Sundirect MD300Plus
Sundirect MD300Plus Infrared Mirror Heater with Smart Plug Thermostat User Manual
Model: MD300Plus | Brand: Sundirect
1. Introducción
This manual provides comprehensive instructions for the safe and efficient operation of your Sundirect MD300Plus Infrared Mirror Heater and its accompanying Smart Plug Thermostat. Please read this manual thoroughly before installation and use, and retain it for future reference. This product is designed to provide efficient heating and a clear mirror surface, particularly suitable for bathrooms and other living spaces.
2. Instrucciones de seguridad
Observe siempre las siguientes precauciones de seguridad para reducir el riesgo de incendio, descarga eléctrica o lesiones:
- Asegúrese de que la fuente de alimentación voltage coincide con las especificaciones del calentador.
- No haga funcionar el calefactor con un cable o enchufe dañado.
- Do not immerse the heater or Smart Plug in water or other liquids.
- Mantenga los materiales inflamables a una distancia segura del calentador.
- No cubra el calentador durante el funcionamiento.
- Installation must be performed by a qualified professional if hardwiring is required.
- Este aparato no está diseñado para ser utilizado por personas (incluidos niños) con capacidades físicas, sensoriales o mentales reducidas, o con falta de experiencia y conocimientos, a menos que hayan recibido supervisión o instrucciones sobre el uso del aparato por parte de una persona responsable de su seguridad.
- Se debe supervisar a los niños para garantizar que no jueguen con el aparato.
3. Contenido del paquete
Verifique que todos los artículos que se enumeran a continuación estén presentes en su paquete:
- 1 x Sundirect MD300Plus Infrared Mirror Heater (300 Watt)
- 1 x Smart Plug Thermostat
- 1 x Mounting Accessories Set
- 1 x Manual de usuario (este documento)

Imagen 3.1: The Sundirect MD300Plus Infrared Mirror Heater shown with the Smart Plug WiFi Thermostat.
4. Producto terminadoview
The Sundirect MD300Plus is an infrared mirror heater designed for efficient and comfortable heating, particularly in spaces like bathrooms. It features a high-quality carbon crystal heating element and is insulated with two layers of high-temperature fiberglass material for minimal heat loss. The mirror surface also helps prevent fogging in humid environments.

Imagen 4.1: Frente view of the Sundirect MD300Plus Infrared Mirror Heater.
The Smart Plug Thermostat provides convenient control over your heater. It features a touch display, WiFi connectivity, and 7-day programming. It is compatible with smart home systems like Amazon Alexa and Google Home, offering various operating modes including holiday, smart, and manual.

Imagen 4.2: Un detallado view of the sleek edge design of the mirror heater.
5. Configuración e instalación
The MD300Plus mirror heater is designed for wall installation. The Smart Plug Thermostat requires no assembly and simply plugs into a standard electrical outlet.
5.1 Mirror Heater Installation
- Elegir la ubicación: Select a suitable wall location, ensuring it is within reach of a power outlet and away from flammable materials. Consider the desired heating area (3-6 m²).
- Soporte de montaje: Use the provided mounting accessories to securely attach the wall mount bracket to the wall. Ensure the bracket is level and firmly fixed.
- Conecte el calentador: Carefully lift the mirror heater and align the mounting points on the back of the heater with the bracket. Secure the heater to the bracket according to the instructions provided with the mounting kit.
- Conexión de energía: Plug the heater's power cable into a standard EU-compliant electrical outlet. Ensure the power switch on the heater's connection box is in the OFF position before plugging in.

Imagen 5.1: The wall mount bracket with designated mounting points.

Imagen 5.2: Trasero view of the heater, illustrating the mounting points and power connection.

Imagen 5.3: Detail of the power switch and connection box on the heater's rear.
5.2 Smart Plug Thermostat Setup
- Conectar: Insert the Smart Plug Thermostat into a standard electrical outlet.
- Conectar el calentador: Plug the mirror heater's power cable into the Smart Plug Thermostat.
- Encendido: Turn on the power switch on the heater's connection box.
- Emparejamiento: Follow the instructions provided with the Smart Plug Thermostat to pair it with the heater and connect it to your home WiFi network via the Sundirect Smart app.
6. Instrucciones de funcionamiento
The Smart Plug Thermostat offers multiple ways to control your infrared mirror heater.
6.1 Control manual (pantalla táctil)
Use the touch display on the Smart Plug Thermostat to manually adjust the desired temperature. The display will show the current room temperature and the set temperature.
6.2 WiFi Control (Sundirect Smart App)
Download the Sundirect Smart app (or Tuya Smart App as indicated in specifications) on your smartphone or tablet. Once connected to your home WiFi network, you can:
- Set and adjust target temperatures remotely.
- Program a 7-day heating schedule for each day of the week.
- Switch between different operating modes:
- Modo inteligente: Automatically adjusts heating based on your programmed schedule.
- Modo manual: Mantiene una temperatura constante establecida por el usuario.
- Modo de vacaciones: Sets a lower, energy-saving temperature for extended periods when you are away.
6.3 Control por voz (Alexa y Google Home)
Integrate the Smart Plug Thermostat with your Amazon Alexa or Google Home device. Once linked, you can control the heater using voice commands, such as "Alexa, set bathroom heater to 22 degrees" or "Hey Google, turn off the mirror heater."
7. Mantenimiento y cuidado
Regular maintenance ensures optimal performance and longevity of your mirror heater.
- Limpiar el espejo: Ensure the heater is switched off and unplugged before cleaning. Use a soft, damp cloth and a mild glass cleaner to wipe the mirror surface. Avoid abrasive cleaners or harsh chemicals.
- Limpieza general: Periodically wipe the frame and back of the heater with a dry or slightly damp Paño para quitar el polvo.
- Inspección: Revise periódicamente el cable de alimentación y el enchufe para detectar cualquier daño. Si encuentra algún daño, deje de usarlo y contacte con atención al cliente.
- Do not attempt to open or repair the heater or thermostat yourself. Refer all servicing to qualified personnel.
8. Solución de problemas
If you encounter issues with your Sundirect MD300Plus, refer to the following common troubleshooting steps:
- El calentador no se enciende:
- Check if the heater is properly plugged into the Smart Plug Thermostat and the thermostat is plugged into a live outlet.
- Ensure the power switch on the heater's connection box is in the ON position.
- Verify that the Smart Plug Thermostat is powered on and set to a temperature higher than the current room temperature.
- Revise el disyuntor de su casa.
- Sin salida de calor:
- Confirm the thermostat is set to an active heating mode (Smart, Manual) and the target temperature is above the ambient temperature.
- Allow some time for the infrared heater to reach its operating temperature.
- Problemas de conexión WiFi:
- Ensure your router is working and the WiFi signal is strong where the thermostat is located.
- Restart your router and the Smart Plug Thermostat.
- Follow the pairing instructions in the Sundirect Smart app again.
- Empañamiento del espejo:
- While the heater helps reduce fogging, in extremely humid conditions, some condensation may still occur. Ensure the heater has been on for a sufficient period.
Si el problema persiste después de intentar estos pasos, comuníquese con el servicio de atención al cliente para obtener más ayuda.
9. Especificaciones técnicas
9.1 Mirror Heater Specifications
| Característica | Especificación |
|---|---|
| Vol de funcionamientotage | 220-240V, 50Hz |
| Dimensiones | 60 x 60 centímetros |
| Consumo de energía | 300 vatios |
| Peso | 12.4 kilogramos |
| Área calentada | 3-6 m² |
| Instalación | Montaje en pared |
| Temperatura de la superficie | 85-95 °C |
| Eficiencia energética | Hasta el 95% |
| Clasificación de protección | IP44 |
| Elemento calefactor | Cristal de carbono |
| Aislamiento | Fiberglass Insulation (2 layers) |
| Reflective Layer | Acero |
| Protección contra sobrecalentamiento | 3 Sensores |
| Cable de conexión | 1.9 m with EU standard plug |
| Fabricante | infrarot-fussboden-de |

Imagen 9.1: Visual representation of the 60x60cm dimensions of the mirror heater.

Imagen 9.2: Lado profesionalfile illustrating the depth of the heater (2.2cm) and the wall mount (1.6cm), totaling 3.8cm.
9.2 Smart Plug Thermostat Specifications
| Característica | Especificación |
|---|---|
| Tipo de montaje | Socket (Plug-in) |
| Vol de funcionamientotage | 220-240V, 50Hz |
| Tipo de enchufe | Schuko/Switzerland |
| Frecuencia | 433 MHz (RF control to heater) |
| Control | 433 MHz RF control from Smart Plug to heater; WLAN via Sundirect Smart app to Smart Plug |
| Rango de temperatura de funcionamiento | 5-37 °C |
| Dimensiones | 118 mm x 65 mm |
| Distancia de control | 35 m (unobstructed environment) |
| Communicating Models | PE-Plus/IC-Plus/GD-Plus/MD-Plus |
| Características especiales | Touch-display, WiFi control, 7-day programming, Works with Alexa and Google Home, Energy-saving, Holiday/Smart/Manual modes, Tuya Smart App compatibility |
10. Garantía y soporte
Information regarding specific warranty terms and conditions for the Sundirect MD300Plus Infrared Mirror Heater and Smart Plug Thermostat was not provided in the product data. For warranty details, technical support, or service inquiries, please refer to the documentation included with your purchase or contact the manufacturer/seller directly.
Fabricante: infrarot-fussboden-de
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