Setting the Clock, Setting the timers | Rinnai EX22C (RHFE-559FTA)

Setting the Clock

1. Press the “Set Times” button.

2. The light next to “Clock” should be lit. Press the up and down arrows to set the time. Holding down either of the arrow keys will change the time more quickly.

3. Press the “Set Times” button until none of the time options are lit up.

Operating the Heater Manually

1. Turn the heater on by pressing the “ON/OFF” button.

2. Press the up or down arrows to set the temperature. The left side of the display shows the temperature setting. The right side of the display shows the room temperature.

Setting and Operating the Timers

Confirm the clock is correct.

NOTE: The clock will have to be reset in case of a power failure. However the timers will retain their settings.

The heater will start before the programmed starting time in order to heat the room by the programmed starting time.

The timers can be set while the heater is on or off. To operate the timer, the heater must be on.

Setting the timers:

1. Press the “Set Times” button twice to set Timer 1.

2.The light next to “Timer 1 on” should be lit. Press the up or down arrows to set the start time. Holding down either of the arrow

keys will change the time more quickly.

3. Press the “Set Times” button again so that the Timer 1 off position is lit. Press the up or down arrows to set the end time. Holding down either of the arrow keys will change the time more quickly.

4.Press the “Set Times” button again to set the times for Timer 2. Follow the same steps above to set the start and end times.

5.Press the “Set Times” button until none of the time options are lit

up.

Operating the timers:

To operate the heater using a Timer, press the ON/OFF button and the appropriate Timer button. The heater will operate from the start to end times you have entered for that Timer. It will operate at the temperature setting that has been set for the heater. The timer can be set while the heater is operating.

8	Rinnai Corporation EX17C / EX22C Manual

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.

Rinnai EX22C (RHFE-559FTA) Setting the Clock, Operating the Heater Manually, Setting the timers

Models: EX17C (RHFE-434FTA) EX22C (RHFE-559FTA)