A.O. Smith DVE-150, DHE-200 instruction manual Table of Contents, Introduction

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TABLE OF CONTENTS

SAFE INSTALLATION, USE AND SERVICE

2

WIRING DIAGRAMS

12-13

GENERAL SAFETY

3

OPERATION

14

TABLE OF CONTENTS

4

General

14

INTRODUCTION

4

Filling the Water Heater

14

Preparing for the New Installation

4

Start Up

14

DIMENSIONS AND CAPACITIES DATA

5

Draining the Water Heater

14

TEMPERATURE REGULATION

14

FEATURES AND COMPONENTS

6-7

Temperature Adjustment

15

LOCATING THE NEW WATER HEATER

8

High Termperature Devices

15

INSTALLATION

8

MAINTENANCE

15

Required Ability

8

General

15

General

8

Temperature-Pressure Relief Valve Operation

15-16

Mixing Valve Usage

8

Flushing

16

Chemical Vapor Corrosion

8

Sediment Removal

16

Circulating Pump

9

Water and LIme Scale Removal

16

Insulation Blankets

9

Strange Sounds

16-17

Temperature-Pressure Relief Valve

9

TROUBLESHOOTING CHECKLIST

17

ELECTRICAL

10

Not Enough or No Water

17

General

10

Water Is Too Hot

17

Branch Circuit

10

Water Heater Makes Strange Sounds

17

Heater Circuits

10

Leakage Checkpoints

17

Control Circuits

10

If You Cannot Identify or Correct the Source of Malfunction

17

Power Circuits

10

WARRANTY

18

ELECTRICAL AND RECOVERIES DATA

11

NOTES

19

INTRODUCTION

Thank You for purchasing this water heater. Properly installed and maintained, it should give you years of trouble free service.

Abbreviations Found In This Instruction Manual:

ANSI - American National Standards Institute

ASME - American Society of Mechanical Engineers

GAMA - Gas Appliance Manufacturer’s Association

NEC - National Electrical Code

NFPA - National Fire Protection Association

UL - Underwriters Laboratory

Preparing for the Installation

1.Read the “General Safety” section of this manual first and then the entire manual carefully. If you don’t follow the safety rules, the water heater may not operate safely. It could cause DEATH, SERIOUS BODILY INJURY AND/OR PROPERTY DAMAGE.

This manual contains instructions for the installation, operation, and maintenance of the electric water heater. It also contains warnings throughout the manual that you must read and be aware of. All warnings and all instructions are essential to the proper operation of the water heater and your safety. READ THE ENTIRE

MANUAL BEFORE ATTEMPTING TO INSTALL OR OPERATE THE WATER HEATER.

2.The installation must conform with these instructions and the local code authority having jurisdiction and the requirements of the power company. In the absence of code requirements, follow NFPA-70 (current edition). The National Electrical Code may be ordered from: National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02269.

3.If after reading this manual you have any questions or do not understand any portion of the instructions, contact A.O. Smith Water Products Customer Care Center at 1-800-527-1953.

A sample rating plate and barcode tag are shown on page 3 of this manual. In order to expedite your request, please have the serial number and item ID from the barcode tag available for the technician.

4.Carefully plan your intended placement of the water heater. Examine the location to ensure the water heater complies with the “Locating the New Water Heater” section in this manual.

INSTALLATION AND SERVICE OF THIS WATER HEATER REQUIRES ABILITY EQUIVALENT TO THAT OF A LICENSED TRADESMAN OR QUALIFIED AGENCY (Page 2) IN THE FIELD INVOLVED. PLUMBING AND ELECTRICAL WORK ARE REQUIRED.

5.For installation in California this water heater must be braced or anchored to avoid falling or moving during an earthquake. See instructions for correct installation procedures. Instructions may be obtained from California Office of the State Architect, 1102 Q Street, Suite 5100, Sacramento, CA 95811.

6.Massachusetts Code requires this water heater to be installed in accordance with Massachusetts 248-CMR 2.00: State Plumbing Code and 248-CMR 5.00.

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Contents Installation Operation Service Maintenance Limited Warranty AsmeSafe INSTALLATION, USE, and Service Important DefinitionsGeneral Safety Table of Contents IntroductionDimensions and capacities data Features and Components DHE Locating the NEW Water Heater InstallationRequired Ability Circulating Pump TEMPERATURE-PRESSURE Relief ValveInsulation Blankets Power Circuit ElectricalBranch Circuit Heater CircuitsElectrical and recoveries data Wiring Diagrams Wiring Diagrams Temperature Regulation OperationGeneral Start UPMaintenance Temperature AdjustmentHigh Temperature Devices Anode Inspection and ReplacementTemperature-Pressure Relief Valve Operation FlushingSediment Removal Water and Lime Scale RemovalTroubleshooting Checklist If YOU Cannot Identify or Correct the Source of MalfunctionWarranty Tank

DVE-150, DHE-200 specifications

A.O. Smith has established itself as a leading brand in the water heating industry, and its DVE-150 and DHE-200 models showcase the company's commitment to efficiency and innovation. Both units are designed to cater to residential and commercial water heating needs, offering a range of features that enhance performance and reliability.

The DVE-150 is a high-efficiency electric water heater that boasts a 150-gallon capacity. It is ideal for larger households or small commercial applications where hot water demand is significant. One of the standout features of the DVE-150 is its advanced heating element technology. This model uses high-density insulation that reduces heat loss, ensuring more effective energy use. The unit operates at a high recovery rate, allowing it to provide consistent hot water quickly, even during peak usage times.

On the other hand, the DHE-200 is a gas water heater, equipped with a 200-gallon capacity. This model is ideal for high-demand environments where large volumes of hot water are required. The DHE-200 incorporates an innovative direct vent system that enhances efficiency and safety by removing combustion gases from the living space. The modulating gas burner further ensures that the unit operates at optimal efficiency, adjusting the heat output based on the demand for hot water.

Both models feature an intuitive digital display that allows users to monitor and adjust their settings easily. Additionally, they come with advanced diagnostic tools that provide real-time feedback on the system's performance, making maintenance easier and more efficient.

Safety is a top concern for A.O. Smith, and both the DVE-150 and DHE-200 are designed with multiple safety features. These include high-temperature limit switches, pressure relief valves, and flame rollout switches, all of which work to protect the unit from potential hazards.

In terms of installation, both models offer flexible options. They are designed to fit in various spaces, accommodating different installation environments. This versatility is essential for both new constructions and retrofitting older systems.

The DVE-150 and DHE-200 are also backed by A.O. Smith's industry-leading warranty, providing customers with peace of mind regarding their investment. Overall, these models embody A.O. Smith's dedication to quality, efficiency, and safety, making them excellent choices for those in need of reliable water heating solutions.