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RESIDENTIAL
Thank you for buying this water heater from A.O. Smith Water Products
Company. We appreciate your confidence in our products.
Please read through this informative manual and pay special attention to
the following:
GENERAL SAFETY INFORMATION
TEXT PRINTED OR OUTLINED IN RED CONTAINS INFORMATION RELATIVE
TO YOUR SAFETY. PLEASE READ THOROUGHLY BEFORE INSTALLING
AND USING THIS APPLIANCE.
EXTERNAL DAMAGE
Do not operate the water heater until it has been fully checked out
by a qualified service technician, if the water heater:
• Has been exposed to fire or damage.
• Produces steam or unusually hot water.
If the water heater has been subject to flooding, it must be replaced.
INSULATION BLANKETS
Insulation blankets available to the general public for external use on
electric water heaters are not necessary with A. O. Smith water heater.
The purpose of an insulation blanket is to reduce the standby heat loss
encountered with storage tank water heaters. Your A. O. Smith water
heater meets or exceeds the National Appliance Energy Conservation
Act standards with respect to insulation and standby loss requirements,
making an insulation blanket unnecessary.
Should you choose to apply an insulation blanket to this heater, you
should follow these instructions (See Figure 1 for identification of
components mentioned below). Failure to follow these instructions can
result in fire, asphyxiation, serious personal injury or death.
•
Do not cover the temperature & pressure relief (T&P) valve.
•
Do not cover the instruction manual. Keep it on the side of the water
heater or nearby for future reference.
•
Do obtain new warning and instruction labels from A.O. Smith for
placement on the blanket directly over the existing labels.
EXTENDED NON-USE PERIODS
Hydrogen gas can be produced in a hot water system served by this
heater that has not been used for a long period of time (generally two
weeks or more). HYDROGEN GAS IS EXTREMELY FLAMMABLE.
reduce the risk of injury under these conditions, it is recommended that
the hot water faucet be opened for several minutes at the kitchen sink
before using any electrical appliance connected to the hot water system.
If hydrogen is present, there will probably be an unusual sound such as
air escaping through the pipe as the water begins to flow. THERE
SHOULD BE NO SMOKING OR OPEN FLAME NEAR THE FAUCET AT THE
TIME IT IS OPEN.
PRINTED IN THE U.S.A. 0903
ELECTRIC WATER HEATER
CAUTION
WARNING
WARNING
KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE
WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.
TABLE OF CONTENTS
GENERAL SAFETY INFORMATION ............................ 1
GET TO KNOW YOUR WATER HEATER .................... 2
INSTALLATION ............................................................. 3
WIRING DIAGRAMS .................................................... 4
OPERATION .................................................................. 5
MAINTENANCE & TROUBLE SHOOTING .................. 6
INSTALLING POINT OF USE WATER HEATERS ..... 7-9
LEAKAGE CHECKPOINT ............................................ 10
WARRANTY ................................................................. 11
To
A DIVISION OF A.O. SMITH CORPORATION
WWW.HOTWATER.COM
1
OWNER'S MANUAL
PART NO. 184551-000
SUPERSEDES PART NO. 183795-000
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Table of Contents
Related Manuals for A.O. Smith AOSRE50100
Summary of Contents for A.O. Smith AOSRE50100
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Page 1: Table Of Contents
RESIDENTIAL Thank you for buying this water heater from A.O. Smith Water Products Company. We appreciate your confidence in our products. Please read through this informative manual and pay special attention to the following: GENERAL SAFETY INFORMATION CAUTION TEXT PRINTED OR OUTLINED IN RED CONTAINS INFORMATION RELATIVE TO YOUR SAFETY. -
Page 2: Get To Know Your Water Heater
GET TO KNOW YOUR WATER HEATER LOWBOYS UPRIGHTS INSTALL SUITABLE DRAIN PANS UNDER HEATERS TO PREVENT DAMAGE DUE TO LEAKAGE. REFER TO WATER HEATER LOCATION ON PAGE 3. INSTALL VACUUM RELIEF IN COLD WATER INLET LINE AS REQUIRED BY LOCAL CODES. INSTALL THERMAL EXPANSION TANK OR DEVICE IF WATER HEATER IS INSTALLED IN A CLOSED WATER SYSTEM. -
Page 3: Installation
INSTALLATION WARNING FOR CALIFORNIA INSTALLATION THIS WATER HEATER MUST BE BRACED, ANCHORED, OR STRAPPED TO AVOID FALLING OR MOVING DURING AN EARTHQUAKE. SEE INSTRUCTIONS FOR CORRECT INSTALLATION PROCEDURES. INSTRUCTIONS MAY BE OBTAINED FROM YOUR LOCAL DEALER, WHOLESALER, PUBLIC UTILITIES OR CALIFORNIA'S OFFICE OF THE STATE ARCHITECT, 400 P STREET, SACRAMENTO, CA 95814. -
Page 4: Wiring Diagrams
DANGER : TURN OFF THE HEATER ELECTRICAL SUPPLY BEFORE SERVICING ANY ELECTRICAL COMPONENTS. STANDARD SINGLE ELEMENT 240 VOLT 2 WIRE 240 VOLT POWER SUPPLY NON-SIMULTANEOUS OPERATION WIRING FOR 3 WIRE LEAD WATER HEATERS *NOTE: Some Lower Hi-Temp.Limit Switches may have 4 terminals. Use only the 2 terminals on left. -
Page 5: Operation
OPERATION CAUTION NEVER OPERATE THE HEATER WITH THE COLD WATER INLET VALVE CLOSED OR WITHOUT FILLING WITH WATER PER THE FILLING INSTRUCTIONS. FAILURE TO DO SO WILL CAUSE DAMAGE AND CAN VOID ELEMENT WARRANTY. FILLING 1. Close the water heater drain valve. (Turn clockwise 2. -
Page 6: Maintenance & Trouble Shooting
A thermal expansion tank may be needed to allow water to expand. Expansion tanks are available from A.O. Smith Water Products Company, 5621 W. 115th Street, Alsip, IL 60803. Inspect the unit for proper operation. Do not ignore the water discharge. Never plug the T&P relief valve. -
Page 7: Installing Point Of Use Water Heaters
INSTALLING THE POINT OF USE WATER HEATER (SEE PAGE 2 FOR TYPICAL INSTALLATIONS) OPTIONAL WALL MOUNTING WARNING WALL CONSTRUCTION AT THE POINT OF THE WATER HEATER INSTALLATION MUST BE CAPABLE OF SUPPORTING AT LEAST 200 POUNDS. As an example: if the water heater is to be installed on a wall of gypsum board (dry wall) or other material not capable of supporting the water heater filled with water, additional bracing will be necessary. - Page 8 OPTIONAL CORD SET WIRING (120 VOLT AND 240 VOLT) There may be a cord set supplied with the water heater at the time of manufacture. If not, one can be ordered through the Parts Department, see "Repair Parts" section. Refer to figure 10 below. WIRING DIAGRAMS DANGER TURN OFF THE HEATER ELECTRICAL SUPPLY BEFORE SERVICING ANY ELECTRICAL COMPONENTS.
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Page 9: Temperature Settings
POINT OF USE WATER HEATER OPERATION CAUTION NEVER OPERATE THE HEATER WITH THE COLD WATER INLET VALVE CLOSED OR WITHOUT FILLING WITH WATER PER THE FILLING INSTRUCTIONS. FAILURE TO DO SO WILL CAUSE DAMAGE AND CAN VOID ELEMENT WARRANTY. FILLING 1. -
Page 10: Leakage Checkpoint
INSTRUCTIONS: USE THIS ILLUSTRATION AS A GUIDE WHEN CHECKING FOR SOURCES OF WATER LEAKAGE. YOU OR YOUR DEALER MAY BE ABLE TO CORRECT WHAT APPEARS TO BE A PROBLEM. Cover and Insulation shown removed to reveal tank top Anode Rod Where possible, remove or lift top cover to examine threads of fittings installed into tank for evidence of leakage. -
Page 11: Warranty
LIMITED RESIDENTIAL ELECTRIC WARRANTY THIS WARRANTY IS APPLICABLE TO THE ORIGINAL OWNER ONLY. If the glass lined tank in this water heater shall prove upon examination by A. O. Smith Corporation (the warrantor) to have leaked during the warranty period in normal residential use, due to natural corrosion from potable water therein, the warrantor will furnish the ORIGINAL OWNER a replacement A. - Page 12 5621 W. 115TH STREET • ALSIP, ILLINOIS 60803 Phone: 1-800-433-2545 • Fax: 1-800-433-2515 www.hotwater.com / email: parts @hotwater.com...