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APPLICATION
The XT300C Deluxe Programmable Heat-Cool Thermostat provides electronic control of 24 Vac single-stage heating and
cooling systems. Refer to Table 1 for a general description of the thermostat. This thermostat is powered by the heating system
only. Refer to Wiring for information on wiring for cooling-only applications.
Model
System
Changeover
XT300C Heat-Cool
Automatic
RECYCLING NOTICE
If this thermostat is replacing a thermostat that contains
mercury in a sealed tube, do not place your old
thermostat in the trash.
Contact your local waste management authority for
instructions regarding recycling and the proper
disposal of the old thermostat.
INSTALLATION
When Installing this Thermostat...
1. Read these instructions carefully. Failure to follow the
instructions can damage the product or cause a
hazardous condition.
2. Check the ratings given in the instructions and on the
product to make sure the product is suitable for your
application.
3. Installer must be a trained, experienced service
technician.
4. After completing installation, use these instructions
to check out the product operation.
Location
Install the thermostat about 5 ft (1.5m) above the floor in an
area with good air circulation at average temperature. See
Fig. 1. Avoid installing the thermostat where it can be affected
by the following:
• Drafts, or dead spots behind doors and in corners.
• Hot or cold air from ducts.
• Radiant heat from sun or appliances.
• Concealed pipes and chimneys.
• Unheated (uncooled) areas such as an outside wall
behind the thermostat.
® U.S. Registered Trademark
Copyright © American Standard Inc. 1999
XT300C Deluxe Programmable
Heat-Cool Thermostat
Table 1. Description of XT300C
System
Fan
Selection
Selection
Heat-Off-Cool -
On-Auto
Auto
Wallplate Installation
Position wallplate horizontally on the wall or on a 2 in. x 4 in.
wiring box.
Comments
System and fan selections are done by
keyboard.
1. Position and level the wallplate for appearance only (the
thermostat will function properly even when
not level).
NO
NO
[1.5 METERS]
Fig. 1. Typical location of thermostat.
18-HD25D1-3
INSTALLER'S GUIDE
YES
NO
5 FEET
M17106
69-1212-1
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Related Manuals for Trane XT300C
Summary of Contents for Trane XT300C
- Page 1 INSTALLER'S GUIDE APPLICATION The XT300C Deluxe Programmable Heat-Cool Thermostat provides electronic control of 24 Vac single-stage heating and cooling systems. Refer to Table 1 for a general description of the thermostat. This thermostat is powered by the heating system only. Refer to Wiring for information on wiring for cooling-only applications.
- Page 2 TAYSTAT253A HEAT RELAY 1 WALL ANCHORS TRANSFORMER POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M17114 Fig. 3. Typical hookup of XT300C in a heat-cool system with one transformer. MOUNTING HOLES MOUNTING SCREWS FOR STRAIGHT M15044 INSERTION STRIP FOR WRAPAROUND 5/16 IN.
- Page 3 TO ANOTHER DAY COOLING SETPOINTS NUMBER OF DAYS COOL, OFF, AUTO) M17118 Fig. 6. XT300C key locations and descriptions. Using Thermostat Keys Fan settings control the system fan as follows: On: Fan operates continuously. The thermostat keys are used to: Auto: Fan operates with equipment.
- Page 4 Table 3. The table includes all the Wake LeaveReturnSleep Recovery Auto Repl Batt configuration options and the factory-settings for the System XT300C Deluxe Programmable Heat-Cool Thermostat . Em Heat Cool Auto Wait Auto M17111 NOTE: For most applications, the thermostat factory- settings apply.
- Page 5 Setup is complete, review the settings to confirm that they match the system and the boxes you checked in the Customizing Your Thermostat chart located in the Owners Guide. Table 3. Installer Setup Options for the XT300C. Press Time Press Increase...
- Page 6 XT300C DELUXE PROGRAMMABLE HEAT-COOL THERMOSTAT Table 3. Installer Setup Options for the XT300C (Continued) . Press Time Press Increase or Decrease to change setting Installer Actual Factory Setting Other Choices Setup Number Setting Select Display Description Display Description Outdoor No outdoor...
- Page 7 XT300C DELUXE PROGRAMMABLE HEAT-COOL THERMOSTAT Table 3. Installer Setup Options for the XT300C (Continued) . Press Time Press Increase or Decrease to change setting Installer Actual Factory Setting Other Choices Setup Number Setting Select Display Description Display Description Minimum Off...
- Page 8 XT300C DELUXE PROGRAMMABLE HEAT-COOL THERMOSTAT INSTALLER SELF-TEST Temporary Setting Enrg Set Program Start Time Set Day/Time Hold for Em Ht Room Use the Installer Self-Test to check the thermostat operation. Aux Ht Refer to Table 4 for a list of the available self-tests.
- Page 9 XT300C DELUXE PROGRAMMABLE HEAT-COOL THERMOSTAT Table 5. Installer Self-Test Options (Continued). Key to Test Press Number Description Keyboard Operation Self-Test (60) Time 60 7 Enter keyboard operation self-test. Temp 60 9 Increase test number displays. Temp 60 8 Decrease test number displays.
- Page 10 XT300C DELUXE PROGRAMMABLE HEAT-COOL THERMOSTAT DEVICE INFORMATION 4. Press Increase again to display the software revision SELF-TEST (70) number (Example: 001=Revision number 1). 1. Press Temp keys simultaneously, then press Time to access the thermostat information. M10229 5. Press the Increase again to display the model identification number.
- Page 11 XT300C DELUXE PROGRAMMABLE HEAT-COOL THERMOSTAT TROUBLESHOOTING ( C ONTINUED Symptom Possible Cause Action Heating will not come No power to the thermostat. Check for 24 Vac between R and W terminals. If missing 24 Vac: Check if the circuit breaker is tripped—reset the circuit breaker.
- Page 12 XT300C DELUXE PROGRAMMABLE HEAT-COOL THERMOSTAT American Standard Inc. Troup Highway Pub. No. 18-HD25D1-3 Printed in U.S.A. on recycled paper containing at least 10% Tyler, TX 75711-9010 69-1212—1 T. C. Rev. 3-99 69-1212—1 post-consumer paper fibers.
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