Decdeal Smart WiFi Thermostat Instruction Manual

1. Introduction

Thank you for choosing the Decdeal Smart WiFi Thermostat. This device is designed to provide precise temperature control for electric heating systems, enhancing comfort and energy efficiency in your home. It features programmable settings, app-based remote control, and voice assistant compatibility. Please read this manual carefully before installation and operation to ensure proper use and safety.

2. Safety Information

• Installation must be performed by a qualified electrician in accordance with local wiring regulations.
• Always disconnect power at the circuit breaker before installing or servicing the thermostat.
• Do not install the thermostat in areas with excessive vibration, direct sunlight, or extreme temperature fluctuations.
• Ensure the power supply voltage matches the thermostat's specifications (100-250V AC).
• Keep the device away from water and moisture.
• This thermostat is designed for electric heating systems or water heating valves. Do not use it for other purposes.

3. Product Overview

The Decdeal Smart WiFi Thermostat features a sleek design with a touch-sensitive display. Key elements and their functions are outlined below.

Figure 3.1: Front view of the thermostat with labeled display elements and buttons.

Display Elements:

• WiFi Icon: Indicates WiFi connection status.
• Time: Displays current time.
• Room Temp: Shows the current room temperature.
• Manual Mode Icon: Indicates manual operating mode.
• ECO Icon: Indicates ECO (energy-saving) mode is active.
• Antifreeze Icon: Indicates antifreeze protection is active.
• Heating Icon: Indicates the heating system is active.
• Programming Period Icons: Displays the active programming period (e.g., sun for morning, house for day, moon for night).
• Programming Mode Icon: Indicates programmable operating mode.

Buttons:

• On/Off Key: Powers the thermostat on or off.
• Menu Key: Used to switch operating modes and access settings.
• ECO Key: Activates or deactivates ECO mode.
• Add Key (+): Increases temperature or adjusts settings.
• Minus Key (-): Decreases temperature or adjusts settings.

4. Specifications

Figure 4.1: Thermostat dimensions (86mm x 86mm x 40mm).

5. Setup

5.1 Installation and Wiring

1. Power Disconnection: Before starting, ensure the main power supply to the heating system is turned off at the circuit breaker.
2. Mounting: The thermostat is designed for standard wall box installation. Secure the mounting plate (included) to the wall box.
3. Wiring: Connect the power supply and heating load wires to the appropriate terminals on the thermostat's back panel. Refer to the wiring diagram provided with your specific heating system and the thermostat. Ensure all connections are secure.
4. Attach Thermostat: Carefully attach the thermostat unit to the mounting plate, ensuring it clicks into place.
5. Power Restoration: Restore power at the circuit breaker. The thermostat display should light up.

Figure 5.1: The thermostat is suitable for electric heating systems, including electric floor heating and systems controlled by boilers.

5.2 App Connection (Smart Life App)

To control your thermostat remotely and access advanced features, connect it to the Smart Life app.

1. Download App: Scan the QR code provided in the product packaging or search for "Smart Life" in your mobile app store (iOS/Android) and install the application.
2. Register/Login: Open the Smart Life app and register a new account or log in with an existing one.
3. Enable WiFi & Bluetooth: Ensure your smartphone's 2.4GHz WiFi and Bluetooth are enabled.
4. Add Device: In the Smart Life app, tap "Add Device" or the "+" icon. The app may automatically discover the thermostat via Bluetooth. If not, manually select "Thermostat" from the device list.
5. Connect to WiFi: Follow the on-screen prompts to connect the thermostat to your home's 2.4GHz WiFi network. Enter your WiFi password when requested.
6. Confirmation: Once connected, the WiFi icon on the thermostat display will become solid, and the device will appear in your Smart Life app. You can now control it remotely.

Figure 5.2: Smart Life App interface for remote control and monitoring.

6. Operating Instructions

6.1 Power On/Off

• To Turn On/Off: Short press the On/Off Key (power symbol) to toggle the thermostat between on and off states.

6.2 Temperature Adjustment

• When the thermostat is on, press the Add Key (+) or Minus Key (-) to adjust the desired temperature. The set temperature will be displayed.

6.3 Mode Switching (Manual / Program)

• When the thermostat is on, short press the Menu Key to switch between operating modes.
• The display will show "5" for Manual Mode or "4" for Program Mode.

6.4 Setting Current Time

• When the thermostat is on, long press the Menu Key for 5 seconds to enter the current time setting interface.
• Press the Menu Key again to cycle through setting hours, minutes, and day of the week.
• Use the Add Key (+) or Minus Key (-) to adjust the values.
• Press the On/Off Key to confirm and exit.

6.5 Programming Schedule (6 Periods)

The thermostat supports 5+2, 6+1, or 7-day programming with up to 6 time periods per day.

1. Enter Programming: When the thermostat is off, long press the ECO Key and Menu Key simultaneously for 5 seconds to enter programming mode.
2. Adjust Periods: Press the Menu Key to cycle through the time (hour/minute) and temperature settings for each of the 6 periods.
3. Set Values: Use the Add Key (+) or Minus Key (-) to adjust the time and temperature for the current period.
4. Save & Exit: Repeat for all desired periods. The thermostat will automatically save settings or you can press the On/Off Key to exit.

Figure 6.1: Example of a 5+2 day programming schedule with multiple time periods.

6.6 Child Lock Function

• Activate Child Lock: When the thermostat is on, press and hold the Add Key (+) and Minus Key (-) simultaneously for 5 seconds. A "lock" icon will appear on the display, indicating the child lock is active.
• Deactivate Child Lock: Repeat the same action (press and hold Add Key (+) and Minus Key (-) for 5 seconds) to deactivate the child lock. The "lock" icon will disappear.

6.7 ECO Mode

• Activate ECO Mode: When the thermostat is on, press the ECO Key to activate the energy-saving ECO mode. The ECO icon will appear.
• Exit ECO Mode: Press any key to exit ECO mode.

6.8 Adjustable Screen Brightness

The screen brightness can be adjusted to suit your preference.

Figure 6.2: The thermostat display brightness can be adjusted via the app settings.

To adjust brightness, access the thermostat settings within the Smart Life app. Look for a "Backlight brightness" option and adjust the slider to your desired level (e.g., 20%, 50%, 100%).

6.9 Voice Control

The thermostat is compatible with Amazon Alexa and Google Home for convenient voice control. Once connected to the Smart Life app, link your Smart Life account to your Alexa or Google Home app and follow their instructions to discover devices. You can then use voice commands to adjust temperature or change modes.

7. Advanced Settings Menu

The advanced settings menu allows for configuration of various parameters.

1. Enter Menu: When the thermostat is off, long press the Menu Key for 5 seconds to enter the advanced setup menu.
2. Navigate Parameters: Short press the Menu Key to cycle through the different advanced parameters.
3. Adjust Values: Use the Add Key (+) or Minus Key (-) to select the desired value for the current parameter.
4. Save & Exit: Press the On/Off Key to save the settings and exit the advanced menu, returning to the off state.

8. Maintenance

• Cleaning: Wipe the thermostat display and casing with a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays.
• Avoid Obstructions: Ensure the thermostat is not covered by furniture, curtains, or other objects that could obstruct its temperature sensor, leading to inaccurate readings.
• Regular Checks: Periodically check the wiring connections for any signs of loosening or damage.

9. Troubleshooting

10. Warranty and Support

Decdeal products are manufactured to high-quality standards. For warranty information, please refer to the terms and conditions provided at the time of purchase or contact your retailer. If you encounter any issues or require technical assistance, please contact Decdeal customer support through the official website or your purchase platform.