Rinnai REU-VA3237FFU Recommended Piping for Circulation Systems, For this application

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Recommended Piping for Circulation Systems

Notes:

PLEASE NOTE FOR RESIDENTIAL AND COMMERCIAL APPLICATIONS, THIS PIPING ARRANGEMENT MAINTAINSFULL WARRANTY

For this application:

Pump should be controlled by an Aquastat, Timer or Combination Aquastat and Timer.

Pump to be sized to maintain circulation loop temperature.

The pump should be sized to overcome the pressure loss through the tank water heate r, and supply and return plumbing. Reference the Rinnai Hot Water System Design Manual, Pump Sizing for Circulation.

Pump to be of bronze or stainless construc - tion.

Rinnai

Water Heater

Rinnai

QTY

Equipment List

Rinnai

1

Water Heaters

 

RIK-KIT (Optional)

1

(3/4" Fittings Include:

 

2

Unions, 2 Ball Valves,

 

2

Drain Valves and

 

1

Pressure Relief Valve.)

 

3/4" Gas Connection

 

Gas Supply

Minimum 3/4" Cold Water Supply Line

IMPORTANT: Connect the building return line to the hot water supply line as close as possible to the Rinnai Water Heater.

Tank Water Heater to be Sized for Heat Loss of Circulation Loop.

Electric Water

Heater

Building Supply

Building

Fixtures

Expansion Tank

 

KEY

3/4" Ball Valve

Pressure Regulator

 

3/4" Union

Circulating Pump

Check Valve

Boiler Drain Valve

Pressure Relief Valve

S Solenoid Valve

This is not an engineered drawing, it is intended only as a guide and not as a replacement for professionally engineered project drawings. This drawing is not intended to describe a complete system, it is up to the contractor/engineer to determine the necessary components for and configuration of the particular system being installed. The drawing does not imply compliance with local building code requirements. It is the engineer/contractor responsiblity to ensure the installation is in accordance with all local building codes. Confer with local building officials before installation.

24

VA Series Indoor LS Manual

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Contents REU-VA3237FFU ANS Z21.10.3 CSATable of Contents Specifications R98LSiConsumer Safety Information Safety DefinitionsSafety Behavior and Practices Safety Features Features Available on Remote Controllers FeaturesDescription of Operation Operating InstructionsRemote Controllers Models MC-91-1US & MCC-91-1USBC-100V-1US Setting the Temperature Temperature Options Without a Remote ControllerTemperature Ranges Setting the Sound Volume Voice PromptSetting the Clock Model Temperature Settings Available ºFUsing the Water Smart / Bath Fill Function Setting the Water VolumeOverview Setting Controller to Mute Filling the TubModels MC-91 and MCC-91 Maintenance Error Codes Error Code TableError Fault Remedy Code Trouble Shooting for Common Issues Accessing Operating InformationWater Quality Flushing the Heat Exchange Error Code LC or Rinnai Water HeaterInstallation Instructions General InstructionsClearances from Appliance Attachment of the Water HeaterElectrical Connection Gas PipingGeneral Instructions Pipe Sizing Procedure Example Water Piping Pressure Relief ValveFreeze Protection 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 PartsVenting Instructions Intake / Exhaust GuidelinesCondensate Maximum Vent Length Vent Products Manufacturer Product PartsTermination 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 Flue Installation R98LSi, R98LSi-ASME Air Intake AssemblyExhaust Pipe Assembly Venting Clearances to CombustiblesHorizontal with Concentric Termination Vertical TerminationsHigh Altitude Installations Connecting Multiple Water HeatersNumber of Connected Water Heaters Accessories Necessary GuidelinesRemote Controller Installation ConfigurationsLocation Cable Lengths and SizeSecuring screw Wiring hole 21/32 For Your Safety Read Before Operating Operating InstructionsTechnical Data Pressure Drop CurveOutlet Flow Data Space Heating Dimensions R50LSi, R75LSi, R94LSi R98LSi, R98LSi-ASMELadder Diagram HOTWarranty Information Limited WarrantyConsumer Support 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.
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