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OPERATION
I. MODE
The Mode button selects the operating mode of the thermo-
stat. If OFF is selected, the thermostat will not enter Heat-
ing or Cooling mode. If HEAT is selected, the thermostat will
only enter Heating mode (if the room temperature is below
the heating set point). If COOL is selected, the thermostat
will only enter Cooling mode (if the room temperature is above
the cooling set point). If AUTO is selected, the thermostat will
enter Heating or Cooling mode based on the room tempera-
ture and the heating and cooling set points.
II. TWO-STAGE OPERATION
The second stage of heat or cool is turned on when the first
stage has been on for a minimum of 2 minutes and the tem-
perature differential from the set point is equal to or greater
than the set point plus the deadband plus 2 degrees.
III. ELECTRIC HEAT
When the Electric Heat option in the advanced set up is set
to ON, the thermostat will turn on the fan immediately any
time there is a heat demand. This feature should only be used
on electric heating applications. Do not use with gas heat.
IV. DRY CONTACT SWITCH/EXTERNAL DEVICE
A dry contact switch is provided to allow an external device
to force the thermostat into Unoccupied mode. When the ther-
mostat is forced into Unoccupied mode via the dry contact
closure, the Unoccupied mode icon will blink each second.
A. Soft Start
When multiple thermostats are controlled by the same exter-
nal device, a Soft Start option can be used to stagger the start
times of the HVAC equipment. This feature may cause a de-
lay in operation after entering or leaving Unoccupied mode.
V. REMOTE TEMPERATURE SENSOR
A remote temperature sensor is available to read the tem-
perature from a space. If a remote temperature sensor is con-
nected, the thermostat will ignore the reading of its internal
sensor. When the thermostat is using a reading from a re-
mote sensor, the degree symbol above the temperature read-
ing will blink.
VI. OUTDOOR TEMPERATURE SENSOR
An outdoor temperature sensor may be provided to read the
outside temperature. Outside temperature can be viewed by
pressing and holding the Mode button for 2 seconds.
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