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Ruud AP14236 - page 1
VA CATION VE RY HOT WA RM A B C COOLER HOTTER VA CATION VE RY HOT WA RM A B C COOLER HOTTER AP14236 (05/07) ! FOR YOUR SAFETY! — Do not store or use gasoline or other flamm able vapors or liquids or other com bu st ib le ma te ria ls in the vicinity of this or any other appliance. T o do so may result in an explosion or fir e. — WHA T TO DO IF ...
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Ruud AP14236 - page 2
Care and Cleaning Draining ................ 27 Maintenance ............. 27 V ent System Inspection .... 28 Burner Inspection ........ 28 Extended Shut-Down ...... 29 Safety Information Safety Precautions ....... 3–6 LP Gas Models ........... 5 Installation Instructions Location ................. 7 W ater Supply Connections . . 9 Gas Supply ..... ...
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Ruud AP14236 - page 3
Be sur e to read and understand the entire Use and Care Manual before attempting to install or operate this water hea te r . It may sa ve yo u tim e and mone y . Pay par ti cul ar at ten tion to the Saf et y Ins tru ct ion s. Fail ur e to foll ow th es e warnings could result in serious bodily injury or death. Should you have problems understanding ...
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Ruud AP14236 - page 4
Time/T emperature Relationship in Scalds W ater T em peratu re 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 ...
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Ruud AP14236 - page 5
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 odorant to diminish in intensity , can also h ...
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Ruud AP14236 - page 6
6 IMPOR T ANT SAFETY INFORMA TION. R E A D A L L I N S T R U C T I O N S B E F O R E U S I N G . ! W ARNING! For your safety , the information in this manual must be followed to minimize the risk of fire or explosion, electric shock, or to prevent pr operty damage, personal injury , or loss of life. FOR INST ALLA TIONS IN THE ST A TE OF CALIFORNIA ...
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Ruud AP14236 - page 7
Combustion Air Inlet Openings 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 Standard/National Fuel Gas Code. A copy can be purchased fr om either the American Ga ...
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Ruud AP14236 - page 8
8 Installing the water heater . Combustion and V entilation Air V entilation (ambient) air temperature must be 100°F or less. 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. DO NOT block or obstruct any of the combusti ...
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Ruud AP14236 - page 9
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 ...
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Ruud AP14236 - page 10
10 Installing the water heater . A new combinati on tempera tur e and pre ssur e r elief valve, complyi ng with the Standard for Relief V alves and Automatic Gas Shut-Off Devices for Hot W ater Supply Systems, ANSI Z21.22, is supplied and must r emain in the opening provided and marked for the purpose on the water heater . No valve of any type shou ...
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Ruud AP14236 - page 11
W ARNING: 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 r esult 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. Turn on ...
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Ruud AP14236 - page 12
12 Installing the water heater . The water heater must be installed with the factory supplied blower assembly in place. 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. NOTICE: This un ...
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Ruud AP14236 - page 13
13 Maximum and Minimum V ent Lengths for Residential 40 & 50 Gallon Power V ents ONL Y 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 Schedule 40 PVC 45° vent terminal. When ...
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Ruud AP14236 - page 14
14 Installing the water heater . Number of 90° elbows with V ent Number of 45° Elbows Maximum V ent Pipe Length in Feet (ft) 0’ - 2,000’ Maximum V ent Pipe Length in Feet (ft) 2,001’ and above. See Maximum Altitude chart on left. One (1) None 45 35 One (1) One (1) 42.5 32.5 T wo (2) None 40 30 T wo (2) One (1) 37.5 27.5 Three (3) None 35 25 ...
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Ruud AP14236 - page 15
15 Additional Considerations Do Not install vent terminal under any patio or deck. T o 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 rust-resistant sheet metal backing plate behind ...
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Ruud AP14236 - page 16
16 NOTICE: All pipe, fittings, solvent cement, primers and procedur es must conform to American National Standards Institute and American Society for T esting and Materials (ANSI/ASTM) standards. V ertical V ent Installation Once the vent terminal location has been determined, make a hole through the roof and interior ceiling to accommodate the ven ...
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Ruud AP14236 - page 17
17 Installing the water heater . 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 pipe end square, ...
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Ruud AP14236 - page 18
18 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 whi ...
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Ruud AP14236 - page 19
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. T ypical vertical piping arrangement T ypical horizontal piping arrangement Hot and Cold Pipe Insulation Installation 19 Insulatio ...
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Ruud AP14236 - page 20
DO ❑ DO check inlet gas pressure to ensure that it is within the range specified on the rating plate. ❑ DO pr ov id e ade qu at e air for co mb us ti on and ventilation as discussed in the Use and Care Manual and the National Fuel Gas Code. ❑ DO maintain proper clearances to combu stible s as speci fied on the ratin g plate. ❑ DO allow enou ...
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Ruud AP14236 - page 21
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 operation ...
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Ruud AP14236 - page 22
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 water/space heating applications. Local codes or plumbing authority requir ements may vary from the instructions or diagrams provided in thi ...
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Ruud AP14236 - page 23
T ypical Piping Diagram f or Combination P otable/Space Heating Installation Spring loaded check valve in heating unit hot water supply line and cold water return line (not supp li ed wi th wa ter h ea te r) NO TE: This check valve is incorporated in some heating units. Refer to the installation instructions suppl ied with specif ic heating unit to ...
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Ruud AP14236 - page 24
Safety Precautions Do turn off manual gas shut-of f 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 shut-off valve is closed. Do Not all ow co mbu sti ...
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Ruud AP14236 - page 25
25 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. T o avoid any unintentional changes in water temperature settings, the gas control (thermostat) has a tamper ...
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Ruud AP14236 - page 26
26 Sequence of Operation… During initial start-up or a call for heat, the control will verify the vacuum switch is open. 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). The control will verify the blower vacuum switch has closed, ensuring ...
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Ruud AP14236 - page 27
27 Car e and cleaning of the water heater . Draining the W ater Heater ! CAUTION: Shut off gas to the water heater at the gas control (thermostat) gas cock or manual shut-off valve befor e draining water . ! DA NG ER : Be fo r e manu al ly op er at in g the temperature and pressur e relief valve, make certain no one will be exposed to the hot water ...
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Ruud AP14236 - page 28
28 Housekeeping V isually inspect the hot surface ignitor . T o ensure sufficient ventilation and combustion air supply , proper clearances must be maintained. When installed in a closet, DO NOT block or obstruct any of the combustion air inlet openings located around the perimeter of the water heater . A minimum of 1” is requir ed between these ...
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Ruud AP14236 - page 29
29 V acation and Extended Shut-Down If the water heat er is to rema in idle fo r an extended period of time, the power and water to the appliance should be turned off to conserve energy and prevent a build-up of dangerous hydrogen gas. The water heater and piping should be drained if they might be subjected to freezing temperatures. After a long sh ...
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Ruud AP14236 - page 30
30 Befor e Y ou Call For Service… T roubleshooting T ips 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 undesira ble combus tion condi tions occur , such as the presence of ...
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Ruud AP14236 - page 31
31 Problem Possible Causes What T o Do Rumbling noise Scale and sediment Drain the water heater to remove scale and sediment from the tank. Refer to the top of page 26. 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 d ...
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Ruud AP14236 - page 32
Gas V alve LED Codes 32 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 OPERA TION AFTER SERVICING. CAUTION: For your safety DO NOT attempt repair ...
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Ruud AP14236 - page 33
33 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 (as noted below) and number of parts desired. Re ...
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Ruud AP14236 - page 34
34 Notes: ...
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Ruud AP14236 - page 35
35 Notes: ...
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Ruud AP14236 - page 36
36 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 directo ...
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