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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

5

Operating Instructions

 

Features Available on Temperature

 

Controllers

5

Temperature Controller

6

How to Set the Temperature

7

Temperature Controller Settings

7, 8

Temperature Options Without

 

a Temperature Controller

8

Setting the Sound Volume

8

Using the Water Smart / Bath Fill Function

Overview

9

Setting the Water Volume

9

Filling the Tub

10

Setting Controller to Mute

10

Setting the Clock

10

Maintenance

 

Cleaning

11

Vent System

11

Air Intake

11

Motors

11

Temperature Controller

11

Lime / Scale Buildup

11

Snow Accumulation

11

Visual Inspection of Flame

11

Error Codes

 

Error Code Table

12,13

Trouble Shooting for Common Issues

14

Accessing Operating Information

14

Water Quality

14

Flushing the Heat Exchanger

15

(Error Code: LC or 00)

 

Installation Instructions

16

General Instructions

16

Clearances from Appliance

17

Attachment of the Water Heater

17

Electrical Connection

18

Error Indication or Air Handler Control Switch18

Gas Piping

 

General Instructions

18

Pipe Sizing Procedure - Example

19

Water Piping

 

Isolation Valves and

 

Pressure Relief Valves

20

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

Venting Instructions

 

Intake / Exhaust Guidelines

25

Condensate

25

Maximum Vent Length

26

Vent Products

26

Flue Terminal Clearances

 

(ANS Z21.10.3, CSA 4.3)

27

Additional Clearances - Vent Terminal

 

(RC80i, RC98i)

28

Additional Clearances

 

(RC80e, RC98e)

29

Flue Installation (RC80i, RC98i)

30

Connecting Multiple Water Heaters

31

High Altitude Installation

31

Temperature Controller Installation

 

Location

33

Configurations

33

Cable Lengths and Size

33

Mounting the Controller

34

Operating Instructions

35

Technical Data

 

Pressure Drop Curve

36

Outlet Flow Data

36

Space Heating

37

Dimensions

38

Ladder Diagram

39

State Regulations

40

Consumer Support

 

Warranty Information

41

Limited Warranty

41, 42

French Version

43-62

2

Manual - Rinnai Condensing Water Heaters

Page 2
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Rinnai RC80I, RC98I, RC98E, RC80E installation manual Table of Contents

RC80E, RC80I, RC98E, RC98I specifications

The Rinnai RC80E, RC98I, RC98E, and RC80I are high-efficiency tankless water heaters that exemplify leading-edge technology and engineering. Designed to meet the demands of modern households, these units provide continuous hot water while offering energy savings and compact sizes.

Starting with the RC80E, this model features a maximum flow rate of 8 gallons per minute, making it suitable for smaller homes or multi-family settings. It incorporates Rinnai's Circ-Logic technology, allowing homeowners to customize their hot water recirculation. This means users can schedule hot water availability, ensuring comfort while minimizing water waste.

The RC98I and RC98E models elevate performance, boasting a maximum flow rate of 9.8 gallons per minute. The "I" in RC98I stands for internal, indicating its built-in temperature control and Wi-Fi connectivity options. This allows for remote monitoring and control via a smartphone app, enhancing user convenience. In contrast, the "E" in RC98E indicates it has an external setting, providing flexibility for homeowners seeking installation options that cater to their specific needs.

All four models feature Rinnai’s condensing technology, which utilizes a dual heat exchanger design for superior efficiency. This not only lowers energy costs but also reduces CO2 emissions, aligning with eco-friendly standards. Additionally, they operate at an impressive Uniform Energy Factor (UEF), which is crucial for energy-conscious homeowners.

Safety is a significant consideration in Rinnai’s design philosophy. The RC80E, RC98I, RC98E, and RC80I come equipped with multiple safety features, including overheating protection and venting safeguards, ensuring peace of mind during operation. Their compact size allows for versatility in installation, fitting into tight spaces and freeing up valuable room in your home.

Moreover, these water heaters are designed for longevity, featuring a durable construction that resists corrosion. Rinnai's commitment to quality is evident in their extensive warranty, proving their confidence in the product’s reliability.

In summary, the Rinnai RC80E, RC98I, RC98E, and RC80I units represent a blend of advanced technology, efficiency, and convenience. With significant flow rates, innovative features like Circ-Logic and Wi-Fi compatibility, as well as robust safety measures, they are an excellent choice for any homeowner looking to enhance their hot water experience while promoting energy efficiency.