This thermostat is compatible with the following systems:
Do you need assistance? We are here to help.
Call 1-800-468-1502 for wiring assistance before returning the thermostat to the store.
This thermostat cannot be used on multistage systems.
Congratulations, you’re done!
If your system type is:
Heat Pump—an air conditioner that provides cooling in the summer, and also runs in reverse in the winter to provide heating. If you are not sure of your system type or if you have other questions, call us toll-free at 1-800468-1502. This thermostat works on 24-volt or 750 mV systems. It will NOT work on multi-stage conventional systems or 120/240 Volt systems.
System setup
To enter the system setup, press and hold both the ▲ and ▼ buttons until the display changes (approximately 5 seconds).
See pages 16–21 to change Function Settings.
NOTE: If you do not press any button for 60 seconds while you are in the setup menu, the thermostat automatically saves any changes made and exits the menu.
5 Gas or oil furnace: Use this setting if you have a standard gas or oil furnace that is less than 90% efficient.
6 Electric furnace: Use this setting if you have any type of electric heating system.
3 Hot water or high-efficiency furnace: Use this setting if you have a hot water system or a gas furnace of greater than 90% efficiency.
2 Gas/oil steam or gravity system: Use this setting if you have a steam or gravity heat system.
Press the ▲ or ▼ button to select your heating system and optimize its operation.
1 On
0 Off
Press the ▲ or ▼ button to select Early Start.
When finished, press ▲ and ▼ to advance to the next function.
0 Fahrenheit temperature display (°F)
1 Celsius temperature display (°C)
Press the ▲ or ▼button to select Fahrenheit or Celsius temperature display.
When finished, press ▲ and ▼ to advance to the next function.
1 On
0 Off
Compressor Protection: This feature forces the compressor to wait approximately 5 minutes before restarting, to prevent equipment damage. During the wait time, the message “Cool On” or “Heat On” is displayed on the screen.
Press the ▲ or ▼ button to select Compressor Protection settings.
When finished, press ▲ and ▼ to advance to the next function.
0 12-hour display
1 24-hour display
Press the ▲ or ▼ button to select the clock display.
When finished, press ▲ and ▼ to advance to the next function.
0 Off
1 On – Program schedule default settings are listed in the operating manual.
Press the ▲ or ▼ button to select restore program schedule to default settings.
When finished, press Run to exit and save changes.
If labels do not match letters on the thermostat, check the chart below and connect to the terminal as shown here (see notes, below).
1 If wires will be connected to both R and Rc terminals, remove the metal jumper (see page 6).
2 Do not use C or X. Wrap bare end of wire with electrical tape.
3 If you have a heat pump without auxiliary/backup heat connect O or B, not both. If you do not have a heat pump, do not connect B. Wrap bare end of wire with electrical tape.
4 Place a jumper (piece of wire) between Y and W/Aux if you are using a heat pump without auxiliary/backup heat.
Connect wires: Heat Pump
Labels don’t match? See page 24.
Wiring complete, return to Step 7. Alternate wiring (for heat pumps with auxiliary or backup heat only)
If labels do not match the letters on the thermostat, check the chart below and connect to the terminal as shown here (see notes, below).
If you have difficulty with your thermostat, please try the following suggestions. Most problems can be corrected quickly and easily.
Display is blank | • Make sure furnace door is closed securely. • Make sure fresh AAA alkaline batteries are correctly installed (see page 7). |
Heating or cooling system doesn’t respond | • Set System switch to Heat. Make sure the temperature is set higher than the Inside temperature. • Set System switch to Cool. Make sure the temperature is set lower than the Inside temperature. • Check circuit breaker and reset if necessary. • Make sure heating & cooling power switches are on. • Make sure furnace door is securely closed. • Wait 5 minutes for the system to respond. |
Temperature settings do not change | 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). |
“Cool On” or “Heat On” is flashing | • Compressor protection feature is engaged. Wait 5 minutes for the system to restart safely, without damage to the compressor. |
“Heat On” is not displayed | • Set the System switch to Heat, and set the temperature level above the current room temperature. |
“Cool On” is not displayed | • Set the System switch to Cool, and set the temperature level below the current room temperature. |
For assistance with this product, please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at 1-800-468-1502.
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 one (1) year 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,
This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it is shown by Honeywell that the defect or malfunction was caused by damage that occurred while the product was in the possession of a consumer. Honeywell’s sole responsibility shall be to repair or replace the product within the above terms. 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 ONE-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.
Automation and Control Solutions
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
http://yourhome.honeywell.com
® U.S. Registered Trademark
© 2012 Honeywell International Inc.
69-2714EF—01 M.S. 02-12
Printed in the U.S.A.
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