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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These features are available when more than one thermostat is a multi-functional thermostat. This means it can be used in several different ways such as single or multi-zone applications, conventional furnaces or heat pump equipment. USING THIS ... 60 70 80 90 - Look for helpful tips throughout the guide when you identify the features that apply to your system: ZONING - Triple layer of thermostats with the word, zoning, below . The following symbols will help you see this symbol. 5 69-1332-4
These features are available when more than one thermostat is a multi-functional thermostat. This means it can be used in several different ways such as single or multi-zone applications, conventional furnaces or heat pump equipment. USING THIS ... 60 70 80 90 - Look for helpful tips throughout the guide when you identify the features that apply to your system: ZONING - Triple layer of thermostats with the word, zoning, below . The following symbols will help you see this symbol. 5 69-1332-4
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. You never have to...schedule-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 on...
...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. You never have to...schedule-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 on...
Owner's Manual
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KEYBOARD AND DISPLAY DESCRIPTION Keyboard The keyboard is located behind the thermostat cover. Display The thermostat displays important information such as day, time, schedule period, temperature, filter information, system and fan operation. See Fig. 1. See Fig. 2. 7 69-1332-4 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. Display The thermostat displays important information such as day, time, schedule period, temperature, filter information, system and fan operation. See Fig. 1. 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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... 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... COPY COPIES SETTINGS FROM ONE DAY TO ANOTHER DAY FOR QUICKPROGRAMMING M17459A HEAT/COOL SETTINGS SWITCHES BETWEEN HEAT SETPOINTS AND COOL SETPOINTS WHILE PROGRAMMING Fig. 1. 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... COPY COPIES SETTINGS FROM ONE DAY TO ANOTHER DAY FOR QUICKPROGRAMMING M17459A HEAT/COOL SETTINGS SWITCHES BETWEEN HEAT SETPOINTS AND COOL SETPOINTS WHILE PROGRAMMING Fig. 1. 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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.... When calculating the time to temperature changes as little as two degrees Fahrenheit. See Fig. 3. Common household thermometers and standard thermostats sense only air temperature, which may not reflect how hot or cold the room actually feels to you know when the system is... temperature is in the air, and responds to turn on your heating or cooling system, it 's almost human. The thermostat displays "Recovery" whenever the thermostat activates Adaptive Intelligent Recovery™ control. You perceive temperature from a variety of the wall and in recovery? Recovery AM System...
.... When calculating the time to temperature changes as little as two degrees Fahrenheit. See Fig. 3. Common household thermometers and standard thermostats sense only air temperature, which may not reflect how hot or cold the room actually feels to you know when the system is... temperature is in the air, and responds to turn on your heating or cooling system, it 's almost human. The thermostat displays "Recovery" whenever the thermostat activates Adaptive Intelligent Recovery™ control. You perceive temperature from a variety of the wall and in recovery? Recovery AM System...
Owner's Manual
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... installation or new schedule programming, your heating and cooling system. 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. Each day it checks how closely it hit the recovery target (for example, 70...
... installation or new schedule programming, your heating and cooling system. 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. Each day it checks how closely it hit the recovery target (for example, 70...
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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...schedule period individually. By now you may be set for all the schedule periods. The fan settings can even program the thermostat to return to hold the thermostat at the same time. CAUTION Equipment Damage Hazard. Setting System and Fan Keys Use the System and Fan keys to ... the System and Fan keys, how to override the current programming mode or to your regular programming schedule on vacation. 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 comfortable ...
...schedule period individually. By now you may be set for all the schedule periods. The fan settings can even program the thermostat to return to hold the thermostat at the same time. CAUTION Equipment Damage Hazard. Setting System and Fan Keys Use the System and Fan keys to ... the System and Fan keys, how to override the current programming mode or to your regular programming schedule on vacation. 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 comfortable ...
Owner's Manual
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... Fan Key Press Fan key until the desired mode Fan (On or Auto) displays: On: Fan operates continuously. System Heat: The thermostat controls the heating. Compressor is controlled as stage 1 heat. Cooling system is available in zoned systems when using the W8835 EnviraZone ZONING ...heating and cooling are off . Auto: Fan operates only when heating or cooling. A flashing indicates that the thermostat is calling for this case, changing any thermostat system setting on the indoor temperature. Setting the System Key Press the System key until another zone has completed ...
... Fan Key Press Fan key until the desired mode Fan (On or Auto) displays: On: Fan operates continuously. System Heat: The thermostat controls the heating. Compressor is controlled as stage 1 heat. Cooling system is available in zoned systems when using the W8835 EnviraZone ZONING ...heating and cooling are off . Auto: Fan operates only when heating or cooling. A flashing indicates that the thermostat is calling for this case, changing any thermostat system setting on the indoor temperature. Setting the System Key Press the System key until another zone has completed ...
Owner's Manual
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Heat Auto M14565 Press Hold Temp key once to the room temperature after approximately three seconds. Hold Temp Setting System Heat 2. Fan NOTE: The display changes from the setpoint to display the thermostat in Hold mode. Changing and Holding Temperature Setting Indefinitely 1. Press increase ▲ or decrease ▼ to cancel hold. ture setpoint, if desired. Press Run Program key to change the tempera- Run Program 17 69-1332-4 Example display shows temporary heat setting of 60°. Press Hold Temp key once.
Heat Auto M14565 Press Hold Temp key once to the room temperature after approximately three seconds. Hold Temp Setting System Heat 2. Fan NOTE: The display changes from the setpoint to display the thermostat in Hold mode. Changing and Holding Temperature Setting Indefinitely 1. Press increase ▲ or decrease ▼ to cancel hold. ture setpoint, if desired. Press Run Program key to change the tempera- Run Program 17 69-1332-4 Example display shows temporary heat setting of 60°. Press Hold Temp key once.
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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Similarly, only the cooling temperature is used when the System is set to select a new Hold temperature. The thermostat uses both the heating and cooling temperatures when the System is set to Cool. NOTE: Only the heating temperature is used when the System is ...
Similarly, only the cooling temperature is used when the System is set to select a new Hold temperature. The thermostat uses both the heating and cooling temperatures when the System is set to Cool. NOTE: Only the heating temperature is used when the System is ...
Owner's Manual
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5. Press Heat/Cool Settings key to start over? ZONING Pressed the wrong key? 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. Press increase ▲ or decrease ▼ to normal. 20 69-1332-4 Heat/Cool Settings 6. Want to change between heat and cool settings. Don't worry! You can always press Run Program to return display to adjust the temperature setting, if desired (for example, if cool is above 84°F).
5. Press Heat/Cool Settings key to start over? ZONING Pressed the wrong key? 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. Press increase ▲ or decrease ▼ to normal. 20 69-1332-4 Heat/Cool Settings 6. Want to change between heat and cool settings. Don't worry! You can always press Run Program to return display to adjust the temperature setting, if desired (for example, if cool is above 84°F).
Owner's Manual
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...example, if the 60 70 80 90 fan is running and lets you select. 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 fan run time set to 30 days with the ... Setting Filter Days Press the Filter key to a 30-day setting. To change this setting, or reset after filter expiration: 1. Filter Indicator Your thermostat monitors the time the fan is on the top right of the time each day, it takes three days to deduct one -third of the...
...example, if the 60 70 80 90 fan is running and lets you select. 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 fan run time set to 30 days with the ... Setting Filter Days Press the Filter key to a 30-day setting. To change this setting, or reset after filter expiration: 1. Filter Indicator Your thermostat monitors the time the fan is on the top right of the time each day, it takes three days to deduct one -third of the...
Owner's Manual
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Ht. CHECK (RED) LED FILTER (GREEN) LED M13375 ZONING Remote OverrideTemperature Indicator The thermostat can communicate with Em.Ht. Mon 25 Temporary AM Heat System Heat Fan Auto M17763 69-1332-4 and contact your heat pump service company ...LED indicator lights (green), see the Troubleshooting section. The LED indicators are located on all thermostats. The LED indicators light on the upper right side of system controllers. Heating with a variety of the thermostat. LED Indicators Two light emitting diode (LED) indicators are clear until lighted. HEAT PUMP The...
Ht. CHECK (RED) LED FILTER (GREEN) LED M13375 ZONING Remote OverrideTemperature Indicator The thermostat can communicate with Em.Ht. Mon 25 Temporary AM Heat System Heat Fan Auto M17763 69-1332-4 and contact your heat pump service company ...LED indicator lights (green), see the Troubleshooting section. The LED indicators are located on all thermostats. The LED indicators light on the upper right side of system controllers. Heating with a variety of the thermostat. LED Indicators Two light emitting diode (LED) indicators are clear until lighted. HEAT PUMP The...
Owner's Manual
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ZONING IMPORTANT Always press the keys with your fingertip or similar blunt tool. On initial power up or after an extended power loss, 1:00 PM flashes on all thermostats. Press Set Current Day/Time key. M14580 26 69-1332-4 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. 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. On initial power up or after an extended power loss, 1:00 PM flashes on all thermostats. Press Set Current Day/Time key. M14580 26 69-1332-4 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. Set Current Day/Time Mon Set Day/Time PM Press Set Current Day/Time key to show information displayed.