Model 8920W Wi-Fi Indoor Air Quality Thermostat
Owner’s Manual
Includes Operating Instructions and
Warranty Information
READ AND SAVE THESE INSTRUCTIONS
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WARNING
Do not use sharp instruments to press touch screen. Only use your fingertips.
TABLE OF CONTENTS |
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FEATURES |
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FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 2 |
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• Temperature control.. |
DISPLAY OVERVIEW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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• Remote access and control over Wi-Fi.. |
Home Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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• Indoor air quality control.. |
Main Menu |
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–– Humidification automatic or manual control.. |
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WI-FI SETUP & REMOTE ACCESS |
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–– Dehumidification.. |
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THERMOSTAT OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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–– Event-Based™ air cleaning.. |
Select System Mode |
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–– Ventilation with temperature and humidity limits.. |
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Change Temperature Setpoint . . . . . . . . . . . . . . . . . . . . . |
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•. Heat. Blast® raises the room temperature 3°F to 5°F.. |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Select Fan Setting |
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•. One. . touch Away.. |
Set Time and Date |
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SCHEDULE AND HOLDS |
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• Large touch screen with adjustable backlight.. |
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Understanding Schedules . . . . . . . . . . . . . . . . . . . . . . . |
11. |
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•. .7. day. . .programmability.. |
Changing Schedules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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•. Displays room temperature, room humidity, temperature |
Schedule Holds |
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setting, and optional outdoor temperature.. |
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Temporary Hold |
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•. .Air. . filter,. humidifier, dehumidifier, fresh air and HVAC service |
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Permanent Hold |
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reminders |
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Vacation Hold |
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Heat Blast® (if installed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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• Support for optional wireless outdoor temperature sensor.. |
Away (if installed) . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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•. Programmable. . . . fan control with fan circulation mode.. |
STATUS |
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• Easy to use temperature control can override program schedule |
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ALERTS |
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at any time.. |
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Maintenance Reminders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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• Progressive recovery ensures proper temperature at the start of |
WEATHER |
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. a. .program event.. |
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INDOOR AIR QUALITY FUNCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . |
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Humidity Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Automatic Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Dehumidification . . . . . . . . . . . . . . . . . . . . . . . . . . . |
24. |
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Event Based™ Air Cleaning . . . . . . . . . . . . . . . . . . . . . . . |
25. . |
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Fresh Air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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USER PREFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
27. |
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Away Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Lockouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Temperature Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Schedule Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
32. |
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CLEAN SCREEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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WI-FI MAINTENANCE AND TROUBLESHOOTING . . . . . . . . . |
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Wi-Fi Status Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Clearing Router Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Removing the Thermostat from a User Account . . . . . . . . . |
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Disabling the Wi-Fi Radio . . . . . . . . . . . . . . . . . . . . . . . . . |
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LIMITED WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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DISPLAY OVERVIEW
HOME SCREEN
THERMOSTAT NAME |
HEAT SETTING |
COOL SETTING |
CURRENT DATE AND TIME |
CURRENT SCREEN |
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RELATED HELP |
ROOM TEMPERATURE |
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& HUMIDITY |
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MAIN MENU |
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HEATING AND |
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WI-FI INDICATOR |
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HUMIDIFIER AND/ |
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COOLING |
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EQUIPMENT |
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OR DEHUMIDIFIER |
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STATUS |
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INDOOR AIR |
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QUALITY SCREEN |
OUTDOOR |
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& SIMPLE STATUS |
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TEMPERATURE |
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AIR CLEANING |
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& HUMIDITY |
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INDOOR AIR |
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QUALITY SCREEN |
FAN MODE |
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& SIMPLE STATUS |
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SELECTION |
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FRESH AIR INDOOR |
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AIR QUALITY SCREEN |
SYSTEM MODE |
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& SIMPLE STATUS |
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SELECTION |
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WEATHER FORECAST |
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& ALLERGY REPORT |
HOLD MENU |
AWAY MODE |
HEAT BLAST MODE |
DETAILED |
ACTIVE ALERTS & |
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& STATUS |
& STATUS |
& STATUS |
EQUIPMENT STATUS |
ALERT SETTINGS |
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NOTE: SCREEN BRIGHTENS AFTER FIRST TOUCH..
Display may differ depending on equipment/options installed.
MAIN MENU
Touch Menu from the home screen to access the Menu screen.. The Menu screen allows access to all the thermostat settings..
SET DATE & TIME |
RETURN TO THE |
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HOME SCREEN |
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FROM THE |
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SET SCREEN |
CURRENT SCREEN |
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BRIGHTNESS |
TEMPERATURE |
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AND SCREEN |
SCALE, LOCKOUTS, |
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SAVER |
AWAY MODE |
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SETTING, SCHEDULE |
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SETTINGS |
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SET SCHEDULE |
VIEW CONTRACTOR |
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INFORMATION |
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CLEAN DISPLAY |
SET UP AND |
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ENABLE VACATION |
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SETTINGS |
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CONNECT TO WI-FI |
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NETWORKS |
3
WI-FI SETUP & REMOTE ACCESS
Complete the following steps to connect your thermostat to your mobile device.. Note: The images used in the procedure below use the screen layout from an Android device except where otherwise noted.. The screen layout for iOS devices may vary from what’s shown..
STEP 1 – DOWNLOAD THE APP
Search and install the Aprilaire Wi-Fi Thermostat App from Google Play
(Android), or the App Store (iOS)..
STEP 2 – CREATE A NEW APRILAIRE ACCOUNT
1.Open the app on your device..
2.Tap New User..
3.Fill out the form and tap Create..
4.A confirmation email will be sent to you.. Click the confirmation link in the email to complete the registration.. If you do not receive the email, check your junk mail folder..
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Apple and the Apple logo are trademarks of Apple Inc.., registered in the U..S.. and other countries.. App Store is a service mark of Apple Inc.. Google Play is a trademark of Google Inc..
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WI-FI SETUP & REMOTE ACCESS
STEP 3 – CONNECT YOUR WI-FI THERMOSTAT TO YOUR HOME NETWORK
1. Confirm your thermostat is in Wi-Fi setup mode.. The signal indicator will be strobing..
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Note: Out of the box, your Aprilaire Wi-Fi thermostat should be in Wi-Fi setup mode.. It may take up to 30 seconds for the thermostat to enter Wi-Fi setup mode after power up or reset.. If you are not in this mode, refer to the thermostat owner’s manual for directions to enable Wi-Fi setup mode..
Open the app and select Connect a new thermostat from the Login screen.. |
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Follow the directions for your operating system (as noted below), then proceed to #4..
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Android Users:
•A list with available thermostats will appear on the screen.. Tap to select the thermostat you wish to connect to your network..
•For identification the SSID contains the model number and the last six digits of the MAC ID..
Ex.. APRILAIRE8476w000000
iOS Users:
Complete steps 1-4 shown on the
Select a Thermostat screen by exiting the Aprilaire app, and returning to the app when finished..
Step 1: Open Settings..
Step 2: Select Wi-Fi..
Step 3: A Wi-Fi network including
“APRILAIRE” in the title should appear in your list of network options.. Tap that network (thermostat) to proceed.. Note: This step may take up to one minute to complete..
Step 4: Return to the Aprilaire app and tap Continue..
Settings
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WI-FI SETUP & REMOTE ACCESS
STEP 3 – CONNECT YOUR WI-FI THERMOSTAT TO YOUR HOME NETWORK (continued)
Select your home network.
4.Tap Next to scan for your home network..
5.Select your home network from the list..
Connecting to your home network.
6.Enter the password to your home Wi-Fi network.. It is recommended you select Show Password to ensure you are entering it correctly..
7.Tap Finish..
Add thermostat to user account.
8.Enter your Email Address and Password..
9.Tap Login..
The Add Thermostats page will appear.. The MAC ID for the thermostat will already be filled in the box.. Do not change it..
10.Enter a name for your thermostat (i..e.. Office, Den, Kitchen), thermostat location
(i..e.. House, Cabin, Cottage), Zip Code and
Time Zone..
11.If you know your HVAC contractor’s contact information, enter it and then tap Done..
12.Congratulations! You have successfully registered your thermostat.. You can now access and control your thermostat from your mobile device..
ADDITIONAL RESOURCES
Visit my.aprilaire.com
for additional app instructions..
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THERMOSTAT OPERATION
SELECT SYSTEM MODE
1.Touch MODE to open the Thermostat Mode screen..
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2. Select the desired mode.. |
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3. Touch Done to save any changes.. |
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Touch Back to discard your changes.. |
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The thermostat will automatically |
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discard your changes if one minute |
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elapses without touching Done.. |
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Note: Em Heat (Emergency Heat) is only |
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applicable to heat pump installations.. |
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CHANGE TEMPERATURE SETPOINT
1.Touch the 
or 
arrows to adjust the temperature setpoint.. The Set
Temporary Hold pop-up will appear..
2.Touch Done to save your changes..
See page 15 for information on temporary and permanent holds..
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THERMOSTAT OPERATION
SELECT FAN SETTING
When the fan mode is changed during a scheduled event, it remains in that mode until the next event starts.. To learn about scheduled events, see pages 11-14..
1.Touch FAN to open the Fan Mode screen..
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2. Select the desired mode..
3.Touch Done to save any changes.. Touch Back to discard your changes..
The thermostat will automatically discard your changes if one minute elapses without touching Done..
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THERMOSTAT OPERATION
SET TIME AND DATE
The thermostat will automatically retrieve Time and Date from the internet (if connected and registered).. If the thermostat is used without an internet connection the time can be manually adjusted..
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To set the time:
1.Touch Menu to open the Menu screen..
2.Touch Clock And Date to open the
Clock and Date screen..
3.Touch the current time.. The Set Time pop-up will appear..
4.Touch the 
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arrows to set the correct hour, minutes and AM/PM..
5. Touch Done to save any changes.. |
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Touch Back to discard your changes..
The thermostat will automatically discard your changes if one minute elapses without touching Done..
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THERMOSTAT OPERATION
SET TIME AND DATE (continued)
To set the date:
6.Touch the current date.. The Set Date pop-up will appear..
7.Touch the 
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arrows to set correct month, date and year..
8.Touch Done to save any changes..
Touch Back to discard your changes.. The thermostat will automatically discard your changes if one minute elapses without touching Done..
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SCHEDULE AND HOLDS
UNDERSTANDING SCHEDULES
The daily schedule is split into four events:
WAKE: Temperature when you wake up in the morning..
LEAVE: Temperature when you are away from the house.. RETURN: Temperature when you return home..
SLEEP: Temperature you would prefer while sleeping..
The times shown in the table below are the defaults.. These are the recommended settings, since they can reduce your heating/cooling expenses.. The fan mode is pre-set to AUTO for all events..
The start time, temperature and fan mode of each event can be changed to fit your specific schedule.. (See Changing Schedules section on pages 12-14..)
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SET TEMPERATURE |
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EVENT DESIGNATOR |
START TIME |
HEAT |
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COOL |
FAN |
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WAKE |
6:00 AM |
70°F (21°C) |
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78°F (25..5°C) |
AUTO |
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LEAVE |
8:00 AM |
62°F (16..5°C) |
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85°F (29..5°C) |
AUTO |
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RETURN |
5:00 PM |
70°F (21°C) |
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78°F (25..5°C) |
AUTO |
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SLEEP |
10:00 PM |
62°F (16..5°C) |
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82°F (27..5°C) |
AUTO |
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SCHEDULE AND HOLDS
CHANGING SCHEDULES
1.Touch Menu to open the Menu screen..
2.Touch Schedule to open the Set Schedule screen..
The current day of the week will be displayed on the Set Schedule screen.. From this screen you can change the start time, heat and cool setpoints, and fan mode for each event for this day of the week.. See page 14 for instructions on how you can copy this day's schedule to other days..
To set the start time:
3.Touch the event start time.. The Set
Time pop-up will appear..
4.Touch the 
or 
arrows to set the desired event start time..
5.Touch Done to save any changes..
Touch Back to discard your changes..
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