Table Of Contents; Introduction; Preparing For The New Installation - A.O. Smith 185874-001 Instruction Manual

SAFE INSTALLATION, USE AND SERVICE............................2
GENERAL SAFETY..................................................................3
TABLE OF CONTENTS ............................................................4
INTRODUCTION ......................................................................4
Preparing for the New Installation .....................................4
TYPICAL INSTALLATIONS .................................................. 5-6
LOCATING THE NEW WATER HEATER .................................7
Facts to Consider About Location ................................. 7-8
Insulation Blankets ............................................................8
INSTALLING THE NEW WATER HEATER ........................ 9-18
Securing Water Heater to Floor and Wall .........................9
T & P Valve and Pipe Insulation ........................................9
Water Piping ............................................................... 9-10
Water Piping Pressure Test.............................................10
Temperature Pressure Relief Valve ...........................10-11
Filling the Water Heater .............................................11-12
Venting ...................................................................... 12-13
Gas Piping ................................................................ 13-14
Sediment Traps ...............................................................14
White-Rodgers Fuel Conversion Instructions
from Natural Gas to Propane (L.P.) Gas ................... 14-16
White Rodgers Fuel Conversion Instructions
from Propane (L.P.) to Natural Gas .................................16
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
This gas-fired water heater is design certified by CSA INTERNATIONAL
under American National Standard/CSA Standard for Gas Water
Heaters for Manufactured Home Installation, 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.
2. Instructions to Manufactured Home Manufacturers:
The installation must conform with the Manufactured Home
Construction and Safety Standards Title 24 CFR, Part 3280.

taBle of contents

WHITE-RODGERS GAS VALVE ............................................19
ROBERTSHAW GAS VALVE .................................................20
INSTATLLATION CHECKLIST ...............................................21
TEMPERATURE REGULATION ............................................22
FOR YOUR INFORMATION ............................................. 23-24
PERIODIC MAINTENANCE ............................................. 25-27
LEAKAGE CHECKPOINTS ....................................................28
REPAIR PARTS ................................................................ 29-30
TROUBLESHOOTING GUIDELINES .....................................31
WARRANTY ......................................................................Insert

IntroductIon

3. If after reading this manual you have any questions or do not
4. Carefully plan the place where you are going to put the water
5. For California installation this water heater must be braced,
6. Massachusetts Code requires this water heater to be installed in
7. Complies with SCAQMD rule #1121 and districts having equivalent
4
RobertShaw Fuel Conversion Instructions
from Propane (L.P.) to Natural Gas ........................... 16-18
RobertShaw Fuel Conversion Instructions
from Natural Gas to Propane (L.P.) Gas .........................18
Start Up Conditions .........................................................23
Operational Conditions ............................................. 23-24
Venting System Inspection..............................................25
Burner Inspection ............................................................25
Burner Cleaning ..............................................................25
Housekeeping .................................................................25
Anode Rod Inspection.....................................................26
Temperature-Pressure Relief Valve Operation ...............26
Draining..................................................................... 26-27
Drain Valve Washer Replacement ..................................27
Service ............................................................................27
Instruction for replacement installation:
The installation must conform with these instructions and the local
code authority having jurisdiction. In the absence of local codes,
installations shall comply with the National Fuel Gas Code ANSI
Z223.1/NFPA 54, current edition. This publication is available from
the Canadian Standards Association, 8501 East Pleasant Valley Rd.,
Cleveland Ohio 44131, or The National Fire Protection Association,
1 Batterymarch Park, Quincy, MA 02269.
understand any portion of the instructions, call the local gas utility
or the manufacturer whose name appears on the rating plate.
heater. 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.
anchored, 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.