Control Panel

Sensible Temperature Control

The sensible temperature control feature allows comfortable heating which matches the conditions in the room.

Based on the information collected by the room temperature thermistor when the heating starts, the heating capacity is automatically adjusted to achieve a

comfortable heating effect and to reach the temperature setting quickly.

Occasionally, the room temperature may briefly exceed the temperature setting due to the layout of the room or heating area.

Display

After the heater is turned on and begins operating, the display will dim. The display will turn off when the heater is turned off. While programming the timers the display will turn off several seconds after a button is last pushed.

Fahrenheit or Celsius

1.The heater must be turned off.

2.Press the Timer 1 and Timer 2 button at the same time for about 5 seconds. The display will show “ºC” or “ºF”.

3.Use the arrow keys to select the temperature scale.

4.Press the ON/OFF button.

ON / OFF

Press the ON/OFF button to operate the heater. The ON indicator will glow green. Once the burner ignites the ON indicator will glow red. When the heater warms up, the fan will automatically start.

To turn the heater off, press the ON/OFF button. The ON indicator light will go out. The fan will continue to operate for several minutes after the burner has gone out in order to cool the heater. Do not unplug the heater while the fan is running.

Child Lock

The Child Lock will help to prevent accidental operation of the appliance and to prevent children from operating the appliance.

To activate Child Lock, press the Child Lock button. The indicator will light and a beep will sound.

To deactivate Child Lock, press the Child Lock button and hold for about 2 seconds. The indicator light will go out and a beep will sound.

The lock can be activated when the heater is ON or OFF.

If activated while the heater is ON, all controls other than the OFF switch will be locked.

If activated while the heater is OFF, then all controls will be locked.

If the heater is turned off while the Child Lock is activated, it cannot be turned on again until the lock is deactivated.

Deactivating the lock releases the control buttons.

Rinnai Corporation EX17C / EX22C Manual

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Rinnai EX17C (RHFE-434FTA) Control Panel, Child Lock, Sensible Temperature Control, Display, Fahrenheit or Celsius

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.