Rinnai R50LSI, R98LSI-ASME, R75LSI Temperature Ranges, Setting the Sound Volume Voice Prompt

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Temperature Ranges

This water heater will attempt to provide hot water at the temperature setting even when the water flow is varied or when more than 1 tap is in use. The water heater can deliver water at only one temperature setting at a time. The available temperatures for a given model are provided below.

Model

 

 

 

 

Temperature Settings Available (ºF)

 

 

 

 

R50LSi

98

100

102

104

106

108

110

115

120

125

130

135

140

150

160

 

R75LSi

 

 

 

 

 

 

 

 

 

 

 

 

 

*

*

 

R94LSi

98

100

102

104

106

108

110

115

120

125

130

135

140

150

160

185

R98LSi

R98LSi-ASME

 

 

 

 

 

 

 

 

 

 

 

 

 

*

*

*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Temp in Celsius ºC

37

38

39

40

41

42

43

46

49

52

54

57

60

66

71

85

*

*

*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*MCC-91 Temperature Controller

These settings require the MCC-91 controller. When the MCC-91 controller is connected, these higher temperatures are available on all controller models in the system. Use of an MCC-91 controller in a residential dwelling will reduce the warranty coverage to that of a commercial warranty application.

The MCC-91 controller is intended for commercial and hydronic applications only. If an MCC-91 controller is used in a residential dwelling for a hydronics application, a mixing valve must also be installed to limit the potable hot water temperature to a safe temperature. Water temperatures over 125º F (51º C) can cause severe burns or scalding. Refer to the Danger Alert on water temperatures. Rinnai shall not, in any event, be liable for damages resulting from such misuse or misapplication.

Suggested temperatures are

Kitchen

120 ºF (49º C)

Shower

98º - 110º F (37º - 43º C)

Bath Fill

102º - 110º F (39º - 43º C)

These temperatures are suggestions only.

A temperature lower than 98º F (37º C) can be obtained at the tap by mixing with cold water.

To change the temperature scale from Celsius to Fahrenheit or vice versa, press and hold the “On/Off” button for 5 seconds while the water heater is OFF.

Setting the Sound Volume (Voice Prompt)

MC-100VPress the “Function” button to adjust the voice prompt volume. The default sound volume is set to Medium. Each subsequent press of the ▲ or ▼ button cycles through the volume levels in the order below.

Medium Volume

High Volume

Off Volume

(default)

(beep)

 

BC-100VPress the “Sound Vol.” button to adjust the voice prompt volume. The default sound volume is set to Medium. Each subsequent press of the button cycles through the volume levels in the order below.

Off Sound

Low Volume

(no beep)

 

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.