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A Spanish language version of these instructions is available by
contacting the company listed on the rating plate.
La versión espãnola de estas instrucciones se puede obtener al
escribirle a la fábrica cuyo nombre aparece en la placa de
especificaciones.
MANUFACTURED HOME (MOBILE HOME)
CLOSED COMBUSTION (DIRECT VENTING)
WARNING: If the information in these instructions is
not followed exactly, a fire or explosion may result
causing property damage, personal injury or death.
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 we
recommend water heaters be installed and serviced by a
plumbing professional.
GAS WATER HEATER
INSTALLATION AND OPERATING
INSTRUCTION MANUAL
FOR YOUR SAFETY
238-37281-00AA REV 5/18

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Summary of Contents for Bradford White RG2DVMH40T6X-264

  • Page 1 GAS WATER HEATER A Spanish language version of these instructions is available by contacting the company listed on the rating plate. La versión espãnola de estas instrucciones se puede obtener al escribirle a la fábrica cuyo nombre aparece en 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 Mobile Home Water Heater. We strongly recommend that you contact a plumbing professional for the installation of this water heater.
  • Page 3: Table Of Contents

    TABLE OF CONTENTS Page   GENERAL INFORMATION ................4   INSTALLATION ....................5   Locating the Water Heater ............... 5   Minimum Clearances ................8   Drain Pan Installation ................9   Combustion Air Supply ................10   Venting....................11  ...
  • Page 4: General Information

    GENERAL INFORMATION This water heater must be installed in accordance with The Federal Manufactured Home Construction And Safety Standard (H.U.D. Title 24, Part 3280.707d2) or CAN/CSA Z240 MH series, mobile home. In the absence of such a standard, the water heater should be installed in accordance with the Standard For Mobile Homes (ANSI/NFPA NO.
  • Page 5: Installation

    General Information continued- IMPORTANT Before proceeding, please inspect the water heater and components for possible damage. DO NOT install any damaged components. If damage is evident then please contact the supplier where the water heater was purchased or the manufacturer listed on the rating plate for replacement parts.
  • Page 6 Installation (Locating The Water Heater) continued- WARNING Water heaters are heat producing appliances. To avoid damage or injury there must be no materials stored against the water heater or vent-air intake system and proper care must be taken to avoid unnecessary contact (especially by children) with the water heater and vent-air intake components.
  • Page 7 Installation (Locating The Water Heater) continued- WARNING Liquefied petroleum gases/propane gases are heavier than air and will remain at floor level if there is a leak. Basements, crawl spaces, closets and areas below ground level will serve as pockets for accumulation of leaking gas.
  • Page 8: Minimum Clearances

    Minimum Clearances WARNING Failure to adhere to these installation and operating instructions may create a hazard to life and property and will nullify the warranty. This installation must allow access to the front of the water heater and adequate clearance must be provided for servicing and operating this water heater.
  • Page 9: Drain Pan Installation

    Drain Pan Installation for non-flammable vapor ignition resistant manufactured home water heaters This section is intended for use with non-flammable vapor ignition resistant manufactured home water heaters that will be installed in an application where a drain pan is required. After hole is cut in floor and underside sheathing, and before the water heater is installed, prepare drain pan.
  • Page 10: Combustion Air Supply

    Combustion Air Supply All combustion air must be supplied from outdoors by one of the following installation methods and as illustrated in Figure 5. The flow of combustion and ventilating air must not be obstructed. Adequate air must be supplied for combustion and ventilation.
  • Page 11: Venting

    Installation (Combustion air supply) continued- 1. After selecting the proper location for the water heater, cut a 4” (10.2cm) diameter hole through the floor and all other layers of flooring and sheathing directly beneath the front center of the water heater. 2.
  • Page 12: Water Connections

    Installation (Venting) continued- Figure 5 Water Connections NOTE: BEFORE PROCEEDING WITH THE INSTALLATION, CLOSE THE MAIN WATER SUPPLY VALVE. After shutting off the main water supply, open a faucet to relieve the water line pressure to prevent any water from leaking out of the pipes while making the water connections to the water heater.
  • Page 13 Installation (Water connections) continued- 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 must be made to control thermal expansion. DO NOT operate this water heater in a closed system without provisions for controlling thermal expansion.
  • Page 14 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 appliance, which is connected to the hot water system.
  • Page 15: Gas Connections

    Gas Connections The gas supply lines must meet all requirements of the National Fuel Gas Code (ANSI Z223.1-Latest Edition), or in Canada CAN/CGA B149.1 Natural Gas Installation Code (Latest Edition) or CAN/CGA B149.2 Propane Installation Code (Latest Edition). The minimum permissible gas supply pressure for the purpose of input adjustment is one (1.0) inch (0.25 kPa) water column above the operating manifold pressure.
  • Page 16: Gas Conversion Instructions

    Gas Conversion Instructions Unless specifically ordered for operation on natural gas, this water heater is normally equipped for operation on liquefied petroleum (LP) gas but may be converted by following these gas conversion instructions. Caution: Make sure gas to be supplied to this water heater following the conversion matches the gas being converted to.
  • Page 17 Gas Conversion Instructions continued- 7. Replace the burner assembly, reconnect all fittings and check for leaks. Refer to “Gas Connections”. 8. Close and/or replace inner and outer doors. 9. To light pilot, follow the lighting instructions provided on the water heater and in this installation and operation instruction manual.
  • Page 18 Gas Conversion Instructions continued- 7. Replace the burner assembly and reconnect all fittings and check for leaks. Refer to “Gas Connections”. Close and/or replace inner and outer doors. Note: For closed combustion product, make sure screws are tight and seal is made around gas supply tube to burner.
  • Page 19 Gas Conversion Instructions continued- Figure 8 4. Replace the plastic cover. 5. Disconnect thermocouple, gas supply tube and pilot tube from the gas valve and remove the burner assembly from the water heater. 6. Remove the “RED” color coded L.P. orifice and pilot assembly and replace with natural gas orifice and pilot assembly provided in the cloth bag attached to the water heater.
  • Page 20: General Operation

    GENERAL OPERATION WARNING Water heaters are heat producing appliances. To avoid damage or injury there must be no materials stored against the water heater or vent-air intake system, and proper care must be taken to avoid unnecessary contact (especially by children) with the water heater and vent-air intake system.
  • Page 21: Lighting And Shutdown Instructions

    Lighting and Shutdown Instructions...
  • Page 22: Thermostat Adjustment

    Thermostat Adjustment Figure 9 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 thermostat dial. It is suggested that the starting point setting not be greater than the ” “ mark on the thermostat dial (approximately 120°F [48.9°C]) as pictured above.
  • Page 23 Thermostat Adjustment Continued- Figure 11 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 thermostat dial. It is suggested that the starting point setting not be greater than the ” “ mark on the thermostat dial (approximately 120°F [48.9°C]) as pictured above.
  • Page 24: Burner Flame Check

    General Operation continued- DANGER Hotter water increases the risk of scald injury. Scalding may occur within five (5) seconds at a temperature setting of 140°F (60°C). To protect against hot water injury, install an ASSE approved mixing valve in the water system.
  • Page 25 Maintenance Continued- Regular inspection and maintenance of the water heater and vent-air intake system will help to insure safe and reliable operation. 1. Annually check the operation of the thermostat. 2. The flow of combustion and ventilation air MUST NOT be restricted. Clear the combustion air openings of any dirt, dust, or other restrictions.
  • Page 26 Maintenance Continued- Contact the plumbing professional that installed the water heater or the manufacturer listed on the rating plate for anode replacement information. The use of a water softener may increase the speed of consumption. More frequent inspection of the anode is needed when using softened (or phosphate treated) water.
  • Page 27: Typical Installation

    TYPICAL INSTALLATION...
  • Page 28: Parts List

    PARTS LIST GAS FIRED MANUFACTURED HOME (MOBILE HOME) PART NAME AND DESCRIPTION Gas Conversion Kit 12. Inner Door 13. Convertible gas control valve Jacket Top Fiberglass Insulation 14. Pilot Assembly Glass Lined Tank 15. Gas Feed Line (Burner) Tank Skirt Assembly 16.

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