Installation Instructions

Only properly trained and qualified installers should install this appliance. The warranty may be voided due to improper installation or installation by a non- qualified installer.

Rinnai highly recommends all installers attend a product knowledge class. For information on a Rinnai Training Course or for questions on installation call 1 800-621-9419.

R63LSe	REU-VA2024WD
R75LSe	REU-VA2528WD(A)
R94LSe	REU-VA2535WD
R98LSe	REU-VA3237W
R98LSe-ASME	REU-VA3237W-ASME

General Instructions

Do not use substitute materials.

Use only parts certified with the appliance.

•This appliance must be installed by a state qualified or licensed contractor. It is the responsibility of the person having the water heater installed to ensure the installing contractor has proper licenses and permits for installing water heaters in your location. Rinnai highly recommends that installers attend a product knowledge class to ensure customer satisfaction and warranty coverage. Failure to comply with state and local codes pertaining to water heater installations may void the warranty.

•This appliance is not to be installed indoors.

•A qualified installer or service technician should install the appliance, inspect it, and leak test it before use.

•The installation must conform with local codes or, in the absence of local codes, with the National Fuel Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installation Code, CSA B149.1.

•The appliance, when installed, must be electrically grounded in accordance with local codes or, in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70, or the Canadian Electrical Code, CSA C22.1.

•The appliance and its appliance main gas valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1/2 psi (3.5 kPa) (13.84 in W.C.).

•The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psi (3.5 kPa) (13.84 in W.C.).

•Follow the installation in structions and those in the Maintenance section for adequate combustion and ventilation air.

•The appliance should be located in an area where water leakage of the unit or connections will not result in damage to the area adjacent to the appliance or to lower floors of the structure. When such locations cannot be avoided, it is recommended that a suitable drain pan, adequately drained, be installed under the appliance. The pan must not restrict combustion air flow.

•The flow of combustion and ventilation air shall not be obstructed.

•This appliance is not suitable for use in an application such as a pool or spa heater that uses chemically treated water . (This appliance is suitable for filling large or whirlpool bath tubs with potable water.)

•If a water heater is installed in a cosed water supply system, such as one having a backflow preventer in the cold water supply line, means shall be provided to control thermal expansion. Contact the water supplier or local plumbing inspector on how to control this situation.

•Should overheating occur or the gas supply fail to shut off, turn off the manual gas control valve to the appliance.

•Keep the air intake location free of chemicals such as chlorine or bleach that produce fumes. These fumes can damage components and reduce the life of your appliance.

VA Series Outdoor LS Manual

R98LSE-ASME specifications

The Rinnai R98LSE-ASME is a high-efficiency tankless water heater that stands out for its powerful performance and advanced technology. This model is particularly designed to meet the demands of residential and commercial applications, delivering consistent hot water whenever it is needed. With a maximum flow rate of 9.8 gallons per minute, it is able to provide hot water for multiple outlets simultaneously, making it an excellent choice for busy households and commercial settings.

One of the main features of the Rinnai R98LSE-ASME is its Energy Star rating, which signifies its exceptional energy efficiency. This rating not only helps reduce energy bills but also minimizes the environmental impact by consuming less gas over time. The unit is engineered with advanced condensing technology, which captures and reuses heat from exhaust gases, enhancing efficiency and cutting waste.

The R98LSE-ASME operates on a natural gas or propane option, allowing for flexibility depending on the available fuel supply. Its powerful burner system can quickly heat water to the desired temperature, ensuring that there's no waiting time for hot water. Additionally, the unit is designed with a temperature lock feature, which allows users to set and maintain their preferred water temperature easily, enhancing safety and convenience, especially in households with children.

Installation of the Rinnai R98LSE-ASME is straightforward, as it comes with a detailed manual and can be fitted into various environments, including closets and small spaces, due to its compact design. This versatility provides significant savings on space compared to traditional tank water heaters.

Safety is also a priority for Rinnai. The R98LSE-ASME includes a comprehensive set of safety features such as overheat protection, freeze protection, and built-in diagnostic codes for quick troubleshooting. This ensures reliable operation and peace of mind for users.

In summary, the Rinnai R98LSE-ASME is a high-performance tankless water heater that combines efficiency, reliability, and advanced technology. With features such as a high flow rate, Energy Star certification, and robust safety measures, it is well-suited for both residential and commercial applications, making it a worthy investment for anyone seeking a dependable hot water solution.