Table Of Contents; Introduction; Preparing For The New Installation - A.O. Smith GCVT-40 Instruction Manual

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
Filling the Water Heater .................................................. 12
Venting ..................................................................... 12-13
Gas Piping ................................................................ 13-14
Sediment Traps .............................................................. 14
LIGHTING & OPERATING LABEL ............................................ 15
TEMPERATURE REGULATION ................................................ 16
FOR YOUR INFORMATION ............................................... 16-17
Start Up Conditions ........................................................ 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
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.
T T T T T ABLE OF CONTENTS ABLE OF CONTENTS ABLE OF CONTENTS
ABLE OF CONTENTS ABLE OF CONTENTS
OPERATIONAL CONDITIONS .................................................. 18
PERIODIC MAINTENANCE ....................................................... 18
LEAKAGE CHECKPOINTS ...................................................... 20
REPAIR PARTS ....................................................................... 21
TROUBLESHOOTING .............................................................. 22
NOTES .................................................................................... 23
WARRANTY ..................................................................... Insert

INTRODUCTION

INTRODUCTION INTRODUCTION
INTRODUCTION INTRODUCTION
2. The installation must conform with these instructions and the local
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 heater.
5. For California installation this water heater must be braced, anchored,
6. Massachusetts Code requires this water heater to be installed in
7. Complies with SCAQMD rule #1121 and districts having equivalent
4
Draft Hood Operation ..................................................... 16
Condensate .............................................................. 16-17
Smoke/Odor .................................................................... 17
Thermal Expansion ......................................................... 17
Strange Sounds .............................................................. 17
Smelly Water .................................................................. 17
"Air" in Hot Water Faucets ............................................. 17
High Temperature Shut Off System ............................... 17
Venting System Inspection ............................................ 18
Burner Inspection ........................................................... 18
Burner Cleaning .............................................................. 18
Housekeeping .......................................................... 18-19
Anode Rod Inspection .................................................... 19
Temperature-Pressure Relief Valve Operation .............. 19
Draining .......................................................................... 19
Drain Valve Washer Replacement ........................... 19-20
Service ........................................................................... 20
code authority having jurisdiction. In the absence of local codes,
installations shall comply with the National Fuel Gas Code ANSI
Z223.1/NFPA 54. 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.
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.