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A.O. Smith Vertex 100 Power Vent DV Series 120 User Manual

A.O. Smith Vertex 100 Power Vent DV Series 120
60 pages
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Instruction Manual
PRINTED 0410 317443-000
KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE
WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.
POWER VENT/POWER DIRECT VENT GAS MODELS
WITH HOT SURFACE IGNITION
ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS
PURCHASED. IF YOU ARE UNSUCCESSFUL, CALL THE TECHNICAL SUPPORT PHONE NUMBER SHOWN ON THE WATER HEATER LABELING.
RESIDENTIAL GAS WATER HEATERS
For Your Safety
AN ODORANT IS ADDED TO THE GAS USED
BY THIS WATER HEATER.
Ashland City, TN 37015
www.hotwater.com
Thank you for buying this energy efcient water heater.
We appreciate your condence in our products.

Table of Contents

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A.O. Smith Vertex 100 Power Vent DV Series 120 Specifications

General IconGeneral
BrandA.O. Smith
ModelVertex 100 Power Vent DV Series 120
CategoryWater Heater
LanguageEnglish

Summary

SAFE INSTALLATION, USE AND SERVICE

GENERAL SAFETY INFORMATION

Flammable Vapors Danger

Warnings about explosion risks from flammable vapors.

Fire or Explosion Hazard

Risks of fire and explosion due to improper handling or installation.

Fire Hazard

General fire safety precautions for the appliance.

Electrical Shock Hazard

Risks of electrical shock during service or operation.

Jumping Out Control Circuits

Warnings against bypassing control circuits, causing damage or injury.

INSTALLATION CONSIDERATION

LOCATING THE WATER HEATER

Combustion Air and Ventilation

Requirements for adequate air supply for combustion and ventilation.

Unusually Tight Construction

How to provide air in tightly constructed buildings.

Confined Space

Requirements for providing air in confined spaces.

Fresh Air Openings for Confined Spaces

Instructions for calculating fresh air openings in confined spaces.

Outdoor Air Through Two Openings

Method for providing fresh air via two openings.

Outdoor Air Through One Opening

Method for providing fresh air via one opening.

Outdoor Air Through Two Horizontal Ducts

Method for providing fresh air via two horizontal ducts.

Air From Other Indoor Spaces

Method for providing fresh air from adjacent indoor spaces.

INSTALLING THE NEW WATER HEATER

Chemical Vapor Corrosion

Warning about corrosive vapors affecting the unit and warranty.

TEMPERATURE-PRESSURE RELIEF VALVE

Explosion Hazard

Warnings about explosion hazards related to the relief valve.

GAS PIPING

Fire and Explosion Hazard

Hazards associated with gas piping installation and use.

CONDENSATE PIPING

VENTING

Breathing Hazard - Carbon Monoxide Gas

Warnings about CO gas and proper venting.

Vent Pipe Termination

Determining the location and method for vent pipe termination.

Planning the Vent System

Layout and planning considerations for the vent system.

Installation of Vent System

General instructions for installing the vent system.

Vent Terminal Installation, Sidewall

Procedures for installing vent terminals through sidewalls.

TERMINATION CLEARANCES SIDEWALL POWER VENT

TERMINATION CLEARANCES SIDEWALL DIRECT VENT

VERTICAL VENT TERMINAL INSTALLATION

CONCENTRIC VENT INSTALLATION

VENT PIPE PREPARATION

CONTROLS AND SWITCHES

FOR YOUR SAFETY READ BEFORE LIGHTING

OPERATING INSTRUCTIONS

TEMPERATURE REGULATION

Danger - Hot Water Scald

Warnings about severe burns from hot water.

Hi Limit Switch (ECO)

Function and operation of the high limit switch.

CONTROL SYSTEM OPERATION

USER SETTINGS & CONTROL SYSTEM MENUS

Temperatures

Settings for operating set point and differential.

CURRENT FAULT

PERIODIC MAINTENANCE

Temperature-Pressure Relief Valve Operation

How to test and verify the relief valve operation.

MAINTENANCE

Temperature-Pressure Relief Valve Test

Procedure to test the temperature-pressure relief valve.

TROUBLESHOOTING

Sequence of Operation Flow Chart

Visual flowchart of the water heater's operating sequence.

OPERATIONAL PROBLEMS

Rough Starting, Rough Operation

Troubleshooting steps for ignition and operational difficulties.

Not Enough or No Hot Water

Troubleshooting steps for insufficient hot water supply.

Water Is Too Hot

Troubleshooting steps for excessively hot water.

Fault and Alert Conditions

Explanation of fault and alert messages displayed by the control system.

FAULT AND ALERT MESSAGES

LIMITED WARRANTY

The Tank

Warranty coverage for the water heater tank.

All Other Parts

Warranty coverage for other components of the water heater.

Conditions and Exceptions

Conditions and exceptions that may void the warranty.

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