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A.O. Smith 186589-004 Instruction Manual

A.o. smith water heater instruction manual direct vent gas models gdv/gdvt
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A DIVISION OF A. O. SMITH CORPORATION
Ashland City, TN 37015
www.hotwater.com
ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER
HEATER WAS PURCHASED. IF YOU ARE UNSUCCESSFUL, PLEASE WRITE TO THE COMPANY LISTED ON THE RATING
PLATE ON THE WATER HEATER.
KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE
PRINTED IN CANADA 0608
RESIDENTIAL GAS WATER HEATERS
GAMA certifi cation applies to
all residential gas water heat-
ers with capacities of 20 to
100 gallons with input rating
of 75,000 BTU/Hr. or less.
WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.

Instruction Manual

DIRECT VENT GAS MODELS GDV/GDVT
NOT FOR USE IN MANUFACTURED (MOBILE) HOMES
•

For Your Safety

AN ODORANT IS ADDED TO THE GAS USED
BY THIS WATER HEATER.
•
PART NO. 186589-004 REV. B

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Summary of Contents for A.O. Smith 186589-004

  • Page 1: Instruction Manual

    PRINTED IN CANADA 0608 Instruction Manual DIRECT VENT GAS MODELS GDV/GDVT NOT FOR USE IN MANUFACTURED (MOBILE) HOMES • For Your Safety AN ODORANT IS ADDED TO THE GAS USED BY THIS WATER HEATER. • PART NO. 186589-004 REV. B...

  • Page 2: Safe Installation, Use And Service

    SAFE INSTALLATION, USE AND SERVICE Your safety and the safety of others is extremely important in the installation, use and servicing of this water heater. Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a potential injury hazard.

  • Page 3: General Safety

    GENERAL SAFETY...

  • Page 4: Table Of Contents

    SAFE INSTALLATION, USE AND SERVICE ... . . 2 GENERAL SAFETY ....... . 3 TABLE OF CONTENTS .

  • Page 5: Typical Installation

    GET TO KNOW YOUR WATER HEATER TRIM PLATE (OUTSIDE) TRIM PLATE (INSIDE) HOT WATER OUTLET PIPE ANODE FLUE BAFFLE GAS SUPPLY LINE MAIN MANUAL GAS SHUTOFF VALVE GROUND-JOINT UNION DIRT LEG OUTER DOOR ALL PIPING MATERIALS TO BE SUPPLIED BY CUSTOMER. TYPICAL INSTALLATION REPLACEMENT PARTS Replacement parts may be ordered through authorized servicers...

  • Page 6: Mixing Valve Useage

    MIXING VALVE USAGE NON-SCALD TEMPERING VALVE (*ALSO CALLED MIXING VALVE) NON-TEMPERED WATER SUPPLY SUGGESTED PIPING ARRANGEMENT FOR TOP CONNECTIONS This appliance has been design certifi ed as complying with American National Standard/CSA Standard for water heaters and is considered suitable for: Water (Potable) Heating and Space Heating: All models are considered suitable for water (potable) heating and space heat- ing.

  • Page 7: Locating The New Water Heater

    FACTS TO CONSIDER ABOUT THE LOCATION Carefully choose an indoor location for the new water heater, because the placement is a very important consideration for the safety of the occupants in the building and for the most eco- nomical use of the appliance. This water heater is not for use in manufactured (mobile) homes or outdoor installation.

  • Page 8: Insulation Blankets

    INSULATION BLANKETS Insulation blankets available to the general public for external use on gas water heaters are not necessary with this product. The purpose of an insulation blanket is to reduce the standby heat loss encountered with storage tank water heaters. Your Water heater meets or exceeds the National Appliance Energy Conser- vation Act standards with respect to insulation and standby loss requirements, making an insulation blanket unnecessary.

  • Page 9: Installing The New Water Heater

    REQUIRED ABILITY INSTALLATION OR SERVICE OF THIS WATER HEATER REQUIRES ABILITY EQUIVALENT TO THAT OF A LICENSED TRADESMAN IN THE FIELD INVOLVED. SUPPLY, VENTING AND GAS SUPPLY ARE REQUIRED. INSPECT SHIPMENT There may be hidden damage caused in transit. be certain all parts of the venting system, as listed below, are present.

  • Page 10: T & P Valve And Pipe Insulation (If Supplied)

    HOT WATER OUTLET UNION 3/4” SWEAT FITTING DRAIN VALVE FLOOR DRAIN FIGURE 5 Figure 5 shows the typical attachment of the water piping to the water heater. The water heater is equipped with 3/4“ NPT water connections. NOTE: If using copper tubing, solder tubing to an adapter before attaching the adapter to the cold water inlet connection.

  • Page 11: Water (Potable) Heating And Space Heating

    distance below the structural fl oor. Be certain that no contact is made with any live electrical part. The discharge opening must not be blocked or reduced in size under any circumstances. Excessive length, over 30 ft. (9.14m), or use of more than four elbows can cause restriction and reduce the discharge capacity of the valve, see Figures 5 or 10.
  • Page 12 minimum inlet gas pressure shown on the rating plate is that which will permit fi ring at rated input. All gas piping must comply with local codes and ordinances or with the “Natural Gas and Propane Installation Code” CAN/ CSA-B149.1 whichever applies. Copper and brass tubing and fi...

  • Page 13: Sediment Traps

    SEDIMENT TRAPS A drip leg (sediment trap) shall be installed as close to the inlet of the water heater as practical at the time of water heater installa- tion. The sediment trap shall be either a tee fi tting with a capped nipple in the bottom outlet or other device recognized as an ef- fective sediment trap.

  • Page 14: Combustion Air And Ventilation

    *Minimum 9 in. (23 cm) for appliances with 10,000 btuh (3 Kw) to 50,000 btuh (15 Kw) inputs and 12 in. (30 cm) for appliances greater than 50,000 btuh (15 Kw) to a window or door that may be opened 12 in.

  • Page 15: Vent Connections

    DV TERMINATION SAFETY COVER A Safey cover (see Figure 13) is available to prevent accidental contact with the vent terminal. Contact your Customer Service Department for ordering information. FIGURE 13 VENT CONNECTIONS After the location for the vent terminal has been selected as outlined in Figures 3, 4 &...

  • Page 16: Standard Vent Arrangement

    STANDARD VENT ARRANGEMENT 3.6 in. 17 in. (432mm) MIN.,* (91mm) 80 in. (2.03m) MAX. 2.6 in. (67mm) 2.1 in. (54.5mm) FIGURE 17 * If the horizontal distance is less than 760mm (30 in.), the restricter plate must be installed (see Figure 22). VENT ASSEMBLY The vent tube and terminal can be assembled as shown in Figure 18.

  • Page 17: Offset Vent Arrangement Condition 1

    FIGURE 23 Apply hi-temp red silicone (included) around the collar on air manifold box. Pull corrugated vent tube all the way on to collar and secure with one sheet metal screw (approx. 19mm (3/4 in.) up from edge of vent tube. Pull gear clamp past screw and tighten.

  • Page 18: Lighting & Operating Label

    WARNING: 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 that is lit by a piezo-electric spark gas ignition system. Do not open the inner door of the appliance and try to light the pilot by hand.

  • Page 19: Temperature Regulation

    TEMPERATURE REGULATION HOT WATER CAN SCALD: Water heaters are intended to produce hot water. Water heated to a temperature that will satisfy space heating, clothes washing, dish washing, and other sanitizing needs can scald and permanently injure you upon contact. Some people are more likely to be permanently injured by hot water than others.

  • Page 20: For Your Information

    EXTERNAL DAMAGE Do not operate the water heater until it has been fully checked out by a qualifi ed technician, if the water heater: • Has been exposed to fi re or damage. • Displays evidence of sooting. • Produces steam or unusually hot water. If the water heater has been fl...

  • Page 21: Air" In Hot Water Systems

    lines. Contact the local water heater supplier or service agency for further information concerning an Anode Replacement Kit and this chlorination treatment. If the smelly water persists after the anode replacement and chlorination treatment, we can only suggest that chlorination or aeration of the water supply be considered to eliminate the water problem.

  • Page 22: Maintenance

    FOR YOUR SAFETY AND SATISFACTORY OPERATION, IT IS RECOMMENDED THAT THIS HEATER BE CHECKED ONCE A YEAR BY A COMPETENT SERVICE PERSON. USERS OF THIS APPLIANCE SHOULD BE AWARE THAT GAS COMPONENTS WEAR OUT OVER A PERIOD OF TIME. THE GAS CARRYING COMPONENTS OF THIS APPLIANCE SHOULD BE INSPECTED FOR PROPER OPERATION PERI- ODICALLY BY A QUALIFIED SERVICE TECHNICIAN.

  • Page 23: Temperature & Pressure Relief Valve

    TEMPERATURE & PRESSURE RELIEF VALVE At least once a year, the temperature and pressure relief valve, Figure 1, must be checked to ensure that it is in operating condi- tion. Lift the lever at the top of the valve several times until the valve seats properly and operates freely.

  • Page 24: Drain Valve Washer Replacement

    Before removing the anode: 1) the tank water should be cool, 2) the cold water shut off valve must be closed, and 3) water pres- sure must be relieved by opening a nearby faucet. DRAIN VALVE WASHER REPLACEMENT (See Figure 29) 1.

  • Page 25: Leakage Checkpoints

    SERVICE If a condition persists or you are uncertain about the operation of the water heater contact a service agency. Use this guide to check a “Leaking” water heater. Many sus- pected “Leakers” are not leaking tanks. Often the source of the water can be found and corrected.

  • Page 26: Troubleshooting Guidelines

    PROBLEM 1. Pilot not lit 2. Thermostat set too low 3. No gas 4. Dirt in the gas lines BURNER WILL NOT IGNITE 5. Pilot line clogged 6. Main burner line clogged 7. Defective thermocouple 8. Defective gas control/thermostat 9. Heater installed in a confi ned area SMELLY WATER 1.
  • Page 27 PROBLEM 1. Insuffi cient secondary air 2. Flue clogged 3. Low gas pressure SLOW HOT WATER RECOV- 4. Improper calibration 5. Gas control/thermostat set too low 6. Water heater too small 7. Wrong piping connections 8. Wasted hot water 1. Excessive water pressure DRIP FROM RELIEF VALVE 2.

  • Page 28: Notes

    NOTES...

  • Page 29: Warranty

    RESIDENTIAL GAS WARRANTY THIS WARRANTY IS APPLICABLE TO THE ORIGINAL OWNER ONLY in accordance with the warranty terms and conditions specifi ed below. The warrantor will furnish the ORIGINAL OWNER, 1) a replacement water heater of equivalent size and cur- rent model if the glass-lined tank in this water heater leaks and, 2) a replacement part for any component part which fails.
  • Page 30 SERVICE AND LABOR RESPONSIBILITY UNDER THIS LIMITED WARRANTY, THE WARRANTOR WILL PROVIDE ONLY A REPLACEMENT WATER HEATER OR PART THEREOF. THE OWNER IS RESPONSIBLE FOR ALL OTHER COSTS. Such costs may include but are not limited to: a. Labor charges for service, removal, or reinstallation of the water heater or part thereof.
  • Page 31 500 TENNESSEE WALTZ PARKWAY ASHLAND CITY, TN 37015 PHONE: 1-800-433-2545 FAX: 1-800-433-2515 www.aosmithwaterheaters.com / email: parts@hotwater.com...

This manual is also suitable for:

Promax direct-vent gdv-40Promax direct-vent gdv-50Promax direct-vent gdv-75Promax direct-vent gdvt-50

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