! WARNING: This water heater is not suitable for use in manufactured (mobile) homes! Use & Care Manual With Installation Instructions for the Installer Residential Gas - FVIR Certified High Efficiency Condensing Power Direct Vent Water Heaters 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 preca
Safety Information Safety Precautions. . . . . . 3–6 LP Gas Models. . . . . . . . . . . . 5 Installation Instructions Location. . . . . . . . . . . . . . . . . . 7 Water Supply Connections . . . . . . . . . . . . . . 9 Condensate Management. . . . . . . . . . . . 10 Gas Supply. . . . . . . . . . . . . . 11 FOR YOUR RECORDS Write the model and serial numbers here: # # You can find them on a label on the appliance. Staple sales slip or cancelled check here.
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.
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 (thermostat). 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. This label is also located on the water heater.
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. Other conditions, such as “odorant fade”, which causes the odorant to diminish in intensity, can also hide or camouflage a gas leak.
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. FOR INSTALLATIONS IN THE STATE OF CALIFORNIA California Law requires that residential water heaters must be braced, anchored or strapped to resist falling or horizontal displacement due to earthquake motions.
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. Capitol Street NW, Washington, DC 20001 as ANSI standard Z223.1 or National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02269 as booklet NFPA 54.
Installing the water heater Corrosive Atmospheres NOTICE: The water heater should not be installed near an air supply containing halogenated hydrocarbons. The air in beauty shops, dry cleaning establishments, photo processing labs, and storage areas for liquid and powdered bleaches or swimming pool chemicals often contain such halogenated hydrocarbons.
IMPORTANT: DO NOT apply heat to the HOT or COLD water connections. If sweat connections are used, sweat tubing to adapter before fitting adapter to the cold water connections on heater. Any heat applied to the cold water supply fittings will permanently damage the dip tube and heat traps. Water Supply Connections Refer to the illustration below for suggested typical installation.
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. Local codes shall govern the installation of relief valves.
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 heater should be a clean 1/2” black steel pipe or other approved gas piping material. A ground joint union or ANSI design certified semi-rigid or flexible gas appliance connector should be installed in the gas line close to the water heater.
Installing the water heater Vent and Combustion Air Inlet This water heater is a direct vent appliance and must be installed so that all air for combustion is derived directly from the outside atmosphere and all flue gases are discharged to the outside atmosphere. For proper installation of the vent and combustion air-inlet systems, follow the instructions as detailed in this manual.
The Minimum and Maximum equivalent lengths for the vent and combustion air-inlet systems are shown in Table 1. *Use only Rheem 3 inch concentric termination kit (SP20245). The use of any other kit is not approved. Contact your installer or local distributor for assistance. Refer to page 37 & 38 for installation of alternate concentric vent termination. Table 1 From 0 ft. through 5,999 ft. Model 38 and 48 Gallon Heaters Vent & Combustion Air-Inlet System Diameter Min.
Installing the Water Heater Direct Vent Terminal Location G v H A D E V B B B C V L LE RAB OPE F v I B A M X K X v B v v ED FIX ED S CLO v ED FIX ED S CLO v LE RAB OPE J B The following information should be used for determining the proper location of the vent terminal for the water heater. V Vent Terminal X Air Supply Inlet Area Where Terminal Is Not Permitted 1 US Installations A = Clearance above grade, veranda, porch, 1 ft.
Terminal Location Additional Considerations DO NOT install the vent terminal under any patio or deck. Caulk Rising moisture will collect under eves Inside corner If soffit vent is too close, block off and install new vent at another location Caulk 12 in. min. above grade or anticipated snow level 6 ft. Caulk zone or to edge of window etc., starting within 6 ft.
Installing the water heater Horizontal Vent and Combustion Air-Inlet Terminal Installation continued Complete the installation of the remainder of the combustion air-inlet system and attach it to the combustion air-inlet connector fitting on the water heater’s combustion air-inlet tube assembly. Support vertical and horizontal lengths of the vent and combustion air-inlet systems as previously mentioned. 2 ft. x 2 ft.
Alternate Horizontal Vent and Combustion Air-Inlet Terminal Installation 2 ft. x 2 ft. Sheet Metal Shield on Brick or Masonry Walls (Optional for air inlet termination) Exhaust Vent Wind Vane on Combustion Air-Inlet Terminal Slope horizontal pipe upward 1/8 in. per foot min. Slope horizontal pipe upward 1/8 in. per foot min. Inside of Building Min 6 in.
Installing the Water Heater Vertical Vent and Combustion Air-Inlet Installation The location of the vent and combustion air-inlet terminals depends on the following minimum clearances and considerations. Exhaust Vent and Combustion Air-Inlet Pipe Through Roof Minimum 12 in. above roof. Minimum 12 in. above anticipated snow level. aximum 24 in. above roof level without additional M support for vent. our (4) ft. from any gable, dormer or other roof F structure with building interior access (i.e.
Alternate Vent and Combustion Air-Inlet Pipe Through Roof Terminals with 1/2 in. mesh Protective Screens Inside. Short Piece of Pipe Exhaust Vent Short Piece of Pipe # Combustion Air-Inlet # # M in. 12 in. Above Wind Vane Roof or above Anticipated Snow Level; which ever is highest and Combustion Air-Inlet Exhaust Vent Max. 24 in. Above Roof (Without Additional Support) Min 6 in. Slope horizontal pipe upward 1/8 in. per foot min. Vent Connector d .
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 WARNING: DANGER OF FIRE OR BODILY INJURY - Solvent cements and primers are highly flammable. Provide adequate ventilation and DO NOT assemble near heat source or open flame. DO NOT smoke. Avoid skin or eye contact. Observe all cautions and warnings on material containers.
Wiring If local codes permit, the water heater may be connected to electric service with the power cord provided (DO NOT use an extension cord). A grounding receptacle is required. The maximum current draw is approximately 5.0 amps. The water heater must be electrically grounded in accordance with local codes, or, in the absence of local codes, in accordance with latest edition of the National Electric Code ANSI/NFPA No. 70. Refer to the figures below for water heater internal wiring.
Installing the water heater Insulation Blankets WARNING: If local codes require external application of insulation blanket kits the manufacturer’s instructions included with the kit must be carefully followed. Insulation blankets, available to the general public, for external use on gas water heaters are not necessary. The purpose of an insulation blanket is to reduce the standby heat loss encountered with storage tank heaters.
Temperature & Pressure (T&P) Insulation Installation For increased energy efficiency, this water heater has been supplied with a 2 3/8” section of T&P insulation. Install the insulation as shown below. Typical Side Connect T & P Arrangement. Slip the insulation cover over the T&P Valve through the center hole and align the hole in the side with the opening of the T&P Valve. Ensure the T&P Valve opening is not obstructed by the insulation.
Installing the water heater During Installation of this water heater........... DO ❑ DO check inlet gas pressure to ensure that it is within the range specified on the rating plate. ❑ DO maintain proper clearances to combustibles as specified on the rating plate. ❑ DO allow enough time for joint cement vapors to dissipate BEFORE applying power to the water heater. ❑ DO ensure that the venting system complies with the guidelines found in the Use and Care Manual and National Fuel Gas Code.
Installation Checklist A. Water Heater Location ❑ In a location where the vent and combustion air-inlet systems will be within the requirements specified in this manual. ❑ Indoors and protected from freezing temperatures. ❑ Proper clearance from combustible surfaces observed and water heater not installed on carpeted floor. ❑ Sufficient fresh air supply for proper operation of water heater. ❑ Air supply free of corrosive elements and flammable vapors.
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. Hot water supply to house Hot water supply to heating unit From HOT outlet on water heater Tee fitting for vertical hot water supply lines.
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. Should you have any problems reading or following the instructions in this manual, STOP, and get help from a qualified person.
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.
Water Temperature Setting Maximum water temperatures occur just after the burner has shut off. To determine the water temperature, turn on a hot water faucet and place a thermometer in the water stream. To avoid any unintentional changes in water temperature settings, the gas control (thermostat) has a tamper resistant feature for changing the temperature setting. To change the temperature setting follow these instructions. 1.
Operating the water heater Sequence of Operation During initial start-up or a call for heat, the control will verify the pressure switch is open. Once the control verifies the blower pressure switch is open, the control will energize the blower motor for the prepurge sequence. The control will verify the blower pressure switch has closed, ensuring that the blower is functioning properly and that the condensate, combustion air inlet and venting systems are not blocked.
Care and cleaning of the water heater Draining the Water Heater ! CAUTION: Shut off gas to the water heater gas control (thermostat) at the manual shut-off valve before draining water. ! DANGER: Before manually operating the temperature and pressure relief valve, make certain no one will be exposed to the hot water released by the valve. The water drained from the tank may be hot enough to present a scald hazard and should be directed to a suitable drain to prevent injury or damage.
Care and cleaning of the water heater ! DANGER: Combustible materials, such as clothing, cleaning materials, or flammable liquids, etc., must not be placed against or next to the water heater. Housekeeping To ensure sufficient ventilation and combustion air supply, proper clearances must be maintained. DO NOT obstruct or block the Flammable Vapor Sensor. The sensor does not require any maintenance or cleaning. DO NOT get Flammable Vapor Sensor wet. DO NOT expose to cleaning agents.
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 combustion shut off devices 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 vent and/or combustion air-inlet systems. Contact a Qualified Service Technician if this occurs.
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 combustion shut off devices 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 vent and/or combustion air-inlet systems. Contact a Qualified Service Technician if this occurs.
Gas Control LED Error Codes LED Status Problem ●○○●○○ An open earth ground circuit to the ignition system. ●○●○●○ Wiring error or a high resistance to earth ground. VAC VAC ▲ A B C ▲ A B C ○● ○ ● ○ ○ ○ Pressure switch remained closed VAC ▲ A B C ●○●○○● VAC ▲ A B C longer than 5 seconds after the call for heat began. Pressure or temperature switch remained open longer than 5 seconds after the combustion blower was energized. ●○●○●● Error in the hot surface ignitor circuit.
Replacement Parts For 38 and 48 gallon models using natural or LP gas. Instructions For Placing a Parts Order All parts orders should include: CAUTION: For your safety, DO NOT attempt repair of gas piping, gas control (thermostat), burners, vent connectors or other safety devices. Refer repairs to qualified service personnel. The model and serial number of the water heater from the rating plate. pecify type of gas (natural or LP) S as marked on the rating plate.
Alternate Vent Termination INSTALLATION INSTRUCTIONS for Alternate Concentric Terminal: Use only Rheem 3" vent kit part number SP20245. IMPORTANT: Read these instructions thoroughly and make sure you understand all steps and procedures before proceeding with the installation. INSPECT SHIPMENT: Inspect contents for possible missing or damaged components. (See Figure 1) This kit includes: Qty. 1 (one) – 3 3/16” x 7 1/2” PVC Modified Reducer Rain Cap (part # 68-23421-03C) Qty.
Alternate Vent Termination Alternate Concentric Terminal Installation: Continued WARNING: DO NOT operate the water heater with the rain cap and elbow removed or recirculation of combustion products may occur. The vent and combustion air-inlet systems may also take in water, causing damage to the water heater. Failure to follow this warning could result in damage to the unit, improper operation, personal injury, or death.
Notes: 39
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. In the event the firm has moved, or is unavailable, refer to the telephone directory, commercial listings or local utility for qualified service assistance. 2.