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A.O. Smith GDV Instruction Manual

Other manuals for GDV: Instruction Manual
Manual is about: A.O. Smith Residental Gas Water Heater Owner's Manual

Summary of GDV

  • Page 1

    Instruction manual printed in canada 1107 part no. 186138-000 keep this manual in the pocket on heater for future reference whenever maintenance adjustment or service is required. Direct vent gas models gdv/gdvt not for use in manufactured (mobile) homes residential gas water heaters • for your safe...

  • Page 2

    2 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 poten...

  • Page 3

    3 general safety.

  • Page 4

    4 safe installation, use and service . . . . . . . . . . . . . 2 general safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 table of contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 5

    5 for all side wall terminated, horizontally vented power vent, direct vent, and power direct vent gas fueled water heaters installed in every dwelling, building or structure used in whole or in part for residential purposes, including those owned or operated by the commonwealth and where the side w...

  • Page 6

    6 get to know your water heater replacement parts replacement parts may be ordered through authorized servicers or distributors. When ordering parts, provide complete model and serial numbers (see rating plate), quantity and name of part desired (as listed in figure 1). Standard hardware items may b...

  • Page 7

    7 figure 2 mixing valve usage 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...

  • Page 8

    8 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 manufac...

  • Page 9

    9 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...

  • Page 10

    10 required ability installation or service of this water heater requires ability equivalent to that of a licensed tradesman in the field involved. Plumbing, air supply, venting and gas supply are required. Inspect shipment there may be hidden damage caused in transit. Check to be certain all parts ...

  • Page 11

    11 hot water outlet cold water intlet drain valve discharge pipe (do not cap or plug) drain pan 3/4” sweat fitting union shutoff valve floor drain 3/4” sweat fitting temperature and pressure relief valve union 6” maximum air gap figure 5 figure 5 shows the typical attachment of the water piping to t...

  • Page 12

    12 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...

  • Page 13

    13 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 national fuel gas code ansi z223.1/nfpa 54 which- ever applies. Copper and brass tubing and fi ttings (except tin lined cop...

  • Page 14

    14 sediment traps a sediment trap shall be installed as close to the inlet of the water heater as practical at the time of water heater installation. 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 15

    15 combustion air and ventilation when determining the installation location for a direct vent water heater, snow accumulation and drifting should be considered in areas where applicable. Vent terminal clearances the vent system must terminate so that proper clearances are maintained as cited in loc...

  • Page 16

    16 figure 12 be sure venting is properly connected to prevent escape of dan- gerous fl ue gases which could cause deadly asphyxiation. Figure 13 vent connections after the location for the vent terminal has been selected as outlined in figures 3, 4 & 11, use the following illustrations for installat...

  • Page 17

    17 standard vent arrangement 2.6 in. (67mm) 3.6 in. (91mm) 2.1 in. (54.5mm) wall 17 in. (432mm) min.,* 80 in. (2.03m) max. Figure 17 * if the horizontal distance is less than 30 in. (760mm), the restricter plate must be installed (see figure 22). Vent assembly the vent tube and terminal are assemble...

  • Page 18

    18 pull and connect the 3-1/8 in. (80mm) corrugated tube to the water heater’s fl ue tube reducer with hi-temp red silicone (included) and gear clamp. Make sure this connection is tight and leak proof. *the sealant between 3-1/8 in. (80mm) corrugated tube and water heater’s fl ue tube reducer must b...

  • Page 19: Lighting Instructions

    19 1. Turn the thermostat dial to lowest setting (pilot lighting). 2. Push gas control knob down slightly and turn clock-wise to 'off'. Do not force. See figure 'a'. To turn off gas to appliance 186271-000 1. Stop! Read the safety information above on this label. 2. Set the thermostat to lowest sett...

  • Page 20

    20 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 peop...

  • Page 21

    21 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 ooded it must be rep...

  • Page 22

    22 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 t...

  • Page 23

    23 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 pr...

  • Page 24

    24 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. If water does not ...

  • Page 25

    25 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 30) 1. Turn “off” gas supply to water heater. 2. Follow “draining” instruct...

  • Page 26

    26 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 27

    27 troubleshooting guidelines problem possible cause(s) correction burner will not ignite 1. Pilot not lit 2. Thermostat set too low 3. No gas 4. Dirt in the gas lines 5. Pilot line clogged 6. Main burner line clogged 7. Defective thermocouple 8. Defective gas control/thermostat 9. Heater installed ...

  • Page 28

    28 problem possible cause(s) correction slow hot water recov- ery 1. Insuffi cient secondary air 2. Flue clogged 3. Low gas pressure 4. Improper calibration 5. Gas control/thermostat set too low 6. Water heater too small 7. Wrong piping connections 8. Wasted hot water 1. Provide ventilation to water...

  • Page 29

    29 notes.

  • Page 30: Residential Gas Warranty

    30 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 thi...

  • Page 31

    31 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 wa...

  • Page 32

    32 500 tennessee waltz parkway ashland city, tn 37015 phone: 1-800-433-2545 fax: 1-800-433-2515 www.Aosmithwaterheaters.Com / email: parts@hotwater.Com.