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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USING THIS GUIDE The T8635L is connected and used with the optional W8703 Damper Interface Module, W8635A, B Equipment Interface Modules, or with the W8835 EnviraZone System. The following symbols will ... the guide when you identify the features that apply to your system: ZONING - Tip symbol. These features are available when more than one thermostat is a multi-functional thermostat. These features are available when used in several different ways such as single or multi-zone applications, conventional furnaces or heat pump equipment. HEAT...
USING THIS GUIDE The T8635L is connected and used with the optional W8703 Damper Interface Module, W8635A, B Equipment Interface Modules, or with the W8835 EnviraZone System. The following symbols will ... the guide when you identify the features that apply to your system: ZONING - Tip symbol. These features are available when more than one thermostat is a multi-functional thermostat. These features are available when used in several different ways such as single or multi-zone applications, conventional furnaces or heat pump equipment. HEAT...
Owner's Manual
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...outdoor temperature (C7089B Outdoor Temperature Sensor optional accessory), the current setpoints, or the filter status. • No batteries needed-your thermostat retains the schedule for energy savings while on demand (press any key to activate) or continual backlighting. FEATURES • Adaptive ...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 255 days) for backlighting...
...outdoor temperature (C7089B Outdoor Temperature Sensor optional accessory), the current setpoints, or the filter status. • No batteries needed-your thermostat retains the schedule for energy savings while on demand (press any key to activate) or continual backlighting. FEATURES • Adaptive ...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 255 days) for backlighting...
Owner's Manual
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See Fig. 2. 7 69-1332-4 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. Three frequently used keys, increase ▲ or decrease ▼ and , are located next to the display.
See Fig. 2. 7 69-1332-4 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. 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). RETURN SET RETURN ... 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). RETURN SET RETURN ... 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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...degree Fahrenheit, so room temperature is in the morning). The thermostat acts like a computer. How do you want to temperature changes as little as two degrees Fahrenheit. The thermostat displays "Recovery" whenever the thermostat activates Adaptive Intelligent Recovery™ control. You perceive temperature from... the air in the air, and responds to reach the comfort temperature. Common household thermometers and standard thermostats sense only air temperature, which may not reflect how hot or cold the room actually feels to Return. See Fig. 3. ...
...degree Fahrenheit, so room temperature is in the morning). The thermostat acts like a computer. How do you want to temperature changes as little as two degrees Fahrenheit. The thermostat displays "Recovery" whenever the thermostat activates Adaptive Intelligent Recovery™ control. You perceive temperature from... the air in the air, and responds to reach the comfort temperature. Common household thermometers and standard thermostats sense only air temperature, which may not reflect how hot or cold the room actually feels to Return. See Fig. 3. ...
Owner's Manual
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... 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 69-1332-4 Each day it checks how closely ...
... 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 69-1332-4 Each day it checks how closely ...
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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Setting System and Fan Keys Use the System and Fan keys to remain off for five minutes before restarting. OPERATING YOUR THERMOSTAT Your new thermostat saves energy and keeps you comfortable at a specific temperature while you go on your last day of vacation so you are ...temperature is for each schedule period individually. See equipment manufacturer instructions. 13 69-1332-4 The fan settings can even program the thermostat to return to hold the thermostat at the same time. You can be using often, like setting the System and Fan keys, how to override the current...
Setting System and Fan Keys Use the System and Fan keys to remain off for five minutes before restarting. OPERATING YOUR THERMOSTAT Your new thermostat saves energy and keeps you comfortable at a specific temperature while you go on your last day of vacation so you are ...temperature is for each schedule period individually. See equipment manufacturer instructions. 13 69-1332-4 The fan settings can even program the thermostat to return to hold the thermostat at the same time. You can be using often, like setting the System and Fan keys, how to override the current...
Owner's Manual
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... Compressor is waiting ZONING until the desired mode Fan (On or Auto) displays: On: Fan operates continuously. A flashing indicates that the thermostat is de-energized. (Available only with multistage heat pump.) Setting the Fan Key Press Fan key until another zone has completed its call ...the System Key Press the System key until the desired system (Heat, Off, Cool, or Auto) displays. displays when the thermostat is not available in all thermostats to change from Heat to Cool. Cooling system is controlled as stage 1 heat. Auto: Fan operates only when heating or ...
... Compressor is waiting ZONING until the desired mode Fan (On or Auto) displays: On: Fan operates continuously. A flashing indicates that the thermostat is de-energized. (Available only with multistage heat pump.) Setting the Fan Key Press Fan key until another zone has completed its call ...the System Key Press the System key until the desired system (Heat, Off, Cool, or Auto) displays. displays when the thermostat is not available in all thermostats to change from Heat to Cool. Cooling system is controlled as stage 1 heat. Auto: Fan operates only when heating or ...
Owner's Manual
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Press increase ▲ or decrease ▼ to display the thermostat in Hold mode. Heat Auto M14565 Press Hold Temp key once to change the tempera- Press Run Program key to the room temperature after approximately three seconds. Changing and Holding Temperature Setting Indefinitely 1. ture setpoint, if desired. Example display shows temporary heat setting of 60°. Run Program 17 69-1332-4 Hold Temp Setting System Heat 2. Press Hold Temp key once. Fan NOTE: The display changes from the setpoint to cancel hold.
Press increase ▲ or decrease ▼ to display the thermostat in Hold mode. Heat Auto M14565 Press Hold Temp key once to change the tempera- Press Run Program key to the room temperature after approximately three seconds. Changing and Holding Temperature Setting Indefinitely 1. ture setpoint, if desired. Example display shows temporary heat setting of 60°. Run Program 17 69-1332-4 Hold Temp Setting System Heat 2. Press Hold Temp key once. Fan NOTE: The display changes from the setpoint to cancel hold.
Owner's Manual
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... 255 days) displays. 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...
... 255 days) displays. 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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... example, the Hold ends after the 18th day at the beginning of 55°. Example display shows temporary heat setting of the Return period. The thermostat uses both the heating and cooling temperatures when the System is set to Cool. Setting System Heat Hold for Days Fan Return Heat Press increase...
... example, the Hold ends after the 18th day at the beginning of 55°. Example display shows temporary heat setting of the Return period. The thermostat uses both the heating and cooling temperatures when the System is set to Cool. Setting System Heat Hold for Days Fan Return Heat Press increase...
Owner's Manual
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Heat/Cool Settings 6. Press increase ▲ or decrease ▼ to normal. 20 69-1332-4 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 set at each thermostat. 5. 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). Want to change between heat and cool settings. Don't worry! Press Heat/Cool Settings key to start over?
Heat/Cool Settings 6. Press increase ▲ or decrease ▼ to normal. 20 69-1332-4 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 set at each thermostat. 5. 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). Want to change between heat and cool settings. Don't worry! Press Heat/Cool Settings key to start over?
Owner's Manual
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... 90 fan is running and lets you select. Press Filter key to display filter information. Upon expiration, the thermostat displays "Filter" and the green LED lights (on the number of the thermostat). Filter Filter Tue Wake AM Room DST FILTER EXPIRATION INDICATOR System Em Heat Fan Auto M17760 Setting Filter Days... Press the Filter key to enter the Filter mode. Setting or Resetting Filter Indicator Your thermostat comes preset to replace the filter, based on the top right of fan run time. Filter Indicator Your...
... 90 fan is running and lets you select. Press Filter key to display filter information. Upon expiration, the thermostat displays "Filter" and the green LED lights (on the number of the thermostat). Filter Filter Tue Wake AM Room DST FILTER EXPIRATION INDICATOR System Em Heat Fan Auto M17760 Setting Filter Days... Press the Filter key to enter the Filter mode. Setting or Resetting Filter Indicator Your thermostat comes preset to replace the filter, based on the top right of fan run time. Filter Indicator Your...
Owner's Manual
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...Temporary" flashes. when the heat pump check LED indicator lights (red), see the Filter Indication section; The LED indicators are located on all thermostats. Mon 25 Temporary AM Heat System Heat Fan Auto M17763 69-1332-4 When the right filter expiration LED indicator lights (green), see the Troubleshooting.... and contact 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. Heating with the heat pump. Switch the...
...Temporary" flashes. when the heat pump check LED indicator lights (red), see the Filter Indication section; The LED indicators are located on all thermostats. Mon 25 Temporary AM Heat System Heat Fan Auto M17763 69-1332-4 When the right filter expiration LED indicator lights (green), see the Troubleshooting.... and contact 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. Heating with the heat pump. Switch the...
Owner's Manual
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Set Current Day/Time Mon Set Day/Time PM Press Set Current Day/Time key to show information displayed. ZONING IMPORTANT Always press the keys with your fingertip or similar blunt tool. Press Set Current Day/Time key. 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. Sharp instruments like pens and pencil points can damage the keyboard. On initial power up or after an extended power loss, 1:00 PM flashes on all thermostats. M14580 26 69-1332-4
Set Current Day/Time Mon Set Day/Time PM Press Set Current Day/Time key to show information displayed. ZONING IMPORTANT Always press the keys with your fingertip or similar blunt tool. Press Set Current Day/Time key. 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. Sharp instruments like pens and pencil points can damage the keyboard. On initial power up or after an extended power loss, 1:00 PM flashes on all thermostats. M14580 26 69-1332-4