Remote Controllers - Models

MC-91-1US & MCC-91-1US

Dimensions (inches): 3.5 W x 4.75 H x 0.75 D

The MC-91 controller allows a maximum temperature setting of 140º F. The MCC-91 controller is for commercial and hydronic applications requiring higher temperatures. When the MCC-91 controller is connected, these higher temperatures are available on all controller models in the system. Refer to the section on temperature ranges.

In Use

Indicator

Temperature

Display

Thermostat

Priority

Indicator

Priority Button

ON/OFF Button

MC-502RC-1US-S * (Wireless)

Dimensions (inches): 4.33 W x 5.90 H x 1.16 D

Temperature

Priority

Indicator

Display

 

 

In Use

Thermostat

Indicator

ON/OFF

Priority

Button

Button

*Requires the transceiver, MC-502RC-1US-M, to be connected to the water heater.

Refer to the MC-502RC-1US-S manual and the Wireless Controller Installation Instructions for complete details on features, operation, and installation.

6

VA Series Indoor LS Manual

Page 6
Image 6
Rinnai REU-VA3237FFU installation manual Remote Controllers Models, MC-91-1US & MCC-91-1US

REU-VA3237FFU specifications

The Rinnai REU-VA3237FFU is a high-efficiency gas continuous flow water heater designed to provide instant hot water on demand. It is particularly well-suited for households that require a reliable source of hot water while maximizing energy savings. This unit boasts impressive features that set it apart in the market, catering to both residential and commercial applications.

One of the standout characteristics of the REU-VA3237FFU is its energy-efficient design. With an impressive energy factor of 0.89, this model delivers exceptional performance, maximizing energy use and minimizing waste. The continuous flow technology means that there is virtually no wait time for hot water, making it ideal for busy households with multiple points of use.

The REU-VA3237FFU employs advanced temperature control technology. It features an intelligent digital controller that allows users to easily set their desired water temperature. This ensures consistent delivery of hot water at the desired temperature, enhancing comfort while also promoting safety by reducing the risk of scalding. The model also incorporates a safety lock function that can prevent accidental changes to the temperature setting.

In terms of durability and design, the Rinnai REU-VA3237FFU showcases high-quality build materials that contribute to its longevity. The stainless steel heat exchanger is resistant to corrosion, ensuring a long life expectancy and reliable performance over time. Additionally, the compact design makes it easy to install in tight spaces, whether indoors or outdoors, adapting to various installation environments.

Moreover, the Rinnai REU-VA3237FFU features a low NOx emission system, aligning with environmental standards and regulations. This eco-friendly technology makes it an excellent choice for environmentally conscious consumers looking to reduce their carbon footprint while enjoying the benefits of modern hot water systems.

The Rinnai REU-VA3237FFU is also equipped with a self-diagnostic system, which allows for easier maintenance and troubleshooting. This feature increases the unit's reliability by monitoring its performance and alerting users to any potential issues before they develop into significant problems.

In summary, the Rinnai REU-VA3237FFU is a standout continuous flow water heater that combines energy efficiency, durability, and advanced technology. With its smart temperature control, compact design, and environmentally friendly features, it is an outstanding choice for anyone seeking a dependable and efficient hot water solution.