Trane XT500C Thermostat User Manual

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XT500C Deluxe Programmable  
Heat Pump Thermostat  
OWNER’S GUIDE  
Pub. No. 22-5128-02  
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TABLE OF CONTENTS  
CUSTOMIZING YOUR THERMOSTAT .............................................................................................................  
5
Program Options Set-Up by Your Trane Dealer ............................................................................................ 5-6  
GETTING AROUND THE KEYBOARD............................................................................................................. 7-8  
Emergency Heat ...........................................................................................................................................  
Auxiliary Heat ................................................................................................................................................  
9
9
FEATURES ........................................................................................................................................................ 10  
FEATURES YOU’LL WANT TO KNOW MORE ABOUT................................................................................... 11  
Comfort-R Comfort Enhancement System.................................................................................................... 11  
Adaptive Intelligent Recovery Control ........................................................................................................... 12  
The Optimum Comfort and Energy Savings Solution ...............................................................................  
13  
NEAT STUFF YOU’LL BE USING OFTEN ....................................................................................................... 15  
Setting Temporary Temperatures .................................................................................................................. 15  
Changing Temperature Setting Until the Next Schedule Period.................................................................... 15  
Changing Temperature Setting Indefinitely ................................................................................................... 17  
Vacation Mode............................................................................................................................................... 20  
Information Key ............................................................................................................................................. 24  
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Displaying Outdoor Temperature................................................................................................................... 24  
Displaying Current Settings........................................................................................................................... 25  
Filter Indication .............................................................................................................................................. 26  
Setting or Resetting Filter Indication Timer ................................................................................................... 26  
PROGRAMMING YOUR THERMOSTAT .......................................................................................................... 29  
Clock ............................................................................................................................................................. 29  
Setting Current Day and Time ....................................................................................................................... 29  
Setting System and Fan ................................................................................................................................ 32  
Set System .................................................................................................................................................... 32  
Set Fan.......................................................................................................................................................... 32  
7-Day Program and Operation ...................................................................................................................... 33  
7-Day Preprogrammed Schedule .................................................................................................................. 33  
Customizing Your Own 7-Day Schedule ....................................................................................................... 35  
Programming the First Day ........................................................................................................................... 39  
Copying a Day............................................................................................................................................... 44  
Clearing Schedule Period ............................................................................................................................. 47  
24-Hour Program and Operation ................................................................................................................... 50  
24-Hour Preprogrammed Schedule .............................................................................................................. 50  
Customizing Your Own 24-Hour Schedule .................................................................................................... 51  
Programming Your 24-Hour Schedule .......................................................................................................... 52  
Constant Temperature Setpoint Programming .............................................................................................. 57  
Setting Temperature and Fan Operation ....................................................................................................... 57  
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TROUBLESHOOTING....................................................................................................................................... 60  
DEFINITIONS .................................................................................................................................................... 63  
INDEX ................................................................................................................................................................ 66  
LIMITED WARRANTY ....................................................................................................................................... 67  
CUSTOMER ASSISTANCE ............................................................................................................................... 68  
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CUSTOMIZING YOUR THERMOSTAT  
Program Options Set-Up by Your Trane Dealer  
Your Trane dealer has programmed your thermostat using the options checked below. For example, your  
thermostat displays temperatures in degrees Fahrenheit if the checkbox next to Fahrenheit (°F) is checked.  
Contact your Trane dealer to reprogram any of the options listed.  
NOTE: If no options are checked, those listed in the first column are the factory settings on your thermostat.  
Refer to the Definitions section for a description and comparison of Adaptive Intelligent Recovery™ Control (a  
Honeywell trademark) to Conventional recovery.  
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Comfort-R™ Control  
❑
❑
Off  
On  
❑
❑
On  
Adaptive Intelligent  
Recovery™ Control  
Off (Conventional recovery)  
Cooling Droop  
❑
❑
❑
❑
On  
❑
❑
❑
❑
Off  
Temperature Display  
Clock Format  
Fahrenheit (°F)  
12-Hour Clock Format  
Centigrade (°C)  
24-Hour Clock Format  
System Setting  
(Heating and Cooling  
Setting)  
Auto/Manual (System  
automatically selects  
Heat or Cool; You can  
select Em. Heat, Heat,  
Cool or Off.)  
Manual Only (You  
select Em. Heat, Heat,  
Cool or Off.)  
❑
Auto only (System  
automatically  
selects Heating or  
Cooling.)  
Outdoor Temperature  
Display  
❑
❑
No outdoor  
temperature is  
displayed  
❑
❑
Outdoor temperature  
is displayed (requires  
an outdoor sensor).  
Programming  
7-Day Programming  
24-Hour Programming  
❑
Constant Temp-  
erature Setpoint  
Programming  
NOTE: The XT500C thermostat is manufactured for the Trane Company by Honeywell Inc. Specific features  
are unique to Trane and are only available on Trane models.  
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GETTING AROUND THE KEYBOARD  
The keyboard is located behind the thermostat cover. Three frequently used keys are located next to the display  
(Increase temperature setting, Decrease temperature setting, and Information key). The thermostat displays  
important information such as day, time, schedule period, temperature, filter indicator, system and fan operation.  
WHAT'S THE ROOM TEMPERATURE?  
WHAT TIME IS IT?  
DISPLAY IS BACKLIT  
FOR EASY READABILITY  
WHEN A KEY IS PRESSED.  
INCREASE TEMPERATURE SETTING.  
DECREASE TEMPERATURE SETTING.  
WHAT DAY IS IT?  
INFORMATION AT YOUR FINGERTIPS!  
DISPLAY THE OUTDOOR  
CURRENT PROGRAMMING  
PERIOD (EXAMPLE  
TEMPERATURE (ON SOME MODELS),  
CHECK YOUR CURRENT TEMPERATURE  
SETTINGS, OR DISPLAY FILTER USE  
IN NUMBER OF DAYS.  
DISPLAY SHOWS "WAKE")  
CURRENT FAN  
SETTING (EXAMPLE  
DISPLAY SHOWS "AUTO")  
CURRENT SYSTEM  
SETTING (EXAMPLE  
DISPLAY SHOWS "HEAT")  
DAYLIGHT  
SAVINGS TIME  
INDICATOR  
FILTER  
EXPIRATION  
INDICATOR  
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NO NEED TO WORRY ABOUT  
PRESSING THE WRONG KEY!  
RUN PROGRAM, RETURN  
TO NORMAL OPERATIONS,  
OR UNDO LAST ACTION.  
SET CURRENT DAY AND TIME (INITIALLY  
AND AFTER EXTENDED POWER OUTAGES).  
PROGRAM SCHEDULING KEYS  
PROGRAM UP TO FOUR TIME  
PERIODS AND TEMPERATURES  
FOR EACH DAY OF THE WEEK.  
SELECT SYSTEM OPERATION  
(EM. HEAT, HEAT, COOL, OFF, AUTO).  
Set Current  
Run  
Leave  
Wake  
Return  
Sleep  
Fan  
Day/Time  
Program  
HOLD MODE: OVERRIDE  
NORMAL PROGRAMMING  
OPERATION, OR GO  
Time  
Copy  
Set Program  
CHOOSE FAN OPERATION (ON OR  
AUTO), OR CHOOSE FAN OPERATION  
FOR EACH PROGRAM PERIOD OF  
THE DAY ON SELECT MODELS.  
Heat/Cool  
Settings  
Hold Temp  
Day  
Filter  
System  
INTO VACATION MODE!  
Daylight  
Time  
SET CURRENT OR  
PROGRAM DAY  
NO MORE GUESSING! SELECT  
FILTER EXPIRATION TO REMIND  
YOU TO CHANGE THE FILTER.  
EASILY CHANGE  
BETWEEN STANDARD AND  
DAYLIGHT SAVINGS TIME  
EASY PROGRAMMING!  
COPY ONE  
PROGRAMMED DAY  
TO ANOTHER DAY  
TIME KEYS  
INCREASE OR  
SWITCH BETWEEN  
HEATING AND COOLING  
TEMPERATURE SETTINGS  
DECREASE TIME  
SETTING FOR  
CURRENT OR  
PROGRAMMED  
TIMES.  
Time  
M13301  
SET SLEEP TIMES  
AND TEMPERATURES  
SET WAKE TIMES  
AND TEMPERATURES  
Leave  
Set Program  
Wake  
Return  
Sleep  
SET LEAVE TIMES  
AND TEMPERATURES  
SET RETURN TIMES  
AND TEMPERATURES  
M17032  
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EM HT DISPLAYS WHEN SYSTEM CALLS FOR  
HEAT IN EMERGENCY HEAT MODE.  
Emergency Heat  
The Emergency Heat feature allows you to “turn on”  
the electric heat section of the system by moving the  
system switch to the Em. Ht. position. The LED lights  
and the thermostat displays “Em. Ht.” when the  
system calls for emergency heating. The thermostat  
may also display “Aux. Ht.” if the system calls for  
additional back-up heating (see figure to right).  
AUX HT DISPLAYS WHEN SYSTEM CALLS FOR  
ADDITIONAL BACK-UP HEATING DURING NORMAL  
CONDITIONS OR IN EMERGENCY HEAT MODE.  
Em Ht  
Aux Ht  
System  
Em Heat  
FLAME DISPLAYS DURING CALL FOR HEAT.  
EM HT DISPLAYS WHEN SYSTEM SWITCH  
IS IN EMERGENCY HEAT POSITION.  
M13302  
When the heat pump requires servicing, the LED  
lights and the system automatically activates emer-  
gency heat. After contacting your service technician,  
clear the LED signal by moving the system switch to  
Em. Ht. then back to Heat or Auto.  
Auxiliary Heat  
The auxiliary heaters assist the heat pump under  
normal conditions when low outdoor temperature  
occurs. The auxiliary heaters may also operate while  
in the recovery mode to maintain comfort level. The  
thermostat displays “Aux. Ht. ” (see figure above)  
when the auxiliary heating equipment operates.  
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while on vacation. At the same time, set the  
comfort level you want when you return.  
Permanent schedule override—set the  
thermostat higher or lower indefinitely.  
Set the filter indicator (0, 7, 14, 21, 30, 45, 60,  
90, 120, 180, 270, or 360 days) to remind you to  
change the filter.  
Information at the press of a button—use the  
Information Key to find out the outdoor  
temperature (optional accessory), the current  
setpoints, or the filter status.  
No batteries needed—your thermostat retains  
the schedule for the life of the product. You  
never have to reprogram the schedule even  
after a power outage. (The day and time may  
need to be reset after an extended power  
outage.)  
FEATURES  
•
•
•
•
Worry-free programming.  
Comfort-R Comfort Enhancement Process—a  
unique Trane feature.  
•
•
•
•
•
Adaptive Intelligent Recovery Control for  
comfort and energy savings.  
Wake, Leave, Return and Sleep at the comfort  
level you select.  
Customize the program schedule—program  
your own schedule to fit your needs.  
Continuous comfort and energy savings—  
adjust the schedule as often as you like.  
Temporary schedule override—set the  
thermostat higher or lower for the current  
program schedule.  
•
•
•
Vacation mode (1 to 255 days) for added  
comfort and energy savings. Set the  
temperature higher or lower for energy savings  
•
Set or reset the day and time as needed—you  
can even set Daylight Savings Time.  
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The Comfort-R™ system is specifically designed to  
enhance the moisture removal process of your air  
conditioning system and to make the air drier. This  
system is so unique, it received a patent from the U.S.  
Patent Office. During times of high relative humidity,  
as well as during mild weather, the Comfort-R system  
increases the moisture removal ability of your air-  
conditioning system. This results in a lower relative  
humidity inside your home, which in turn, allows you  
to feel more comfortable. The resulting lower relative  
humidity also allows you to maintain the temperature  
setting on your thermostat at a higher temperature.  
FEATURES YOU’LL WANT TO  
KNOW MORE ABOUT  
Comfort-R Comfort Enhancement System  
Comfort can best be described as the proper balance  
of temperature and relative humidity, also known as  
“your comfort index.” The greatest level of comfort is  
achieved when the temperature and relative humidity  
are in balance with your body. When the relative  
humidity is low, you feel comfortable at a higher  
temperature. Likewise, when the relative humidity is  
high, you feel comfortable only at a lower tempera-  
ture. However, if the relative humidity becomes too  
high, then true comfort cannot be achieved at any  
temperature.  
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these three things, Adaptive Intelligent Recovery™  
control gradually changes the temperature from the  
energy savings setting to the comfort setting (for  
example, from a heating temperature of 62° at night to  
70° in the morning).  
Adaptive Intelligent Recovery Control  
Your Thermostat Senses Temperature  
More Like You Do  
Your new thermostat is so smart, it’s almost human. You  
perceive temperature from a variety of sources, not only  
from the air in the room, but also from your surrounding  
walls, windows and furnishings. Humans feel differences  
in temperature as slight as two degrees Fahrenheit.  
Common household thermometers and standard  
thermostats sense only air temperature, which may not  
reflect how hot or cold the room actually feels to you.  
Your new thermostat reads both the temperature of the  
wall and the air, and responds to temperature changes  
as little as one degree Fahrenheit, so room temperature  
is more likely to feel right to you and your family.  
The system runs continuously until the comfort tempera-  
ture you choose is reached without overshooting the  
setting. This saves energy. How do you know when the  
system is in recovery? The thermostat displays In  
Recovery whenever the thermostat activates Adaptive  
Intelligent Recovery Control. So, In Recovery displays  
during the recovery time from Sleep to Wake and from  
Leave to Return.  
AM  
Room  
The Deluxe Programmable Heat Pump Thermostat acts  
like a computer. When calculating the time to turn on  
your heating or cooling system, it considers (1) air  
temperature, (2) wall temperature, and (3) the time you  
want to reach the comfort temperature. After considering  
Mon  
Sleep In Recovery  
System  
Heat  
Fan  
Auto  
M10344  
indication shown in example above.  
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After installation or new schedule programming, your  
thermostat learns from experience. How? Each day it  
checks how closely it hit the recovery target (for  
example, 70° at 6:00 AM) and adjusts the next day’s  
recovery start time accordingly. After four to eight  
days, the thermostat has adjusted to local weather,  
your lifestyle, the construction of your home, and your  
heating and cooling system.  
Your new thermostat saves energy and keeps you  
comfortable at the same time. By now you may be  
wondering how to program your thermostat and how  
to use some more time and energy-saving features.  
First, let’s look at features you’ll be using often, like  
how to override the current programming mode or  
hold the thermostat at a specific temperature while  
you go on vacation. You can even program the  
thermostat to return to normal scheduled program-  
ming on your last day of vacation so you don’t have to  
worry about energy saving while you are gone or not  
being comfortable when you return.  
The Optimum Comfort and  
Energy Savings Solution  
In this example, Adaptive Intelligent Recovery Control  
starts to recover at 4:00 AM and reaches the comfort  
temperature of 68° at 7:00 AM. Recovery time varies  
with the starting temperature and the comfort tem-  
perature you choose.  
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At 7:00 AM System  
Operating in Comfort Mode  
AM  
SET  
PT  
P
TUE
At 6:00 AM  
Recovery  
Continues  
MORNING LE ULTOCE
AM  
PM  
SET  
PT  
TUE HEAT ON  
WAKE LEAVE RETURN NIGHT MPORARY UNOCCUIPIED  
At 5:00 AM  
Recovery  
Continues  
AM  
SET  
PT  
TUE HEAT ON  
E VENIGHT TERCE
At 4:00 AM  
Recovery Begins  
AM  
P
SET  
PT  
MON T
E VENIGHT TACE
ENERGY  
SAVINGS  
PERIOD  
COMFORT  
PERIOD  
RECOVERY FROM ENERGY SAVINGS  
TIME  
THE THERMOSTAT USES THE SAME SCHEME TO RETURN GRADUALLY  
TO LOWER COMFORT TEMPERATURE DURING THE COOLING SEASON.  
M17033  
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NEAT STUFF YOU’LL BE USING OFTEN  
Setting Temporary Temperatures  
If your thermostat is set for 7-Day or 24-Hour Operation, you can override the current schedule period and  
change the temperature setting until the next schedule period, or change the temperature setting while you are  
on vacation. You can also change the temperature setting indefinitely.  
Changing Temperature Setting Until the Next Schedule Period  
NOTE: This feature does not apply to Constant Temperature Setpoint Programming.  
Press Increase ▲ or Decrease ▼ until the desired  
Temporary Setting  
temperature setpoint displays.  
M17035  
While selecting a temporary setting, only the setpoint displays.  
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The temporary temperature setting you select displays for approximately 3 seconds. The display reads  
Temporary until the next period begins, or you cancel the Hold.  
Run  
Program  
Temporary  
To cancel the Hold before the designated  
time, press  
AM  
.
Mon  
System  
Heat  
Fan  
Auto  
Heat  
M12984  
After selecting a temporary setting, display reads Temporary until canceled.  
Example displays shows temporary heat setting of 70° at 6:00 AM.  
NOTE: If “▲” or “▼” appears under the temperature display, it means that both the heating and cooling  
setpoints are being adjusted. Tapping the key changes both the heat and cool setpoints by one degree.  
Press  
after the desired setpoint is reached to verify the setpoints.  
NOTE: While in temporary operation, the thermostat uses conventional recovery for that period only. The  
thermostat assumes you desire to maintain the temporary setting until the end of the period.  
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Changing Temperature Setting Indefinitely  
NOTE: This feature does not apply to Constant Temperature Setpoint Programming.  
NOTE: The current time does not display while in this mode.  
1. Press Hold Temp once.  
Hold Temp  
Setting  
Heat  
System  
Heat  
Fan  
Auto  
M17040  
Pressing Hold Temp once displays the thermostat in Hold mode.  
Example display shows temporary heat setting of 60°.  
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2. Press Increase ▲ or Decrease ▼ to  
Setting  
change the temperature setpoint, if desired.  
Heat  
System  
Heat  
Fan  
Auto  
M17041  
By pressing the Temperature keys, you can select a temporary temperature.  
This temperature setting remains until the hold is canceled.  
Example displays shows heat set to 61°.  
3. Press Heat/Cool Settings to change  
Heat/Cool  
Settings  
Setting  
between heat and cool settings.  
Cool  
Fan  
System  
Heat  
Auto  
M17042  
Pressing Heat/Cool Settings displays the other temperature setpoint.  
Example displays shows temporary cooling setting of 78°.  
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4. Press Increase ▲ or Decrease ▼ to adjust  
Setting  
temperature settings.  
Cool  
Fan  
System  
Heat  
Auto  
M17043  
Pressing the Temperature keys changes the temporary temperature.  
Example displays shows temporary cooling setting of 80°.  
NOTE: The display changes from the setpoint to the room temperature after approximately 3 seconds.  
Run  
Program  
To cancel the Hold, press  
.
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Vacation Mode  
NOTE: This feature does not apply to Constant Temperature Setpoint Programming.  
1. Press Hold Temp twice.  
Hold Temp  
Setting  
Hold for  
Mon  
Wake  
System  
Heat  
Days  
Heat  
Fan  
Auto  
M17036  
Pressing Hold Temp twice displays the thermostat in Vacation mode.  
Example displays shows temporary heat setting of 60°.  
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2. Press Time ▲ or Time ▼ until the desired  
Setting  
number of days displays (1 to 255 days).  
Hold for  
Time  
Fri  
Days  
Heat  
Wake  
System  
Heat  
Fan  
Auto  
M17037  
By pressing the Time keys, the number of vacation days is selected.  
Example displays shows 18 vacation days.  
3. Press Wake, Leave, Return or Sleep to select the  
Setting  
period the Hold will stop.  
Hold for  
Wake  
Leave  
Return  
Sleep  
Fri  
Return  
Days  
Heat  
System  
Heat  
Fan  
Auto  
M17038  
In this example, the Hold will stop after the 18th day  
at the beginning of the Return period.  
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4. Press Increase ▲ or Decrease ▼ to adjust  
Setting  
the temperature setting, if desired.  
Hold for  
Fri  
Return  
Days  
Heat  
System  
Heat  
Fan  
Auto  
M17039  
By pressing Temperature keys, a new hold temperature is selected.  
Example display shows temporary heat setting of 55°.  
NOTE: Only the heating temperature is used when the System is set to Heat. Similarly, only the cooling  
temperature is used when the System is set to Cool. The thermostat uses both the heating and  
cooling temperatures when the System is set to Auto.  
5. Press Heat/Cool Settings to change between heat and cool settings.  
Heat/Cool  
Settings  
6. Press Increase ▲ or Decrease ▼ to adjust the temperature setting, if desired.  
(Example: Cool 84° = cooling equipment operates when the room temperature is  
above 84°F)  
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Run  
Program  
To cancel the Hold before the designated time, press  
.
Pressed the wrong key?  
Want to start over?  
Don’t worry! You can always press  
Run  
Program  
to return display to normal.  
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Information Key  
The Information key provides information at your  
fingertips. The sequence of key presses is as follows:  
•
•
•
•
Outdoor Temperature (if equipped)  
Current Setpoint of Mode in Use (Heat or Cool)  
Setpoint of Mode Not Currently in Use  
Filter Status  
M17044  
INFORMATION KEY  
If the filter status is expired (refer to Filter Indication section), the sequence of  
key presses is as follows:  
•
•
•
•
Filter Status  
Outdoor Temperature (if equipped)  
Current Setpoint of Mode in Use (Heat or Cool)  
Setpoint of Mode Not Currently in Use  
Displaying Outdoor Temperature  
Press  
once to display the outdoor  
temperature (if equipped).  
Outdoor  
NOTE: If the filter status is expired, press  
twice to display outdoor temperature.  
M17045  
Pressing  
key once displays the outdoor temperature.  
Example displays shows outdoor temperature at 50°.  
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Displaying Current Settings  
Press  
twice to check the current  
temperature setpoint. Press  
three times  
to check the temperature setpoint of the  
Cool  
mode not currently in use.  
NOTE: Without outdoor temp. sensor, press  
once  
M17046  
to display current setpoint; twice for opposite  
setpoint.  
Pressing  
key twice displays current setpoint.  
Example displays shows cooling setpoint of 75°.  
NOTE: If the filter status is expired, press  
three  
times to check current temperature setpoint,  
if equipped w/outdoor sensor.  
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Filter Indication  
Your thermostat monitors the time the fan is running  
and lets you know when to replace the filter, based on  
the number of fan run-time days you select. Upon  
expiration, the thermostat displays Filter and the  
backlight flashes during the Wake and Return modes.  
M17047  
FILTER EXPIRATION INDICATOR  
To temporarily cancel the flashing  
display, press  
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Setting or Resetting Filter Indication Timer  
Your thermostat comes preset to the 30-day setting. To change this setting, or reset after filter expiration, follow  
these instructions:  
1. Press Filter to enter the Filter mode.  
Filter  
Setting  
Days  
Filter  
M17048  
Pressing the Filter key displays filter information.  
In this example, current fan run time is 5 days and the filter is set to expire in 30 days.  
2. Press and hold Filter for at least  
Filter  
Setting  
3 seconds to reset fan run time to  
zero.  
Days  
Filter  
M17049  
Holding down the Filter key resets counter to “0” days.  
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3. Press Time ▲ or Time ▼ until the desired number of days displays (0, 7, 14, 21, 30, 45, 60, 90,  
120, 180, 270, or 360).  
Run  
Program  
4. Press Run Program to return to normal operation.  
To track the time the fan is running, you must select a setting other than 0. If the setting is  
0 days, the display will always show “0 Days; 0 Setting” when Filter is pressed.  
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PROGRAMMING YOUR THERMOSTAT  
Clock  
Setting Current Day and Time  
Always press the keys with your fingertip or similar blunt tool. Sharp instruments like pens and pencil  
points will damage the keyboard.  
On initial power up or after an extended power loss,  
1:00 PM flashes on the display until a key is pressed.  
Set Day/Time  
Pressed the wrong key?  
Want to start over?  
Room  
PM  
Mon  
System  
Fan  
Auto Wait  
Auto  
Don’t worry! You can always press  
M12950  
Run  
Program  
to return display to normal.  
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1. Press Set Current Day/Time.  
Set Current  
Day/Time  
Set Day/Time  
PM  
Mon  
M17050  
Pressing Set Current Day/Time displays the information shown.  
2. Press Day until the current day displays.  
Set Day/Time  
Day  
NOTE: Mon = Monday, Tue = Tuesday,  
Wed = Wednesday,  
PM  
Tue  
Thu = Thursday, Fri = Friday,  
Sat = Saturday, Sun = Sunday.  
M17051  
By Pressing Day, you can set the current day.  
Example display shows Tuesday.  
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3. Press Time ▲ or Time ▼ until the  
Set Day/Time  
current time displays.  
AM  
Time  
NOTE: Tapping Set Current Day/  
Time advances the time in  
one-hour increments.  
Tue  
M17052  
By Pressing Time, you can set the current time.  
Example display shows 8:15 AM.  
NOTE: If the current time is Daylight  
Savings Time, press  
Daylight  
Time  
Set Day/Time  
AM  
Daylight Time until DST  
displays.  
Tue  
M17053  
By Pressing Daylight Time, you can set Daylight Savings Time.  
Run  
Program  
4. Press Run Program to return to normal operation.  
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Setting System and Fan  
The system default setting is Heat and the fan default setting is Auto. Use the System and Fan keys to change the  
settings. The fan settings can be set for each schedule period individually. The system selection is for all the  
schedule periods.  
Set System  
Press System until the desired system displays (Em.  
Heat, Heat, Off, Cool, or Auto).  
System  
Em. Heat: The thermostat controls only the backup  
heat. The heat pump is off.  
Heat: The thermostat controls the heating.  
Off: Both the heating and cooling are off.  
System  
Em Heat  
Heat  
Cool Auto  
Off  
Cool: The thermostat controls the cooling.  
Auto: The thermostat automatically changes  
between heating and cooling operation, depend-  
ing on the indoor temperature.  
M13303  
Set Fan  
Fan  
Press Fan until the desired mode displays (On or Auto).  
On: Fan operates continuously.  
Auto: Fan operates only when heating or cooling.  
Fan  
OnAuto  
M17055  
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7-Day Program and Operation  
Your thermostat comes preset for 7-Day Operation unless otherwise noted on page 6. After reviewing the options  
following this section, you may find that 24-Hour Operation or Constant Temperature Setpoint Programming is  
better for you and your family. If so, please consult your Trane dealer or service technician.  
During 7-Day Operation, you can set your thermostat for  
Setting  
Set Program  
four periods (Wake, Leave, Return and Sleep) and up to  
eight temperatures (four Heat and four Cool) for each day  
of the week. Each day can be the same or different.  
AM  
Mon  
Wake  
Heat  
Fan  
Auto  
M12958  
During 7-Day Operation, one day of the week displays in program mode  
(Monday is shown in the example).  
7-Day Preprogrammed Schedule  
If your thermostat is set for 7-Day Operation, follow the steps below. Otherwise, refer to 24-Hour Program and  
Operation, or Constant Temperature Setpoint Programming.  
The preprogrammed schedule is shown in Table 1 (same schedule for all days of the week). You may keep this  
schedule or organize your own.  
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Table 1. 7-Day Preprogrammed Schedule.  
WAKE  
LEAVE  
RETURN  
SLEEP  
SUNDAY  
TIME  
FAN  
H 70  
6:00 AM  
AUTO  
C 78  
TIME  
FAN  
H 62  
8:00 AM  
AUTO  
C 85  
TIME  
FAN  
H 70  
5:00 PM  
AUTO  
C 78  
TIME  
FAN  
H 62  
10:00 PM  
AUTO  
C 75  
MONDAY  
TIME  
FAN  
H 70  
6:00 AM  
AUTO  
C 78  
TIME  
FAN  
H 62  
8:00 AM  
AUTO  
C 85  
TIME  
FAN  
H 70  
5:00 PM  
AUTO  
C 78  
TIME  
FAN  
H 62  
10:00 PM  
AUTO  
C 75  
TUESDAY  
WEDNESDAY  
THURSDAY  
FRIDAY  
TIME  
FAN  
6:00 AM  
AUTO  
C 78  
6:00 AM  
AUTO  
C 78  
6:00 AM  
AUTO  
C 78  
6:00 AM  
AUTO  
C 78  
TIME  
FAN  
8:00 AM  
AUTO  
C 85  
8:00 AM  
AUTO  
C 85  
8:00 AM  
AUTO  
C 85  
8:00 AM  
AUTO  
C 85  
TIME  
FAN  
5:00 PM  
AUTO  
C 78  
5:00 PM  
AUTO  
C 78  
5:00 PM  
AUTO  
C 78  
5:00 PM  
AUTO  
C 78  
TIME  
FAN  
10:00 PM  
AUTO  
H 70  
H 62  
H 70  
H 62  
C 75  
TIME  
FAN  
H 70  
TIME  
FAN  
H 70  
TIME  
FAN  
H 70  
TIME  
FAN  
H 62  
TIME  
FAN  
H 62  
TIME  
FAN  
H 62  
TIME  
FAN  
H 70  
TIME  
FAN  
H 70  
TIME  
FAN  
H 70  
TIME  
FAN  
H 62  
TIME  
FAN  
H 62  
TIME  
FAN  
H 62  
10:00 PM  
AUTO  
C 75  
10:00 PM  
AUTO  
C 75  
10:00 PM  
AUTO  
C 75  
SATURDAY  
TIME  
FAN  
H 70  
6:00 AM  
AUTO  
C 78  
TIME  
FAN  
H 62  
8:00 AM  
AUTO  
C 85  
TIME  
FAN  
H 70  
5:00 PM  
AUTO  
C 78  
TIME  
FAN  
H 62  
10:00 PM  
AUTO  
C 75  
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Customizing Your Own 7-Day Schedule  
Before starting the programming procedure, use Tables 2 and 3 to organize your schedule. The preprogrammed  
schedule is shown in Table 1. Four time periods are available for each day of the week – WAKE, LEAVE,  
RETURN, and SLEEP.  
A Word About Power Outages  
Don’t worry! Your thermostat retains the schedule (preprogrammed or your own) for the life of the product.  
The clock and day information is retained for a minimum of ten minutes during a power outage. After a  
longer power outage, the current time and day may need to be set (1:00 PM flashes on the display), but  
the schedule is retained.  
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Instructions  
1. Write in the time you want each schedule period to begin.  
2. Write in the heating temperature (H) and cooling temperature (C) you want for each period.  
3. Circle the fan operation you desire for each period.  
4. Begin with Programming the First Day!  
Pressed the wrong key?  
Want to start over?  
Don’t worry! You can always press  
Run  
Program  
to return display to normal.  
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Table 2. Your 7-Day Schedule.  
WAKE  
LEAVE  
RETURN  
SLEEP  
SUNDAY  
TIME  
FAN  
H
TIME  
FAN  
H
TIME  
FAN  
H
TIME  
FAN  
H
TIME  
FAN  
H
TIME  
FAN  
H
TIME  
FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
ON  
ON  
ON  
ON  
ON  
ON  
ON  
MONDAY  
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
TUESDAY  
WEDNESDAY  
THURSDAY  
FRIDAY  
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
SATURDAY  
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
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Table 3. An Extra 7-Day Schedule.  
WAKE  
LEAVE  
RETURN  
SLEEP  
SUNDAY  
TIME  
FAN  
H
TIME  
FAN  
H
TIME  
FAN  
H
TIME  
FAN  
H
TIME  
FAN  
H
TIME  
FAN  
H
TIME  
FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
TIME  
ON FAN  
H
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
ON  
ON  
ON  
ON  
ON  
ON  
ON  
MONDAY  
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
TUESDAY  
WEDNESDAY  
THURSDAY  
FRIDAY  
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
SATURDAY  
AUTO  
C
AUTO  
C
AUTO  
C
AUTO  
C
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Programming the First Day  
To modify the preprogrammed schedule, start by programming the Wake time and temperature and fan operation  
for any one day:  
NOTE: This schedule follows the current day and time you set in the section Setting Current Day and Time and  
the Heat or Cool setting and Fan setting you selected in the section Setting System and Fan.  
1. Press Wake.  
Setting  
Set Program  
Wake  
AM  
Tue  
Wake  
Heat  
Fan  
Auto  
M17056  
By pressing Wake, you enter the program mode.  
Example display shows 6:00 AM on Tuesday with Heat set to 70°F.  
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2. Press Day until the desired day  
Setting  
Set Program  
Day  
displays.  
AM  
Mon  
Wake  
Heat  
Fan  
Auto  
M17057  
By pressing Day, you select the day to program.  
Example display shows Monday is selected and ready to program.  
3. Press Time ▲ or Time ▼ until the  
Setting  
Set Program  
desired Wake time displays.  
AM  
Time  
NOTE: The program times are in  
fifteen-minute intervals.  
Mon  
Wake  
Heat  
(Example: 8:00, 8:15, 8:30).  
Fan  
Auto  
M17058  
By pressing Time, you select the time the Wake period will begin.  
Example display shows the Wake period will begin at 6:30 AM.  
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4. Press Increase ▲ or Decrease ▼ until  
Setting  
Set Program  
the desired Wake temperature displays.  
AM  
NOTE: The setpoint temperature range  
is 55 to 85°F (13 to 29°C) for  
heating and 65 to 99°F (18 to  
37°C) for cooling.  
Mon  
Wake  
Heat  
Fan  
Auto  
M17059  
By pressing Increase L or Decrease M, you select the temperature for the Wake period.  
Example display shows the heating Wake period set for 68°.  
NOTE: Press Fan to modify fan operation. Auto means the fan runs only when the heating or  
cooling equipment is operating. On means the fan runs continuously for the entire  
schedule period.  
Fan  
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5. Press Heat/Cool Settings to make selec-  
tions for the opposite system setting (either  
Heat or Cool).  
Setting  
Heat/Cool  
Settings  
Set Program  
AM  
Mon  
Cool  
Fan  
NOTE: If your system is set for Heat, only  
the heating temperature will be used.  
Similarly, if your system is set for  
Cool, only the cooling temperature  
will be used. If your system is set for  
Auto, either the heating or cooling  
temperature may be used depending  
on the temperature of the room.  
Wake  
Auto  
M17060  
By pressing Heat/Cool Settings, you select the cooling system  
(if you already set the heating temperature). The current setting  
displays. Example display shows the cooling system was  
previously set for 78°.  
6. Press Increase ▲ or Decrease ▼ until  
the desired temperature setpoint  
displays.  
Setting  
Set Program  
AM  
Mon  
Wake  
Cool  
Fan  
Auto  
M17061  
By pressing Increase ▲ or Decrease ▼, you select the  
cooling Wake temperature.Example display shows the  
cooling Wake period set for 76°.  
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7. Press Leave, Return or Sleep and repeat steps 3, 4, 5 and 6 for programming the rest of the  
day. The day is now programmed (first day of a seven-day schedule).  
Leave  
Return  
Sleep  
Repeat steps 1 through 7 for each day of the week that has a different schedule from the  
first day. Or, refer to the section  
to copy any programmed day to another.  
Run  
Program  
8. Press Run Program to return to normal operation.  
Pressed the wrong key?  
Want to start over?  
Don’t worry! You can always press  
Run  
Program  
to return display to normal.  
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Copying a Day  
NOTE: The copy feature applies only to 7-Day Operation. The thermostat must be in the program mode to use  
the copy feature. Go to step 2 if the thermostat is already in the program mode (Set Program displays in  
upper left corner).  
1. Press Wake, Leave, Return or Sleep to enter  
program mode.  
Wake  
Leave  
Return  
Sleep  
2. Press Day to select the day to copy from.  
Setting  
Set Program  
Day  
AM  
Mon  
Wake  
Heat  
Fan  
Auto  
M17062  
By pressing Day, you select which day’s schedule to copy.  
Example display shows the thermostat in program mode with  
Monday ready to be copied.  
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3. Press Copy.  
Copy  
Mon  
M17063  
By pressing Copy, you copy a day’s schedule into memory.  
Example display shows Monday’s schedule has been copied into memory.  
4. Press Day until the day to be copied to is  
Day  
displayed.  
Mon  
Wed  
M17064  
By pressing Day again, you select which day to copy to. Example display shows Monday and Wednesday.  
Since Monday was already selected, Monday’s schedule will be copied to Wednesday.  
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5. Press Copy.  
Copy  
NOTE: donE displays for two seconds  
before the normal display  
returns.  
M17065  
By pressing Copy again, you complete the copy command. Example display shows donE. Monday’s schedule  
was successfully copied to Wednesday (Monday and Wednesday now have the same schedule).  
6. Repeat steps as necessary for all the periods and days desired.  
7. Press Run Program to return to normal operation.  
Run  
Program  
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Clearing Schedule Period  
Suppose you want to skip a schedule period or periods for a particular day because you don’t need them. For  
example, if Saturday is a day you normally stay at home from school or work, you can clear the Leave and  
Return periods for this day and keep the Wake and Sleep periods. You can always reprogram the periods later.  
NOTE: The clear feature applies to 7-Day and 24-Hour Operation. The thermostat must be in the program  
mode to use the clear feature. Go to step 2 if the thermostat is already in the program mode (Set  
Program displays in upper left corner).  
1. Press Leave, Return or Sleep to  
Setting  
Set Program  
enter program mode.  
AM  
Leave  
Return  
Sleep  
Mon  
Heat  
Leave  
Fan  
Auto  
M17066  
By pressing Leave, Return, or Sleep, you enter the program mode.  
Example display shows 8:00 AM on Monday in the Leave period, with Heat set for 62°  
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2. For 7-Day Operation, press Day until the  
desired day displays. For 24-Hour  
Operation, skip to step 3.  
Setting  
Set Program  
Day  
AM  
Sat  
Heat  
Leave  
Fan  
Auto  
M17067  
Press Day to select which day to begin clearing periods.  
Example display shows Saturday is selected  
3. Press and hold Leave, Return or Sleep  
until the start time and temperature  
setting are cleared (approximately  
3 seconds).  
Set Program  
Sat  
Leave  
Leave  
Return  
Sleep  
M17068  
NOTE: Wake cannot be cleared.  
By pressing and holding Leave, Return or Sleep, the period for that  
day is cleared. Example display shows Saturday’s Leave period has  
been cleared.  
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You do not have to program a replacement time for the remaining periods, for example Wake and Sleep. If you  
cleared only the Leave and Return periods for Saturday (or any day), the thermostat remains in the Wake period  
for all of Saturday until the Sleep period.  
4. Repeat steps as necessary for all the periods to be cleared.  
Run  
Program  
5. Press Run Program to return to normal operation.  
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24-Hour Program and Operation  
Setting  
Set Program  
24-Hour Operation is the same as 7-Day Operation except  
the same program repeats itself each day. Monday  
through Sunday follows the same exact schedule  
(four periods and up to eight temperatures).  
AM  
MonTueWedThuFriSatSun  
Wake  
Heat  
Fan  
Auto  
M12959  
During 24-Hour Operation, all days of the week display in program mode.  
24-Hour Preprogrammed Schedule  
If your thermostat is set for 24-Hour Operation, follow the steps below. Otherwise, refer to 7-Day Program and  
Operation, or Constant Temperature Setpoint Programming.  
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The preprogrammed schedule is as follows (same schedule for all days of the week): You may keep this  
schedule or organize your own.  
Table 4. 24-Hour Preprogrammed Schedule.  
WAKE  
LEAVE  
RETURN  
SLEEP  
10:00 PM  
AUTO  
C 75  
Program Repeats  
Every 24 Hours  
TIME  
FAN  
H 70  
6:00 AM  
AUTO  
C 78  
TIME  
FAN  
H 62  
8:00 AM  
AUTO  
C 85  
TIME  
FAN  
H 70  
5:00 PM  
AUTO  
C 78  
TIME  
FAN  
H 62  
Customizing Your Own 24-Hour Schedule  
Before starting the programming procedure, use Tables 5 and 6 to organize your schedule. The preprogrammed  
schedule is shown in Table 4. Four time periods are available—WAKE, LEAVE, RETURN, and SLEEP.  
Table 5. Your 24-Hour Schedule.  
WAKE  
LEAVE  
RETURN  
SLEEP  
Program  
Repeats  
Every 24  
Hours  
TIME  
FAN  
H
TIME  
AUTO ON FAN  
TIME  
AUTO ON FAN  
TIME  
AUTO ON FAN  
AUTO ON  
C
C
H
C
H
C
H
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Instructions  
1. Write in the time you want each schedule period to begin.  
2. Write in the heating temperature (H) and cooling temperature (C) you want for each period.  
3. Circle the fan operation you desire for each period.  
4. Begin programming.  
Table 6. An Extra 24-Hour Schedule.  
WAKE  
LEAVE  
RETURN  
SLEEP  
Program  
Repeats  
Every 24  
Hours  
TIME  
FAN  
H
TIME  
AUTO ON FAN  
TIME  
AUTO ON FAN  
TIME  
AUTO ON FAN  
AUTO ON  
C
C
H
C
H
C
H
Programming Your 24-Hour Schedule  
To program the Wake time and temperature and fan operation:  
NOTE: This schedule follows the current day and time you set in the section Setting Current Day and Time and  
the Heat or Cool setting and Fan setting you selected in the section Setting System and Fan.  
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1. Press Wake.  
Setting  
Set Program  
Wake  
AM  
MonTueWedThuFriSat Sun  
Wake  
Heat  
Fan  
Auto  
M17069  
By pressing Wake, you enter the program mode.  
Example display shows 6:00 AM with Heat set to 70°F.  
2. Press Time ▲ or Time ▼ until the  
Setting  
Set Program  
desired Wake time displays.  
AM  
Time  
NOTE: The program times are in  
fifteen minute intervals.  
MonTueWedThuFriSatSun  
Wake  
Heat  
(Example: 8:00, 8:15, 8:30).  
Fan  
Auto  
M17070  
By pressing Time, you select the time the Wake period will begin.  
Example display shows the Wake period will begin at 6:30 AM.  
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3. Press Increase ▲ or Decrease ▼ until  
Setting  
Set Program  
the desired Wake temperature displays.  
AM  
NOTE: The setpoint temperature range  
is 55 to 85°F (13 to 29°C) for  
heating and 65 to 99°F (18 to  
37°C) for cooling.  
MonTueWedThuFriSatSun  
Wake  
Heat  
Fan  
Auto  
M17071  
By pressing Increase ▲ or Decrease ▼, you select the temperature for the  
Wake period. Example display shows the heating Wake period set for 68°.  
NOTE: Press Fan to modify fan operation. Auto means the fan runs only when the heating or  
cooling equipment is operating. On means the fan runs continuously for the entire  
schedule period.  
Fan  
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4. Press Heat/Cool Settings to make  
selections for the opposite system  
setting (either Heat or Cool).  
Setting  
Heat/Cool  
Settings  
Set Program  
AM  
MonTueWedThuFriSatSun  
Wake  
Cool  
Fan  
NOTE: If your system is set for  
Heat, only the heating  
Auto  
temperature will be used.  
Similarly, if your system is  
set for Cool, only the cooling  
temperature will be used. If  
your system is set for Auto,  
either the heating or cooling  
temperature may be used  
depending on the tempera-  
ture of the room.  
M17072  
By pressing Heat/Cool Settings, you select the cooling system (if you  
already set the heating temperature). The current setting displays.  
Example display shows the cooling system was previously set for 78°.  
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5. Press Increase ▲or Decrease ▼  
until the desired temperature setpoint  
displays.  
Setting  
Set Program  
AM  
MonTueWedThuFriSatSun  
Wake  
Cool  
Fan  
Auto  
M17073  
By pressing Increase ▲ or Decrease ▼, you select the cooling Wake temperature.  
Example display shows the cooling Wake period set for 76°.  
6. Press Leave, Return or Sleep and repeat steps 2, 3, 4, and 5 for programming the rest of the  
day. The week is now programmed.  
Leave  
Return  
Sleep  
7. Press Run Program to return to normal operation.  
Run  
Program  
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Constant Temperature  
Setpoint Programming  
Setting  
Set Program  
AM  
Unlike the first two options, Constant Temperature  
Setpoint Programming does not have the Wake, Leave,  
Return and Sleep periods. The temperature is set by  
pressing the ▲ and ▼ keys.  
Mon  
Heat  
Fan  
System  
Heat  
Auto  
M12960  
The four periods (for example, Wake) are absent from the display in this mode.  
Setting Temperature and Fan Operation  
If your thermostat is set for Constant Temperature Setpoint Programming, follow the steps below. Otherwise,  
refer to 7-Day Program and Operation, or 24-Hour Program and Operation.  
To set the temperature and fan operation:  
NOTE: Refer to the section Setting Current Day and Time to set the current day and time, and the section  
Setting System and Fan to set the system and fan.  
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1. Press Increase ▲ or Decrease ▼ until  
Setting  
the desired temperature displays.  
NOTE: The setpoint temperature range  
is 55 to 85°F (13 to 29°C) for  
heating and 65 to 99°F (18 to  
37°C) for cooling.  
Heat  
M17119  
By pressing Increase ▲ or Decrease ▼, you select the heating  
temperature. Example display shows Heat is set for 68°.  
NOTE: Press Fan to modify fan operation. Auto means the fan runs only when the heating or  
cooling equipment is operating. On means the fan runs continuously for the entire  
schedule period.  
Fan  
2. Press Information  
key to make selections for the opposite system setting (works like the  
Heat/Cool Settings key).  
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3. Press Increase ▲ or Decrease ▼  
until the desired temperature setpoint  
displays.  
Setting  
Cool  
M17075  
By pressing Increase ▲ or Decrease ▼ after pressing  
the cooling temperature. Example display shows Coo  
NOTICE: This equipment is a Class B digital apparatus, which complies with Canadian Radio Interference  
Regulations, CRC c. 1374.  
CAUTION  
Equipment Damage Hazard.  
Can cause permanent damage to the compressor or other equipment.  
To avoid possible equipment damage, do not operate cooling when outside temperature is below 50°F  
(10°C). See equipment manufacturer instructions. To avoid possible compressor damage, allow the  
compressor to remain off for five minutes before restarting.  
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TROUBLESHOOTING GUIDE  
Symptom  
Possible Cause  
Action  
Display does not come  
on.  
Thermostat is not being  
powered.  
Check if the thermostat is mounted and latched on the  
wallplate—mount and latch the thermostat on the  
wallplate.  
Check if the circuit breaker is tripped—reset the circuit  
breaker.  
Check if the fuse is blown—replace the fuse.  
Check if the system switch at the equipment is in the Off  
position—set to the On position.  
Check wiring between thermostat and HVAC equipment—  
replace any broken wires.  
If 24 Vac is present, proceed with troubleshooting.  
Temperature setting  
does not change  
(Example: cannot set the  
heating higher or the  
cooling lower).  
The upper or lower temperature  
limits were reached.  
Check that the temperature setpoints are:  
Heating: 55 to 85°F (13 to 29°C)  
Cooling: 65 to 99°F (18 to 37°C).  
(continued)  
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Troubleshooting Guide (continued).  
Symptom  
Possible Cause  
No power to the thermostat.  
Action  
Heating does not come  
on.  
Check that setpoint is above room temperature.  
System selection is not set to Heat. Check if the circuit breaker is tripped—reset the circuit  
Heating setpoint is below room  
temperature.  
breaker.  
Check if the fuse is blown—replace the fuse.  
Check if the system switch at the equipment is in the Off  
position—set to On position.  
If 24 Vac is present, proceed with troubleshooting.  
Wait five minutes for the system to respond (thermostat  
displays Wait).  
Set system selection to Heat.  
Cooling does not come  
on.  
No power to the thermostat.  
System selection is not set to Cool. Check if the circuit breaker is tripped—reset the circuit  
Cooling setpoint is above room  
temperature.  
Check that setpoint is below room temperature.  
breaker.  
Check if the fuse is blown—replace the fuse.  
Check if the system switch at the equipment is in the Off  
position—set to On position.  
If 24 Vac is present, proceed with troubleshooting.  
Wait five minutes for the system to respond (thermostat  
displays Wait).  
Set system selection to Cool.  
(continued)  
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Troubleshooting Guide (continued).  
Symptom  
Possible Cause  
Action  
System on indicator  
Heating/cooling equipment turns on Wait a minute after seeing the flame or snowflake and then  
(flame=heat, snowflake= the fan when the equipment has  
cool) is lit, but no warm or reached the setpoint.  
cool air is coming from  
check the registers.  
the registers.  
System on indicator  
reads Filter and backlight  
is flashing.  
Filter expired.  
Refer to the Filter Indication section.  
Outdoor temperature not Filter expired.  
displayed or is incorrect.  
Press  
expiration shows on display.  
Refer to the Filter Indication section.  
twice for outdoor temperature when filter  
Installer did not activate this option. Contact installer or service technician.  
Outdoor sensor is connected  
incorrectly.  
LED is lit.  
System switch is set to Em. Heat.  
Compressor failure.  
Move switch to Heat or Auto  
Contact service technician.  
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DEFINITIONS  
Adaptive Intelligent Recovery™ Control  
Adaptive Intelligent Recovery™ Control is the factory default setting that allows you to choose the exact time the  
room reaches your comfort temperature, as opposed to conventional recovery.  
Adaptive Intelligent Recovery™ Modes  
WAKE  
You choose the exact time the room reaches your comfort temperature after the SLEEP period.  
LEAVE  
You choose the time you want your heating or cooling system to start an energy-savings mode while  
you are away (lower temperature during heating season, and higher temperature during cooling  
season) – follows WAKE period.  
RETURN You choose the exact time the room reaches your comfort temperature after the energy-savings  
LEAVE period.  
SLEEP  
You choose the time you want your heating or cooling system to start an energy-savings mode while  
you sleep-follows RETURN period.  
Conventional Recovery  
Conventional recovery is an optional setting allows you to choose the exact time your heating or cooling system  
comes on to start recovery, as opposed to Adaptive Intelligent Recovery™ Control.  
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If your thermostat is set to conventional recovery, a ❑ indica-  
tion displays continuously, as shown on the example display.  
AM  
Room  
Auto  
Mon  
System  
Sleep In Recovery  
Fan  
Heat  
M12949  
Conventional Recovery Modes  
WAKE  
You choose the time you want your heating or cooling system to start to reach your comfort tempera-  
ture after the SLEEP period. Adjust this time to earlier when you know it will take longer for the  
system to reach your comfort temperature. Adjust this time to later when you know the SLEEP  
temperature is closer to your WAKE temperature.  
LEAVE  
You choose the time you want your heating or cooling system to start an energy-saving mode while  
you are away (lower temperature during heating season, and higher temperature during cooling  
season) – follows WAKE period.  
RETURN You choose the time you want your heating or cooling system to start to reach your comfort tempera-  
ture after the energy-savings LEAVE period.  
SLEEP  
You choose the time you want your heating or cooling system to start an energy-savings mode while  
you sleep-follows RETURN period.  
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Preprogrammed Schedule  
The preprogrammed schedule consists of the four periods (Wake, Leave, Return and Sleep) and accompanying  
temperatures programmed into your thermostat at the factory. See Tables 1 and 4.  
Period  
One of the four times of the day (Wake, Leave, Return or Sleep) that you can program a setpoint or setpoints.  
Setpoint  
Setpoint is the temperature setting you select for a schedule or for a Hold. The setpoint can be either the heating  
temperature you set or the cooling temperature. Setpoint does not refer to actual room temperature or outdoor  
temperature.  
System  
System refers to either the heating and cooling mechanics. For example, when the System is set to Heat, the  
heating mechanics operate according to the heating setpoint. The thermostat selects the System when set to  
Auto. Some installations allow you to turn the System off (neither heating nor cooling will operate).  
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Filter Indication, 26  
Information key, 24  
keyboard, 6  
LEAVE, 62, 63, 64  
LED, 9  
options, 5  
Outdoor Temperature, 24  
Period, 65  
Programming the First Day, 39  
RETURN, 63, 64  
Saturday, 47  
Set Fan, 32  
Set System, 32  
Setpoint, 65  
Setting Current Day and Time, 29  
SLEEP, 63, 64  
The Trane Company, 67  
Thermostat Customer Assistance Helpline, 68  
Troubleshooting, 60  
Vacation, 20  
WAKE, 63, 64  
warranty, 67  
INDEX  
24-Hour Operation, 50  
24-Hour Preprogrammed Schedule, 50  
7-Day Operation, 33  
7-Day Preprogrammed Schedule, 33  
Adaptive Intelligent Recovery Control, 12  
Auxiliary Heat, 9  
Changing Temperature Setting Indefinitely, 17  
Changing Temperature Setting Until the Next  
Schedule Period, 15  
Clearing Schedule Period, 47  
Clock, 29  
Comfort-R Comfort Enhancement System, 11  
Constant Temperature Setpoint Programming, 57  
Conventional recovery, 63  
Copying a Day, 44  
Daylight Time, 31  
DEFINITIONS, 63  
Displaying Current Settings, 25  
Emergency Heat, 9  
Energy Savings, 13  
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LIMITED WARRANTY  
Low Voltage Room Thermostats  
This warranty is extended by American Standard Inc., to the original purchaser and to any succeeding owner of the real property to which the  
Thermostat is originally affixed, and applies to products purchased and retained for use within the U.S.A. and Canada.  
If any part of your Thermostat fails because of a manufacturing defect within one year from the date of the original purchase, Warrantor will  
furnish without charge a new thermostat. Any local transportation, related service labor and diagnosis calls are not included.  
This warranty does not cover failure of your Thermostat if it is damaged while in your possession or if the failure is caused by unreasonable use.  
In no event shall Warrantor be liable for incidental or consequential damages. In no event shall any implied warranty of merchandise or  
fitness for use exceed the term of the limited warranty stated above.  
Some states do not allow limitations on how long an implied warranty lasts or do not allow the exclusion or limitation of incidental or consequen-  
tial damages, so the above limitation may not apply to you. This warranty gives you specific legal rights, and you may also have other rights  
which vary from state to state.  
Parts will be provided by our factory organization or an authorized service organization in your area. All you need to do is look us up in the Yellow  
Pages or write to the address given below. If you wish further help or information concerning this warranty, contact:  
American Standard Inc.  
Troup Highway  
Tyler, TX 75711-9010  
Attention: Manager, After Sales Support  
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CUSTOMER ASSISTANCE  
If, after reading this guide, you have any questions concerning the operation of your thermostat, please call the  
Thermostat Customer Assistance Helpline at 1-877-880-3381, Monday-Friday, 7:00 am-5:30 pm, Central time.  
For service, contact your local heating and cooling contractor.  
American Standard Inc.  
Troup Highway  
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Printed in TaiwanR.O.C.  
Tyler, TX 75711-9010  

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