Rheem PH-25RDVS manuale d’uso

Direct V ent Wa ter Heater AP14558 (01/08) ! FOR YOUR SAFETY! — Do not store or use gasoline or other flamm able vapors or liquids or other com bus tib le ma ter ial s in the vicinity of this or any other appliance. T o do so may result in an explosion or fire. — WHA T TO DO IF YOU SMELL GAS ●  Do not try to light any appliance.  ●[...]

Safety Information Safety Precautions ....... 3–6 LP Gas Models ........... 5 Installation Instructions Location .................. 7 Inspect Shipment ........... 8 V enting ............... 9-14 W ater Connections .... 15, 16 Relief V alve .............. 17 Gas Supply .............. 18 High Altitude ............. 18 Remote Control ....... 19, 20 [...]

Be 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 money . Pay particular attention to the Safety Instructions. Failure to follow these warnings could result in serious bodily injury or death. Should you have problems understanding the instructions in th[...]

Time/T emperature Relationship in Scalds W ater T emperature Time 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 Both 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 a[...]

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 property damage, personal injury or loss of life. FOR INST ALLA TIONS IN THE ST A TE OF CALIFORNIA Cali[...]

1” (2.5 cm) min 1” (2.5 cm) min 1” (2.5 cm) min Coaxial V ent Pipe & Air Intake ! W ARNING: Follow vent manufacturer’ s instruction while installing vent. If requir ed, provide additional clearances from vent to combustibles per vent manufacturer’ s instruction. 7 Installing the water heater : This water heater must be installed in ac[...]

Installing the water heater: Corr osive Atmospheres The air in beauty shops, dry cleaning establishments, photo processing labs, and storage areas for liquid and powdered bleaches or swimming pool chemicals often contains such halogenated hydrocarbons. An air supply containing halogenated hydrocarbons may be safe to breathe, but when it passes thro[...]

The water heater must be installed with a 3”/5” diameter UL approved Category III Coaxial Stainless Steel appliance coaxial vent pipe and an appropriate adapter . V enting The installation of venting must comply with national codes, local codes and the vent manufacturer ’ s instructions. The water heater must be vented to the outdoors as desc[...]

Installing the water heater: V enting Thr ough Closed Spaces If the coaxial vent piping passes through a closed space, a minimum clearance of 1” (2.5 cm) when installed horizontally or 6” (15 cm) when installed vertically should be maintained between the coaxial vent pipe and combustibles and noncombustibles. Be sure to follow local codes and v[...]

D V V E F IX ED CL OS ED O P ERA BL E O PE R A BL E FIXE D CL OS ED v v B L F C B v v v X B B B A J B I H X v M K v G A The following information should be used for determining the proper location of the vent terminal for direct vent tankless water heaters. V VENT TERMINAL X AIR SUPPL Y INLET AREA WHERE TERMINAL IS NO T PERMITTED Horizontal V ent T[...]

Installing the water heater: 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. T o help prevent water lines from freezing, do not locate vent terminal on the side of a b[...]

Example A: T ypical Horizontal T ermination w/ 7/8” per foot DOWNW ARD Slope 13 Installing the water heater: 94° Elbow Out e r W a l l Inn er W a ll Pl at e W a te r Hea ter Out side W a ll Sid e V i ew Cau lk f or wea ther se a l Inn er W a ll Out er W al l Pl ate V en t Pip e Mou ntin g Bra cket s Appliance V ent Adapter Side V iew W ARNING: U[...]

Installing the water heater: V ertical V ent Installation A fire stop plate should be installed at every penetration of a floor or ceiling if the vent is not running in a fire-rated shaft. Maintain the recommended air space clearance to combustible materials and building insulation. Once the vent terminal location has been determined, make a hole t[...]

15 W ater Supply Connections IMPOR T ANT : Do not apply heat to the HOT or COLD water connections. If sweat connections are used, sweat tubing to adapter before fitting adapter to the water connections on heater . Any heat applied to the water supply fittings will permanently damage the internal components of the water heater . Mounting the W ater [...]

Installing the water heater: W ater Supply Connections, continued Notice: If the water flow resistance of a shower head is too high, the burner in the water heater will fail to ignite. Keep the shower head clean from debris that could cause additional pressure drop. Notice: If using mixing valves on the outlet, choose one that prevents cold water p[...]

Relief V alve A new pr essu r e r el ief val ve , co mpl yi ng with the Standard for Relief V alves and Automatic Gas Shut-Off Devices for Hot W ater Supply Systems, ANSI Z21.22/ CSA 4.4, must be installed at the hot water outlet connection of the water heater at the time of installation. Local codes shall govern the installation of relief valves. [...]

This water heater is certified for installations up to 3,280 feet (1000 m) above sea level. The input rating of this water heater is based on sea level operation. At higher elevations, the actual input rate may be lower than the value listed on the rating label. NOTICE: For installations above 3,280 feet (1,000 m) elevation, contact a quaili - fied[...]

Remote Control Installation One (1) remo te con tro l is prov ided with th e water heater . Additional remote controls may be purchased separately . Up to three (3) remote controls can be used with this water heater . The follo wing are con side rat ions for det ermi nin g the loc ati on of the remot e control(s): ● DO NOT install any remote cont[...]

20 Installing the Main Remote Control: W ARNING: Field wiring connections and electrical grounding must comply with local codes, or in the absence of local codes, with the latest edition of the National Electrical Code, ANSI/NFP A 70, or in Canada, Canadian Electrical Code, CSA C22.1 Part 1. NOTICE: Extension cable can be any T ype-T 18 A WG wire s[...]

Electrical Connection POWER CORD: ● The electric power supply requirement for this water heater is 120 V AC/60HZ, 2 Amps. ● The water heater comes with a three (3) pin power supply cord. Use only a power outlet with a ground terminal. ● The installation of an GFCI (Ground Fault Circuit Interrupter) is recommended. ● Keep any excess of the p[...]

22 Installing the water heater: T ypical Installation of W ater Heater (V enting Required) W all Plate Outside W all Outside W all With Protective V ent T ermination Screen 94° Elbow V ent Adapter Power Supply Cord 7/8” Per Foot Downward Pitch Discharge Line (T o Suitable Drain) T o Hot W ater Faucet(s) Relief V a lve Union Drain V alve Cold W a[...]

23 For increased energy efficiency , use pipe insulation. Please install the insulation according to the diagram above, making sure to insulate all the way to the top. Do not cover any drain or pressure relief valve(s). Do’ s ❑ Do follow all installation instructions covered in this manual. ❑ Do check inlet gas pressure to ensure that it is w[...]

Installing the water heater: A. Indoor W ater Heater Location ❑  Close to area of vent termination.  ❑  Indoors and protected from freezing temperatures.  ❑ Proper clearance from combustible surfaces observed.  ❑  Sufficient fresh air supply for proper operation of water heater .  ❑  Air s upp ly fre[...]

25 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 , resulting in property damage, personal injury or d[...]

T ime/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°[...]

27 W ater T emperature Setting… Maximum water temperature occurs while the burner is on. T o determine the water temperature, turn on a hot water faucet and place a thermometer in the water stream. W ater temperature at the faucet may vary depending on season and length of pipe from the water heater . The factory setting of the remote control tem[...]

Car e and cleaning of the water heater: Housekeeping Before performing Housekeeping tasks to this water heater , turn the unit off and disconnect the power supply . V acuum around the water heater for dust, dirt and lint on a regular basis. Clean the water heater and remote control by using a damp soft cloth with a few drops of mild detergent and g[...]

! CAUTION: Do not operate without the condensate trap connected to the vent and routed to the proper drain. 29 Condensate T rap Inspection On a regular basis, inspect the condensate trap to ensure there is enough water in the trap and the condensate is draining properly . Ensure that condensate is disposed of per local codes and regulations. V enti[...]

Draining the W ater Heater Below are instructions for draining water out of the water heater . Turn off the switch on the remote control. Close the gas shut-off valve(s). Unplug the power supply cord (or disconnect breaker) at least 10 seconds after step #1. Open all hot water faucets. Before proceeding to the next step, make sure that COLD water i[...]

31 Befor e Y ou Call For Service… T roubleshooting Tips Save time and money! Review the charts on the following pages first and you may not need to call for service. CAUTION: For your safety , DO NOT attempt repair of electrical wiring, gas piping, remote control, burners, vent connectors or other safety devices. Refer repairs to qualified servic[...]

Hot W ater Outlet Err or Code Guide: When an error code is displayed: ● Close the hot water faucet, turn off the switch on the remote control. ● W ait for about 5 minutes before turning the switch on again. ● Open the hot water faucet. If the error code remains in the display: ● Close the hot water faucet and turn off the switch on the remo[...]

33 Replacement Parts: Direct V ent W ater Heater Instructions For Placing a Parts Order Address parts orders to the distributor or store where the water 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 plate. Part[...]

Required adjustment for up to 140°F (60°C) water temperature settings ! W ARNING: Refer to scald potential warnings on page 4 before making adjustment. Changing this setting is done at your own risk. DO NOT execute the following adjustment if the setting of up to 140°F (60°C) is not requir ed. Follow the instructions below if it is determined t[...]

35 The content on this page is intended for use by qualified installation/service personnel ONL Y . W ARNING: Improper adjustment, altera- tion, service or maintenance can cause pr op- erty damage, personal injury , or death. Minimum T emperature Adjustment by the Main Remote Control (UMC-1 17, USC1-1 17 and USC2-1 17) Required adjustment for 85°F[...]

36 IF YOU NEED SER VICE 1. Should you have any questions about your new water heater , or if it requires adjustment, repair , or ro ut ine ma in te nan ce , it is su gg es te d th at yo u f ir st co nt act yo ur in st all er , pl um bi ng c on tr act or or previously agreed upon service agency . In the event the firm has moved, or is unavailable, r[...]