OPERATION
Before you begin using your thermostat, you should be familiar with its features and with the display and the location and operation of the thermostat buttons. Your thermostat consists of two parts: the thermostat cover and the base. To remove the
cover, gently pull it straight out from the base. To replace the 1 cover, line up the cover with the base and press gently until the cover snaps onto the base.
2
THE THERMOSTAT BASE
The Thermostat Buttons and Switches
Other than 
and 
, the following buttons and switches are
located behind the door on the bottom of the thermostat cover (see fig. 11). Pull the door down to open it.
1(Red arrow) 
Raises temperature setting.
2(Blue arrow) 
Lowers temperature setting.
3FAN switch (ON, AUTO).
4SYSTEM switch (COOL, OFF, HEAT).
The Display
5HEAT is displayed when the SYSTEM switch is in the
HEAT position. COOL is displayed
6Displays current temperature.
7BATTERY is displayed when the 3 “AA” batteries are low and should be replaced. Nothing else will be displayed.
8Displays current setpoint temperature (this is blank when SYSTEM switch is in the OFF position).
OPERATING FEATURES
Now that you are familiar with the thermostat buttons and display, read the following information to learn about the fea- tures of the thermostat.
•SIMULTANEOUS HEATING/COOLING STORAGE — You can enter both your heating and cooling setpoints at the same time. There is no need to reset the thermostat at the beginning of each season.
•LOW BATTERY INDICATOR — If the 3 “AA” alkaline batteries are low and should be replaced, the display will be blank except for the word BATTERY. When the batteries are low, pressing any button will cause the display to operate for ten seconds. After ten seconds, the display will be blank except for the word BATTERY. When the duration of a low battery condition exceeds four weeks, the setpoint is altered by 10 degrees to signal that the batteries must be replaced.
FAN ON AUTO COOL OFF HEAT
|
| 3 | 4 |
| 5 |
|
|
6 | HEAT |
|
|
|
| COOL | |
|
|
| |
BATTERY |
|
|
|
7 | 8 | 6 | 5 |
Figure 11. Thermostat display, buttons, and switches
•°F/°C CONVERTIBILITY— After ten seconds of no key activity, when the thermostat is in the temperature display adjustment mode, or 30 seconds after power up, pressing
and
at the same time will switch the LCD temperature display between Fahrenheit and Celsius.
•TEMPERATURE DISPLAY ADJUSTMENT — Your new thermostat has been accurately set in our factory. However, if you wish, you may adjust your new thermostat tempera-
ture display to match your old thermostat. This can be accomplished (within a ±4° range) as follows:
1.Press 
and 
at the same time within 30 seconds of applying power.
2.Press 
or 
to adjust the displayed temperature to your desired setting.
3.After setting your desired temperature, do not press any buttons for ten seconds. The thermostat will continue operating at the changed temperature setting.
SETTING THE THERMOSTAT
This thermostat is very easy to operate. Set the SYSTEM button to either HEAT or COOL, then press
or 
until the tempera-
ture you want to maintain is shown on the right side of the display. If you want to turn the system off, just move the SYSTEM switch to OFF.
The FAN switch controls the fan operation. When the FAN switch is set to AUTO, the fan will cycle with the furnace or air conditioner. When the FAN switch is set to ON, the fan will run continuously, regardless of SYSTEM switch position.