Instruction/ maintenance manual of the product GDV-50 A.O. Smith
Go to page of 31
Instruction Manual PRINTED IN CANADA 0608 P AR T NO. 186589-004 REV . B KEEP THIS MANUAL IN THE POCKET ON HEA TER FOR FUTURE REFERENCE WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.
2 SAFE INST ALLA TION, USE AND SERVICE Y our 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.
3 GENERAL SAFETY.
4 SAFE INST ALLA TION, USE AND SERVICE . . . . . . . . . . . . . 2 GENERAL SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 T ABLE OF CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 INTRODUCTION . . . . . .
5 GET TO KNOW YOUR W A TER HEA TER REPLACEMENT P ARTS 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).
6 FIGURE 2 MIXING V AL VE USAGE This appliance has been design certi fi ed as complying with American National Standard/CSA Standard for water heaters and is considered suitable for: W ater (Potable) Heating and Space Heating: All models are considered suitable for water (potable) heating and space heat- ing.
7 F ACTS TO CONSIDER ABOUT THE LOCA TION 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.
8 INSULA TION 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.
9 REQUIRED ABILITY INST ALLA TION OR SERVICE OF THIS W A TER HEA TER REQUIRES ABILITY EQUIV ALENT TO THA T OF A LICENSED TRADESMAN IN THE FIELD INVOL VED. PLUMBING, AIR SUPPL Y , VENTING AND GAS SUPPL Y ARE REQUIRED. INSPECT SHIPMENT There may be hidden damage caused in transit.
10 HOT W A TER OUTLET COLD W A TER INTLET DRAIN V AL VE DISCHARGE PIPE (DO NOT CAP OR PLUG) DRAIN P AN 3/4” SWEA T FITTING UNION SHUTOFF VA LV E FLOOR DRAIN 3/4” SWEA T FITTING TEMPERA TURE AND PRESSURE RELIEF V AL VE UNION 6” MAXIMUM AIR GAP FIGURE 5 Figure 5 shows the typical attachment of the water piping to the water heater .
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.
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.
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 sediment trap.
14 COMBUSTION AIR AND VENTILA TION When determining the installation location for a direct vent water heater , snow accumulation and drifting should be considered in areas where applicable.
15 DV TERMINA TION 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.
16 ST ANDARD 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 ASSEMBL Y The vent tube and terminal can be assembled as shown in Figure 18.
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.
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 sp ark gas ignition system. Do not try to light the pilot by hand. 4. Remove the outer burner door . 5.
19 TEMPERA TURE REGULA TION TEMPERA TURE REGULA TION HOT W A TER CAN SCALD: W ater 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.
20 EXTERNAL DAMAGE Do not operate the water heater until it has been fully checked out by a quali fi ed technician, if the water heater: • Has been exposed to fi re or damage. • Displays evidence of sooting. • Produces steam or unusually hot water .
21 lines. Contact the local water heater supplier or service agency for further information concerning an Anode Replacement Kit and this chlorination treatment.
22 FOR YOUR SAFETY AND SA TISF ACTOR Y OPERA TION, IT IS RECOMMENDED THA T THIS HEA TER BE CHECKED ONCE A YEAR BY A COMPETENT SER VICE PERSON. USERS OF THIS APPLIANCE SHOULD BE AWARE THAT GAS COMPONENTS WEAR OUT OVER A PERIOD OF TIME.
23 TEMPERA TURE & PRESSURE RELIEF V AL VE 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 .
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 V AL VE W ASHER REPLACEMENT (See Figure 29) 1. T urn “OFF” gas supply to water heater .
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.
26 TROUBLESHOOTING GUIDELINES PROBLEM POSSIBLE CA USE(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.
27 PROBLEM POSSIBLE CA USE(S) CORRECTION SLOW HOT W A TER RECOV - ERY 1. Insuf fi cient secondary air 2. Flue clogged 3. Low gas pressure 4. Improper calibration 5. Gas control/thermostat set too low 6. W ater heater too small 7. W rong piping connections 8.
28 NOTES.
29 RESIDENTIAL GAS W ARRANTY THIS W ARRANTY IS APPLICABLE TO THE ORIGINAL OWNER ONL Y in accordance with the warranty terms and conditions speci fi ed below .
30 SERVICE AND LABOR RESPONSIBILITY UNDER THIS LIMITED W ARRANTY , THE W ARRANTOR WILL PROVIDE ONL Y A REPLACEMENT W A TER HEA TER OR P ART 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.
31 500 TENNESSEE W AL TZ P ARKW A Y ASHLAND CITY , TN 37015 PHONE: 1-800-433-2545 F AX: 1-800-433-2515 www .aosmithwaterheaters.com / email: parts@hotwater .
An important point after buying a device A.O. Smith GDV-50 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought A.O. Smith GDV-50 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data A.O. Smith GDV-50 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, A.O. Smith GDV-50 you will learn all the available features of the product, as well as information on its operation. The information that you get A.O. Smith GDV-50 will certainly help you make a decision on the purchase.
If you already are a holder of A.O. Smith GDV-50, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime A.O. Smith GDV-50.
However, one of the most important roles played by the user manual is to help in solving problems with A.O. Smith GDV-50. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device A.O. Smith GDV-50 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
