This product is part of WattFlex
Relevant applications:


Contactless (NFC) controllers for electric space heaters, for a simple and easy to use interface with a smartphone.



  • Direct smartphone NFC communication for simple and easy setting with iPhone or Android Smartphone
  • No setting, no pairing as communication takes place by proximity like contact
  • Provided with an APP – ready for OEM branding
  • High precision temperature control, 24h/7d free programming, open window detection, baby care
  • Energy meter by kWh or currency
  • 6-wire pilot line
  • ERP compliant



After power on, App can be automatically downloaded on smartphone from appropriate market place. Using the APP, controller can be set easily of temperature setting, programming. The ERD 511 LCD display makes the user interface simple to direct temperature controls at any time. The current and advanced functions are available without a smartphone.

Technical characteristics
  • ERD 511
Temperature rangeFrom 7°C to 35°C – Comfort, Eco , Anti-frost
RatingFrom 300W to 2000W, 230V , 50Hz
User interfaceLCD display
LayoutPower board + display board with front plastic mounting
ConnectionsFaston for phase, neutral and pilot wire ; heating element; 2 points XH2 connectors for temperature sensor
ApprovalsERP compliant
Technical drawings