WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result, causing death, personal injury, or property damage. For Your Safety! •D o not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. To do so may result in an explosion or fire. • Installation and service must be performed by a qualified installer, service agency, or the gas supplier.
CONTENTS Safety Important Safety Information Safety Precautions ������������������������������������������������������������� 2–8 Product Information Product Information��������������������������������������������������������������� 8 Specifications...................................................................
IMPORTANT SAFETY INFORMATION Water Heater Venting Safety ! DANGER DANGER: Safety •F ailure to install and properly vent the water heater to the outdoors as outlined in the “Venting” section of the Installation Instructions in this manual will result in death from fire, explosion, or asphyxiation from carbon monoxide. NEVER operate this water heater unless it is properly vented and has an adequate air supply for proper operation.
IMPORTANT SAFETY INFORMATION Water Supply Safety ! DANGERS: ! CAUTIONS: Safety • WATER TEMPERATURE • This water heater must only be ! SETTINGS – Safety and energy used with the following water conservation are factors to be supply system conditions: considered when selecting the – With clean, potable water water temperature setting of a free of corrosive chemicals, water heater’s remote control. sand, dirt, or other Water temperatures above contaminants.
IMPORTANT SAFETY INFORMATION Natural Gas and Liquefied Petroleum Safety ! ! WARNINGS: • The installation of gas piping must conform to Safety DANGERS: •N ever attempt to convert the water heater from natural gas to LP. The water heater should only use the fuel type in accordance with listing on data plate—natural gas for natural gas units and LP for LP units. Any other fuel usage will result in death or serious personal injury from fire and/ or explosion.
IMPORTANT SAFETY INFORMATION Safety 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 death, personal injury, or property damage. Should you have any problems reading or following the instructions in this manual, STOP and get help from a qualified service technician.
IMPORTANT SAFETY INFORMATION Electrical Safety DANGER: ! WARNINGS: •F or your safety, the information in this manual must be followed to minimize the risk of fire, explosion, or electric shock that can result in death, personal injury, and/or property damage. • 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/ NFPA 70, or in Canada, Canadian Electrical Code, CAN/CSA C22.
IMPORTANT SAFETY INFORMATION General Installation and Maintenance Safety Safety ! WARNINGS: Product Information •T his 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 (NFGC), ANSI Z223.1 and National Fire Protection Association, NFPA 54, or in Canada, CAN/CSA B149.
PRODUCT INFORMATION Specifications – Direct-Vent Models 131/2" (343 mm) 6 3 /4 " 63/4" (172 mm) (172 mm) 131/2" (343 mm) 53/16" (131 mm) 53/16" (131 mm) 29 / " (757 mm) 13 16 25 / " (651 mm) 5 8 13 15/16" (354 mm) 25 / " (651 mm) 5 8 51/2" (140 mm) 13 15/16" (354 mm) 19/16" (40 mm) 19/16" (40 mm) Product Information 29 / " (757 mm) 13 16 13/4" (45 mm) 13/4" (45 mm) 91/2" (241 mm) 91/2" (241 mm) 51/2" (140 mm) 33/8" 33/8" (8655mm) (86 mm) /8" " mm) 43/16(143 43/16" (106 mm) (106 mm) 55/8"
PRODUCT INFORMATION Specifications The following product information can be found from the rating label on this water heater. English Rating Label Product Information A. Model Number B. Serial Number C. Data Bar Code D. Heater Type E. Installation Type F. Type of Gas G. Max. Inlet Gas Pressure H. Min. Inlet Gas Pressure J. Recovery Rating K. Max. BTU Input Rating L. Min. BTU Input Rating M. Manifold Gas Pressure N. Certification Stamp P. Alternate Approval Stamp Q.
PRODUCT INFORMATION General Descriptions Typical Direct-Vent Water Heater (Venting Required) Condensate Collector Product Information Remote Control With Power Switch To Drain: Dispose of condensate in accordance with local codes.
PRODUCT INFORMATION Typical Outdoor Water Heater (No Venting Required) This water heater is for OUTDOOR installation only. ! DANGER: DO NOT install this water heater indoors or in a confined area. It is designed for outdoor installation only. Any other type of installation will result in death or serious personal injury.
USING YOUR WATER HEATER Safety Precautions ! WARNING: •F lammable vapors can be drawn by air currents from surrounding areas to the water heater. Vapors can ignite causing death, personal injury, or product damage. • DO NOT store or use flammable or combustible materials (gasoline, paint thinner, adhesives, newspapers, rags, mops, etc.) in the vicinity of the water heater or any other gas appliance.
USING YOUR WATER HEATER Setting the Water Temperature (cont.) Maximum water temperature occurs while the water heater burner is on. To determine the water temperature: ! NOTICE: Use Instructions Water temperature at the faucet may vary depending on the season and the length of pipe from the water heater. The remote control temperature range is between 100°F (38°C) and 120°F (49°C). To adjust the temperature to a desired setting, press the UP or DOWN adjustment button on the face of the remote control.
CARING FOR YOUR WATER HEATER Water Heater Inspections Venting System (Direct Vent Only) The venting system should be inspected annually by a qualified service technician to ensure all of the vent sections are secure and airtight. ! WARNING: DO NOT operate the water heater if the vent system shows signs of leaking exhaust. Leaking exhaust could lead to death, personal injury, and/or product failure.
CARING FOR YOUR WATER HEATER Water Heater Inspections (cont.) Burner It is recommended that the burner be inspected annually by a qualified service technician. ! Burner Sight Glass DANGER: Shock Hazard – Removing the front cover panel exposes you to live electricity. Electric shock will cause death or serious personal injury. 3 While the water heater is operating, inspect the main burner flames through the burner sight glass. The flames should be blue when the main burner is firing.
CARING FOR YOUR WATER HEATER Care and Cleaning ! DANGER: ! WARNING: Shock Hazard – Make certain power to the water heater is OFF before removing protective cover for any reason. Electric shock will cause death or serious personal injury. Combustible materials, such as clothing, cleaning materials, or flammable liquids, must not be placed against or next to the water heater. Fire or explosion can occur causing death, personal injury, and/or product damage.
CARING FOR YOUR WATER HEATER Care and Cleaning (cont.) ! CAUTION: DO NOT tap or force the filter during removal. This can deform and/or damage the filter. 4 Unscrew the water filter from the base of the cold water inlet line and carefully slide it out of the line. 5 Care Instructions Clean the water filter under running water. To remove severe sediment and dirt, use a soft brush. 18 ! CAUTION: DO NOT overtighten the water filter. Overtightening can deform and/or damage the filter.
CARING FOR YOUR WATER HEATER Preventive Maintenance ! WARNING: Failure to perform routine preventive maintenance can prevent the water heater from operating properly. Improper operation can cause carbon monoxide dangers, excessive water temperatures, and other potentially hazardous conditions resulting in death, personal injury, and/or product damage. NOTICE: If the pressure relief valve on the hot water heater discharges periodically, this may indicate a problem in the water system.
CARING FOR YOUR WATER HEATER Draining the Water Heater ! WARNING: Failure to follow these draining instructions can cause serious personal injury from scalding and/or product damage. Cold Water Supply Shut-Off Valve 5 Close the water shut-off valve. 1 Turn off the water heater by pressing the POWER ON/OFF button on the control panel. 6 Using a suitable container to catch the water, remove the water filter from the base of the cold water inlet line. 2 Close the gas shut-off valve(s).
CARING FOR YOUR WATER HEATER Draining the Water Heater (cont.) ! CAUTION: Even when drained properly, a small amount of water will remain in the water heater. In cold weather conditions, this water can freeze. If this happens, allow the defrost protection on the water heater at least 30 minutes to melt the frozen water. The water heater will not work properly until this water is thawed.
CARING FOR YOUR WATER HEATER Draining the Water Heater (cont.) Preferred Drain Method Isolator valve kits may be purchased from the manufacturer, distributor, or place of purchase. The kits include two full port isolation valves to be used in the inlet and outlet water lines. It is highly recommended to install isolator valve kits because these kits provide a means for full diagnostic testing and ease of system flushing.
CARING FOR YOUR WATER HEATER Vacation and Extended Shutdown WARNING: ! Failure to drain the water heater can cause serious personal injury from scalding and/or product damage. If the water heater is to remain idle for an extended period of time, the power and water to the heater should be turned off. The water heater and piping should be drained if they might be subjected to freezing temperatures. See “Freeze Protection” section on page 22.
CARING FOR YOUR WATER HEATER Troubleshooting Chart (cont.) Problem Water not hot enough. Possible Cause Solution 1. The temperature may be set too low. 1. Increase the temperature setting at 2. The gas valve is not completely opened. 2. Check and completely open the gas valve. 3. Gas supply pressure is low. 3. Contact your gas utility company or gas 4. Bleed-over in one of the hot water 4. Contact a dealer or a qualified service 1. Temperature is set too high. 1.
CARING FOR YOUR WATER HEATER Service Error Code Chart Your water heater has an electronic diagnostic system built into it. When the water heater finds a problem, it displays an error code in the LED display on the remote control. The following chart lists the error codes along with their possible problem and solution. Using this chart may help you diagnose and/or fix a problem you may be experiencing. Please refer to this chart before calling for service assistance.
CARING FOR YOUR WATER HEATER Service Error Code Chart (cont.) Error Code Possible Cause Solution Water heater has buildup of lime deposits. Contact a dealer or qualified service technician. Air intake or vent exhaust opening may be blocked. Remove any blockage. (Air intake requires 12 in. [30 cm] of clearance.) The vent pipes on the vent termination may not be connected properly. Contact a dealer or qualified service technician. The gas shut-off valve is not fully opened.
Instal ation INSTALLATION INSTRUCTIONS FOR THE CONTRACTOR
INSTALLATION INSTRUCTIONS General Standards Compliance This water heater must be installed in accordance with these instructions, local codes, and utility company requirements. 20001, as ANSI standard Z223.1, or National Fire Protection Association, 1 Batterymarch Park, MA 02269 as NFPA 54. In the United States where local codes are not available, use the latest edition of the American National Standard/National Fuel Gas Code.
INSTALLATION INSTRUCTIONS Choosing a Location (cont.) General 0" min. (0 mm) 12" min. (300 mm) Fire Stop Plate (as required) 0" (0 mm) 12" min. (300 mm) 1/2" min. (13 mm) Every vent pipe penetration of a floor or ceiling that is not in a fire-rated shaft requires a fire stop plate. Failure to install and properly vent the water heater to the outdoors as outlined on pages 34 through 45 can result in unsafe operation. 12" min.
INSTALLATION INSTRUCTIONS General Product Inspection Visually inspect the water heater for any possible damage. Check the rating plate on the water heater to make sure the water heater was designed to be used with the supplied type of gas (natural or LP). Verify that all included supplied parts are present as shown.
INSTALLATION INSTRUCTIONS Water Heater Installation (cont.) General NOTICE: The National Fuel Gas Code (NFGC) and CAN/CSA B149.1 mandate a manual gas shut-off valve. See NFGC/B149.1 for complete instructions. Local codes or plumbing authority requirements may vary from the instructions or diagrams provided and take precedence over these instructions.
INSTALLATION INSTRUCTIONS General Water Heater Installation (cont.) Typical Installation of Outdoor Water Heater (No Venting Required) This water heater is for OUTDOOR installation only. WARNING: ! DO NOT install this water heater indoors or in a confined area. It is designed for outdoor installation only. Any other type of installation can result in death, personal injury, and/or damage to the product or property.
INSTALLATION INSTRUCTIONS General Mounting the Water Heater ! CAUTION Reinforcement of the wall is required in case the wall is not strong enough to hold the water heater. Failure to do so could result in personal injury and/ or product damage. The mounting location for the water heater should allow for easy access and operation. 3 Position the upper mounting bracket and partially install the center mounting screw. The clearance between the screw head and the wall should be about 1/8 in. (0.3 cm).
INSTALLATION INSTRUCTIONS Venting for Direct-Vent Water Heater The water heater must be installed with 3-in./5-in. (7.6-cm/12.7-cm) diameter UL-approved Category III Coaxial Stainless Steel appliance vent pipe or water heater manufacturer-approved concentric vent pipe. ! DANGER: ! WARNINGS: Venting Failure to install and properly vent the water heater to the outdoors as outlined in this Venting section will result in death or serious personal injury.
INSTALLATION INSTRUCTIONS In the Commonwealth of Massachusetts a. In the event that the side-wall, horizontally vented, gas-fueled equipment is installed in a crawl space or an attic, the hardwired carbon monoxide detector with alarm and battery backup may be installed on the next adjacent floor level. b.
INSTALLATION INSTRUCTIONS Venting for Direct-Vent Water Heater (cont.) Venting 1/4" Per Foot Downward Slope (recommended) 90˚ Elbow Fire Stop Vent Pipe Inspection Access Panel (Optional) Recommended Vent Lengths Number of 90° Elbows (bends) Maximum Length of Straight Pipe 1 39 ft. (12.0 m) 2 37 ft. 6 in. (11.5 m) 3 36 ft. (11.0 m) 4 34 ft. 6 in. (10.5 m) 5 33 ft. (10.0 m) 6 31 ft. 6 in. (9.
INSTALLATION INSTRUCTIONS Appliance Vent Adapter ! CAUTION: Metal Fab Inc. standard concentric vent pipe can be installed into the water heater collar without an appliance vent adapter. However, other Rheem-approved vent manufacturer's pipe cannot be installed without a UL-approved Category III Stainless Steel appliance concentric vent adapter. NOTICE: To install the appliance vent adapter, please follow the appliance vent adapter manufacturer's instructions.
INSTALLATION INSTRUCTIONS Venting for Direct-Vent Water Heater (cont.
INSTALLATION INSTRUCTIONS Horizontal Vent Terminal Location (cont.) The following chart details the minimal dimensional information needed to determine the proper location of the vent terminal for direct vent and outdoor tankless water heaters. See corresponding letter reference in the illustration on page 38. Location U.S. Installation Requirements1 B = Clearance to window or door that may be opened. 12 in. (30 cm) Venting A = Clearance above grade, veranda, porch, deck, or balcony.
INSTALLATION INSTRUCTIONS Venting for Direct-Vent Water Heater (cont.) Horizontal Vent Considerations ! WARNING: Venting Moisture in the flue gas will condense as it leaves the vent terminal. In cold weather this condensate can freeze on the exterior wall, under the eaves, and on surrounding objects. Some discoloration to the exterior of the building is to be expected. However, improper location or installation can result in severe damage to the structure or exterior finish of the building.
INSTALLATION INSTRUCTIONS Horizontal Vent Installation ! WARNING: ! CAUTION: Use UL-approved Category III Stainless Steel vent material only. No other vent material is permitted for use with this appliance. Outer casing can be galvanized aluminum or other material. Fasteners will vary depending on the wall type. Venting Follow the vent manufacturer’s installation instructions since design might vary from manufacturer to manufacturer.
INSTALLATION INSTRUCTIONS Venting for Direct-Vent Water Heater (cont.) Horizontal Vent Installation (cont.) Typical Horizontal Termination with 1/4 In. Per Foot of DOWNWARD Slope Using a thick bead of high temperature silicone, seal the overlapping area of the outer 5-in. (12.7cm) pipe. Venting 1/4" Per Foot Downward Slope 2' max.
INSTALLATION INSTRUCTIONS Vertical Vent Installation ! WARNING: NOTICE: Only Rheem-approved termination and parts should be used during installation. Venting Follow the vent manufacturer’s installation instructions since design might vary from manufacturer to manufacturer. Improper vent installation can result in death, personal injury, product damage, and/or poor performance.
INSTALLATION INSTRUCTIONS Venting for Direct-Vent Water Heater (cont.) Venting Vertical Vent Terminal Location Vent Pipe Through Roof A, B, C, D The following chart with diagrams details the minimum dimensional information needed to determine the proper location of the vertical vent terminal for direct-vent indoor tankless water heaters: Location U.S. Installation Requirements1 A = Minimum clearance above the roof level. 12 in. (30.5 cm) above roof level. 18 in. (45.7 cm) above roof level.
INSTALLATION INSTRUCTIONS Standard Vertical Vent Termination Vertical Termination Adapter Venting Air Intake Storm Collar Adjustable Roof Flashing 3" to 5" Concentric Pipe Support Clamp 1/4" Per Foot Upward Slope Fire Stop Fire Stop Support Hanger CAUTION: The condensate collector must be used with vertical vent installation. Condensate Trap To Drain: Dispose of condensate in accordance to local codes.
INSTALLATION INSTRUCTIONS Water Quality Water quality must be taken into account when installing and maintaining the water heater. Water conditions outside of the levels specified below affect and may damage the water heater. Please note that the limited warranty provided with the water heater does not cover defects, malfunctions or failures resulting from water conditions that are not in accordance with the specifications in the table below.
INSTALLATION INSTRUCTIONS Water Supply Connections (cont.) Recirculation Direct recirculation is allowed, provided the loop is thermostatically controlled, and a timer is used to turn the pump off during off peak periods. The pump must be sized for a minimum of 5 gpm at 25 ft of head plus building head. A 10°F difference between the loop thermostat setting and water heater temperature setting must be maintained. To ensure proper operation of the water heater, follow these water pressure guidelines.
INSTALLATION INSTRUCTIONS Water Supply (cont.) NOTICE: e sure to connect the COLD water inlet and the B HOT water outlet as shown on the water heater. If reversed, the water heater will not function. 4 he pipes MUST be completely drainable. If the T HOT water faucets are located at a point higher than the water heater, place a drain valve at the lowest point. Plumbing Open the drain valve in the COLD water outlet line to check the water flow through the water heater.
INSTALLATION INSTRUCTIONS Relief Valve A new pressure-relief valve, complying with the Standard for Relief Valves and Automatic Gas Shut-Off Devices for Hot Water Supply Systems, ANSI Z21.22/CSA 4.4, must be installed at the HOT water outlet connection of the water heater during installation. Local codes shall govern the installation of any relief valves. NOTICE: • L ocal codes govern the installation of relief valves.
INSTALLATION INSTRUCTIONS Water Supply (cont.) Hot and Cold Pipe Insulation Installation ! WARNINGS: When pipe insulation is not rated for the appropriate weather conditions, install electric heat tracing or equivalent to prevent freezing of the pipes. DO NOT insulate or block drain valve on the hot outlet fitting. If pipes are allowed to freeze, the water heater and the pipes may malfunction or leak due to freezing water.
INSTALLATION INSTRUCTIONS Gas Supply (cont.) Gas Piping Pipe-Sizing Procedure The gas supply system must be properly sized to ensure the proper operation of this tankless water heater as well as all the gas appliances on the system. Failure to ensure the gas system, (meter, regulators, and piping) are properly sized could result in improper operation of this or other gas appliances.
INSTALLATION INSTRUCTIONS Gas Supply (cont.) Final Considerations If this water heater is replacing an existing water heater, it is important to verify the capacity of the gas system. Check the capacity of the meter/regulator, and verify the pipe lengths and sizes. An improperly sized gas system will cause operational issues with this water heater. Other appliances on the gas system may be affected as well. Flexible Gas Connectors may be used however the BTU capacity of the connector must be checked.
INSTALLATION INSTRUCTIONS Gas Supply Installation 1 Install the manual gas appliance shut-off valve to the gas connection at the water heater. The shut-off is supplied with the water heater. 4 Using the proper-size piping, fittings, and components, build the gas supply line to the water heater. NOTICE: The gas supply line should be a minimum of 3/4in. (1.9-cm) black steel pipe or other approved gas piping material.
INSTALLATION INSTRUCTIONS Gas Supply (cont.) Leak Testing ! WARNING: Never use an open flame to test for gas leaks, because death, personal injury, and/or property damage can result. The water heater and its gas connections MUST be leak-tested at normal operating pressures before the unit is placed in operation. These tests should also include all factory connections. Turn on the gas shut-off valve(s) to the water heater. Use a soapy water solution to test for leaks at all the connections and fittings.
INSTALLATION INSTRUCTIONS High-Altitude Installation ! WARNING: DO NOT install this water heater at elevations above 2000 ft. (610 m) without the proper adjustments. Failure to install a water heater suitable for the altitude at the location it is intended to serve can result in improper operation of the appliance resulting in property damage and/or producing carbon monoxide gas, which could result in personal injury or death. NOTICE: For installations above 2000 ft.
INSTALLATION INSTRUCTIONS Electrical Wiring (cont.
INSTALLATION INSTRUCTIONS Remote Control Selection and Location WARNING: 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/NFPA 70, in the U.S., or Canadian Electrical Code, CAN/CSA C22.1, Part 1, in Canada. NOTICE: The provided remote control will allow maximum temperature settings of 120°F (49°C).
INSTALLATION INSTRUCTIONS Electrical Wiring (cont.) Remote Control Installation WARNING: 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/NFPA 70, in the U.S., or Canadian Electrical Code, CAN/CSA C22.1, Part 1, in Canada. NOTICE: Extension cable can be any 18 AWG wire similar to a thermostat wire and need not be polaritysensitive. It is not recommended to have wiring exposed.
INSTALLATION INSTRUCTIONS Remote Control Installation (cont.) Connecting the Remote Control to the Water Heater: 4 Firmly tighten the terminal screws by hand. 1 Ensure that the power to the water heater has been disconnected. Remote Control Connection Cover 2 5 Secure the remote control extension cable on the hook located on the side of the remote control connection base. Loosen the one screw located on the remote control connection cover. The connection cover is made of white plastic.
INSTALLATION INSTRUCTIONS Insulation Blankets In general, insulation blankets for external use on gas water heaters are not necessary. The purpose of an insulation blanket is to reduce the standby heat loss from the water heater’s storage tank. Since these water heaters do not store water, they eliminate the need for the insulation blanket. WARNING: NEVER cover the air inlet, flue outlet, or operating and warning labels attached to the water heater.
INSTALLATION INSTRUCTIONS Installation Checklist A. Water Heater Location C. Water Supply/Relief Valve Indoor water heaters must be installed indoors. Water supply has sufficient pressure. Outdoor water heaters must be installed outdoors. Air has been purged from the water heater and the piping. Close to area of ventilation termination (indoor models). Water connections tight and free from leaks. Protected from freezing temperatures. Proper clearance from combustible material observed.
INSTALLATION INSTRUCTIONS Piping for Space Heaters Local codes or plumbing authority requirements may vary from the instructions or diagrams provided in this manual and take precedence over these instructions. Combination Potable and Space Heating Application DANGERS: When this system requires water for space heating at elevated temperatures (above 125°F [52°C]), a mixing or tempering valve must be installed in the hot water supply line to the house in order to reduce the scald hazard potential.
INSTALLATION INSTRUCTIONS Recirculation Control Local codes or plumbing authority requirements may vary from the instructions or diagrams provided in this manual and take precedence over these instructions. Your tankless water heater has the ability to control an external recirculation pump. Two modes are available, Energy Saver and Performance, which recirculate the water in the plumbing system to provide hot water more quickly when a faucet is opened. Rheem offers a fully packaged recirculation pump kit.
INSTALLATION INSTRUCTIONS Recirculation Control (cont.) Installation Control Board Blue connector BK Add 4 Amp Fuse PUMP 1 W Disconnect all electric power to the water heater. Cut blue connector and splice wires. 5 To connect to the pump, cut the blue connector, splice the wires, and add a 4 amp fuse to the hot wire of the pump. 2 Remove the front cover panel on the water heater. Install the recirculation pump on the return line according to the pump manufacturer installation instructions.
INSTALLATION INSTRUCTIONS Turn On the remote control. The pump and water heater will turn on to raise recirculation loop temperature. Recirculation Operation As set from factory 8 MIN MAX ADJ The factory setting for this switch should all be in the OFF position (DOWN). 9 Change the first switch on “DIP 2” to the ON position (UP). Performance mode is selected. The water heater is turned ON when the recirculation pump starts operation. The water heater produces hot water at the setting temperature.
INSTALLATION INSTRUCTIONS Activating the Water Heater WARNING: Before operating this water heater, be sure to read and follow the instructions on the following label, all labels on the water heater, and the “Important Safety Information” section in this manual. Failure to do so can result in unsafe operating conditions that can result in death, personal injury, property damage, and/or product damage.
INSTALLATION INSTRUCTIONS Operating Instructions Read, understand, and follow the safety information listed on the operating label on page 63 and in the “Important Safety Information” section on pages 2-8 in this manual. 4 1 Turn on all electric power to the water heater. The water heater burner will automatically light when there is a demand for hot water. WARNING: Disconnect all electric power to the water heater. DO NOT attempt to light the burner by hand.
INSTALLATION INSTRUCTIONS The contents on pages 68 through 75 should only be performed by qualified service personnel. Setting the Water Temperature WARNING: Improper adjustment, alteration, service, or maintenance can result in death, personal injury, property damage, and/or product damage. Maximum Temperature Adjustment by the Main Remote Control (UMC–117) DANGER: Water temperatures above 125°F (52°C) will result in death and/or severe burns from scalding.
INSTALLATION INSTRUCTIONS 4 While “140” is blinking, press the UP and DOWN adjustment buttons at the same time. “140” will appear without blinking. 5 Press the UP or DOWN adjustment button to set the desired temperature. 3 Press the DOWN adjustment button repeatedly until 100°F (38°C) or 85°F (29°C) shows in the LED display. Hold the DOWN button until the number on the display starts to blink. 4 While the number is blinking, press the UP and DOWN adjustment buttons at the same time.
INSTALLATION INSTRUCTIONS Setting the Water Temperature (cont.) Minimum Temperature Adjustment by the Main Remote Control (UMC–117, USC1–117, and USC2–117) Residential water heater temperatures can be adjusted down to 85°F (29°C), when required. To change the temperature settings down to 85°F (29°C): 3 Press the DOWN adjustment button repeatedly until 100°F (38°C) shows in the LED display. NOTICE: LED display only shows °F. 1 Turn on the remote control.
INSTALLATION INSTRUCTIONS High-Altitude DIP Switch Adjustments (cont.) 5 If altitude is above 2000 ft. (610 m) and below 5,400 ft. (1650 m), change the third switch on “DIP 2” to the ON position (UP). 2 Remove the front cover panel on the water heater. 6 If altitude is above 5,400 ft. (1650 m) and below 8,500 ft. (2590 m), change the fourth switch to the ON position (UP). NOTICE: Dip Switches 3 DO NOT alter any other DIP switch settings. The manifold pressure will be reduced accordingly.
INSTALLATION INSTRUCTIONS Water Saving Control Water saving control is optional and is inactive as default. To activate this control, appropriate procedures must be followed. Water saving control can reduce waste water at initiation of hot water demand by reducing flow until set temperature is reached of outlet hot water. It is recommended to turn ON this control if the water heater is installed in a drought area or anywhere water conservation is needed.
INSTALLATION INSTRUCTIONS 2 Remove the front cover panel on the water heater. Dip Switches 3 Control Board Find DIP Switch 1 located in the top-right portion at the control board. The switch labeled “DIP 1” is the top switch. 4 Change the third switch on “DIP 1” to the OFF position (DOWN). 5 Start/Adjust Turn on the gas and water to the water heater by opening the shut-off valves.
INSTALLATION INSTRUCTIONS Maintenance Notice Maintenance notice is an optional control and is inactive as default. Maintenance notice reminds users of water heater maintenance activities such as flushing the heat exchanger or replacing the water treatment filter (if applicable) in order to maximize the life of your tankless water heater. Contact technical service department listed on page 26 of this use and care manual if you are not familiar with these maintenance activities.
INSTALLATION INSTRUCTIONS 11 Turn on the gas and water to the water heater by opening the shut off valves. 9 Replace the front cover panel. 10 Turn on the remote control. Error Code 88 Clearing When a tankless water heater has a certain number of hours of combustion, error code “88” is shown on the remote control. It is highly recommended to perform water heater maintenance activities such as flushing the heat exchanger and/or replacing the water treatment filter (if applicable).
PARTS REPLACEMENT Parts Ordering WARNING: 1. T he model and serial number of the water heater from the rating plate. For your safety, DO NOT attempt to disassemble, repair, or replace any portion of this unit. Refer all repairs, service, and/or adjustments to qualified service personnel. 2. Specify the gas type (natural or LP) as marked on the rating plate. 3. Parts description (as shown below) and number of parts desired.
PARTS REPLACEMENT Outdoor Gas Components 3 13 4 6 8 7 5 11 8a 1 14 9 2 10 Ref # Description 1 Control Board 2 Gas Valve Assembly 3 Burner Assembly 4 Igniter Coil 5 Blower Motor 6 Burner Manifold 7 Gas Inlet Connector 3/4" 8 Water Control Valve Water Bypass Valve 9 Water Inlet Connector 3/4" 10 Inlet Water Filter 11 Hot Water Outlet Connector 3/4" 13 Front Cover 14 Remote Control Terminal Block Parts 8a 77
NOTES 78
LIMITED WARRANTY For the RHEEM®, RUUD®, Richmond®, Paloma®, and Sure Comfort® Residential Tankless Gas Water Heaters. GENERAL This Limited Warranty is only available to the original owner of the water heater at the original installation location. This Limited Warranty is not transferable. Rheem Sales Company, Inc.
LABOR, SHIPPING, AND PROCESSING COSTS For one (1) year after the Effective Date, Rheem will cover reasonable labor costs necessary to repair or replace a tankless water heater or component part that Rheem determines to be defective and covered by this Limited Warranty. The warranty service must be performed by a contractor that is licensed, state qualified, and trained to install and service Rheem's tankless water heaters.
SMARTEC ECONET TRANSLATOR KIT Installation Instructions This water heater is pre-installed with Smartec EcoNet Translator. Refer to below instruction to setup the translator and WiFi module. CAUTION: Disconnect power before working on the water heater. Warning: WiFi module needs to be installed indoors. STAND-ALONE OPERATION SETUP 1.
STEP 5: Connecting to the Internet. ● After the WiFi Module is installed and the Water Heater is powered, all three LEDs should blink simultaneously, indicating that the module is ready to be configured for use on the home network. [NOTE: In this state the module is operating as a WiFi Access Point.] bled products. Fig. 5 Top LED indicates power and connection to equipment. connection or other WiFi accessible Middle LED indicates WiFi connection.
Le voyant DEL inférieur indique une connexion active au nuage/serveur. Fig. 1 ECONET WiFi KIT Intrucciones de instalación ANTES DE COMENZAR ● El Kit de WiFi EcoNet está diseñado para su uso con productos habilitados para EcoNet. NO intente utilizar este kit con otros equipos. WiFi]. Fig. 5 ● El Kit de WiFi EcoNet requiere para operar una red de WiFi y conexión a Internet doméstica de banda ancha.
T ion Net installé à mise en œuvre nt d’intervenir é à l’intérieur. Middle LED indicates WiFi connection. 8. Connectez le contrôleur traducteur au chauffe-eau. 9. Attendez pendant 60 secondes. 10. Changez la température de consigne jusqu’à la valeur voulue. Note: Si vous souhaitez un peu plus tard régler la température de consigne à une valeur inférieure à 60°C (140°F), il faut effectuer à nouveau cette procédure.
