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APPLICATION
The XT302C Deluxe Programmable Heat-Cool Thermostat provides electrnic control of 24 Vac single-zone multistage systems.
Refer to Table 1 for a general description of the thermostat. This thermostat requires a common wire to supply power.
Model
System
Changeover
XT302C
Multistage
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
XT302C Deluxe Programmable
Table 1. Description of XT302C.
System Selection
Automatic
Heat-Off-Cool-Auto
Heat-Cool Thermostat
Fan Selection
On-Auto
System and fan selections are done by
keyboard.
Wallplate Installation
Position wallplate horizontally on the wall or on a 2 in. x 4 in.
wiring box.
1. Position and level the wallplate for appearance only (the
thermostat will function properly even when
not level).
NO
NO
Fig. 1. Typical location of thermostat.
18-HD25D7-5
INSTALLER'S GUIDE
Comments
YES
NO
5 FEET
[1.5 METERS]
M17106
69-1213-1
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Table of Contents
Related Manuals for Trane XT302C
Summary of Contents for Trane XT302C
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Page 1: Wallplate Installation
INSTALLER'S GUIDE APPLICATION The XT302C Deluxe Programmable Heat-Cool Thermostat provides electrnic control of 24 Vac single-zone multistage systems. Refer to Table 1 for a general description of the thermostat. This thermostat requires a common wire to supply power. Table 1. Description of XT302C. -
Page 2: Wiring
STAGE 1 CONTACTOR 1 (HOT) ANCHORS TRANSFORMER POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M17116 Fig. 3. Typical hookup of XT302C in a heat cool system. 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. XT302C key locations and descriptions. Using Thermostat Keys System settings control the thermostat operation as follows: The thermostat keys are used to: Heat: The thermostat controls the heating.
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Page 4: Temperature Settings
Table 3. The table includes all the Heat Cool configuration options and the factory-settings for the Period Time Setpoint Setpoint Setting XT302C Deluxe Programmable Multistage Thermostat . Wake 6:00 AM 70 F 78 F Auto NOTE: For most applications, the thermostat factory- (21 C) (25.5 C) settings apply. - Page 5 Can cause permanent equipment damage. Electric heat systems must be configured to 1 in Installer Setup number 2 to prevent equipment damage caused by the system running without the fan. Table 3. Installer Setup Options for the XT302C. Press Time Press Increase or Decrease...
- Page 6 XT302C DELUXE PROGRAMMABLE HEAT-COOL THERMOSTAT Table 3. Installer Setup Options for the XT302C (continued). Press Time Press Increase or Decrease to change setting Installer Actual Factory Setting Other Choices Setup Number Setting Select Display Description Display Description Conventional recovery Adaptive...
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Page 7: Setting Current Day And Time
XT302C DELUXE PROGRAMMABLE HEAT-COOL THERMOSTAT Table 3. Installer Setup Options for the XT302C (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 On 10-minute minimum on... - Page 8 XT302C DELUXE PROGRAMMABLE HEAT-COOL THERMOSTAT 2. Press Day until the current day displays. To start the self-test: Press and hold the Increase and Decrease keys at the Set Day/Time same time until all display segments and the number 10 appears (all displays segments appear for approximately...
- Page 9 XT302C DELUXE PROGRAMMABLE HEAT-COOL THERMOSTAT Table 5. Installer Self-Test Options. Key to Test Press Number Description Heating Equipment Self-Test (10) Time Enter heating equipment self-test. Temp First stage heat turns on. When Installer Setup number 2 is 1, the system fan is also energized.
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Page 10: Outdoor Temperature Sensor
XT302C DELUXE PROGRAMMABLE HEAT-COOL THERMOSTAT DEVICE INFORMATION 4. Press Increase again to display the software revision number (Example: 001=Revision number 1). SELF-TEST (70) 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 XT302C DELUXE PROGRAMMABLE HEAT-COOL THERMOSTAT TROUBLESHOOTING (Continued). Symptom Possible Cause Action Heating will not come No power to the Check for 24 Vac between R and W terminals. thermostat. If missing 24 Vac: Check if the circuit breaker is tripped—reset the circuit breaker.
- Page 12 XT302C DELUXE PROGRAMMABLE HEAT-COOL THERMOSTAT American Standard Inc. Troup Highway Pub. No. 18-HD25D7-5 Tyler, TX 75711-9010 69-1213—1 T. C. Rev. 1-99 Printed in Taiwan R.O.C. 69-1213—1 (T8624)
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