American Water Heater DIRECT VENT GAS WATER HEATER Installation And Operating Instruction Manual

American water heater co direct vent gas water heater installation and operating instruction manual

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DIRECT VENT 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.
INSTALLATION & OPERATING
INSTRUCTION MANUAL
WARNING:
If the information in these instructions is
not followed exactly, a fire or explosion may result
causing property damage, personal injury or death.
FOR YOUR SAFETY
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.
238-45839-00D REV 07/07

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Summary of Contents for American Water Heater DIRECT VENT GAS WATER HEATER

  • Page 1 DIRECT VENT 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 This installation, operation and instruction manual will explain in detail the installation and maintenance of your new Direct Vent Gas 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 GENERAL INFORMATION ... 4 INSTALLATION ... 5 Locating The Water Heater ... 5 Minimum Clearances... 8 Optional Direct Vent-Air Intake Terminal Guard ... 9 Venting ...11 Horizontal and Vertical Vent-Air Intake Lengths ...13 Vent-Air Intake System Installation...16 Water Connections ...24 Gas Connections ...28 GENERAL OPERATION...
  • Page 4: General Information

    GENERAL INFORMATION This gas-fired water heater’s design is certified by CSA International under the American National Standard Z21.10.1 - (as indicated on the rating plate) and CSA 4.1-M - (as indicated on the rating plate). This water heater must be installed in accordance with local codes or, in the absence of local codes, the National Fuel Gas Code, ANSI Z223.1-Latest Edition) and/or in Canada CAN/CGA B149 Installation Codes (Latest Editions).
  • Page 5: Installation

    General Information continued- IMPORTANT Before proceeding, please inspect the water heater and its 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- Water heaters in residential garages must be installed and located, or protected, to avoid physical damage. For other installations refer to local codes. In the absence of local codes, the water heater must be installed in compliance with 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...
  • Page 7 Installation (Locating The Water Heater) continued- WARNING Liquefied petroleum gases/propane gas 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

    Installation (Locating The Water Heater) continued- The water heater must be located close enough to the outside wall to keep the venting distance within the maximum distance described in the installation instructions. Note: The direct vent-air intake terminal must be installed on a vertical wall.
  • Page 9: Optional Direct Vent-Air Intake Terminal Guard

    OPTIONAL DIRECT VENT-AIR INTAKE TERMINAL GUARD WARNING The direct vent-air intake terminal is HOT while the water heater is in operation. Do not touch. Keep children, combustibles, gasoline and other liquids having flammable vapors away. It is recommended that a vent-air intake terminal guard be installed when the vent-air intake terminal is located where it can be touched accidentally, or accessed by children.
  • Page 10 Installation continued- Figure 2 Figure 3...
  • Page 11: Venting

    VENTING This is a Direct Vent Gas Water Heater where all air for combustion is obtained from the outside atmosphere and all flue gases are discharged to the outside atmosphere. WARNING The vent-air intake system must be properly installed. Failure to properly install the vent-air intake system properly could result in property damage, personal injury or death.
  • Page 12 Venting continued- Canadian Installations Clearance to service regulator vent 36 inches outlet or oil tank vent (91 cm) Clearance to non-mechanical air 12 inches supply inlet to building or the (30 cm) combustion air inlet to any other appliance Clearance to a mechanical air supply 6 feet inlet (1.83 m)
  • Page 13: Horizontal And Vertical Vent-Air Intake Lengths

    HORIZONTAL AND VERTICAL VENT-AIR INTAKE LENGTHS This Direct Vent Gas Water Heater comes one (1) vent-air intake “Kit C”. Optional vent-air intake kits are available that can extend the horizontal length and/or vertical height of the vent-air intake system. Table A lists the...
  • Page 14 Installation (Horizontal and Vertical Vent-Air Intake Lengths) continued- The water heater is shipped with the following standard vent and air intake system: 239-41097-00. The components of this vent and air intake systems is as follows: 3” Vent Tube* Vent Terminal Hardware 5”...
  • Page 15 Installation (Horizontal and Vertical Vent-Air Intake Lengths) continued- Figure 6...
  • Page 16: Vent-Air Intake System Installation

    VENT-AIR INTAKE SYSTEM INSTALLATION WARNING The vent-air intake system must be properly installed. Failure to properly install the vent-air intake system could result in property damage, personal injury or death. Do not install any damaged vent-air intake system components. Contact the manufacturer of the water heater for replacement parts. IMPORTANT When the following instructions specify, to seal a vent-air intake joint, use only Loctite Ultra Blue 587 RTV Silicone sealant.
  • Page 17 Installation (Vent-Air Intake System Installation) continued- 1. Measure the vertical height “Y” required in your installation. (See Figure 6). Reference the appropriate Table A to determine number of vent-air intake kits required in your installation. 2. Measure the horizontal length “X” required in your installation (See Figure 6).
  • Page 18 Installation (Vent-Air Intake System Installation) continued- IMPORTANT The following instructions detail the installation of the standard horizontal vent-air intake kit supplied with the water heater. 5. Insert the straight end of the three (3) inch (7.6 cm) diameter elbow into the flue reducer until firmly seated and oriented in the correct direction.
  • Page 19 Installation (Vent-Air Intake System Installation) continued- Figure 9 7. Extend the three (3) inch (7.6 cm) diameter telescopic tube to its maximum length and slide the backing plate over it. Place the large end of the three (3) inch (7.6 cm) diameter telescopic tube through the hole in the outside wall.
  • Page 20 Installation (Vent-Air Intake System Installation) continued- Figure 10 8. Extend the five (5) inch (12.7 cm) diameter telescopic tube to its maximum length. Place the large end of the five (5) inch (12.7 cm) diameter telescopic tube over the collar on the outer wall mount plate. Drill three (3) 1/8 inch diameter holes, 120 inch (12.7 cm) diameter telescopic tube into the collar on the outer wall mount plate.
  • Page 21 Installation (Vent-Air Intake System Installation) continued- 9. From outside the building, slide the five (5) inch (12.7 cm) diameter telescopic tube through the opening in the wall until the outer wall mount plate is flush with the wall (See Figure 12). Figure 12 10.
  • Page 22 Installation (Vent-Air Intake System Installation) continued- Figure 13 11. From inside the building, slide the backing plate over the five (5) inch (12.7 cm) diameter telescopic tube until it is flush with the wall. Adjust the length of the five (5) inch (12.7 cm) diameter telescopic tube and insert the end into the flared end of the five (5) inch (12.7 cm) diameter elbow one (1) inch (2.5 cm) (or until seated).
  • Page 23 Installation (Vent-Air Intake System Installation) continued- 12. Mark the mounting screw hole locations for the backing plate. Rotate the backing plate in order to gain access to the markings. With a 3/16 inch diameter drill bit (not supplied), drill holes for the supplied wall anchors.
  • Page 24: Water Connections

    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 25 Water Connections continued- WARNING For protection against excessive temperatures and pressure, install temperature and pressure protective equipment required by local codes, but not less than a combination temperature and pressure relief valve certified by a nationally recognized testing laboratory that maintains periodic inspection of production of listed equipment or materials as meeting the requirements of the Standard for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems, ANSI...
  • Page 26 Water Connections continued- WARNING FAILURE TO INSTALL AND MAINTAIN A NEW, LISTED 3/4” X 3/4” TEMPERATURE AND PRESSURE RELIEF VALVE WILL RELEASE THE MANUFACTURER FROM ANY CLAIM, WHICH MIGHT RESULT FROM EXCESSIVE TEMPERATURES 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 must be made to control thermal expansion.
  • Page 27 Water Connections continued-...
  • Page 28: 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 29: General Operation

    GENERAL OPERATION WARNING Water heaters are heat producing appliances. To avoid damage or injury, do not store materials against the water heater or vent-air intake system. Use proper care to avoid unnecessary contact (especially by children) with the water heater and vent-air intake system. UNDER NO CIRCUMSTANCES MUST FLAMMABLE MATERIALS, SUCH AS GASOLINE OR PAINT THINNER BE USED OR STORED IN THE VICINITY OF THIS WATER HEATER, VENT-AIR INTAKE SYSTEM OR...
  • Page 30: Lighting And Shutdown Instructions

    Lighting & Shutdown Instructions FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. This appliance has a pilot which is lit by a piezo-electric spark gas ignition system. Do not open the inner door and attempt to light the pilot by hand.
  • Page 31: Thermostat Adjustment

    THERMOSTAT ADJUSTMENT 160°F Control Figure 16 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 ”...
  • Page 32: Burner Flame Checks

    Thermostat Adjusting 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 33: Maintenance

    MAINTENANCE WARNING Water heaters are heat producing appliances. To avoid damage or injury, do not store materials against the water heater or vent-air intake system. Use proper care to avoid unnecessary contact (especially by children) with the water heater and vent-air intake system. UNDER NO CIRCUMSTANCES MUST FLAMMABLE MATERIALS, SUCH AS GASOLINE OR PAINT THINNER BE USED OR STORED IN THE VICINITY OF THIS WATER HEATER, VENT-AIR INTAKE SYSTEM OR...
  • Page 34 Maintenance continued- 6. Annually remove the inner door and main burner assembly to clean orifices and related parts of any dirt or other foreign material. Inspect the burner ports for obstructions or debris and clean with a wire brush as needed.
  • Page 35 Maintenance continued- CAUTION FOR YOUR SAFETY, DO NOT ATTEMPT REPAIR OF COMBINATION GAS CONTROL, BURNERS OR GAS PIPING. REFER REPAIRS TO A QUALIFIED SERVICE TECHNICIAN. Contact your supplier or plumbing professional for replacement parts or contact the company at the address given on the rating plate of the water heater.
  • Page 36: Parts List

    PARTS LIST PART NAME & DESCRIPTION Direct Vent-Air Intake Terminal Outer Wall Mount Plate Backing Plate Five (5) inch (12.7 cm) Diameter Telescopic Air Intake Tube Three (3) inch (7.6 cm) Diameter Telescopic Vent Tube Five (5) inch (12.7 cm) Diameter Elbow Three (3) inch (7.6 cm) Diameter Elbow...
  • Page 37: Direct Vent Water Heater

    DIRECT VENT WATER HEATER...
  • Page 38: Vent-Air Intake Kits

    VENT-AIR INTAKE KITS...
  • Page 39: Heating

    THE FOLLOWING INSTRUCTIONS ARE FOR INSTALLATION OF: GAS WATER HEATERS SUITABLE FOR WATER (POTABLE) HEATING AND SPACE HEATING 1. 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.
  • Page 40: Notes

    NOTES...

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