Test Modes; Fan Operation; Heating System; Auxiliary System - Trane XR203 Installation And User Manual

5.

TEST MODES

Turn on power to the system.
5.1

Fan Operation

If your system does not have a G terminal connection, skip to

Heating System.

1.) Press the fan button to select the On position. The blower
should begin to operate.
2.) Press the fan button to select the Auto position. The blower
should stop immediately.
NOTE: when "Circulation Fan" setting is being used, the fan will
run for at least that percentage of time taking into account
the heating and cooling run time (fan button must be in
Auto position). When in use, "FAn" will appear on the home
screen (momentarily replacing the displayed time).
5.2 Heating System
1.) Press the System button to select the Heat position. Heat
Pumps only - if the auxiliary heating system has a standing
pilot, be sure to light it.
2.) Press to adjust thermostat setting to 1° above room
temperature. The heating system should begin to operate
and the thermostat will indicate Heat On.
3.) For heat pump with auxiliary- Press
setting to 3° above room temperature. The auxiliary heat
should begin to operate and the thermostat will indicate
Heat On Aux.
4.) Press to adjust thermostat setting 1° below room
temperature. The heating system should stop operating and
the Heat On icon will disappear.
1 Note: If Starting Soon is shown on the display, the compressor lockout feature is operating. There will be up to a 5 minute delay before the
compressor turns on (see Installer Menu, item 50)
Pub. No. 18HD50D1-1A-EN
to adjust thermostat
12/2018
Part No. 37-7768003
Trane XR203 Programmable Thermostat
5.3 Auxiliary System ( only for heat
pumps with auxiliary)
1.) Press the System button to select the Aux position.
2.) Press to adjust thermostat setting to 1° above room
temperature. The auxiliary heating system should begin to
operate and the thermostat will indicate Heat On Aux.
3.) Press to adjust thermostat setting 1° below room
temperature. The auxiliary heating system should stop
operating and the Heat On Aux icon will disappear.
5.4

Cooling System

1.) Press the System button to select the Cool position.
2.) Press to adjust thermostat setting 1° below room
temperature. The blower should come on immediately on
high speed, followed by cold air circulation. The thermostat
will indicate Cool On. There can be up to a 5 minute delay.
(see INSTALLER MENU, item 50)
3.) Press to adjust thermostat setting to 1° above room
temperature. The cooling system should stop operating and
the Cool On icon will disappear.
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