Kenmore TSTAT0713K Owner's Manual page 26

Advanced Features & Operation
OUTSIDE SENSOR (Optional Accessory) - When connected to
to terminals RS+5, RS1, & RS GND on the back of the
thermostat, the thermostat will read the temperature from the
outside s ensor. This thermostat will not control to this sensor,
it is only to read outside temperature. To read the temperature
from the outside sensor, press the OUTSIDE button. The
display will then only show outside temperature. Pressing the
OUTSIDE button will then return the display t normal o
operation. The outside sensor is available in a wired or
wireless version. The wired sensor can be connected to the
thermostat with up to 150' of 18 ga., 300' of 20 ga. or 450'
of 22 ga. unshielded, thermostat wire.
See the Outside Sensor instructions for further details.
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