Rheem Professional Prestige Series: High Efficiency Condensing Power Direct Vent Use and Care Manual

To review or adjust temptureStep 1. Press the two temperature adjust buttons at the same time for 1 second.Step 2. To adjust, press COOLER or HOTTER

10Installing the water heaterA new combination temperature and pressure relief valve, complying with the Standard for Relief Valves and Automatic Gas

11WARNING: 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 conver

12Installing the water heaterThis water heater is a direct vent appliance and must be installed so that all air for combustion is derived directly fro

13The Minimum and Maximum equivalent lengths for the vent and combustion air-inlet systems are shown in Table 1.*Use only Rheem 3 inch concentric term

14Installing the Water HeaterDirect Vent Terminal LocationDVVEFIXEDCLOSEDOPERABLEOPERABLEFIXEDCLOSEDvvBLFCBvvvXBBBAJBIHXvMKvGA V Vent Terminal

15 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 ve

16Installing the water heaterComplete the installation of the remainder of the combustion air-inlet system and attach it to the combustion air-inlet c

17Maintain a minimum distance from the vent and combustion air-inlet terminals of not less than 1 ft. above grade or above average snowfall whichever

18Installing the Water HeaterVertical Vent and Combustion Air-Inlet InstallationThe location of the vent and combustion air-inlet terminals depends on

19Alternate Vent and Combustion Air-Inlet Pipe Through Roof-B-d.008Exhaust VentShort Piece of PipeCombustion Air-InletSlope horizontal pipe upward 1/8

2Care and CleaningDraining ... 31Maintenance ... 31Burner Inspection ... 32Vent System Inspection .. 32Extended Shut-Down .

20Installing the Water HeaterAll joints in the vent and combustion air inlet piping must be properly sealed and the following materials are recommende

21WiringIf local codes permit, the water heater may be connected to electric service with the power cord provided (DO NOT use an extension cord). A gr

22Installing the water heaterFor increased energy efficiency, some water heaters have been supplied with two 24” sections of pipe insulation. Install

23For increased energy efficiency, some water heaters have been supplied with factory installed 3/4” NPT heat traps in the hot outlet line and cold wa

24Installing the water heaterDuring Installation of this water heater...DO❑ DO check inlet gas pressure to ensure that it is within the range

25G. Condensate Line ❑ Sloped toward drain. ❑ Condensate drain line hoses clamped. ❑ Condensate drain protected from freezing (if necessary). ❑

26Supplemental instructions for gas water heaters installed in potable water/space heating applicationsLocal codes or plumbing authority requirements

27Lighting the water heater Before operating this water heater, be sure to read and follow the instructions on the label pictured below and all other

28Safety Precautions Do turn off manual gas shut-off valve if water heater has been subjected to over heating, fire, flood, physical damage or if th

29Water Temperature SettingMaximum water temperatures occur just after the burner has shut off. To determine the water temperature, turn on a hot wate

3Be 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 mon

30Sequence of OperationDuring initial start-up or a call for heat, the control will verify the pressure switch is open.Once the control verifies the b

31Care and cleaning of the water heaterDraining the Water Heater!CAUTION: Shut off gas to the water heater gas control (thermostat) at the manual shut

32HousekeepingTo ensure sufficient ventilation and combustion air supply, proper clearances must be maintained. DO NOT obstruct or block the Flammable

33Before You Call For ServiceProblem Possible Causes What To DoCondensation This usually happens when  This is normal. After the water in the

34Problem Possible Causes What To DoRumbling noise Scale and sediment  Drain the water heater to remove scale and sediment from the tank.

35Gas Control LED Error CodesLED Status Problem Solution● ○ ○ ● ○ ○VAC ▲ A B CAn open earth ground circuit to the ignition system.1. Check t

36Replacement PartsFor 38 and 48 gallon models using natural or LP gas.Instructions For Placing a Parts OrderAll parts orders should include: The mo

37Alternate Vent TerminationINSTALLATION INSTRUCTIONSfor Alternate Concentric Terminal: Use only Rheem 3" vent kit part number SP20245.IMPORTANT

38Alternate Concentric Terminal Installation: ContinuedWARNING: Do not operate the water heater with the rain cap and elbow removed or recirculation

39Notes:

4NOTICE: Mixing valves are available for reducing point of use water temperature by mixing hot and cold water in branch water lines. Contact a license

40IF YOU NEED SERVICE1. Should you have any questions about your new water heater, or if it requires adjustment, repair, or routine maintenance, it is

5LP 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. I

6IMPORTANT SAFETY INFORMATIONREAD ALL INSTRUCTIONS BEFORE USING!WARNING!For your safety, the information in this manual must be followed to minimize t

7Installing the water heaterThis water heater must be installed in accordance with these instructions, local codes, utility company requirements, and/

8Installing the water heaterCorrosive AtmospheresThe air in beauty shops, dry cleaning establishments, photo processing labs, and storage areas for l

9Refer to the illustration below for suggested typical installation. The installation of unions or flexible copper connectors is recommended on the ho