American Water Heater Commercial Ultra Low NOx Gas water Heater User Manuals

Table of Contents

• ROUGH-IN DIMENSIONS

  2
• To Operate The Heater

  9
• FOREWORD

  2
• Lighting Instructions

  10
• GENERAL SAFETY INFORMATION

  2
• Temperature Regulation

  11
• Precautions

  3
• Checking Venting

  11
• Grounding Instructions

  3
• High Temperature Limit Switch

  11
• Chemical Vapor Corrosion

  3
• SERVICE INFORMATION

  12
• Extended Non-use Periods

  3
• Main Burner and Igniter

  12
• Insulation Blankets

  4
• Checking Gas Input

  12
• High Altitude Installations

  4
• Vent System

  12
• Circulating Pump

  4
• Blower Maintenance

  13
• INSTALLATION INSTRUCTIONS

  4
• Relief Valve

  13
• Required Ability

  4
• Hot Water Odor

  13
• Locating The Heater

  4
• Winter Protection

  13
• Clearances

  5
• Replacement Parts

  13
• Hard Water

  5
• PREVENTIVE MAINTENANCE

  13
• Air Requirements

  5
• Procedure for Periodic Removal Of Lime Deposits

  13
• Venting

  6
• Thermometers (Not Supplied)

  7
• Deliming Solvents

  13
• Combination Water (Potable) Heating and Space Heating

  7
• Tank Cleanout Procedure

  14
• Relief Valve

  7
• CHECKLIST

  15
• Gas Piping

  7
• Condensation

  15
• Heater Wiring

  8
• Anode

  15
• Wiring Diagram

  8
• Service & Repair

  16
• Purging

  9
• TROUBLESHOOTING

  17
• Gas Pressure Regulation

  9
• NOTES

  21
• OPERATION

  9
• LIMITED WARRANTY

  23