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User manual Bradford-White Corp, model GAHH 40 100

Manafacture: Bradford-White Corp
File size: 11.52 mb
File name: 318181-000.pdf

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IF YOU ARE UNSUCCESSFUL, CONTACTA. O. SMITH WATER HEATERS RESIDENTIALTECHNICALASSISTANCE AT 1-800-527-1953 OR WWW.HOTWATER.COM. 2 SERVICE HANDBOOK Your safety and the safety of others is extremely important in the servicing of this water heater. Many safety-related messages and instructions have been provided in this handbook and on the water heater to warn you and others of a potential hazard. Read and obey all safety messages and instructions throughout this handbook. It is very important that the meaning of each safety message is understood by you and others who service this water heater. The information contained in this handbook is designed to answer commonly faced situations encountered in the operation of the standard Residential Gas product line and is not meant to be all-inclusive. If you are experiencing a problem not covered in this handbook, please contact the Technical Information Center listed on the back of this handbook for further assistance. Additional information is also available on the web site listed on the back of this handbook. This handbook is intended for use by licensed plumbing professionals and reference should be made to the Installation Instructions and Use & Care Guide accompanying the product. This handbook contains supplemental information to the Installation Instructions and Use & Care Guide. When servicing residential water heaters, it is essential that you return the unit to a safe condition before you leave the site. All original components must be re-installed and all safety measures must be implemented. In addition, the recommended water temperature setting is 120° F. IMPORTANT: It is recommend that on every service call an inspection & cleaning of the air intake chamber screen and combustion chamber and air diverter assembly be performed. See page 24. Tools Required (for servicing gas models): • phillips head screw driver • 3/8, 7/16, & 3/4 inch open end wrenches • 3/16 inch Allen wrench • 1-1/16 inch – 6 point – socket – for anode removal • 5/16” nut driver • pliers • electrical multimeter (with alligator leads) • digital or analog manometer • gas pressure gauge • Teflon® tape • hose – to drain tank Digital manometer shown. Teflon® is a registered trademark of E.I. Du Pont De Numours and Company. 3 Breathing Hazard - Carbon Monoxide Gas Install vent system in accordance with codes. Do not operate water heater if flood damaged Heater should not be installed for High Altitude operation above 10,100 feet (3,078 m). Do not operate if soot buildup. Do not obstruct water heater air intake with insulating jacket. Do not place chemical vapor emitting products near water heater. Gas and carbon monoxide detectors are available. Breathing carbon monoxide can cause brain damage or death. Always read and understand instruction manual. Breathing Hazard - Carbon Monoxide Gas Install vent system in accordance with codes. Do not operate water heater if flood damaged Heater should not be installed for High Altitude operation above 10,100 feet (3,078 m). Do not operate if soot buildup. Do not obstruct water heater air intake with insulating jacket. Do not place chemical vapor emitting products near water heater. Gas and carbon monoxide detectors are available. Breathing carbon monoxide can cause brain damage or death. Always read and understand instruction manual. Fire or Explosion Harzard Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. Avoid all ignition sources if you smell Natural or LP gas. Do not expose water heater control to excessive gas pressure. Use only gas shown on rating plate. Maintain required clearances to combustibles. Keep ignition sources away from faucets after extended period of non-use. Read instruction manual before installing, using or servicing water heater. Improper installation and use may result in property damage. Do not operate water heater if flood damaged. Install in location with drainage. Fill tank with water before operation. Be alert for thermal expansion. Refer to instruction manual for installation and service. 4 TABLE OF CONTENTS INTRODUCTION: Service Handbook Introduction ...........................................................................................................................3 Warnings and Cautions .......................................................................................................................................4 Table Of Contents ...............................................................................................................................................5 INSTALLATION / OPERATION: Basic Installation & Operation .............................................................................................................................6 Combustion Air and Vent System Requirements .......................................................................................... 7-10 KNOW YOUR WATER HEATER: Know the Water Heater’s Comp...