Installation and User Guide
16
Pub. No. 18HD50D1-1A-EN 12/2018
Part No. 37-7768003
6. Thermostat Overview
Before you begin using your thermostat, you should be familiar with its features, display and the location/operation of the thermostat
buttons and switches.
THERMOSTAT BUTTONS AND SWITCHES
THE DISPLAY
1.) Fan Button
8.) Next (Menu button) is used to navigate within a menu
2.) Hold a permanent temperature or press again to cancel
hold (return to programmed schedule)
9.) Set the correct time, access the schedule and customize thermostat settings
3.) System Button
10.) Back (Fan button) is used to navigate within a menu
4.) Backlight Button (located on the top of the thermostat)
11.) Exit (Hold/Run button) returns to the home screen
5.) Raises Temperature Setting
12.) Thermostat is protecting the equipment from short cycling (5-minute delay)
6.) Access Menu Options
13.) Indicates that the system is running in Cool, Heat or Auxiliary mode. (Heat Pump
Only -The auxiliary will run in Heat mode when the heat pump cannot maintain
the set temperature.)
7.) Lowers Temperature Setting
14.) SEE TROUBLESHOOTING
15.) Battery status indicator
16.) Replace battery indicator
17.) Day of the week used when programming a schedule
18.) Permanent hold (bypassing the schedule)
19.) Temperature set point
20.) Appears when the keypad is locked (to prevent unwanted changes)
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Whenever“
Replace
” appears in the display, new premium brand AA alkaline batteries should be installed. If the house will be
unoccupied for an extended period and either “
” or “
Replace
” is displayed, install new batteries before leaving.
