System information

DCN: 141-01070-03 TR40 Thermostat Manual 7
Pushing the UP button will increment the setpoint value by one degree and conversely, pushing the Down
button will decrement the setpoint one degree. Pushing and holding a button down will cause the setpoint to
continuously change until the button is released.
Main Thermostat Screen
The setpoint can be set from 40°F to 99°F ( 5°C to 37°C), unless limited in the Installer Settings.
Main Thermostat Screen
MENU Button
The Menu button changes the screen display to the MAIN MENU screen which show what other functions
are available on the Thermostat. These are dynamic and can change with the version of the thermostat you
have, but the standard ones include:
Main Thermostat Screen
Menu Button
q Main Menu Screen
§ Messages
§ Schedules
§ User Settings
§ Thermostat Info
Main Thermostat Screen
MODE Button
The MODE button controls the HVAC system mode. The current mode selected is displayed above the
button. Pushing the MODE button will cause the mode and display to change to the next mode. The system
mode cycles from Off to Heat to Cool to Auto and back to Off again with each push of the MODE button.
When the HVAC system type is set to Heat Pump, the mode selection will include EH for Emergency Heat
mode.
Mode Button
§ Off
§ Heat
§ Cool
§ Auto
§ EH
Off Mode: System is off. No heating or cooling will come on.
Heat Mode: Only heating will occur.
Cool Mode: Only cooling will occur.
Auto Mode: Heating or cooling will come on according to the heating and cooling setpoints. The
system will automatically switch between heating and cooling when the temperature exceeds the
setpoints.
Note that you cannot lower the cooling setpoint below the heating setpoint. The thermostat will
“push” the heating setpoint lower if try to lower the cooling below the heating setpoint. It
maintains a 3 degree separation between the heating and cooling setpoint. The same is true for
RUN
AUTO
FAN
OFF
MODE
MENU
RUN
AUTO
FAN
OFF
MODE
MENU