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Temperature Differential
The temperature differential is factory set at 1.0°F (.5°C). This means
that whenever the room temperature changes by one degree
Fahrenheit from the temperature setting, the system will turn on. If the
system turns on too often, increase the temperature differential.
Changing Fahrenheit (°F) to Celsius (°C),
and the Temperature Differential
1. The thermostat is preset to display the temperature in degrees
Fahrenheit (US models) or degrees Celsius (Canadian models). The
temperature display can be changed. Press and hold both the
and
Release buttons. Press the
2. After three seconds the display will switch to the differential set-
tings. The display will read SET DIFF.
3. The temperature differential is factory set at 1.0°F (0.5°C). Press the
or
button to adjust the differential up or down.
4. Wait three seconds or press
original room temperature.
Backlit Display
This thermostat is equipped with a backlight to make nighttime temper-
ature adjustments quick and easy. Press the
backlight. The backlight will turn off after about 5 seconds of inactivity.
Reset
To reset the thermostat press the RESET button located at the lower left
corner of the base.
RESET
button for three seconds. The display will read F or C.
ROOM
OFF
NON-HP
HP
or
button to switch the display.
and the display will return to the
RESET Switch
9
button to activate the
GAS
ELEC
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