TH5110D
69-1713—01
2
OPERATE YOUR THERMOSTAT
Set System Setting
Press the System button to select Heat, Off, Cool or Auto:
Heat
—Thermostat controls the heating system.
Off
—Both the heating and cooling systems are off.
Cool
—Thermostat controls the cooling system.
Auto
—Thermostat automatically changes between
heating and cooling operation, depending on indoor
temperature. See Auto Changeover section.
CAUTION
Equipment Damage Hazard.
Air conditioning compressor damage possible.
Do not operate cooling system when outdoor
temperature is below 50
°
F (10
°
C).
Set Fan Setting
Press the Fan button to select Auto or On:
Auto
—Normal setting for most homes. The fan runs
only when the heating or cooling system is on.
On
—The fan runs continuously. Use this setting for
improved air circulation or for more efficient air
cleaning.
Change Temperature Setting
Press the Up or Down button to select the desired
temperature setting.
NOTE:
The first press of the Up or Down button turns on
the backlight. The second press of the Up or Down
button changes the temperature setting.
PRESS THE
SYSTEM BUTTON
TO SELECT HEAT,
OFF, COOL OR AUTO.
Replace Batt
Replace Batt
Service Needed
PRESS THE
FAN BUTTON
TO SELECT
AUTO OR ON.
Replace Batt
Replace Batt
Service Needed
Replace Batt
Replace Batt
Service Needed
PRESS THIS BUTTON TO
RAISE THE TEMPERATURE
SETTING
TEMPERATURE SETTING
TEMPERATURE SETTING RANGE:
HEAT: 40°TO 90°F (4.5°T0 32°C)
COOL: 50°TO 99°F (10°T0 37°C)
PRESS THIS BUTTON TO
LOWER THE
TEMPERATURE
SETTING
