Table Of Contents; Introduction; Preparing For The New Installation - A.O. Smith 185363-001 Instruction Manual

Power vented gas models w/hot surface ignition

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Table of Contents

SAFE INSTALLATION, USE AND SERVICE ............................... 2

GENERAL SAFETY .................................................................. 3

TABLE OF CONTENTS .............................................................. 4

INTRODUCTION ........................................................................ 4

Preparing for the New Installation ................................... 4

TYPICAL INSTALLATION ...................................................... 5-6

LOCATING THE NEW WATER HEATER ..................................... 7

Facts to Consider About Location ............................... 7-8

Insulation Blankets ........................................................... 8

Combustion Air and Ventilation for Appliances

Located in Unconfined Spaces ........................................ 8

Combustion Air and Ventilation for Appliances

Located in Confined Spaces ........................................ 8-9

INSTALLING THE WATER HEATER ......................................... 10

Water Piping .............................................................. 10-11

Temperature-Pressure Relief Valve ............................... 11

Gas Piping ...................................................................... 12

Sediment Traps .............................................................. 13

Blower Assembly Installation ........................................ 13

Vent Pipe Connection to Blower Assembly ................... 14

Venting and Installation ............................................ 14-15

LIGHTING & OPERATING LABEL ............................................ 20

TEMPERATURE REGULATION ................................................ 21

Thank You for purchasing this water heater. Properly installed and

maintained, it should give you years of trouble free service.

Abbreviations Found In This Instruction Manual:

• CSA - Canadian Standards Association

• ANSI - American National Standards Institute

• NFPA - National Fire Protection Association

• ASME - American Society of Mechanical Engineers

• GAMA - Gas Appliance Manufacturer's Association

• UL - Underwriters Laboratories Inc.

This gas-fired water heater is design certified by Underwriters

Laboratories Inc. under American National Standard/CSA Standard for

Gas Water Heaters ANSI Z21.10.1 • CSA 4.1 (current edition).

PREPARING FOR THE INSTALLATION

1. Read the "General Safety" section, page 3 of this manual first and

then the entire manual carefully. If you don't follow the safety rules,

the water heater will not operate properly. It could cause DEATH,

SERIOUS BODILY INJURY AND/OR PROPERTY DAMAGE.

This manual contains instructions for the installation, operation, and

maintenance of the gas-fired water heater. It also contains warnings

throughout the manual that you must read and be aware of. All

warnings and all instructions are essential to the proper operation

of the water heater and your safety. Since we cannot put everything

on the first few pages, READ THE ENTIRE MANUAL BEFORE

ATTEMPTING TO INSTALL OR OPERATE THE WATER HEATER.

FOR YOUR INFORMATION ..................................................... 22

PERIODIC MAINTENANCE ....................................................... 23

LEAKAGE CHECKPOINTS ...................................................... 25

REPAIR PARTS ....................................................................... 26

TROUBLESHOOTING ........................................................ 27-28

NOTES .............................................................................. 29-30

WARRANTY ........................................................................... 31

INTRODUCTION

2. The installation must conform with these instructions and the local

3. The water heater when installed must be grounded in accordance

4. If after reading this manual you have any questions or do not

5. Carefully plan the place where you are going to put the water heater.

6. For California installation this water heater must be braced, anchored,

7. Massachusetts Code requires this water heater to be installed in

8. Complies with SCAQMD rule #1121 and districts having equivalent

Start Up Conditions ........................................................ 22

Condensate .................................................................... 22

Smoke/Odor .................................................................... 22

Thermal Expansion ......................................................... 22

Strange Sounds .............................................................. 22

Operational Conditions ................................................... 22

Smelly Water .................................................................. 22

"Air" in Hot Water Faucets ............................................. 22

High Temperature Shut Off System ............................... 22

Venting System Inspection ............................................ 23

Burner Inspection ........................................................... 23

Burner Cleaning .............................................................. 23

Housekeeping .......................................................... 23-24

Anode Rod Inspection .................................................... 24

Temperature-Pressure Relief Valve Operation .............. 24

Draining .......................................................................... 24

Drain Valve Washer Replacement ........................... 24-24

Service ........................................................................... 25

code authority having jurisdiction. In the absence of local codes,

installations shall comply with the National Fuel Gas Code ANSI Z223.1/

NFPA 54 and the National Electrical Code, NFPA 70. These publications

are available from The National Fire Protection Association, 1

Batterymarch Park, Quincy, MA 02269.

with the local codes, or in the absence of local codes: In the United

States, the National Electric Code. ANSI/NFPA 70.

understand any portion of the instructions, call the local gas utility or

the manufacturer whose name appears on the rating plate.

Correct combustion, vent action, and vent pipe installation are very

important in preventing death from possible carbon monoxide

poisoning and fires, see Figures 1 and 2.

Examine the location to ensure the water heater complies with the

"Locating the New Water Heater" section in this manual.

or strapped to avoid falling or moving during an earthquake. See

instructions for correct installation procedures. Instructions may be

obtained from California Office of the State Architect, 400 P Street,

Sacramento, CA 95814.

accordance with Massachusetts 248-CMR 2.00: State Plumbing Code

and 248-CMR 5.00.

NOx requirements.

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Table Of Contents; Introduction; Preparing For The New Installation - A.O. Smith 185363-001 Instruction Manual