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Maytag HRN4975S, User Manual

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Maytag HRN4975S User Manual Download Page 1

1

www.maytagwaterheaters.com

PRINTED IN THE U.S.A 1004

        PART NO. 66001853
                     196302-001

FOR POTABLE WATER HEATING ONLY

NOT SUITABLE FOR SPACE HEATING

NOT FOR USE IN

MANUFACTURED (MOBILE) HOMES

Model Number

HRN4975S

 H

R

P4975S

HRN5975S        HRP5975S

For Your Safety

AN ODORANT IS ADDED TO THE GAS USED

BY THIS WATER HEATER.

GAS WATER HEATER

USER’S GUIDE

Series Nine

Summary of Contents for HRN4975S

Page 1: ...6302 001 FOR POTABLE WATER HEATING ONLY NOT SUITABLE FOR SPACE HEATING NOT FOR USE IN MANUFACTURED MOBILE HOMES Model Number HRN4975S HRP4975S HRN5975S HRP5975S For Your Safety AN ODORANT IS ADDED TO THE GAS USED BY THIS WATER HEATER GAS WATER HEATER USER S GUIDE Series Nine ...

Page 2: ... 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 and is able to perform repairs strictly in accordance with the service guidelines provided by ...

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

Page 4: ...n Confined Spaces 12 13 Water Piping 13 14 Temperature Pressure Relief Valve 14 15 Filling the Water Heater 15 16 Venting 16 17 Gas Piping 17 18 Sediment Traps 18 OPERATING INSTRUCTIONS 19 21 Lighting Operating Label 19 20 Temperature Regulation 21 SERVICE AND MAINTENANCE 22 24 Tank Sediment Cleaning 22 Vent System Inspection 22 Burner Inspection 22 Burner Cleaning 22 Housekeeping 23 Anode Rod Ins...

Page 5: ... from CSA International 8501 East Pleasant Valley Rd Cleveland Ohio 44131 or the National Fire Protection Association 1 Batterymarch Park Quincy MA 02269 If after reading this manual you have any questions or do not understand any portion of the instructions call Maytag Customer Service at 1 800 788 8899 for an authorized servicer Carefully plan the place where you are going to put the water heate...

Page 6: ... 66001105 FOR WATER HEATERS HAVINGA DIAMETER 22 559 mm OR 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...

Page 7: ...t hood where they connect to the water heater In most installations 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 whe...

Page 8: ...nt Trap K Inner Door 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 s T Thermostat U Drain Valve V Pilot and Main Burner W Flue X Drain Pan Y Thermostat Shield optional V PILOT MAIN BURNER NATURAL GAS T THERMOSTAT ALL PIPING MATERIALS TO BE SUPPLIED BY CUSTOMERS CLOSED WATER SYSTEMS ARE THOSE WI...

Page 9: ...groups or if there is a local code or province 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 Mixing valves are available at plumbing sup...

Page 10: ... 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 pan Water supply shut off devices t...

Page 11: ...ovide the proper amount of combustion air can result in a fire or explosion and cause death serious bodily injury or property damage FIGURE10 If this water heater will be used in beauty shops barber shops cleaning establishments or self service laundries with dry cleaning equipment it is imperative that the water heater or water heaters be installed so that combustion and ventilation air be taken ...

Page 12: ...mbustion Air and Ventilation for Appliances Located in Confined Spaces CONFINED SPACE is a space whose volume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m3 per kW of the aggregate input rating of all appliances installed in that space A ALLAIRFROMINSIDEBUILDINGS See Figures 10 and 11 The confined space shall be provided with two permanent openings communicating directly with an addition...

Page 13: ...es may create conditions requiring special attention to avoid unsatisfactory operation of installed gas utilization equipment Water Piping HOTTER WATER CAN SCALD Water heaters are intended to produce hot water Water heated to a temperature which will satisfy clothes washing dish washing cleaning and other sanitizing needs can scald and permanently injure you upon contact Some people are more likel...

Page 14: ... untimely corrosion of hot and cold water fittings it is strongly recommended that di electric unions or couplings be installed on this water heater when connected to copper pipe Figure 16 shows the typical attachment of the water piping to the water heater The water heater is equipped with 1 NPT water connections for 75 gallon models NOTE If using copper tubing solder tubing to an adapter before ...

Page 15: ...nnect tubing directly to discharge drain unless a 6 inch air gap is provided To prevent bodily injury hazard to life or property damage the relief valve must be allowed to discharge water in quantities 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 siz...

Page 16: ...ing of this gas fired water heater the correct vent pipe diameter must be utilized Any additions or deletions of other gas appliances on a common vent with this water heater may adversely affect the operation of the water heater Consult your Maytag Service Center at 1 800 788 8899 or gas supplier if any such changes are planned For proper venting in certain installations a larger diameter vent pip...

Page 17: ...pounds which are potentially corrosive Gas Piping Make sure the gas supplied is the same type listed on the model rating plate The inlet gas pressure must not exceed 14 inch water column 2 6kPa for natural and propane L P gas If the gas control valve is subjected to pressures exceeding 1 2 pound per square inch 3 5kPa the damage to the gas control valve could result in a fire or explosion from lea...

Page 18: ...hall be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 pound per square inch 3 5kPa It shall be isolated from the gas supply piping system by closing its individual manual Shut off valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 pound per square inch 3 5kPa Co...

Page 19: ...gas control knob down slightly and turn clockwise to OFF Figure A NOTE GascontrolknobCANNOTbeturnedfrom PILOT to OFF unless it is pushed down slightly Do not force 4 Remove inner and outer burner doors located below and behind the gas control unit 5 Wait five 5 minutes to clear out any gas If you then smell gas STOP Follow B in the safety information above on this label If you don t smell gas go t...

Page 20: ...r gas supplier If the pilot will not stay lit after several tries turn the gas control knob to OFF Figure A and call your service technician or gas supplier 9 Replace inner and outer burner doors 10 At arm s length away turn the gas control knob counterclockwise to on Figure C 11 Set thermostat to desired setting Figure 1 CAUTION Hotter water increases the risk of scald injury Consult the instruct...

Page 21: ...t setting by up to 30 F 16 7 C If you experience this type of use you should consider using lower temperature settings to reduce scald hazards Any water heater s intended purpose is to heat water Hot water is needed for cleansing cleaning and sanitizing bodies dishes clothing Untempered hot water can present a scald hazard Depending on the time element and the people involved adults children elder...

Page 22: ...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 Customer Service at 1 800 788 8899 for an authorized servicer to replace a fl...

Page 23: ...ed technician At a minimum the anode s should be checked annually after the warranty period Temperature Pressure Relief Valve Operation The temperature pressure relief valve must be manually operated at least once a year When checking the temperature pressure relief valve operation make sure that 1 no one is in front of or around the outlet of the temperature pressure relief valve discharge line a...

Page 24: ...od 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 flame is not drawn toward the draft hood shut off the water he...

Page 25: ...od 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 associated with the anode rod is one of a rotten egg smell This odor is derived from hydrogen sulfide gas dissolved in the water The smell is the result of four factors which must all be present for the odor to develop a concentration of ...

Page 26: ... 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 on the cooler surfaces of the tank Droplets form and drip onto the burner or run on the floor This is co...

Page 27: ...sembly and or thermocouple Defective Gas Control Replace Gas Control Dirty pilot burner Clean pilot assembly Thermocouple tip is not in contact with pilot flame Insert thermocouple correctly PILOT OUTAGE Thermocouple malfunction Replace pilot assembly and or thermocouple Defective Gas Control Replace Gas Control Heater not lit or thermostat not on Refer to LIGHTING INSTRUCTIONS Thermostat set too ...

Page 28: ...001841 38 4 Burner Tube 66001690 66001846 5 CompressionFitting 66001837 66001837 6 DipTube 66001683 66001683 7 Draft Hood 66001678 66001678 8 Draft Hood Bracket 66001679 66001679 9 Drain Valve 66001015 66001015 10 Drain Valve Washer 66001021 66001021 11 Flue Baffle 66001677 66001849 12 Gas Control Valve 66001680 66001773 13 Inner Door 66001692 66001692 14 Instruction Manual 66001853 66001853 15 Ni...

Page 29: ...29 NOTES NOTES NOTES NOTES NOTES ...

Page 30: ...30 NOTES NOTES NOTES NOTES NOTES ...

Page 31: ...31 NOTES NOTES NOTES NOTES NOTES ...

Page 32: ... 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 material or workmanship i...

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