5.Press the done button.
6.Close the thermostat door.
BACKLIGHTING — The thermostat may feature a low level amount of backlighting until a button is pressed, which increas- es the lighting temporarily. The user can adjust the intensity of the backlighting or turn it off completely. The range is off (OF), and 1 to 5 levels of brightness. To change the backlighting lev- el, perform the following:
1.Open the thermostat door.
2.Press and hold the buttons underneath the heat and cool set points simultaneously. The screen will display “01” and up to three reset reminders.
3.Press the up arrow button until 01 changes to 03. The number 3 (the default backlight setting) will be displayed next to it.
4.To increase the backlight level, press the rightmost soft button and then press the up arrow button until 4 or 5 ap- pears. To decrease the backlight level, press the rightmost lower button and then press the down arrow button until 2 or 1 is shown. Change the setting to OF to completely re- move backlighting.
5.Press the done button.
6.Close the thermostat door.
KEYPAD LOCKOUT — The keypad lockout feature lets the user “lock” the thermostat at one of three levels. these levels in- creasingly limit any one using the thermostat’s ability to make changes. The levels are:
•OF — the feature is turned off
•1 — a user can change the temperature settings, the time of day, and the day of the week only
•2 — a user can change the temperature settings only
•3 — the entire thermostat is locked, no changes can be made
Perform the following to set the lockout level of the thermostat:
1.Open the thermostat door.
2.Press and hold the buttons underneath the heat and cool set points simultaneously. The screen will display “01” and up to three reset reminders.
3.Press the up arrow button until 01 changes to 04. The OF icon (the default lockout setting) will be displayed next to it.
4.Press the rightmost soft button and then press the up ar- row button until the desired lockout level is shown. A padlock icon will be shown if options 1 through 3 are chosen.
5.Press the done button.
6.Close the thermostat door.
To temporarily unlock the keypad, open the thermostat door. Press and hold the up and down buttons simultaneously for about 5 seconds. The padlock icon will disappear. This means the keypad is unlocked and can be used. The keypad will revert back to the locked state after no buttons are pushed for 2 min- utes. Close the door.
PROGRAMMABLE / NONPROGRAMMABLE SET- TING — It is possible to convert the thermostat operation from programmable to nonprogrammable. This eliminates the advanced features. When switching to the nonprogrammable format, the programming, hold, holiday and Smart Recovery features are lost. Switching to nonprogrammable operation also means that some of the thermostat’s energy saving features are lost. The time of day and day of the week will still show on the display and the user will still be able to increase or decrease the temperature settings manually.
To switch thermostat operation, perform the following:
1.Open the thermostat door.
2.Press and hold the buttons underneath the heat and cool set points simultaneously. The screen will display “01” and up to three reset reminders.
3.Press the up arrow button until 01 changes to 05. The P icon (the default setting) will be displayed next to it.
4.Press the rightmost soft button and then press the up ar- row button until the desired operation is shown. P stands for programmable and nP stands for non-programmable.
5.Press the done button.
6.Close the thermostat door.
NUMBER OF PROGRAMMING PERIODS — The ther- mostat is preset with four programmable time periods. This can be changed to two. To change the number of time periods, per- form the following procedure:
1.Open the thermostat door.
2.Press and hold the buttons underneath the heat and cool set points simultaneously. The screen will display “01” and up to three reset reminders.
3.Press the up arrow button until 01 changes to 06. The number 4 (the default setting) will be displayed next to it.
4.Press the rightmost soft button and then press the up ar- row button until the desired number of time periods is shown.
5.Press the done button.
6.Close the thermostat door.
DAYLIGHT SAVINGS TIME — The thermostat will auto- matically change the clock according to daylight savings time procedures twice a year. Some areas do not use daylight sav- ings time. To turn off the daylight savings time feature, perform the following procedure:
1.Open the thermostat door.
2.Press and hold the buttons underneath the heat and cool set points simultaneously. The screen will display “01” and up to three reset reminders.
3.Press the up arrow button until 01 changes to 08. The ON icon (the default setting) will be displayed next to it.
4.Press the rightmost soft button and then press the up ar- row button until the desired number setting (OF) is shown.
5.Press the done button.
6.Close the thermostat door.
Service Reminders — The thermostat tells the user when it is time to change the UV light, change the filter, or per- form scheduled maintenance. Each reminder will be displayed on the upper left of the screen. For important safety reasons, do not change a UV light; ask your dealer to replace the UV light. To remove the reminder after the service has been performed, press and hold the done button for about 3 seconds.
Outdoor Temperature Display — The thermostat automatically displays the outdoor temperature when the ther- mostat door is closed.
Auto Changeover — The thermostat displays one of five modes: heat, cool, Em heat (heat pump version only), heat cool (auto mode) and off. When the mode selection is auto mode, the system is allowed to switch from heating to cooling or from cooling to heating to maintain the temperature set points.
Smart Recovery — The Smart Recovery feature transi- tions the space from one temperature period (occ, occ2, occ3, unocc) to the next so that the space temperature matches the temperature set point at the start of each time period. This
