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Webster JBE Series User Manual

Webster JBE Series
56 pages
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Webster Combustion Technology
619 Industrial Road, Wineld, KS 67156
Operation, Maintenance & Installation Manual
Model JBE(X)
Forced Draft Burners
High Swirl Combustion Head
Manual Part No. 950107
www.webster-engineering.com
July, 2017
2017 All Rights Reserved
C

Table of Contents

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Webster JBE Series Specifications

General IconGeneral
BrandWebster
ModelJBE Series
CategoryBurner
LanguageEnglish

Summary

Safety Precautions

Hazard Symbols

Identifies potential hazards with symbols.

General Safety Guidelines

Outlines essential safety practices for burner operation and maintenance.

Maintenance Safety Procedures

Specifies critical steps to take before disconnecting or opening fuel lines.

General Information

Nameplate and Ratings

Explains burner identification details and performance ratings.

Safety and Installation Requirements

Emphasizes technician qualifications and adherence to installation codes.

Product Overview and Support

Covers burner capabilities, supporting documentation, and service contacts.

Burner Model Configuration

Model Designation Breakdown

Details the coding system used in burner model numbers for configuration.

Burner Components Description

General Component Overview

Introduces common components and their variations based on capacity.

Combustion Air and Windbox

Explains the function and components of the combustion air fan and windbox.

Burner Drawer Assembly and Diffuser

Details the burner drawer, its components, and diffuser adjustments.

Gas Fuel Train Components

Covers the gas manifold, spuds, valves, and pressure switches.

Oil Fuel System Components

Describes oil pump, pressure regulator, and oil train components.

Flue Gas Recirculation (FGR) System

Explains FGR adapter, tubes, valves, and ducting for NOx reduction.

Fuel-Air-Ratio Control Mechanisms

Covers linkage, jackshaft, fuel cams, and modulating motors for combustion control.

Electrical Controls and Panel

Details the control panel, flame safeguard, switches, and relays.

Electrical Support Components

Covers junction boxes, potentiometers, transformers, and alarms.

Installation Procedures

General Installation Planning

Covers planning, clearances, combustion air requirements, and notification procedures.

Refractory, Mounting, and Piping Installation

Details installation of refractory, burner mounting, gas, and oil piping.

Fuel System and FGR Duct Installation

Covers installation for oil systems, gas pilot, and FGR duct sizing and routing.

Draft, Stack, and Electrical System Installation

Addresses stack connections, draft control, and electrical system installation.

Fuel and Control System Operations

Gas Fuel System Overview

Introduces common components of gas fuel systems like regulators and valves.

Gas Pilot and Pressure Atomized Oil Systems

Covers gas pilot systems and pressure atomized oil system operations.

Air Atomized Oil System Description

Details the air atomizing oil system and its components.

Fuel-Air-Ratio and Electrical Controls

Details fuel-air ratio controls and electrical control components.

Operating Controls and Flame Safeguards

Explains operating controls, modulating controls, and flame safeguard functions.

Preliminary Burner Adjustments

Initial Visual and Drawer Checks

Inspects burner for loose connections, fuel lines, mounting, and drawer assembly security.

Motor Rotation and Initial Control Settings

Checks motor rotation and initial positions of fuel, FGR, and air controls.

Fuel Cam and Air Damper Adjustments

Details adjustments for fuel cams and air damper for proper low fire settings.

Pilot, Gas, Oil, and Air Proving Adjustments

Covers adjustments for pilot, gas pressure, oil pressure, and air proving switch.

Operating Control Settings

Explains how to set operating and modulating controls for burner cycling.

Startup and Operating Adjustments

Pre-Start Checks and Linkage Adjustments

Lists pre-startup checks and details linkage adjustments for valve control.

Fuel Cam, FGR, and Drawer Adjustments

Covers fuel cam, FGR, and burner drawer adjustments for optimal combustion.

Fuel Setup Procedures

Outlines setup procedures for single fuel and combination gas/oil burners.

Gas and Oil System Setup

Details the step-by-step setup for gas, pressure atomized oil, and air atomized oil systems.

Control, Limit, and Pilot Tests

Covers adjustments for operating controls, testing limit switches, and pilot performance.

Shutdown and Restart Procedures

Describes normal and emergency burner shutdown, and procedures for restarting after extended periods.

Maintenance Procedures

General Inspection and Control Maintenance

Emphasizes logging, visual inspections, and maintaining fuel-air-ratio controls for reliability.

Fuel System Maintenance and Checks

Covers inspection of gas fuel systems (interlocks, drip legs) and oil fuel systems (compressor, strainers, nozzles).

FGR System and Fan Maintenance

Details inspection of FGR components for corrosion and guidelines for fan/motor re-assembly.

Maintenance Schedule and Component Checks

Provides a detailed schedule for routine inspection and testing of burner components.

Combustion Analysis Chart

Burner Troubleshooting Guide

Ignition, Flame, and Pilot Issues

Addresses problems with ignition, spark, flame presence, pilot detection, and gas/oil flame failure.

Operational and Startup Troubleshooting

Covers issues like burner stuck at low fire, unexpected shutdowns, and failure to start.

Combustion and Airflow Diagnostics

Addresses high CO, gas noise, oil smoking, and inconsistent fuel-air ratios.

Capacity and Ratio Adjustment Issues

Solves problems related to achieving rated capacity and maintaining consistent fuel-air ratios.

Air Atomized Oil Capacity and NOx Issues

Addresses issues with air atomized oil capacity and achieving specified NOx levels on gas.

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