Rinnai REU-VA3237FFU installation manual Table of Contents

Page 2

R

R98LSi-ASME

This model has been built in accordance with the requirements of the ASME Boiler and Pressure Vessel Code and have received the Certificate of Authorization from the National Board. The heat exchanger on this unit has the NB and HLW stamps.

Table of Contents

Specifications

3

Consumer Safety Information

 

 

Safety Definitions

4

Safety Behaviors and Practices

4

Safety Features

4

Description of Operation

5

Operating Instructions

 

 

Features Available on Remote Controllers

......5

Remote Controllers - Models

6,7

Setting the Temperature

8

Temperature Options Without

 

 

a Remote Controller

8

Temperature Ranges

9

Setting the Sound Volume

9

Setting the Clock

9

Using the Water Smart Bath Fill Function

10

Overview

10

Setting the Water Volume

10

Filling the Tub

11

Setting Controller to Mute

11

Maintenance

 

 

Cleaning

12

Vent System

12

Motors

12

Remote Controller

12

Lime / Scale Buildup

12

Snow Accumulation

12

Visual Inspection of Flame

12

Error Codes

 

 

Error Code Table

13,14

Troubleshooting for Common Issues

15

Accessing Operating Information

15

Water Quality

15

Flushing the Heat Exchanger

16

(Error Code: LC or 00)

 

 

Installation Instructions

17

General Instructions

17

Clearances from Appliance

18

Attachment of the Water Heater

18

Electrical Connection

19

Gas Piping

 

General Instructions

19

Pipe Sizing Procedure - Example

20

Water Piping

 

General Instructions

21

Pressure Relief Valve

21

Freeze Protection

21

Freeze Protection Piping

22

Recommended Piping for Basic Installation ..23

Recommended Piping for

 

Circulation Systems

24

Optional Piping for Circulation Systems

25

Venting Instructions

 

Inlet / Exhaust Guidelines

26

Condensate

26

Maximum Vent Length

27

Vent Products

28

Flue Terminal Clearances

 

(ANS Z21.10.3 CSA 4.3)

29

Additional Clearances

30

Flue Installation - Concentric Venting

 

(R50LSi, R75LSi, R85LSi)

31

Flue Installation

 

(R98LSi, R98LSi-ASME)

32, 33

High Altitude Installation

34

Connecting Multiple Water Heaters

34

Remote Controller Installation

 

Location

35

Configurations

35

Cable Lengths and Size

35

Mounting the Controller

36

Operating Instructions

37

Technical Data

 

Pressure Drop Curve

38

Outlet Flow Data

38

Space Heating

39

Dimensions

40

Ladder Diagram

41

Consumer Support

 

Warranty Information

42

Limited Warranty

42, 43

2

VA Series Indoor LS Manual

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Contents REU-VA3237FFU ANS Z21.10.3 CSATable of Contents Specifications R98LSiSafety Behavior and Practices Safety Features Consumer Safety InformationSafety Definitions Description of Operation Features Available on Remote ControllersFeatures Operating InstructionsRemote Controllers Models MC-91-1US & MCC-91-1USBC-100V-1US Setting the Temperature Temperature Options Without a Remote ControllerSetting the Clock Temperature RangesSetting the Sound Volume Voice Prompt Model Temperature Settings Available ºFOverview Using the Water Smart / Bath Fill FunctionSetting the Water Volume Models MC-91 and MCC-91 Setting Controller to MuteFilling the Tub Maintenance Error Fault Remedy Error CodesError Code Table Code Water Quality Trouble Shooting for Common IssuesAccessing Operating Information Flushing the Heat Exchange Error Code LC or Rinnai Water HeaterInstallation Instructions General InstructionsClearances from Appliance Attachment of the Water HeaterGeneral Instructions Electrical ConnectionGas Piping Pipe Sizing Procedure Example Freeze Protection Water PipingPressure Relief Valve Freeze Protection Piping Rinnai Water HeaterRecommended Piping for Basic Installation QTYRecommended Piping for Circulation Systems For this applicationOptional Piping for Circulation Systems Years On Heat Exchanger Years On PartsCondensate Venting InstructionsIntake / Exhaust Guidelines Maximum Vent Length Termination Vent ProductsManufacturer Product Parts Area Where Bterminal is not Permittted Flue Terminal Clearances ANS Z21.10.3 CSAAdditional Clearances Vent Terminal Inside CornerFlue Installation Concentric Venting R50LSi, R75LSi, R94LSi Exhaust Pipe Assembly Flue Installation R98LSi, R98LSi-ASMEAir Intake Assembly Venting Clearances to CombustiblesHorizontal with Concentric Termination Vertical TerminationsNumber of Connected Water Heaters Accessories Necessary High Altitude InstallationsConnecting Multiple Water Heaters GuidelinesLocation Remote Controller InstallationConfigurations Cable Lengths and SizeSecuring screw Wiring hole 21/32 For Your Safety Read Before Operating Operating InstructionsOutlet Flow Data Technical DataPressure Drop Curve Space Heating Dimensions R50LSi, R75LSi, R94LSi R98LSi, R98LSi-ASMELadder Diagram HOTConsumer Support Warranty InformationLimited Warranty VA LS Series Period of Coverage from date of purchaseWhat will Rinnai do? Rinnai’s other fine products 103 International Drive

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.