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Installation and Operation
Instruction Manual
Ultra Low Nox Gas Water Heater
A Spanish language version of these instructions is available by contacting
La versión española de estas instrucciones se puede obtener al escribirle a la
fábrica cuyo nombre aparece in la placa de especificaciones.
If the information in these instructions is not followed exactly, a fire or explosion may result
Do not store or use gasoline or other flammable, combustible, or corrosive
vapors and liquids in the vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS:
• DO NOT try to light any appliance.
• DO NOT touch any electrical switch; DO NOT use any phone in your building.
• Immediately call your gas supplier from a neighbor's phone. Follow the gas
supplier's instructions.
• If you cannot reach your gas supplier, call the fire department.
– Installation and service must be performed by a qualified installer, service agency, or
the gas supplier.
For your family's comfort, safety and convenience, it is recommended this water
heater be installed and serviced by a plumbing professional.
the manufacturer listed on the rating plate.
WARNING
causing property damage, personal injury or death.
FOR YOUR SAFETY
238-53393-00G REV 03/24
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Related Manuals for Bradford White URG240T6N-394-264
Summary of Contents for Bradford White URG240T6N-394-264
- Page 1 Installation and Operation Instruction Manual Ultra Low Nox Gas Water Heater A Spanish language version of these instructions is available by contacting the manufacturer listed on the rating plate. La versión española de estas instrucciones se puede obtener al escribirle a la fábrica cuyo nombre aparece in la placa de especificaciones.
- Page 2 CONGRATULATIONS! You have just purchased one of the finest water heaters on the market today! This installation, operation and instruction manual will explain in detail the installation and maintenance of your new Flammable Vapor Ignition Resis- tant Gas Water Heater. We strongly recommend that you contact a plumbing professional for the installation of this water heater.
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Page 3: Table Of Contents
TABLE OF CONTENTS Page General Information Installation Locating The Water Heater Minimum Clearances Venting Combustion Air Supply Water Connections Gas Connections General Operation Lighting and Shutdown Instructions Thermostat Adjustment Burner Flame Check Maintenance Troubleshooting Installation Drawing for Potable Water Parts List Drawing & Parts List Installation Instructions for Potable Water &... -
Page 4: General Information
GENERAL INFORMATION This gas-fired water heater is design certified by CSA International under the applicable American National Standard, Z21.10.1 or CSA 4.1-(as indicated on the rating plate), available from CSA Interna- tional, 8501 East Pleasant Valley Road, Cleveland, OH U.S.A. 44131-5575. This water heater must be installed in accordance with local codes. -
Page 5: Installation
General Information continued- This water heater has been manufactured for operation at altitudes from sea level to 2000 feet (610 m) (unless otherwise specified on the water heater rating plate). For use of this appliance at an elevation greater than 2000 feet (610 m) , contact the dealer or manufacturer listed on the rating plate for information on any necessary modification. - Page 6 Installation (Locating the Water Heater) continued- Note: Per Section 507.2 Seismic Provisions of the 2021 Uniform Plumbing Code (UPC). Water heaters shall be anchored or strapped to resist horizontal displacement due to earthquake motion. Strapping shall be at points within the upper one-third and lower one-third of its ver- tical dimensions.
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Page 7: Minimum Clearances
Installation (Locating The Water Heater) continued- This water heater must be located in an area where leakage of the tank, water line connections, or the combination temperature and pressure relief valve will not result in damage to the area adjacent to the water heater or to lower floors of the structure. -
Page 8: Venting
VENTING WARNING The venting system must be installed properly following all local codes or in the absence of local codes, the latest edition of the National Fuel Gas Code (ANSI Z223.1- latest edition), or in Canada, The Natural Gas and Propane Installation Code (B149.1-00 latest edition). Failure to properly install the venting system could result in property damage, personal injury, or death. -
Page 9: Combustion Air Supply
Venting continued- In a horizontal application, it is important that condensate not be allowed to buildup in the exhaust vent pipe. To prevent this from happening the pipe should be installed with a slight upward slope so the condensate will run back toward the water heater. The vent system should be supported every 5 feet (1.5 m) of vertical run and every 3 feet (1 m) of horizontal run of vent pipe length. -
Page 10: Water Connections
Combustion Air Supply continued- All Air From Inside the Building: The confined space shall be provided with two permanent open- ings communicating directly with an additional room(s) of sufficient volume so that the combined volume of all spaces meets the criteria for an unconfined space. The total input of all gas utilization equipment installed in the combined space shall be considered in making this determination. - Page 11 Installation (Water Connections) continued- WARNING FAILURE TO INSTALL AND MAINTAIN A NEW, LISTED ¾ INCH X ¾ INCH TEMPERATURE AND PRESSURE RELIEF VALVE WILL RELEASE THE MANUFACTURER FROM ANY CLAIM, WHICH MIGHT RESULT FROM EXCESSIVE TEMPERATURE AND PRESSURES. If this water heater is installed in a closed water supply system, such as the one having a back-flow preventer in the cold-water supply, provisions shall be made to control thermal expansion.
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Page 12: Gas Connections
Installation (Water Connections) continued- WARNING Hydrogen gas can be produced in an operating water heater that has not had water drawn from the tank for a long period of time (generally two weeks or more). Hydrogen gas is extremely flammable. To prevent the possibility of injury under these conditions, we recommend the hot water faucet to be open for several minutes at the kitchen sink before you use any electrical appli- ance, which is connected to the hot water system. - Page 13 Gas Connections continued- line must have a minimum length of 3 inches (7.6 cm) drip leg (sediment trap) installed as close to the water heater’s gas valve as possible. A ground joint union must be installed as close to the water heater as possible in the gas supply line feeding the water heater to permit servicing of the water heater.
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Page 14: General Operation
GENERAL OPERATION Water heaters are heat producing appliances. To avoid damage or injury there shall be no materials stored against the water heater or vent-air intake system, and proper care shall be taken to avoid un- necessary contact (especially by children) with the water heater and vent-air intake system. UNDER NO CIRCUMSTANCES SHALL FLAMMABLE MATERIALS, SUCH AS GASOLINE OR PAINT THINNER BE USED OR STORED IN THE VICINITY OF THIS WATER HEATER, VENT-AIR INTAKE SYSTEM OR IN ANY LOCATION FROM WHICH FUMES COULD REACH THE WATER HEATER OR VENT-AIR INTAKE... -
Page 15: Lighting And Shutdown Instructions
Lighting and Shutdown Instructions-White Rodgers and Robertshaw gas control... - Page 16 Lighting and Shutdown Instructions-Resideo gas control...
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Page 17: Thermostat Adjustment
THERMOSTAT ADJUSTMENT - White Rodgers gas control Fig. 2 Fig. 3 The thermostat dial is set to its lowest temperature setting when shipped from the factory. Remember that lower temperature settings are more energy efficient. Adjust the temperature by turning the ther- mostat dial. -
Page 18: Burner Flame Check
THERMOSTAT ADJUSTMENT - Resideo V2 gas control. 160°F Control (Light Grey Faceplate) 180°F Control (Dark Grey Faceplate) Fig. 6 Fig. 7 The thermostat dial is set to its lowest temperature setting when shipped from the factory. Remem- ber that lower temperature settings are more energy efficient. Adjust the temperature by turning the thermostat dial. -
Page 19: Maintenance
Burner flame check continued- Fig. 8 WARNING Do not run out of propane gas. Damage to the water heater may occur. MAINTENANCE WARNING Water heaters are heat producing appliances. To avoid damage or injury there shall be no materials stored against the water heater or vent-air intake system, and proper care shall be taken to avoid unnecessary contact (especially by children) with the water heater and vent-air intake system. - Page 20 Maintenance continued- Annually check the operation of the thermostat. The flow of combustion and ventilation air MUST NOT be restricted. Make sure slots in jacket are open and unobstructed. Clear jacket slot openings of any dirt, dust, or other restrictions. WARNING The ventilation air system may be HOT.
- Page 21 Maintenance continued- WARNING THIS WATER MAY BE HOT. If the combination temperature and pressure relief valve on the appliance discharges periodi- cally, this may be due to thermal expansion in a closed water supply system. Contact the water supplier or local plumbing inspector on how to correct this situation. Do not plug the combination temperature and pressure relief valve outlet.
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Page 22: Troubleshooting
TROUBLESHOOTING – RESIDEO V1. LED Status Control Status Probable Cause None (LED not on or flashing) Millivolt power is not present. Gas valve is functioning Light pilot. normally. Gas valve is not powered. Light pilot. One flash and three second If set point know is in “PILOT”... - Page 23 TROUBLESHOOTING – RESIDEO V1. LED Status Control Status Probable Cause Six flashes and three second Water leak detected by acces- Excessive amount of water in pause. sory module (some models). drain pan/water dam. Seven flashes and three sec- Gas valve electronic fault Verify control is not wet or ond pause.
- Page 24 TROUBLESHOOTING – RESIDEO V2. LED Status Control Status Probable Cause None (LED not on or flashing) Millivolt power is not present. Gas valve is functioning Light pilot. normally. Gas valve is not powered. Light pilot. One flash every four seconds Not an error.
- Page 25 Contact your supplier or plumbing pro- IMPORTANT fessional for replacement parts or contact the company at the address given on the rating plate of the water heater. For faster READ THE WARRANTY FOR A FULL EXPLANATION service, provide the part name, model and OF THE LENGTH OF TIME THAT PARTS AND THE serial numbers of the water heater when WATER HEATER ARE WARRANTED...
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Page 26: Installation Drawing For Potable Water
Installation for Potable Water Fig. 9... -
Page 27: Parts List Drawing & Parts List
Parts List Drawing & Parts List PART NAME AND DESCRIPTION 1. Draft Diverter 14a. Resistance Temperature Detector 2. Jacket Head Pan 15. Drain Valve 3. Jacket 16. Gas Valve 4. Outer Door 17. Wire Harness 5. Magnesium Anode–Hot Water Outlet 18. -
Page 28: Installation Instructions For Potable Water & Space
THE FOLLOWING INSTRUCTIONS ARE FOR INSTALLATION OF: GAS WATER HEATERS SUITABLE FOR WATER (POTABLE) HEATING AND SPACE HEATING All piping components connected to this water heater for space heating applications must be suitable for use with potable water. In Massachusetts, space heating piping length must not exceed 50 feet. Toxic chemicals, such as those used for boiler treatment, must not be introduced into potable water used for space heating.
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