OPERATION
The TX1500 alternately displays the current time and the room temperature. It also displays the day of
the week and the currently active program period that is controlling the temperature: MORN, DAY, EVE, or NIght.
The set point temperature will appear in the right side of the display. In the winter, set the system switch to HEAT to control your heating system. In the summer, set the switch to COOL to control your air conditioner. In spring and fall or when windows are open, you can set the system switch OFF.
Setting the FAN switch to AUTO | N | O | T | E | |
automatically runs your system’s fan | The FAN switch works only if your system | ||||
during heating and cooling. Setting the | |||||
provides a wire for the TX1500’s “G” terminal. | |||||
FAN switch to ON runs your system’s | |||||
fan continuously even without heating |
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or cooling. |
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THE BUILT-IN ENERGY STAR® PROGRAMS
VACATION TEMPERATURE HOLD
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| • | Press HOLD. Adjust temperature as |
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| EVE | HOLD | • | Temperature setting will not change even |
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| HEAT | HOLD | after next program period begins. |
| PM |
| • | To clear, press HOLD again. |
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ADVANCED FEATURES
FILTER USAGE MONITOR
The FILTER Monitor counts the hours since the filter in your blower was last changed. After 250 hours of use, FILTER will appear in the display. After you change the filter, set the thermostat’s FILTER Monitor back to zero as follows.
Rotate the dial | UP | To reset the |
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to FILTER | counter |
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| HR | ||
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| FILTER |
Push in the RESET key. This sets the
You can use the
The dial must be in the RUN position to close the door.
| PERIOD | HEAT | COOL |
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| WEEKDAYS | MORN | 6:00 AM 70° | 6:00 AM 78° |
preprograms | DAY | 8:00 AM 62° | 8:00 AM 85° |
| EVE | 6:00 PM 70° | 6:00 PM 78° |
| NIGHT | 10:00 PM 62° | 10:00 PM 82° |
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| MORN | 6:00 AM 70° | 6:00 AM 78° |
| SAT & SUN | DAY | 8:00 AM 62° | 8:00 AM 85° |
preprograms | EVE | 6:00 PM 70° | 6:00 PM 78° |
| NIGHT | 10:00 PM 62° | 10:00 PM 82° |
To change the FILTER Usage Monitor limit |
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Rotate the dial to FILTER |
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| DOWN | To change the | SET |
NEXT | UP |
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| limit from | HR |
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| FILTER | |
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To disable the FILTER Usage Monitor set the limit to 0 hours
TEMPERATURE SWING
A thermostat works by turning your heating or cooling system on and off whenever the room temperature varies a certain number of degrees from the
PROGRAMMING THE TX1500
You can change any preset times and/or temperatures to suit your schedules for the weekday, Saturday and Sunday programs. Each period (Morning,
Day, Evening, and Night) is programmed for HEAT and for COOL. PROGRAM MO TU WE TH FR
FOR: MORN
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| START AT: | |
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| HEAT | |
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| AM | |
HEAT |
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OFF | Select HEAT to program the | OR | Select COOL to program the | |
COOL | ||||
TX1500 for controlling your heater. |
| TX1500 for controlling your air conditioner. | ||
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Rotate dial to SET WEEKDAY PROGRAM. To program SATURDAY or SUNDAY, rotate the dial to SET SATURDAY or SET SUNDAY PROGRAM. With dial on SET WEEKDAY PROGRAM, you will see the display above.
| UP | DOWN To change the start |
| UP | DOWN To change the start | ||||||
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| time for MORN. |
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| time for EVE. | |||
| NEXT | To program temperature. |
| NEXT | To program temperature. | ||||||
| UP | DOWN To change the temp. |
| UP | DOWN To change the temp. | ||||||
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| setting for MORN. |
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| setting for EVE. | |||
| NEXT | To move to DAY. |
| NEXT | To move to NIGHT. |
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| UP | DOWN To change start time |
| UP | DOWN To change the start | ||||||
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| time for NIGHT. | |||
| NEXT | To program temperature. |
| NEXT | To program temperature. | ||||||
| UP | DOWN To change the temp. |
| UP | DOWN To change the temp. | ||||||
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| setting for DAY. |
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| setting for NIGHT. | |||
| NEXT | To move to EVE. |
| Rotate dial to RUN position to | |||||||
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SETTING THE TIME AND DAY |
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| C | A | U | T | I | O | N |
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| DAY |
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| The TX1500 is protected against normal static electric discharges. | ||||||
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| PM |
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| However, in extremely dry weather you should touch another metal object | ||||||
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| before the TX1500 to avoid potential loss of programs. | ||||||
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Open the drop down door on the front of the thermostat. Rotate the dial to the SET DAY/TIME position. You should see the display pictured above with a day of the week flashing. When you are finished setting the day and time, rotate the dial to RUN to return to normal operation or to another position to continue programming.
| UP To change |
| NEXT | To set current time. The (e.g. | UP | To change the | |||
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| current day. |
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| “12:00”) will be flashing. | DOWN | current time. | |||
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TEMPERATURE OVERRIDE AND | These features let you change the current Set | ||||||||
TEMPERATURE HOLD |
| Temperature without changing the programs stored | |||||||
| in your thermostat’s memory. |
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TEMPORARY |
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TEMPERATURE OVERRIDE | |||||||||
setting. The OVERRIDE indicator appears on display. | |||||||||
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| • The OVERRIDE feature will be automatically canceled | ||||
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| UP | at the start of the next program period. |
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| EVE | OVERRIDE |
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| HEAT | DOWN | UP/DOWN until original set temperature | ||||
| PM |
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Your system should cycle on about 3 to 6 times per hour. A smaller swing number increases the number of cycles, so room temperature is more constant. A larger swing number decreases the number of cycles, to save energy in most cases.
SWING SETTINGS |
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| HOLD | NEXT | Press together | ||
| SET TEMP SWING | Dial must be in |
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| NEXT | Press to set. | ||
TEMPERATURE CALIBRATION |
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| HOLD | NEXT |
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| SET DAY/TIME |
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PROGRAM LOCK |
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| To prevent tampering with set programs. |
| MORN |
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The sequence of keys to lock and unlock the program: |
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| HEAT | |||
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| AM |
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NEXT | NEXT | NEXT | HOLD |
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W | A | R | N | I |
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Making these changes will require you to reset the thermostat. Copy any of your customized programs onto the blank chart. This will be your reference to
CHANGING FROM °F TO °C AND A 12HR CLOCK TO A 24HR CLOCK
•WARNING: Making these changes will require you to reset the thermostat.
•Located to the right of the gas electric switch are two black jumpers C/F and 24/12H.
•To change to Celsius - remove jumper - C/F.
• To change to a 24HR clock - remove jumper- 24/12H. |
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• | Press the reset key on the front of the thermostat for | ELECT |
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RL1 |
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| 5/2 MIN C/F 24/12H | ||||||||||
| changes to take effect. |
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| ON/OFF | ||||||
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• | Reprogram as necessary. |
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5 MIN/2 MIN MINIMUM ON/OFF TIME
Your thermostat has an internal timer built in to protect your compressor. The timer forces a minimum on/off time of 5 minutes. You may change this minimum on/off time to 2 minutes. To accomplish this, remove the jumper labeled 5/2 MIN. You must press the small reset button on the face of the thermostat for the changes to take effect.
