FOR HVAC INSTALLER AND HOMEOWNER

8.Verify additional optional control operations such as fan interlock or lockout.

9.Proceed to operation/setting section.

FOR INSTALLER & HOMEOWNER:

5.3Operation 5.3A Display

•When there is power to the control, the control display will show the time, day, humidity, and temperature.

•When the control is turned on, the setpoint, fan status, auto/hold mode, and fresh air vent status is displayed.

•When a key is pressed the display will light.

•The “Time” and “Day” is displayed at the top of the screen.

•RH and Temperature are displayed in real time.

•An “O” before the set point, vent, or fan indicates the unit is operating the device.

•A flashing “O” before the set point, vent, or fan indicates the unit is in a delay prior to operating the device.

Note: Delay is an intentional factory installed time delay cycle that is meant to prevent short cycles, extending the life of the Ultra-Aire. If a delay is encountered, WAIT 10 MINUTES BEFORE EXPECTING NORMAL OPERATION.

5.3B Setting

During the set-up process, if you make a mistake, simply continue. You can always go back to adjust the settings. If you leave the control alone and don’t touch any buttons for 10 seconds, the control will remember any changes made and return to “home.”

5.3C On/Off Setting

Press the “ON/OFF” button to turn the system on or off. When the system is on, the setpoint, fan status, auto/hold mode, and fresh air vent status is displayed. In the off mode, the control will show the time, day, humidity, and temperature. When the unit is shipped, it is in manual mode.

5.3D Setting Clock Time

1.Press and hold the “CLOCK” button. The hour display will flash. Release the button.

2.Use the “UP/DOWN RH” buttons to change the value.

3.Press the “CLOCK” button again and the minute display will flash. Use the RH buttons to change the value.

4.Press the “CLOCK” button again and the “AM/PM” display will flash. Use the RH buttons to toggle the value.

5.Press the “CLOCK” button again and the day display will flash. Use the “RH” buttons to change the value.

If the “CLOCK” button is pressed again or no button is pressed for 5 seconds, the display will automatically return to “home.”

5.3E Setting Relative Humidity Setpoint

The relative humidity setpoint (the average RH that is maintained) operates the dehumidifier function of the Ultra- Aire. It has no effect on any other function of the unit. The control senses the ambient relative humidity of the space in which it is located.

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Ultra-Aire 90H Installer’s & Owner’s Manual

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Therma-Stor Products Group 90H 3B Setting, 3C On/Off Setting, 3D Setting Clock Time, 3E Setting Relative Humidity Setpoint
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90H specifications

Therma-Stor Products Group 90H is a cutting-edge climate control solution designed for both residential and commercial applications. Renowned for its efficiency and reliability, the 90H model stands out due to its advanced features that cater to various environmental conditions.

One of the key highlights of the Therma-Stor 90H is its dual functionality as both a dehumidifier and an air exchanger, making it a versatile choice for maintaining optimal indoor humidity levels. The unit is engineered to handle spaces up to 2,500 square feet, making it ideal for basements, crawl spaces, and larger living areas.

Incorporating state-of-the-art technologies, the 90H operates using an energy-efficient compressor that significantly reduces power consumption. This not only minimizes operational costs but also contributes to a more environmentally friendly solution. Furthermore, the unit is equipped with variable-speed fans that ensure quiet operation while delivering consistent airflow throughout the space.

Another notable feature of the Therma-Stor 90H is its advanced control system. The integrated humidity control allows users to set precise humidity levels, ensuring that air quality is maintained at optimal levels. The built-in hygrometer continuously monitors indoor humidity, automatically adjusting the unit’s performance to provide the most efficient dehumidification possible.

Durability and ease of use are also key characteristics of the 90H. Constructed with high-quality materials, the unit is designed to withstand the rigors of continuous operation. Its compact design allows for easy installation and portability, making it suitable for virtually any setting.

Additionally, the Therma-Stor 90H features a user-friendly interface with intuitive controls, allowing users to monitor and adjust settings effortlessly. The unit also includes a convenient drainage system, enabling continuous operation without the need for constant manual intervention.

In summary, the Therma-Stor Products Group 90H is an innovative solution for effective moisture management. With its dual-functionality, energy-efficient operation, advanced humidity control, and robust construction, it stands out as a premier choice for maintaining a healthy indoor environment. Ideal for both residential and commercial use, the 90H redefines how we think about climate control and air quality.
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