Technical Data

Pressure Drop Curve

 

45

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

90

 

 

 

 

 

 

 

 

 

 

35

 

 

 

R94LSi

 

R98LSi

 

 

 

 

 

 

 

80

(ft head)

(psi)

30

 

 

R75LSi

 

 

70

 

 

 

 

 

 

 

 

 

 

 

 

60

Loss

25

 

 

 

 

 

Loss

 

 

 

 

 

 

 

 

R50LSi

 

 

 

50

 

 

 

 

 

 

Pressure

20

 

 

 

 

 

Pressure

 

 

 

 

 

 

 

 

 

 

 

 

40

15

 

 

 

 

 

 

 

 

 

 

 

 

30

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

0

 

 

0

2

4

6

8

10

12

 

Water Flow Rate (gpm)

Outlet Flow Data

Water Flow Rate (gpm)

10

R98LSi

 

 

 

 

 

 

 

 

 

 

 

9

R94LSi

 

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

7

R75LSi

 

 

 

 

 

6

 

 

 

 

 

 

5

R50LSi

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

2

 

 

 

 

 

 

1

 

 

 

 

 

 

0

 

 

 

 

 

 

0

25

50

75

100

125

150

delta T - Temperature Rise (ºF)

38

VA Series Indoor LS Manual

Page 38
Image 38
Rinnai REU-VA3237FFU installation manual Technical Data, Pressure Drop Curve, Outlet Flow Data

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.