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These are the possible operating modes of the SC2811.
Off Mode
In off mode, the thermostat will not turn on the heating or cooling appliances.
Note 1: The indoor fan can be activated in every mode by sliding the Auto/On fan switch to the On position.
Note 2: Off mode is used to enter the configuration setup (by pressing SW5 and SW6 simultaneously for 5 seconds).
Cool Mode
In cool mode, the thermostat controls the cooling system.
There is a five minute time delay after the compressor turns off. This protects the compressor.
Heat Mode
In heat mode, the thermostat controls the heating system.
For heat pumps, there is a five minute time delay after the compressor turns off. This protects the compressor.
Emergency Heat Mode
In emergency heat mode, the heat pump system will be disabled and auxiliary heat will become the primary
source of heat.
ENTER Emergency heat mode by pressing the
display on the screen.
EXIT Emergency heat mode by pressing the
you exit emergency heat mode.
The SC2811 also exits emergency heat mode when the mode switch is moved to Cool or Auto.
Auto-changeover Mode
In this mode the thermostat will automatically change from heat mode to cool mode, or vice versa.
Pressing
the
or
button
cool set temperature. The set temperature that is displayed can be changed using the
Operating Modes
(Heat pump systems only)
in Auto mode causes the thermostat to display the heat set temperature then the
for ten seconds while in heat mode. "EH" will then
up button
for ten seconds. "EH" will blink on the screen when
up button
.
or
button
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