Solar thermal energy

100% „Made in Germany“

All-year highly efficient high-vacuum tube collectors

Solar controller

Solar controller TDC4 with VFS1-12 including 4 sensors PT1000

Operation monitoring through data storage with heat-quantity, statistics and evaluations.

  • 1 Output 230V speed control
  • 1 Output 230 mechanically
  • 1 Output 230V/0-10V or PWM signal
  • Time-and temperature-controlled thermostat function
  • VFS1-12L/min. Flow-through and temperature measurement


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