FOR HVAC INSTALLER ONLY AND HOMEOWNER

The ventilation indicator “O” will be displayed whenever the unit is ventilating. The fan operation indicator “O” will also be lit.

There are three damper operation modes, “OPEN – hold,” “CLOSED – hold” and “PROGRAM” (denoted by “ON TIME”

–“OFF TIME.” Refer to section 3.8). With the damper in the “OPEN – hold” mode, the damper will be open and the fan of the system will be operating in order to introduce fresh air into the space. Use this mode for continuous fresh air ventilation. The fan is always on when the damper is open. When in “CLOSED

–hold” mode, the damper will not open and the system will not ventilate.

When in the “program” mode, the control will operate the damper and fan (ventilate) according to the programmed ventilation schedule (See Section 3.8).

To set the damper operation:

1.Press the “VENT” button. The current setting will begin to flash on the display. Release the button.

2.Press the “VENT” button again to toggle between “open,” “closed” and “program.”

3.Leave the control alone for 10 seconds to select the indicated damper mode and return to “home.”

5.3H Intermittent or Programmed Ventilation

This example shows the damper in “PROGRAM” mode (denoted by the schedule 15 minutes on, 5 minutes off).

The status of the damper is show here. is open, blank is closed.

The system will operate the ventilation function according to the current ventilation program. The control needs to be programmed to turn the ventilation function on and off at the desired intervals. This is done by programming the ventilation timer.

There are two programs available for ventilation Monday through Friday. There are also two programs for Saturday and Sunday. No other choice of days is available.

Each program has:

•A “START” time of day when the ventilation schedule begins.

•An “OPEN FOR” duration for the amount of time the damper stays open in 5 minute intervals, from 0 to 60.

•A “CLOSED FOR” duration which closes the vent for a specified time in 5 minute intervals from 0 to 60.

Example:

1.Press “program enter” button. The following menu appears:

2.Using the up/down RH buttons, select “program.” The following menu appears:

You can select from:

“MON-FRI”or “SAT-SUN” for separate weekday/weekend schedules or “MON-SUN”which gives you equal weekday/ weekend schedules.

Menu when you select “MON-FRI”or “SAT-SUN”:

1.Enter the starting time for weekdays using the up/down RH keys to change the time.

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

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Therma-Stor Products Group 90H owner manual 3H Intermittent or Programmed Ventilation
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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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