Safety Features

Overheat: The appliance will automatically shut down when the appliance exceeds a predetermined temperature.

Flame Failure: The appliance will automatically shut down if the burner flame is extinguished.

Power Failure: The appliance will shut off the gas if it loses electrical power.

Power Surge Fuse: A glass fuse on the PC board protects against overcurrent. If the fuse blows then all indicator lamps will be off.

Spark Detector: The appliance automatically shuts down if there is an abnormal spark at ignition.

Fusible Link: In case the overheat feature does not prevent an overheat then the fusible link could break, shutting off the appliance.

Specifications

Appliance Specifications

 

EX17C

 

EX22C

Application

For manufactured home (USA only) or mobile home or residential installation convertible

 

for use with natural gas and liquefied petroleum gases (propane / LPG) when provision is

 

made for the simple conversion from one gas to the other.

 

 

For commercial setting.

 

 

 

 

For installation at altitudes up to 10,200 feet (3109 m).

 

General Description

Forced combustion, forced convection, flued gas furnace

 

 

 

 

 

 

Operation

Push button electronic

 

 

 

 

 

 

 

 

Gas Connection

1/2 in male NPT

 

 

 

 

 

 

 

 

Gas Control

Electronic

 

 

 

 

 

 

 

Burners

Stainless steel Bunsen burner

 

 

 

 

 

Temperature Control

Electronic thermostat, (Low, 60-80ºF in 2ºF increments, High)

 

 

 

 

 

 

Ignition System

Electronic spark ignition

 

 

 

 

 

Flue System

The flue must be terminated to atmosphere with only flue components listed with the

 

appliance’s certification. Warranty will be voided if non listed components are installed.

 

 

 

 

Humidifier Tray

Capacity - 2.1 pints (1000 cc)

 

 

 

 

 

Electrical Connection

AC 120V, 60 Hz, 46 watts

AC 120V, 60 Hz, 56 watts

 

 

 

 

 

Standby Power

0.5 watt

 

 

 

 

 

 

 

 

Weight

57 lbs (26 kg)

 

 

 

 

 

 

 

 

Noise Level

33-38 dB

 

33-42 dB

 

 

 

 

 

 

AFUE Rating

Natural Gas: 81%

Propane: 82%

Natural Gas: 80%

Propane: 82%

 

 

 

 

 

Rinnai is continually updating and improving products. Therefore, specifications are subject to change without prior notice.

The efficiency rating of this appliance is a product thermal efficiency rating determined under continuous operating conditions and was determined independently of any installed system.

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Rinnai Corporation EX17C / EX22C Manual

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Rinnai EX22C (RHFE-559FTA), EX17C (RHFE-434FTA) installation manual Safety Features, Appliance Specifications

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.