A.O. Smith Saudi Arabia, Instruction Manual

Page: 4 / 48

4
Thank You for purchasing this water heater. Properly installed
and maintained, it should give you years of trouble free service.
Installation and service of this water heater requires ability
equivalent to that of a licensed tradesman or qualifi ed agency (page
2) in the fi eld involved. Plumbing and electrical work are required.
Abbreviations Found In This Instruction Manual:
• ANSI - American National Standards Institute
• ASME - American Society of Mechanical Engineers
• NEC - National Electrical Code
• NFPA - National Fire Protection Association
• UL - Underwriters Laboratory
PREPARING FOR THE INSTALLATION
1.
Read the “General Safety Information” section of this
manual fi rst and then the entire manual carefully. If you don’t
follow the safety rules, the water heater may not operate
safely. It could cause DEATH, SERIOUS BODILY INJURY
AND/OR PROPERTY DAMAGE.
This manual contains instructions for the installation,
operation, and maintenance of the electric 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.
READ THE ENTIRE MANUAL BEFORE ATTEMPTING TO
INSTALL OR OPERATE THE WATER HEATER.
The model and rating plates on page 5 interprets certain
markings into useful information. Both of these references
should be used to identify the heater, its components and
optional equipment.
2. The installation must conform with these instructions and
the Local/National code authority having jurisdiction and
the requirements of the power company. In the absence
of Local/National codes, the installation must comply with
the latest editions of the National Electrical Code, NFPA
70 or the Canadian Electrical Code CSA C22.1. The
National Electrical Code may be ordered from: National
Fire Protection Association, 1 Batterymarch Park, Quincy,
MA 02269. The Canadian Electrical Code is available from
the Canadian Standards Association, 8501 East Pleasant
Valley Road, Cleveland, OH 44131. Qualified Installer must
install an all pole, full disconnect switch, per the Local/
National code.
3. If after reading this manual you have any questions or do
not understand any portion of the instructions, call the toll
free number listed on the back cover of this manual for
technical assistance.
A sample rating plate is shown on page 5 of this
manual. In order to expedite your request, please have
full model and serial number available for the technician.
4. Carefully plan your intended placement of the water heater.
Examine the location to ensure the water heater complies
with the “Locating the New Water Heater” section in this
manual.
Installation and service of this water heater requires ability
equivalent to that of a licensed tradesman or qualified
agency (page 2) in the field involved. Plumbing and
electrical work are required.
TABLE OF CONTENTS
INTRODUCTION
SAFE INSTALLATION, USE, AND SERVICE .................................. 2
GENERAL SAFETY INFORMATION ................................................ 3
Precautions .................................................................................... 3
Hydrogen Gas (Flammable) .......................................................... 3
INTRODUCTION ................................................................................ 4
Preparing for the Installation ........................................................ 4
MODEL AND RATING ........................................................................ 5
FEATURES AND COMPONENTS .................................................... 6
Electronic Control Models ............................................................ 6
LOCATING THE NEW WATER HEATER ......................................... 7
Facts to Consider About the Location ......................................... 7
Clearances ...................................................................................... 7
USER INFORMATION ......................................................................... 7
Thermostat Settings-Surface Mount Controls ............................ 7
USER CARE ........................................................................................ 7
Draining the Water Heater .......................................................... 7-8
Filling the Water Heater ................................................................. 8
INSTALLATION ................................................................................... 9
Required Ability ................................................................................ 9
General ............................................................................................ 9
Contaminated Water ........................................................................ 9
Circulating Pump .............................................................................. 9
Insulation Blankets ........................................................................... 9
Temperature-Pressure Relief Valve ............................................ 9-10
Closed Water Systems ................................................................... 10
Thermal Expansion ........................................................................ 10
ELECTRICAL .....................................................................................11
General ...........................................................................................11
Branch Circuit .................................................................................11
Calculating Amperage/Overcurrent Protection ................................11
WIRING DIAGRAMS ........................................................................ 12
OPERATION ..................................................................................... 13
General .......................................................................................... 13
Filling the Water Heater ................................................................. 13
Initial Start Up ................................................................................ 13
Draining the Water Heater ............................................................. 13
TEMPERATURE REGULATION ...................................................... 14
Temperature Adjustment ................................................................ 14
MAINTENANCE ................................................................................ 15
General .......................................................................................... 15
Anode Rod Inspection .................................................................... 15
TROUBLESHOOTING CHECKLIST ............................................... 16
Checklist ........................................................................................ 16
Leakage Checkpoints .................................................................... 17
WARRANTY ................................................................................. 18-19
Repair Parts List ....................................................................... 20-21
NOTES .......................................................................................... 22-24
Note:
USER/OWNER (BOLD TEXT)
QUALIFIED INSTALLER/SERVICE AGENCY ONLY (STANDARD TEXT).