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Table of Contents

Specifications

3

Consumer Safety Information

 

 

Safety Definitions

4

Safety Behaviors and Practices

4

Safety Features

4

Description of Operation

4

Operating Instructions

 

 

Features Available on Temperature

 

 

Controllers

5

Temperature Controllers - Models

6, 7

How to Set the Temperature

8

Setting the Sound Volume (Voice Prompt)

8

Temperature Controller Settings

9

Temperature Options Without

 

 

a Temperature Controller

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

Setting the Clock

11

Maintenance

 

 

Cleaning

12

Vent System (V53i)

12

Air Intake and Exhaust (V53e)

12

Motors

12

Temperature Controller

12

Lime / Scale Build-up

12

Snow Accumulation

12

Visual Inspection of Flame

12

Error Codes

 

 

Front Panel Display Indication

13

Error Code Table

13,14

Trouble Shooting for Common Issues

15

Accessing Operating Information

15

Water Quality

15

Flushing the Heat Exchanger

 

 

(Error Code: LC or 00)

16

Installation Instructions

17

General Instructions

17

Clearances from Appliance

18

Attachment of the Water Heater

18

Electrical Connection

19

Gas Piping

19

General Instructions

19

Pipe Sizing Procedure - Example

20

Water Piping

 

 

General Instructions

21

Pressure Relief Valve

21

Freeze Protection

21

Freeze Protection Methods

22

Manual draining of the water heater

22

Running a low volume of water through

the water heater to prevent freezing

22

When the water heater or external

 

piping has frozen

22

Freeze Protection Piping

23

Error Indication or Air Handler

 

Control Switch

24

Recommended Piping for Basic Installation.. 24

Recommended Piping for

 

Circulation Systems

25

Optional Piping for Circulation Systems

26

Venting Instructions (V53i)

 

Intake / Exhaust Guidelines

27

Condensate

27

Maximum Vent Length

28

Vent Products

28

Flue Installation - Concentric Venting (V53i) . 29

Flue Terminal Clearances

 

(ANS Z21.10.3, CSA 4.3)

30

Additional Clearances (V53i)

31

Additional Clearances (V53e)

32

Connecting Multiple Water Heaters

33

High Altitude Installations

33, 34

Temperature Controller Installation

 

Location

35

Configurations

35

Cable Lengths and Size

35

Mounting the Controller (V53i)

36

Mounting the Controller (V53e)

37

Operating Instructions

38

Technical Data

 

Pressure Drop Curve

39

Outlet Flow Data

39

Space Heating

40

Dimensions

41

Ladder Diagrams

42, 43

Consumer Support

 

Warranty Information

44

Limited Warranty

44, 45

State Regulations

46

French Version

47-63

2

V53i & V53e Operation and Installation Manual

Page 2
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Rinnai V53E, V53I installation manual Table of Contents

V53I, V53E specifications

When it comes to reliable and efficient tankless water heaters, Rinnai stands out with its exceptional models, the V53I and V53E. These units are designed to provide a continuous supply of hot water, making them ideal for a variety of applications, from residential homes to small commercial settings.

The Rinnai V53I is an indoor model that boasts advanced technology and a compact design. Its main feature is the ability to deliver up to 5.3 gallons of hot water per minute, depending on the inlet water temperature, which ensures that households can enjoy multiple hot water outlets simultaneously without the fear of running out. The unit employs advanced energy efficiency standards, which can lead to increased savings on energy bills. Additionally, it comes equipped with the Rinnai Circ-Logic technology, enabling users to set recirculation patterns that ensure hot water is readily available when needed.

On the other hand, the Rinnai V53E is engineered for outdoor installation, with weatherproof capabilities that make it resilient against the elements. Just like the V53I, it produces up to 5.3 gallons per minute, ensuring ample hot water supply. Both models are equipped with a patented heat exchanger system, designed for optimal performance and performance longevity. This means that users can rely on consistent hot water production over the lifetime of the unit.

One of the standout characteristics of these models is their compact design, making them easy to install even in tight spaces. Rinnai’s tankless technology eliminates the need for bulky storage tanks, allowing for more functional residential and commercial space. The durability and reliability of both models are further reinforced by a commercial-grade heat exchanger that can withstand high-demand situations.

From a safety perspective, both the V53I and V53E include multiple safety features, such as freeze protection and a range of venting options, providing peace of mind to users. Rinnai also emphasizes sustainability, with their units promoting reduced energy consumption and emissions compared to traditional water heating systems.

In summary, the Rinnai V53I and V53E models offer advanced technology, efficient performance, and user-friendly characteristics. Whether indoors or outdoors, these tankless water heaters are designed to meet the demands of modern living while contributing to energy savings and environmental sustainability. With Rinnai’s reputation for quality and reliability, homeowners and business owners alike can trust these models to deliver uninterrupted hot water, season after season.