Operation

Select system mode

(EM HEAT/HEAT/OFF/COOL/AUTO)

Press [MODE] to select:

EM HEAT: (only for heat pumps with auxiliary heat) Thermostat controls auxiliary heat.. Heat pump will not operate in EM HEAT mode..

HEAT: Thermostat controls only the heating system..

OFF: Heating and cooling systems are off..

COOL: Thermostat controls only the cooling system..

AUTO: (if enabled in installer setup) Thermostat automatically selects heating or cooling depending on the indoor temperature..

Press [DONE] to save and exit, Or [CANCEL] to exit without saving.. The thermostat will save and exit if nothing is pressed within 10 seconds..

Change temperature set point

Press or to adjust the current set point. (See Program Schedule Holds on pages 27-30 for more information..)

Operation

Select fan setting (ON/AUTO/CIRC)

When the fan mode is changed during a program event it remains in that mode until the next event starts.. The fan must be programmed to FAN ON in the schedule to run continuously through all events..

Press [FAN] to select:

ON: Fan runs continuously.. Use this mode for maximum air circulation/filtering..

AUTO: Fan runs only when the heating or cooling system is on..

CIRC: Same as AUTO, but ensures the fan is on for at least 30 minutes per hour. Use this mode for a balance of energy savings and air circulation/cleaning..

Press [DONE] to save and exit, Or [CANCEL] to exit without saving.. The thermostat will save and exit if nothing is pressed within 10 seconds..

Clean Screen

Press [MENU] to enter the main menu..

Press [CLEAN SCREEN] to disable the touch screen for 30 seconds for cleaning..

Note: Use a soft damp cloth to clean the screen.. Use water or household glass cleaner. Do not spray liquids directly on the screen..

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Aprilaire 8620 owner manual Operation

8620 specifications

The Aprilaire 8620 is a cutting-edge thermostat designed to enhance home comfort while promoting energy efficiency. This advanced device combines innovative features and smart technology, making it an ideal choice for homeowners seeking to optimize their HVAC systems.

One of the standout features of the Aprilaire 8620 is its user-friendly interface. The thermostat boasts a large, easy-to-read display that allows users to quickly navigate through its settings. This intuitive design ensures that adjusting temperature settings or changing modes is a hassle-free experience. The backlit screen is especially beneficial in low-light situations, providing visibility for users at any time of day.

The Aprilaire 8620 is equipped with a programmable scheduling feature that enables users to create tailored heating and cooling schedules. This functionality allows homeowners to set specific temperatures for different times of the day, ensuring maximum comfort when they are home while minimizing energy use when away. The advanced programming capability promotes energy savings by automatically adjusting the temperature settings based on user preferences and daily routines.

Furthermore, the thermostat incorporates Wi-Fi connectivity, allowing for remote access through a smartphone application. This feature enables users to monitor and adjust their home’s temperature from anywhere, providing ultimate control and flexibility. Notifications and alerts can also be sent to the user’s mobile device, ensuring they are always informed about their HVAC system's performance.

Another key characteristic of the Aprilaire 8620 is its compatibility with multiple heating and cooling systems. Whether a home utilizes a single-stage or multi-stage system, the thermostat can seamlessly integrate, providing a versatile solution for various HVAC setups. This compatibility ensures that users can make the most of their existing equipment without costly upgrades.

Additionally, the thermostat offers advanced humidity control features, which work in conjunction with Aprilaire's whole-home humidifiers and dehumidifiers. This technology not only improves overall indoor air quality but also enhances comfort levels by managing humidity effectively, preventing issues like mold growth and allergens.

In summary, the Aprilaire 8620 stands out as a premium thermostat option that combines user-friendly design, programmable scheduling, Wi-Fi connectivity, compatibility with multiple systems, and advanced humidity control. With its suite of features and smart technology, it represents a significant investment in home comfort and energy efficiency for any homeowner.