Maytag HV640HBVIT User Manual Download

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www.maytagwaterheaters.com

PRINTED IN THE U.S.A. 0906

PART NO. 185374-001

FOR POTABLE WATER HEATING ONLY

NOT SUITABLE FOR SPACE HEATING

NOT FOR USE IN

MANUFACTURED (MOBILE) HOMES

POWER VENT

GAS WATER HEATER

USER’S GUIDE

Series Six

Model Numbers

HV640YBVIT
HV650YBVIT
HV640HBVIT
HV650HBVIT

For Your Safety

AN ODORANT IS ADDED TO THE GAS USED BY THIS

WATER HEATER.

C3 Technology® Gas Water Heaters meet
the new ANSI Z21.10.1 standard that deals
with the accidental or unintended ignition
of flammable vapors, such as those
emitted by gasoline.

• Safety Instructions
• Installation
• Operation
• Care and Maintenance
• Troubleshooting
• Parts List

Summary of Contents for HV640HBVIT

Page 1: ... GUIDE Series Six Model Numbers HV640YBVIT HV650YBVIT HV640HBVIT HV650HBVIT For Your Safety AN ODORANT ISADDEDTO THE GAS USED BYTHIS WATER HEATER C3 Technology Gas Water Heaters meet the new ANSI Z21 10 1 standard that deals with the accidental or unintended ignition of flammable vapors such as those emitted by gasoline Safety Instructions Installation Operation Care and Maintenance Troubleshootin...

Page 2: ...g Customer Service Center The Maytag Customer Service Center has the ability equivalent to a licensed tradesman in the fields of plumbing air supply venting and gas supply including a thorough understanding of the requirements of the National Fuel Gas Code as it relates to the installation of gas fired water heaters The Service Center also has a thorough understanding of this instruction manual an...

Page 3: ...3 SAFETY PRECAUTIONS ...

Page 4: ...Blower Assembly Installation 16 Vent Connections to Blower Assembly 17 Venting and Installation 17 18 Condensation 18 Maximum Vent Lengths 18 Venting 19 Vent Terminal Installation 19 20 Vertical Vent Through Roof 20 Vertical Vent Restrictions 20 Vent Pipe Preparation 21 22 OPERATING INSTRUCTIONS 23 24 Lighting and Operating Label 23 Temperature Regulation 24 FOR YOUR INFORMATION 25 Start Up Condit...

Page 5: ...arnings and all instructions are essential to the proper operation of the water heater and your safety Since we cannot put everything on the first few pages READ THE ENTIRE MANUAL BEFORE ATTEMPTINGTOINSTALLOROPERATETHEWATERHEATER 2 The installation must conform with these instructions and the local code authority having jurisdiction In the absence of local codes installationsshallcomplywiththeNati...

Page 6: ...ontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEPCLEAR OFALLOBSTRUCTIONS INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless upon inspection the inspector observes carbon monoxide detectors and signa...

Page 7: ...LESSAND 28 711mm DIAMETER PARTNO 66001012 FORWATERHEATERS HAVINGADIAMETER 26 660 mm OR LESS Tools You may or may not need all these tools depending on your type of installation These tools can be purchased at your local hardware store Pipe Wrenches 2 14 356 mm Screwdriver Tin Snips 6 1 82 m Tape or Folding Ruler Garden Hose Drill Pipe Dope or Teflon Tape Additional Tools Needed When Sweat Solderin...

Page 8: ...alve U Ground Joint Union V Drip Leg Sediment Trap W Drain Valve X Gas Valve Thermostat Y Drain Pan Z Air Intake Screen Base Pan AA Inner Door BB Outer Door CC HSI Burner Assembly DD Air Intake Screen Blower Assembly EE FV Sensor Assembly NATURAL HOT SURFACE IGNITER MAIN BURNER HOT SURFACE IGNITOR SENSOR PROPANE HOT SURFACE IGNITER MAIN BURNER TEMPERATURE INDICATORS TEMPERATUREADJUSTMENT BUTTONS H...

Page 9: ...ts into one of these groups or if there is a local code or state law requiring a certain temperature water at the hot water tap then you must takespecialprecautions Inadditiontousingthelowestpossibletemperature setting that satisfies your hot water needs a means such as a Mixing Valve shall be used at the hot water taps used by these people or at the water heater Mixing valves are available at plu...

Page 10: ... can be lifted off after any screw or other attached devices are removed Make sure existing vent complies with maximum and minimum vent lengths on page18 6 If you have copper piping to the water heater the two copper water pipes can be cut with a hacksaw approximately four inches away from where they connect to the water heater see Figure 7 This will avoid cutting off pipes too short Additional cu...

Page 11: ...n alarm or turn off the incoming water to the water heater when leakage is detected Sensors mounted in the drain pan that turn off the water supply to the entire home when water is detected in the drain pan Water supply shut off devices that activate based on the water pressure differential between the cold water and hot water pipes connected to the water heater Devices that will turn off the gas ...

Page 12: ... meets or exceeds the National Appliance Energy Conservation Act standards with respect to insulation and standby loss requirements making an insulation blanket unnecessary Should you choose to apply an insulation blanket to this heater you should follow these instructions For identification of components mentioned below see Figure 1 Failure to follow these instructions can restrict the air flow r...

Page 13: ...re inch per 4 000 Btu per hour 5 5 cm2 kW of total input rating of all equipment in the enclosure see Figure 13 FIGURE13 2 When communicating with the outdoors through vertical ducts each opening shall have a minimum free area of 1 square inch per 4 000 Btu per hour 5 5 cm2 kW of total input rating of all equipment in the enclosure see Figure 14 3 When communicating with the outdoors through horiz...

Page 14: ...r state law requiring a certain temperature water at the hot water tap then you must take special precautions In addition to using the lowest possible temperature setting that satisfies your hot water needs a means such as a mixing valve shall be used at the hot water taps used by these people or at the water heater see Figure 2 Valves for reducing point of use temperature by mixing cold and hot w...

Page 15: ...be installed directly into the fitting of the water heater designed for the relief valve Position the valve downward and provide tubing so that any discharge will exit only within 6 inches 15 2 cm above or at any distance below the structural floor 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 E...

Page 16: ...lution and wipe dry Water heaters covered in this manual have been tested and approved for installation at elevations up to 7 700 feet 2 347 m above sea level When installed at elevations above 7 700 feet 2 347 m input rating should be reduced at the rate of 4 percent for each 1 000 feet 305 m above sea level which requires replacement of the burner orifice in accordancewithNationalFuelGasCodeANSI...

Page 17: ...ntedwaterheatercomeswiththeblowerassemblyinstalled 2 After the unit is set in place make sure the blower assembly is still mounted securely and the air intake screen of the blower assembly is installed in the dilution air opening Also make sure the drain port of the rubber boot vent adapter is capped off Lastly make sure there is no damage to the blower 3 Make sure there is no packing material in ...

Page 18: ...r heater to an existing vent or chimney It must be vented separately from all other appliances Nonmetallic vent may be used if it has Heat Deflection Temperature HDT 66 psi or 455 kPa of at least 157 F or 69 C Typical nonmetallic vent materials meeting this requirement are PVC Schedule 40 ASTM D 1785 Coex Cellular Core Schedule 40 ASTM F 441 CPVC Schedule 40 ASTM D 2846 ABS Schedule 40 ASTM D 2661...

Page 19: ...cur in all installations of power vented water heaters but should be protected against on installations where it can form in the venting system Condensation in the venting system of power vented water heaters is dependent upon installation conditions including but not limited to ambient temperature and humidity of installationlocation ambienttemperatureandhumidityofventingspace vent discharge and ...

Page 20: ...learances from combustible materials must be provided in accordance with information in this manual under FACTSTO CONSIDERABOUTTHE LOCATION and VENT TERMINAL INSTALLATIONS and with the National Fuel Gas Code and local codes VENT TERMINAL INSTALLATION 1 After the point of termination has been determined use the cover plate as a template to mark the hole for the vent pipe to insert throughthewall BE...

Page 21: ... The wall flange is supplied for decorative purposes only and is not a requirement for the vent termination if not needed by the installer VERTICAL VENT THROUGH ROOF This unit is approved for venting through the roof with the type vent terminal that is included with the unit A proper flashing or BOOT should be used to seal the pipe where it exits the roof The total vent system should not exceed th...

Page 22: ...hes 15 2 cm and above PRIMER It is recommended that Tetrahydrofuran THF be used to prepare the surfaces of pipe and fittings for solvent welding Do not use water rags gasoline or any other substitutes for cleaning PVC or CPVC surfaces Achemical cleaner such as MEK may be used CEMENT The cement should be a bodied cement of approximately 500 to 1600 centipoise viscosity containing 10 20 by weight vi...

Page 23: ...tance and make a second mark as the primer and cement will most likely destroy your first one Apply primer to the surface of the pipe and fitting socket with a natural bristlebrush ThisprocesssoftensandpreparesthePVCorCPVCfor thesolventcementingstep Movequicklyandwithouthesitationtothe cementingprocedurewhilethesurfacesarestillwetwithprimer E Application of solvent cement Applythesolventcementeven...

Page 24: ...uttons together and holding for 1 second Then press the COOLER button until the WARM indicator light appears 2 Set the ON OFF switch on the blower control box to the OFF position 3 Turn off all electric power to the appliance if service is to be performed BEFORE OPERATING ENTIRE SYSTEM MUST BE FILLED WITH WATERANDAIR PURGED FROMALL LINES 1 STOP Read the safety information above on this label 2 Set...

Page 25: ...ng authority The water heater should be located in an area where the general public does not have access The water temperature setting was factory set at the lowest temperature Pressingthe COOLER buttondecreasestemperature and pressing the HOTTER button increases the temperature Setting the water heater temperature at 120 F 49 C Approx mark on temperature setting of gas valve will reduce the risk ...

Page 26: ...9 Contactthelocalplumbing inspector watersupplierand orcallMaytagCustomerServiceat1 800 788 8899 for assistance in controlling these situations STRANGESOUNDS Possible noises due to expansion and contraction of some metal parts during periods of heat up and cool down do not necessarily represent harmful or dangerous conditions Condensation causes sizzling and popping within the burner area during h...

Page 27: ...etoperation and cause no excessive flame lifting from the burner ports If the proper flame characteristics are not evident see Figure 28 make sure that the flow of combustion and ventilation air is not blocked on the Air Intake Screen at the base of the water heater see Figure 29 the Lint screen on the blower assembly see Figure 1 and in the venting system Youshouldalsocheckforsooting Sootisnotnor...

Page 28: ...veacheck valveinstalledinthewaterlineorawatermeterwithacheckvalve Consult yourlocalwatersupplierorMaytagCustomerService 1 800 788 8899 for furtherinformation Donotplugthetemperature pressurereliefvalve DRAINING The water heater should be drained if being shut down during freezing temperatures Also periodic draining and cleaning of sediment from the tank may be necessary 1 Set the blower switch to ...

Page 29: ...mbly D Small amounts of water from temperature pressure relief valve may be due to thermal expansion or high water pressure in your area E The temperature pressure relief valve may be leaking at the tank fitting F Water from a drain valve may be due to the valve being slightly opened G The drain valve may be leaking at the tank fitting H Combustion products contain water vapor which can condense o...

Page 30: ...surface ignitor not positioned correctly 3 Low voltage to the water heater 4 Electric polarity to unit is incorrect test and correct Problem in the gas valve driver circuit 1 Turn power to the water heater off for 10 seconds and the back on 2 Replace gas control valve Problem with the internal circuit 1 Turn power to the water heater off for 10 seconds and then back on 2 Replace gas control valve ...

Page 31: ...hese guidelines should be used by a qualified Maytag Customer Service CenterAgent Call the Maytag Customer Service Center at 1 800 788 8899 for assistance Inform the associate that this is a Flammable Vapor Ignition Resistant Product ...

Page 32: ...1513 10 BlowerAssembly TBD TBD TBD TBD 11 Air Intake Screen Base Pan 66001503 66001503 66001503 66001503 12 InletTube 66001646 66001307 66001646 66001307 13 Gas Control Valve TBD TBD TBD TBD 14 Drain Valve 66001016 66001016 66001016 66001016 15 Drain Valve Washer 66001021 66001021 66001021 66001021 16 Outer Door TBD TBD TBD TBD 17 Anode Rod TBD 66001832 TBD 66001832 18 Temperature Pressure Relief ...

Page 33: ...33 NOTES ...

Page 34: ...34 NOTES ...

Page 35: ...35 NOTES ...

Page 36: ...eak occurs in the tank a new water heater of the closest capacity and quality then available will be replaced free of charge for the water heater with the owner paying all other costs including labor mileage and transportation If the water heater is subjected to commercial institutional industrial or non residential use the above warranty coverage for the tanks that are proved to be defective in m...

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