1. Introducció
The Drexma WiStat is a programmable WiFi touchscreen thermostat designed for radiant floor heating systems. It offers advanced control and monitoring capabilities through its intuitive interface and mobile application for iOS and Android devices. This thermostat is compatible with both 2.4G and 5G Wi-Fi networks and integrates with popular smart home ecosystems such as Amazon Alexa and Google Assistant. It supports dual-voltage (120V and 240V) floor heating cables and includes built-in Class A GFCI protection for enhanced safety. This manual provides detailed instructions for the proper installation, operation, and maintenance of your WiStat thermostat.

Figure 1: Drexma WiStat Thermostat and Packaging
2. Informació de seguretat
ADVERTÈNCIA: Risc de descàrrega elèctrica. Installation must be performed by a qualified electrician in accordance with local electrical codes. Disconnect power at the circuit breaker before installing or servicing the thermostat.
- Ensure the power supply is disconnected before any wiring.
- The thermostat is designed for 120V or 240V radiant floor heating systems. Verify your system's voltage abans de la instal·lació.
- The built-in Class A GFCI (Ground Fault Circuit Interrupter) provides protection against electrical shock. Test the GFCI regularly as per local regulations.
- No exposeu el termòstat a l'aigua ni a una humitat excessiva.
- Do not attempt to repair or modify the thermostat. Refer all servicing to qualified personnel.

Figura 2: posterior view with wiring caution
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- Drexma WiStat Thermostat Unit
- Sensor de temperatura del sòl
- Cargols de muntatge (normalment inclosos)
- Manual d'usuari (aquest document)
4. Configuració
4.1. Instal·lació
- Desconnecteu l'alimentació: Desconnecteu l'alimentació del circuit de calefacció al quadre elèctric principal.
- Muntatge: Install the thermostat into a standard electrical box. Ensure proper clearance for wiring.
- Cablejat: Connect the thermostat according to the wiring diagram provided in the installation guide (refer to Figure 2 for terminal layout). Ensure correct connections for LINE (power supply), LOAD (heating cables), and the floor sensor. The thermostat supports both 120V and 240V systems.
- Instal·lació del sensor: Route the floor temperature sensor cable to the desired location in the floor, ensuring it is properly embedded in the heating area.
- Termòstat segur: Fasten the thermostat to the electrical box using the provided screws.
- Restaura l'alimentació: Turn on power at the circuit breaker. The thermostat display should illuminate.

Figura 3: lateral view del termòstat
4.2. Configuració Inicial
- Upon first power-on, the thermostat will guide you through initial settings such as language (English/French) and temperature units (Celsius/Fahrenheit).
- Seguiu les instruccions que apareixen a la pantalla per definir la data i l'hora.
4.3. Connexió Wi-Fi
- Descarregar l'aplicació: Download the Drexma WiStat mobile application from the iOS App Store or Google Play Store.
- Crea un compte: Obriu l'aplicació i creeu un compte d'usuari.
- Afegeix un dispositiu: Follow the in-app instructions to add your WiStat thermostat. This typically involves putting the thermostat into pairing mode and connecting it to your home's 2.4G or 5G Wi-Fi network.
- Integració de la llar intel·ligent: Once connected to Wi-Fi, you can link your thermostat to smart home platforms like Amazon Alexa or Google Assistant through their respective apps.

Figura 4: Frontal view of the thermostat display
5. Instruccions de funcionament
5.1. Interfície de pantalla tàctil
The WiStat thermostat features a color touchscreen for easy navigation. Tap icons and menus to access various settings and functions.
5.2. Heating Modes
Select from available heating modes (e.g., Auto, Manual, Away) to suit your comfort and energy-saving preferences. Refer to the on-screen menu for specific mode descriptions.
5.3. Programació
Utilize the 7-day programmability feature to create custom heating schedules. This allows you to set different temperatures for various times of the day and days of the week, optimizing comfort and energy consumption.
5.4. Ajust de temperatura
Adjust the desired temperature directly on the touchscreen or through the mobile app. The thermostat can display temperatures in either Fahrenheit or Celsius.
5.5. Child Lock Functionality
Activate the child lock feature through the settings menu to prevent unauthorized changes to the thermostat settings.
5.6. Real-time Weather Reports
The thermostat can display real-time local weather reports, allowing you to anticipate heating needs and adjust settings proactively.

Figura 5: superior view del termòstat
6. Manteniment
- Neteja: Gently wipe the touchscreen and thermostat body with a soft, damp tela. No utilitzeu netejadors abrasius ni dissolvents.
- Prova GFCI: Regularly test the GFCI function as recommended by local electrical codes, typically monthly. Press the TEST button on the thermostat; the heating should turn off. Press the RESET button to restore normal operation.
- Actualitzacions de firmware: Ensure your thermostat's firmware is up to date through the mobile application for optimal performance and new features.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La pantalla del termòstat està en blanc | Sense subministrament elèctric; interruptor automàtic saltat; cablejat incorrecte. | Check circuit breaker. Verify wiring connections. Consult a qualified electrician if necessary. |
| Sense calor del terra | Thermostat in OFF mode; GFCI tripped; heating cables faulty; temperature set too low. | Ensure thermostat is in an active heating mode. Reset GFCI. Increase set temperature. Consult a professional for heating cable inspection. |
| Problemes de connexió Wi-Fi | Incorrect Wi-Fi password; router too far; network interference; 2.4G/5G band conflict. | Re-enter Wi-Fi password. Move router closer or use a Wi-Fi extender. Ensure your router supports 2.4G or 5G and the thermostat is connecting to the correct band. Restart router and thermostat. |
| Lectures de temperatura inexactes | Floor sensor not properly installed or damaged. | Verify floor sensor placement. If damaged, replace the sensor. |
| Thermostat unresponsive | Error temporal de programari. | Perform a soft reset by turning off power at the circuit breaker for 30 seconds, then restoring power. |
8. Especificacions
| Característica | Detall |
|---|---|
| Marca | Drexma |
| Nom del model | DREXMA-WiStat |
| Tipus de controlador | WiFi programable |
| Característica especial | Pantalla tàctil |
| Color | Blanc |
| Usos específics per al producte | Calefacció per terra |
| Voltage | 120 volts, 240 volts |
| Forma | Rectangular |
| Tipus de control | Toca |
| Mètode de control | App |
| Característiques del producte | Pantalla tàctil |
| Protocol de connectivitat | Wi-Fi (2.4G and 5G compatible) |
| Llum de fons | Sí |
| Estil de producte | Modern |
| Número de model | DREXMA-WiStat |
| UPC | 659460138640 |
| Fabricant | Drexma |
| País d'origen | EUA |
| ASIN | B0D9KPCW36 |
| GTIN | 659460138640 |
9. Garantia
As per the product information, this Drexma WiStat Thermostat is sold without a manufacturer's warranty. Please refer to your retailer's return policy for any issues.
10. Suport
For technical assistance or further inquiries regarding your Drexma WiStat Thermostat, please refer to the support section within the Drexma WiStat mobile application or visit the manufacturer's official weblloc per obtenir informació de contacte.