Rheem XP50T06PV42U0- User Manual

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 O...

7 Combustion Air Inlet Openings 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 c...

8 Installing the water heater 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. DO NOT block or obstruct any of the combustion air inlet openi...

10 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 wa...

12 Installing the water heater The water heater must be installed with the factory supplied blower assembly in place. Venting The water heater must be vented to the outdoors as described in these instructions. DO NOT connect this water heater to an existing vent or chimney - it must be vented separa...

14 NOTICE: This unit can be vented using only the following recommended pipe material. Use only 2- or 3-inch diameter pipe. PVC (Schedule 40, ASTM D1785)CPVC (Schedule 40, ASTM F441)ABS (Schedule 40, ASTM D2661)ABS (Schedule 40 DWV, Cellular Core, ASTM F628) The fittings, other than the TERMINATION,...

15 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 cond...

16 Maximum and Minimum Vent Lengths for Residential 40 & 50 Gallon Power Vents NOTICE: The mixing of 2" and 3" vent pipe is not recommended. If 3" pipe is used, a 2" to 3" reducer fitting is recommended at the rubber coupling. This water heater is supplied with a two-inch Sch...

17 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 Vent Pipe Mesh Vent Restrictor Vent Terminal Install the vent restrictor only at the...

18 Additional Considerations DO NOT install vent terminal under any patio or deck. To help prevent moisture from freezing on walls and under eaves, do not locate vent terminal on the side of a build ing with prevailing winter winds. When terminating the vent pipe through brick or masonry surfaces, a...

20 All joints in the vent piping must be properly sealed and the following materials are recommended:PVC materials should use ASTM D2564 grade cement.CPVC materials should use ASTM F493 grade cement.ABS materials should use ASTM D2235 grade cement. Cleaner-Primer and Medium Body Solvent Cement: Cut ...

21 Diagram Without Optional Electronic Display 1 H H N N PRESSURE SWITCH TEMPERATURE SWITCH SPARK P1 P3 P2 E1 GND PILOT ELECTRODE ASSY PS TS TS1 TS2 FV MOT 12345 123 1 12 SCHEMATIC CONNECTION DIAGRAM W V 4460E C ONTR OL N H G 120 VAC INDUCER 3 x 2 CONNECTOR BL RY W BK G 54321 < > BK = BLACK BL...

22 Diagram With Optional Electronic Display CAUTION! Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. VERIFY PROPER OPERATION AFTER SERVICING! Installing the water heater

23 For increased energy efficiency, some water heaters have been supplied with two 24” sections of pipe insulation. Please install the insulation, according to the illustrations above, that best meets your requirements. Hot and Cold Pipe Insulation Installation Insulation Blankets Insulation blanket...

24 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. Components s...

25 10. The 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. Remove tape backing and car...

26 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). User Mode is entered after all required data is received from the appliance when powered-up. The display shows temperature setpoint, estimate...

28 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. Tank is full of hot water Two thirds of the tank volume available One third of the tank volume available No hot water available Est. ...

29 Installing the water heater continued DO ❑ DO check inlet gas pressure to ensure that it is within the range specified on the rating plate. ❑ DO provide adequate air for combustion and ventilation as discussed in the Use and Care Manual and the National Fuel Gas Code. ❑ DO maintain proper clearan...

30 Installation Checklist A. Water Heater Location B. Water Supply C. Gas Supply D. Relief Valve E. Venting ❑ 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. ❑ Sufficien...

31 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 var...

32 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 resul...

33 Safety Precautions DO turn off manual gas shut-off valve if water heater has been subjected to over heating, fire, flood, physical 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 heater if cold water supply...

34 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....

35 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 w...

36 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 ...

39 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 co...

40 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 a combustion shut off device that shuts the operation of the water heater down if undesirable combustion con...

41 Gas Valve LED Codes CAUTION: Make certain power to water heater is “OFF” before removing protective cover FOR ANY REASON.CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. VERIFY PROPER OPERATION AFTER SERVICING. CAUT...

42 Replacement Parts For 40 and 50 gallon models using natural or 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 LP) as marked on the rating plate. Part description...

44 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...