Rinnai R94LSI, R98LSI-ASME Horizontal with Concentric Termination, Vertical Terminations

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Flue Installation (R98LSi, R98LSi-ASME)

Horizontal with Concentric Termination

SLOPE INTAKE AND EXHAUST

TOWARD OUTSIDE TERMINATION

MINIMUM 1/4" PER FOOT

Vertical Terminations

The air intake requires a return bend or two 90º elbows to prevent entry of rain.

The vent termination and air intake must be in the same pressure zone.

 

VA Series Indoor LS Manual

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Contents ANS Z21.10.3 CSA REU-VA3237FFUTable of Contents R50LSi R75LSi R94LSi R98LSi SpecificationsConsumer Safety Information Safety DefinitionsSafety Behavior and Practices Safety Features Features Features Available on Temperature ControllersDescription of Operation Operating InstructionsMC-91-1US & MCC-91-1US Temperature Controllers ModelsBC-100V-1US Temperature Options Without a Temperature Controller Setting the TemperatureSetting the Sound Volume Voice Prompt Temperature RangesModel Temperature Settings Available ºF MCC-91 Temperature ControllerUsing the Water Smart / Bath Fill Function Setting the Water VolumeOverview Setting the Clock Setting Controller to MuteFilling the Tub Models MC-91 and MCC-91Maintenance Code Fault Remedy Error CodesCode Trouble Shooting for Common Issues Accessing Operating InformationWater Quality Circulating Pump Flushing the Heat Exchanger Error Code LC orGeneral Instructions Installation InstructionsAttachment of the Water Heater Clearances from ApplianceElectrical Connection Gas PipingGeneral Instructions Pipe Sizing Procedure Example Water Piping Pressure Relief ValveFreeze Protection Rinnai Water Heater Freeze Protection PipingRinnai Water Heater Recommended Piping for Basic InstallationFor this application Recommended Piping for Circulation SystemsFor this application Optional Piping for Circulation SystemsVenting Instructions Intake / Exhaust GuidelinesCondensate Maximum Vent Length Manufacturer Product Parts Vent ProductsFlue Terminal Clearances ANS Z21.10.3 CSA Vent Terminal Area Where Terminal is not PermitttedAdditional Clearances Vent Terminal Flue Installation Concentric Venting R50LSi, R75LSi, R85LSi Air Intake Assembly Flue Installation R98LSi, R98LSi-ASMEExhaust Pipe Assembly Venting Clearances to CombustiblesVertical Terminations Horizontal with Concentric TerminationConnecting Multiple Water Heaters High Altitude InstallationsNumber of Connected Water Heaters Accessories Necessary GuidelinesConfigurations Temperature Controller InstallationLocation Cable Lengths and SizeOutline of Remote Mounting the ControllerOperating Instructions For Your Safety Read Before OperatingTechnical Data Pressure Drop CurveOutlet Flow Data Replacement Temperature SettingSpace Heating PumpsR50LSi, R75LSi, R94LSi R98LSi, R98LSi-ASME DimensionsHOT Ladder DiagramWarranty Information Limited WarrantyConsumer Support What will Rinnai do? Rinnai’s other fine products

R50LSI, R94LSI, R75LSI, R98LSI-ASME, R98LSI specifications

The Rinnai R50LSI, R75LSI, R94LSI, R98LSI, and R98LSI-ASME are high-efficiency tankless water heaters designed for residential and commercial applications. Each model in this line-up boasts unique features and technologies that cater to varying hot water needs while emphasizing energy efficiency and reliability.

The R50LSI is the most compact option in the lineup, providing up to 5.1 gallons per minute (GPM) of hot water at a 35°F rise in temperature. It is an ideal choice for smaller households or apartments where space is a premium. It operates using a direct vent system, ensuring safe exhaust of combustion gases outside the home. The R75SLI, with a maximum output of 7.5 GPM, is suited for needs such as multiple showers running simultaneously, making it perfect for medium-sized homes.

Moving on to the R94LSI and R98LSI, these models provide even greater capacity and efficiency. The R94LSI offers an impressive 9.4 GPM flow rate, while the R98LSI reaches a peak of 9.8 GPM, supporting larger family requirements and ensuring hot water availability for multiple applications concurrently. Both models incorporate Rinnai’s advanced Circ-Logic technology, which allows users to set schedules for recirculating hot water, minimizing wait time and enhancing convenience.

For commercial applications, the R98LSI-ASME is a specialized model that includes the American Society of Mechanical Engineers (ASME) certification. This makes it suitable for larger facilities, such as restaurants, schools, and other institutions that demand a robust and efficient solution for comprehensive hot water needs.

All these models feature a user-friendly digital controller, enabling easy temperature adjustments and real-time monitoring. Moreover, their compact design means they can be installed in various locations, saving valuable space. The Rinnai tankless water heaters utilize a highly efficient condensing technology, resulting in a lower carbon footprint and reduced energy costs.

With a robust warranty program and the reliability that Rinnai is known for, the R50LSI, R75LSI, R94LSI, R98LSI, and R98LSI-ASME embody the pinnacle of water heating technology. These models not only provide the convenience of on-demand hot water but also contribute to energy conservation, making them an excellent choice for environmentally conscious consumers.