Use & Care Manual With Installation Instructions for the Installer 199,900 BTU Max Input Residential Indoor Gas Tankless Water Heater ! Warning: This water heater is not suitable for use in manufactured (mobile) homes! 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, to the owner–operator, to explain the features, operation, safety precautions, maintenance and trou
Safety Information FOR YOUR RECORDS Safety Precautions. . . . . . . 3–6 Write the model and serial numbers here: LP Gas Models . . . . . . . . . . . 5 # # Installation Instructions You can find them on a label on the appliance. Location . . . . . . . . . . . . . . . . . 7 Staple sales slip or cancelled check here. Water Connections. . . . . . 9-10 Proof of the original purchase date is needed to obtain service under the warranty. Gas Supply. . . . . . . . . . . . . . 11 High Altitude . . . . . .
IMPORTANT SAFETY INFORMATION. READ ALL INSTRUCTIONS BEFORE USING. 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.
IMPORTANT SAFETY INFORMATION. READ ALL INSTRUCTIONS BEFORE USING. ! DANGER! WATER TEMPERATURE SETTING Safety and energy conservation are factors to be considered when selecting the water temperature setting of a water heater’s remote control. Water temperatures above 125°F can cause severe burns or death from scalding. Be sure to read and follow the warnings outlined on the label pictured below.
DANGER! NATURAL GAS AND LIQUEFIED PETROLEUM MODELS 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 also hide or camouflage a gas leak.
IMPORTANT SAFETY INFORMATION. READ ALL INSTRUCTIONS BEFORE USING. ! WARNING! 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 INSTALLATIONS IN THE STATE OF CALIFORNIA California Law requires that residential water heaters must be braced, anchored or strapped to resist falling or horizontal displacement due to earthquake motions.
Installing the water heater. This 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. A copy can be purchased from either the American Gas Association, 400 North Capitol Street Northwest, Washington, DC 20001 as ANSI standard Z223.1 or National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02269 as NFPA 54.
Installing the water heater. Proper operation of the water heater requires air for combustion and ventilation. Provisions for combustion and ventilation air must comply with referenced codes and standards. Combustion and Ventilation Air Air Openings Min. 200 Sq. In. Min. 3" NOTICE: If the water heater is installed in an unconfined space within a building of conventional frame, masonry or metal construction, infiltration air is normally adequate for proper combustion and ventilation.
Mounting the Water Heater CAUTION: Reinforcement of the wall is required in case the wall is not strong enough to hold the appliance. Make sure the location of the appliance allows for easy access and operation. Wall studs should be utilized when mounting the water heater to the wall. In case of dry wall or concrete wall use dry wall anchors or lag bolts.
Installing the water heater. Water Supply Connections Continued. Water Filter Clean the Water Filter Water Inlet Check Valve Nipple Water Air Relief Valve Hot Water Tap Drain Valve Install a shutoff valve near the inlet of the water heater for service and draining purposes. Install a Check Valve between the water heater and the water shutoff valve. (See illustration the top left). DO NOT use pipes with smaller diameters than the water supply connection of the water heater.
WARNING: 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 result in hazardous operating conditions. Gas Supply Manual Gas Supply Line Shut-off Valve Manual Gas Appliance Shut-off (Supplied) Union The supplied Manual Gas Appliance Shutoff Valve must be installed at the gas connection of the water heater at the time of installation (see diagram to the left).
Installing the water heater. The water heater must be installed with a RTG20002B vent adapter or a UL approved Category III Stainless Steel equivalent. DANGER: Failure to install the vent adapter and properly vent the water heater to the outdoors as outlined in the Venting section of this manual will result in unsafe operation of the water heater causing death, serious injury, explosion, or fire.
Venting Through Closed Spaces 1/4” per foot downward slope Insulation Material Wall Thimble Vent Pipe Inspection Hole #1 Ceiling Board Inspection Hole #2 If the vent piping passes through a closed space, wrap the vent pipe with inflammable insulation material that is at least 3/4” thick. DO NOT let the insulation material make contact with flammable materials. A minimum clearance of 3” between the vent pipe and ceiling should be maintained. Be sure to follow local codes.
Installing the water heater. Horizontal Vent Terminal Location The location of the vent terminal depends on the following minimum clearances and considerations (see illustration): Twelve (12) inches above grade level and above normal snow levels.
Vent Horizontal Wall Thimble Installation Outer Thimble Section Inner Thimble Section Combustible Wall Outer Thimble Section 90° Elbow Vent Pipe 90° termination with screen Combustible Sheathing Use 4 hollow wall anchors, at least 1/8” in diameter and of appropriate length for the thickness of the sheathing, if sheathing is particle board or other composite material. Use 4 #10x1-1/4” wood screws for plywood, solid wood sheathing or members.
Installing the water heater. Vertical Vent Termination Location Small (6” min) section of vent Elbow The location of the vent terminal depends on the following minimum clearances and considerations (see illustration): Minimum twelve (12) inches above roof. Minimum twelve (12) inches above anticipated snow level. Maximum twenty-four (24) inches above roof level without additional support for vent. Vent Pipe Through Roof Min. 12" Above Roof Min. 12" Above Anticipated Snow Level.
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, or in Canada, Canadian Electrical Code, CSA C22.1 Part 1. Remote Control Installation NOTICE: The provided remote control will allow a maximum temperature setting of 120°F. If higher temperatures (up to 140°F) is desired, a MAIN (UMC-117) remote control is available (sold separately).
Installing the water heater. 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, or in Canada, Canadian Electrical Code, CSA C22.1 Part 1. Remote Control Installation Continued... NOTICE: Extension cable can be any Type-T 18 AWG wire similar to a thermostat wire and is not polarity sensitive.
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, or in Canada, Canadian Electrical Code, CSA C22.1 Part 1. Electrical Connection POWER CORD: WARNING: Shock hazard line voltage is present. Before servicing the water heater, turn off the electrical power to the water heater at the main disconnect or circuit breaker.
Installing the water heater.
Insulation Blankets WARNING: If local codes require external application of insulation blanket kits the manufacturer’s instructions included with the kit must be carefully followed. Insulation blankets, available to the general public, for external use on gas water heaters are not necessary. The purpose of an insulation blanket is to reduce the standby heat loss encountered with storage tank heaters. This water heater does not store water making an insulation blanket unnecessary.
Installing the water heater. Installation Check List A Water 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 supply free of corrosive elements and flammable vapors. ❑ Provisions made to protect area from water damage. ❑ Sufficient room to service heater.
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 death . Should you have any problems reading or following the instructions in this manual, STOP, and get help from a qualified person.
Operating the water heater. Safety Precautions Do turn off manual gas shut-off 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 water and gas supplies are fully opened. Do Not turn on water heater if cold water supply shut-off valve is closed. Do Not allow combustible materials such as newspaper, rags or mops to accumulate near water heater.
Water Temperature Setting… Maximum water temperature occurs while the burner is on. To determine the water temperature, turn on a hot water faucet and place a thermometer in the water stream. Water temperature at the faucet may vary depending on season and length of pipe from the water heater. NOTICE: If the BATH control is turned on, the temperature setting on the MAIN control cannot be changed. The BATH control(s) will always have PRIORITY over the MAIN control.
Care and cleaning of the water heater. DANGER: Before manually operating the relief valve, make certain no one will be exposed to the danger of the hot water released by the valve. The water may be hot enough to create a scald hazard. The water should be released into a suitable drain to prevent injury or property damage. ! DANGER: Hotter water increases the potential for Hot Water Scalds.
Care and cleaning of the water heater. Housekeeping continued ! DANGER: DO NOT attempt CLEANING THE AIR INTAKE FILTER: to operate the water heater ● Make sure the unit is OFF and the without the air intake filter. DO electrical power supply has been NOT alter the proving switch to disconnected. force the unit to operate without ● Unscrew the holding screw to the right the air intake filter. Notice: The water heater may not work if the air intake filter is severely clogged.
Care and cleaning of the water heater. Draining the Water 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). PRIORITY °F POWER ON/OFF Unplug the power supply cord (or disconnect breaker) at least 10 seconds after step #1. To Hot Water Faucet(s) Open all hot water faucets. Before proceeding to the next step, make sure that COLD water is coming out of all hot water faucets. Close the water shut-off valve.
Before You Call For Service… Troubleshooting Tips 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 undesirable combustion conditions occur. Such as the presence of a blockage of the combustion air inlet vent. Please contact a Qualified Service Technician if this occurs. Problem Possible Cause Not enough or no hot water.
Error Code Guide When an error code is displayed: ● Close the hot water faucet, turn off the switch on the remote control. ● Wait for about 5 minutes before turning the switch on again. ● Open the hot water faucet. If the error code remains shown: ● Close the hot water faucet and turn off the switch on the remote control. ● Take the proper action shown below and attempt operation of the appliance again.
Replacement Parts. For models using natural or LP gas. Instructions For Placing a Parts Order Address parts orders to the distributor or store from where the water heater was purchased. WARNING: For your safety, DO NOT attempt to disassemble this unit for any reason. Part description (as noted below) and number of parts desired. CAUTION: For your safety, DO NOT attempt repair of electrical wiring, gas piping, burners, vent connectors or other safety devices. Refer repairs to qualified service personnel.
IF YOU NEED SERVICE 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, commercial listings or local utility for qualified service assistance. 2.