Rheem PVR50-80 (NAT) manuale d’uso

AP12668-5 (01/05) FOR YOUR SAFETY! — Do not store or use gasoline or other flammable vapors or liquids or other combustible materials in the vic init y of t his or any other appliance. T o do so may result in an explosion or fir e. — WHA T T O DO IF YOU SMELL GAS ● Do not try to light any appliance. ● Do not touch any electrical switch; do [...]

Safety Information Safety Precautions . . . . . . . 3–6 LP Gas Models . . . . . . . . . . . 5 Installation Instructions Location . . . . . . . . . . . . . . . . . 7 W ater Supply Connections . . 9 Gas Supply . . . . . . . . . . . . . . 11 Pipe Insulation . . . . . . . . . . . 13 Heat T raps . . . . . . . . . . . . . . . 13 Installation Checklist [...]

Be sure to r ead and understand the entire Use and Car e 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 r esult in serious bodily injury or death. Should you have problems understanding the instructions in[...]

Time/T emperatur e Relationship in Scalds W ater T emperature T ime T o Produce a Serious Burn 120°F More than 5 minutes 125°F 1 1 / 2 to 2 minutes 130°F About 30 seconds 135°F About 10 seconds 140°F Less than 5 seconds 145°F Less than 3 seconds 150°F About 1 1 / 2 seconds 155°F About 1 second T able courtesy of Shriners Burn Institute The [...]

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 r ecognize this odorant. If you are unsur e 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[...]

6 Have the installer show you the location of the gas shut-off valve and how to shut it of f if necessary . T urn of f the manual shut-off valve if the water heater has been subjected to overheating, fire, flood, physical damage or if the gas supply fails to shut off. ● Read this manual entirely before installing or operating the water heater . ?[...]

Installing the water heater . This water heater must be installed in accordance with these instructions, local codes, utility company requir ements, and/or in the absence of local codes, use the latest edition of the American National S tandard/National Fuel Gas Code. A copy can be purchased fr om either the American Gas Association, 400 N. Capitol[...]

8 Installing the water heater . Combustion and V entilation Air Proper operation of the water heater requir es air for combustion and ventilation. Provisions for combustion and ventilation air must comply with refer enced codes and standards. When installed in a closet, DO NOT block or obstruct any of the combustion air inlet openings located aroun[...]

9 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 caus[...]

10 Installing the water heater . A new combination temperatur e and pressure r elief valve, complying with the S tandard for Relief V alves and Automatic Gas Shut-Off Devices for Hot W ater Supply Systems, ANSI Z21.22, is supplied and must re main in the opening provided and marked for the purpose on the water heater . No valve of any type should b[...]

11 W ARNING: Do not attempt to convert this water heater for use with a differ ent type of gas other than the type shown on the rating plate. Such conversion could result in hazardous operating conditions. Leak T esting The water heater and its gas connections must be leak tested at normal operating pressures before it is placed in operation. T urn[...]

12 Installing the water heater . The water heater must be installed with the factory supplied draft hood in place. Ve n t i n g Insulation Blankets V ent connectors must be attached to the draft hood outlet to connect the water heater to the gas vent or chimney . The vent connectors must be the same size (diameter) as the draft hood or larger , nev[...]

13 For increased energy ef ficiency , 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. DO ❑ DO check inlet gas pressure to ensure that it is within the range specified on the rating plate. ❑ DO provide adequat[...]

14 Installation Checklist A. W ater Heater Location B. W ater Supply C. Gas Supply D. Relief V alve E. V enting ❑ 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 operati[...]

T ee 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/space heating applications. Local codes or plumbing authority r equirements may vary fr om the instructions or diagrams pr ovided in this ma[...]

16 Lighting the water heater . Before operating this water heater , be sure to r ead 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 pr operty damage, personal injury , o[...]

17 T ime/T emperatur e Relationship in Scalds W ater T emperature T ime T o Produce a Serious Burn 120°F More than 5 minutes 125°F 1 1 / 2 to 2 minutes 130°F About 30 seconds 135°F About 10 seconds 140°F Less than 5 seconds 145°F Less than 3 seconds 150°F About 1 1 / 2 seconds 155°F About 1 second T able courtesy of Shriners Burn Institute [...]

18 Operating the water heater . W ater T emperature Setting… Maximum water temperatures occur just after the burner has shut off. T o determine the water temperature, turn on a hot water faucet and place a thermometer in the water stream. The wide reference mark near W ARM on the rim of the temperature dial, represents an approximate water temper[...]

19 Car e and cleaning of the water h eater . Draining the W ater Heater CAUTION: Shut off gas to the water heater at the gas contr ol (thermostat) gas cock or manual shut-off valve befor e draining water . DANGER: Before manually operating the temperature and pr essure relief valve, make certain no one will be exposed to the hot wa ter released by [...]

20 V enting System Inspection The water heater ’ s internal flue must be inspected annually to be certain it is clean by removing the draft hood and flue baffle. When reinstalling the flue baffle make certain it is hung securely by its hanger at the top of the flue way . Reinstall the draft hood. Inspect the gas venting system and the chimney . M[...]

21 Problem Possible Causes What T o Do Condensation This usually happens when  This is normal. After the water in the tank warms a new water heater is up, the condensation will disappear . If, however, the filled for the first time. condition persists, examine the piping and fittings for possible leaks. Moisture from the products  This is nor[...]

Problem Possible Causes What T o Do Rumbling noise Scale and sediment  Clean tank. in tank. Relief valve Pressure build up  This is an unacceptable condition and must be producing popping caused by thermal corrected. Contact the water supplier or plumbing noise or draining expansion to a contractor on how to correct this. Do not plug the clos[...]

23 Replacement Parts. For 30, 38, 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 (as noted below) and number of parts des[...]

IF YOU NEED SER VICE 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[...]