This appliance may be installed as an OEM installation in a manufactured home (USA only) or mobile home and must be installed in accordance with the manufacturer’s instructions and the Manufactured Home construction and Safety Standard, Title 24 CFR, Part 3280, in the United States, or the Mobile Home Standard, CAN/CSA Z240 MH Series, in Canada.

This appliance may be installed in an aftermarket, permanently located, manufactured home (USA only) or mobile home, where not prohibited by local codes.

This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases, unless a certified kit is used.

Table of Contents

Consumer Safety Information

 

Safety Definitions

3

Safety Behaviors and Practices

3

Safety Features

4

Specifications

 

Appliance Specifications

4, 5

Features

5

Flue Manifolds

5

Operating Instructions

 

Getting to Know your

 

New Heating Appliance

6

Control Panel

7

ON/OFF

7

Child Lock

7

Setting the Clock

8

Operating the Heater Manually

8

Setting and Operating the Timers

8

Override Function

9

Economy (Energy Saving Mode)

9

Set back

10

Humidifier and Airflow Direction

10

Adding Water to the Humidifier

10

Adjusting Air Flow Direction

10

Care and Maintenance

11

Maintenance

11

Care of Exterior

11

Snow Accumulation

11

Filters

11

Visual Inspection of Flame

11

Before Making a Service Call

12

Fault Codes

13

Restart Function

14

Troubleshooting

14

Installation Instructions

 

General Instructions

15

Gas Connection

16

Clearances to Combustibles

16

Attach Back Covers (Sides Only)

16

Dimensions

17

Flue Terminal Clearances

18,19

Installation Parts

20

Drilling Flue Hole

21

Flue Manifold Installation

22, 23

Extension Kit Installation

24-26

Connecting the Appliance

27

Adjust Gas Pressure Settings

28, 29

Normal Operating Sequence

29

Visual Inspection of Flame

29

Final Assembly

29

Operating Instructions

30

Cut-Away Diagram

31

Wiring Diagram

32

Ladder Diagram

33

Parts List

34-43

Consumer Support

 

Warranty Information

44

Limited Warranty

44, 45

State Regulations

46

French Version

47-81

2

Rinnai Corporation EX17C / EX22C Manual

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Rinnai EX22C (RHFE-559FTA), EX17C (RHFE-434FTA) installation manual Table of Contents

EX17C (RHFE-434FTA), EX22C (RHFE-559FTA) specifications

The Rinnai EX17C (RHFE-434FTA) and EX22C (RHFE-559FTA) are innovative wall-mounted gas heaters that provide efficient and cozy heating solutions for indoor spaces. Manufactured with advanced technology, these models are designed to meet diverse heating needs while ensuring user comfort and safety.

One of the standout features of both the EX17C and EX22C is their energy efficiency. With a high energy star rating, these heaters minimize energy consumption, making them ideal for environmentally conscious consumers. The EX17C can deliver an impressive 17 kW of heating power, while the EX22C offers up to 22 kW, accommodating various room sizes and layouts effectively.

Both models utilize Rinnai’s advanced direct vent technology. This system allows fresh air from outside to be used for combustion, ensuring optimal heating performance without depleting indoor oxygen levels. This feature not only enhances comfort but also contributes to improved indoor air quality. Additionally, the closed combustion system ensures that exhaust gases are safely vented outside, providing a safer environment for occupants.

In terms of design, the EX17C and EX22C are sleek and modern, fitting seamlessly into various interior styles. Their wall-mounted configuration saves floor space, making them suitable for smaller rooms or homes where space optimization is a priority. The adjustable heat settings enable users to customize their heating preferences according to the season or personal comfort levels.

User convenience is a core aspect of both models, which come equipped with an intuitive electronic control panel. This feature allows for easy temperature adjustments and scheduling, ensuring that optimal heat levels can be maintained without constant manual intervention. Some models also offer remote control capabilities, enhancing usability for consumers.

Safety is paramount in Rinnai's design philosophy, and the EX17C and EX22C include multiple safety features such as flame failure detection and automatic shut-off. These mechanisms ensure that any irregularities in operation are promptly addressed, providing peace of mind for homeowners.

In conclusion, the Rinnai EX17C and EX22C offer modern, energy-efficient heating solutions with advanced technology, user-friendly features, and a focus on safety. These models are ideal choices for anyone looking to enhance their indoor heating experience while maintaining energy efficiency and comfort.