Ruud AP13370-2 manual

AP13370-2 (08/06) FOR YOUR SAFETY! — Do not store or use gasoline or other flammable vapors or liquids or other combustible materials in the vicinity of this 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 not[...]

Safety Information Safety Precautions . . . . . . . 3–6 LP Gas Models . . . . . . . . . . . 5 Installation Instructions Location . . . . . . . . . . . . . . . . . 7 V enting . . . . . . . . . . . . . . . 9-12 W ater Supply Connections . . 1 3 Gas Supply . . . . . . . . . . . . . . 14 Pipe Insulation . . . . . . . . . . . 16 Heat T raps . . . . . [...]

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 (49°C) More than 5 minutes 125°F (52°C) 1 1 / 2 to 2 minutes 130°F (54°C) About 30 seconds 135°F (57°C) About 10 seconds 140°F (60°C) Less than 5 seconds 145°F (63°C) Less than 3 seconds 150°F (66°C) About 1 1 / 2 seconds 155°F (68°C[...]

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. NOTICE: If the water heater is installed in an unconfined space within a building of conventional frame, ma[...]

9 The water heater must be installed with the factory supplied blower assembly . V enting 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 separately from all other appliances. Note: This unit can be vented using only the followi[...]

10 Installing the W ater Heater: Blower Assembly Installation Connect blower assembly with Molex connector . Attach Blower Assembly to top pan using the five screws (see diagram to the left). Install rubber coupling (supplied in the box with water heater) on blower housing and secure it. Horizontal V ent T erminal Location The location of the vent [...]

Minimum and Maximum V ent Length CAUTION: Before proceeding, make sure you understand the procedure and cautions covered in the sections “Joining Pipes and Fittings” and “Cementing Joints” . Joining Pipes and Fittings All pipe, fittings, solvent cement, primers and procedures must conform to American National Standard Institute and American[...]

Installing the water heater . 12 Horizontal V ent Installation Once the vent terminal location has been determined, make a hole through the exterior wall to accommodate the 3” or 4” vent pipe. V ent pipe must exit exterior wall only . Insert a small length of 3” or 4” vent pipe through the wall and connect the coupling as shown. Place the ?[...]

A new combination temperature and pr essure 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 remain in the opening pr ovided and marked for the purpose on the water heater . No valve of any type should be installed between the relief va[...]

Installing the water heater . 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[...]

W iring 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 means, must be connected to the black and white [...]

16 For increased energy ef ficiency , some water heaters have been supplied with two 24” (61cm) sections of pipe insulation. Please install the insulation, according to the illustrations above, that best meets your requirements. R E L I E F V A L V E COLD HOT T ypical vertical piping arrangement R E L I E F V A L V E COLD HOT T ypical horizontal [...]

17 T ypical Installation Heat Tr ap 6" (15cm) Min. Heat Tr ap 6" (15cm) Min . Flu e Pipe (ABS or PV S) to Outside Ven t T er minal Rubber Coupling Blo wer Assembly Anode (loc ate d undernea t h Blo wer Assembly) Uni on Uni on To C o ld W ater Supply Therma l Expansion Ta n k (If R equired) Shu t-off V alv e Air Gap 6" (15cm) Hot W a [...]

18 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 termination. ❑ 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 pr[...]

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[...]

20 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[...]

DANGER: Hotter water increases the Potential for Hot W ater SCALDS . Households with small children, disabled, or elderly persons may requir e a 120°F (49°C) or lower gas contr ol (thermostat) setting to prevent contact with HOT water . ! W ater T emperatur e Setting The temperature of the water in the water heater can be regulated by setting the[...]

22 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 arrow mark near CAUTION on the rim of the temperature dial, represents an approximate water temperat[...]

Car e and cleaning of the water heater . 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 water r eleased by the [...]

24 V enting System Inspection It is recommended that the water heater ’ s internal flue be inspected annually to be certain it is clean by removing the Blower Assembly . When reinstalling the flue baffle make certain it is hung securely by its hanger at the top of the flue way . Reinstall the Blower Assembly as per instructions on page 10. Make s[...]

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 norma[...]

26 Befor e Y ou Call For Service… Problem Possible Causes What T o Do Not enough or W ater usage may have  W ait for the water heater to recover after an no hot water exceeded the capacity abnormal demand. of the water heater . Low gas pressure.  Check gas supply pressure and manifold pressure. The pilot burner will not light.  Check the[...]

Replacement Parts. For 75 gallon models using natural or LP gas. Instructions For Placing a Parts Order Address parts orders to the distributor or store where the heater was purchased. 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 p[...]

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[...]