Rheem Commercial Power Direct Vent Water heater - Manual (Page 2)

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
Troubleshooting
System Sentinel Diagnosis. . . . . . . . . 20- 24
Customer Service
Parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Wiring Diagrams . . . . . . . . . . . . . . . . . . 26-27
how to Obtain Service Assistance . . . . . 28
TABlE OF CONTENTS
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:
! DANgER An imminently hazardous
situation that will result in
death or serious injury.
! WARNiNg
A potentially hazardous
situation that could result
in death or serious injury
and/or damage to property.
! 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.
READ THE SAFETY INFORMATION
Care and Cleaning
Burner inspection . . . . . . . . . . . . . . . . . . . 17
Venting inspection . . . . . . . . . . . . . . . . . . . 17
Routine maintenance . . . . . . . . . . . . . . . . . 18
Anode inspection . . . . . . . . . . . . . . . . . . . . 18
Seasonal Operation . . . . . . . . . . . . . . . . . . 18