A.O. Smith DSE-5 THRU DSE-120 warranty Foreword, Contents, Approvals

Page 3

FOREWORD

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.

In addition to these instructions, the equipment shall be installed in accordance with those installation regulations in force in the local area where installation is to be made. Authorities having jurisdiction shall be consulted before installations are made.

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 14.

DO NOT TEST ELECTRICAL SYSTEM BEFORE HEATER IS FILLED WITH WATER, FOLLOW START UP PROCEDURE ON PAGE 17.

The principal components of the heater are identified on page

4.The model and rating plate on page 3 interprets certain markings into useful information. Both of these references should be used to identify the heater, its components and optional equipment.

CONTENTS

 

 

PAGE

ROUGH-IN-DIMENSIONS

2

RECOVERY CAPACITY

2

FOREWORD

3

APPROVALS

3

MODEL & RATING PLATE

3

GETTING TO KNOW YOUR WATER HEATER

4

GENERAL SAFETY INFORMATION

 

Insulation Blankets

5

External Damage

5

INSTALLATION

 

Required Ability

5

General

5

Location

5

Connections

6

Relief Devices

6

Temperature Limiting Control

6

Hydrogen Gas

6

PIPING DIAGRAMS

7-12

ELECTRICAL

 

General

13

Branch Circuit

13

 

PAGE

Amperage Table/Overcurrent Protection

14

Heater Circuits

14

Control Circuit

14

Power Circuit

14

Wiring Diagram

15-17

OPERATION

 

General

17

Filling

17

Start Up

17

Temperature Regulation

17-18

Draining

18

MAINTENANCE

 

General

18

Flushing

18

Sediment Removal

18

Lime Scale Removal

18-19

Checklist

19-20

Replacement Parts

20

LEAKAGE CHECKPOINTS

21

LIMITED WARRANTY

22

APPROVALS

 

MODEL & RATING PLATE

 

All models bear the National Sanitation Foundation seal of approval.

All models are

listed

by Underwriters’ Laboratories, Inc.

125 PSI Working Pressure

ASME (65 thru 120 Gallons) 150 PSI Working Pressure

(5 thru 50 Gallons)

3

Image 3
Contents Dura-Power Electric Models Recovery Capacity DimensionsContents ForewordApprovals Getting to Know Your Water Heater Installation General Safety InformationTemperature Limiting Control Relief DevicesHydrogen GAS Flammable Piping Diagram ONE or TWO Temperature ONE HeaterONE or TWO Temperature TWO Heater ONE or TWO Temperature Four Heaters ONE or TWO Temperature Three HeatersMedium Temperature ONE Heater Horizontal Storage Tank Medium Temperature ONE Heater Vertical Storage TankMedium Temperature TWO Heaters Horizontal Storage Tank Medium Temperature TWO Heaters Vertical Storage TankMedium Temperature Three Heaters Horizontal Storage Tank Medium Temperature Three Heaters Vertical Storage TankPipe Relief Valve to Open Drain Branch Circuit ElectricalControl Circuit Power CircuitHeater Circuits Wiring Diagrams Amperage TABLE/OVERCURRENT ProtectionSmall Commercial Wire Diagram Phase Contactor Jumper Configuration Phase Connection Phase ConversionsSmall Commercial Wire Diagram Single Phase Start UP Temperature RegulationOperation FillingSediment Removal MaintenanceDraining FlushingNot enough or no hot water ChecklistIf YOU Cannot Identify or Correct the Source of Malfunction Replacement PartsLeakage Checkpoints Model DSE Limited Warranty Replacement Parts

DSE-5 THRU DSE-120 specifications

A.O. Smith is a well-known name in the water heating and treatment industry, recognized for its commitment to innovation and quality. Among its impressive range of products, the DSE-5 through DSE-120 series stands out as a reliable choice for both commercial and industrial water heating applications.

The DSE series is engineered to deliver superior performance and efficiency. These water heaters are designed with advanced technologies that ensure optimal heat transfer and energy conservation. One of the main features of the DSE series is its high efficiency ratings, often reaching up to 90% or higher. This means users can expect significant savings on energy costs while enjoying reliable hot water supply.

A notable characteristic of the DSE series is its robust design. Constructed from high-quality materials, these water heaters are built to withstand challenging operating environments. The series is available in varying capacities, from DSE-5, which accommodates smaller applications, to DSE-120, catering to larger needs. This versatility allows businesses to select the model that best suits their operational requirements.

A.O. Smith has also integrated state-of-the-art control technologies into the DSE series. These heaters feature advanced digital displays that provide real-time monitoring of temperature and pressure, ensuring optimal performance and safety. The intelligent controls enable users to set precise temperature settings, which can be easily adjusted, enhancing user convenience.

Moreover, the DSE series is equipped with multiple safety features, including over-temperature protection, flame failure detection, and build quality that meets or exceeds industry standards. This ensures not only effective operation but also peace of mind for users.

The DSE water heaters are also recognized for their eco-friendly designs. Many models incorporate options for low-emission combustion systems, making them suitable for environmentally-conscious businesses looking to reduce their carbon footprint.

In summary, the A.O. Smith DSE-5 through DSE-120 series embodies reliable, efficient, and innovative water heating solutions. With varying capacities, advanced control technologies, and a commitment to safety and sustainability, these water heaters are ideally suited for diverse commercial and industrial applications. Whether for a small business or a large industrial entity, the DSE series provides a dependable hot water supply while optimizing energy use.