A.O. Smith Water Heater Manual and Troubleshooting Guide

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Instruction Manual

RESIDENTIAL ELECTRIC

WATER HEATERS

MODELS 6-120

FOR POTABLE WATER

HEATING ONLY

NOT SUITABLE FOR

SPACE HEATING

LISTED

GAMA certification applies to all residential electric water heaters with capacities of 20 to 120 gallons. Input rating of 12 Kw or less.

ALL TECHNICALAND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS PURCHASED. IF YOU ARE UNSUCCESSFUL, PLEASE WRITE TO THE COMPANY LISTED ON THE RATING PLATE ON THE WATER HEATER.

KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE

WHEN EVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.

PRINTED IN THE U.S.A 0207	PART NO. 185762-000
	SUPERSEDES PART NO. 184639-002

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Contents Residential Electric Important Definitions Safe INSTALLATION, USE and ServiceGeneral Safety Introduction Table of ContentsUprights /LOWBOYS Compacts Typical InstallationTable Tops Locating the NEW Water Heater Mixing Valve UsageFacts to Consider about the Location Insulation Blankets Installing the NEW Water HeaterWater Piping Water Piping Pressure Test TEMPERATURE- Pressure Relief Valve Valve and Pipe Insulation On Selected Models Filling the Water HeaterWiring Diagrams Wiring Temperature Adjustment Temperature RegulationOperational Conditions For Your InformationTEMPERATURE-PRESSURE Relief Valve Operation Periodic MaintenanceThermostat Removal / Replacement Anode ROD InspectionElement Cleaning / Replacement Page Service Drain Valve Washer ReplacementLeakage Checkpoints Problem Possible Causes Corrective Action Troubleshooting GuidelinesLowboy and Upright Electric Models Single and Dual Element Repair Parts ListCompact or Manufactured Mobile Home Electric Models Table TOP Electric Models Conditions and Exceptions Residential Electric WarrantyClaim Procedure Service and Labor ResponsibilityInstallation Information Limitation on Implied WarrantiesPage

ECL-30, ECT-55, ECT-40, ECT-52, ECT-80 specifications

A.O. Smith is a well-respected name in the water heating industry, renowned for its innovative products and technologies. Among its notable offerings are the EJCN-40 and ECLN-40 electric water heaters, as well as the ECS-50 model. These units exemplify A.O. Smith's commitment to efficiency, durability, and user convenience.

The A.O. Smith EJCN-40 is a reliable and efficient electric water heater with a 40-gallon capacity. It features a foam-insulated tank that ensures minimal heat loss, allowing for increased energy efficiency. This model is equipped with two heating elements, providing faster recovery times and ensuring a steady supply of hot water when needed. The EJCN-40 is designed with a user-friendly thermostat that facilitates easy temperature adjustments, enhancing overall user experience.

Similarly, the ECLN-40 shares many features with the EJCN-40 but is specifically designed for commercial applications. This model prioritizes performance and energy efficiency, making it ideal for businesses that require a dependable hot water supply. The ECLN-40 is built with an impressive heat exchanger that maximizes heat transfer, minimizing energy consumption while maintaining optimal performance.

The A.O. Smith ECS-50 stands out with a 50-gallon capacity, catering to residential and light commercial settings. This unit features a high-quality glass-lined tank, which not only provides superior insulation but also helps prevent corrosion. The ECS-50 is designed with a heavy-duty anode rod that extends the life of the tank by minimizing the risk of rusting. Its compact design allows for versatility in installation, while the integrated thermostat provides ease of use.

A.O. Smith's water heaters are equipped with advanced safety features, including automatic temperature controls and pressure relief valves, ensuring safe operation. Additionally, these models come with Energy Star certification, indicating their compliance with strict energy efficiency standards.

In summary, the A.O. Smith EJCN-40, ECLN-40, and ECS-50 water heaters combine cutting-edge technology with robust design to deliver efficient, dependable hot water solutions. With features that cater to both residential and commercial needs, A.O. Smith continues to set the standard for quality and performance in the water heating industry.