Operating Modes
There are four possible operating modes for the SC4811 . Off, Cool, Heat, and Cool & Heat modes are
accessed by pressing the
SYS
(left) button .
OFF Mode
• In this mode, the thermostat will not turn on the heating or cooling
devices
Note:
The indoor fan can be turned on manually in every operating
mode by pressing the
FAN
(right) button . The word
FAN
shows on the display and the fan icon appears when the
fan operates .
OFF
Heat Mode
• In this mode, the thermostat controls the heating system . When the
heat outputs, the flame icon apprears on the display .
Note:
For heat pumps, there is a four minute delay for your
compressor to restart after it has turned off . To bypass the
compressor time delay, go to OFF mode for 5 seconds .
Emergency Heat Mode
(Heat pump systems only)
• In emergency heat mode, the heat pump system will be disabled and
auxiliary heat will become the primary source of heat .
