The Aprilaire App runs correctly on most, popular U.S. mobile devices that are running up-to-date operating systems, including:

All Apple iOS devices Version 6 and above.

Android OS 4.0 and above, including: 

• GoogleNexus 7,

• HTC1, HTC 510, HTC 1M8

• LG F60, L70, G3

• Motorola DROID Razr, DROID Ultra

• SamsungGalaxy S2 - S5; Galaxy Note2 - Note4

• ZTE 970

1. Open the Aprilaire App and go to the Location to which you will assign the new thermostat.
2. Follow the steps to Add a new thermostat to your Android or IOS device. 

By default, these thermostats are configured to work with most home automation systems. To work with the Aprilaire app, the internal setting that controls this needs to be switched to Aprilaire Cloud. Follow the steps to switch to Aprilaire Cloud. 

1. On an 8810, set the thermostat to Off mode. Next, press and hold the Mode and Up Arrow buttons for 3 seconds until the screen changes to 00. Look at the number in the upper, right-hand corner. Use the up or down arrow button to change this to 0. Press Mode repeatedly until the word Done appears. The thermostat is now able to be configured for use with the Aprilaire App.
2. On an 8820 or 8830, set the thermostat to the Off mode. Next, press Menu once and then hold Setup for 7-10 seconds, until the message “Installer Setup Enabled” appears. Release the Setup button and then tap Install Setup once. Press the Next button once, and you should see option 00 appear. Press the Up or Down Arrow to change the setting to Aprilaire Cloud, then press Done twice. The thermostat is now able to be configured for use with the Aprilaire App.
3. On an 8840, press Menu and then hold Contractor Info for 10 seconds. When the message “Enter installer settings?” appears, tap Yes. The thermostat will reboot in the configuration mode. Select General and change the first setting to Aprilaire Cloud. Press Next until Done appears, then press Done twice. When the message “Are you sure you want to exit the Installer Settings?” appears, press Yes. The thermostat will reboot and will be able to be configured for use with the Aprilaire App.

A. By wiring terminals/back plates:

8476W


8620W





8910W

8920W

B. Determine your thermostat's model number by removing the cover on the front.

8476W

8620W and 8910W

1. Verify the thermostat is in Wi-Fi Connection mode based on the radio bars “strobing” as shown above.

2. Using a Wi-Fi enabled computer, establish a Wi-Fi connection to the thermostat as you would to any public Wi-Fi network. You may receive a warning that there doesn’t appear to be internet connected with this device. This is okay. Accept the warning and proceed with the connection.

3. Open a web-browsing app and enter the URL 192.168.1.99/index.html into its location bar. Do not use your browser’s search function for this URL. The following screen should appear. (Note:If the blue screen does not appear, please confirm that you are still connected to the thermostat in the thermostat via your Wi-Fi controls.)    

4. The thermostat will disconnect automatically from your computer and connect to your home network. The Wi-Fi icon on the thermostat will indicate this by changing to solid bars. If the thermostat fails to connect and instead returns to a strobing icon, as indicated in Step 1, return to Step 2, and verify that the password being entered is correct. 

 

5. Open the Aprilaire App and log into your account. If this is the first thermostat being added to your account, the app will display the screen below. If that screen does not appear, press Menu and then Assign Thermostat to User Account.  

6. The thermostat will disconnect automatically from your computer and connect to your home network. The Wi-Fi icon on the thermostat will indicate this by changing to solid bars. If the thermostat fails to connect and instead returns to a strobing icon, as indicated in Step 1, return to Step 2, and verify that the password being entered is correct.

7. Open the Aprilaire App and log into your account. If this is the first thermostat being added to your account, the app will display the screen below. If that screen does not appear, press Menu and then Assign Thermostat to User Account. 




8. Enter the mandatory fields (indicated by *) and manually enter the MAC ID that was noted in step 5 above. (Note: Do not enter any dashes or colons appearing between the number and letter pairs.) Press Done when finished.