Model 8620W Thermostat with Wi-Fi, Event-Based™ Air Cleaning and Humidity or Ventilation Control Owner’s Manual Includes Operating Instructions and Warranty Information READ AND SAVE THESE INSTRUCTIONS
Table of contents About your new THERMOSTAT About your new THERMOSTAT WI-FI SETUP & REMOTE ACCESS Wi-Fi set-up & remote access . . . . . . . . . . . . . . . . . . . . . . 6 Operation Select system mode (EM HEAT/HEAT/OFF/COOL/AUTO) . . . . . . . . . . . . . . . . . . Change temperature set point . . . . . . . . . . . . . . . . . . . . . . Select fan setting (ON/AUTO/CIRC) . . . . . . . . . . . . . . . . . . Clean screen . . .
About your new THERMOSTAT About your new THERMOSTAT Controls & display overview – Home Screen ROOM TEMPERATURE Current DAY OUTDOOR TEMPERATURE Controls & display overview – MAIN MENU ROOM RELATIVE HUMIDITY FAN MODE SETTING Air Cleaning Button (Enters EVENT-BASED™ Air Cleaning Control Screen) FAN MODE BUTTON Humidity Control Button (Enters Humidity Control Screen) SYSTEM MODE SETTING Fresh Air Button (Enters Ventilation Control Screen) SYSTEM MODE BUTTON Temperature ADJUSTMENT SET VACATION HOL
Wi-Fi setup & Remote Access Operation For detailed instructions for connecting the thermostat to a Wi-Fi network and registering it to an Aprilaire account, refer to the Wi-Fi Quick Start Guide included in the box. Visit my.aprilaire.com for instructions about using the Aprilaire web and mobile apps. Change temperature set point 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.
Operation 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. indoor air quality Functions SCREEN LOCKOUT The user can disable certain features of the thermostat. (See User System Setting Table on pages 34-36 for details.) This feature can be overridden by pressing and holding [MENU] for 7 seconds.
indoor air quality Functions indoor air quality Functions Event-Based™ AIR CLEANING (continued) Humidity Control Air Cleaning Screen Press [HUMIDITY CONTROL] on the Home screen to enter the Humidity Control screen. The humidity setting needs to be set initially to meet your home’s conditions. Please follow these steps when adjusting your thermostat.
indoor air quality Functions indoor air quality Functions Humidity Control (continued) Humidity Control (continued) Humidity Control Screen for Humidification in Automatic Mode In manual mode it is important to anticipate a drop in outdoor temperature and reduce the setting accordingly to avoid excessive condensation. Use the following table to determine the proper Relative Humidity setting.
indoor air quality Functions indoor air quality Functions Humidity Control (continued) Humidity Control (continued) Humidity Control Screen for Humidification in Manual Mode If dehumidification is installed the thermostat can be configured, through the installer set-up, to control dehumidification with either a whole home dehumidifier or with the air conditioner (cooling unit).
indoor air quality Functions indoor air quality Functions Humidity Control (continued) Humidity Control (continued) Energy Saving Tip #1: Energy Saving Tip #2: Adjust the setting to be as high as is comfortable to reduce dehumidification run time – if it feels clammy or smells damp or moldy lower the setting. To save energy, turn the dehumidifier control OFF when you open your windows just as you would with air conditioning.
indoor air quality Functions indoor air quality Functions Fresh Air Fresh Air (continued) Press [FRESH AIR] on the Home screen to enter the Fresh Air screen. If ventilation is installed, Fresh Air can operate in four different modes. Fresh Air Screen Off: Ventilation will not run. Automatic: Ventilation will cycle based on the parameters set by the installer to meet your home’s ventilation requirements.
Program Schedule and Holds Program Schedule and Holds Set TIME and Date Understanding program schedules Press [MENU] to enter the main menu. Press or to set the hour. Press [SET CLK/DATE] to enter clock menu. The daily schedule is split into four sections: WAKE: Temperature you would prefer to wake up to. LEAVE: Temperature when you are away from the house. RETURN: Temperature you would prefer to return home to. SLEEP: Temperature you would prefer while sleeping.
Program Schedule and Holds Program Schedule and Holds Understanding program schedules (continued) Changing program schedules Press [MENU] to enter the main menu. Use the table below to assist in modifying the schedule. Press [SET SCHEDULE] to enter schedule programming. Set temperature Event designator Start time Heat Cool Press [Next], then the first event. or to set the start time of Press [Next], then the first event.
Program Schedule and Holds Program Schedule and Holds Changing program schedules (continued) Heat Blast® Press [Next], then [FAN] to set the fan mode of the first event. The thermostat will display the COPY option. Heat Blast will raise the current room temperature 3°F to 5°F based on the installer set-up, and then resume normal operation. ® Press [Heat Blast] to activate Heat Blast.
Program Schedule and Holds Program schedule holds – temporary (continued) Press or to adjust the end time of the hold. If end time is not adjusted, the Temporary Hold will end at the start of the next event. Program Schedule and Holds Program schedule holds – permanent Program schedule holds – away Permanent program hold away Press [HOLD] to permanently hold the temperature at its current setting while the schedule is running. This will override the temperature settings for all events.
Program Schedule and Holds Program Schedule and Holds Program schedule holds – VACATION Program schedule holds – VACATION (continued) Vacation program hold Press [NEXT], then adjust the dehumidification setting. This energy saving feature allows you to suspend the programmed schedule for extended periods of time. The temperature and dehumidification setpoint (optional) you select will be maintained 24 hours a day until the vacation program hold end date and time.
Wi-Fi Maintenance and Troubleshooting Wi-Fi Maintenance and Troubleshooting Clearing Router Settings Disabling the Wi-Fi Radio If you purchase a new Wi-Fi router or change the security settings on your existing router, the router settings in the thermostat need to be cleared so the new Wi-Fi router settings can be entered. To do this, enter the setup menu as described in the Setup Menu section on pages 33-36. Change the setting for WiFi Disconnect and Clear Settings to Yes and then press [DONE].
Wi-Fi Maintenance and Troubleshooting SETUP MENU Wi-Fi connection status Radio status indicator Message Center Normal Operation. Wi-Fi signal strength is indicated by the appropriate number of bars. No corresponding message The thermostat Wi-Fi settings have not been entered. Refer to the Wi-Fi Quick Start Guide for instructions for entering the Wi-Fi settings. The frame is displayed and the bars cycle from 0 to 4. Displays the SSID of the thermostat.
SETUP MENU SETUP MENU User system settings table User system settings table (continued) The following table is the list of the settings and their details. Default settings are shown in bold. User system setting Temperature Scale Set the thermostat to Fahrenheit or Celsius mode. Fahrenheit Celsius Lockout Type Sets the screen lockout level. Setting the Lockout Type to Full will prevent any changes from being made at the thermostat.
SETUP MENU THERMOSTAT FIVE YEAR LIMITED WARRANTY Your Research Products Corporation Aprilaire® Thermostat is expressly warranted for five (5) years from date of installation to be free from defects in materials or workmanship.
FCC Declaration IC Statement Compliance Statement (Part 15.19) This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. This device must accept any interference received, including interference that may cause undesired operation. RSS-GEN, Sec. 7.1.
P.O. Box 1467 • Madison, WI 53701-1467 • Phone: 800/334-6011 • Fax: 608/257-4357 www.aprilaire.com 61001108 5.15 B2206470A U.S. Patent Numbers 8,146,376, 8,596,078 and other patents pending.
