TTE-715W Smart WiFi Vertical Touchscreen Thermostat Installation Guide
Everything you need to install, configure, connect, program, and operate the TTE-715W Smart WiFi touchscreen thermostat for electric floor heating systems.
The TTE-715W is a smart programmable thermostat designed for electric floor heating systems. It combines a 4.3-inch touchscreen display with WiFi connectivity, programmable temperature control, room and floor temperature sensing, energy-saving functions, and multiple temperature control modes.
This guide is specifically written for the vertical TTE-715W model and uses Fahrenheit throughout for the U.S. market.
QUICK NAVIGATION
- Product Overview
- Important Safety Information
- Technical Specifications
- Before You Begin
- Installation Location
- Thermostat Wiring
- Floor Temperature Sensor
- Powering On the Thermostat
- Understanding the Main Screen
- Setting the Time
- Operating Modes
- Manual Mode
- 7-Day Programmable Mode
- Energy-Saving Mode
- Antifreeze Mode
- Temperature Control Methods
- Floor Temperature Protection
- Temperature Calibration
- Load Selection
- WiFi Setup
- Smart Life App Setup
- Sharing the Thermostat
- Removing the Thermostat From WiFi
- Child Lock
- Backlight Settings
- Language Settings
- Factory Reset
- Troubleshooting
- Frequently Asked Questions
PRODUCT OVERVIEW
The TTE-715W is a vertical smart WiFi thermostat designed to control electric floor heating systems. The thermostat features a large 4.3-inch touchscreen display, programmable heating schedules, WiFi connectivity, energy-saving functions, temperature calibration, floor temperature monitoring, and multiple control modes.
The thermostat can be used with room temperature control, floor temperature control, or a combination of room and floor temperature control. When a floor sensor is installed, the thermostat can use the floor temperature as a control or protection parameter depending on the selected operating mode.
The TTE-715W also provides WiFi connectivity through a 2.4GHz network and is configured through the Smart Life app.
IMPORTANT SAFETY INFORMATION
The TTE-715W is a line-voltage thermostat designed for 120/240 Volt electric floor heating applications. Electrical installation involves potentially dangerous voltage and should be performed by a qualified electrician or another person familiar with line-voltage electrical systems and applicable local electrical codes.
Always turn off power at the circuit breaker before installing, removing, or servicing the thermostat.
Verify that power is completely disconnected before touching any electrical wiring.
Do not connect or disconnect wiring while the thermostat is energized.
Do not exceed the thermostat's maximum rated load of 16 amps. The manufacturer's technical documentation identifies the maximum load as 16A at 250VAC.
Never use wire color alone to identify electrical connections. Always follow the terminal markings on the thermostat and the supplied wiring diagram.
The floor temperature sensor must be connected to the designated sensor terminals and must never be connected to the line-voltage power or heating-load terminals.
TECHNICAL SPECIFICATIONS
- Model: TTE-715W
- Thermostat type: Smart WiFi programmable touchscreen thermostat
- Display: 4.3-inch touchscreen
- Display orientation: Vertical
- Voltage: 100-250VAC, 50/60Hz
- Maximum load: 16A
- Temperature setting range: 41°F-158°F
- Ambient operating temperature: 32°F-122°F
- Temperature display accuracy: ±1.8°F
- WiFi frequency: 2.4GHz
- WiFi communication: IP/TCP and MQTT
- Product dimensions: 5.20 x 3.31 x 0.55 inches
The original technical documentation specifies a voltage range of 100-250VAC at 50/60Hz, a maximum load of 16A, a temperature setting range of 5°C to 70°C, an ambient temperature range of 0°C to 50°C, and a 4.3-inch display. The Fahrenheit values above are the corresponding U.S. conversions.
BEFORE YOU BEGIN
Before installing the TTE-715W, verify that the thermostat is appropriate for the electric floor heating system being controlled.
Confirm the following before beginning installation:
- The electrical supply is compatible with the thermostat.
- The total heating load does not exceed 16 amps.
- A suitable electrical box is available at the thermostat location.
- The floor temperature sensor is available if the selected control method requires one.
- The WiFi network is available if smart app control will be used.
- The smartphone used for setup can connect to a 2.4GHz WiFi network.
The thermostat documentation specifies 2.4GHz WiFi and instructs users to turn on both 2.4GHz WiFi and Bluetooth during the network configuration process.
INSTALLATION LOCATION
Install the TTE-715W in a location where it can accurately sense the room temperature and where the touchscreen can be easily accessed.
Avoid installing the thermostat in locations exposed to unusual heat sources or conditions that could affect the room-temperature reading.
For the most accurate temperature control, the thermostat should measure the normal room environment rather than an area directly affected by another heating source, direct sunlight, or unusual drafts.
THERMOSTAT WIRING
Turn off the circuit breaker before beginning any wiring work.
The installation documentation includes a wiring diagram showing the thermostat's electrical connections and floor sensor connection. Always use the terminal labels on the actual TTE-715W and follow the supplied wiring diagram when making the connections.
The thermostat wiring consists of the line-voltage supply connection, the electric floor heating load connection, and the floor temperature sensor connection when a floor sensor is used.
The manufacturer's documentation identifies the floor sensor as a 10K NTC sensor with a 3950 sensor characteristic.
After all connections have been completed, carefully check every terminal before restoring electrical power.
Do not energize the thermostat until the wiring has been inspected and confirmed to be correct.
FLOOR TEMPERATURE SENSOR INSTALLATION
The floor sensor allows the TTE-715W to monitor the temperature of the floor and can be used for floor-temperature control or floor-temperature protection.
For new floor heating installations, position the sensor according to the requirements of the floor heating system manufacturer. The sensor should be installed in a location that provides a representative floor temperature reading and should be positioned so that it can be replaced if necessary.
The floor sensor connects to the dedicated sensor terminals on the thermostat. Do not connect the floor sensor to any line-voltage terminal.
Once the thermostat is powered, the selected control method determines how the room and floor sensor information is used.

POWERING ON THE TTE-715W
After the thermostat has been installed and all wiring has been verified, restore power at the circuit breaker.
The touchscreen should illuminate and display the thermostat's main interface.
The TTE-715W uses a touchscreen power control. In the powered-on state, the power control can be used to shut down the thermostat. When the thermostat is off, touching the screen wakes the display and touching the screen again turns the thermostat on.
Before configuring the thermostat, verify that the touchscreen responds normally and that the displayed room temperature appears reasonable.
UNDERSTANDING THE MAIN SCREEN
The vertical touchscreen displays the thermostat's most important operating information directly on the main interface.
Depending on the operating condition and selected settings, the display can show:
- Current room temperature
- Target temperature
- Time
- Heating status
- Programming mode
- Manual mode
- Energy-saving mode
- Antifreeze mode
- WiFi status
- Key lock status
- Menu control
- Power control
The manufacturer's documentation identifies these icons and their functions on the vertical-screen interface.
SETTING THE TIME AND DATE
Correct time and date settings are important when using the programmable schedule.
Open the time settings from the thermostat's function interface. The thermostat allows the year, month, day, hour, minute, and second to be adjusted using the touchscreen.
After adjusting each value, save the settings before returning to the main interface.
OPERATING MODES
The TTE-715W provides several heating modes so the thermostat can be operated according to the homeowner's needs.
The main operating options include:
- Programming mode
- Manual mode
- Energy-saving mode
- Antifreeze mode
The menu interface provides access to manual, energy-saving, and programming modes.
MANUAL MODE
Manual mode allows the user to select a target temperature without following a programmed heating schedule.
From the main interface, enter manual mode and adjust the target temperature using the touchscreen controls.
The thermostat will maintain the selected temperature until another operating mode or target temperature is selected.
Manual mode is useful when the homeowner wants temporary temperature control without changing the regular programmed schedule.
PROGRAMMABLE MODE
The TTE-715W includes programmable heating control that allows different temperatures to be scheduled for different periods of the day.
Open the programming settings from the function interface. The thermostat allows the user to select working days and rest days and adjust the time and temperature for each programmed period.
Programming can be used to reduce heating during periods when the home is unoccupied or when a lower temperature is preferred, then increase the temperature again when heating is needed.
ENERGY-SAVING MODE
Energy-saving mode allows the thermostat to maintain a lower target temperature to reduce heating demand.
The energy-saving temperature can be adjusted through the thermostat's settings. The documented adjustment range is 50°F-68°F, with a factory default equivalent of approximately 61°F.
Energy-saving mode can be useful during periods when the room does not need to be maintained at the normal comfort temperature.
ANTIFREEZE MODE
Antifreeze mode is designed to help prevent the indoor temperature from becoming excessively cold when the thermostat is not being used for normal heating.
When antifreeze mode is enabled, the thermostat can automatically activate heating when the indoor temperature falls below the selected antifreeze setting and stop heating when the temperature rises above the setting.
This mode can be useful for maintaining a minimum temperature when the property is temporarily unoccupied.
TEMPERATURE CONTROL METHODS
The TTE-715W provides three temperature-control methods:
- Dual temperature control: Room temperature is the primary control while floor temperature is used as a secondary control or protection parameter.
- Room temperature control: The thermostat uses the built-in room temperature sensor as the primary temperature measurement.
- Floor temperature control: The thermostat uses the floor sensor as the temperature-control measurement.
These control methods can be selected from the thermostat's control mode settings.
The appropriate control method depends on the type of floor heating system and how the thermostat is intended to control the space.
FLOOR TEMPERATURE LIMIT
When a floor sensor is installed, the TTE-715W provides a floor temperature limit setting.
The documented floor-temperature limit can be adjusted from approximately 68°F to 158°F. The factory default upper limit is approximately 140°F.
This setting can help prevent the floor temperature from exceeding the selected limit when the thermostat is configured to monitor floor temperature.
Always follow the flooring manufacturer's and electric floor heating manufacturer's recommended maximum floor temperature for the specific floor covering and heating system.
TEMPERATURE CALIBRATION
If the displayed room temperature does not accurately match a trusted thermometer, the TTE-715W provides a temperature calibration function.
The documented calibration range is approximately -10.8°F to +10.8°F, with a default calibration value of 0.
Temperature calibration should only be adjusted when there is a consistent difference between the thermostat reading and a reliable reference temperature.
Avoid changing the calibration setting simply because the thermostat temperature changes during normal heating operation.
ROOM TEMPERATURE LIMITS
The TTE-715W provides adjustable upper and lower room-temperature limits.
The documented upper room-temperature limit can be adjusted from approximately 68°F to 158°F, while the lower limit can be adjusted from approximately 41°F to 68°F. The factory defaults correspond to approximately 95°F for the upper limit and 50°F for the lower limit.
These limits can be used to restrict the available temperature-setting range.
LOAD SELECTION
The TTE-715W provides selectable load settings to match different heating loads.
The documented options are:
- Low load: Up to approximately 1.5 kW
- Medium load: Approximately 1.5 kW to 2.6 kW
- High load: Approximately 2.6 kW to 3.5 kW
These settings are available through the load selection menu.
The load setting should correspond to the actual heating system and should not be used to exceed the thermostat's maximum rated electrical load.
WIFI AND SMART HOME CONTROL
The TTE-715W includes 2.4GHz WiFi connectivity and can be configured through the Smart Life app.
Before beginning WiFi setup:
- Make sure the thermostat is powered on.
- Make sure your smartphone has WiFi enabled.
- Connect your smartphone to a compatible 2.4GHz WiFi network.
- Turn on Bluetooth on your smartphone.
- Have your WiFi network password available.
The manufacturer's documentation specifically instructs the user to turn on 2.4GHz WiFi and Bluetooth before beginning network configuration.
PUTTING THE TTE-715W INTO WIFI CONFIGURATION MODE
From the main thermostat interface, enter the WiFi configuration settings.
Follow the WiFi setup command shown on the thermostat and press and hold the designated WiFi/network control as instructed.
When the WiFi icon begins flashing, the thermostat has entered network initialization/configuration mode.
After the thermostat successfully connects to the network, the WiFi icon stops flashing according to the manufacturer's instructions.
SMART LIFE APP SETUP
The TTE-715W uses the Smart Life app for WiFi configuration and mobile control.
Download and install the Smart Life app on your compatible smartphone.
Open the app and follow the device-add procedure. The manufacturer's setup instructions show the basic process of adding the device, entering the WiFi account and password, and completing the connection.
Once the thermostat has been successfully added to the app, verify that the thermostat appears as an available device and that the app can communicate with it.
Because app interfaces can change over time, the exact appearance and wording of the Smart Life app may differ from the screenshots included with the original thermostat documentation.
SHARING THE THERMOSTAT
The Smart Life app allows the thermostat to be shared with another user.
The manufacturer's instructions show a device-sharing process that allows another account to receive access to the thermostat through the app.
Use the sharing function when multiple household members need access to the thermostat from their own Smart Life accounts.
REMOVING THE THERMOSTAT FROM WIFI
If the thermostat needs to be connected to a different WiFi network, the existing network configuration can be cleared.
Enter the WiFi configuration settings and press and hold the designated network control. The WiFi icon will begin flashing when the thermostat enters network configuration/reset status.
After the existing network information has been cleared, the thermostat can be configured again through the Smart Life app.
CHILD LOCK
The TTE-715W includes a child-lock function to prevent unintended touchscreen operation.
When child lock is enabled, the interface automatically locks after approximately 20 seconds without operation.
The manufacturer's documentation states that the power control can be pressed and held for approximately 5 seconds to temporarily unlock the thermostat. The interface remains unlocked for approximately 20 seconds if no additional operation is performed, after which it locks again.
BACKLIGHT SETTINGS
The thermostat provides adjustable backlight settings.
Open the backlight settings from the function interface and adjust the display brightness as desired.
The backlight setting can be useful for adjusting the display to suit different room lighting conditions.
LANGUAGE SETTINGS
The TTE-715W provides multiple language options through the language settings menu.
The manufacturer's documentation identifies English, Chinese, Russian, German, French, and Spanish as available language selections.
Select the desired language and save the setting.
FACTORY RESET
If the thermostat needs to be returned to its original configuration, the factory reset function can be accessed through the settings menu.
Open the factory reset option and follow the touchscreen instructions to confirm the reset.
Important: A factory reset can remove customized thermostat settings and may require WiFi configuration and programming to be completed again.
TROUBLESHOOTING
The thermostat does not turn on.
Verify that the circuit breaker supplying the thermostat is on. If the breaker is on but the thermostat remains inactive, turn the breaker off and have the wiring checked by a qualified electrician.
The thermostat displays an incorrect room temperature.
Verify that the thermostat is installed in an appropriate location and is not being affected by a nearby heat source or unusual environmental condition. If the temperature difference is consistent, use the temperature calibration function.
The floor temperature does not appear correctly.
Verify that the floor sensor is connected to the correct sensor terminals and that the selected control mode is appropriate for a floor sensor installation.
The thermostat will not connect to WiFi.
Confirm that the smartphone is connected to a 2.4GHz WiFi network and that Bluetooth is enabled during setup. Place the thermostat within a reliable WiFi range and restart the network configuration process if necessary. The manufacturer's instructions specify 2.4GHz WiFi and Bluetooth for the configuration process.
The WiFi icon keeps flashing.
A flashing WiFi icon indicates that the thermostat is in network initialization/configuration status. Complete the Smart Life setup process and verify that the WiFi connection is successful.
The thermostat does not follow the programmed schedule.
Verify the current date and time, confirm that programming mode is selected, and review the programmed periods and temperatures.
The touchscreen does not respond.
Check whether child lock is enabled. If the screen is locked, use the documented temporary unlock procedure before attempting to change settings.
FREQUENTLY ASKED QUESTIONS
Can the TTE-715W control electric floor heating?
Yes. The thermostat is designed for electric floor heating systems and provides multiple temperature-control methods, including room, floor, and combined temperature control.
Does the TTE-715W support 120 and 240 Volt systems?
The TTE-715W is designed for line-voltage applications within its documented 100-250VAC, 50/60Hz input range. Always verify the actual system voltage and installation requirements before installation.
What is the maximum load?
The maximum rated load is 16 amps.
Does the thermostat require a floor sensor?
The thermostat supports floor sensor operation, but the required sensor configuration depends on how the floor heating system is being controlled. The thermostat supports room-only, floor-only, and dual temperature control.
Can I control the thermostat from my phone?
Yes. The TTE-715W supports 2.4GHz WiFi and uses the Smart Life app for network configuration and mobile control.
Can I program different temperatures during the day?
Yes. The programmable function allows different times and temperatures to be set for scheduled heating periods.
Can I use the thermostat without WiFi?
Yes. WiFi is used for smart app connectivity. The thermostat also provides local touchscreen controls, manual operation, programming, energy-saving mode, and other functions directly from the thermostat.
Does the thermostat have a child lock?
Yes. The child-lock function can lock the touchscreen to prevent unintended changes.
Can the floor temperature be limited?
Yes. When floor-temperature monitoring is used, the thermostat provides an adjustable floor temperature limit.
FINAL INSTALLATION CHECK
Before considering the installation complete, verify the following:
- The thermostat is securely mounted.
- All electrical connections have been checked.
- The heating load does not exceed the 16A thermostat rating.
- The floor sensor is connected correctly when used.
- The thermostat displays the room temperature correctly.
- The correct temperature control method has been selected.
- The time and date are correct.
- The desired heating schedule has been programmed.
- WiFi has been configured if smart control is required.
- The Smart Life app can communicate with the thermostat.
- The desired temperature limits have been configured.
- Child lock and other optional settings have been configured as desired.
After completing the installation and configuration, test the heating system to confirm that the thermostat responds correctly to changes in the target temperature and that the heating system turns on and off as expected.
IMPORTANT INSTALLATION NOTE
The TTE-715W is a line-voltage electrical device. Always follow applicable local electrical codes and the requirements of the electric floor heating system manufacturer. When in doubt about electrical connections or circuit capacity, consult a qualified electrician.
The technical information in this guide is based on the documentation supplied for the thermostat and is intended to help with installation, configuration, and operation. Always verify the terminal markings and wiring against the actual thermostat before energizing the system.
KEY FEATURES AND FUNCTIONS
The TTE-715W combines a vertical touchscreen interface with programmable temperature control and WiFi connectivity, giving you convenient control directly from the thermostat or through the Smart Life app.
- 4.3-inch vertical color touchscreen display
- Smart WiFi connectivity through a 2.4GHz network
- Smart Life app control
- Programmable heating schedule
- Manual temperature control
- Room temperature control
- Floor temperature control
- Dual room and floor temperature control
- Adjustable floor temperature limit
- Adjustable room temperature limits
- Temperature calibration
- Energy-saving mode
- Antifreeze function
- Child lock
- Adjustable display backlight
- Multiple language settings
- Factory reset function
TOUCHSCREEN DISPLAY
The TTE-715W uses a 4.3-inch vertical color touchscreen that provides access to the thermostat's heating controls, temperature settings, operating modes, programming, and system settings.
The main screen displays the current operating information and provides direct access to the thermostat's primary controls. Depending on the current settings and operating mode, the display can show the current room temperature, target temperature, time, heating status, operating mode, and WiFi status.

Touch the appropriate area of the screen to adjust the temperature or access additional thermostat functions.
ROOM, FLOOR, AND DUAL TEMPERATURE CONTROL
The TTE-715W supports three temperature control options, allowing the thermostat to be configured according to the requirements of the electric floor heating system.
Room Temperature Control
Room temperature control uses the thermostat's built-in temperature sensor to monitor the room and maintain the selected target temperature.
Floor Temperature Control
When a compatible floor sensor is installed, the thermostat can use the floor temperature sensor for heating control.
Dual Temperature Control
Dual temperature control allows the thermostat to monitor room temperature while also monitoring the floor temperature. This can be useful when both room comfort and floor temperature protection are important.
The appropriate control mode depends on the heating system, floor covering, and installation requirements.
FLOOR SENSOR
The TTE-715W supports a 10K NTC floor temperature sensor with a 3950 characteristic.
The floor sensor is connected to the dedicated sensor terminals on the thermostat. When the sensor is being used, make sure it is properly installed and connected before configuring the thermostat for floor temperature control.
The floor sensor allows the thermostat to monitor floor temperature and provides access to the adjustable floor temperature limit.
FLOOR TEMPERATURE LIMIT
When a floor sensor is installed, the TTE-715W provides an adjustable maximum floor temperature setting.
The floor temperature limit can be adjusted from approximately 68°F to 158°F. The factory setting is approximately 140°F.
The appropriate maximum floor temperature should always be determined according to the requirements of the electric floor heating system and the finished floor material. Always follow the flooring and heating system manufacturer's recommendations.
ROOM TEMPERATURE LIMITS
The thermostat also provides adjustable minimum and maximum room temperature limits.
These settings can be used to restrict the temperature range available through normal thermostat operation.
The lower room temperature limit can be adjusted from approximately 41°F to 68°F, while the upper room temperature limit can be adjusted from approximately 68°F to 158°F.
The factory settings are approximately 50°F for the lower limit and 95°F for the upper limit.
TEMPERATURE CALIBRATION
If the temperature displayed by the thermostat does not match a reliable room thermometer, the TTE-715W includes a temperature calibration function.
The calibration setting allows the displayed temperature to be adjusted when there is a consistent difference between the thermostat reading and a trusted reference thermometer.
The calibration range is approximately -10.8°F to +10.8°F, with a factory setting of 0.
Temperature calibration should only be changed when necessary. An incorrect calibration setting can cause the thermostat to display a temperature that does not accurately represent the actual room temperature.
PROGRAMMABLE HEATING
The TTE-715W includes programmable temperature control that allows heating periods to be scheduled throughout the day.
Different temperature settings can be assigned to different programmed periods, allowing the thermostat to automatically adjust the heating according to your daily routine.
The programmable function includes settings for working days and rest days, making it possible to create a heating schedule that matches the way the room is normally used.
Before using the programmed schedule, make sure the thermostat's current time and date are set correctly.
MANUAL TEMPERATURE CONTROL
Manual operation allows you to adjust the target temperature directly from the touchscreen without changing the programmed schedule.
Use the temperature controls on the main screen to increase or decrease the desired temperature.
Manual operation is useful when you want to temporarily change the temperature without creating a new programmed heating period.
ENERGY-SAVING MODE
The TTE-715W includes an energy-saving function designed for periods when a lower temperature is preferred.
The energy-saving temperature can be adjusted through the thermostat settings. The available setting range is approximately 50°F to 68°F.
This function can be useful during periods when the room is not occupied or when maintaining a lower temperature is preferred instead of normal comfort heating.
ANTIFREEZE MODE
Antifreeze mode is designed to help maintain a minimum temperature when normal heating operation is not being used.
When this function is enabled, the thermostat can activate heating when the room temperature falls below the configured antifreeze temperature.
This function can be useful for properties or rooms that are temporarily unoccupied and need basic temperature protection.
BEFORE YOU BEGIN THE INSTALLATION
Before installing the TTE-715W, make sure the thermostat and the electric floor heating system are suitable for one another and that the electrical load does not exceed the thermostat's rated capacity.
The TTE-715W is rated for 100-250VAC, 50/60Hz and a maximum load of 16A.
Before starting the installation, verify the following:
- The electrical circuit supplying the thermostat is identified.
- The circuit breaker is turned off before any wiring is handled.
- The electric floor heating system is compatible with the thermostat.
- The total heating load does not exceed 16A.
- A compatible floor temperature sensor is available if floor or dual temperature control will be used.
- The electrical box is properly installed and ready for the thermostat.
- The WiFi network is available if smart control will be used.
IMPORTANT ELECTRICAL SAFETY
The TTE-715W is a line-voltage thermostat. Installation involves electrical connections and should be performed by a qualified electrician or another person familiar with line-voltage electrical installations and applicable local electrical codes.
Turn off power at the circuit breaker before removing an existing thermostat or making any electrical connections.
Do not work on the thermostat while power is connected. Verify that the circuit is de-energized before handling the wiring.
Never exceed the thermostat's 16A maximum load rating.
Do not rely on wire colors alone when replacing an existing thermostat. Always identify the electrical conductors and connect them according to the terminal markings and wiring diagram provided for the TTE-715W.
INSTALLATION LOCATION
Select a location where the thermostat can accurately sense the room temperature and where the touchscreen can be easily seen and operated.
Avoid installing the thermostat in locations exposed to unusual heat, direct sunlight, strong drafts, or other conditions that could affect the built-in room temperature sensor.
The thermostat should be installed in its vertical orientation with sufficient clearance for the touchscreen to be operated comfortably.
REMOVING AN EXISTING THERMOSTAT
If the TTE-715W is replacing an existing thermostat, turn off the appropriate circuit breaker before removing the old thermostat.
After turning off the breaker, verify that the electrical power has been disconnected before touching any wires.
Carefully disconnect the existing thermostat and identify the conductors according to the electrical installation and the terminal markings of the new thermostat.
Do not assume that the wiring arrangement of the existing thermostat is identical to the TTE-715W.
THERMOSTAT WIRING
The TTE-715W wiring connections must be made according to the terminal markings and wiring diagram supplied with the thermostat.

The wiring includes the line-voltage supply, heating-load connections, grounding connection, and the dedicated floor sensor connection when a floor sensor is used.
Make sure each conductor is securely connected to the correct terminal and that no loose wire strands are exposed outside the terminal connection.
The thermostat's line-voltage connections must never be confused with the low-voltage floor sensor connections.
FLOOR SENSOR WIRING
If a floor sensor is being installed, route the sensor cable to the thermostat location and connect it to the dedicated sensor terminals.
The supported floor sensor is a 10K NTC sensor with a 3950 characteristic.
The floor sensor connection is used for floor temperature monitoring and for operating modes that require floor temperature information.
Do not connect the floor sensor to the line-voltage terminals or heating-load terminals.
After connecting the sensor, verify that the connection is secure before installing the thermostat.
CHECK THE WIRING BEFORE RESTORING POWER
Before restoring power, carefully inspect the complete installation.
- Verify that the circuit breaker is still off.
- Check each electrical connection against the thermostat wiring diagram.
- Confirm that the heating load is within the 16A maximum rating.
- Verify that the floor sensor is connected to the correct terminals if used.
- Make sure all terminals are secure.
- Make sure there are no loose conductors or exposed wire strands that could create a short circuit.
- Make sure the thermostat is properly positioned for vertical installation.
Do not restore power until the wiring has been completely checked.
MOUNTING THE TTE-715W
Once the wiring has been completed and checked, position the TTE-715W at the electrical box in the vertical orientation.
The thermostat is designed for vertical installation and has a 4.3-inch color touchscreen.
Secure the thermostat using the supplied mounting hardware and follow the mounting instructions provided with the thermostat.
Take care not to pinch, damage, or place excessive pressure on the electrical wiring when positioning the thermostat.
Make sure the thermostat sits securely and evenly against the wall before completing the installation.
RESTORING POWER
After the thermostat has been securely installed and all wiring has been verified, restore power at the circuit breaker.
The TTE-715W should power on and the touchscreen should become active.
Allow the thermostat to complete its startup before changing any settings.
Check the display and verify that the touchscreen responds correctly.
If the thermostat does not power on or anything appears abnormal, turn the circuit breaker off and have the electrical installation checked before continuing.
INITIAL TEMPERATURE CHECK
After the thermostat powers on, check the displayed room temperature.
The displayed temperature should be reasonably close to the actual room temperature under normal conditions.
If a floor sensor is installed, verify that the thermostat recognizes the sensor before selecting a floor-based control mode.
Do not change the temperature calibration simply because the thermostat and another thermometer differ by a small amount. Allow the thermostat and reference thermometer to stabilize in the same location before determining whether calibration is necessary.
INITIAL THERMOSTAT SETUP
After the TTE-715W has been installed and powered on, the thermostat can be configured for the electric floor heating system.
Begin by checking the basic thermostat settings before programming the heating schedule or connecting WiFi.

SETTING THE DATE AND TIME
The correct date and time are important when using the programmable heating schedule.
Open the time and date settings from the thermostat menu and set the current year, month, day, hour, minute, and second.
After entering the correct information, save the settings and return to the main screen.
Verify that the displayed time is correct before continuing with the programmable schedule.

SELECTING THE TEMPERATURE CONTROL MODE
The TTE-715W provides three temperature control options. Select the mode that matches the requirements of the electric floor heating system.
Room Temperature Control
Room temperature control uses the thermostat's built-in room temperature sensor to control the heating system based on the selected room temperature.
Floor Temperature Control
Floor temperature control uses the connected floor sensor to monitor and control the floor temperature.
Dual Temperature Control
Dual temperature control uses the room temperature for normal temperature control while also monitoring the floor temperature.
This mode can be useful when maintaining comfortable room temperature while also keeping the floor temperature within the selected limit.
SETTING THE FLOOR TEMPERATURE LIMIT
If a floor sensor is installed, the maximum floor temperature can be configured through the thermostat settings.
The adjustable floor temperature limit is approximately 68°F to 158°F, with a factory setting of approximately 140°F.
Set the maximum floor temperature according to the requirements of the electric floor heating system and the finished floor covering.
Always follow the temperature limitations specified by the flooring and heating system manufacturers.
SETTING THE ROOM TEMPERATURE LIMITS
The TTE-715W allows the minimum and maximum room temperature limits to be adjusted.
The lower temperature limit can be adjusted from approximately 41°F to 68°F.
The upper temperature limit can be adjusted from approximately 68°F to 158°F.
The factory settings are approximately 50°F for the lower limit and 95°F for the upper limit.
These limits can be useful for preventing the thermostat from being adjusted outside the desired operating range.
TEMPERATURE CALIBRATION
The TTE-715W includes a temperature calibration setting for situations where the displayed temperature does not accurately match a reliable reference thermometer.
The calibration adjustment is approximately -10.8°F to +10.8°F, with a factory setting of 0.
Before changing the calibration, allow the thermostat and reference thermometer to stabilize in the same area. If there is a consistent difference, adjust the calibration accordingly.
SELECTING THE LOAD SETTING
The TTE-715W provides load selection settings that can be configured according to the connected heating load.
- Low: Up to approximately 1.5 kW
- Medium: Approximately 1.5 kW to 2.6 kW
- High: Approximately 2.6 kW to 3.5 kW
Select the setting appropriate for the connected heating system.
The load setting does not increase the thermostat's maximum electrical rating. The total connected load must remain within the thermostat's 16A maximum rating.
SETTING THE TEMPERATURE
From the main screen, use the temperature controls to adjust the desired heating temperature.
The thermostat will compare the selected target temperature with the temperature measured by the active temperature control mode and operate the heating system accordingly.
When a floor sensor is being used, the thermostat can also monitor the floor temperature according to the selected control mode and floor temperature limit.
UNDERSTANDING THE HEATING STATUS
When the thermostat calls for heat, the display indicates the heating status.
If the selected temperature has already been reached, the thermostat may stop calling for heat until the temperature falls below the required level.
Electric radiant floor heating can take time to respond. The time required for the floor to warm depends on the heating system, floor construction, insulation, floor covering, and room conditions.
7-DAY PROGRAMMABLE SCHEDULE
After the basic thermostat settings have been configured, the TTE-715W can be programmed to automatically adjust the heating temperature throughout the day.
The programmable function allows different heating periods to be configured for working days and rest days.
Before creating the schedule, make sure the thermostat's date and time are correct.
Open the programmable settings and configure the desired heating periods. For each period, select the appropriate time and target temperature.
A practical schedule can use higher temperatures during normal room occupancy and lower temperatures during sleeping or unoccupied periods.
After saving the schedule, verify that the thermostat is operating in programmable mode so the schedule can control the heating system.
WIFI CONNECTION AND SMART LIFE APP SETUP
The TTE-715W can connect to a 2.4GHz WiFi network and be controlled through the Smart Life app. WiFi setup should be completed after the thermostat has been installed, powered on, and configured for normal operation.
BEFORE CONNECTING WIFI
- Make sure the thermostat is powered on.
- Make sure your smartphone is connected to a 2.4GHz WiFi network.
- Turn on Bluetooth on your smartphone.
- Have your WiFi network name and password available.
- Make sure your smartphone has internet access.
The WiFi setup requires a 2.4GHz network. If your router broadcasts both 2.4GHz and 5GHz networks, select the 2.4GHz network during setup.
CONNECTING THE THERMOSTAT TO WIFI
Open the WiFi settings on the TTE-715W and place the thermostat into WiFi configuration mode according to the touchscreen instructions.
When the WiFi indicator begins flashing, the thermostat is ready to be connected to the wireless network.
Open the Smart Life app on your smartphone and select the option to add a new device.

Follow the instructions displayed in the app and enter the WiFi network information when requested.
Allow the app to complete the connection process. Do not turn off the thermostat or leave the WiFi setup screen while the connection is being established.
After the connection is complete, verify that the TTE-715W appears in the Smart Life app and that the thermostat responds to commands from the app.

SMART LIFE APP CONTROL
Once the TTE-715W has been successfully connected to the Smart Life app, you can use your smartphone to access the thermostat's available controls.
Depending on the app version and thermostat configuration, available controls can include temperature adjustment, operating mode, scheduling, and other thermostat functions.
The Smart Life app may be updated over time, so the appearance of the app screens and menu locations may change.
SHARING THE THERMOSTAT
The Smart Life app allows the thermostat to be shared with other users.
This can be useful when more than one person in the household needs access to the thermostat from their own smartphone.
Use the device-sharing function within the Smart Life app and follow the current instructions shown in the application.

RESETTING THE WIFI CONNECTION
If the thermostat needs to be connected to a different wireless network, the existing WiFi configuration can be cleared and the setup process can be started again.
Open the WiFi settings on the TTE-715W and use the WiFi reset function according to the touchscreen instructions.
When the WiFi indicator begins flashing, the thermostat is ready for a new WiFi connection.
Return to the Smart Life app and repeat the device setup process using the desired 2.4GHz WiFi network.
IF WIFI SETUP DOES NOT WORK
If the thermostat does not connect successfully, first verify that the smartphone is connected to a 2.4GHz WiFi network and that Bluetooth is enabled.
Make sure the WiFi password has been entered correctly and that the thermostat is within a reliable range of the wireless router.
If necessary, reset the thermostat's WiFi connection and start the setup process again.
If the thermostat was previously connected to another WiFi network, resetting the WiFi configuration may be necessary before connecting it to a new network.
CHILD LOCK
The TTE-715W includes a child-lock function to help prevent accidental changes to the thermostat settings.
When child lock is enabled, the thermostat can automatically lock the touchscreen after a period without operation.
To temporarily unlock the thermostat, use the unlock procedure provided in the thermostat settings and user instructions.
After the thermostat is unlocked, the available touchscreen controls can be accessed normally until the lock is activated again.
DISPLAY BACKLIGHT
The TTE-715W provides adjustable backlight settings that allow the display behavior to be configured according to your preference.
Open the backlight setting from the thermostat's function menu and select the desired setting.
LANGUAGE SETTINGS
The thermostat includes multiple language options for the touchscreen interface.
Select the language setting from the function menu and choose the desired language.
The available language options include English, Chinese, Russian, German, French, and Spanish.
FACTORY RESET
If the thermostat needs to be returned to its original settings, the factory reset function can be accessed from the settings menu.
A factory reset removes customized settings and may require the thermostat to be configured again, including the WiFi connection and programmable schedule.
Use the factory reset function only when necessary and confirm the reset before proceeding.
TROUBLESHOOTING THE TTE-715W
If the TTE-715W is not operating as expected, check the thermostat settings and electrical installation before making changes to advanced settings.
THE THERMOSTAT DOES NOT POWER ON
Make sure the circuit breaker supplying the thermostat is turned on and that power is available at the thermostat.
If the thermostat does not turn on after power has been restored, turn the circuit breaker off and have the electrical connections checked by a qualified electrician.
THE TOUCHSCREEN DOES NOT RESPOND
Check whether the child-lock function is enabled. If the screen is locked, use the thermostat's unlock procedure to regain access to the controls.
If the touchscreen remains unresponsive, turn off the circuit breaker and have the thermostat installation inspected before continuing to operate the system.
THE ROOM TEMPERATURE DOES NOT LOOK CORRECT
Check the thermostat location and make sure it is not exposed to direct sunlight, unusual heat, drafts, or another condition that could affect the temperature sensor.
Allow the thermostat and a reliable reference thermometer to stabilize before comparing their readings.
If there is a consistent difference, use the temperature calibration setting to make a small adjustment.
THE FLOOR SENSOR IS NOT READING CORRECTLY
If a floor sensor is installed, check that the sensor is connected to the dedicated sensor terminals and that the connection is secure.
Verify that the correct temperature control mode has been selected.
The TTE-715W is designed to use a 10K NTC floor sensor with a 3950 characteristic.
THE FLOOR HEATING IS NOT TURNING ON
Check the selected target temperature and confirm that the thermostat is calling for heat.
Verify that the correct temperature control mode has been selected and that the programmed schedule is not overriding the desired temperature.
If a floor temperature limit has been configured, verify that the floor temperature has not reached the selected maximum.
If the thermostat indicates that heating should be active but the heating system does not operate, the electrical circuit and heating system should be inspected by a qualified professional.
THE THERMOSTAT IS NOT FOLLOWING THE PROGRAMMED SCHEDULE
First check the current date and time. An incorrect time or date can cause the programmed heating periods to operate at the wrong time.
Confirm that programmable mode is selected and review the programmed periods for working days and rest days.
Make sure the desired temperature has been saved for each programmed period.
THE THERMOSTAT WILL NOT CONNECT TO WIFI
Confirm that your smartphone is connected to a 2.4GHz WiFi network and that Bluetooth is enabled.
Make sure the thermostat is in WiFi configuration mode and that the WiFi indicator is flashing before starting the setup process.
Verify the WiFi password and make sure the thermostat is within a suitable range of the wireless router.
If the thermostat was previously connected to another network, reset the WiFi connection and repeat the Smart Life setup process.
THE SMART LIFE APP CANNOT FIND THE THERMOSTAT
Make sure the thermostat is powered on and in WiFi configuration mode.
Confirm that Bluetooth is enabled on the smartphone and that the smartphone is connected to a 2.4GHz WiFi network.
If necessary, close and reopen the Smart Life app and restart the device-adding process.
If the thermostat was previously configured, reset the WiFi connection before attempting to add it again.
THE WIFI CONNECTION NEEDS TO BE CHANGED
If the thermostat is being moved to a different home or connected to a different wireless network, reset the existing WiFi configuration first.
Once the WiFi indicator begins flashing, complete the Smart Life setup using the new 2.4GHz WiFi network.
THE TEMPERATURE CANNOT BE SET AS EXPECTED
Check the minimum and maximum room temperature limits. These settings can restrict the temperature range available for normal operation.
If floor temperature control is being used, also check the configured floor temperature limit.
THE THERMOSTAT IS LOCKED
If child lock is enabled, the touchscreen may prevent normal adjustments.
Use the thermostat's unlock procedure to temporarily access the controls. After the thermostat remains inactive for the specified period, the child lock can activate again.
WHEN TO CONTACT A QUALIFIED ELECTRICIAN
Stop troubleshooting and have the installation inspected by a qualified electrician if there is evidence of damaged wiring, overheating, unusual electrical odor, repeated circuit-breaker trips, incorrect voltage, or any other electrical condition that could create a safety hazard.
Do not attempt to repair line-voltage wiring or modify the thermostat's electrical connections unless you are qualified to perform the work.
FINAL INSTALLATION AND SETUP CHECKLIST
Before considering the TTE-715W installation complete, go through the following checklist to make sure the thermostat, floor sensor, heating system, and smart functions have been properly configured.
- The circuit breaker and electrical supply have been verified.
- The thermostat is installed securely in the vertical position.
- All line-voltage wiring has been connected to the correct terminals.
- The heating load does not exceed the 16A maximum rating.
- The floor sensor is connected correctly if it is being used.
- The thermostat powers on normally.
- The touchscreen responds correctly.
- The room temperature reading appears reasonable.
- The correct temperature control mode has been selected.
- The desired room temperature limits have been configured.
- The floor temperature limit has been configured when a floor sensor is used.
- The temperature calibration has been checked if necessary.
- The appropriate load setting has been selected.
- The date and time are correct.
- The desired programmable schedule has been entered.
- The thermostat is operating in the desired heating mode.
- WiFi has been connected if smart control is being used.
- The thermostat appears correctly in the Smart Life app.
- The thermostat responds to commands from the Smart Life app.
- The child-lock setting has been configured as desired.
- The display backlight has been configured as desired.
- The heating system responds correctly when the thermostat calls for heat.
TESTING THE HEATING SYSTEM
After completing the thermostat setup, perform a final heating test.
Set the desired temperature higher than the current room temperature and verify that the thermostat calls for heat.
Allow the heating system enough time to respond. Electric radiant floor heating does not always produce an immediate noticeable temperature change because the floor, heating element, floor covering, and room construction all affect how quickly heat is transferred into the space.
After confirming that the system responds correctly, return the thermostat to the desired operating temperature and mode.
USING THE TTE-715W DAY TO DAY
For everyday operation, the TTE-715W can be controlled directly from its touchscreen or through the Smart Life app after WiFi setup has been completed.
Use manual temperature control when you want to make a temporary adjustment.
Use the programmable schedule when you want the thermostat to automatically change temperatures according to your daily routine.
Use energy-saving settings when a lower temperature is preferred during periods of reduced occupancy.
If the thermostat is connected to WiFi, the Smart Life app provides convenient access to the thermostat without requiring you to make every adjustment from the wall-mounted touchscreen.
MAINTAINING THE THERMOSTAT
Keep the thermostat's touchscreen clean and free of dust or other material that could interfere with normal touch operation.
Clean the display gently with a soft, dry or slightly damp cloth. Do not spray cleaning products directly onto the thermostat.
Do not remove the thermostat cover or attempt to service internal electrical components while the thermostat is connected to line voltage.
If the thermostat requires electrical service, turn off the circuit breaker and have the work performed by a qualified professional.
WHEN CHANGING FLOOR COVERINGS
If the floor covering is replaced after the electric floor heating system has been installed, review the temperature requirements of the new flooring material before operating the heating system.
Different flooring materials can have different temperature limitations. The floor temperature limit on the TTE-715W should be configured according to the requirements of the finished floor and the heating system.
WHEN REPLACING THE THERMOSTAT
If the TTE-715W is ever removed or replaced, turn off the circuit breaker before disconnecting any wiring.
Do not assume that a replacement thermostat uses the same terminal arrangement as the TTE-715W. Always follow the wiring instructions for the replacement thermostat being installed.
FREQUENTLY ASKED QUESTIONS
Is the TTE-715W a WiFi thermostat?
Yes. The TTE-715W supports 2.4GHz WiFi connectivity and Smart Life app control.
Is the TTE-715W touchscreen?
Yes. The thermostat features a 4.3-inch vertical color touchscreen.
Can the TTE-715W control electric floor heating?
Yes. The thermostat is designed for electric floor heating applications and supports room, floor, and dual temperature control.
Does the TTE-715W require WiFi to operate?
No. WiFi is used for smart connectivity and app control. The thermostat also provides local touchscreen operation and programmable heating functions.
What voltage does the TTE-715W use?
The thermostat is rated for 100-250VAC, 50/60Hz.
What is the maximum load?
The maximum rated load is 16A. The connected heating load must remain within this rating.
Can I use a floor sensor with the TTE-715W?
Yes. The thermostat supports a compatible 10K NTC floor temperature sensor and provides floor and dual temperature control options.
Can I set a maximum floor temperature?
Yes. When a floor sensor is used, the thermostat provides an adjustable floor temperature limit.
Can I program different temperatures for different times?
Yes. The TTE-715W provides programmable heating periods that can be configured for working days and rest days.
What app does the TTE-715W use?
The thermostat uses the Smart Life app for WiFi setup and smart control.
What WiFi network should I use?
The TTE-715W uses a 2.4GHz WiFi network for its smart connection.
Can more than one person control the thermostat?
Yes. The Smart Life app provides a device-sharing function that can be used to give other users access to the thermostat.
Can I lock the touchscreen?
Yes. The TTE-715W includes a child-lock function to help prevent unintended changes to the thermostat settings.
Can the thermostat be reset?
Yes. A factory reset function is available through the thermostat settings. After a factory reset, customized settings may need to be configured again.
SOURCES & RELATED LINKS
The installation and operating information in this guide is based on the technical and user documentation provided for the TTE-715W.
Important: Always verify the terminal markings, wiring diagram, and configuration settings on the actual thermostat before installation. Electrical installation should be performed by a qualified electrician or another person familiar with line-voltage electrical systems and applicable local electrical codes.
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FINAL NOTE
The TTE-715W is designed to provide convenient local and smart control of compatible electric floor heating systems. Proper installation, correct temperature settings, and appropriate floor temperature limits are important for safe and reliable operation.