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Bradford White IGI-180R-10 User Manual

Bradford White IGI-180R-10
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1
SERVICE
MANUAL
Tankless Gas Water Heater
Troubleshooting Guide
and Instruction for Service
(To be performed ONLY by qualified service providers)
For the Bradford White EverHot
®
Interior Tankless
Gas Water Heater Models:
IGI-180R-10(N,X) IGI-180C-5(N,X)
Manual 45095A
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Bradford White IGI-180R-10 Specifications

General IconGeneral
BrandBradford White
ModelIGI-180R-10
CategoryWater Heater
LanguageEnglish

Summary

Glossary of Terms and Symbols

General Information

How to Use This Manual

Explains the structure and purpose of the manual for service personnel.

Cut-Away Illustration

Provides a visual representation of the water heater's internal components.

Schematic Illustration

Presents a technical diagram illustrating the electrical and fluidic connections.

Specifications - General

Specifications - Combustion

Details gas consumption, injector sizes, and gas pressure settings for combustion.

Dip Switch Settings

Outlines factory default settings for residential and commercial units.

Venting Table

Provides examples of maximum venting distances with various elbow combinations.

Main Components

Component Descriptions

Details mechanical regulator, burner, gas control valve, and other key parts.

Combustion Fan and Water Flow Control

Explains the function of the combustion fan and water flow sensor/control device.

Safety Device Function

Flame Failure and Overheat Protection

Describes flame rod monitoring and overheat protection switch functions.

Thermal Fuse and Fan Checks

Explains thermal fuse operation and combustion fan revolution check.

Automatic Frost Protection

Details anti-frost heaters and the unit's freeze protection features.

Over Temperature Cut-Off

Describes the automatic shutdown when outlet water temperature is too high.

Sequence of Operation

Operation Sequence Flow Chart

Illustrates the step-by-step operational sequence of the water heater.

Sequence Timing Chart

Provides timing diagrams for normal and error sequences.

Troubleshooting

Error Messages and Remedies

Lists error codes, their faults, and recommended remedies.

Quick Reference Diagnostic Points

Offers resistance and voltage readings for key components.

Troubleshooting Flow Chart

Provides a step-by-step diagnostic flow for various faults.

Troubleshooting Procedure

Outlines procedures for common operational failures like no combustion.

Gas Pressure Setting Procedure

Service Procedure

Component Removal Procedures

Provides step-by-step guides for removing major internal components.

Ignition, Fan, and Transformer Removal

Details removal of ignition module, combustion fan, and transformer.

Burner, Gas Valve, and Heat Exchanger Removal

Covers removal of burner, gas valve assembly, and heat exchanger.

Thermal Fuse Removal

Outlines the process for removing and replacing the thermal fuse.

Flushing Procedure for Lime Scale Removal

Parts Breakdown

Cabinet and Internal Views

Shows exploded views of the cabinet and internal mechanical assemblies.

Electrical Components and Parts List

Illustrates electrical components and provides a comprehensive parts list.

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