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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... word, heat pump, below . These features are available when more than one thermostat is a multi-functional thermostat. Triple layer of thermostats with the word, zoning, below . HEAT PUMP 60 70 80 90 60 70 80 90 - USING THIS GUIDE The T8635L is connected and used with the optional W8703 Damper Interface Module, W8635A, B Equipment...
... word, heat pump, below . These features are available when more than one thermostat is a multi-functional thermostat. Triple layer of thermostats with the word, zoning, below . HEAT PUMP 60 70 80 90 60 70 80 90 - USING THIS GUIDE The T8635L is connected and used with the optional W8703 Damper Interface Module, W8635A, B Equipment...
Owner's Manual
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... Optional outdoor temperature display-ask 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 255 days) for added ... temperature (C7089B Outdoor Temperature Sensor optional accessory), the current setpoints, or the filter status. • No batteries needed-your thermostat retains the schedule for the life of the product. FEATURES • Adaptive Intelligent Recovery™ Control for comfort and energy savings...
... Optional outdoor temperature display-ask 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 255 days) for added ... temperature (C7089B Outdoor Temperature Sensor optional accessory), the current setpoints, or the filter status. • No batteries needed-your thermostat retains the schedule for the life of the product. FEATURES • Adaptive Intelligent Recovery™ Control for comfort and energy savings...
Owner's Manual
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KEYBOARD AND DISPLAY DESCRIPTION Keyboard The keyboard is located behind the thermostat cover. See Fig. 1. See Fig. 2. 7 69-1332-4 Display The thermostat displays important information such as day, time, schedule period, temperature, filter information, system and fan operation. Three frequently used keys, increase ▲ or decrease ▼ and , are located next to the display.
KEYBOARD AND DISPLAY DESCRIPTION Keyboard The keyboard is located behind the thermostat cover. See Fig. 1. See Fig. 2. 7 69-1332-4 Display The thermostat displays important information such as day, time, schedule period, temperature, filter information, system and fan operation. Three frequently used keys, increase ▲ or decrease ▼ and , are located next to the display.
Owner's Manual
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... 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..., 90, 120 DAYS) 8 69-1332-4 INCREASE RAISES TEMPERATURE SETTING DECREASE LOWERS TEMPERATURE SETTING INFORMATION DISPLAYS CURRENT HEAT/COOL TEMPERATURE SETTING AND OUTDOOR TEMPERATURE (WHEN INSTALLED). Thermostat keyboard description.
... 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..., 90, 120 DAYS) 8 69-1332-4 INCREASE RAISES TEMPERATURE SETTING DECREASE LOWERS TEMPERATURE SETTING INFORMATION DISPLAYS CURRENT HEAT/COOL TEMPERATURE SETTING AND OUTDOOR TEMPERATURE (WHEN INSTALLED). Thermostat keyboard description.
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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... AM System Em Heat Fan Mon Room Sleep Heat Auto M14561 Fig. 3. Humans feel right to 70° in recovery? Your new thermostat reads both the temperature of 62° at night to you know when the system is more likely to feel differences in temperature as... setting (for example, from a heating temperature of the wall and in the room, but also from Leave to Return. The thermostat displays "Recovery" whenever the thermostat activates Adaptive Intelligent Recovery™ control. "Recovery" displays during the recovery time from Sleep to Wake and from your family. Example...
... AM System Em Heat Fan Mon Room Sleep Heat Auto M14561 Fig. 3. Humans feel right to 70° in recovery? Your new thermostat reads both the temperature of 62° at night to you know when the system is more likely to feel differences in temperature as... setting (for example, from a heating temperature of the wall and in the room, but also from Leave to Return. The thermostat displays "Recovery" whenever the thermostat activates Adaptive Intelligent Recovery™ control. "Recovery" displays during the recovery time from Sleep to Wake and from your family. Example...
Owner's Manual
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... the recovery target (for example, 70° at 6:30 AM. 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 thermostat learns from experience. Recovery time varies with the starting temperature and the comfort temperature you choose. 11...
... the recovery target (for example, 70° at 6:30 AM. 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 thermostat learns from experience. Recovery time varies with the starting temperature and the comfort temperature you choose. 11...
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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... CAUTION Equipment Damage Hazard. See equipment manufacturer instructions. 13 69-1332-4 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 all the schedule periods. Setting System and Fan ...System and Fan keys to the compressor or other equipment. By now you are away. The fan settings can even program the thermostat to return to your regular programming schedule on vacation. To avoid possible equipment damage, do not operate cooling when the outside ...
... CAUTION Equipment Damage Hazard. See equipment manufacturer instructions. 13 69-1332-4 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 all the schedule periods. Setting System and Fan ...System and Fan keys to the compressor or other equipment. By now you are away. The fan settings can even program the thermostat to return to your regular programming schedule on vacation. To avoid possible equipment damage, do not operate cooling when the outside ...
Owner's Manual
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.... (Available only with multistage heat pump.) Setting the Fan Key Press Fan key until the desired system (Heat, Off, Cool, or Auto) displays. Cool: The thermostat controls the cooling. Auto is calling for this zone. 14 69-1332-4 For example, changing the zone... the heating. HEAT PUMP Em.Ht: Emergency heat is off . For this zone. displays when the thermostat is available in all thermostats to change from Heat to Cool causes all zones. Off: Both the heating and cooling are off . Auto: Fan operates only when heating or cooling. ...
.... (Available only with multistage heat pump.) Setting the Fan Key Press Fan key until the desired system (Heat, Off, Cool, or Auto) displays. Cool: The thermostat controls the cooling. Auto is calling for this zone. 14 69-1332-4 For example, changing the zone... the heating. HEAT PUMP Em.Ht: Emergency heat is off . For this zone. displays when the thermostat is available in all thermostats to change from Heat to Cool causes all zones. Off: Both the heating and cooling are off . Auto: Fan operates only when heating or cooling. ...
Owner's Manual
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Hold Temp Setting System Heat 2. Fan NOTE: The display changes from the setpoint to change the tempera- Example display shows temporary heat setting of 60°. Changing and Holding Temperature Setting Indefinitely 1. Run Program 17 69-1332-4 ture setpoint, if desired. Press increase ▲ or decrease ▼ to the room temperature after approximately three seconds. Press Run Program key to display the thermostat in Hold mode. Press Hold Temp key once. Heat Auto M14565 Press Hold Temp key once to cancel hold.
Hold Temp Setting System Heat 2. Fan NOTE: The display changes from the setpoint to change the tempera- Example display shows temporary heat setting of 60°. Changing and Holding Temperature Setting Indefinitely 1. Run Program 17 69-1332-4 ture setpoint, if desired. Press increase ▲ or decrease ▼ to the room temperature after approximately three seconds. Press Run Program key to display the thermostat in Hold mode. Press Hold Temp key once. Heat Auto M14565 Press Hold Temp key once to cancel hold.
Owner's Manual
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... days. 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 thermostat in Vacation mode. Hold for Wake Days Setting System Heat Heat Fan Auto M14834 Press the Time or...
... days. 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 thermostat in Vacation mode. Hold for Wake Days Setting System Heat Heat Fan Auto M14834 Press the Time or...
Owner's Manual
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Press increase ▲ or decrease ▼ to select the period the Hold ends. Wake Leave Return Sleep 4. The thermostat uses both the heating and cooling temperatures when the System is set to select a new Hold temperature. Setting System Heat Hold for Days Fan Return ...
Press increase ▲ or decrease ▼ to select the period the Hold ends. Wake Leave Return Sleep 4. The thermostat uses both the heating and cooling temperatures when the System is set to select a new Hold temperature. Setting System Heat Hold for Days Fan Return ...
Owner's Manual
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Don't worry! To cancel the Vacation Hold before the designated time, press Run Program key at 84°, cooling equipment operates when the room temperature is above 84°F). You can always press Run Program to return display to adjust the temperature setting, if desired (for example, if cool is set at each thermostat. Heat/Cool Settings 6. Press increase ▲ or decrease ▼ to normal. 20 69-1332-4 Press Heat/Cool Settings key to start over? ZONING Pressed the wrong key? 5. Want to change between heat and cool settings.
Don't worry! To cancel the Vacation Hold before the designated time, press Run Program key at 84°, cooling equipment operates when the room temperature is above 84°F). You can always press Run Program to return display to adjust the temperature setting, if desired (for example, if cool is set at each thermostat. Heat/Cool Settings 6. Press increase ▲ or decrease ▼ to normal. 20 69-1332-4 Press Heat/Cool Settings key to start over? ZONING Pressed the wrong key? 5. Want to change between heat and cool settings.
Owner's Manual
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... Setting Filter Days Press the Filter key to a 30-day setting. M14577 23 69-1332-4 Setting or Resetting Filter Indicator Your thermostat comes preset to display filter information. Upon expiration, the thermostat displays "Filter" and the green LED lights (on only one-third of the time each day, it takes three days... after filter expiration: 1. Example display shows current fan run time. Press Filter key to deduct one fan run -time days you select. Filter Indicator Your thermostat monitors the time the fan is on the top right of the...
... Setting Filter Days Press the Filter key to a 30-day setting. M14577 23 69-1332-4 Setting or Resetting Filter Indicator Your thermostat comes preset to display filter information. Upon expiration, the thermostat displays "Filter" and the green LED lights (on only one-third of the time each day, it takes three days... after filter expiration: 1. Example display shows current fan run time. Press Filter key to deduct one fan run -time days you select. Filter Indicator Your thermostat monitors the time the fan is on the top right of the...
Owner's Manual
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... your heat pump service company for assistance. CHECK (RED) LED FILTER (GREEN) LED M13375 ZONING Remote OverrideTemperature Indicator The thermostat can communicate with a variety of the thermostat. Switch the thermostat to Em. may be more expensive so act quickly. Ht. If the temperature was overridden remotely, a (▲) is.... When the right filter expiration LED indicator lights (green), see the Troubleshooting section. The LED indicators are located on all thermostats. Heating with the heat pump. The LED indicators light on the upper right side of system controllers.
... your heat pump service company for assistance. CHECK (RED) LED FILTER (GREEN) LED M13375 ZONING Remote OverrideTemperature Indicator The thermostat can communicate with a variety of the thermostat. Switch the thermostat to Em. may be more expensive so act quickly. Ht. If the temperature was overridden remotely, a (▲) is.... When the right filter expiration LED indicator lights (green), see the Troubleshooting section. The LED indicators are located on all thermostats. Heating with the heat pump. The LED indicators light on the upper right side of system controllers.
Owner's Manual
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Press Set Current Day/Time key. Set Current Day/Time Mon Set Day/Time PM Press Set Current Day/Time key to show information displayed. On initial power up or after an extended power loss, 1:00 PM flashes on all thermostats. M14580 26 69-1332-4 Sharp instruments like pens and pencil points can damage the keyboard. ZONING IMPORTANT Always press the keys with your fingertip or similar blunt tool. 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.
Press Set Current Day/Time key. Set Current Day/Time Mon Set Day/Time PM Press Set Current Day/Time key to show information displayed. On initial power up or after an extended power loss, 1:00 PM flashes on all thermostats. M14580 26 69-1332-4 Sharp instruments like pens and pencil points can damage the keyboard. ZONING IMPORTANT Always press the keys with your fingertip or similar blunt tool. 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.