The SOLAREG II Energy HE+ is a solar circuit controller for the complete control of solar power systems.

It is equipped with a control output with PWM and analog signal to control High Efficiency Pumps.

The integrated multi-function controller allows flexible expansion of the system functions.

Available accessories:

  • Temperature sensor PT1000
  • Clip-on temperature sensor PT1000
  • Yield measurement set (incl. pipe sensor PT1000)
  • Mains cables
  • Pump cables
  • Overvoltage protection box (additional overvoltage protection against lightning strikes)
  • Immersion sleeves


  • Comfortable and intuitive user interface with 4 operating buttons
  • 1 pre-defined solar diagram - 1 collector, 1 storage tank or swimming pool
  • Energy yield measurement (flow sensor)
  • Intelligent pump speed control
  • Tube collector function, time-controlled
  • Drain-back function
  • Holiday mode (recooling)
  • 2 outputs 230V AC
  • 1 control output for HE pump PWM and analog
  • 4 temperature inputs for Pt1000
  • Protective functions, such as system protection, collector protection and flow monitoring
  • Service and status messages with flashing symbols in the display
  • Manual mode
  • Parameters remain consistent even after a power outage
  • Control of solar power systems with a solar circuit
  • R2 can be used as a multi-function controller, programmable

System schematics

For the print version, click on the description to the right