American Water Heater VG6250T76NV Series 100 manual

1 Instruction Manual PRINTED 0413 319339-002 KEEP THIS MANUAL IN THE POCKET ON HEA TER FOR FUTURE REFERENCE WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED. ALL TECHNICAL AND W ARRANTY QUESTIONS: SHOULD BE DIRECTED T O THE LOCAL DEALER FROM WHOM THE W A TER HEA TER W AS PURCHASED. IF YOU ARE UNSUCCESSFUL, PLEASE WRITE T O THE COMP ANY LISTED[...]

2 SAFE INST ALLA TION, USE AND SERVICE The proper installation, use and servicing of this water heater is extremely important to your safety and the safety of others. 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. Read and obey all saf[...]

3 GENERAL SAFETY INFORMA TION[...]

4 GENERAL SAFETY INFORMA TION at le as t 1 8" (4 5. 7 cm ) ab ov e the f loo r. This will reduce, but not eliminate, the ri sk[...]

5 Thank Y ou for purchasing this water heater . Properly installed and maintained, it should give you years of trouble free service. Abbreviations Found In This Instruction Manual: • CSA -CanadianStandards Association • ANSI- AmericanNationalStandardsInstitute • NFP A -NationalFireProtection [...]

6 INST ALLA TION REQUIREMENTS FOR THE COMMONWEAL TH OF MASSACHUSETTS COMMONWEAL TH OF MASSACHUSETTS 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 o[...]

7 PP SS (SEE ACCESS PA NE L CAUTION) W 6 (1 5 cm ) MA XIMU M AI R GA P TO A SUIT ABLE DRAI N TYPICAL INST ALLA TION * CAUTION HARNESS HAS 120 VAC. IN OPERATION. ** See “PLANNING THE VENT SYSTEM”, “CONDENSA TE” and “BLOWER ASSEMBL Y INST ALLA TION” for more information. *** The side recirculation loop connections may not be used as the p[...]

8 TYPICAL INST ALLA TION CONDENSA TE HOSE AND DRAIN P AN FIGURE 1A.[...]

9 TYPICAL INST ALLA TION FIGURE 2. MIXING V AL VE / THERMAL EXP ANSION T ANK USAGE AND SP ACE HEA TING MIXING V AL VES DA NGER Wa ter temperatur e over 125° F (52°C) c an cause severe burns instantl y resulting in severe injury or death. Children, the elderly and the physically or mentally disabled are at highest risk for scald injury . Fe el wat[...]

10 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 economical use of the appliance. This water heater is not for use in manufactured (mobile) homes or outdoor installation. Wh[...]

11 in an alcove or closet, the entire oor must be covered by the panel. Failuretoheedthiswarningmayresultinarehazard. Minimum clearances between water heater and combustible construction are 0 inch at the sides and rear , 5.5” (14.0 cm)?[...]

12 Such a condition often will result in a yellow , luminous burner flame, causing sooting of the combustion chamber , burners and flue tubes and creates a risk of asphyxiation. Do not install the water heater in a conned space unless an adequate supply of air for combustion and ventilation is brought in to[...]

13 Figure 7. The water heater should have clearances of at least 1 inch (25 mm) from the sides and back and 6 inches (150 mm) from the front of the appliance. The opening should directly communicate with the outdoors or should communicate through a vertical or horizontal duct to the outdoors or spaces th[...]

14 Thi s water he ater sho uld n ot be c onn ect ed to any hea ting sys tems o r co mpo nent (s )usedw it hanon - pot abl ewaterh eati ngapp lian ce. Al l pipi ng c omp one nts c onn ecte d to th is unit f or spa ce h eatin g app lic ati ons s houl d be sui tab le fo r use w ith p ota ble wate r . T oxic c hem ic als, s uch as [...]

15 THERMAL EXP ANSION As water is heated, it expands (thermal expansion). In a closed system the volume of water will grow when it is heated. As the volume of water grows there will be a corresponding increase in water pressure d ue to thermal expansion. Thermal expansion can cause premature tank failure (leakage[...]

16 discharge opening must not be blocked or reduced in size under any circumstances. Excessive length, over 30 feet (9.14 m), or use of more than four elbows can cause restriction and reduce the discharge capacity of the valve. No valve or other obstruction is to be placed between the T emperature-Pressure Relief V [...]

17 A gas lin e of suf f i ci ent size mu st be r un to th e water hea ter . Co nsult the cur rent edit ion of N atio nal Fuel Gas Co de (A NS I Z 22 3. 1 /N FP A5 4 )andyou rgassup pli erc onc er ningp ipes ize. There must be: • A  readily accessible manual shuttoffvalve i[...]

18 Never use this water heater unless it is completely full of water. To prevent damage to the tank, the tank must be lled with water. Water must ow  fromthehotwaterfaucetbeforeturning“ON”gastothewaterheater. T ollthewaterheaterwithwater: 1.[...]

19 TERMINA TION CLEARANCES SIDEW ALL POWER VENT V X VEN T TERMINAL AIR SUPPL Y INLE TA RE A WHERE TERMINAL IS NO T PERMITTED v v A G V FIXED CLOSED FIXED CLOSED OPERABLE OPERABLE V C B B B B F B V V A J V H M X X V V K B E D L POWER VENT (using room air for combustion) EXTERIOR CLEARANCES FOR SIDE WA LL VENT TERMINA TION FIGURE 15. V ent terminal c[...]

20 PLANNING THE VENT SYSTEM Plan the route of the vent system from the discharge of the blower to the planned location of the vent terminal. Refer to V AA instruction on page 26 while planning the vent system. 1. Layout total vent system to use a min im um of vent pipe and elbows. 2. Thiswater heateris capableofventing ?[...]

21 The condensate trap may be primed by lling the CONDENSA TE U-ASSEMBL Y with tap water while the water heater is not operating. The system is fully primed when the water level reaches the adaptor connected into the T ee. In most installations the water heater will self-prime thecondensate trap during?[...]

22 CAUTION LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERA TION. VERIFY PROPER OPERA TION AFTER SERVICING. POWER VENT WIRING SCHEMA TIC - FIGURE 19. may be easier to mark both the inside and outside wall. Align holes by drilling a hole through center of the template from the insid[...]

23 INST ALLA TION OF VENT SYSTEM, SIDEW ALL With the route of the venting system and selection of materials completed, as discussed in the section of this manual titled PLANNING THE VENT SYSTEM, the through the wallvent terminal in place and the rst section  of piping, up to rst elbow ,[...]

24 VENT ATTENUA T ION A SSEMBLY I N S TAL L A T I O N INSTRU C T I ON S The V ent Attenuation Assembly (V AA) is designed to provide a reduction in fan noise created in the blower wheel. This installation of this V AA is optional. Review directions thoroughly prior to installing the new V AA. Please contact the manufac[...]

25 bar b, use a wi re ti e or ho se cl amp (not supp lie d wit h kit)  and secure. 6. T ake the othe r end of t he f lexib le tub ing an d sli de it th roug h the h ose c lamp o n the j acket top c over an d inst all it i nto one of the f our bar b f it t ings i n vent pipe a sse mbly # 2 . 7. Once installe[...]

26 VENT PIPE PREP ARA TION 1. INITIAL PREP ARA TION A. Make sure the solvent cement you are planning to use is designedforthespecicapplicationyouareattempting. B. Know the physical and chemical characteristics and limitations of the PVC and CPVC piping materials that you are about to use. C. Know the reputation of your manuf[...]

27 B. Deburring  Usea knife, plastic pipedeburring tool, or le toremove burrs from the  end of small diameter pipe. Be sure to remove all burrs from around the inside as well as the outside of the pipe.  A slight chamfer (bevel) of about  10°-15° sh[...]

28[...]

29 It is recommended that lower water temperatures be used to avoid the risk of scalding. It is further recommended, in all cases, that the water temperaturebe set for thelowest temperature whichsatises your hot water needs. This will also provide the most energy efcient operat[...]

30 FOR YOUR INFORMA TION ST ART UP CONDITIONS SMOKE/ODOR It is not uncommon to experience a small amount of smoke and odor during the initial start-up. This is due to burning of f of oil from metal parts, and will disappear in a short while. STRANGE SOUNDS Possible noises due to expansion and contraction of some metal parts during periods of heat-u[...]

31 BURNER OPERA TION AND INSPECTION Flood damage to a water heater may not be readily visible or immediately detectable. However , over a period of time a ooded water heater will  create dangerous conditions which can cause DEA TH, SERIOUS BODIL Y INJURY , OR PROPERTY DAMAGE. Contact a qua[...]

32 TEMPERA TURE-PRESSURE RELIEF V AL VE TEST D ANGER • Burn hazard . • Hot water discharge. • Ke ep clear of Te mperatur e- Pressure Relief Valve discharge outlet . It is recommended that the T emperature-Pressure Relief V alve should be checked to ensure that it is in operating condition every 6 months. When checking the T emperature-Pressur[...]

33 LEAKAGE CHECKPOINTS Neveruse thiswaterheater unlessit iscompletelylled withwater .  T o prevent damage to the tank, the tank must be lled with water .  W atermustowfromthe hotwaterfaucetbeforeturning “ON”gas to the wa[...]

34 Key No. Part Description 1 Outer Door 2 Anode 3 Control Valve Assembly 4 Plastic T op 5 Blower Assembly 6 Switch and Harness Assembly 7 T&P V alve 8 Drain Valve 9 Wiring Harness 10 Anode Outlet 1 1 V ent Pipe Assembly #1 12 V ent Pipe Assembly #2 13 Vent Pipe Assembly #3 14 Inlet T ube 15 Pipe Nipple 16 Burner T ube Assembly 17 Hot Surface I[...]

35 TROUBLESHOOTING GUIDELINES Pleasecheckguidelinesbelow .Foryoursafety ,waterheaterserviceshouldbeperformedonlybyaqualiedservicetechnician. ReadtheGENERAL SAFETYINFORMA TIONsectionrst. INTELLI-VENT TROUBLESHOOTING CHART - USER CONTROL # LED ST A TUS PROBLEM SOLU[...]

36 # LED ST A TUS PROBLEM SOLUTION 7 8 9 Self diagnostic check has detected a problem with the gas valve driver circuit, internal microprocessor , or other internal circuits. 1 T urn the power off for 10-20 seconds then on again to clear these error codes. 2 If any of these error codes persist or cannot be cleared, replace the gas control valve/the[...]

37 Theseguidelinesshouldbeutilizedbyaqualiedserviceagent. TROUBLESHOOTING GUIDELINES TROUBLESHOOTING GUIDELINES[...]

38 TROUBLESHOOTING GUIDELINES NOTES[...]

39 Limited W arranty American W ater Heater , the warrantor , extends the following LIMITED W ARRANTY to the owner of this water heater . 1. THE T ANK If the glass-lined tank in this water heater shall prove upon examination by the warrantor to have leaked due to natural corrosion from potable water therein, during the rst THREE y[...]

40 American W ater Heater Product Service and Support PO Box 1597, 500 Princeton Road Johnson City , TN 37605 Phone: 800-999-9515 Copyright © 2013 American Water Heater Company . All rights reserved.[...]