A.O. Smith Water Heater Manual: Essential Safety Guidelines for Installation and Service

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SAFE INSTALLATION, USE AND SERVICE

Your safety and the safety of others is extremely important in the installation, use and servicing of this water heater.

Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a potential injury hazard. Read and obey all safety messages and instructions throughout this manual. It is very important that the meaning of each safety message is understood by you and others who install, use or service this water heater.

This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.

 

 

 

 

DANGER indicates an imminently

 

 

DANGER

 

 

 

 

 

 

 

hazardous situation which, if not avoided,

 

 

 

 

could result in death or injury.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WARNING indicates a potentially hazardous

 

 

WARNING

 

 

 

 

 

 

 

situation which, if not avoided, could result

 

 

 

 

in death or injury.

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION indicates a potentially hazardous

 

 

CAUTION

 

 

 

 

 

 

 

situation which, if not avoided, may result

 

 

 

 

in minor or moderate injury.

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION used without the safety alert

 

 

 

 

 

CAUTION

 

symbol indicates a potentially hazardous

 

 

situation which, if not avoided, could result

 

 

 

 

in property damage.

 

 

 

 

 

 

 

 

 

All safety messages will generally tell you about the type of hazard, what can happen if you do not follow the safety message and how to avoid the risk of injury.

IMPORTANT DEFINITIONS

Qualified Installer: A qualified installer must have ability equivalent to a licensed tradesman in the fields of plumbing, and electrical installation of these appliances. This would include a thorough understanding of the requirements of the National Electrical Code and applicable local electrical and plumbing codes (and tools necessary to confirm proper installation and operation of the water heater) as they relate to the installation of electric water heaters. The qualified installer must have a thorough understanding of the water heater Instruction Manual.

Service Agency: A service agency also must have ability equivalent to a licensed tradesman in the fields of plumbing, and electrical installation of these appliances. This would include a thorough understanding of the requirements of the National Electrical Code and applicable local electrical and plumbing codes (and tools necessary to confirm proper installation and operation of the water heater) as they relate to the installation of electric water heaters. The service agency must have a thorough understanding of the water heater Instruction Manual.

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Contents Residential Electric Safe INSTALLATION, USE and Service Important DefinitionsGeneral Safety Table of Contents Preparing for the Installation IntroductionCompacts Table Tops Typical InstallationLowboys Uprights Wiring Diagrams Mixing Valve Usage HotterwatercanscaldFacts to Consider about the Location Installing the NEW Water HeaterLocating the NEW Water Heater Insulation BlanketsTEMPERATURE-PRESSURE Relief Valve Filling the Water Heater Valve and Pipe Insulation On Selected ModelsTemperature Regulation TemperatureadjustmentOperational Conditions Periodic MaintenanceFor Your Information Anode ROD InspectionService TEMPERATURE-PRESSURE Relief Valve OperationDrain Valve Washer Replacement DrainingLeakage Checkpoints Repair Parts List Part DescriptionTroubleshooting Guidelines Problem Cause SolutionPXHT, Pxhs Conditions and ExceptionsInstallation Information Service and Labor ResponsibilityClaim Procedure Limitation on Implied Warranties