Table of Contents
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Warning:
This water heater is not
!
suitable for use in manufactured (mobile) homes!
Residential Gas
VACATION
A
B
C
WARM
VERY
HOT
COOLER
HOTTER
!
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.
Printed in USA
Use & Care Manual
With Installation Instructions for the Installer
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.
Water Heaters
®
Residential 75 Gallon
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.
®
AP14460 (09/07)
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Table of Contents
Related Manuals for Rheem PowerVent
Summary of Contents for Rheem PowerVent
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Page 1: Residential Gas
Use & Care Manual Warning: This water heater is not With Installation Instructions for the Installer suitable for use in manufactured (mobile) homes! Residential Gas Water Heaters ® Residential 75 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;... -
Page 2: Table Of Contents
Safety Information Safety Precautions ..3–6 FOR YOUR RECORDS LP Gas Models ... 5 Write the model and serial numbers here: 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.
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Page 4: Important Safety Information
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.
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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 damage. Check the markings on the rating plate of the water heater to be certain the type of gas supplied corresponds to the water heater requirements. Combustion and Ventilation Air Ventilation (ambient) air temperature The minimum net free area of each opening must be 100°F or less. -
Page 9: Thermal Expansion
Thermal Expansion Determine if a check valve exists in the inlet water line. Check with your local water utility company. It may have been installed in the cold water line as a separate back flow preventer, or it may be part of a pressure reducing valve, water meter or water softener. A check valve located in the cold water inlet line can cause what is referred to as a “closed water system”. -
Page 10: Relief Valve
Condensation can form on the tank NOTICE: Additional information on this when it is first filled with water. subject may be found at www.rheem.com, Condensation might also occur with a under Rheem Water Heating, "Support", heavy water draw and very cold inlet scroll down to the Technical Service water temperatures. -
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 the gas piping must be of the type resistant to the action of LP gas. -
Page 12: Blower Assembly Installation
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 support method used should isolate and properly vent the water outdoors as described in these instructions. - Page 13 Installing the water heater. Maximum and Minimum Vent Lengths for Residential 75 Gallon Power Vents Minimum vent length for 3” vent pipe is one (1) foot of vertical pipe, one (1) 90°elbow, and four (4) feet of horizontal pipe. Maximum Venting information for 3” Vents Maximum Maximum Vent Pipe Number of...
- 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...
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Page 15: Vertical Vent Termination Location
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 All joints in the vent piping must be WARNING: DANGER Wipe all excess cement from the joint properly sealed and the following OF FIRE OR BODILY...
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Page 17: Wiring Diagram
Wiring If local codes permit, the water heater may The maximum current draw is be connected to electric service with the approximately 5.0 amps. power cord provided (DO NOT use an The water heater must be electrically extension cord). A grounding receptacle is grounded in accordance with local required. -
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
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° 3/4” NPT elbow the hot outlet line and cold water inlet or a 3/4”... -
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: Water Temperature
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 Operating the water heater. Water Temperature Setting… Maximum water temperatures occur just The hottest temperature water will be at after the burner has shut off. To determine the top of the tank, closest to the outlet the water temperature, turn on a hot water pipe delivering hot water to the home.
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Page 25: Sequence Of Operation
Sequence of Operation… During initial start-up or a call for heat, The blower motor will stay energized the control will verify the vacuum switch for an additional 30 seconds after the is open. control verifies that the burner flame is extinguished in order to clear combustion Once the control verifies the blower gases from the water heater. -
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 gas control heater at the (thermostat) gas allowing sufficient cold water into the cock or manual shut-off valve before tank to prevent the risk of a scald injury... -
Page 27: Vent System Inspection
Housekeeping DANGER: Combustible materials, such as clothing, Visually inspect the hot surface ignitor. When installed in a closet, DO NOT block cleaning materials, or or obstruct any of the combustion air inlet To ensure sufficient ventilation and flammable liquids, etc., must openings located around the perimeter combustion air supply, proper clearances not be placed against or next... -
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 After a long shut-down period, the Hydrogen Gas Caution in the extended period of time, the power and water heater’s operation and controls Operating Instructions. -
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 LED Codes LED Status Problem Solution ○ ○ 1. Check that the earth ground connection is properly ▼ A B C ● ○ ○ ● ○ ○ connected. An open earth ground circuit to the ignition system. 2. Check that the ground conductor on the water heater is properly connected.
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Page 32: Parts List
Replacement Parts. For 75 gallon models using natural or LP gas. Instructions For Placing a Parts Order All parts orders should include: Refer to page 34. The model and serial number of the CAUTION: For your safety, DO water heater from the rating plate. NOT attempt repair of gas piping, Specify type of gas (natural or LP) gas control (thermostat), burners,... - Page 33 Notes:...
- Page 34 Notes:...
- Page 35 Notes:...
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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.