Rheem Professional Classic Plus Series: Heavy Duty Power Direct Vent- Manuals

5 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 ...

6 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...

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 ...

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 ...

9 NOTICE: The National Fuel Gas Code (NFGC) mandates a manual gas shut-off valve: See (NFGC) for complete instructions. Local codes or plumbing authority requirements may vary from the instructions or diagrams provided and take precedent over these instructions. A new combination temperature and pre...

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 properly sized steel pipe...

12 The support method used should isolate the vent and combustion air-inlet pipes from floor joists or other structural members to help prevent the transmission of noise and vibration.Do not support, pin or otherwise secure the vent and combustion air-inlet systems in a way that restricts the normal...

This water heater may also be installed with 3 in. (7.6 cm) diameter pipe and fittings for the vent and combustion air- inlet systems. To connect the vent system piping: • Install a straight length of 2 in. (5.1 cm) diameter pipe to the rubber coupling on the blower assembly, • Followed by a 2 in. (...

Installing the Water Heater Table 1 From Sea Level through 5,999 ft. (1,828 m) Above Sea Level Model Vent & Combustion Air-Inlet System Diameter Min. Allowed Equivalent Vent & Combustion Air- Inlet Lengths (Each Pipe Run) Max. Allowed Equivalent Vent & Combustion Air- Inlet Lengths (Each...

Read these instructions thoroughly and make sure you understand all steps and procedures before proceeding with the installation.1. Connect the vent system piping to the blower assembly using the already installed 3 in. (7.6 cm) diameter rubber coupling and clamps. 2. Connect the combustion air-inle...

16 Installing the Water Heater Table 2 From Sea Level through 2,000 ft. (609 m) Above Sea Level Model Vent & Combustion Air-Inlet System Diameter Min. Allowed Equivalent Vent & Combustion Air-Inlet Lengths (Each Pipe Run) Max. Allowed Equivalent Vent & Combustion Air- Inlet Lengths (Each...

18 Direct Vent Terminal Clearances D V V E FIXE D CLO SED OPE RAB LE OPE RAB LE FIXE D CLOS ED v v B L F C B v v v X B B B A J B I H X v M K v G A V Vent Terminal X Air Supply Inlet A rea Where Terminal Is Not Permitted US Installations 1 A = Clearance above grade, veranda, porch, deck or balcony 1 ...

DO NOT install the vent terminal under any patio or deck. To help prevent moisture from freezing on walls and under eaves, do not locate the vent terminal on the side of a building with prevailing winter winds. When terminating the vent and combustion air-inlet pipes through brick or masonry surface...

Installing the Water Heater 20 zontal sections must slope upwards a minimum of 1/8 in. per foot (10 mm per m); DO NOT use unequal diameters of pipe and fit- tings for the vent and combustion air-inlet systems except as defined previously NOTICE: The difference between the vent and combustion air-inl...

22 Horizontal Vent- Alternate Concentric Terminal Installation: Contact Manufacturer's National Service Department for Kit information, see "If You Need Service" section. Read these instructions thoroughly and make sure you understand all steps and procedures before proceeding with the insta...

23 -B- -A- -B- d .008 d .010 Horizontal Vent - Concentric Terminal Installation Rear of Rain Cap Flush with Outside of Wall Outside of Building Inside of Building Raise horizontal pipe upwards 1/8 in. per foot (10 mm per m) min. Combustion Air-Inlet System 3 in. (7.6 cm) Vent System 3 in. (7.6 cm) O...

Read these instructions thoroughly and make sure you understand all steps and procedures before proceeding with the installation.Determine the locations for the vent and com- bustion air-inlet terminals then make two (2) holes through the roof and interior ceiling(s) to accommodate the vent and comb...

25 IMPORTANT: The vent terminal must not terminate below the combustion air-inlet terminal. -B- -A- -B- d .008 d .010 # Min. 12 in. (30.5 cm) Above Roof or Anticipated Snow Level; which ever is highest and Max. 24 in. (61 cm) Above Roof (Without Additional Support) Terminals with 1/2 in. (1.3 cm) Me...

Read these instructions thoroughly and make sure you understand all steps and procedures before proceeding with the installation.Determine the location for the concentric terminal then make a 5 in. (12.7 cm) hole through the roof and interior ceiling(s) to accommodate the terminal, vent and combusti...

-B- -A- -B- d .008 d .010 Vent # 27 -B- -A- -B- d .008 d .010 Vent Combustion Air-Inlet Alternate Concentric Vent and /or Combustion Air-Inlet Pipe Through Roof Slope 1/8 in. per foot (10 mm per m) towards the water heater Combustion Air-Inlet Elbow Short Piece of Pipe Concentric Vent and /or Combus...

There is no condensate collection and disposal required for Rheem water heaters under most conditions. Installations where the vent system length is short or where it runs through conditioned space in the home, such as basements or interior walls, do not typically cause condensation and will not req...

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.If local codes do not permit the use of cord connections, a 120 V, 50/60 Hz power supply, with suitable disconnecting m...

For increased energy efficiency, some water heaters have been supplied with two 24 in. (61 cm) long sections of pipe insulation. Please install the insulation, according to the illustrations above, that best meets your requirements. Typical vertical piping arrangement Hot and Cold Pipe Insulation In...

DO o DO check inlet gas pressure to ensure that it is within the range specified on the rating plate. o DO maintain proper clearances to combustibles as specified on the rating plate. o DO allow enough time for joint cement vapors to dissipate BEFORE applying power to the water heater. o DO ensure t...

Installation Checklist A. Water Heater Location o In a location where the vent and combustion air- inlet systems will be within the requirements speci- fied in this manual. o Indoors and protected from freezing temperatures. o Proper clearance from combustible surfaces observed and water heater not ...

Tee fitting for vertical hot water supply lines. Hot water supply to house From HOT outlet on water heater Hot water supply to heating unit Supplemental Instructions for Gas Water Heaters Installed in Potable Water/Space Heating Applications Local codes or plumbing authority requirements may vary fr...

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 resultin...

Operating the water heater Safety Precautions Do turn off manual gas shut-off valve if water heater has been subjected to over heating, fire, flood, physi- cal damage or if the gas supply fails to shut off. Do Not turn on water heater unless it is completely filled with water. Do Not turn on water h...

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 combination gas control (th...

Sequence of Operation During initial start-up or a call for heat, the con- trol will verify the vacuum switch is open.Once the control verifies the vent pressure switch is open, the control will energize the blower motor for the pre-purge sequence (approximately 5 seconds).The control will verify th...

Care and Cleaning of the Water Heater Draining the Water Heater ! CAUTION: Shut off gas to the water heater at the manual gas 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 rel...

Before You Call for Service Troubleshooting TipsSave time and money! Review the charts on the following pages first and you may not need to call for service. This water heater incorporates shut off devices that shuts the operation of the water heater down if undesirable combustion conditions occur, ...

Before You Call For Service Troubleshooting TipsSave time and money! Review the charts on the following pages first and you may not need to call for service. This water heater incorporates shut off devices that shut the operation of the water heater down if undesirable combustion conditions occur, s...

Gas Valve LED Codes CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. VERIFY PROPER OPERATION AFTER SERVICING. CAUTION: For your safety DO NOT attempt repair of gas piping, combination gas control thermostat, burners, v...

Replacement Parts For 40, 50, 65, and 75 Gallon Models equipped for use with Natural or Liquified Petroleum/LP gas. Instructions For Placing a Parts Order All parts orders should include: The model and serial number of the water heater from the rating plate. Specify type of gas (Natural or Liquified...

44 The Commonwealth of Massachusetts requires compliance with regula- tion 5.08: Modifications to NFPA-54, Chapter 10 : 248 CMR 4.00 and 5.00 for installation of through – the – wall vented gas appliances as follows: (1) Revise NFPA-54 section 10.5.4.2 by adding a second exception as fol- lows: Exis...