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TCONT900AC43UA Communicating,
Programmable Comfort Control
OWNER’S GUIDE
Pub No. 22-5211-02
69-1817-04
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TABLE OF CONTENTS Page Contents 3Features 4 Home Screen 6 Programming Your Heating and Cooling Schedule 14 Operating Your Comfort Control 21 Cleaning Your Comfort Control Screen 22 Reading Your Outdoor Temperature 26 Reading Your Inside Humidity Level 27 Controlling Your Inside Dehumidification Setting 29 Controlling Your Inside Humidification Setting 34 Advanced Settings 36 User Setup Menu 47 Error Codes 48 Frequently Asked Questions and Answers 49 Limited Five-Year Warranty 51 Customer Assista
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FEATURES • Large, Clear Display with Backlighting – current temperature, set temperature and time are easy-to-read and all are displayed on the home screen. • Menu Driven Programming – Guides you through the scheduling process, showing only necessary information and choices on each screen. • Ability to Select Multiple Days – allows you to easily customize the Comfort Control for your unique schedule. • Real-Time Clock – keeps time during power failure; automatically updates for daylight savin
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HOME SCREEN Key Description TUE FAN UP ARROW FAN SELECTS ON/AUTO/CIRC RAISES TEMPERATURE SETTING Inside Set To AUTO SYSTEM DOWN ARROW Following SYSTEM SELECTS EM. HEAT/HEAT/OFF/COOL/AUTO Schedule LOWERS TEMPERATURE SETTING HEAT AM SCHED HOLD CLOCK SCREEN MORE MORE (SELECT MODELS) SHOWS ADDITIONAL SYSTEM INFORMATION SCHED SCREEN ENTERS SCHEDULING MODE LOCKS OUT THE SCREEN TO ALLOW FOR CLEANING HOLD CLOCK SETS A PERMANENT HOLD AND SETS THE TIME FORWARD OR BACK ACTIVATES VACATION HOLD M19952 22-521
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HOME SCREEN Display Description TUE INSIDE TEMPERATURE SHOWS THE CURRENT INSIDE TEMPERATURE SHOWS CURRENT DAY OF THE WEEK SET TO TEMPERATURE TUE SHOWS THE CURRENT FAN SET TEMPERATURE FAN SHOWS FAN SETTING Inside Set To AUTO SYSTEM Following SYSTEM SHOWS CURRENT SYSTEM POSITION Schedule FOLLOWING SCHEDULE HEAT SHOWS THE THERMOSTAT IS AM FOLLOWING THE PROGRAMMED TIME SCHEDULE DISPLAY CURRENT TIME OF DAY, HOLD TIME REMAINING OR NUMBER SCHED HOLD CLOCK SCREEN MORE OF VACATION DAYS REMAINING M19953
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PROGRAMMING YOUR HEATING AND COOLING SCHEDULE Your Comfort Control can control up to four different schedule periods per day: Wake – Period when you awaken and want your home at a comfortable temperature. Leave – Period when you are away from home and want an energy-saving temperature. Return – Period when you return home and want your home back to a comfortable temperature. Sleep – Period when you are asleep and want an energy-saving temperature. 22-5211-02 6 69-1817—04
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NOTE: Schedule times are in 15-minute intervals. Preprogrammed Energy Star Settings Table 1 shows default program settings. Visit the Energy Star web site at www.energystar.gov for additional education and resources on programmable Comfort Controls. Table 1. Energy Star Default Program Settings. Schedule Period Time Setpoints Fan Setting Heat Cool Wake 6:00 AM 70°F (21°C) 78°F (25.5°C) Auto Leave 8:00 AM 62°F (16.5°C) 85°F (29.5°C) Auto Return 6:00 PM 70°F (21°C) 78°F (25.5°C) Auto Sleep 10:00
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EDITING SCHEDULE FRI FAN Inside Set 1. Press Sched key. AUTO Following SYSTEM Schedule HEAT AM PM SCHED HOLD CLOCK SCREEN M22445 MON TUE WED THU FRI SA SUN 2. Press Edit key. OK TO PICK MULTIPLE DAYS SCREEN LOCKED FAN Inside Set HEAT AUTO CANCEL Following SYSTEM Schedule PERIOD EM HEAT HEAT OFF AM COOL COOL PPM M AUTO SCHED SCHED HOLD HOLD CLOCK SCREEN WAKE DONE EDIT LEAVE RETURN SLEEP CANCEL M22553 22-5211-02 8 69-1817—04
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3. It is OK to pick multiple days. Select any combination of days to edit. These days are sched- uled with the same times and temperatures. Check marks appear next to days selected. MON TUE WED THU FRI SAT SUN OK TO PICK MULTIPLE DAYS FAN ON HEAT AUTO CIRC CANCEL PERIOD AM COOL DONE WAKE LEAVE RETURN SLEEP CANCEL M19955 4. Press Wake key. Once pressed, Wake flashes to show it is selected. 5. Press Up and Down keys to modify time and heat and cool temperatures from this screen. NOTE: The Fan
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6. Press Leave key and repeat step 5. 7. Press Return key and repeat step 5. 8. Press Sleep key and repeat step 5. 9. When complete, press Done key. “Saving Changes” appears on the screen to indicate changes are being saved to the day(s) modified. MON TUE WED THU FRI SAVING CHANGES M19956 NOTE: To set a Program Schedule for the remaining days of the week, repeat steps 1-9. Example: If Mon - Fri was selected first, go back and repeat steps 1-9 for Sat and Sun. 10. To exit schedule without saving
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CANCELING A SCHEDULE PERIOD NOTE: You may want to cancel a period to match your lifestyle; for example, if someone is always home during the day on Tuesday, you can cancel the Leave and Return periods (the Com- fort Control would then control to the Wake temperature until the Sleep period). 1. Press Sched key. 2. Press Edit key. 3. Select the Day(s) of the week desired. 4. Press schedule period you want to cancel (Wake, Leave, Return or Sleep). Once selected, the period flashes. 5. Press Cance
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NOTE: Note that the time, temperature(s) and fan setting disappear. The bar above the selected period is removed, indicating the scheduled period was cancelled. To reinstate a schedule period, press arrow keys to set desired time and temperatures. 6. Press Done key. MON TUE WED THU FRI SAT SUN OK TO PICK MULTIPLE DAYS SCREEN LOCKED FAN Inside Set To HEAT AUTO Following CANCEL SYSTEM Schedule PERIOD EM HEAT HEAT OFF AM COOL PM PM COOL AUTO S SCHED CHED HOLD HOLD CLOCK SCREEN DONE WAKE LEAVE
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SETTING TIME 1. Press Clock. 2. Use arrows to set current time. TUE AM PM PM SC SCHE HED D H HO OL LD D CLOCK SCREEN DONE M19958 3. Press Done key. IMPORTANT The current day of the week should already be set correctly. If not, see “Advanced Settings” on page 34 to set the day. 22-5211-02 13 69-1817—04
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OPERATING YOUR COMFORT CONTROL Setting Fan and System Keys SETTING FAN KEY The Fan key selections vary based on your heating and/or cooling system type. On – Fan runs continuously. Use this setting for improved air circulation or for more efficient central air cleaning. The Trane Proprietary Humidity Control might disable continuous fan function. See “Trane Proprietary Humidity Control” on page 28 for additional information. Auto – Fan follows fan program schedule. See “Fan Schedule” on page 1
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Setting Temperature Overrides Your Comfort Control has three temperature override options: Hold Temperature Until, Permanent Hold and Vacation Hold. HOLD TEMPERATURE UNTIL (TEMPORARY HOLD) Holds temperature temporarily until the next scheduled period time or until the time the user sets. 1. Press Up or Down arrow next to the temperature you want to adjust. “Hold Temperature Until” time appears on the screen. The Hold Temperature Until time defaults to the start time of the next scheduled peri
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3. Press the Cancel or Sched key to cancel “Hold Tem- TUE perature Until” and resume schedule. FAN Inside Set NOTE: Once “Hold Temperature Until” time is reached, the AUTO comfort control shows “Following Schedule” on the screen to indicate that “Temporary Hold” has ended. SYSTEM Hold Temperature HEAT Until PERMANENT HOLD PM Permanent Hold changes the temperature setting until SCHED HOLD CLOCK SCREEN Permanent Hold is cancelled. CANCEL M19959 1. Press Hold key. “Permanent Hold” appears on t
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VACATION HOLD Changes temperature setting for a selected number of days, from 1 to 365 days. 1. Press the Up and Down arrow keys to set the desired temperature while away on vacation. Notice that “Hold Temperature Until” time is shown on the screen. (This is the time the Vacation Hold override expires after the number of days ends.) 2. Press Hold key twice. Screen shows “Hold Temperature Until” one day. 3. Press Up and Down arrow keys to change the number of Days you desire Comfort Control to
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4. To cancel the Vacation Hold override early, press the Cancel key. THU FAN Inside Set To AUTO SYSTEM Hold Temperature HEAT Until DAYS SCHED CLOCK SCREEN CANCEL M19961 22-5211-02 18 69-1817—04
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Fan Schedule Press Fan key while in the Scheduling Screen to program the System Fan. Choices available from the Scheduling Screen: On – Fan runs continuously. Use this setting for improved air circulation or for more efficient central air cleaning. Auto – (default position) Fan runs with equipment. Programmable for all schedule periods (Wake, Leave, Return and Sleep). Circ – Circulation control will provide a variable circulation determined by the Adaptive Intelligent Circulation (AIC) algor
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Fan Status Displayed on Home Screen If the Fan program is scheduled, Auto is shown and any programmable mode that is set; for example, if during Wake period, Fan is set to Auto, only Auto is shown in the Fan area. However, if during the Wake period, fan is scheduled to On, both Auto and On are shown. Auto indicates fan is running its schedule; On indicates Fan schedule is set to On. THU FAN Inside Set ON AUTO Following SYSTEM Schedule HEAT AM SCHED HOLD CLOCK SCREEN M19962 Manual Override of
