Need Help?
For assistance with this product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at 1-800-468-1502
This thermostat is ready to go! Your new thermostat is pre-programmed and ready to go. See page 3 to check settings.
CAUTION: EQUIPMENT DAMAGE HAZARD. To prevent possible compressor damage, do not operate the cooling system when the outdoor temperature is below 50˚F (10˚C).
Congratulations! You’ve just purchased the world’s most advanced, easy-to-use thermostat. It has been designed to give you many years of reliable service and touchscreen climate control.
Features
ONE-TOUCH TEMP CONTROL: You can override the program schedule at any time, and manually adjust the temperature (see pages 12-14)
A quick reference to the status display
Fan setting
Press FAN to select fan operation, then press DONE.
You can press FAN to override the fan settings you’ve programmed for different time periods (see page 11). If you select On or Circ, the setting you select will remain active until you press FAN again to select Auto (see page 27 for more information).
Note: If a fan schedule is programmed, “Auto” will run the fan schedule.
Press the SYSTEM button to select, then press DONE.
Save money by setting program schedules
It’s easy to program your system for maximum energy savings. You can program four time periods each day, with different settings for weekdays and weekends.
Energy-saving settings for maximum cost savings
This thermostat is pre-set with energy-saving program settings. We recommend these settings, since they can reduce your heating/cooling expenses by as much as 33%. (See next page to adjust times and temperatures of each time period.)
Press
Program schedule override (permanent)
Press HOLD to permanently adjust the temperature. This will turn off the program schedule. Whatever temperature you set will be maintained 24 hours a day until you manually change it or press CANCEL (or SCHED) to cancel “Hold” and resume the program schedule.
This feature can suspend the program schedule for extended periods of time.
Press
If you return earlier than expected, press CANCEL (or SCHED) to cancel “Hold” and resume the program schedule.
Special features
Auto Changeover: When set to Auto, the thermostat automatically selects heating or cooling depending on the indoor temperature.Adaptive Intelligent Recovery: This feature allows the thermostat to “learn” how long the furnace and air conditioner take to reach programmed temperature settings, so the temperature is reached at the time you set. For example: Set the Wake time to 6 am and the temperature to 70°. The heat will come on before 6 am, so the temperature is 70° by the time you wake at 6. The message “Recovery” is displayed when the system is activated before a scheduled time period. Compressor Protection: This feature forces the compressor to wait a few minutes before restarting, to prevent equipment damage. During the wait time, the message “Wait” is displayed on the screen.
To prevent tampering, the screen can be partially or fully locked. When partially locked, the screen displays SCREEN LOCKED for several seconds if a locked key is pressed. To unlock the screen, press any unlocked key while SCREEN LOCKED appears on the screen. When the screen is fully locked, no keys function. To lock or unlock the screen, see advanced function 0670 on page 25.
Screen cleaning
Press SCREEN to lock the screen for cleaning. The screen will remain locked for 30 seconds so you can clean the screen without changing any settings. After 30 seconds, press DONE to resume normal operation, or press SCREEN again if you require more time for cleaning.
Note: Do not spray any liquid directly on the thermostat. Spray liquids onto a cloth, then use the damp cloth to clean the screen. Use water or household glass cleaner. Avoid abrasive cleansers
Humidity level display (select models)
Select models can display the current indoor humidity level. (If an optional outdoor sensor is installed, the outdoor temperature is shown instead of the humidity level. Press MORE to display the humidity level.)
Select models allow you to decrease summer humidity. The thermostat monitors humidity. When humidity increases, the thermostat runs the air conditioner longer to reduce humidity (up to 3°F below your cooling temperature setting). Press MORE until the humidity screen is displayed, then press
Batteries are optional (to provide backup power) if your thermostat was wired to run on AC power when installed. Install fresh batteries immediately when the LO BATT warning begins flashing. The warning flashes about 30 days before batteries are depleted. Even if the warning does not appear, you should replace batteries once a year, or before leaving home for more than a month.
Press SYSTEM
Press and hold
If you have difficulty with your thermostat, please try the following suggestions. Most problems can be corrected quickly and easily.
Display is blank | • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on. • Make sure furnace door is closed securely. • If thermostat is battery powered, make sure fresh AAA alkaline batteries are correctly installed (see page 20). |
No response to key presses (or temperature will not change) | • Check to make sure the thermostat is not locked (see page 25). Make sure heating and cooling temperatures are set to acceptable ranges: • Heat: 40° to 90°F (4.5° to 32°C) • Cool: 50° to 99°F (10° to 37°C) |
Backlight is dim | • If thermostat is battery powered, make sure fresh AAA alkaline batteries are correctly installed (see page 20). • If thermostat is AC powered, a dim display is normal. The backlight remains on at a low level, and brightens when a key is pressed. |
Heating or cooling system does not respond | • Press SYSTEM to set system to Heat. Make sure the temperature is set higher than the Inside temperature. • Press SYSTEM to set system to Cool. Make sure the temperature is set lower than the Inside temperature. • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on. • Make sure furnace door is closed securely. • If “Wait” is displayed, the compressor protection timer is on. Wait 5 minutes for the system to restart safely, without damaging the compressor (see page 15). |
Display shows Fan Auto and On or Auto and Circ at the same time | • This is normal operation. Auto indicates the thermostat is following the programmed fan setting. If Auto and On is shown, the fan is scheduled for “On” during this period (see page 7). |
If an outdoor sensor is installed, the current outdoor temperature is displayed. If an indoor remote sensor is installed, the display shows the indoor temperature at the location of the sensor. (The internal sensor in the thermostat is disabled.) If more than one indoor sensor is installed, the display shows an average of temperature readings from all sensors.
Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under normal use and service, for a period of five (5) years from the date of purchase by the consumer. If at any time during the warranty period the product is determined to be defective or malfunctions, Honeywell shall repair or replace it (at Honeywell’s option).
If the product is defective,
Honeywell’s sole responsibility shall be to repair or replace the product within the terms stated above. HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING, DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF THIS PRODUCT. Some states do not allow the exclusion or limitation of incidental or consequential damages, so this limitation may not apply to you. THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON THIS PRODUCT. THE DURATION OF ANY IMPLIED WARRANTIES, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IS HEREBY LIMITED TO THE FIVE-YEAR DURATION OF THIS WARRANTY. Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you. This warranty gives you specific legal rights, and you may have other rights which vary from state to state. If you have any questions concerning this warranty, please write Honeywell Customer Relations, 1985 Douglas Dr, Golden Valley, MN 55422 or call 1-800-468-1502. In Canada, write Retail Products ON15-02H, Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Toronto, Ontario M1V4Z9.
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