A.O. Smith FDV Owner's Manual

A.o. smith gas water heaters owner's manual fdv, fdvt, sdv

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Owner's manual (12 pages)

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RESIDENTIAL

Thank you for buying this energy efficient water heater from

A.O. Smith Water Products Company. We appreciate your

confidence in our products.

You should thoroughly read this manual before installation

and/or operation of this water heater. Please pay particular

attention to the important safety and operating instructions

as well as the WARNINGS and CAUTIONS.

PRINTED IN U.S.A. 0203

KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE

WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.

GAS WATER HEATERS

DIRECT VENT

GAS MODELS

FDV/FDVT/SDV

.............................................................................

GET TO KNOW YOUR WATER HEATER ...................... 2

GENERAL SAFETY INFORMATION ............................. 3

INSTALLATION ......................................................... 3-18

OPERATION ............................................................. 18-20

MAINTENANCE AND

TROUBLESHOOTING .............................................. 20-22

WARRANTY ................................................................. 23

TEXT PRINTED OR OUTLINED IN RED CONTAINS

INFORMATION RELATIVE TO YOUR SAFETY. PLEASE READ

THOROUGHLY BEFORE INSTALLING AND USING THIS

APPLIANCE.

A DIVISION OF A.O. SMITH CORPORATION

OWNER'S MANUAL

CAUTION

www.hotwater.com

PART NO. 184160-000

SUPERSEDES PART NO. 183770-000

PAGE

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Page 1: Table Of Contents
RESIDENTIAL Thank you for buying this energy efficient water heater from A.O. Smith Water Products Company. We appreciate your confidence in our products. You should thoroughly read this manual before installation and/or operation of this water heater. Please pay particular attention to the important safety and operating instructions as well as the WARNINGS and CAUTIONS.
Page 2: Get To Know Your Water Heater
GET TO KNOW YOUR WATER HEATER TYPICAL INSTALLATION WARNING DO NOT ATTEMPT TO OPERATE WATER HEATER WITH COLD WATER INLET VALVE CLOSED. ALL PIPING MATERIALS TO BE SUPPLIED BY CUSTOMER. REPLACEMENT PARTS Replacement parts may be ordered through authorized servicers or distributors. Refer to the Yellow Pages for where to call or contact A.
Page 3: General Safety Information
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. INSTALLATION...
Page 4: Closed Water System
the heater. Such pans should have a minimum length and width of at least 2 inches greater than the diameter of the heater and should be piped to an adequate drain. Drain pans suitable for these heaters are available from your dealer or A. O. Smith Water Products Company, 5621 W.
Page 5: Vent Pipe Termination
torque when attaching gas supply pipe to thermostat gas inlet. The thermostat inlet has a pad for use with a backup wrench. Apply joint compounds (pipe dope) sparingly and only to the male threads of pipe joints. Do not apply compound to the first two threads.
Page 6: Venting Clearances
VENTING CLEARANCES • 18” minimum in all directions from any obstruction that may interfere. • 18” minimum from the ground and 12” from ceiling overhangs. Figure 4. • The direct vent terminal shall terminate at least 3 feet above any forced air inlet located within 10 feet. Figure 5. •...
Page 7: Vertical (Extension Kit) Height
FIGURE 9 Unless otherwise specified at the time of ordering, a standard extension kit is individually packaged and shipped within the water heater carton. POSSIBLE EXTENSION COMBINATIONS FIGURE 10 FIGURE 11 WARNING At no time can more than one Vertical and/or one Horizontal Vent Kit be used.
Page 8: All Installations
TABLE 2. E DIMENSIONS 40-50 Gal. VENT KITS MIN. MAX. 900068-7-STD. 3-1/2 900124-6 15-1/2 900124-7 15-1/2 26-1/2 900124-8 26-1/2 *BTU’S in *GAL. 1000’s CAP. NAT/L.P. 36/36 48-3/4 38/38 57-1/2 40/40 48-3/4 48/44 55 NAT. *See models and rating plate attached to the water heater for specific model number and other detailed information.
Page 9 4. First remove the 3” horizontal extension from the elbow. Starting with the long end (with four securing holes), place the 6” diameter vent elbow over the 3” diameter elbow. Bend the round end “oval” to fit the flared oval end of the jacket top.
Page 10 FIGURE 26 12. Four wood screws are supplied to temporarily attach the collar to the exterior wall of the building. However, other types of screws may have to be substituted depending on the material used in the construction of the exterior wall. FIGURE 27 13.
Page 11 simple equation below, to find the length of expansion of the telescoping flue sections. Because of manufacturing tolerances, place the telescoping extension on the water heater and adjust the height (“X” Dimension) and mark the point. Once the length has been determined, lock the two sections together by drilling two holes (180°...
Page 12 8. Making sure the 6” diameter elbow is centered around the 3” diameter flue, secure the 6” diameter vent pipe using two sheet metal screws at the connection of the elbow and 6” vertical extension. FIGURE 41 9. The standard vent kit includes a 6” diameter extension pipe which is used when “E”...
Page 13 17. Connect the vent cap by sliding its end over the 3” diameter extension pipe and O-ring. NOTE: To facilitate ease of assembly of the vent cap to the 3” pipe, a soap solution can be applied to the O-ring gasket.
Page 14 FIGURE 57 5. Making sure the 6” diameter elbow is centered around the 3” diameter flue, secure the 6” diameter vent pipe using four sheet metal screws at the connection of the jacket top. FIGURE 58 6. The standard kit includes a single piece of 3” flue and 6” vent pipe which will not be used in conjunction with the horizontal kit.
Page 15 14. Place the vent cap in the vent collar assembly. FIGURE 67 15. The vent cap has 4 holes around the outer edge. Remove the 4 screws used to temporarily attach the collar to the exterior wall. Then secure the vent cap assembly with the vent collar assembly to the exterior wall using the same 4 screws.
Page 16 FIGURE 74 Use the simple equation below, chart and drawing to find the length of expansion of the telescoping flue sections. Because of manufacturing tolerances, place the telescoping extension on the water heater and adjust the height (“X” Dimension) and mark the point.
Page 17 8. The standard kit includes a single piece of 3” flue and 6” vent pipe which will not be used in conjunction with the optional horizontal kit. FIGURE 82 9. Making sure the 6” diameter elbow is centered around the 3”...
Page 18: Operation
4 screws used to temporarily attach the collar to the exterior wall. Then secure the vent cap assembly with the vent collar assembly to the exterior wall using the same 4 screws. NOTE: Screws are supplied; however, substitution may be necessary depending on the exterior wall material.
Page 19: For Your Safety Read Before Lighting
FOR YOUR SAFETY READ BEFORE LIGHTING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A.This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly.
Page 20: Operation
A SUITABLE AREA IS NOT AVAILABLE, A COVER SHOULD BE INSTALLED OVER THE THERMOSTAT TO PREVENT TAMPERING. Suitable covers are available through A.O. Smith Water Products Company, 5621 W. 115th Street, Alsip, IL 60803. Phone: 1-800-433-2545, fax: 1-800-433-2515, email: www.hotwater.com It is recommended that lower water temperatures be used to avoid the risk of scalding.
Page 21 be called to determine the reason for limit operation and thus avoid repeated thermostat replacement. Lower the temperature adjustment dial setting on the new control. VENTING HAVE VENTING SYSTEM CHECKED EVERY SIX MONTHS FOR OBSTRUCTIONS AND/OR DETERIORATION IN VENT PIPING. TEMPERATURE &...
Page 22: Troubleshooting
Please check guidelines below. For your safety, water heater service should be performed only by a qualified service technician. Read the GENERAL SAFETY INFORMATION section first. PROBLEM POSSIBLE MALFUNCTION NO HOT WATER 1) No pilot A. No gas to pilot B.
Page 23: Limited Residential Gas Warranty
TABLE 1. WARRANTY PERIOD MODEL TANK FDV / FDVT / SDV 6 YEARS When the water heater has been used for other than single family residential application; 1. The tank warranty shall be reduced to 1 year for 6 year models.
Page 24 5621 W. 115TH STREET, ALSIP, IL 60803 PHONE: 1-800-433-2545 FAX: 1-800-433-2515 www.hotwater.com / email: parts@hotwater.com...

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A.O. Smith FDV Owner's Manual

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