horizontal runs, and turn limitations for optimal draft.

Installing the Interior Stack Components

Installing the Barometric Damper

Steps for installing the barometric damper in the stack tee for draft control.

Installing Stack Safety Switch for Canadian Installations

Installing the Optional Draft Inducer

Installing the Wall Thermostat

SECTION 5: METERING PUMP PRIMING

Priming the Metering Pump Steps

Metering Pump Priming Precautions

Emphasizes precision and avoiding dry running to prevent pump damage.

Vacuum Testing the Oil Pump

Purpose of Vacuum Testing the Oil Pump

Explains what vacuum testing determines regarding pump condition and fitting airtightness.

Vacuum Test Procedure Steps

Step-by-step instructions for performing the vacuum test on the oil pump system.

SECTION 6: STARTING AND ADJUSTING THE BURNER

Preparing the Burner for Startup

Initial steps before starting the burner, including thermostat and preheater checks.

Starting and Adjusting the Burner

Adjusting the Air Regulator

How to adjust the air regulator clockwise for proper operating air pressure.

Observing Flame Length and Adjustment

Guidance on visually inspecting flame length and potential adjustments.

Fine-Tuning Combustion Air and Smokeless Burn

Fine Tuning Combustion Air Band

Adjusting the air band for optimal flame characteristics (yellow-white, sharp tips).

SECTION 7: RESETTING THE FURNACE AND BURNER

Resetting the Oil Primary Control

Steps to safely reset the oil primary control after a flame-out lockout.

Hi-Temp Limit Switches Function

SECTION 8: ADJUSTING THE DRAFT OVERFIRE

Checking for Correct Draft Overfire

How to check draft overfire using a draft gauge and the importance of proper draft.

Adjusting the Barometric Damper

Barometric Damper Adjustment Procedure

Steps to adjust the weight on the damper to achieve a consistent draft reading.

Solving Draft Overfire Problems

Effect of Exhaust Fans on Furnace Draft

Checking Draft for Backdraft Severity

Procedure to determine backdraft severity caused by exhaust fans.

Installing a Make-up Air Louver

SECTION 9: MAINTENANCE

Periodic Burner Inspection

Cleaning the Canister Filter

Servicing the Metering Pump

Cleaning Check Valve and Screen

Cleaning the Oil Supply Tank

Cleaning Ash from the Furnace

Cleaning Ash from Stack and Combustion Chamber

Annual Burner Tune-up

SECTION 10: TROUBLESHOOTING

Troubleshooting: Burner Not Running

Burner Wont Run, No Power Issue

Addresses issues when the burner won't run and the green power light is off.

Burner Wont Run, Power On Issue

Addresses issues when the burner won't run but the green power light is on.

Troubleshooting: Burner Shutdowns

Burner Shuts Off Within 15 Seconds

Diagnoses and resolves issues where the burner shuts off shortly after ignition.

Troubleshooting: Burner Resets

Troubleshooting: Pump Priming Issues

Pump Will Not Prime, Motor Running Issue

Diagnoses and resolves issues when the pump motor runs but the pump won't prime.

Troubleshooting: Pump and Blower Issues

Pump Will Not Prime, Motor Not Running Issue

Addresses issues when the pump will not prime and the motor is not running.

Burner Components (continued)

Understanding the Oil Primary Control

Installing and Wiring the Primary Control

Warnings and steps for wiring the primary control, including safety precautions.

Troubleshooting the Oil Primary Control

Burner Control Not Starting Issues

Troubleshooting steps when the burner control will not start or shows lockout.

CLEAN BURN CB-2500 Specifications

General IconGeneral
BrandCLEAN BURN
ModelCB-2500
CategoryFurnace
LanguageEnglish

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