! 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 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 precautions, maintenance and troubleshooting of th
Safety Information Safety Precautions. . . . . . . 3–6 FOR YOUR RECORDS LP Gas Models . . . . . . . . . . . . 5 Write the model and serial numbers here: # Installation Instructions Location. . . . . . . . . . . . . . . . . . 7 Water Supply Connections. . . 9 Gas Supply. . . . . . . . . . . . . . . 11 # You can find them on a label on the appliance. Staple sales slip or cancelled check here. Proof of the original purchase date is needed to obtain service under the warranty. Venting. . . . . . . . . .
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. 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 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 Proper operation of the water heater requires air for combustion and ventilation. Provisions for combustion and ventilation air must comply with referenced codes and standards.
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”. A cold water inlet line with no check valve or back flow prevention device is referred to as an “open” water system.
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 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 The water heater must be installed with the factory supplied blower assembly in place. Blower Assembly Installation Connect blower assembly with the electrical connector. Attach Blower Assembly to top pan using the six (6) screws provided (See diagram to the left). DO NOT overtighten screws to ensure plastic does not crack. Install rubber coupling (supplied in the box with water heater) on blower housing and secure it.
G v H A D E V B B B RA OPE C V L LE RAB OPE F I v B A M X K X v B v v ED FIX D SE CLO v ED FIX ED S CLO v BLE J B V Vent Terminal X Air Supply Inlet Area Where Terminal Is Not Permitted US Installations A - Clearance above grade, veranda, porch, 12 in. (30 cm) deck or balcony B - Clearance to window or door that may be 4 ft. (1.
Installing the water heater Vent Pipe Materials NOTICE: This unit can be vented using only the following recommended pipe material. Use only 2- or 3-inch diameter pipe.
Condensate Management and Vent Risers There is no condensate collection and disposal required for Rheem water heaters under most conditions. Installations where the vent run is short or it runs through conditioned space in the home, such as basements or interior walls, do not typically cause condensation and will not require any condensation disposal methods regardless of vent pipe slope. Figure 1 shows the recommended vent pipe slope of no less than 1/8 inch per foot away from the water heater.
Installing the water heater 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 three (3) feet of horizontal pipe. Maximum Venting information for 2” Vents* Maximum Vent Pipe Maximum Vent Pipe Length in Feet (ft) Length in Feet (ft) 0’ - 2,000’ 2,001’ and above.
Additional Venting Requirements Installations requiring less than one (1) foot of vertical pipe before the first elbow, subtract six (6) feet from the maximum vent length. Less than 1 ft. vertical pipe before first elbow Minimum Vent Restrictor Install the vent restrictor only at the minimum vent lengths listed on page 15 for the model numbers listed below.
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 grade level and above normal snow levels.
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. 2' x 2' Sheet Metal Shieldon Brick or Masonry Walls ent Terminal V with 1/2" Mesh Protective Screen Inside Vent Pipe From Water Heater Horizontal Vent Installation Once the vent terminal location has been determined, make a hole through the exterior wall to accommodate the vent pipe.
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 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 120 NEUTRAL Diagram With Optional Electronic Display CAUTION! Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation.
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.
Installing the Optional User Display The following instructions apply only to water heater models factory supplied with the electronic display option. IMPORTANT NOTICE: This electronic display cannot be added to a water heater not supplied from the factory with an electronic display. NOTICE: DO NOT over tighten to avoid cracking plastic enclosure. Mounting Holes for Transformer Components supplied with user display models: a. O ptional Water Heater Mounting Bracket – AP14752 f.
10. T he Water Heater Mounting Bracket features a wiring slot on the top flange and an opening for the wire. Pass the thermostat wire though the Water Heater Mounting Bracket opening. 11. Clean any dust or dirt from water heater jacket to allow proper tape adhesion. 12. R emove tape backing and carefully attach to the heater jacket above the Rheem logo. Allow the thermostat wire to be positioned in the wire slot located on the bracket top flange. 15. Replace battery cover. 16.
Water Heater Optional User Display - Operation Instructions Display Temperature Setting Limits After power on, all segments on the LCD will be displayed for 2 seconds, (See Diagram A) followed by software revision shown for 2 seconds (See Diagram B). CAUTION: Risk of Scalding I n c r e a s e s w i t h H o t t e r Wa t e r Est.
Display Temperature Setting Limits The user display setpoint temperature cannot exceed maximum water heater valve setpoint temperature at any time. Max Setting icon appears when the user display setpoint exceeds the water heater gas valve knob setpoint. The water heater gas valve knob below is set to HOT therefore the user display shows Hot as the maximum available setpoint. The customer in this example has chosen to set the temperature to Hot.
Water Heater Optional User Display - Operation Instructions Estimated Hot Water Three bars shown on the user display are an estimate of hot water available relative to the temperature setpoint. The chart below describes what each symbol means. Est. Hot Water Tank is full of hot water Est. Hot Water Two thirds of the tank volume available Est. Hot Water One third of the tank volume available Est.
Installing the water heater continued Heat Traps For increased energy efficiency, some water heaters have been supplied with factory installed 3/4” NPT heat traps in the hot outlet line and cold water inlet line. These heat traps may require a minimum of one (1) 90° 3/4” NPT elbow and may require an additional 90° 3/4” NPT elbow or a 3/4” coupling depending on your installation needs. See Illustration of nipples and heat traps on page 41. During Installation of this water heater...........
Installation Checklist A. Water Heater Location ❑ Close to area of vent. ❑ 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. ❑ Provisions made to protect area from water damage. ❑ Sufficient room to service heater.
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.
Operating the water heater Water Temperature Setting… The following is additional information which aid in determining a safe working temperature to meet each household need. 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.
Sequence of Operation… 1. During initial start-up or a call for heat, the control will verify the vacuum switch is open. 2. Once the control verifies the blower vacuum switch is open, the control will energize the blower motor for the pre-purge sequence (approximately 5 seconds). 3. The control will verify the blower vacuum switch has closed, ensuring that the blower is functioning properly and that the venting system is not blocked. 4.
Care and cleaning of the water heater Draining the Water Heater ! CAUTION: Shut off gas to the water heater at the gas control (thermostat) gas cock or 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.
! DANGER: Combustible materials, such as clothing, cleaning materials, or flammable liquids, etc., must not be placed against or next to the water heater. Housekeeping Visually inspect the pilot. openings and any obstruction. 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.
Care and cleaning of the water heater Vacation and Extended Shut-Down NOTICE: Refer to the Hydrogen Gas Caution in the Operating Instructions. If the water heater is to remain idle for an extended period of time, the power and water to the appliance should be turned off to conserve energy and prevent a build-up of dangerous hydrogen gas. The water heater and piping should be drained if they might be subjected to freezing temperatures.
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. Please 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 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. Please contact a Qualified Service Technician if this occurs.
Gas Valve LED Codes LCD CODE For Optional Display None None GAS VALVE LED Short flash once every four seconds “Heartbeat”, alternates bright/dim STATUS/PROBLEM PROBABLE CAUSE SOLUTION IDLE (no call for heat, no fault conditions) Call For Heat (no fault conditions) Low flame signal (control continues to operate) Temperature setpoint achieved and burner is off No solution required Water temperature is below setpoint and burner is on No solution required Pilot tube restriction, carbon buildup on ele
Replacement Parts For 40 and 50 gallon models using natural or LP gas. Instructions For Placing a Parts Order All parts orders should include: he model and serial number of the T water heater from the rating plate. pecify type of gas (natural or LP) as S marked on the rating plate. art description (as noted below) and P number of parts desired. Rubber Coupling Refer to page 44.
Notes: 43
IF YOU NEED SERVICE 1 S hould 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.
