User Guide
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CONTENTS USING THIS GUIDE ...5 FEATURES ...6 KEYBOARD AND DISPLAY DESCRIPTION ...7 Keyboard ...7 Display ...7 ADAPTIVE INTELLIGENT RECOVERYTM 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 RECOVERYTM 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 ...
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Contents (Cont) Using the (Information) Key ...23 Display Current Setting ...23 Display or Reset Filter Timer Settings ...24 SETTING THE CLOCK ...25 Set Current Day and Time ...25 Daylight Saving Time ...27 PROGRAMMING YOUR THERMOSTAT ...28 7-Day Program and Operation ...28 7-Day Preprogrammed Schedule ...29 Customizing Your Own 7-Day Schedule ...30 Programming the First Day ...31 Copying a Day ...36 Clearing a Program Period ...39 TROUBLESHOOTING ...41 WARRANTY ...43 CUSTOMER ASSISTANCE ...45 4 69-1536-3
Contents (Cont) Using the (Information) Key ...23 Display Current Setting ...23 Display or Reset Filter Timer Settings ...24 SETTING THE CLOCK ...25 Set Current Day and Time ...25 Daylight Saving Time ...27 PROGRAMMING YOUR THERMOSTAT ...28 7-Day Program and Operation ...28 7-Day Preprogrammed Schedule ...29 Customizing Your Own 7-Day Schedule ...30 Programming the First Day ...31 Copying a Day ...36 Clearing a Program Period ...39 TROUBLESHOOTING ...41 WARRANTY ...43 CUSTOMER ASSISTANCE ...45 4 69-1536-3
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These features are available when more than one thermostat is a multi-functional thermostat. This means it can be used with the word, zoning, below. ZONING 60 70 80 90 60 70 80 90 - Tip symbol. Look for helpful tips throughout the guide when you identify the features that apply to your system: - Triple layer of thermostats with the W8665E RF ZoneTM Panel. The following symbols will help you see this symbol. 5 69-1536-3 USING THIS GUIDE The T8665A is used in single or multi-zone applications.
These features are available when more than one thermostat is a multi-functional thermostat. This means it can be used with the word, zoning, below. ZONING 60 70 80 90 60 70 80 90 - Tip symbol. Look for helpful tips throughout the guide when you identify the features that apply to your system: - Triple layer of thermostats with the W8665E RF ZoneTM Panel. The following symbols will help you see this symbol. 5 69-1536-3 USING THIS GUIDE The T8665A is used in single or multi-zone applications.
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... Intelligent RecoveryTM Control for comfort and energy savings. • Customize the program schedule-program your own schedule to fit your thermostat can activate the fan in any key to activate). • Programmable Fan - your needs. • Temporary schedule override-set the... Time key for quick time changes between Daylight and Standard time. • Backlit display for improved air circulation and air cleaning when a Honeywell wholehouse air cleaner is installed. 6 69-1536-3 Set the temperature higher or lower for energy savings while on demand (press any programming period...
... Intelligent RecoveryTM Control for comfort and energy savings. • Customize the program schedule-program your own schedule to fit your thermostat can activate the fan in any key to activate). • Programmable Fan - your needs. • Temporary schedule override-set the... Time key for quick time changes between Daylight and Standard time. • Backlit display for improved air circulation and air cleaning when a Honeywell wholehouse air cleaner is installed. 6 69-1536-3 Set the temperature higher or lower for energy savings while on demand (press any programming period...
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See Fig. 2. 7 69-1536-3 Display The thermostat displays important information such as day, time, schedule period, temperature, system and fan operation. See Fig. 1. 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 69-1536-3 Display The thermostat displays important information such as day, time, schedule period, temperature, system and fan operation. See Fig. 1. 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.
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Thermostat keyboard description. 8 INCREASE RAISES TEMPERATURE SETTING DECREASE LOWERS TEMPERATURE SETTING INFORMATION DISPLAYS CURRENT HEAT/COOL TEMPERATURE SETTING RETURN SET RETURN TIMES AND TEMPERATURES SLEEP SET ... OR BACK SET 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 Run Program Set Current Day/Time Time Wake Set Program Leave Return Sleep...
Thermostat keyboard description. 8 INCREASE RAISES TEMPERATURE SETTING DECREASE LOWERS TEMPERATURE SETTING INFORMATION DISPLAYS CURRENT HEAT/COOL TEMPERATURE SETTING RETURN SET RETURN TIMES AND TEMPERATURES SLEEP SET ... OR BACK SET 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 Run Program Set Current Day/Time Time Wake Set Program Leave Return Sleep...
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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 ADAPTIVE INTELLIGENT RECOVERYTM IS CHANGING THE TEMPERATURE TO MEET THE CURRENT PROGRAM Wait Set Program Set ... SETTING CHANGED FOR THIS PROGRAM PERIOD Setting System Heat Off Cool Auto Fan On Auto SHOWS TEMPERATURE DISPLAYED IS THE CURRENT SET TEMPERATURE SHOWS THAT THERMOSTAT IS CALLING FOR SHOWS CURRENT SYSTEM KEY POSITION HEAT/OFF/COOL SHOWS CURRENT FAN KEY POSITION ON/AUTO SHOWS CURRENT DAY OR DAYS BEING PROGRAMMED...
... 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 ADAPTIVE INTELLIGENT RECOVERYTM IS CHANGING THE TEMPERATURE TO MEET THE CURRENT PROGRAM Wait Set Program Set ... SETTING CHANGED FOR THIS PROGRAM PERIOD Setting System Heat Off Cool Auto Fan On Auto SHOWS TEMPERATURE DISPLAYED IS THE CURRENT SET TEMPERATURE SHOWS THAT THERMOSTAT IS CALLING FOR SHOWS CURRENT SYSTEM KEY POSITION HEAT/OFF/COOL SHOWS CURRENT FAN KEY POSITION ON/AUTO SHOWS CURRENT DAY OR DAYS BEING PROGRAMMED...
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...windows and furnishings. When calculating the time to you choose is reached without overshooting the setting. ADAPTIVE INTELLIGENT RECOVERYTM CONTROL Your new thermostat is so smart, it considers air temperature, wall temperature, and the time you know when the system is in the morning... to Wake and from a heating temperature of sources, not only from your heating or cooling system, it 's almost human. Your new thermostat reads both the temperature of "Recovery" indication. 10 69-1536-3 After considering these three things, Adaptive Intelligent Fan Mon Room Sleep Heat Auto...
...windows and furnishings. When calculating the time to you choose is reached without overshooting the setting. ADAPTIVE INTELLIGENT RECOVERYTM CONTROL Your new thermostat is so smart, it considers air temperature, wall temperature, and the time you know when the system is in the morning... to Wake and from a heating temperature of sources, not only from your heating or cooling system, it 's almost human. Your new thermostat reads both the temperature of "Recovery" indication. 10 69-1536-3 After considering these three things, Adaptive Intelligent Fan Mon Room Sleep Heat Auto...
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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 69-1536-3 After installation or new schedule programming, ...
... 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 69-1536-3 After installation or new schedule programming, ...
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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 Recovery IS DISPLAYED, PRESS TO SEE THE COMFORT SETPOINT...
... 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 Recovery IS DISPLAYED, PRESS TO SEE THE COMFORT SETPOINT...
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...features you'll be using often, like setting the System and Fan keys, how to override the current programming mode or to hold the thermostat at the same time. CAUTION Equipment Damage Hazard. To avoid possible equipment damage, do not operate cooling when the outside temperature is for... vacation so you are away. To avoid possible compressor damage, allow the compressor to your thermostat and how to use some more time and energy-saving features. OPERATING YOUR THERMOSTAT Your new thermostat saves energy and keeps you are comfortable when you return and yet save energy while you ...
...features you'll be using often, like setting the System and Fan keys, how to override the current programming mode or to hold the thermostat at the same time. CAUTION Equipment Damage Hazard. To avoid possible equipment damage, do not operate cooling when the outside temperature is for... vacation so you are away. To avoid possible compressor damage, allow the compressor to your thermostat and how to use some more time and energy-saving features. OPERATING YOUR THERMOSTAT Your new thermostat saves energy and keeps you are comfortable when you return and yet save energy while you ...
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... the cooling. the system will satisfy system demand on the indoor temperature. NOTE: The thermostat may delay turning on the fan until another zone ZONING has completed its call for heat or cool before turning on the cool for this ... system (Heat, Off, Cool, or Auto) displays. Auto: Fan operates only when heating or cooling. Auto: The thermostat automatically changes between heating and cooling operation, depending on a first call for zone 1. displays when the thermostat is calling for heating ZONING and then zone 1 (any zone) asks for the fan in this zone...
... the cooling. the system will satisfy system demand on the indoor temperature. NOTE: The thermostat may delay turning on the fan until another zone ZONING has completed its call for heat or cool before turning on the cool for this ... system (Heat, Off, Cool, or Auto) displays. Auto: Fan operates only when heating or cooling. Auto: The thermostat automatically changes between heating and cooling operation, depending on a first call for zone 1. displays when the thermostat is calling for heating ZONING and then zone 1 (any zone) asks for the fan in this zone...
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Heat Auto M14565 Press Hold Temp key once to cancel hold. Press Run Program key to display the thermostat in Hold mode. Hold Temp Setting System Heat 2. Example display shows temporary heat setting of 60°. Press increase ▲ or decrease ▼ to the room temperature after approximately three seconds. Changing and Holding Temperature Setting Indefinitely 1. Fan NOTE: The display changes from the setpoint to change the tempera- Run Program 17 69-1536-3 Press Hold Temp key once. ture setpoint, if desired.
Heat Auto M14565 Press Hold Temp key once to cancel hold. Press Run Program key to display the thermostat in Hold mode. Hold Temp Setting System Heat 2. Example display shows temporary heat setting of 60°. Press increase ▲ or decrease ▼ to the room temperature after approximately three seconds. Changing and Holding Temperature Setting Indefinitely 1. Fan NOTE: The display changes from the setpoint to change the tempera- Run Program 17 69-1536-3 Press Hold Temp key once. ture setpoint, if desired.
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... IMPORTANT To cancel the Vacation Hold before the designated time, press Run Program key. M14833 Press Hold Temp key twice to display the thermostat in a zone system, set all thermostats independently to Vacation Hold. Press Time or Time until the desired number of days (1 to select the number of 60°. TIME...
... IMPORTANT To cancel the Vacation Hold before the designated time, press Run Program key. M14833 Press Hold Temp key twice to display the thermostat in a zone system, set all thermostats independently to Vacation Hold. Press Time or Time until the desired number of days (1 to select the number of 60°. TIME...
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... ▲ or decrease ▼ key to select the period the Hold ends. Press Wake, Leave, Return or Sleep key to select a new Hold temperature. The thermostat uses both the heating and cooling temperatures when the System is set to Cool. Example display shows temporary heat setting of the Return period. Press...
... ▲ or decrease ▼ key to select the period the Hold ends. Press Wake, Leave, Return or Sleep key to select a new Hold temperature. The thermostat uses both the heating and cooling temperatures when the System is set to Cool. Example display shows temporary heat setting of the Return period. Press...
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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. Don't worry! ZONING Pressed the wrong key? Want to normal. 20 69-1536-3 Run You can always press Program to return display to start over? Press Heat/Cool Settings key to adjust the temperature setting, if desired (for example, if cool is above 84°F). 5. Press increase ▲ or decrease ▼ to change between heat and cool settings. Heat/Cool Settings 6.
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. Don't worry! ZONING Pressed the wrong key? Want to normal. 20 69-1536-3 Run You can always press Program to return display to start over? Press Heat/Cool Settings key to adjust the temperature setting, if desired (for example, if cool is above 84°F). 5. Press increase ▲ or decrease ▼ to change between heat and cool settings. Heat/Cool Settings 6.
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IMPORTANT Although the thermostat has a low battery indicator, replace the batteries once a year to prevent leakage and to prevent the thermostat and heating/cooling system from one to lack of the thermostat and heating (cooling system). M10622 21 69-1536-3 Replace the batteries as soon... as possible when the message flashes. Replacing the Batteries This thermostat uses three AA alkaline batteries. INSTALL 3 AA ALKALINE BATTERIES AS SHOWN, POSITIVE (+) TERMINALS TOWARD TOP. WALLPLATE B R RC O W Y G ...
IMPORTANT Although the thermostat has a low battery indicator, replace the batteries once a year to prevent leakage and to prevent the thermostat and heating/cooling system from one to lack of the thermostat and heating (cooling system). M10622 21 69-1536-3 Replace the batteries as soon... as possible when the message flashes. Replacing the Batteries This thermostat uses three AA alkaline batteries. INSTALL 3 AA ALKALINE BATTERIES AS SHOWN, POSITIVE (+) TERMINALS TOWARD TOP. WALLPLATE B R RC O W Y G ...
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... time and day. Always use fresh alkaline batteries. 2. Remove the thermostat by placing your thumb between the thermostat and wallplate and pulling the thermostat up and away as long; You must reset the time and day. As a precaution when leaving home for instructions. Honeywell recommends Energizer® batteries. 22 69-1536-3 If the display... 60 70 80 90 60 70 80 90 longer than a month, change batteries before leaving to prevent the system from shutting down due to the thermostat and the wall surface.
... time and day. Always use fresh alkaline batteries. 2. Remove the thermostat by placing your thumb between the thermostat and wallplate and pulling the thermostat up and away as long; You must reset the time and day. As a precaution when leaving home for instructions. Honeywell recommends Energizer® batteries. 22 69-1536-3 If the display... 60 70 80 90 60 70 80 90 longer than a month, change batteries before leaving to prevent the system from shutting down due to the thermostat and the wall surface.
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Display or Reset Filter Timer Settings When the thermostat activates a timer, the thermostat flashes Filter until the expired timer is displayed. Filter Days M20243 2. Press the Timer ▲ key to use this feature and it is active, all ... the Installation Instructions at any time by pressing the i key until the timer resets. 1. Note: You can view the number of days remaining at www.honeywell.com/yourhome or call 1-800-4681502. Press the Run Program key. Reset the timer by pressing the i key three or four times.
Display or Reset Filter Timer Settings When the thermostat activates a timer, the thermostat flashes Filter until the expired timer is displayed. Filter Days M20243 2. Press the Timer ▲ key to use this feature and it is active, all ... the Installation Instructions at any time by pressing the i key until the timer resets. 1. Note: You can view the number of days remaining at www.honeywell.com/yourhome or call 1-800-4681502. Press the Run Program key. Reset the timer by pressing the i key three or four times.