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4. 2. If power must be turned of

4. 2. If power must be turned off for an extended period of time, drain the tank completely. Heat Override Time Fahrenheit No Enabled 1 No 3 days settings Temperature Display Screen Adjustment Lock? . Use fittings appropriate for the type of pipe in your home. Remote Access Enable/Disable: NOTICE: The heat pumps fan will not turn on if the incoming water temperature is less than 59F/15C and/or the ambient air temperature is above 120F/15C, or below 45F/7.2C. Using this in a recirculation loop may cause the unit to run excessively.

scale or mineral deposits in the water heater. Pay particular attention to the Safety Instructions. High water pressures can damage water heaters, causing premature leaks. There have likely been plumbing code changes since the old water heater was installed. The Operation Mode Indication Light will turn on when the relevant mode is selected. Refer to Use and Care Manual. All the display and lights will be turned off except for the Operational Mode Indication Light, which will remain illuminated while the unit is powered on. Using a non-contact circuit tester, check the wiring to make certain the power is OFF.WARNING! In addition, excessive dust and lint may affect the operation of the unit, see the Air Filter Maintenance section in this manual. Disconnect the water pipes. Read each installation step and decide if you have the necessary skills to install the water heater. 5 in.

Most codes require and we recommend installing the water heater in a drain pan that is piped to an adequate drain. The water heater will make an audible beep for notification of Alarms. 120 Basic Water Heater Operation Service warm Settings The Service screen provides information on the product description, testing software version, and alarms. Do not reuse an old T&P Relief Valve. Wiring Diagram COMPONENT CODE AT AMBIENT TEMPERATURE CAP CAPACITOR COMP COMPRESSOR COND CONDENSATE SENSOR (SOME MODELS ONLY) DT DISCHARGE TEMPERATURE ECO EMERGENCY CUT OFF ET EVAPORATOR TEMPERATURE EXV ELECTRONIC EXPANSION VALVE FAN FAN GND GROUND NUT ON TANK NUT HPS HIGH PRESSURE SWITCH JCT JUNCTION BOX BOX LE LOWER ELEMENT LEAK LEAK SENSOR (SOME MODELS ONLY) PCB PROGRAMMED CONTROL BOARD ST SUCTION TEMPERATURE TB TERMINAL BLOCK TTL TANK TEMPERATURE - LOWER TTU TANK TEMPERATURE - UPPER UE UPPER ELEMENT 29. Refer to the installation instructions provided with the Thermal Expansion Tank for installation details. Dry all pipes so that any drips or leaks will be apparent. 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. NOTICE: The water heater will conduct a system diagnostic (approximately 8 minutes) each time power is applied from an off state. This mode may be useful in periods of increased hot water demands. Beep On Alarm EcoNet Network Instance High Temp Adjust Enable Elec. Do not turn electrical power on unless you are sure all of the air is out of the tank and the tank is completely full of water. The drain pan must be at least 2/50mm wider than the diameter of the water heater. Dielectric unions can help prevent corrosion caused by tiny electric currents common in copper water pipes and can help extend the life of the water heater. Hydrogen gas is extremely flammable. 6 Condensate Drain . The discharge pipe should be at least 3/4 inside diameter and sloped for proper drainage. . WATER TEMPERATURE SETTING Safety and energy conservation are factors to be considered when selecting the water temperature setting of water heater. Avoid locations such as attics, upper floors, or where a leak might damage the structure or furnishings. Water Heater Feat High Efficiency, Mobile Alerts and 10-Year Warranty. Working on an energized circuit can result in severe injury or death from electrical shock. The Safe Drinking Water Act of 1974 requires the use of backflow preventers and check valves to restrict water from your home reentering the public water system. Installing the water heater Equivalent feet for Duct Accessories Elbows/Bends Rigid duct elbows and flex bends greater than 45 is considered an elbow. NOTE: When making condensation connections to the primary connection DO NOT over tighten! There is adequate space to install the T&P Relief Valve discharge pipe and that it can be piped to a sepa- rate drain (and not into the drain pan). This water heater requires a 240/208 VAC single phase 30 amp power supply, at 60Hz. Area free of flammable vapours.

In Efficiency Mode the air temperature needs to be above 45F/7C and below 120F/48C for heat pump operation. The conduit or tubing is terminated in fittings approved for grounding. NOTE: For increased water demand, switching (temporarily) to Hybrid Mode or Electric Mode will decrease the recovery/re-heat time. BACKGROUND: Over the years, many utilities have increased water supply pressures so they can serve more homes. The ambient air temperature must also be considered when installing this unit. 1. Plastic pipe or tubing must be used to connect the condensate drain to a suitable drain or condensate pump. Refer repairs to qualified service personnel. T300 Water Leak Sensor Not Installed. Terminations/Registers Table 2 equivalent feet for terminations includes the rodent screen.

When purchasing a PRV, make sure the PRV has a built-in bypass. Use a UL listed or CSA approved strain relief to secure the electrical wiring to the water heater. Check with local plumbing officials to determine what types of pipe materials are suitable for your location.

Connecting the Condensate Pump Optional Overflow Shut Off Switch. . When set time for Vacation Mode has completed, UIM will automatically return to last mode selected. The tank must be full of water before water heater is turned on. HOW: Connect the Thermal Expansion Tank to the cold water supply line near the water heater. Call your installer/contractor. Need Ultra Low NOx Commercial Water Heaters - Rheem has what you need now. HOW: Purchase an inexpensive water pressure gauge. Troubleshooting Alarm Codes Code Description Heater Function What To Do A004 Compressor Shutdown: Discharge-Suction Trip. Overtightening could crack or damage the condensate drain pan. These connections should be HAND TIGHTENED ONLY. Locate the water heaters circuit breaker and turn it OFF (or remove the circuits fuses). Remove the aerator at the nearest hot water faucet. Connect the ground wire to the green ground screw. Connect the homes two power wires to the water heaters two power wires. DANGER: Before manually operating the relief valve, make certain no one will be exposed to the hot water released by the valve. Check fan operation. If you have increased the temperature setting and the Thermostatic Mixing Valves are not set properly (or not installed) you could scald yourself while checking the temperature. . 3-4 FOR YOUR RECORDS Write the model and serial numbers here: # Installation Instructions Location. (Note that sediment in the bottom of the tank may clog the valve and prevent it from draining. . Ground screw N ING WAR Conduit connector Junction box cover Wire connections Water heater junction box. Terminate the discharge pipe a maximum of six inches above a floor drain or outside the building. In order to drain the water heater, turn off the cold water supply. Be sure to read and follow the warnings outlined on the label pictured below. Install wiring in an approved conduit (if required by local codes). ECO Tripped. This allows any debris in the tank or plumbing system to be washed out. Install it to allow complete drainage of both the T&P Relief Valve and the discharge pipe. In cold climates, terminate the discharge pipe inside the building to an adequate drain. To remove air from the tank and allow the tank to fill completely with water, follow these steps: WARNING! Maximum number of elbows/bends allowed are shown in [brackets] in Table 2.

The controller will order the unit to enter into defrosting cycle to optimize the heat pump operation performance. The drain pan helps avoid property damage which may occur from condensation or leaks in the piping connections or tank. Provisions for Air Cirulation (Louvered doors on ducting). Only proceed if you can safely perform the work. Be sure the electrical power to the water heater is turned OFF at the circuit breaker panel (or remove the circuits fuses). Protect the drain from freezing. Ensure that wire sizes, type, and connections comply with all applicable local codes. . . Basic Water Heater Operation Navigating the Home Screen Current Operating Mode Temperature Setting Energy Saver Mode 120 Temperature Adjustment warm Settings Settings Button hot Status Temperature Adjustment very hot Service Mode Operating Mode Button Service Button Status Button Operational Control and Modes Once power is applied to the water heater, the Operational Control Buttons can be used to activate the heating of water. NOTICE: This water heater model contains an outlet connection (J-tube) that has an orientation mark that must line up with arrow (in a 12 oclock position). Efficiency will be greatest, and recovery quickest, when both are high. Using a non-contact circuit tester, check the wiring to make certain the power is OFF. NOTE: Do not shut off power to the unit for extended periods of time. The water heater warranty does not cover damage or failure resulting from operation with an empty or partially empty tank. You may be able to reuse the discharge pipe, but do not reuse the old T&P Relief Valve. Also open a hot water faucet to help the water in the tank drain faster. Install Thermostatic Mixing Valves to regulate the temperature of the water supplied to each point-of-use (for example, kitchen sink, bathroom sink, bath, and shower). CAUTION! Water Leak Sensor Not Installed. NOTICE! 20 ft. NOTE: If no floor drain is available or the drain is above the level of the condensate line, a condensate pump must be installed. 6 # You can find them on a label on the appliance. ! document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); High Efficiency, Energy Saving Hot Water Heater Guide, Smart Electrical Panels & Energy Monitoring, Step 1: Verify that our home is equipped and up-to-date for proper operations, Step 2: Verify that the location is appropriate, Step 5: Connecting The Condensate Pump When Required, Step 7: Connect The Temperature And Pressure (T&P) Relief Valve / Pipe, Step 8: Install Shut Off And Mixing Valves, Step 10: Verify Connections And Completely Fill Tank. By continuing to use this website, you agree to our use of cookies. Understand the various Operating Modes and which mode may be best, based on ambient temperature and hot water demands. If you are not sure you can complete the installation, DO NOT RETURN THIS UNIT TO THE STORE. Outside building. For ease of removing the water heater for service or replacement, connect the water pipes with a coupling called a union. Determine the type of water pipes in your home. BACKGROUND: Water expands when heated, and the increased volume of water must have a place to go, or thermal expansion will cause large increases in water pressure (despite the use of a Pressure Reducing Valve on the homes main water supply line). WARNING! . Using 1/2 ID rubber or flexi- ble plastic tubing, slip one end over the secondary drain connection allowing enough length to access an adequate drain. .

Use & Care Manual With Installation Instructions for the Installer Electric Residential Hybrid Water Heaters Residential - HB Duct Ready Series The purpose of this manual is twofold: one, to provide the installer with the basic directions and recommendations for the proper installation and adjustment of the water heater; and two, for the owner operator, to explain the features, operation, safety precautions, maintenance and troubleshooting of the water heater. In a suitable drain pan piped to an adequate floor drain or external to the building. The condensate drain lines and connections to the drain piping must comply with all local codes. Set the water heater in place taking care not to damage the drain pan.NOTICE! Leaks are frequently in the plumbing system itself and not the water heater. The water heaters temperature setting has been factory set to approximately 120F to reduce the risk of scald injury. Most homes use copper water pipes, but some use CPVC or cross-linked polyethylene (PEX). For water heaters that are fed by a solar water heating system (or any other pre-heating system), always install a Thermo- static Mixing Valve or other tempera- ture limiting device in the inlet water supply line to limit water supply inlet temperature to 120F. Hot water provided by solar heating systems can cause severe burns instantly, resulting in severe injury or death (page 4). Do not drain the discharge pipe into the drain pan; instead pipe it separately to an adequate drain. As a result, most all plumbing systems today are now closed, and almost all homes now need a Thermal Expansion Tank. Typical Installation Ceiling 6" Minimum clearance above heat pump to allow for filter maintenance Air filter Flexible Connection recommended (Such as PEX) Temperature and pressure relief valve and discharge line Hot water outlet to fixtures Primary condensation (3/4") to open drain or outdoors Secondary condensate tubing (3/8") to open drain or outdoors Flexible Connection recommended (Such as PEX) Shut-off valve 6" Air gap Drain valve Heat trap 6" Min Cold water supply Thermal expansion tank (if. . . Remove the jacket access panel(s) and insulation. Troubleshooting Alarm Codes Cont. . Make certain the drain valve on the water heater is completely closed. If necessary, you can make them shorter later when you install the new water heater. To deactivate Vacation Mode, press the Mode/Enter button to switch to the desired mode. A006 Suction Temperature Too Low. . Install Thermostatic Mixing Valves at each point-of-use to reduce the risk of scalding. This unit is equipped with technology that senses the hot water demand from the unit. If you arent sure if your plumbing system is equipped with properly installed and adjusted Thermostatic Mixing Valves at each point where hot water is used, contact a qualified person for more information. . Hybrid Mode is the recommended Operating Mode. Verify that you have a properly sized Thermal Expansion Tank. Refer to Use and Care Manual. To maintain optimal operation, check, remove and clean the air filter as needed. Hybrid Mode This is the default, recommended setting, combining high energy efficiency with reduced recovery time. Install insulation (or heat tape) on the water pipes especially if the indoor installation area is subject to freezing temperatures. Using the up or down buttons, cycle through the available temperature set points until the desired temperature is displayed. ! WARNING! ! Locate the wiring behind the condensate drain access cover by removing the 4 screws attaching the cover to the unit. NOTE: Before attempting to adjust the thermostat, read the Water Temperature Regulation section. If you cant get the tank to drain, contact a qualified person. Care and cleaning of the water heater Draining the Water Heater CAUTION: Shut off power to the water heater before draining water. To limit your homes water pressure: Locate your homes Pressure Reducing Valve (PRV) on the main incoming (cold) water supply line and adjust the water pressure control to between 50 and 60 psi. Even if the water heater thermostat is set to a relatively low temperature, hot water can scald. A minimum clearance of 6 inches must be maintained from all sides and 6 inches from the top for access to the air filter. If you arent sure how to adjust the Thermostatic Mixing Valve settings, or arent sure if you have Thermostatic Mixing Valves, contact a qualified person. Do not place any valve or other restriction between the tank and T&P Relief Valve. Instructions For Placing a Parts Order Address parts orders to the distributor or store where the heater was purchased. Cut the loop and strip insulation off the 2 ends. Use only copper or CPVC pipe. Higher temperatures increase the risk of scalding, but even at 120F, hot water can scald. The water temperature can be adjusted quickly by pressing the Temperature Up button and holding for three seconds. To keep your water heater working safely and efficiently and extend its life, perform.

. READ ALL INSTRUCTIONS BEFORE USING. . In the absence of local codes, follow NFPA-70 and the current edition of the National Electric Code (NEC). After a long shut-down period, the water heaters operation and controls should be checked by qualified service personnel. If your home does not have a Pressure Reducing Valve, install a PRV on the homes main water supply line and set it to between 50 and 60 psi. Ducting approved for HVAC applications is required. Close the hot water faucet and replace the aerator. . If you are not comfortable, have a qualified person perform the installation. If you increase the water heaters temperature setting, install Thermostatic Mixing Valve(s) at each point-of-use to reduce the risk of scalding. Electric Mode will remain for 48 hours before reverting back to default mode setting. There will be frost accumulating on the evaporator when the heat pump is operated under low ambient temperatures. Use the Up and Down Buttons on the front panel to set the desired temperature (figure 26, page 19). The active mode is displayed on top of the screen. For typical installations, the factory default mode, Hybrid Mode offers the best combination of efficiency and hot water delivery. Do not connect condensate drain lines with other drain or discharge lines into a single (common) pipe or line. See Ducting Example. . Check with your local water utility. . Ducting configurations that does not comply with these guidelines are not supported. A new T&P Relief Valve comes installed on your water heater (or on some models, is in the carton with the water heater). Care and Cleaning of the Water Heater Vacation and Extended Shut-Down NOTICE: Refer to the Hydrogen Gas Caution in the Operating Instructions. Many water pipes are connected by a threaded union which can be disconnected with wrenches. . Install Thermostatic Mixing Valves at each point-of-use to reduce the risk of scalding. If it is, use special straps as required by local building codes.NOTICE: The state of California re- quires bracing, anchoring, or strapping the water heater to avoid its moving during an earthquake.

Water temperatures above 125F can cause severe burns or death from scalding. Problem Possible Causes Rumbling noise Water conditions in your Allow a few quarts of water to run from drain valve home caused a build up of to remove sediment settlings. In the event the firm has moved, or is unavailable, refer to the telephone directory, commercial listings or local utility for qualified service assistance. Turn on electrical power to the water heater. Most T&P Relief Valves are pre- installed at the factory. Before installing your water heater, ensure that: NOTICE! Check the water heaters data plate and ensure that the homes voltage, wiring size (ampacity) and circuit breaker rating and type are correct for this water heater. In some homes today, pressures exceed 100 psi. Backflow preventers are often installed in water meters and may not be readily visible. IF YOU NEED SERVICE 1. Install a suitable drain pan under the water heater to catch condensation or leaks in the piping connections or tank. 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. Condensation drain lines installed in areas that are subject to freezing temperatures should be wrapped with a nationally recognized heat tape. 120 Basic Water Heater Operation warm Operating Modevery hot hot Press the "Mode" button repeatedly to select one of the six modes of operation (the Off Mode has been discussed previously). Leaks from plumbing pipes or from the water heater itself can damage property and could cause a fire risk. Review the chart on this page first and you may not need to call for service. We recommend checking your homes water pressure with a pressure gauge. This mode is recommended when the water heater is not in use for a long period of time, to minimize energy consumption and prevent the water heater from freezing during cold conditions. Double check to make sure the hot and cold water pipes are connected to the correct hot and cold water fittings on the water heater. Check that: The T&P Relief Valve will not be in contact with any electrical parts. Install per manufacturers instructions. These devices can detect water leaks and can shut off the water heaters water supply if a leak occurs. Diameter Diameter of wall penetrations? Heater disabled. Unit is level to allow proper con- densate drainage. Thread both ends through the grommet on the drain pan cover. 1. The vacation timer will blink on the display; press the Mode/Enter button to confirm the vacation timer. . If the water heater is to remain idle for 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. Remove the old water heater.WARNING! If bends with tighter radiuses are needed, a rigid elbow must be used. Be sure to read and understand the entire Use and Care Manual before attempting to install or operate this water heater. In order to optimize efficiency of this unit, it is not recommended for use with a recirculation loop. Do not use lead-based solder. This transition is seamless and will go unnoticed. You may wish to set a higher temperature to provide hot water for automatic dishwashers or laundry machines, to provide more hot water capacity, and to reduce bacterial growth. At ambient temperatures lower than 45F / 7.2C and greater than 120F / 48.8C, the heat pump will not operate. Do not solder pipes while they are attached to the water heater. Disconnect power to unit. .

IMPORTANT SAFETY INFORMATION. Install approved insulation on the condensate drain lines to prevent condensation from forming on the outside of the drain lines. Basic Water Heater Operation Temperature Adjustment DANGER: Hotter water increases the potential for HOT water SCALDS Tank temperature will be maintained according to the setting on the Home Screen. All parts orders should include: The model and serial number of the water heater from the rating plate located on the tank jacket. Flexible. Be sure the water runs cool before draining the tank to reduce the risk of scalding. Alarm details can be found in the Troubleshooting Alarm Codes section of the manual. A check valve located in the cold water inlet line can cause what is referred to as a closed water system.

To minimize property damage from leaks, inspect and maintain your water heater in accordance with this manuals instructions. Operating the water heater CAUTION: Hydrogen gas can be produced in a hot water system served by this water heater that has not been used for a long period of time (generally two weeks or more). Let the water run full stream for three full minutes. During the defrosting period, the user interface module will display ICE as an indication. To ensure optimal performance and serviceability, a minimum clearance of 6 inches must be maintained from all sides and 6 inches from the top for access to the air filter. Use this checklist and inspect your home. Install any devices you need to comply with codes and assure that your new water heater performs at its best. If one is not already installed, install a manual shutoff valve in the cold water line that supplies the water heater. Replace the junction box cover and secure with the screw provided. Diameter of ducting used? . Installing a new water heater is the perfect time to examine your homes plumbing system and make sure the system is up to current code standards. Code Description Heater Function What To Do A200 High Water Temp! . Your Heat Pump Water Heater is Smart Grid capable.

Review the chart on this page first and you may not need to call for service. If the hot water system has not been used for two weeks or more, open a hot water faucet for several minutes at the kitchen sink before using any electrical appliances connected to the hot water system.

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4. 2. If power must be turned of