Owner's Manual
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Registered Trademark Copyright © 2003 Honeywell International Inc. All Rights Reserved 69-1538 T8665C,D,E EnergyPro™ Thermostat OWNER'S GUIDE ® U.S.
Registered Trademark Copyright © 2003 Honeywell International Inc. All Rights Reserved 69-1538 T8665C,D,E EnergyPro™ Thermostat OWNER'S GUIDE ® U.S.
Owner's Manual
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Contents Introduction ...3 Using this Guide ...4 Thermostat Features ...7 Operating Your Thermostat ...11 Setting the Clock ...12 Programming Your Thermostat ...25 Replacing the Batteries (T8665C Only 38 Adaptive Intelligent Recovery™ Control 40 Troubleshooting (Table 3) ...43 Warranty ...50 Customer Assistance ...51 69-1538 2
Contents Introduction ...3 Using this Guide ...4 Thermostat Features ...7 Operating Your Thermostat ...11 Setting the Clock ...12 Programming Your Thermostat ...25 Replacing the Batteries (T8665C Only 38 Adaptive Intelligent Recovery™ Control 40 Troubleshooting (Table 3) ...43 Warranty ...50 Customer Assistance ...51 69-1538 2
Owner's Manual
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... purchasing your home comfort system. These programs allow you to be part of service, energy savings and convenience to your new EnergyPro™ Thermostat. Although the EnergyPro™ Thermostat can be used standalone, it is designed to add a new level of a communicating system provided by your Energy Utility. As part of a larger...
... purchasing your home comfort system. These programs allow you to be part of service, energy savings and convenience to your new EnergyPro™ Thermostat. Although the EnergyPro™ Thermostat can be used standalone, it is designed to add a new level of a communicating system provided by your Energy Utility. As part of a larger...
Owner's Manual
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... not specifically authorized by Honeywell may void the user's authority to your Energy Utility. Look for helpful 60 70 80 90 60 70 80 90 tips throughout this guide when you identify the features that apply to operate this symbol. Keyboard The keyboard is located behind the thermostat cover. This information can... are located next to send and receive information. The following symbols will help you see this device. 4 USING THIS GUIDE Keyboard and Display Description The T8665C,D,E Communicating Thermostat uses two-way radio frequency (RF) to the display. See Fig. 2. -
... not specifically authorized by Honeywell may void the user's authority to your Energy Utility. Look for helpful 60 70 80 90 60 70 80 90 tips throughout this guide when you identify the features that apply to operate this symbol. Keyboard The keyboard is located behind the thermostat cover. This information can... are located next to send and receive information. The following symbols will help you see this device. 4 USING THIS GUIDE Keyboard and Display Description The T8665C,D,E Communicating Thermostat uses two-way radio frequency (RF) to the display. See Fig. 2. -
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 Run Program Set Current Day/Time HOLD TEMP SETS A HOLD TEMPERATURE SETTING AND ACTIVATES VACATION...
... 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 HOLD TEMP SETS A HOLD TEMPERATURE SETTING AND ACTIVATES VACATION...
Owner's Manual
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... SHOWS CURRENT PROGRAM PERIOD OR PERIOD BEING PROGRAMMED DISPLAYS EITHER CURRENT TIME OF DAY OR PROGRAM TIMES SHOWS WHEN THERMOSTAT IS IN THE PROGRAMMING MODE SHOWS THERMOSTAT IS IN THE SET CURRENT DAY/TIME MODE SHOWS TEMPERATURE SETTING CHANGED FOR THIS PROGRAM PERIOD SHOWS TEMPERATURE DISPLAYED ...IS THE CURRENT SET TEMPERATURE SHOWS THAT THERMOSTAT IS CALLING FOR HiMedLo Set Program Set Day/Time Temporary Setting Critical AM Hold for Filter Em Ht Aux Ht Days MonTueWedThuFri ...
... SHOWS CURRENT PROGRAM PERIOD OR PERIOD BEING PROGRAMMED DISPLAYS EITHER CURRENT TIME OF DAY OR PROGRAM TIMES SHOWS WHEN THERMOSTAT IS IN THE PROGRAMMING MODE SHOWS THERMOSTAT IS IN THE SET CURRENT DAY/TIME MODE SHOWS TEMPERATURE SETTING CHANGED FOR THIS PROGRAM PERIOD SHOWS TEMPERATURE DISPLAYED ...IS THE CURRENT SET TEMPERATURE SHOWS THAT THERMOSTAT IS CALLING FOR HiMedLo Set Program Set Day/Time Temporary Setting Critical AM Hold for Filter Em Ht Aux Ht Days MonTueWedThuFri ...
Owner's Manual
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...time changes between Daylight and Standard time. • Backlit display for added comfort and energy savings. At the same time, set the thermostat higher or lower indefinitely. • Vacation mode (1 to 255 days) for improved readability (press any key to activate). •... Optional outdoor temperature display- ask your Energy Utility or systems provider. 7 69-1538 THERMOSTAT FEATURES • Adaptive Intelligent Recovery™ Control for energy savings while on vacation. Set the temperature higher or lower for comfort and ...
...time changes between Daylight and Standard time. • Backlit display for added comfort and energy savings. At the same time, set the thermostat higher or lower indefinitely. • Vacation mode (1 to 255 days) for improved readability (press any key to activate). •... Optional outdoor temperature display- ask your Energy Utility or systems provider. 7 69-1538 THERMOSTAT FEATURES • Adaptive Intelligent Recovery™ Control for energy savings while on vacation. Set the temperature higher or lower for comfort and ...
Owner's Manual
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... Em Ht Aux Ht Sat Wake Room DST System Cool Fan Auto M20901 69-1538 8 Special Energy Saving Features The EnergyPro™ Thermostat supports Demand Response and Price Response Programs from your community, the word, SAVE, is helping your Energy Utility to reduce your local Energy... Utility. When your thermostat is displayed on the thermostat as shown. If you have any questions concerning the application of this thermostat can be managed by your utility to manage energy in your Energy Utility. If you ...
... Em Ht Aux Ht Sat Wake Room DST System Cool Fan Auto M20901 69-1538 8 Special Energy Saving Features The EnergyPro™ Thermostat supports Demand Response and Price Response Programs from your community, the word, SAVE, is helping your Energy Utility to reduce your local Energy... Utility. When your thermostat is displayed on the thermostat as shown. If you have any questions concerning the application of this thermostat can be managed by your utility to manage energy in your Energy Utility. If you ...
Owner's Manual
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...Day/Time Em Ht Aux Ht Tue Wake Room DST System Cool Fan Auto M20902 Price Response If your utility offers a Price Response Program, this thermostat works with your Energy Utility to inform you of the rate in effect at a higher temperature during cooling season and a lower temperature during heating ...season to minimize the effect on the thermostat display as shown (Critical, Hi, Med, and Lo). When the Pre-heat or Pre-cool option is in effect is indicated on your home...
...Day/Time Em Ht Aux Ht Tue Wake Room DST System Cool Fan Auto M20902 Price Response If your utility offers a Price Response Program, this thermostat works with your Energy Utility to inform you of the rate in effect at a higher temperature during cooling season and a lower temperature during heating ...season to minimize the effect on the thermostat display as shown (Critical, Hi, Med, and Lo). When the Pre-heat or Pre-cool option is in effect is indicated on your home...
Owner's Manual
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... Done. You may be wondering how to use My Choice and cancel an energy-saving event, press and hold the thermostat at the same time. First, let's look at features you'll be using often, like setting the System and Fan M14596 keys, how to override ... not offer the My Choice feature, pressing and holding the Run Program key will not cancel the energy-saving event. Run Program OPERATING YOUR THERMOSTAT Your new thermostat saves energy and keeps you comfortable at a specific temperature while you need to hold Run Program key for further information. Your Energy Utility may...
... Done. You may be wondering how to use My Choice and cancel an energy-saving event, press and hold the thermostat at the same time. First, let's look at features you'll be using often, like setting the System and Fan M14596 keys, how to override ... not offer the My Choice feature, pressing and holding the Run Program key will not cancel the energy-saving event. Run Program OPERATING YOUR THERMOSTAT Your new thermostat saves energy and keeps you comfortable at a specific temperature while you need to hold Run Program key for further information. Your Energy Utility may...
Owner's Manual
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... schedule on display until current day displays. Setting the clock can damage keyboard. then 60 70 80 90 the time is pressed. even program the thermostat to return to show information displayed. SETTING THE CLOCK 1. Press Day key until a key is automatically updated. 2. Sharp instruments like pens and pencil points can...
... schedule on display until current day displays. Setting the clock can damage keyboard. then 60 70 80 90 the time is pressed. even program the thermostat to return to show information displayed. SETTING THE CLOCK 1. Press Day key until a key is automatically updated. 2. Sharp instruments like pens and pencil points can...
Owner's Manual
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...five minutes before restarting. Em.Ht: Emergency heat is de- The compressor is controlled as stage 1 heat. Cool: The thermostat controls the cooling. The Cooling system is below 50°F (10°C). HEAT PUMP energized. 15 69-1538 Setting System... cooling when outside temperature is off. CAUTION Equipment Damage Hazard. Auto: The thermostat automatically changes between heating and cooling operation, depending on the indoor temperature. Heat: The thermostat controls the heating. To avoid possible compressor damage, allow compressor to the compressor...
...five minutes before restarting. Em.Ht: Emergency heat is de- The compressor is controlled as stage 1 heat. Cool: The thermostat controls the cooling. The Cooling system is below 50°F (10°C). HEAT PUMP energized. 15 69-1538 Setting System... cooling when outside temperature is off. CAUTION Equipment Damage Hazard. Auto: The thermostat automatically changes between heating and cooling operation, depending on the indoor temperature. Heat: The thermostat controls the heating. To avoid possible compressor damage, allow compressor to the compressor...
Owner's Manual
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...display shows temporary heat setting of 60°. Hold Temp Setting System Heat Fan Heat Auto M14565 Press Hold Temp key once to display thermostat in Hold mode. Hold Temp Setting System Heat Hold for Days Fan Wake Heat Auto M14833 Press Hold Temp key twice to display the... thermostat in Vacation mode. Example display shows temporary heat setting of 60°. 69-1538 18 Changing Temperature Setting Until a Designated Day and Period (...
...display shows temporary heat setting of 60°. Hold Temp Setting System Heat Fan Heat Auto M14565 Press Hold Temp key once to display thermostat in Hold mode. Hold Temp Setting System Heat Hold for Days Fan Wake Heat Auto M14833 Press Hold Temp key twice to display the... thermostat in Vacation mode. Example display shows temporary heat setting of 60°. 69-1538 18 Changing Temperature Setting Until a Designated Day and Period (...
Owner's Manual
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... setting, if desired (for example, if cool is set to Cool. Similarly, only the cooling temperature is used when System is set to Auto. The thermostat uses both heating and cooling temperatures when System is set to Heat. NOTE: Only the heating temperature is used when System is set to 84...
... setting, if desired (for example, if cool is set to Cool. Similarly, only the cooling temperature is used when System is set to Auto. The thermostat uses both heating and cooling temperatures when System is set to Heat. NOTE: Only the heating temperature is used when System is set to 84...
Owner's Manual
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...and hold Filter key for at least three seconds to display filter information. To change this setting or reset after filter expiration: 1. On expiration, thermostat displays "Filter." Filter M14577 Press Filter key to Filter reset fan run time. 23 69-1538 Example display shows current fan run time set to... to expire in five days. 2. Filter Indicator Filter Tue Wake AM Room DST FILTER EXPIRATION INDICATOR System Em Heat Fan Auto M20899 Your thermostat monitors the amount of time the fan is on the number of the time each day, it takes three days to deduct one fan ...
...and hold Filter key for at least three seconds to display filter information. To change this setting or reset after filter expiration: 1. On expiration, thermostat displays "Filter." Filter M14577 Press Filter key to Filter reset fan run time. 23 69-1538 Example display shows current fan run time set to... to expire in five days. 2. Filter Indicator Filter Tue Wake AM Room DST FILTER EXPIRATION INDICATOR System Em Heat Fan Auto M20899 Your thermostat monitors the amount of time the fan is on the number of the time each day, it takes three days to deduct one fan ...
Owner's Manual
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Press Time ∆ or Time ∇ until desired number of the thermostat indicate when a Heat Pump Fault Monitor or Equipment Monitor signal is sent to normal operation. If setting is 0 days, display always shows "0 Days; 0 Setting" when ... 0 (0 means off). When Heat Pump Fault Monitor LED indicator lights (red), see Troubleshooting section. 69-1538 24 Press Run Program key to return to the thermostat from the system. Run Program IMPORTANT To track time fan is pressed. M19467 Two LED indicators located on upper right of days display (0, 15, 30...
Press Time ∆ or Time ∇ until desired number of the thermostat indicate when a Heat Pump Fault Monitor or Equipment Monitor signal is sent to normal operation. If setting is 0 days, display always shows "0 Days; 0 Setting" when ... 0 (0 means off). When Heat Pump Fault Monitor LED indicator lights (red), see Troubleshooting section. 69-1538 24 Press Run Program key to return to the thermostat from the system. Run Program IMPORTANT To track time fan is pressed. M19467 Two LED indicators located on upper right of days display (0, 15, 30...
Owner's Manual
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...heat pump service com- and contact you can be the same or different. 25 69-1538 Heating with the system controller installed by your thermostat for four periods (Wake, Leave, Return and Sleep) and up to Em. Each day can set your Energy Utility. HEAT PUMP pany.... Temporary AM System Heat Mon Heat Fan Auto M17763 Successful Communication Indicator The thermostat periodically sends and receives messages. Ht. is detected. The small triangle right of the week. Switch thermostat to eight temperatures (four Heat and four Cool) for each day of the temperature ...
...heat pump service com- and contact you can be the same or different. 25 69-1538 Heating with the system controller installed by your thermostat for four periods (Wake, Leave, Return and Sleep) and up to Em. Each day can set your Energy Utility. HEAT PUMP pany.... Temporary AM System Heat Mon Heat Fan Auto M17763 Successful Communication Indicator The thermostat periodically sends and receives messages. Ht. is detected. The small triangle right of the week. Switch thermostat to eight temperatures (four Heat and four Cool) for each day of the temperature ...
Owner's Manual
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... or school. This is a lower temperature during heating season and a higher temperature during cooling season and it follows the RETURN period. 7-Day Preprogrammed Schedule Your thermostat is a higher temperature during heating season and a cooler temperature during cooling season and it follows the WAKE period. SLEEP-The program period you set for...
... or school. This is a lower temperature during heating season and a higher temperature during cooling season and it follows the RETURN period. 7-Day Preprogrammed Schedule Your thermostat is a higher temperature during heating season and a cooler temperature during cooling season and it follows the WAKE period. SLEEP-The program period you set for...
Owner's Manual
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Leave Return Sleep IMPORTANT Repeat steps 1 through 6 to use the copy feature. Run Program Copying a Day The thermostat must be in upper left corner). 33 69-1538 Press Run Program key to return to select cooling Wake temperature. Press increase or decrease key ... 76°. 8. Go to another day. 9. 7. Or refer to Copying a Day section to copy any programmed day to 60 70 80 90 step 2 if the thermostat is now programmed.
Leave Return Sleep IMPORTANT Repeat steps 1 through 6 to use the copy feature. Run Program Copying a Day The thermostat must be in upper left corner). 33 69-1538 Press Run Program key to return to select cooling Wake temperature. Press increase or decrease key ... 76°. 8. Go to another day. 9. 7. Or refer to Copying a Day section to copy any programmed day to 60 70 80 90 step 2 if the thermostat is now programmed.
Owner's Manual
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... Wake Heat Fan Auto M14590 Press Day key to select the day schedule to enter program mode. Copy Wake Leave Return Sleep 2. Example display shows thermostat in program mode with Monday ready to be copied to copy from. Press Wake, Leave, Return or Sleep key 3. Press Day key to select the...
... Wake Heat Fan Auto M14590 Press Day key to select the day schedule to enter program mode. Copy Wake Leave Return Sleep 2. Example display shows thermostat in program mode with Monday ready to be copied to copy from. Press Wake, Leave, Return or Sleep key 3. Press Day key to select the...