1. Introduzione
This manual provides detailed instructions for the installation, operation, and maintenance of your KKnoon E21756US Programmable Smart WiFi Thermostat Plug. This device is designed to control heating or cooling appliances via a plug, offering smart control through a mobile application and voice commands. Please read this manual thoroughly before using the product to ensure safe and efficient operation.
2. Informazioni sulla sicurezza
- Assicurare il volume di inputtage and maximum load of the connected appliance do not exceed the thermostat plug's specifications (AC 120V, 60Hz, Max. Load: 10A, Max. Power: 1200W).
- Do not disassemble or modify the device. Unauthorized modifications may cause damage or electric shock.
- Tenere il dispositivo lontano dall'acqua e da ambienti ad alta umidità.
- The temperature sensor port uses low voltage; however, avoid inserting foreign objects into the port.
- Questo dispositivo è destinato esclusivamente all'uso in ambienti interni.
- Prima di pulirlo, scollegare sempre il dispositivo dalla presa di corrente.
- Sorvegliare i bambini per assicurarsi che non giochino con l'apparecchio.
3. Contenuto della confezione
Verificare che tutti gli articoli siano presenti nel pacco:
- 1 x KKnoon Smart Thermostat Plug (Model E21756US)
- 1 x Temperature Sensor (50cm / 19.7in length)
- 1 x Manuale utente (inglese)
4. Prodotto finitoview
Familiarize yourself with the components of your smart thermostat plug.

Figura 4.1: Davanti e dietro view of the KKnoon Smart Thermostat Plug. The front features the US standard outlet, while the back shows the plug prongs and heat dissipation fins.

Figura 4.2: The smart thermostat plug emphasizing its intelligent control, simple operation, and mobile app remote control capabilities.

Figura 4.3: Dimensions of the KKnoon Smart Thermostat Plug: 70mm (2.76in) height, 64mm (2.52in) width, and 35mm (1.38in) depth.
4.1 componenti chiave
- Presa elettrica: US standard 3-prong outlet for connecting appliances.
- Porta del sensore di temperatura: 3.5mm jack for connecting the external temperature sensor.
- Indicatore Wi-Fi: LED light indicating Wi-Fi connection status.
- Indicatore di alimentazione/stato: LED light indicating power and operational status.
- Pulsante di reset: Used for pairing and resetting the device (location typically on top or side).
5. Specifiche
| Caratteristica | Specificazione |
|---|---|
| Nome del modello | E21756US |
| Ingresso volumetage | CA 120 V, 60Hz |
| Carico massimo | 10A |
| Potenza massima | 1200W |
| Campo di misurazione della temperatura | -20~100℃/-4~212℉ |
| Lunghezza del sensore di temperatura | 50 cm / 19.7 pollici |
| Requisiti Wi-Fi | Solo Wi-Fi a 2.4 GHz |
| Compatibilità APP | App "Vita intelligente" |
| Supporto di sistema | Androide / iOS |
| Controllo vocale | Compatibile con Amazon Alexa, Google Assistant |
| Materiale | addominali |
| Dimensioni dell'articolo | 70 * 64 * 35 mm / 2.76 * 2.52 * 1.38 pollici |
6. Impostazione
6.1 Installazione dell'app
- Download the 'Smart Life' app from the Apple App Store (for iOS) or Google Play Store (for Android). You can search for "Smart Life" or scan the QR code provided in the quick start guide (if applicable).
- Registra un account o accedi se ne hai già uno.
6.2 Associazione del dispositivo (connessione Wi-Fi)
- Plug the KKnoon Smart Thermostat Plug into a standard US wall outlet.
- Insert the temperature sensor into the 3.5mm port on the thermostat plug.
- Open the 'Smart Life' app. Tap the "+" icon in the top right corner to add a device.
- Select "Electrical" then "Socket (Wi-Fi)" or search for "Thermostat Plug".
- Follow the in-app instructions to put the device into pairing mode. This usually involves pressing and holding the reset button on the plug until the Wi-Fi indicator light blinks rapidly.
- Enter your 2.4GHz Wi-Fi network password. Ensure your smartphone is connected to the same 2.4GHz Wi-Fi network. Note: The device does not support 5GHz Wi-Fi networks.
- Wait for the app to connect to the device. Once connected, you can rename the device for easier identification.

Figura 6.1: Example of the 'Smart Life' app interface for setting weekly temperature schedules for the thermostat plug.

Figura 6.2: The smart thermostat plug connected to its temperature sensor, illustrating its Wi-Fi, timer, app control, and thermostat functions.
7. Istruzioni per l'uso
7.1 Funzionamento di base
- Plug your heating or cooling appliance into the thermostat plug's outlet.
- The thermostat plug will automatically detect the current ambient temperature via its connected sensor.
- The device can be manually turned ON/OFF via the physical button (if available) or primarily controlled through the 'Smart Life' app.
7.2 Controllo dell'app
The 'Smart Life' app provides comprehensive control over your thermostat plug:
- ON/OFF remoto: Turn the connected appliance on or off from anywhere using your smartphone.
- Impostazione della temperatura: Set your desired target temperature. The plug will automatically turn the appliance on or off to maintain this temperature.
- Pianificazione: Create custom schedules for different times of the day and days of the week. For example, set a lower temperature when you are away and a comfortable temperature before you return.
- Conto alla rovescia: Set a countdown timer for the appliance to turn on or off.
- Unità di temperatura: Switch between Celsius (℃) and Fahrenheit (℉) within the app settings.
- Selezione della modalità: Choose between heating or cooling modes depending on your appliance and needs.
7.3 Controllo vocale
The thermostat plug is compatible with Amazon Alexa and Google Assistant. To enable voice control:
- Link your 'Smart Life' account to your Alexa or Google Home app.
- Scopri i dispositivi nella tua app Alexa/Google Home.
- Utilizzare comandi vocali come:
- "Alexa, accendi [Nome dispositivo]"
- "Hey Google, set [Device Name] to 22 degrees"
- "Alexa, qual è la temperatura di [Nome dispositivo]?"
8. Manutenzione
- Pulizia: Unplug the device before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or sprays.
- Magazzinaggio: Se non si utilizza il dispositivo per un periodo prolungato, scollegarlo e conservarlo in un luogo fresco e asciutto.
- Cura del sensore: Ensure the temperature sensor is kept clean and free from obstructions for accurate readings. Avoid bending or damaging the sensor cable.
9. Risoluzione Dei Problemi
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Il dispositivo non riesce a connettersi al Wi-Fi. | Incorrect Wi-Fi password; 5GHz Wi-Fi network; device too far from router; incorrect pairing mode. |
|
| L'apparecchio non si accende/spegne come previsto. | Incorrect temperature setting; wrong mode (heating/cooling); appliance not powered on; thermostat plug not receiving power. |
|
| Le letture della temperatura sono imprecise. | Sensor not properly connected; sensor placed in an unsuitable location; damaged sensor. |
|
| Il controllo vocale non funziona. | 'Smart Life' account not linked; device not discovered; incorrect voice commands. |
|
10. Garanzia e supporto
KKnoon products are designed and manufactured to the highest quality standards. For warranty information, technical support, or customer service inquiries, please refer to the contact information provided on the product packaging or visit the official KKnoon website. Please have your model number (E21756US) and purchase date available when contacting support.
Per ulteriore assistenza, puoi visitare il KKnoon Store on Amazon.