Trane XR203 Programmable Thermostat
Pub. No. 18HD50D1-1A-EN 12/2018 Part No. 37-7768003 17
6.2 Thermostat Operation
Set Current Time and Day
Note: Time icons will flash at initial power up or after a reset.
1.) Press Menu
2.) The time icon will be flashing. Press Next to advance and set
the time
3.) Use or to set the correct time
4.) Press Next and use or to set the correct day
5.) Press Exit when finished.
The default program is 5-1-1 Day, but can be setup as a 7-Day or
Non-Programmable thermostat (refer to the User Menu above).
• Hold Temperature (bypassing the schedule) – With
the System set to Heat or Cool, momentarily press the
Hold/Run button. Hold will be displayed. Use or
to adjust the temperature. The thermostat will hold the
room temperature at the selected setting until you press
Hold/Run again to start program operation (cancels
permanent Hold).
• Program Override (Temporary Hold) – Press or
until the desired temperature is displayed. The
thermostat will override the schedule until the next
programmed time period with a minimum override of 2
hours. Then the thermostat will automatically revert to
the program.
• Keypad Lockout – To prevent unwanted changes,
the buttons can be disabled. To turn this feature On,
press and hold and the Menu button until the icon
appears. To turn Off, press and hold and the Menu
button for 3 seconds.
• Circulation fan - makes sure the air is being re-
circulated by establishing a minimum run-time for the
fan regardless of whether the heating and cooling
equipment is running. When in use, “FAn” will appear on
the home screen (momentarily replacing the displayed
time). Choosing a setting of 30% will ensure the fan runs
at least 30% in a day, taking into account the time the
fan has run during any heating or cooling event.
6.1 User Menu
To customize thermostat settings, press the Menu button from the home screen. Use the or buttons to highlight Settings and press
Next. Use Next and Back to navigate through menu items. Press or to change the setting.
USER’S MENU #
(PRESS MENU BUT-
TON AND RELEASE)
DESCRIPTION
DEFAULT SETTING
(FLASHING ICONS)
SETTINGS
(PRESS OR )
01
Schedule Type: set as either 7-Day,
5-1-1 Day or Non Programmable
5
7 – 7 Day
5 – 5-1-1 Day
0 – Non-Programmable
02
Defines periods per day 4
2 - P1, P2
4 - P1, P2, P3, P4
03 E
Early Start: starts heating or
cooling early so your programmed
temperature is reached by the
programmed time
OFF
On – start early
OFF – start at program
period time
04 Fn
Circulation Fan: sets the minimum %
of time for the fan to run (takes into
account the fan run time with heat/
cool equipment)
OFF
OFF, 10 to 100
05
Fahrenheit or Celsius °F
°F – Fahrenheit
°C – Celsius
06
Temperature Display
Adjustment: adjust the Room
Temperature)
0 -5 to +5
07 dL
Continuous Display Light: keep
the backlight always on – “C” wire
required
OFF
On – always on
OFF – momentarily
08
Change Air Filter: set up a monthly
reminder
OFF
1 to 12 – reminder time
(months)
OFF – no filter reminder
09
Auto-Changeover: thermostat
automatically switches between heat
and cool
OFF
On - enable auto
OFF - disable auto
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