A.O. Smith FMD 40 Water Heater User Manual


 
4
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 .................................................................8-9
INSTALLING THE NEW WATER HEATER ...............................9-19
Water Heater Installation ......................................................9-10
Securing Water Heater to Floor and Wall ................................10
Roof Jack Installation .........................................................11-14
Manufactured Home installed Over Basement or
Crawl space-Air Intake Through an Outside wall ...............12,13
Cutting Opening Through an Outside Wall and
Collar Installation ................................................................13
Cementing PVC, ABS or CPVC Pipe and Fittings ..............13
Water Piping ............................................................................14
T & P Valve and Pipe Insulation ....................................14,15
Temperature Pressure Relief Valve ....................................15
Filling the Water Heater ...........................................................16
Gas Piping ...............................................................................16
Sediment Traps .......................................................................17
Fuel Conversion Instructions from Natural Gas
to Propane (L.P.) Gas .........................................................17,18
Fuel Conversion Instructions from Propane (L.P.)
to Natural Gas .........................................................................19
LIGHTING & OPERATING LABEL ...............................................20
TEMPERATURE REGULATION ..................................................21
FOR YOUR INFORMATION ....................................................21-22
Start Up Conditions .................................................................21
Condensate ...................................................................21,22
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
PERIODIC MAINTENANCE ....................................................23-25
Venting System Inspection ......................................................23
Burner Inspection ....................................................................23
Burner Cleaning ......................................................................23
Housekeeping .........................................................................23
Anode Rod Inspection .............................................................24
Temperature-Pressure Relief Valve Operation ........................24
Draining ...................................................................................24
Drain Valve Washer Replacement ...........................................24
Service ....................................................................................25
LEAKAGE CHECKPOINTS ..........................................................25
TROUBLESHOOTING .................................................................26
REPAIR PARTS ............................................................................27
WARRANTY ............................................................................Insert
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
• UL - Underwriters Laboratories Inc.
This gas- red water heater is design certi ed 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 rst 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- red 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 rst 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 Mobile Homes Industrialized
Building Construction standard CAN/CSA-Z240.4.1.
Instruction for replacement installation:
The installation must conform with these instructions and
the local code authority having jurisdiction. In addition,
installations shall comply with the Natural Gas and Propane
Installation Code (CAN/CSA-B149.1-current edition). This
publication is available from the Canadian Standards Association,
5060 Spectrum Way, Suite 100 Mississauga, Ontario,
Canada L4W 5N6.
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 res, 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.
INTRODUCTION
TABLE OF CONTENTS