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Whirlpool Ultra Low Nox, Installation Instructions And Use & Care Manual

The Whirlpool Ultra Low Nox brings exceptional efficiency and safety to any home. Make sure you can enjoy its full potential with our Installation Instructions And Use & Care Manual. You can easily download this detailed manual for free from our website, ensuring hassle-free installation and usage.

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Summary of Contents for Ultra Low Nox

Page 1: ...e performed by a qualified installer service agency or the gas supplier INSTALLER AFFIX THESE INSTRUCTIONS TO OR ADJACENT TO THE WATER HEATER OWNER RETAIN THESE INSTRUCTIONS AND WARRANTY FOR FUTURE REFERENCE RETAIN THE ORIGINAL RECEIPT AS PROOF OF PURCHASE Whirlpool Ultra Low Nox Gas Water Heater with the Flame Lock Safety System Installation Instructions and Use Care Guide To obtain technical war...

Page 2: ...flammable and can ignite when exposed to a spark or flame To prevent the possibility of injury under these conditions we recommend the hot water faucet be opened for several minutes at the kitchen sink before using any electrical appliance which is connected to the hot water system If hydrogen is present there will probably be an unusual sound such as air escaping through the faucet as water begin...

Page 3: ...sers of this water heater will need it for future reference Service to the Flame Lock Safety System should only be performed by a qualified person Examples of a qualified person include licensed plumbers authorized gas company personnel and authorized service personnel IMPORTANT The manufacturer and seller of this water heater will not be liable for any damages injuries or deaths caused by failure...

Page 4: ...qualified person to inspect the appliance Water heaters subjected to a flammable vapors incident will show a discoloration on the flame trap and require replacement of the entire water heater Do not use or store flammable products such as gasoline solvents or adhesives in the same room or area near the water heater If such flammables must be used all gas burning appliances in the vicinity must be ...

Page 5: ...must be easily accessible for operation and service Maintain proper clearances as specified on the data plate Do not locate the water heater near an air moving device The operation of air moving devices such as exhaust fans ventilation systems clothes dryers fireplaces etc can affect the proper operation of the water heater Special attention must be given to conditions these devices may create Flo...

Page 6: ...as part of the water heater as shown The drip leg must be no less than three inches long for the accumulation of dirt foreign material and water droplets 3 4 Install a ground joint union between the gas control valve thermostat and the manual shut off valve This is to allow easy removal of the gas control valve thermostat Turn the gas supply on and check for leaks Test all connections by brushing ...

Page 7: ...I Z223 1 NFPA 54 latest edition to properly install vent system Failure to do so can result in death explosion or carbon monoxide poisoning IMPORTANT Air for combustion and ventilation must not come from a corrosive atmosphere Any failure due to corrosive elements in the atmosphere is excluded from warranty coverage The following types of installation not limited to the following will require outd...

Page 8: ...sufficient fresh air can be drawn from outside of the enclosure One opening shall be within 12 inches of the top and one within 12 inches of the bottom of the enclosure as shown in Figure 4 The size of each opening free area is determined by the total BTUH input of all gas utilization equipment i e water heaters furnaces clothes dryers etc and the method by which the air is provided The BTUH input...

Page 9: ...t be locked open or interconnected with the equipment so that they are opened automatically during equipment operation Keep louvers and grilles clean and free of debris or other obstructions Table 3 Minimum Free Area of Permanent Openings for Ventilation and Combustion Air Supply All Air from Outdoors Only Based on the total BTUH input rating for all gas utilizing equipment within the confined spa...

Page 10: ...isting water heater be sure to use the new draft hood supplied with the water heater Figure 9 Draft hood Installation Sheet Metal Screws four provided Draft hood Legs Slot Jacket top Install the draft hood with the four screws provided Slot Vent Pipe Size It is important that you follow the guidelines in these instructions for sizing a vent pipe system If a transition to a larger vent size is requ...

Page 11: ... materials Figures 11 and 12 IMPORTANT This gas vent must be terminated in a vertical position to facilitate the removal of the burnt gases An unused chimney flue or masonry enclosure may be used as a passageway for the installation of a gas vent Figure 12 Common combined venting is allowable with vertical type B vent systems and lined masonry chimneys Figures 10 12 are examples of vent pipe syste...

Page 12: ... water line as shown in Figure 14 These valves reduce the point of use temperature of the water by mixing cold and hot water and are readily available for use 4 If installing the water heater in a closed water system install an expansion tank in the cold water line as specified under Closed System Thermal Expansion section 5 Install a shut off valve in the cold water inlet line It should be locate...

Page 13: ...icensed plumbers authorized gas company personnel and authorized service personnel Do not plug valve Do not remove valve Failure to follow these instructions can result in death or explosion Periodic discharge of the temperature and pressure relief valve may be due to thermal expansion in a closed water supply system The water utility supply meter may contain a check valve backflow preventer or wa...

Page 14: ...n contact with any electrical part Must be connected to an adequate discharge line Must not be rated higher than the working pressure shown on the data plate of the water heater The Discharge Line Must not be smaller than the pipe size of the relief valve or have any reducing coupling installed in the discharge line Must not be capped blocked plugged or contain any valve between the relief valve a...

Page 15: ...air handler to remove air bubbles from the system Otherwise these bubbles will be trapped in the air handler heat exchanger coil reducing the efficiency Do not connect the water heater to any system or components previously used with non potable water heating appliances when used to supply potable water Some jurisdictions may require a backflow preventer in the incoming cold water line This may ca...

Page 16: ...from areas that contain negative pressure producing devices such as exhaust fans fireplaces etc a Is there a furnace air handler in the same room space as the water heater If so has a return air duct system been attached that exits the room If so check for leaks on the air duct system If no air duct system is present correct immediately by contacting a local Heating Ventilation Air Conditioning Re...

Page 17: ...technician to inspect the appliance Water heaters subjected to flood conditions or anytime the gas controls main burner or pilot have been submerged in water require replacement of the entire water heater E DONOTUSETHISAPPUANCEEFTHEREHASBEENAN IGNITION OF VAPORS Immediately call a qualified service technician to inspect the appliance Water heaters subjected to a flammable vapors ignition will show...

Page 18: ...clockwise to OFF If the knob is ON turn It clockwise to PILOT then depress the knob slightly and turn clockwiseC to OFF 4 7 pop back up Pilot should remain lit If the pilot light goes out repeat steps 3 7 CAS CONTROL KNOB Of F PILOT ON fj ALTERNATE IGNITER O 120 F MARK 130 F MARK NOTE Knob cannot be turned from PILOT to OFF unless knob is depressed slightly Do not use tools or excessive force 5 To...

Page 19: ...temperature dial to the preferred setting The preferred starting point is 120 F Align the index bar on the thermostat with the desired water temperature as shown in Figure 19 There is a hot water scald potential if the thermostat is set too high IMPORTANT Adjusting the thermostat past 120 F on the temperature dial will increase the risk of scald injury in the times shown below Water Temperature Ti...

Page 20: ...ply to the main burner and the pilot burner if the flame is absent A high temperature limit switch or ECO Energy Cut Off in the tank is used to shut off the unit if the water temperature exceeds 180 F 83 C The ECO is a single use switch which if activated requires complete replacement of the entire gas control valve thermostat If the ECO should activate the water heater cannot be used until the ga...

Page 21: ...sure the ventilation and combustion air supplies are not obstructed Build up of soot and carbon on the main burner and pilot burner Check for a soft blue flame Leaking or damaged water and gas piping Presence of flammable or corrosive materials in the installation area Presence of combustible materials near the water heater After servicing this water heater check to make sure it is working properl...

Page 22: ...nt Do not use the burner if the burner screen is damaged NOTE Damage may be rips or holes in the burner screen Discoloration is normal Figure 24 Natural Gas Low Nox Burner Door Assembly Burner Pilot Assembly Use brush on this surface Replacing the Pilot Assembly 1 2 3 4 5 6 22 Follow the instructions in Removing the Burner Door Assembly section to remove the assembly Remove the retainer clip secur...

Page 23: ...ctor Retainer Clip Manifold Door Cleaning the Pilot Assembly 1 Follow the procedure outlined in Removing the Burner Door Assembly 2 Use a soft bristle brush to remove any debris that may have collected on the pilot Note Clean any debris found in the air slots at the base of the pilot See Figure 26 3 Follow the steps in Replacing the Burner Door Assembly section to reassemble Figure 26 Pilot Assemb...

Page 24: ...hese fittings The thermocouple nut should be started and turned all the way in by hand An additional 1 2 3 4 turn with a 7 16 open end wrench will then be sufficient to seat the lockwasher 7 Reconnect the igniter wire 8 Turn gas supply on and refer to the Lighting Instructions 9 Check for leaks by brushing on an approved noncorrosive leak detection solution Bubbles will show a leak Correct any lea...

Page 25: ...ank Be sure to remove the pilot ferrule nut from the new gas control valve thermostat Turn the gas supply on and check for leaks Test all connections by brushing on an approved noncorrosive leak detection solution Bubbles will show a leak Correct any leak found Be sure tank is completely filled with water before lighting and activating the water heater Follow the Lighting Instructions If additiona...

Page 26: ...ne 2 Notify utility install dirt trap in gas line 3 Clean locate source and correct 4 Finger tighten then 1 2 turn with wrench 5 Replace thermocouple 6 Locate source and correct 7 Eliminate flammable vapor source s Call 1 877 817 6750 8 Check with gas utility company 9 See maintenance section for inspection and cleaning of flame trap burner 10 Clean pilot 1 Set temperature dial to lower setting 2 ...

Page 27: ...lack lead to the end silver part of the thermocouple that connects to the gas control valve thermostat Follow the instruction to light the pilot and watch the voltage readings on the multimeter After 45 seconds the meter should read 12 millivolts DC or more Does the thermocouple pass the test N Is the thermocouple fully seated in the pilot bracket YES YES NO Replace the thermocouple Push the therm...

Page 28: ...AP COLD SOME MODELS HEAT TRAP HOT SOME MODELS COLD WATER DIP TUBE ANODE ROD A TEMPERATURE PRESSURE RELIEF VALVE LOCATED TOP OR SIDE DRAIN VALVE GAS CONTROL VALVE THERMOSTAT GAS CONTROL VALVE THERMOSTAT OUTER DOOR PILOT ASSEMBLY Natural Gas BURNER DOOR ASSEMBLY Natural Gas Low Nox TWO PIECE WIRE CONNECTOR WITH RETAINER CLIP BURNER DOOR GASKET VIEWPORT ASSEMBLY THERMOCOUPLE PIEZOELECTRIC IGNITER BUT...

Page 29: ...o piece wire connector and retainer clip Item 15 Contains burner door gasket Item 16 Contains viewport Item 17 Contains thermocouple Item 18 Contains piezoelectric igniter button Item 19 Contains flexible manifold tube item 12 Item 13 Item 14 Item 15 Item 16 Item 17 Item 18 I id i i 1 Alternate Igniter Item 19 WHIRLPOOL FLAME LOCK DESIGN and FLAME LOCK are trademarks of Whirlpool U S A 2007 Whirlp...

Page 30: ...m interior flue of the water heater Many who do not read the installation instructions confuse initial start up condensation with a leak Water Gas Connection Leakage Use an appropriate commercially available sealing compound pipe tape or a sealant to ensure 100 leak proofgas and water connections See the installation instructions for leak testing AWARNING WARNING V ill x lllll VkIHH Electrical Sho...

Page 31: ... Vapor Ignition Resistant FVIR water heater is located in an area subject to excessive amounts of lint dirt or debris we suggest installing a wrap around external combustion air filter Carefully inspect the vent pipe system and ensure it meets all local and state codes as well as the specifications contained in the Installation Manual Prior use of a vent system does not provide assurance that the ...

Page 32: ...cuando el agua fria del interior entra en contacto con el tiro interior caliente del calentador de agua Muchas personas que no leen las instrucciones de instalacion confunden la condensation de arranque inicial con una fuga Fuga de conexidn de agua gas Utilice un material sellador disponible en el mercado cinta adhesiva para tuberia o un sellador para asegurar conexiones de gas y agua 100 a prueba...

Page 33: ...de agua Flammable Vapor Ignition Resistant vapor inflamable resistente a la ignition FVIR esta ubicado en un area con cantidades excesivas de pelusa suciedad o escombros le sugerimos instalar un filtro envolvente de aire de combustion Inspeccione con cuidado el sistema de tubos de ventilation y aseguresc de que cumpla con todos los codigos locales y estatales asi como las especificaciones contenid...

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