Rheem Commercial Power Direct Vent Water heater Read the Safety Information

TABLE OF CONTENTS

Safety Information

Safety Precautions. . . . . . . . 3-4, 16

Introduction

Local Installation Regulations. . . . . . 5 Water Heater Location. . . . . . . . . 5

Installation Instructions

Inspect Shipment. . . . . . . . . . . 6 Water Supply Connections. . . . . . . 6 Gas Supply. . . . . . . . . . . . . . 6 Typical Installation. . . . . . . . . . . 7 Vent Installation. . . . . . . . . . 8 - 12 Wiring. . . . . . . . . . . . . . . . 13 Installation Checklist. . . . . . . . . 13

Operating Instructions

Lighting Instructions. . . . . . . . 14-15 Water Temperature. . . . . . . . . . 16 Emergency Shut Down. . . . . . . . 17

Care and Cleaning

Burner Inspection . . . . . . . . . . 17 Venting Inspection. . . . . . . . . . 17 Routine Maintenance . . . . . . . . . 18 Anode Inspection. . . . . . . . . . . 18 Seasonal Operation. . . . . . . . . . 18

Troubleshooting

System Sentinel Diagnosis. . . . . . . . . 20- 24

Customer Service

READ THE SAFETY INFORMATION

Your safety and the safety of others are very impor- tant. There are many important safety messages in this manual and on your appliance. Always read and obey all safety messages.

!This is the safety alert symbol. Recognize this symbol as an indication of Important Safety Information! This symbol alerts you to potential hazards that can kill or hurt you and others.

All safety messages will follow the safety alert sym- bol and either the word “DANGER”, “WARNING”, “CAUTION” or “NOTICE”.

These words mean:

!CAUTION A potentially hazardous situation that may result in minor or moderate injury.

Notice: Attention is called to observe a specified procedure or

maintain a specific condition.