Trane TCONT402AN32DA Owner's Manual page 12

Auto Changeover
When the system mode is set to Auto, the control automatically switches between heat-
Features
ing and cooling modes to maintain the desired comfort level.
Setpoint Deadband
The number of degrees separating Heating and Cooling setpoints. Neither the heating
or cooling system operate when the indoor temperature is within the deadband. The
amount of separation between mode setpoints is user defined between 2 and 10 degrees.
When the control is set to Auto, and the cooling setpoint is changed to a cooler setting,
the heating setpoint also changes to maintain the selected degrees separation.The same
action occurs when the heating setpoint is changed to a warmer temperature.
Outdoor Temperature Display - ( sensor must be installed)
The Outdoor Temperature Sensor is included with your Comfort Control. When in-
stalled, it will allow you to view the outdoor temperature from within the conditioned
space by pressing the Filter/OD keypad button. The Comfort Control's display will
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return to normal display on its own within a few seconds.
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Backlit Display & Keys
The liquid crystal display and keypad will illuminate whenever a keypad button is
pressed to improve thermostat visibility. The back light stays on for 20 seconds after
the last key press. The Up and Down arrows are continuously lit.
Cooling Droop
Cooling Droop is an automatic function that cycles the compressor on to improve
indoor comfort by removing moisture from the air. The Droop cycle is activated when
space temperature is at or below the cooling sensible temperature setpoint. When this
function is active, the control will control indoor temperature at 1 or 2 degrees below
cooling setpoint. The Droop cycle is deactivated when the indoor temperature rises
above the cooling setpoint.
Keypad Lock
Locking the control keypad can help prevent unwanted tampering or changing the
control settings by pressing the controls UP and DOWN arrow keypad buttons at the
same time and holding for 2 seconds. The "KEYPAD LOCKED" icon will appear on
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the control's display. Repeating this combination unlocks the keypad.
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Adjusting to
new setting
Appears when
equipment is
energized.