Installation Instructions, General Instructions

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

R75LSe, R94LSe, R63LSe, R98LSe specifications

The Rinnai R94LSe, R98LSe, R75LSe, and R63LSe are part of Rinnai's premier line of tankless water heaters, designed to provide on-demand hot water efficiently and sustainably. Each model caters to different household needs while offering advanced technologies and features.

The R94LSe boasts a maximum output of 9.4 GPM, making it ideal for larger households. It features a digital display that provides real-time information on temperature settings and performance. The R94LSe incorporates Circ-Logic technology, allowing users to set a schedule for hot water demands, ensuring instant access to hot water when needed. This model also employs a self-diagnostic system, which continually monitors performance and alerts users to any maintenance needs, helping extend the unit's lifespan.

The R98LSe is another powerful option with a maximum output of 9.8 GPM, perfect for homes with multiple bathrooms. It includes a remote control and a user-friendly interface, enhancing user experience. The R98LSe also features a unique indoor venting system, significantly reducing installation constraints, and is designed with energy efficiency in mind. This model's ultra-efficient heat exchanger provides consistent temperature control while minimizing energy consumption, fulfilling the growing demand for eco-friendly products.

For those seeking slightly less capacity, the R75LSe has a maximum output of 7.5 GPM, making it suitable for medium-sized homes. Similar to its counterparts, it utilizes Rinnai’s advanced technology to optimize energy usage. The R75LSe features an integrated freezing protection system and a compact design that allows for flexible installation options both indoors and outdoors.

The R63LSe is the smallest of the lineup, with an output of 6.3 GPM, making it ideal for smaller homes or apartments. Despite its compact size, it does not compromise on efficiency, offering advanced control options and energy-saving features. It includes a digital display for easy monitoring and can be equipped with an optional recirculation pump to enhance water availability.

Overall, the Rinnai R94LSe, R98LSe, R75LSe, and R63LSe models offer a range of capabilities suitable for various household sizes and hot water demands. These tankless water heaters exemplify innovation with their energy-efficient designs, advanced technologies, and ease of use, marking Rinnai as a leader in the market for reliable hot water solutions.