Within a few seconds, the Home Screen appears (see fig- ure 2) with default settings as shown. After about 1 minute of initialization time, the actual room temperature will be displayed.
NOTE − Tables 2 and 3 on page 8 show all system and programming defaults.
Thermostat Buttons | |
Heat | Cool |
Prog | Day/Time |
Home Screen
MO
AM I2:00
HOLD
FILTER
SERVICE
FAN
AUTO
Fan Hold |
|
Settings Enter | (DOOR |
OPEN) |
Figure 3
ROOM | SYSTEM |
70 | ° |
| HEAT |
Figure 2
At this point, the thermostat will be fully functional; its de- fault temperature setpoint (not shown) is 70°F. At this point, if the equipment has been fully powered and if a heat demand were present, the system would begin operating.
NOTE − Temperature scale default is Fahrenheit units but may be reset to show Celsius, if desired. See page 8.
Buttons, Backlight, Timers & Settings
Buttons are located behind the small door on the right− hand side of the thermostat (see figure 3).
IMPORTANT
Do NOT begin pressing buttons until after you read the following section describing each button.
A pale blue display backlight illuminates for 30 seconds each time any button is pressed.
When PROG or DAY/TIME is pressed, a field begins flash- ing, expecting another input. Start making changes within 15 seconds or the HOME screen will return.
When an Arrow, HOLD, HEAT, or COOL button is pressed, SETPOINT and the temperature setting appears for 15 seconds. If desired, start making changes within 15 sec- onds or the HOME screen will return. The backlight will turn off 15 seconds after the HOME screen reappears.
DAY/TIME − Setting the Day and Time
Press the DAY/TIME button and set the CURRENT hour, minute, and day of week as follows:
1.AM12" will flash on the screen. Press the Up/Down ar- rows buttons to change the hour. (or must correspond to time of day.) Press DAY/TIME OR, if ad- justing for daylight savings time, pressing ENTER stores the single change and exits to the HOME screen, bypassing minutes and day of week.
2.Minutes will flash. Use the Up/Down arrow buttons to display the minutes past the hour. Press DAY/TIME.
3.Day
buttons to display the current day. Day selections are abbreviated as
and Y/TIME.
4.The HOME screen reappears; confirm day and time are correct. This completes day and time setting.
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