Trane TCONT401AN21MA Owner's Manual page 12

Auto Changeover
When the system mode is set to Auto, the control automatically switches between heating and
Features
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 - (optional sensor must be installed)
View outdoor temperature from within the conditioned space by pressing the Filter/OD
keypad button. The Comfort Control's display will return to normal display on its own
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within a few seconds.
Pub. No. 22-5206-01
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 10 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 tem-
perature 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 the control's display.
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Pub. No. 22-5206-01 Repeating this combination unlocks the keypad.
Adjusting to
new setting
Appears when
equipment is
energized.