Introduction; Qualifi Ed Installer Or Service Agency; Preparing For The Installation - A.O. Smith DIRECT VENTED GAS MODELS Installation And Operating Manual

Thank You for purchasing this water heater. Properly
installed and maintained, it should give you years of trouble
free service.
This water heater is suitable for potable water heating
and space heating applications but not for space heating
only applications.
Abbreviations found in this Installation and Operating
manual:
•
CSA - Canadian Standards Association
•
ANSI - American National Standards Institute
•
NFPA - National Fire Protection Association
•
ASME - American Society of Mechanical Engineers
•
UL - Underwriters Laboratories Inc.
•
AHRI - Air Conditioning, Heating and Refrigeration
Institute.
This gas-fi red water heater is design certifi ed by CSA
International, under Water Heater Standard ANSI
Z21.10.1 • CSA 4.1 (current edition).
QUALIFIED INSTALLER OR SERVICE AGENCY
Installation and service of this water heater requires ability
equivalent to that of a Qualifi ed Agency (as defi ned by
ANSI below) in the fi eld involved. Installation skills such
as plumbing, air supply, venting, gas supply and electrical
supply are required in addition to electrical testing skills
when performing service.
ANSI Z223.1 2006 Sec. 3.3.83: "Qualifi ed Agency" - "Any
individual, fi rm, corporation or company that either in
person or through a representative is engaged in and is
responsible for (a) the installation, testing or replacement
of gas piping or (b) the connection, installation, testing,
repair or servicing of appliances and equipment; that
is experienced in such work; that is familiar with all
precautions required and that has complied with all the
requirements of the authority having jurisdiction."
If you are not qualifi ed (as defi ned by ANSI above) and
licensed or certified as required by authority having
jurisdiction to perform a given task, do not attempt to
perform any of the procedures described in this manual.
If you do not understand the instructions given in this
manual do not attempt to perform any procedures outlined
in this manual.

PREPARING FOR THE INSTALLATION

1. Read the "General Safety" section of this manual
fi rst and then entire manual carefully. If you don't
follow 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 installation, operation,
and maintenance of the gas-fi red water heater. It
6

INTRODUCTION

also contains warnings throughout the manual that
you must read and be aware of. All warnings and
instructions are essential to proper operation of the
water heater and your safety. Since we cannot put
everything on the fi rst few pages, READ ENTIRE
MANUAL BEFORE ATTEMPTING TO INSTALL OR
OPERATE THE WATER HEATER.
2. The installation must conform with these instructions
and local code authority having jurisdiction. In absence
of local codes, installation must comply with current
editions of the "National Fuel Gas Code", ANSI
Z223.1/NFPA 54 and "National Electrical Code",
NFPA 70. All documents are available from:
CSA International,
8501 East Pleasant Valley Road,
Cleveland, Ohio, United States
44131-5575.
NFPA documents are also available from:
National Fire Protection Association,
1 Batterymarch Park,
Quincy, MA 02269.
3. If after reading this manual you have any questions or
do not understand any portion of the instructions, call
the local gas utility or the manufacturer whose name
appears on the rating plate.
4. Carefully plan the place where you are going to put
the water heater. Correct combustion, vent action, and
vent pipe installation are very important in preventing
death from possible carbon monoxide poisoning and
fi res (see Figure 6). Examine the location to ensure
the water heater complies with the "Locating The New
Water Heater" section in this manual.
5. NOTE: For California installation , this water heater
must be braced, anchored, or strapped to avoid falling
or moving during an earthquake. Correct installation
procedure instructions may be obtained from:
California's Offi ce of the State Architect,
1102 Q Street, Suite 5100,
Sacramento, CA 95811.
Instructions can also be downloaded to your computer
at www.dsa.dgs.ca.gov..
6. Massachusetts Code requires this water heater to be
installed In accordance with Massachusetts 248-CMR
2.00: State Plumbing Code and 248-CMR 5.00.
7. This product is certifi ed to comply with a maximum
weighted average of 0.25% lead content as required
in some areas.
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