Maytag HRX75CQRS User Manual Download Page 28

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REP

REPAIR P

AIR P

AIR PARTS LIST

ARTS LIST

MAYTAG GAS WATER HEATERS

MODEL NO’S

HRX75XQRS

75 Gallon Natural Gas

HRX75CQRS

75 Gallon Propane Gas

Now that you have purchased this gas water heater, should a need
ever exist for repair parts or service, simply

call Maytag Customer

Service at 1-800-788-8899 for an authorized servicer.

Be sure to

provide all pertinent facts when you call or visit.

THIS IS A REPAIR PARTS LIST, NOT A PACKING LIST.

The model number of this gas water heater will be found on the
model rating plate located near the gas control valve.

When ordering repair parts, always give the following information:

•

Model number

•

Serial Number

* Not Shown.

Key

Model Number

No.

Part Description

HRX75XQRS

HRX75CQRS

Anode Rod

66001109

Burner Head

66001359

66001834

Burner Orifice - Std.

66001689 (#21)

66001841 (#38)

Burner Tube

66001690

66001846

Compression Fitting

66001837

Dip Tube

66001683

Draft Hood

66001678

Draft Hood Bracket

66001679

Drain Valve

66001015

Drain Valve Washer

66001021

Flue Baffle

66001677

66001849

Gas Control Valve

66001680

66001773

Inner Door

66001692

*14

Instruction Manual

66001855

Nipple (Hot Outlet)

66001684

Outer Door

66001190

Pilot Ass’y - Std. w/Compression Fitting

66001691

66001848

Pilot Tube

66001845

T & P Relief Valve

66001682

Thermostat Shield (Optional)

66001667

Thermocouple

66001843

66001847

Maytag/State Part

Number Conversion Key

MAYTAG

STATE

66001015

9002401

66001021

9001584

66001109

9001830

66001190

9000358

66001359

9003040

66001667

9003696

66001677

9003736

66001678

9003737

66001679

9003738

66001680

9003739

66001682

9003741

66001683

9003742

66001684

9003743

66001689

9003732

66001690

9003733

66001691

9003734

66001692

9003735

66001773

9003656

66001834

9004089

66001837

9004106

66001841

9004105

66001843

9003923

66001845

9003925

66001846

9004229

66001847

9004094

66001848

9004231

66001849

9004096

66001855

196300-001

•

Part Description

•

Part Number

BURNER ASSEMBLY

PROPANE BURNER ASSEMBLY

Summary of Contents for HRX75CQRS

Page 1: ...LE WATER HEATING ONLY NOT SUITABLE FOR SPACE HEATING NOT FOR USE IN MANUFACTURED MOBILE HOMES Model Number HRX75XQRS HRX75CQRS For Your Safety AN ODORANT IS ADDED TO THE GAS USED BY THIS WATER HEATER GAS WATER HEATER USER S GUIDE Series Ten www maytagwaterheaters com ...

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: ...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 23 Housekeeping 23 Anode Rod In...

Page 5: ...nal 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 heater Correct combustion...

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: ...se 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 heater Mixing valves are available at a plumbing s...

Page 10: ...s 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 ...

Page 11: ... 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 from outside these areas P...

Page 12: ...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 additional room s of sufficient volume so...

Page 13: ...laces 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 li...

Page 14: ...ntimely 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 at...

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: ...s 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 Customer 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 pipe...

Page 17: ... 5kPa the damage to the gas control valve could result in a fire or explosion from leaking gas If the main gas line Shut off serving all gas appliances is used also turn OFF the gas at each appliance Leave all gas appliances shut OFF until 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 AN...

Page 18: ...ing system at test pressures equal to or less than 1 2 pound per square inch 3 5kPa Connecting the gas piping to the gas control valve of the water heater can be accomplished by either of the two methods shown in Figures 20 and 21 Sediment Traps Contaminants in the gas lines may cause improper operation of the gas control valve that may result in fire or explosion Before attaching the gas line be ...

Page 19: ... on this label 2 Set the thermostat to lowest setting by turning thermostat dial fully clockwise until it stops 3 Push the 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 the inner and outer doors located below and behind the gas control unit 5 Wait five 5 minutes to clear o...

Page 20: ...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 See Figure 1 CAUTION Hotter water increases the risk of scald injury Consult the instru...

Page 21: ... cause temperatures at the point of use to exceed the thermostat 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...

Page 22: ...blem and clean or replace the 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 pu...

Page 23: ...od that appears to be intact Replacement of a depleted anode rod can extend the life of your water heater Inspection should be conducted by a qualified 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 ...

Page 24: ...nditions 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 flame is not drawn...

Page 25: ... 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 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 o...

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

Page 27: ...assembly 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 to...

Page 28: ... 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 66001855 66001855 15 Nipple Hot Outlet 66001684 66001684 16 Outer Door 66001190 66001190 17 Pilot Ass y Std w Compression Fitting 660...

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 is...

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