A.O. Smith 185874-001 Instruction Manual Download Page 20 | Manualshive

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roBertshaw Gas valve

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Summary of Contents for 185874-001

Page 1: ...UARE UNSUCCESSFUL PLEASE WRITE TO THE COMPANY LISTED ON THE RATING PLATE ON THE WATER HEATER RESIDENTIAL GAS WATER HEATERS For Your Safety AN ODORANT IS ADDED TO THE GAS USED BY THIS WATER HEATER GAMA...

Page 2: ...he 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 heater...

Page 3: ...GENERAL SAFETY...

Page 4: ...follow the safety rules the water heater will not operate properly It could cause DEATH SERIOUS BODILY INJURY AND OR PROPERTY DAMAGE This manual contains instructions for the installation operation a...

Page 5: ...r Inlet P Inlet Dip Tube Nipple 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 Ai...

Page 6: ...nyone using 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 precauti...

Page 7: ...zing If the opening is covered by louvers or screen the total free area must be 32 square inches Installation of the water heater must be accomplished in such a manner that if the tank or any connecti...

Page 8: ...e areas Propellants of aerosol sprays and volatile compounds cleaners chlorine based chemicals refrigerants etc in addition to being highly flammable in many cases will also change to corrosive hydroc...

Page 9: ...y 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 mentally handicapped If anyone usin...

Page 10: ...5 shows the typical attachment of the water piping to the water heater The water heater is equipped with 3 4 inch NPT water connections NOTE If using copper tubing solder tubing to an adapter before a...

Page 11: ...obstruction is to be placed between the relief valve and the tank Do not connect tubing directly to discharge drain unless a 6 inch air gap is provided To prevent bodily injury hazard to life or prope...

Page 12: ...of obstruction or deterioration and replace if needed The combustion and ventilation air flow must not be obstructed The water heater with draft hood installed must be connected to a roof jack which t...

Page 13: ...e to permit servicing of the unit Be sure to check all the gas piping for leaks before lighting the water heater Use a soapy water solution not a match or open flame Rinse off soapy solution and wipe...

Page 14: ...of the National Fuel Gas Code ANSI Z223 1 NFPA 54 WHITE RODGERS FUEL CONVERSION INSTRUCTIONS FROM NATURAL GAS TO PROPANE L P GAS Fuel conversions shall be completed by a qualified service agency in a...

Page 15: ...s head screws holding the natural burner head to the burner tube assembly see Figure 17 17 Using 3 8 boxed end wrench remove the natural gas burner orifice O from the burner tube Install burner orific...

Page 16: ...GAS Fuel conversions shall be completed by a qualified service agency in accordance with the detailed conversion instructions and all applicable codes and requirements of the authority having jurisdic...

Page 17: ...e 23 13 Grasp burner tube and remove burner assembly through inner door opening FIGURE 23 14 To remove the propane LP gas pilot assembly remove the Phillips head screw holding the TCO bracket to the b...

Page 18: ...ter assembly located on the side of the gas valve Make sure burner tube boot is on flange on inner door and pilot assembly grommet is secure in the hole in the inner door 24 Remove the conversion cap...

Page 19: ...19 WHITE RODGERS GAS VALVE...

Page 20: ...20 ROBERTSHAW GAS VALVE...

Page 21: ...instructions in the Installing the New Water Heater section 5 Will a water leak damage anything See the Locating the New Water Heater section 6 Is there proper clearance between the water heater and a...

Page 22: ...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...

Page 23: ...ent cut offs the effects of water hammer among others have installed devices such as pressure reducing valves check valves back flow preventers etc to control these types of problems When these device...

Page 24: ...ty of injury under these conditions we recommend the hot water faucet located farthest away be opened for several minutes before any electrical appliances which are connected to the hot water system a...

Page 25: ...able 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 a qualified installer or service agenc...

Page 26: ...rn off gas supply to the water heater 2 Shut off the water supply and open a nearby hot water faucet to depressurize the water tank 3 Drain approximately 5 gallons of water from tank Refer to the Drai...

Page 27: ...nstructions to restart the water heater Drain Valve Washer Replacement See Figure 33 1 Follow Draining instructions 2 Turning counterclockwise remove the hex cap below the screw handle 3 Remove the wa...

Page 28: ...n 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 Th...

Page 29: ...uter Door 22 Anode Rod 23 Angle Brackets 24 White Rodgers Thermostat Shield optional 25 Instruction Manual Door Gasket supplied with these parts White Rodgers RobertShaw parts are not interchangeable...

Page 30: ...Valve 20 Drain Valve Washer 17 32 x13 64 x1 8 thick 21 Outer Door 22 Anode Rod 23 Angle Brackets 24 White Rodgers Thermostat Shield optional 25 Instruction Manual Door Gasket supplied with these parts...

Page 31: ...nerator BURNER WILL NOT STAY LIT Thermocouple TCO malfunction Replace pilot assembly High ambient room temperature Contact a service agency to determine cause Dirty or clogged air intake screen Clean...

Page 32: ...32...

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