REGULA primos 600

The primos 600 is a flexible solar circuits controller for the control of solar heating systems.

Temperature difference controller with multiple system diagrams and integrated multi-function controllers for flexible system extension.

3 outputs 230V AC
2 PWM or 0-10V analog outputs for HE pumps

1 potential free output
1 interface for VFS sensor
1 radiation sensor input
6 temperature inputs PT1000

Available accessories:

  • Temperature sensor PT1000
  • Radiation sensor
  • Yield measurement set (incl. pipe sensor PT1000)
  • Grundfos VFS
  • Mains cables
  • Pump cables
  • Overvoltage protection box (additional overvoltage protection against lightning strikes)
  • Immersion sleeves
  • conexio web module for remote control and remote visualization of controller data
  • convisopro (evaluation software)
  • Micro SD card


  • Intuitive operating menu with plain-text, graphic symbols and four operating buttons
  • Adjustable control values
  • Illuminated LCD-display
  • Intelligent speed control of the solar pump via PWM, analogue signal or 230V block modulation
  • Tube collector function with adjustable time slots
  • Drain-Back function
  • Integrated operating hours counter for storage tank charging
  • Integrated energy yield measurement; input flow rate or optional flow meter (Impeller wheel sensor, Grundfos VFS)
  • Storage of all values even at long term power failure
  • Various protection functions, such as system protection, collector protection, anti-freeze protection, recooling and flow monitoring
  • Generous wiring space
  • Four multi functional controllers (MFR) with three freely selectable controller functions each
  • Extensive functions for system monitoring. Malfunctions are displayed by flashing fault symbols
  • Intelligent primary and secondary charging
  • RS485-interface (ProBus). Networking of additional Prozeda controllers, remote access to all controller configurations and collected values, data logging, firmware update function etc.
  • Micro SD-Card interface for storing and reading of collected values, operating data and system states (data logging), firmware update, reading and loading of configurations

System schematics

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