Maytag HV640YBVITCGA User's Guide

1www.maytagwaterheaters.comPRINTED IN THE U.S.A. 1005 PART NO. 185376-000FOR POTABLE WATER HEATING ONLYNOT SUITABLE FOR SPACE HEATINGNOT FOR USE INMAN

10FACTS TO CONSIDER ABOUT THE LOCATIONCarefully choose an indoor location for the new water heater, becausethe placement is a very important considera

11and 12" (30.5 cm) from the top. (Standard clearance.) If clearancesstated on the heater differ from standard clearances, install water heaterac

12Chemical vapor corrosion of the flue, blower assembly and vent systemmay occur if air for combustion contains certain chemical vapors.Spray can prop

13The water within the water heater tank expands as it is heated andincreases the pressure of the water system. If the relieving point of thewater he

14Figure 16 shows the typical attachment of the water piping to the waterheater. The water heater is equipped with 3/4 inch NPT waterconnections.NOTE

15GAS PIPINGMake sure the gas supplied is the same type listed on the model ratingplate. The inlet gas pressure must not exceed 14 inch water column

16SEDIMENT TRAPSContaminants in the gas lines may cause improper operation of the gascontrol valve that may result in fire or explosion. Before attac

17VENT CONNECTIONS TO BLOWER ASSEMBLYFigure 15 shows the optimal placement of the 2" to 3" or 3" to 4" reducer;however, the vent c

18The unit may be vented horizontally through a wall or vertically throughthe roof. Pipe runs must be adequately supported along both verticaland hor

19VENTINGThe vent system must terminate so that proper clearances aremaintained as cited in local codes or the current edition of the NaturalGas and P

2SAFE INSTALLATION, USE AND SERVICEYour safety and the safety of others is extremely important in the installation, use and servicing of this water he

20FIGURE 23.This unit can vent through 2", 3" or 4" nonmetallic pipe and fittings.The vent pipe installation can be started from either

21VENT PIPE PREPARATION1. INITIAL PREPARATIONA. Make sure the solvent cement you are planning to use isdesigned for the specific application you are a

22B. DeburringUse a knife, plastic pipe deburring tool, or file to remove burrs from the endof small diameter pipe. Be sure to remove all burrs from

23FOR YOUR SAFETY READ BEFORE OPERATINGWARNING: If you do not follow these instructions exactly, a fire orexplosion may result causing property damag

24TEMPERATURE REGULATIONHOT WATER CAN SCALD: Water heaters are intended to produce hotwater. Water heated to a temperature that will satisfy space hea

25FOR YOUR INFORMATIONSTART UP CONDITIONSCONDENSATEWhenever the water heater is filled with cold water, some condensatewill form while the burner is o

26SERVICE AND ADJUSTMENTVENTING SYSTEM INSPECTIONAt least once a year a visual inspection should be made of the ventingsystem. You should look for:1.

27ANODE ROD INSPECTIONThe anode rod is used to protect the tank from corrosion. Most hot watertanks are equipped with an anode rod. The submerged ro

28LEAKAGE CHECKPOINTSUse this guide to check a “Leaking” water heater. Many suspected“Leakers” are not leaking tanks. Often the source of the water

29TROUBLESHOOTING GUIDELINESTROUBLESHOOTING GUIDELINESThese guidelines should be used by a qualified Maytag Customer Service Center Agent. Call the Ma

3SAFETY PRECAUTIONS

30TROUBLESHOOTING GUIDELINESThese guidelines should be used by a qualified Maytag Customer Service Center Agent. Call the Maytag Customer Service Cent

31REPAIR PARTS LISTNow that you have purchased your gas water heater, shoulda need ever exist for repair parts or service, simply consultMaytag Custom

32FULL ONE YEAR WARRANTYFor one year from the date of original retail purchase, any part which fails in normal home use will be repairedor replaced fr

4SAFE INSTALLATION, USE AND SERVICE...

5TANK RECOVERY MINIMUMCAPACITY INPUT RATE GALS. VENT PIPE DIAMETER DIMENSIONS INMODEL IN GALS. TYPE OF RATE PER HOUR INCHES INCHES INCHES (mm) HEIGHTN

6MATERIALS AND BASIC TOOLS NEEDEDAccessoriesTo simplify the installation Maytag has available the installation parts shown below. You may or may not n

7TYPICAL INSTALLATIONGET TO KNOW YOUR WATER HEATER - GAS MODELSA Vent Pipe–ExhaustB Vent TerminalC Vent Adapter-Rubber BootD Blower AssemblyE Cold Wat

8TYPICAL INSTALLATIONFIGURE 2. MIXING VALVE USAGEHOTTER WATER CAN SCALD:Water heaters are intended to produce hot water. Water heated to atem

91. Turn “OFF” the gas supply to the waterheater.If the main gas line Shut-off valveserving all gas appliances is used, alsoshut “OFF” the gas at eac