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A.O. Smith Manuals
Water Heater
T-H3M-DV
Installation manual and owner's manual
Table Of Contents - A.O. Smith T-H3M-DV Installation Manual And Owner's Manual
On-demand water heater
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Contents
Table of Contents
Troubleshooting
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Table of Contents
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CONTENTS
Installation Manual
SPECIFICATIONS
4
INTRODUCTION
5
SAFETY GUIDELINES
6
INSTALLATION
7
General
7
Included accessories
9
Clearances
9
Venting instructions
10
Gas supply and gas pipe sizing
20
Water connections
22
Condensate drain
23
Electrical connections
25
Temperature remote controller
26
High-altitude installations
28
APPLICATIONS
29
INITIAL OPERATION
31
OPTIONAL ITEMS
32
Owner's Guide
OPERATING SAFETY
35
NORMAL OPERATION
37
Display of controller
37
General
37
Temperature table of controller
37
Temperature settings
38
Additional features
39
Flow
40
Freeze protection system
40
Maintenance and service
41
Unit draining and filter cleaning
41
Descaling the unit
42
TROUBLESHOOTING
43
General
43
Error codes
45
COMPONENTS DIAGRAM
48
PARTS LIST
52
OUTPUT TEMPERATURE CHART
54
LIMITED WARRANTY
55
NOTICE
• This installation manual is approved for installation in the United States.
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This manual is also suitable for:
T-h3m-os
Ato-140h-p
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