Table of Contents
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APPLICATION
The XT500C Deluxe Programmable Heat-Pump Thermostat provides electronic control of 24 Vac single-zone heat-pump
systems. Refer to Table 1 for a general description of the thermostat. This thermostat requires a common wire to supply power.
Model
System
Changeover
XT500C
Heat-Pump
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. 2000
XT500C Deluxe Programmable
Heat-Pump Thermostat
Table 1. Description of XT500C
System
Fan
Selection
Selection
Em. Heat-Heat-
On-Auto
Off-Cool-Auto
Comments
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-HD25D2-2
INSTALLER'S GUIDE
YES
NO
5 FEET
[1.5 METERS]
M17106
69-1404
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Table of Contents
Related Manuals for Trane XT500C
Summary of Contents for Trane XT500C
- Page 1 INSTALLER’S GUIDE APPLICATION The XT500C Deluxe Programmable Heat-Pump Thermostat provides electronic control of 24 Vac single-zone heat-pump 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 XT500C...
- Page 2 CONTACTOR 2 VALVE CONTROLLER TAYSENS100A RELAY TRANSFORMER 2 FEATURE NOT AVAILABLE POWER SUPPLY. PROVIDE DISCONNECT MEANS ON ALL SYSTEMS. AND OVERLOAD PROTECTION AS REQUIRED. M17108 Fig. 3. Typical hookup of XT500C in a heat pump system. Pub. No. 18-HD25D2-2 69-1404...
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Page 3: Mounting Thermostat
SELECT SYSTEM DAYLIGHT SAVINGS PROGRAMMED DAY HEATING AND EXPIRATION IN OPERATION (EM HEAT, AND STANDARD TIME TO ANOTHER DAY COOLING SETPOINTS NUMBER OF DAYS HEAT, OFF, COOL, AUTO) M14609 Fig. 6. XT500C key locations and descriptions. Pub. No. 18-HD25D2-2 69-1404... -
Page 4: Auxiliary Heat
Table 3. The table includes all the configuration options and the factory-settings for the AUX HT DISPLAYS WHEN SYSTEM CALLS FOR XT500C Deluxe Programmable Heat-Pump Thermostat . ADDITIONAL BACK-UP HEATING DURING NORMAL CONDITIONS OR IN EMERGENCY HEAT MODE. - 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 XT500C. Press Time Press Increase...
- Page 6 XT500C DELUXE PROGRAMMABLE HEAT-PUMP THERMOSTAT Table 3. Installer Setup Options for the XT500C (Continued) . Press Time Press Increase or Decrease to change setting Installer Actual Factory Setting Other Choices Setup Number Setting Select Display Description Display Description Em. Ht. cycle rate 7 5—5 cph recommended...
- Page 7 XT500C DELUXE PROGRAMMABLE HEAT-PUMP THERMOSTAT Table 3. Installer Setup Options for the XT500C (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 Heating and cooling...
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Page 8: Setting Current Day And Time
XT500C DELUXE PROGRAMMABLE HEAT-PUMP THERMOSTAT Table 3. Installer Setup Options for the XT500C (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 Time... - Page 9 XT500C DELUXE PROGRAMMABLE HEAT-PUMP THERMOSTAT Table 4. Tests Available In The Installer Self-Test. System Wait Set Program Set Day/Time Temporary Setting Em Heat Recovery Test Hold for Cool Number Self-Test Description Auto Filter Em Ht Aux Ht Days Heating Equipment...
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Page 10: Device Information
XT500C DELUXE PROGRAMMABLE HEAT-PUMP THERMOSTAT Table 5. Installer Self-Test Options ( Continued ). Key to Test Press Number Description Comfort-R Terminals Self-Test (50) Temp Enter Comfort-R self-test. Temp Reads HH terminals. If the terminals are open and Comfort-R is enabled, display reads . -
Page 11: Troubleshooting Guide
XT500C DELUXE PROGRAMMABLE HEAT-PUMP THERMOSTAT 3. Press Increase again to display the software 5. Press the Increase again to display the model identification code. identification number. (Example: 314 = Model ID 314) (Example: 200 = software ID code 200) M14617 M14615 6. - Page 12 XT500C DELUXE PROGRAMMABLE HEAT-PUMP THERMOSTAT TROUBLESHOOTING GUIDE (Continued). Symptom Possible Cause Action Heating will not come Thermostat minimum off Wait up to five minutes for the system to respond. on (continued). time is activated. System selection is not Set system selection to Heat.