Setting Controller to Mute, Setting the Clock

Rinnai RC80I, RC98I, RC98E, RC80E Setting Controller to Mute, Setting the Clock, Filling the Tub

Using the Water Smart / Bath Fill Function

Filling the Tub

ON! COLD

HOT

1.Press the “Water Smart / Bath Fill” button once. The button will illuminate, and a tone will sound.

2.The voice prompt will announce “The hot water system is ready. Open the hot water tap.”

Make sure the water volume is set. Refer to “Setting the Water Volume” on the previous page. Open the hot water tap. The “In Use” indicator will illuminate on MC-100V and BC-100V controllers. The hot water will begin to flow.

ON! COLD

3.When the preset volume of water has been produced then

HOT

•the water flow will cease

•the “Water Smart / Bath Fill” button will flash

•a tone will sound

•the voice prompt will announce, “Bath fill is complete. Turn off the bath hot water tap and push the Bath Fill button.”

4.Turn off the bath hot water tap and push the Bath Fill button. The water heater will not allow hot water to flow from any source until the “Water Smart / Bath Fill” button is pushed.

The button light will go out.

Setting Controller to Mute

Models MC-91 and MCC-91

To eliminate the beeps when keys are pressed or to turn the beeps back on, press and hold both the ▲and ▼ buttons until a beep is heard (approximately 5 seconds).

Setting the Clock

MC-100VPress the “Function” button twice within 10 seconds to set the clock. Press the ▲ or

▼button to reach the desired time. The clock on the BC-100V automatically shows the time which has been set on the MC-100V.

10	Manual - Rinnai Condensing Water Heaters

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.