Owner's Manual
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T8635L Microelectronic Communicating Programmable Thermostat USER'S GUIDE 1 696-91-313323-2-4
T8635L Microelectronic Communicating Programmable Thermostat USER'S GUIDE 1 696-91-313323-2-4
Owner's Manual
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CONTENTS USING THIS GUIDE ...5 FEATURES ...6 KEYBOARD AND DISPLAY DESCRIPTION ...7 Keyboard ...7 Display ...7 ADAPTIVE INTELLIGENT RECOVERY™ CONTROL 10 Optimum Comfort and Energy Savings 11 OPERATING YOUR THERMOSTAT ...13 Setting System and Fan Keys ...13 Setting the System Key ...14 Setting the Fan Key ...14 Setting Temporary Temperatures ...15 Changing Temperature to Temporary ...
CONTENTS USING THIS GUIDE ...5 FEATURES ...6 KEYBOARD AND DISPLAY DESCRIPTION ...7 Keyboard ...7 Display ...7 ADAPTIVE INTELLIGENT RECOVERY™ CONTROL 10 Optimum Comfort and Energy Savings 11 OPERATING YOUR THERMOSTAT ...13 Setting System and Fan Keys ...13 Setting the System Key ...14 Setting the Fan Key ...14 Setting Temporary Temperatures ...15 Changing Temperature to Temporary ...
Owner's Manual
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Contents (Cont) Displaying Current Settings ...22 Filter Indicator ...23 Setting or Resetting Filter Indicator ...23 LED Indicators ...25 Remote Override Temperature Indicator ...25 SETTING THE CLOCK ...26 Set Current Day and Time ...26 Daylight Saving Time ...28 PROGRAMMING YOUR THERMOSTAT ...29 7-Day Program and Operation ...29 7-Day Preprogrammed Schedule ...30 Customizing Your Own 7-Day Schedule ...31 Programming the First Day ...32 Copying a Day ...37 Clearing a Program Period ...40 TROUBLESHOOTING ...42 WARRANTY ...45 CUSTOMER ASSISTANCE ...47 4 69-1332-4
Contents (Cont) Displaying Current Settings ...22 Filter Indicator ...23 Setting or Resetting Filter Indicator ...23 LED Indicators ...25 Remote Override Temperature Indicator ...25 SETTING THE CLOCK ...26 Set Current Day and Time ...26 Daylight Saving Time ...28 PROGRAMMING YOUR THERMOSTAT ...29 7-Day Program and Operation ...29 7-Day Preprogrammed Schedule ...30 Customizing Your Own 7-Day Schedule ...31 Programming the First Day ...32 Copying a Day ...37 Clearing a Program Period ...40 TROUBLESHOOTING ...42 WARRANTY ...45 CUSTOMER ASSISTANCE ...47 4 69-1332-4
Owner's Manual
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... or multi-zone applications, conventional furnaces or heat pump equipment. Triple layer of thermostats with the word, zoning, below . These features are available when more than one thermostat is a multi-functional thermostat. These features are available when used with a heat pump. - Tip symbol.... Look for helpful tips throughout the guide when you identify the features that apply to your system: ZONING - USING THIS GUIDE The T8635L is connected ...
... or multi-zone applications, conventional furnaces or heat pump equipment. Triple layer of thermostats with the word, zoning, below . These features are available when more than one thermostat is a multi-functional thermostat. These features are available when used with a heat pump. - Tip symbol.... Look for helpful tips throughout the guide when you identify the features that apply to your system: ZONING - USING THIS GUIDE The T8635L is connected ...
Owner's Manual
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...backlight feature for backlighting on vacation. Ask your installer to activate this feature. • Optional outdoor temperature display-ask your thermostat retains the schedule for the life of a button-use the (information) key to see the outdoor temperature (C7089B Outdoor ...-program your own schedule to fit your needs. • Temporary schedule override-set the thermostat higher or lower for the current program schedule. • Permanent schedule override-set the thermostat higher or lower indefinitely. • Vacation mode (1 to activate) or continual backlighting.
...backlight feature for backlighting on vacation. Ask your installer to activate this feature. • Optional outdoor temperature display-ask your thermostat retains the schedule for the life of a button-use the (information) key to see the outdoor temperature (C7089B Outdoor ...-program your own schedule to fit your needs. • Temporary schedule override-set the thermostat higher or lower for the current program schedule. • Permanent schedule override-set the thermostat higher or lower indefinitely. • Vacation mode (1 to activate) or continual backlighting.
Owner's Manual
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See Fig. 1. Display The thermostat displays important information such as day, time, schedule period, temperature, filter information, system and fan operation. KEYBOARD AND DISPLAY DESCRIPTION Keyboard The keyboard is located behind the thermostat cover. See Fig. 2. 7 69-1332-4 Three frequently used keys, increase ▲ or decrease ▼ and , are located next to the display.
See Fig. 1. Display The thermostat displays important information such as day, time, schedule period, temperature, filter information, system and fan operation. KEYBOARD AND DISPLAY DESCRIPTION Keyboard The keyboard is located behind the thermostat cover. See Fig. 2. 7 69-1332-4 Three frequently used keys, increase ▲ or decrease ▼ and , are located next to the display.
Owner's Manual
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Thermostat keyboard description. INCREASE RAISES TEMPERATURE SETTING DECREASE LOWERS TEMPERATURE SETTING INFORMATION DISPLAYS CURRENT HEAT/COOL TEMPERATURE SETTING AND OUTDOOR TEMPERATURE (WHEN INSTALLED). TIME / TIME SETS ... CURRENT DAY/TIME SETS CURRENT DAY AND TIME WAKE SET WAKE TIMES AND TEMPERATURES LEAVE SET LEAVE TIMES AND TEMPERATURES DIGITAL DISPLAY RUN PROGRAM RETURNS THERMOSTAT TO NORMAL OPERATING MODE DAY SETS DAY OF THE WEEK HOLD TEMP SETS A HOLD TEMPERATURE SETTING AND ACTIVATES VACATION HOLD FEATURE DAYLIGHT TIME SELECTS STANDARD...
Thermostat keyboard description. INCREASE RAISES TEMPERATURE SETTING DECREASE LOWERS TEMPERATURE SETTING INFORMATION DISPLAYS CURRENT HEAT/COOL TEMPERATURE SETTING AND OUTDOOR TEMPERATURE (WHEN INSTALLED). TIME / TIME SETS ... CURRENT DAY/TIME SETS CURRENT DAY AND TIME WAKE SET WAKE TIMES AND TEMPERATURES LEAVE SET LEAVE TIMES AND TEMPERATURES DIGITAL DISPLAY RUN PROGRAM RETURNS THERMOSTAT TO NORMAL OPERATING MODE DAY SETS DAY OF THE WEEK HOLD TEMP SETS A HOLD TEMPERATURE SETTING AND ACTIVATES VACATION HOLD FEATURE DAYLIGHT TIME SELECTS STANDARD...
Owner's Manual
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... PROCESSING INFORMATION AND WAITING TO CALL FOR HEAT OR COOL SHOWS WHEN THERMOSTAT IS IN THE PROGRAMMING MODE SHOWS THERMOSTAT IS IN THE SET CURRENT DAY/TIME MODE SHOWS SMART RESPONSE IS CHANGING THE TEMPERATURE TO MEET THE CURRENT PROGRAM SHOWS VACATION HOLD DURATION Wait ... CHANGED FOR THIS PROGRAM PERIOD Setting System Em Heat Off Cool Auto Fan On Auto SHOWS TEMPERATURE DISPLAYED IS THE CURRENT SET TEMPERATURE SHOWS THAT THERMOSTAT IS CALLING FOR HEAT OR COOL SHOWS CURRENT SYSTEM KEY POSITION HEAT/OFF/COOL SHOWS CURRENT FAN KEY POSITION ON/AUTO SHOWS CURRENT DAY OR...
... PROCESSING INFORMATION AND WAITING TO CALL FOR HEAT OR COOL SHOWS WHEN THERMOSTAT IS IN THE PROGRAMMING MODE SHOWS THERMOSTAT IS IN THE SET CURRENT DAY/TIME MODE SHOWS SMART RESPONSE IS CHANGING THE TEMPERATURE TO MEET THE CURRENT PROGRAM SHOWS VACATION HOLD DURATION Wait ... CHANGED FOR THIS PROGRAM PERIOD Setting System Em Heat Off Cool Auto Fan On Auto SHOWS TEMPERATURE DISPLAYED IS THE CURRENT SET TEMPERATURE SHOWS THAT THERMOSTAT IS CALLING FOR HEAT OR COOL SHOWS CURRENT SYSTEM KEY POSITION HEAT/OFF/COOL SHOWS CURRENT FAN KEY POSITION ON/AUTO SHOWS CURRENT DAY OR...
Owner's Manual
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...to reach the comfort temperature. Humans feel right to you and your surrounding walls, windows and furnishings. Common household thermometers and standard thermostats sense only air temperature, which may not reflect how hot or cold the room actually feels to you choose is in recovery? ...your family. You perceive temperature from the air in the air, and responds to temperature changes as little as two degrees Fahrenheit. The thermostat acts like a computer. Recovery AM System Em Heat Fan Mon Room Sleep Heat Auto M14561 Fig. 3. Example of the wall and in...
...to reach the comfort temperature. Humans feel right to you and your surrounding walls, windows and furnishings. Common household thermometers and standard thermostats sense only air temperature, which may not reflect how hot or cold the room actually feels to you choose is in recovery? ...your family. You perceive temperature from the air in the air, and responds to temperature changes as little as two degrees Fahrenheit. The thermostat acts like a computer. Recovery AM System Em Heat Fan Mon Room Sleep Heat Auto M14561 Fig. 3. Example of the wall and in...
Owner's Manual
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...; at 6:30 AM. Recovery time varies with the starting temperature and the comfort temperature you choose. 11 69-1332-4 After four to eight days, the thermostat has adjusted to recover at 5:00 AM and reaches the comfort temperature of your home, and your heating and cooling system. Optimum Comfort and Energy...
...; at 6:30 AM. Recovery time varies with the starting temperature and the comfort temperature you choose. 11 69-1332-4 After four to eight days, the thermostat has adjusted to recover at 5:00 AM and reaches the comfort temperature of your home, and your heating and cooling system. Optimum Comfort and Energy...
Owner's Manual
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... Comfort Mode System Heat AM Mon Wake Room Fan Auto System Heat Fan Auto ENERGY SAVINGS PERIOD RECOVERY FROM ENERGY SAVINGS TIME COMFORT PERIOD THE THERMOSTAT USES THE SAME SCHEME TO RETURN GRADUALLY TO LOWER COMFORT TEMPERATURE DURING THE COOLING SEASON. 1 IF In Recovery IS DISPLAYED, PRESS TO SEE THE COMFORT...
... Comfort Mode System Heat AM Mon Wake Room Fan Auto System Heat Fan Auto ENERGY SAVINGS PERIOD RECOVERY FROM ENERGY SAVINGS TIME COMFORT PERIOD THE THERMOSTAT USES THE SAME SCHEME TO RETURN GRADUALLY TO LOWER COMFORT TEMPERATURE DURING THE COOLING SEASON. 1 IF In Recovery IS DISPLAYED, PRESS TO SEE THE COMFORT...
Owner's Manual
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... System and Fan Keys Use the System and Fan keys to the compressor or other equipment. You can be wondering how to hold the thermostat at the same time. The system selection is below 50°F (10°C). Can cause permanent damage to change the system and fan...do not operate cooling when the outside temperature is for all the schedule periods. OPERATING YOUR THERMOSTAT Your new thermostat saves energy and keeps you comfortable at a specific temperature while you go on your thermostat and how to remain off for five minutes before restarting. First, let's look at features...
... System and Fan Keys Use the System and Fan keys to the compressor or other equipment. You can be wondering how to hold the thermostat at the same time. The system selection is below 50°F (10°C). Can cause permanent damage to change the system and fan...do not operate cooling when the outside temperature is for all the schedule periods. OPERATING YOUR THERMOSTAT Your new thermostat saves energy and keeps you comfortable at a specific temperature while you go on your thermostat and how to remain off for five minutes before restarting. First, let's look at features...
Owner's Manual
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... Press the System key until the desired mode Fan (On or Auto) displays: On: Fan operates continuously. System Heat: The thermostat controls the heating. Cooling system is controlled as stage 1 heat. Auto is waiting ZONING until another zone has completed its call for...Auto: Fan operates only when heating or cooling. A flashing indicates that the thermostat is available in all thermostats to change from Heat to Cool. Cool: The thermostat controls the cooling. displays when the thermostat is de-energized. (Available only with multistage heat pump.) Setting the Fan ...
... Press the System key until the desired mode Fan (On or Auto) displays: On: Fan operates continuously. System Heat: The thermostat controls the heating. Cooling system is controlled as stage 1 heat. Auto is waiting ZONING until another zone has completed its call for...Auto: Fan operates only when heating or cooling. A flashing indicates that the thermostat is available in all thermostats to change from Heat to Cool. Cool: The thermostat controls the cooling. displays when the thermostat is de-energized. (Available only with multistage heat pump.) Setting the Fan ...
Owner's Manual
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Press Hold Temp key once. Hold Temp Setting System Heat 2. ture setpoint, if desired. Press Run Program key to change the tempera- Press increase ▲ or decrease ▼ to cancel hold. Example display shows temporary heat setting of 60°. Heat Auto M14565 Press Hold Temp key once to the room temperature after approximately three seconds. Fan NOTE: The display changes from the setpoint to display the thermostat in Hold mode. Run Program 17 69-1332-4 Changing and Holding Temperature Setting Indefinitely 1.
Press Hold Temp key once. Hold Temp Setting System Heat 2. ture setpoint, if desired. Press Run Program key to change the tempera- Press increase ▲ or decrease ▼ to cancel hold. Example display shows temporary heat setting of 60°. Heat Auto M14565 Press Hold Temp key once to the room temperature after approximately three seconds. Fan NOTE: The display changes from the setpoint to display the thermostat in Hold mode. Run Program 17 69-1332-4 Changing and Holding Temperature Setting Indefinitely 1.
Owner's Manual
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... Setting System Heat 1. Press Hold Temp key twice. Changing Temperature Setting Until a Designated Day and Period (Vacation Hold) When setting Vacation Hold at any ZONING thermostat, all thermostats automatically change to Vacation Hold except if a thermostat is already set to display the...
... Setting System Heat 1. Press Hold Temp key twice. Changing Temperature Setting Until a Designated Day and Period (Vacation Hold) When setting Vacation Hold at any ZONING thermostat, all thermostats automatically change to Vacation Hold except if a thermostat is already set to display the...
Owner's Manual
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The thermostat uses both the heating and cooling temperatures when the System is set to select a new Hold temperature. Auto M14571 Setting System Heat Hold for Days ...
The thermostat uses both the heating and cooling temperatures when the System is set to select a new Hold temperature. Auto M14571 Setting System Heat Hold for Days ...
Owner's Manual
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You can always press Run Program to return display to adjust the temperature setting, if desired (for example, if cool is above 84°F). Heat/Cool Settings 6. Don't worry! 5. Press increase ▲ or decrease ▼ to normal. 20 69-1332-4 To cancel the Vacation Hold before the designated time, press Run Program key at 84°, cooling equipment operates when the room temperature is set at each thermostat. Want to change between heat and cool settings. Press Heat/Cool Settings key to start over? ZONING Pressed the wrong key?
You can always press Run Program to return display to adjust the temperature setting, if desired (for example, if cool is above 84°F). Heat/Cool Settings 6. Don't worry! 5. Press increase ▲ or decrease ▼ to normal. 20 69-1332-4 To cancel the Vacation Hold before the designated time, press Run Program key at 84°, cooling equipment operates when the room temperature is set at each thermostat. Want to change between heat and cool settings. Press Heat/Cool Settings key to start over? ZONING Pressed the wrong key?
Owner's Manual
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... to 30 days with the filter set to expire in 5 days. To change this setting, or reset after filter expiration: 1. Upon expiration, the thermostat displays "Filter" and the green LED lights (on only one-third of the time each day, it takes three days to enter the Filter mode.... Setting or Resetting Filter Indicator Your thermostat comes preset to display filter information. Filter Indicator Your thermostat monitors the time the fan is on the top right of the thermostat). Press Filter key to deduct one fan run time. For example, if the ...
... to 30 days with the filter set to expire in 5 days. To change this setting, or reset after filter expiration: 1. Upon expiration, the thermostat displays "Filter" and the green LED lights (on only one-third of the time each day, it takes three days to enter the Filter mode.... Setting or Resetting Filter Indicator Your thermostat comes preset to display filter information. Filter Indicator Your thermostat monitors the time the fan is on the top right of the thermostat). Press Filter key to deduct one fan run time. For example, if the ...
Owner's Manual
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... (green), see the Troubleshooting section. Heating with the heat pump. CHECK (RED) LED FILTER (GREEN) LED M13375 ZONING Remote OverrideTemperature Indicator The thermostat can communicate with a variety of the thermostat. LED Indicators Two light emitting diode (LED) indicators are clear until lighted. If the temperature was overridden remotely, a (▲) is displayed and... AM Heat System Heat Fan Auto M17763 69-1332-4 and contact your heat pump service company for assistance. The LED indicators are located on all thermostats. Switch the thermostat to Em.
... (green), see the Troubleshooting section. Heating with the heat pump. CHECK (RED) LED FILTER (GREEN) LED M13375 ZONING Remote OverrideTemperature Indicator The thermostat can communicate with a variety of the thermostat. LED Indicators Two light emitting diode (LED) indicators are clear until lighted. If the temperature was overridden remotely, a (▲) is displayed and... AM Heat System Heat Fan Auto M17763 69-1332-4 and contact your heat pump service company for assistance. The LED indicators are located on all thermostats. Switch the thermostat to Em.
Owner's Manual
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On initial power up or after an extended power loss, 1:00 PM flashes on all thermostats. SETTING THE CLOCK Setting Current Day and Time Seting the time and day at one thermostat automatically sets the time and day on the display until a key is pressed. 1. ZONING IMPORTANT Always press the keys with your fingertip or similar blunt tool. Sharp instruments like pens and pencil points can damage the keyboard. Set Current Day/Time Mon Set Day/Time PM Press Set Current Day/Time key to show information displayed. Press Set Current Day/Time key. M14580 26 69-1332-4
On initial power up or after an extended power loss, 1:00 PM flashes on all thermostats. SETTING THE CLOCK Setting Current Day and Time Seting the time and day at one thermostat automatically sets the time and day on the display until a key is pressed. 1. ZONING IMPORTANT Always press the keys with your fingertip or similar blunt tool. Sharp instruments like pens and pencil points can damage the keyboard. Set Current Day/Time Mon Set Day/Time PM Press Set Current Day/Time key to show information displayed. Press Set Current Day/Time key. M14580 26 69-1332-4