American Water Heater PowerVent Use & Care Manual

American Water Heater PowerVent Use & Care Manual

Residential 40, 50 gallon
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Warning:
This water heater is not suitable
!
for use in manufactured (mobile) homes!
Compliant with South Coast Air Quality Management District Rule 1121 10 ng/J NOx Emissions
!
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 vapors or liquids or other
combustible materials in the vicinity of this or
any other appliance. To do so may result in an
explosion or fire.
— 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.
DO NOT RETURN
If you need technical or installation assistance, please call the Technical Support
Lines at 1-800-432-8373.
®
El manual en Español está disponible en www.rheem.com.
Printed in USA
Use & Care Manual
With Installation Instructions for the Installer
Residential Gas - Low NOx Emissions
W I T H E L E C T R O N I C C O N T R O L
Residential 40, 50 Gallon
The purpose of this manual is twofold: one, to provide the installer with the basic directions
and recommendations for the proper installation and adjustment of the water heater;
and two, for the owner–operator, to explain the features, operation, safety precautions,
maintenance and troubleshooting of the water heater. This manual also includes a parts list.
It is very important that all persons who are expected to install, operate or adjust this
water heater read the instructions carefully so they may understand how to perform
these operations. If you do not understand these instructions or any terms within it, seek
professional assistance.
Any questions regarding the operation, maintenance, service or warranty of this water
heater should be directed to the seller from whom it was purchased. If additional
information is required, refer to the section on "If you need service."
Do not destroy this manual. Please read carefully and keep in a safe place for future
reference.
!
Recognize this symbol as an indication of Important Safety Information!
!
California Proposition 65 Warning: This product contains chemicals known to the
State of California to cause cancer, birth defects or other reproductive harm.
this water heater to the store or place of purchase.

Water Heaters

®
FVIR Certified
If you cannot reach your gas supplier, call
the fire department.
Do not return to your home until authorized
by the gas supplier or fire department.
— Improper installation, adjustment, alteration,
service or maintenance can cause property
damage, personal injury, or death. Refer to
this manual. Installation and service must be
performed by a qualified installer, service
agency or the gas supplier.
AP15212-1 (08/10)

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Summary of Contents for American Water Heater PowerVent

  • Page 1: Water Heaters

    Use & Care Manual Warning: This water heater is not suitable for use in manufactured (mobile) homes! With Installation Instructions for the Installer Compliant with South Coast Air Quality Management District Rule 1121 10 ng/J NOx Emissions Residential Gas - Low NOx Emissions Water Heaters ®...
  • Page 2: Table Of Contents

    Safety Information FOR YOUR RECORDS Safety Precautions ..3–6 Write the model and serial numbers here: LP Gas Models ... 5 Installation Instructions You can find them on a label on the appliance. Location .
  • Page 3 IMPORTANT SAFETY INFORMATION. READ ALL INSTRUCTIONS BEFORE USING. Be sure to read and understand the entire Use and Care Manual before attempting to install or operate this water heater. It may save you time and money. Pay particular attention to the Safety Instructions. Failure to follow these warnings could result in serious bodily injury or death.
  • Page 4: Water Temperature Setting

    IMPORTANT SAFETY INFORMATION. READ ALL INSTRUCTIONS BEFORE USING. DANGER! WATER TEMPERATURE SETTING Safety and energy conservation are factors to be considered when selecting the water temperature setting of a water heater’s gas control. Water temperatures above 125°F can cause severe burns or death from scalding. Be sure to read and follow the warnings outlined on the label pictured below.
  • Page 5 DANGER! LIQUEFIED PETROLEUM (LP PROPANE OR BUTANE) AND NATURAL GAS MODELS LP and Natural gas have an odorant added to aid in detecting a gas leak. Some people may not physically be able to smell or recognize this odorant. If you are unsure or unfamiliar with the smell of LP or natural gas, ask the gas supplier.
  • Page 6: Safety Precautions

    IMPORTANT SAFETY INFORMATION. READ ALL INSTRUCTIONS BEFORE USING. WARNING! For your safety, the information in this manual must be followed to minimize the risk of fire or explosion, electric shock, or to prevent property damage, personal injury, or loss of life.
  • Page 7: Location

    Installing the water heater. This water heater must be installed in accordance with these instructions, local codes, utility company requirements, and/or in the absence of local codes, use the latest edition of the American National Standard/National Fuel Gas Code. A copy can be purchased from either the American Gas Association, 400 N.
  • Page 8: Inspect Shipment

    Installing the water heater. Inspect Shipment Inspect the water heater for possible type of gas supplied corresponds to the damage. Check the markings on the rating water heater requirements. plate of the water heater to be certain the Combustion and Ventilation Air Ventilation (ambient) air temperature The minimum net free area of each opening must not be less than one square inch...
  • Page 9: Water Supply Connections

    Thermal Expansion Determine if a check valve exists in the pressure increase in the water heater and inlet water line. Check with your local water system piping. This rapid pressure increase can utility company. It may have been installed quickly reach the safety setting of the relief in the cold water line as a separate back flow valve, causing it to operate during each heating preventer, or it may be part of a pressure...
  • Page 10: Relief Valve

    Installing the water heater. A new combination temperature and pressure relief valve, complying with the Standard for Relief Valves and Automatic Gas Shut-Off Devices for Hot Water Supply Systems, ANSI Z21.22, is supplied and must remain in the opening provided and marked for the purpose on the water heater. No valve of any type should be installed between the relief valve and the tank.
  • Page 11: Gas Supply

    WARNING: Do not attempt to convert this water heater for use with a different type of gas other than the type shown on the rating plate. Such conversion could result in hazardous operating conditions. Gas Supply The branch gas supply line to the water Where a sediment trap is not incorporated heater should be clean 1/2”...
  • Page 12: Venting

    Installing the water heater. The water heater must be installed with the factory supplied blower assembly in place. Venting DANGER: Failure to install the blower assembly The water heater must be vented to the the venting system in a way that restricts and properly vent the water outdoors as described in these instructions.
  • Page 13 Maximum and Minimum Vent Lengths for Residential 40 & 50 Gallon Power Vents Minimum vent length for 2”vent pipe is one (1) foot of vertical pipe, one (1) 90°elbow, and two (2) feet of horizontal pipe. Maximum Venting information for 2” Vents* Models Maximum Number...
  • Page 14 Installing the water heater. NOTICE: All pipe, fittings, solvent cement, primers and procedures must conform to American National Standards Institute and American Society for Testing and Materials (ANSI/ASTM) standards. Horizontal Vent Terminal Location The location of the vent terminal depends on the following minimum clearances and considerations (see illustration): Vent Terminal must be at least twelve (12) inches above Soffit vents...
  • Page 15 NOTICE: All pipe, fittings, solvent cement, primers and procedures must conform to American National Standards Institute and American Society for Testing and Materials (ANSI/ASTM) standards. Horizontal Vent Installation Once the vent terminal location has been determined, make a 2' x 2' Sheet hole through the exterior wall to accommodate the vent pipe.
  • Page 16 Installing the water heater. NOTICE: All pipe, fittings, solvent cement, primers and procedures must conform to American National Standards Institute and American Society for Testing and Materials (ANSI/ASTM) standards. Cementing Joints NOTICE: Stir the solvent cement All joints in the vent piping must be WARNING: DANGER properly sealed and the following frequently while using.
  • Page 17 Wiring If local codes permit, the water heater may The water heater must be electrically be connected to electric service with the grounded in accordance with local power cord provided (DO NOT use an codes, or, in the absence of local codes, extension cord).
  • Page 18: Pipe Insulation

    Installing the water heater. Insulation Blankets Insulation blankets, available to the CAUTION: If local codes require the WARNING: If local general public, for external use on gas application of an external insulation codes require external water heaters are not necessary. The blanket to this water heater, pay careful application of insulation purpose of an insulation blanket is to...
  • Page 19: Heat Traps

    Installing the water heater continued..Heat Trap For increased energy efficiency, some These heat traps may require a minimum water heaters have been supplied with of one (1) 90 3/4” NPT elbow and may ° factory installed 3/4” NPT heat traps in require an additional 90°...
  • Page 20: Installation Checklist

    Installation Checklist A. Water Heater Location ❑ Close to area of vent. ❑ Provisions made to protect area from water damage. ❑ Indoors and protected from freezing temperatures. Sufficient room to service heater. ❑ ❑ Proper clearance from combustible surfaces ❑...
  • Page 21: Potable/Space Heating

    Supplemental instructions for gas water heaters installed in potable water/space heating applications. Local codes or plumbing authority requirements may vary from the instructions or diagrams provided in this manual and take precedent over these instructions. Combination Potable Water and Space Heating Application Hot water supply to house...
  • Page 22: Lighting The Water Heater

    Lighting the water heater. Before operating this water heater, be sure to read and follow the instructions on the label pictured below and all other labels on the water heater, as well as the warnings printed in this manual. Failure to do so can result in unsafe operation of the water heater resulting in property damage, personal injury, or death.
  • Page 23 Operating the water heater. CAUTION: Hydrogen gas can be produced in a hot water system served by this water heater that has not been used for a long period of time (generally two weeks or more). HYDROGEN GAS IS EXTREMELY FLAMMABLE!! To dissipate such gas and to reduce risk of injury, it is recommended that the hot water faucet be opened for several minutes at the kitchen sink before using any electrical appliance connected to the hot water system.
  • Page 24: Water Temperature

    Operating the water heater. Water Temperature Setting… the gas supply to the burner if the main burner is extinguished for any reason. The following is additional information which The gas control (thermostat) is also equipped with aid in determining a safe working temperature to a gas shut off device that will shut off the gas meet each household need.
  • Page 25: Sequence Of Operation

    Sequence of Operation… 1. During initial start-up or a call for heat, the This water heater is equipped with a flammable control will verify the vacuum switch is open. vapor sensor that is monitored continuously by the electronic control in all modes of operation. 2.
  • Page 26: Care And Cleaning

    Care and cleaning of the water heater. Draining the Water Heater Before turning off the cold water supply to CAUTION: Shut off gas to the water the water heater, open a hot water faucet heater at the gas control (thermostat) allowing sufficient cold water into the gas cock or manual shut-off valve tank to prevent the risk of a scald injury...
  • Page 27: Burner Inspection

    Housekeeping Visually inspect the pilot. When installed in a closet, DO NOT block DANGER: Combustible or obstruct any of the combustion air inlet materials, such as clothing, To ensure sufficient ventilation and openings located around the perimeter of the combustion air supply, proper clearances cleaning materials, or water heater.
  • Page 28: Extended Shut-Down

    Care and cleaning of the water heater Vacation and Extended Shut-Down NOTICE: Refer to the If the water heater is to remain idle for an water heater’s operation and controls extended period of time, the power and should be checked by qualified service Hydrogen Gas Caution in the water to the appliance should be turned off personnel.
  • Page 29: Troubleshooting Tips

    Before You Call For Service… Troubleshooting Tips Save time and money! Review the charts on the following pages first and you may not need to call for service. This water heater incorporates a combustion shut off device that shuts the operation of the water heater down if undesirable combustion conditions occur, such as the presence of flammable vapors or blockage of the combustion air inlet openings.
  • Page 30 Before You Call For Service… Troubleshooting Tips Save time and money! Review the charts on the following pages first and you may not need to call for service. This water heater incorporates a combustion shut off device that shuts the operation of the water heater down if undesirable combustion conditions occur, such as the presence of flammable vapors or blockage of the combustion air inlet openings.
  • Page 31 Gas Valve Error Codes GAS VALVE STATUS/PROBLEM PROBABLE CAUSE SOLUTION Short flash once IDLE (no call for heat, Temperature setpoint achieved and No solution required every four seconds no fault conditions) burner is off “Heartbeat”, alter- Call For Heat (no fault Water temperature is below set- No solution required nates bright/dim...
  • Page 32: Replacement Parts

    Replacement Parts. For 40 and 50 gallon models using natural or LP gas. Instructions For Placing a Parts Order All parts orders should include: Part description (as noted below) and The model and serial number of the number of parts desired. water heater from the rating plate.
  • Page 33 Replacement Parts. Burner Burner Access Door Gasket Ignitor Wire Pilot Burner Access Bracket Pilot Screw Door Assembly Pilot Bracket Screws Pilot Tube Burner Hex Nuts The kit provides extra speed clips and tamper resistant screws.
  • Page 34 Notes:...
  • Page 35 Notes:...
  • Page 36: If You Need Service

    IF YOU NEED SERVICE 1. Should you have any questions about your new water heater, or if it requires adjustment, repair, or routine maintenance, it is suggested that you first contact your installer, plumbing contractor or previously agreed upon service agency.

This manual is also suitable for:

Powervent 42vp40fnPowervent 42vp50fn

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