A.O. Smith Dve-52/80/120 instruction manual Table of Contents, Introduction

TABLE OF CONTENTS

SAFE INSTALLATION, USE AND SERVICE	2	Thermostat Settings – Electronic Control Models	21
GENERAL SAFETY INFORMATION	3	ELECTRONIC CONTROL MODELS OPERATION	21
TABLE OF CONTENTS	4	Control System Features	21
INTRODUCTION	4	Control System Navigation	21
Preparing for the New Installation	4	Desktop Screen	21-23
DIMENSIONS AND CAPACITIES DATA	5	Temperatures Menu	23-24
APPROVALS	6
		Temperature Settings	24
FEATURES AND COMPONENTS	7-8
		Heater Status Menu	25
LOCATING THE NEW WATER HEATER	9
		Economy Mode Setup Menu	25-26
INSTALLATION	10
		Economy Mode Settings	26-28
Required Ability	10
		Alarm Output Setup Menu	29
General	10
Mixing Valve Usage	10	Display Settings Menu	29
Chemical Vapor Corrosion	10	Heater Information Menu	29-30
Circulating Pump	10	Current Fault / Alert Menu	30
Insulation Blankets	10	Fault Occurrence Menu	30
Temperature-Pressure Relief Valve	10-11	Restore Factory Defaults Menu	30-31
Water Line Connection	11	MAINTENANCE	31
Closed Water System	11	General	31-32
Thermal Expansion	11	Flushing	32
ELECTRICAL	12	Sediment Removal	32
OPERATION	19
		Water and Lime Scale Removal	32
General	19
		TROUBLESHOOTING CHECKLIST	33
Filling the Water Heater	19
		Not Enough or No Water	33
Start Up	19
		Water Heater Makes Strange Sounds	33
Draining the Water Heater	19
		If You Cannot Identify or Correct the Source of Malfunction	17
TEMPERATURE REGULATION	20
High Temperature Devices	20	Leakage Checkpoints	34
Thermostat Controls	20	PIPING DIAGRAMS	35-42
Thermostat Settings – Surface Mount Control Models	20	WARRANTY	43

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 Information” 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.

Detailed installation diagrams are in this manual. These diagrams will serve to provide the installer with a reference for the materials and method of piping suggested. IT IS NECESSARY THAT ALL WATER PIPING AND THE ELECTRICAL WIRING BE INSTALLED AND CONNECTED AS SHOWN IN THE DIAGRAMS.

Particular attention should be given to the installation of thermometers at the locations indicated in the diagrams as these are necessary for checking the operation of the heater.

Be sure to turn off power when working on or near the electrical system of the heater. Never touch electrical components with wet hands or when standing in water. When replacing fuses always use the correct size for the circuit. see page 13.

The principal components of the heater are identified on pages 7 & 8. The model and rating plate on page 6 interprets certain markings into useful information. Both of these references should be used to identify the heater, its components and optional equipment.

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). In the absence of local codes, the installation must comply with the latest editions of the National Electrical Code, NFPA 70 or the Canadian Electrical Code CSA C22.1. The National Electrical Code may be ordered from: National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02269. The Canadian Electrical Code is available from the Canadian Standards Association, 8501 East Pleasant Valley Road, Cleveland, OH 44131.

3.If after reading this manual you have any questions or do not understand any portion of the instructions, call the toll free number listed on the back cover of this manual for technical assistance.

A sample rating plate is shown on page 6 of this manual. In order to expedite your request, please have full model and serial number 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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