American Water Heater VGD625T 100 User Manuals

Table of Contents

• safe installation, use and service

  3
• APPROVALS

  3
• General safety information

  4
  • Precautions

    4
  • Grounding Instructions

    4
  • Hydrogen Gas Flammable

    4
• Introduction

  7
  • Abbreviations Used

    7
  • Qualifications

    7
  • Preparing For The Installation

    7
• DIMENSIONS AND CAPACITY DATA

  8
  • Rough In Dimensions: 50 Gallon Unit

    8
  • Rough In Dimensions: 75 Gallon Unit

    8
• features and components

  10
  • Controls And Switches

    13
• INSTALLATION CONSIDERATIONS

  14
  • Locating The Water Heater

    14
  • Insulation Blankets

    15
  • Combustion Air And Ventilation

    15
  • Unconfined Space

    16
  • Confined Space

    16
  • Fresh Air Openings For Confined Spaces

    16
  • Outdoor Air Through Two Openings

    16
  • Outdoor Air Through One Opening

    16
  • Outdoor Air Through Two Horizontal Ducts

    17
  • Air From Other Indoor Spaces

    17
• InstallATION REQUIREMENTS

  18
  • Chemical Vapor Corrosion

    18
  • Water Piping

    18
  • Power Supply

    18
  • Mixing Valves

    19
  • Gas piping

    19
  • Gas Supply Systems

    20
  • Gas Pressure Requirements

    20
  • Supply Gas Regulator

    20
  • Space Heating And Potable Water System

    21
  • Closed Water Systems

    21
  • Thermal Expansion

    21
  • Temperature-Pressure Relief Valve

    22
  • Condensate Piping

    23
  • High Altitude Installations

    23
  • Filling The Water Heater

    23
• INSTALLATION REQUIREMENTS FOR THE COMMONWEALTH OF MASSACHUSETTS

  24
• VENTING INSTALLATION

  25
  • Vent Installation Considerations

    25
  • Polypropylene Installations

    26
  • Vent Pipe Termination

    27
  • Planning The Vent System

    27
  • Installation Of Horizontal Through The Wall Vent System

    27
  • Direct Vent Terminal Installation

    28
  • Installation Sequence

    28
  • Termination Clearances Sidewall Power Vent

    29
  • Termination Clearances Sidewall Direct Vent

    30
  • Vertical Vent Terminal Installation

    31
  • Direct Vent Diagram

    32
  • Concentric Vent Installation

    33
  • Low Profile Termination Installation

    36
• LIGHTING AND OPERATION LABELS

  37
• temperature regulation

  38
• control system operation

  39
  • Overview

    39
  • Control System Navigation

    39
  • User Settings & Control System Menus

    42
• for your information

  47
  • Start Up Conditions

    47
  • Operational Conditions

    47
• periodic maintenance

  48
  • Venting System Inspection

    48
  • Anode Rod INSPECTION

    48
  • Powered Anode Rod (optional models)

    49
  • Temperature-Pressure Relief Valve Test

    49
  • Draining and flushing

    49
  • Service

    50
• leakage checkpoints

  51
• troubleshooting

  52
  • Installation Checklist

    52
  • Sequence Of Operation

    52
  • Sequence Of Operation Flow Chart

    53
  • Operational Problems

    54
  • Fault And Alert Conditions

    55
• Wiring diagram

  58