Welcome
Congratulations on your purchase of a Honeywell Wi-Fi programmable thermostat. When registered to Honeywell’s Total Connect Comfort Solutions, you can remotely monitor and control the heating and cooling system in your home or business—you can stay connected to your comfort system wherever you go Honeywell’s Total Connect Comfort is the perfect solution if you travel frequently, own a vacation home, a business or manage an Investment property, or if you are simply looking for peace of mind.
This thermostat works with common 24-volt systems such as forced air, hydronic, heat pump, oil, gas, and electric. It will not work with millivolt systems, such as a gas fireplace, or with 120/240 volt systems such as baseboard electric heat.
MERCURY NOTICE: Do not place your old thermostat in the trash if it contains mercury in a sealed tube. Contact the Thermostat Recycling Corporation at www.thermostat-recycle.org or 1-800-238-8192 for information on how and where to properly and safely dispose of your old thermostat.
NOTICE: To avoid possible compressor damage, do not run the air conditioner if the outside temperature drops below 50°F (10°C).
Need help?
Visit wifithermostat.com or call 1-855-733-5465 for assistance before returning the thermostat to the store.
With your new thermostat, you can
Your new thermostat provides
Once your Wi-Fi thermostat is installed, it will display on the home screen. Portions of this display will change depending on how you are viewing it.
The screen lights when you press any button. It stays lit for 8 seconds after you complete changes.
This thermostat is pre-set with energy-saving program settings for four time periods. Using the default settings can reduce your heating/cooling expenses if used as directed. Savings may vary depending on geographic region and usage. To change the settings, see pages 39–41.
Setting up your Wi-Fi programmable thermostat is easy. It is preprogrammed and ready to go as soon as it is installed and registered.
You might need the following tools to install this thermostat:
Important! The Wi-Fi thermostat requires a C wire to operate. The C, or common, wire brings 24 VAC power to the thermostat. Many older mechanical or battery-operated thermostats do not require a C wire. If you don’t have a C wire, try:
Wiring
For conventional heating/cooling systems (natural gas, oil or electric furnace, air conditioner), see page 14. See “Glossary” on page 64 for further definition. For a heat pump system, see page 15. See “Glossary” on page 64 for further definition.
Wiring (conventional system)
7A Wire the Wi-Fi thermostat to your conventional system.Remove metal jumper only if you have both R and RC wires
Labels don’t match? See the alternate wiring key on pages 16–17.
Note: The wiring for your application might be different from the one shown above.
Wiring (heat pump system only)
7B Wire Wi-Fi thermostat to your heat pump.
Labels don’t match?
See the alternate wiring key on pages 18–19.
Note: If the old thermostat has separate wires on AUX and E, place both wires into the E/AUX terminal. If the old thermostat has a wire on AUX with a jumper to E, place the wire on the E/AUX terminal. No jumper is required.
Note: The wiring for your application might be different from the wiring shown above.
Alternate wiring (conventional system)
Use this if your wire labels don’t match the terminal labels
Note: You must have a C wire or equivalent. See page 13.
Alternate wiring key (conventional system)
Alternate wiring (heat pump system only)
Use this if your wire labels don’t match the terminal labels.
Note: You must have a C wire or equivalent. See page 13.
Alternate wiring key (heat pump system only)
10c Switch power back ON for your heating/cooling system at the breaker box or its power switch.
Welcome
Congratulations on your purchase of a Honeywell Wi-Fi programmable thermostat. When registered to Honeywell’s Total Connect Comfort Solutions, you can remotely monitor and control the heating and cooling system in your home or business—you can stay connected to your comfort system wherever you go Honeywell’s Total Connect Comfort is the perfect solution if you travel frequently, own a vacation home, a business or manage an Investment property, or if you are simply looking for peace of mind.
This thermostat works with common 24-volt systems such as forced air, hydronic, heat pump, oil, gas, and electric. It will not work with millivolt systems, such as a gas fireplace, or with 120/240 volt systems such as baseboard electric heat.
MERCURY NOTICE: Do not place your old thermostat in the trash if it contains mercury in a sealed tube. Contact the Thermostat Recycling Corporation at www.thermostat-recycle.org or 1-800-238-8192 for information on how and where to properly and safely dispose of your old thermostat.
NOTICE: To avoid possible compressor damage, do not run the air conditioner if the outside temperature drops below 50°F (10°C).
Need help?
Visit wifithermostat.com or call 1-855-733-5465 for assistance before returning the thermostat to the store.
With your new thermostat, you can
Your new thermostat provides
Once your Wi-Fi thermostat is installed, it will display on the home screen. Portions of this display will change depending on how you are viewing it.
The screen lights when you press any button. It stays lit for 8 seconds after you complete changes.
This thermostat is pre-set with energy-saving program settings for four time periods. Using the default settings can reduce your heating/cooling expenses if used as directed. Savings may vary depending on geographic region and usage. To change the settings, see pages 39–41.
Setting up your Wi-Fi programmable thermostat is easy. It is preprogrammed and ready to go as soon as it is installed and registered.
You might need the following tools to install this thermostat:
Important! The Wi-Fi thermostat requires a C wire to operate. The C, or common, wire brings 24 VAC power to the thermostat. Many older mechanical or battery-operated thermostats do not require a C wire. If you don’t have a C wire, try:
Wiring
For conventional heating/cooling systems (natural gas, oil or electric furnace, air conditioner), see page 14. See “Glossary” on page 64 for further definition. For a heat pump system, see page 15. See “Glossary” on page 64 for further definition.
Wiring (conventional system)
7A Wire the Wi-Fi thermostat to your conventional system.Remove metal jumper only if you have both R and RC wires
Labels don’t match? See the alternate wiring key on pages 16–17.
Note: The wiring for your application might be different from the one shown above.
Wiring (heat pump system only)
7B Wire Wi-Fi thermostat to your heat pump.
Labels don’t match?
See the alternate wiring key on pages 18–19.
Note: If the old thermostat has separate wires on AUX and E, place both wires into the E/AUX terminal. If the old thermostat has a wire on AUX with a jumper to E, place the wire on the E/AUX terminal. No jumper is required.
Note: The wiring for your application might be different from the wiring shown above.
Alternate wiring (conventional system)
Use this if your wire labels don’t match the terminal labels
Note: You must have a C wire or equivalent. See page 13.
Alternate wiring key (conventional system)
Alternate wiring (heat pump system only)
Use this if your wire labels don’t match the terminal labels.
Note: You must have a C wire or equivalent. See page 13.
Alternate wiring key (heat pump system only)
To complete this process, you must have a wireless device connected to your home wireless network. Any of these device types will work:
If you get stuck... at any point in this procedure, restart the thermostat by removing the thermostat from the wallplate, wait for 10 seconds, and snap it back onto the wall plate. Go to Step 1 in this procedure, starting on page 27.
iew the Wi-Fi Enrollment video at wifithermostat.com/videos
To view and set your Wi-Fi thermostat remotely, you must have a Total ConnectComfort account. Use the following steps.
Note: If the Set Clock/Day/Schedule option is not displayed, press Done.
Note: If the display flashes Set Clock, the thermostat will follow your settings for the Monday “Wake” time period until you reset the time and day.
Setting the fan
Press Fan to select On or Auto (toggle to re-select).
Auto: The fan runs only when the heating or cooling system is on. Auto is the most commonly used setting.
On: The fan is always on.
Note: Options may vary depending on your heating/cooling equipment.
Press System to select
Adjusting program schedules
Press s or t to immediately adjust the temperature. The new temperature will be maintained only until the next programmed time period begins. To cancel the temporary setting at any time, press Cancel. The program schedule will resume.
Unregistering thermostat
If you remove the thermostat from your Total Connect Comfort website account (for example, you’re moving and leaving the thermostat behind), the thermostat will display Register at Total Connect until it is re-registered.
Replacing your router
If you disconnect the thermostat from your Wi-Fi network:
Turning Wi-Fi off
If you do not plan to control the thermostat remotely, you can remove the Wi-Fi Setup message from the screen:
Honeywell periodically issues updates to the software for this thermostat. The updates occur automatically through your Wi-Fi connection. All your settings are saved, so you will not need to make any changes after the update occurs. While the update is taking place, your thermostat screen flashes Updating and shows the percentage of the update that has occurred. When the update is complete, your home screen will appear as usual.
Note: If you are not connected to Wi-Fi, you will not get automatic updates.
Smart Response Technology
This feature allows the thermostat to “learn” how long the heating/cooling system takes to reach programmed temperature settings, so
the temperature is reached at the time you set. For example: Set the Wake time to 6:00 am and the temperature to 70°. The heat will come on before 6:00 am, so the temperature is 70° by 6:00 am.
Note: System setting function 13 controls Smart Response Technology. See “Smart Response Technology” on page 52.
Compressor protection
This feature forces the compressor to wait a few minutes before restarting, to prevent equipment damage.
Auto changeover
This feature is used in climates where both air conditioning and heating are used on the same day. When the system is set to Auto, the thermostat automatically selects heating or cooling depending on the indoor temperature Heat and cool settings must be at least 3 degrees apart. The thermostat will automatically adjust settings to maintain this 3-degree separation.
Note: System setting function 12 controls Auto changeover. See “Manual/Auto Changeover” on page 51.
Setting functions and options
You can change options for a number of system functions. Available functions depend on the type of system you have. The functions, along with available options are described on pages 50–54. This thermostat is pre-set for a single-stage heating/cooling system. Setting function 1 for a heat pump will adjust the default settings.
System setup
(See page 48 for instructions.)
Function Settings & Options | ||
1 | Select System Type If you are not sure of your heating/ cooling system type or have other questions, go to wifithermostat.com | 0 Heat/cool: Gas, oil or electric heating with central air conditioning. 1 Heat pump: Heat pump without backup or auxiliary heat. 2 Heat only: Gas, oil or hot water heat without central air conditioning. 3 Heat only with fan: Gas, oil or electric heat without central air conditioning. 4 Cool only: Central air conditioning only. 5 Heat pump: Heat pump with backup or auxiliary heating. 6 Heat/Cool Multiple stages: 2 heat stages (wires on W and W2), 2 cooling stages (wires on Y and Y2). 7 Heat/Cool Multiple stages: 2 heat stages (wires on W and W2), 1 cooling stage (wire on Y). 8 Heat/Cool Multiple stages: 1 heat stage (wires on W), 2 cooling stages (wire on Y and Y2). |
2 | Heat Pump Changeover Valve (for heat pumps only) | 0 Cooling changeover valve: Use this setting if you connected a wire labeled “O” to the O/B terminal. 1 Heating changeover valve: Use this setting if you connected a wire labeled “B” to the O/B terminal. |
Function Settings & Options | |||
3 | Heating Fan Control | 0
1 | Gas or oil heat: Use this setting if you have a gas or oil heating system (system controls fan operation). Electric heat: Use this setting if you have an electric heating system (thermostat controls fan operation). |
5 | Heating Cycle Rate | 5 9 3
1 | Gas or oil furnace: Standard gas/oil furnace (less than 90% efficiency). Electric furnace: Electric heating systems. Hot water or high-efficiency furnace: Hot water system or gas furnace (more than 90% efficiency). Gas/oil steam or gravity system: Steam or gravity heat systems. |
6 | Heating Cycle Rate Stage 2 | ||
12 | Manual/Auto Changeover | 0 1 | Manual changeover (Heat/Cool/Off). Automatic changeover (Heat/Cool/Auto/Off). Automatically turns on Heat or Cool based on room temperature. Note: System maintains minimum 3°F difference between heat and cool settings. |
See page 47 for more information. |
Function Settings & Options | ||
13 | Smart Response Technology See page 45 for more information. | 1 On 0 Off |
14 | Temperature For- mat (°F/°C) | 0 Fahrenheit 1 Celsius |
16 | Schedule Options | 1 Program schedule is on (7-day programmable). 0 Program schedule is off. Thermostat can not be programmed. |
Function Settings & Options | ||
38 | Wi-Fi On/Off | 1 Wi-Fi is on and can be connected to a Wi-Fi network. 0 Wi-Fi is off. Thermostat cannot be connected to a Wi-Fi network. If you are not connecting the thermostat to a Wi-Fi network this will remove the text Wi-Fi Setup from the messaging center. |
39 | Wi-Fi Connection | 1 Connected to Wi-Fi network. This is set automatically when the thermostat is connected to the Wi-Fi network. 0 Set to 0 to disconnect from the Wi-Fi network. |
42 | Show period and day of week | 0 Period and day are not shown on the home screen. 1 Period and day are shown on the home screen. |
85 | Restore Schedule Defaults | 0 Continue using programmed schedule. 1 Restore thermostat program to energy saving settings |
90 | Restore Original Settings | 0 No 1 Disconnects thermostat from Wi-Fi and restores original settings (erases customizations). |
Q: Will my thermostat still work if I lose my Wi-Fi connection?
A: Yes, the thermostat will operate your heating and/or cooling system with or without Wi-Fi.
Q: How do I find the password to my router?
A: Contact the manufacturer of the router or check the router documentation.
Q: Why am I not seeing my Wi-Fi setup page?
A: You are probably connected only to your router, not to your thermostat. Try connecting to the thermostat again.
Q: Why isn’t my thermostat connecting to my Wi-Fi router even though it is very close to the thermostat?
A: Verify that the password entered for the Wi-Fi router is correct.
Q: Where can I find my MAC ID and MAC CRC codes?
A: The MAC ID and MAC CRC numbers are included on a card packed with the thermostat or on the back of the thermostat (visible when removed from the wallplate). Each thermostat has a unique MAC ID and MAC CRC.
Q: My thermostat is unable to register to the Total Connect Comfort website.
A: Verify that the thermostat is correctly enrolled on your home Wi-Fi network. The message center will display Wi-Fi Setup or Register at Total Connect. You might also see the Wi-Fi Signal strength icon. Verify that the Wi-Fi router has a good internet connection. On your computer, verify that you can open the site at mytotalconnectcomfort.com If you cannot open the site, switch off the internet modem for a few seconds, then power it back on.
Q: I registered on the Total Connect Comfort website but was unable to log in using my ne account.
A: Check your email and ensure that you received an activation email. Follow the instructions to activate your account and then login to the website.
Q: I have signed up on the Total Connect Comfort website and have not received a confirmation email.
A: Check for the email in your Junk or Deleted folder.
Q: Is there a way to extend the signal strength?
A: Most standard routers can be set up to be repeaters. You can also purchase and install a Wi-Fi repeater.
Lost Signal
If the no-Wi-Fi indicator displays in place of the Wi-Fi strength indicator in the upper right-hand corner of the home screen:
Error Codes
For certain problems, the thermostat screen will display a code that identifies the trouble. Initially, error codes are displayed alone in the time area of the screen; after a few minutes, the home screen is displayed and the code alternates with the time.
Error Code Action | ||
E01 | During Wi-Fi Setup, the router lost power. | • Ensure your router has power. • If trying to connect to a hidden or manually added network, confirm the router has power and is working. |
E02 | Invalid Wi-Fi password. This code displays for 30 seconds, then the thermostat will re-enter Wi-Fi Setup mode. | • Re-enter password for your home Wi-Fi network. • Repeat setup process and confirm your password for your home Wi-Fi network. |
Error Code Action | ||
E42 | Router is not issuing an IP address to the thermostat. | • Wait for 30 minutes, connection can take several minutes. • If still no connection, remove thermostat from wallplate for 10 seconds, then reconnect it (see page 26). • Verify your router is correctly setup to automatically give IP addresses. |
E43 | No internet connection. Thermostat cannot communicate to Total Connect Comfort. | • Make sure the Internet cable is plugged in. • Reboot the router. |
E99 | General error | Remove thermostat from wallplate for 10 seconds, then reconnect it (see page 26). |
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 and cooling system is on. • Make sure furnace door is closed securely. • Make sure C wire is connected (see page 13). |
Cannot change system setting to Cool | • Check Function 1: System Type to make sure it is set to match your heating and cooling equipment (see page 50). |
Fan does not turn on when heat is required | • Check Function 3: Heating Fan Control to make sure it is set to match your heating equipment (see page 51). |
Cool On or Heat On is flashing on the screen | • Compressor protection feature is engaged. Wait 5 minutes for the system to restart safely, without damage to the compressor. |
Heat pump issues cool air in heat mode, or warm air in cool mode | • Check Function 2: Heat Pump Changeover Valve to make sure it is properly configured for your system (see page 50). |
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. • Wait 5 minutes for the system to respond. |
Heating system is running in cool mode | • Check Function 1: System Type to make sure it is set to match your heating and cooling equipment (see page 50). |
Heating and cooling equipment are running at the same time | • Check Function 1: System Type to make sure it is set to match your heating and cooling equipment (see page 50). • Grasp and pull thermostat away from wallplate. Check to make sure bare wires are not touching each other. • Check thermostat wiring is correct. |
FCC Warning (Part 15.21) (USA only)
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment FCC Interference Statement (Part 15.105 (b)) (USA only) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:
Thermostats
To comply with FCC and Industry Canada RF exposure limits for general population/ uncontrolled exposure, the antenna(s) used for these transmitters must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter.
RSS-GEN
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should
be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication. Operation is subject to the following two conditions:
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 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 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 1-855-733-5465. In Canada, write Retail Products ON15-02H, Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Toronto, Ontario M1V4Z9.
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