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Installation and User Guide

18 Pub. No. 18HD50D1-1A-EN 12/2018 Part No. 37-7768003

6.3 Scheduling

Energy Saving Factory Schedule

This thermostat is programmed with the energy saving settings shown in the table below for all days of the week

P1/WAKE P2/LEAVE P3/RETURN P4/SLEEP

Heating Schedule 6:00 AM - 70°F 8:00 AM - 62°F 5:00 PM - 70°F 10:00 PM - 62°F

Cooling Schedule 6:00 AM - 78°F 8:00 AM - 85°F 5:00 PM - 78°F 10:00 PM - 82°F

Note:Thermostatcanbeprogrammedonorothesubbase

6.4 Modify the Heating Schedule

1.) Use the System button to select Heat

2.) Press Menu

3.) Use the button to select Schedule and press Next to enter the schedule

4.) The time icons will ﬂash – use or to set the time for the start of a period

5.) Press Next – the set point icons will ﬂash – use or to set the temperature for the current period

6.) Continue to press Next to advance through all periods (P1/Wake, P2/Leave, P3/Return, P4/Sleep) for all days of the week.

Note: Press Back to return to the previous setting. Once all days of the week have been programmed the thermostat will display End.

Press Exit at any time to save changes and return to home screen.

6.5 Modify the Cooling Schedule

1.) Use the System button to select Cool

2.) Repeat steps 2-6 from the heating schedule

6.6 Thermostat Settings

Resetting the Thermostat or Thermostat Settings

If the thermostat has good batteries, but has a blank display or does not respond to key presses, the thermostat should be reset by

removing the batteries for 2 minutes. This reset will not change the menu settings or program. If the condition persists after reinstalling

the batteries, replace the thermostat.

To conveniently reset only the schedule and user settings back to factory defaults, press Menu and Backlight buttons at the same time

and hold until the display goes blank and resets.

Trane XR203 User Manual

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