Specifications

Model

 

R50LSi

R75LSi

R94LSi

R98LSi

 

R98LSi-

 

 

 

ASME

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Minimum Gas Consumption Btu/h

 

15,000

 

 

19,000

 

Maximum Gas Consumption Btu/h

150,000

180,000

199,000 Natural Gas

 

237,000

 

190,000 Propane Gas

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Hot water capacity (Min - Max) *

0.6 - 5.0 GPM

0.6 - 7.5 GPM

0.6 - 9.4 GPM

0.6 - 9.8 GPM

(2.3 - 18.9 L/min)

(2.3 - 28.4 L/min)

(2.3 - 35.5 L/min)

(2.3 - 37 L/min)

 

 

 

 

 

 

 

 

 

 

 

 

 

5.0 GPM

6.6 GPM

7.4 GPM(28 L/min)

 

8.8 GPM

 

Hot water capacity (45ºF rise)

Natural Gas

 

 

(18.9 L/min)

(25.0 L/min)

7.1 GPM(27 L/min)

(33 L/min)

 

 

 

 

 

 

Propane Gas

 

 

 

 

Default Temperature Setting (no controller)

 

 

120º F (49º C)

 

 

 

 

Remote Controller Default Temperature

 

 

104º F (40º C)

 

 

 

 

Setting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Maximum Temp Setting (Commercial **)

160º F (71º C)

 

185º F (85º C)

 

Maximum Temp Setting (Residential)

 

 

140º F (60º C)

 

 

 

 

 

 

 

 

 

 

 

 

 

Minimum Temperature Setting

 

 

98º F (37º C)

 

 

 

 

Weight

 

 

50 lb (23 kg)

 

55 lb (25 kg)

Efficiency Rating

 

 

 

84.0%

 

 

 

 

Noise level

 

 

 

49 dB

 

 

 

 

 

 

 

 

 

 

 

 

 

Electrical

Normal

53 W

65 W

79 W

 

99 W

 

Standby

 

 

2 W

 

 

 

 

Consumption

 

 

 

 

 

 

 

Anti-frost Protection

 

100 W

 

 

116 W

 

By-Pass Control

 

Fixed

 

Electronic

 

 

 

Minimum Gas Supply

Natural Gas

 

 

5.0 inch W.C.

 

 

 

 

Pressure

Propane

 

 

8.0 inch W.C.

 

 

 

 

Maximum Gas

Natural Gas

 

 

10.5 inch W.C.

 

 

 

 

Supply Pressure

Propane

 

 

13.5 inch W.C.

 

 

 

 

Type of Appliance

 

Direct Vent, Temperature controlled continuous flow gas hot water system.

Operation

 

With or without remote controls, mounted in kitchen, bathroom, etc.

 

 

 

 

 

 

 

Approved Gas Type

 

Natural Gas or Propane - Ensure unit matches gas type it's being installed on.

Connections

 

Gas Supply: 3/4" MNPT, Cold Water Inlet: 3/4" MNPT, Hot Water Outlet: 3/4" MNPT

Ignition System

 

 

Direct Electronic Ignition

 

 

 

Electric Connections

 

Appliance: AC 120 Volts, 60Hz. Remote Control: DC 12 Volts (Digital)

 

 

 

 

 

 

 

 

 

Water Temperature Control

 

Simulation Feedforward and Feedback.

 

 

 

Water Supply Pressure

Minimum Water Pressure: 20 PSI (Recommended 30-80 PSI for maximum performance)

 

 

 

 

 

 

 

 

 

Maximum Water Supply Pressure

 

 

150 PSI

 

 

 

 

Remote Control Cable

 

Non-Polarized Two Core Cable (Minimum 22 AWG)

 

*Minimum flow may vary slightly depending on the temperature setting and the inlet water temperature.

**for commercial and hydronic applications requiring higher temperatures.

Rinnai is continually updating and improving products. Therefore, specifications are subject to change without prior notice.

The maximum inlet gas pressure must not exceed the value specified by the manufacturer. The minimum value listed is for the purpose of input adjustment.

VA Series Indoor LS Manual

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Rinnai REU-VA3237FFU installation manual Specifications, R98LSi
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REU-VA3237FFU specifications

The Rinnai REU-VA3237FFU is a high-efficiency gas continuous flow water heater designed to provide instant hot water on demand. It is particularly well-suited for households that require a reliable source of hot water while maximizing energy savings. This unit boasts impressive features that set it apart in the market, catering to both residential and commercial applications.

One of the standout characteristics of the REU-VA3237FFU is its energy-efficient design. With an impressive energy factor of 0.89, this model delivers exceptional performance, maximizing energy use and minimizing waste. The continuous flow technology means that there is virtually no wait time for hot water, making it ideal for busy households with multiple points of use.

The REU-VA3237FFU employs advanced temperature control technology. It features an intelligent digital controller that allows users to easily set their desired water temperature. This ensures consistent delivery of hot water at the desired temperature, enhancing comfort while also promoting safety by reducing the risk of scalding. The model also incorporates a safety lock function that can prevent accidental changes to the temperature setting.

In terms of durability and design, the Rinnai REU-VA3237FFU showcases high-quality build materials that contribute to its longevity. The stainless steel heat exchanger is resistant to corrosion, ensuring a long life expectancy and reliable performance over time. Additionally, the compact design makes it easy to install in tight spaces, whether indoors or outdoors, adapting to various installation environments.

Moreover, the Rinnai REU-VA3237FFU features a low NOx emission system, aligning with environmental standards and regulations. This eco-friendly technology makes it an excellent choice for environmentally conscious consumers looking to reduce their carbon footprint while enjoying the benefits of modern hot water systems.

The Rinnai REU-VA3237FFU is also equipped with a self-diagnostic system, which allows for easier maintenance and troubleshooting. This feature increases the unit's reliability by monitoring its performance and alerting users to any potential issues before they develop into significant problems.

In summary, the Rinnai REU-VA3237FFU is a standout continuous flow water heater that combines energy efficiency, durability, and advanced technology. With its smart temperature control, compact design, and environmentally friendly features, it is an outstanding choice for anyone seeking a dependable and efficient hot water solution.
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