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  3. Water Heater
  4. 186589-004
  5. Instruction Manual

A.O. Smith 186589-004 Instruction Manual

Manual is about: A.O. Smith Water Heater Instruction Manual DIRECT VENT GAS MODELS GDV/GDVT

Summary of 186589-004

  • Page 1

    Instruction manual printed in canada 0608 part no. 186589-004 rev. B 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 yo...

  • 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 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 6

    6 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 7

    7 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 8

    8 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 9

    9 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 o...

  • Page 10

    10 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 11

    11 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 12

    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 ttings (excep...

  • Page 13

    13 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 s...

  • Page 14

    14 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 15

    15 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 figu...

  • Page 16

    16 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 760mm (30 in.), the restricter plate must be installed (see figure 22). Vent assembly the vent tube and terminal can be assem...

  • Page 17

    17 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. Figure 24 check the level or s...

  • Page 18

    18 1. Stop! Read the safety information above on this label. 2. Set the thermostat to lowest setting. 3. This appliance has a pilot that is lit by a spark gas ignition system. Do not try to light the pilot by hand. 4. Remove the outer burner door. 5. Push the gas control knob down slightly and turn ...

  • Page 19

    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 peop...

  • Page 20

    20 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 21

    21 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 22

    22 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 23

    23 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 24

    24 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. Turn “off” gas supply to water heater. 2. Follow “draining” instruct...

  • Page 25

    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

    26 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 27

    27 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 28

    28 notes.

  • Page 29: Residential Gas Warranty

    29 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 30

    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 wa...

  • Page 31

    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.