Maytag HRN4930T HRP4930T HRN4940S HRP4940S HRN4940T HRP4940T HRN4950S HRP4950S HRN4950T HRP4950T, User Manual

Page 1: ...ORANT IS ADDED TO THE GAS USED BY THIS WATER HEATER GAS WATER HEATER USER S GUIDE Series Nine 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 HRN4930T HRP4930T HRN4940S HRP4940S HRN4940T www maytagwaterheaters com HRP4940T HRN4950S HRP4950S HRN4950T HRP4950T ...

Page 2: ...s 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 and is able to perform repairs strictly in accordance with the service guidelines provided by the manufacturer Gas Supplier The natural gas or propane utility or ser...

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

Page 4: ...emperature Pressure Relief Valve 14 15 Filling the Water Heater 15 16 Venting 16 17 Gas Piping 17 18 Sediment Trap 18 OPERATING INSTRUCTIONS 19 20 Lighting Operating Label 19 Temperature Regulation 20 SERVICE AND MAINTENANCE 21 23 Tank Sediment Cleaning 21 Venting System Inspection 21 Burner Inspection 21 Burner Cleaning 21 22 Housekeeping 22 Anode Rod Inspection 22 Temperature Pressure Relief Val...

Page 5: ...installation operation and maintenance of the gas fired water heater It also contains warnings through out the manual that you must read and be aware of All warnings 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 MANUALBEFOREATTEMPTING TOINSTALLOROPERATETHEWATERHEATER The installat...

Page 6: ...LESSAND 28 711 mm DIAMETER PART NO 66001012 FOR WATER HEATERS HAVING A DIAMETER 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 So...

Page 7: ... the vent pipe can be lifted off after any screw or other attached devices are removed Dispose of the draft hood The new water heater has the draft hood which must be used for proper operation 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 This will avoid cutting off pip...

Page 8: ...or L Outer door M Union N Inlet Water Shut off Valve O Cold Water Inlet P Inlet Dip Tube Q Temperature Pressure Relief Valve R Rating Plate S Flue Baffle T Thermostat U Drain Valve V Pilot and Main Burner W Flue X Drain Pan Y Thermostat Shield optional Z Piezo Igniter AA Air Intake Screen V PILOT MAIN BURNER T THERMOSTAT ALL PIPING MATERIALS TO BE SUPPLIED BY CUSTOMERS CLOSED WATER SYSTEMS ARE THO...

Page 9: ...g hot water in your home fits 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 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 heate...

Page 10: ...th a piped drain pan These devices are available from some plumbing supply wholesalers and retailers and detect and react to leakage in various ways Sensors mounted in the drain pan that trigger an 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 p...

Page 11: ...lic for external use on gas water heaters are not necessary with Maytag products The purpose of an insulation blanket is to reduce the standby heat loss encountered with storage tank heaters Your Maytag water heater meets or exceeds the National Appliance Energy Conservation Act standards with respect to insulation and standby loss requirements making an insulation blanket unnecessary WARNING Shou...

Page 12: ...this determination Each opening shall have a minimum free area of one square inch per 1 000 Btu per hour 22 cm2 kW of the total input rating of all gas utilization equipment in the confined space but not less than 100 square inches 645 cm2 One opening shall commence within 12 inches 30 cm of the top and one commencing within 12 inches 30 cm of the bottom of the enclosures FIGURE11 B ALL AIR FROM O...

Page 13: ...er Mixing valves are available at plumbing supply or hardware stores see Figure 8 on page 9 and Figure 15 below Valves for reducing point of use temperature by mixing cold and hot water are also available Consult Maytag Customer Service 1 800 788 8899 Follow manufacturer s instructions for installation of the valves Before changing the factory setting on the thermostat read the Temperature Regulat...

Page 14: ...ter heater Look at the top of the water heater The cold water inlet is marked COLD Put two or three turns of teflon tape around the threaded end of the threaded to sweat coupling and around both ends of the 3 4 NPT threaded nipple Using standard pipe fittings connect the cold water pipe to the cold water inlet of the water heater NOTE This water heater is super insulated to minimize heat loss from...

Page 15: ...ntities should circumstances demand If the discharge pipe is not connected to a drain or other suitable means the water flow may cause property damage FIGURE17 The Discharge Pipe Shall not be smaller in size than the outlet pipe size of the valve or have any reducing couplings or other restrictions Shall not be plugged or blocked Shall be of material listed for hot water distribution Shall be inst...

Page 16: ...r heater Consult your Maytag Service Center at 1 800 788 889 or gas supplier if any such changes are planned For proper venting in certain installations a larger diameter vent pipe may be necessary Consult your Maytag Customer Service Center or gas supplier to aid you in determining the proper venting for your water heater from the vent tables in the current edition of the National Fuel Gas Code A...

Page 17: ...the water heater installation is complete A gas line of sufficient size must be run to the water heater Consult the current edition of National Fuel Gas Code ANSI Z223 1 NFPA 54 and your gas supplier concerning pipe size There must be A readily accessible manual shut off valve in the gas supply line serving the water heater and A drip leg sediment trap ahead of the gas control valve to help preven...

Page 18: ...he gas control valve that may result in fire or explosion Before attaching the gas line be sure that all gas pipe is clean on the inside To trap any dirt or foreign material in the gas supply line a drip leg sometimes called a sediment trap must be incorporated in the piping The drip leg must be readily accessible Install in accordance with the Gas Piping section Refer to the current edition of th...

Page 19: ... can be located by looking through the glass view port while pressing the piezo igniter button several times Look for a spark at the pilot location FIGURE D 9 Once the pilot has been found push the gas knob all the way down Immediately press the pilot igniter button rapidly 4 to 5 times If the pilot will not light repeat step 3 through 9 10 Continue to hold the gas control knob down for about one ...

Page 20: ...mperature 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 people are more likely to be permanently injured by hot water than others These include the elderly children the infirm or physically ment...

Page 21: ... flue and venting before resuming operation of the water heater Burner Inspection Flood damage to a water heater may not be readily visible or immediately detectable However over a period of time a flooded water heater will create dangerous conditions which can cause DEATH SERIOUS BODILY INJURY OR PROPERTY DAMAGE Contact the Maytag dealer from whom the appliance was purchased or call Maytag Custom...

Page 22: ...way the anode rod This does not affect the water s taste or color The rod must be maintained to keep the tank in operating condition Anode deterioration depends on water conductivity not necessarily water condition A corroded or pitted anode rod indicates high water conductivity and should be checked and or replaced more often than an anode rod that appears to be intact Replacement of a depleted a...

Page 23: ...OTING Start Up Conditions Draft Hood Operation Check draft hood operation by performing a worst case depressurization of the building With all doors and windows closed and with all air handling equipment and exhaust fans operating such as furnaces clothes dryers range hoods and bathroom fans a match flame should still be drawn into the draft hood of the water heater with its burner firing If the f...

Page 24: ... sizzling and popping within the burner area during heating and cooling periods and should be considered normal See Condensation section Operational Conditions Smelly Odor In each water heater there is installed at least one anode rod see parts section for corrosion protection of the tank Certain water conditions will cause a reaction between this rod and the water The most common complaint associ...

Page 25: ... or pipe connections may be leaking C The anode rod fitting may be leaking 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 ...

Page 26: ...ermocouple TCO malfunction Replace pilot assembly High ambient room temperature Contact a Maytag Customer Service Agent to determine cause BURNER WILL NOT Dirty or clogged air intake screen Clean and reinstall air intake screen STAY LIT Flame arrestor openings blocked Contact a Maytag Customer Service Agent to determine cause Defective Gas Control Replace Gas Control Dirty pilot burner Clean pilot...

Page 27: ...27 NOTES ...

Page 28: ...28 NOTES ...

Page 29: ... 66001705 66001705 19 Outer Door 66001506 66001506 66001506 66001506 66001506 66001506 20 Outer Door Filler NA NA NA NA NA NA 21 Piezo Igniter w Bracket 66001507 66001507 66001507 66001507 66001507 66001507 22 PilotAssembly 66001550 66001516 66001547 66001516 66001547 66001519 23 PipeInsulation 66001755 66001755 66001755 66001755 66001755 66001755 24 SecondaryAnode Rod 66001514 66001514 66001514 6...

Page 30: ...Tube 66001789 66001767 66001495 66001521 7 DipTube InletTube 66001827 66001827 66001520 66001520 8 Dip Tube Inlet Tube Gasket 66001269 66001269 66001812 66001812 9 Draft Hood 66001502 66001502 66001502 66001502 10 Drain Valve 66001015 66001015 66001015 66001015 11 Drain Valve Washer 66001021 66001021 66001021 66001021 12 Flue Baffle 66001769 66001769 66001501 66001501 13 Flue Restrictor 66001513 6...

Page 31: ...547 9003530 66001549 9003541 66001550 9003542 REPAIR PARTS LIST MAYTAG STATE PART NUMBER CONVERSION KEY MAYTAG STATE 66001553 9003546 66001557 9003554 66001558 9003563 66001559 9003564 66001560 9003575 66001565 9003584 66001566 9003596 66001567 9003597 66001568 9003631 66001576 9003639 66001585 9003561 66001586 9003594 66001587 9003562 66001588 9003595 66001589 9003649 66001591 9003650 66001593 90...

Page 32: ...curs 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 materia...