Solar controller primos 200 SR View larger

Solar controller primos 250 SR


New product

For solar plants with 1 storage tank. For PWM and standard pumps

More details

In stock

179,00 € VAT included

0.8 kg
Delivery: 3-7 days

Data sheet

PWM output1
RPM controlYes
Energy YieldYes
Collector protectionYes
Frost protectionYes
Tube collectors functionYes
Recooling (holiday mode)Yes
Free Controller1
microSD CardYes

More info

Digital Solar Controller primos 250 SR

Flexible solar circuits controller for the control of solar heating systems Temperature difference controller for solar systems and integrated multi-function controller for flexible system extension.

  • Comfortable and intuitive user interface with 4 menus for monitoring and controlling and 4 operating buttons
  • LED-backlit LCD display
  • Micro SD-card interface
  • Data logging (data storage)
  • System specific parameter setup (storage and loading of parameter sets)
  • Firmware update
  • Prozeda bus
  • Internet connection, remote visualization and remote maintenance (conexio 200 web module)
  • Real time clock
  • 1 pre-defined solar diagram (can be switched off)
  • Energy yield measurement (flow indicator)
  • Multi function controllers with pre-programmed controller functions
  • Intelligent pump speed control
  • Target temperature charging (heat source min. temperature)
  • Tube collector function, time or solar radiation controlled, with adjustable time slot
  • Drain-Back function, time and radiation controlled
  • Holiday mode
  • Protection functions, such as system protection, antifreeze protection, collector protection and flow monitoring
  • Service and status messages with flashing symbols and acoustic warning signals
  • Parameters remain consistant even after a power outage
  • 1 output 230V AC
    1 PWM or 0-10V analog outputs for HE pumps
    1 potential free output
    4 temperature inputs PT1000


What is in the box:

1 collector sensor
1 storage tank sensor

Manual in German, English (PDF)

The controller is developed an manufactured in Germany.

Technische Daten:

Material100% recyclingfähiges ABS-Gehäuse für
Maße L x B x T in mm, Gewicht175x134x56 mm; ca. 360g
SchutzartIP20 nach DIN 40050, EN 60529
Elektrische Werte 
BetriebsspannungAC 230 Volt, 50 Hz -10...+15%
max. zulässige Stromaufnahme incl. Pumpen/Ventile1A
interne GerätesicherungFeinsicherung 5 x 20mm, 2A/T
(2 Ampere, träge)
Standby Verluste0,8 W
max. Leitungsquerschnitt für die 230V-Anschlüsse1,5mm² fein-/eindrähtig
TemperaturfühlerPT1000, 1,0 KOhm bei 0°C
max. Leitungsquerschnitt für die Sensoren1,5 mm² fein-/eindrähtig
Steuerausgang für HE PumpenPWM-Signal: 1kHz, ViL < 0,5 V DC, ViH > 9 V DC, 10 mA max.
Analogsignal: 0 ...+10 V DC +/– 3%, 10 mA max.
Leistung je Schaltausgang
1A / ca. 230VA für cos φ = 0,7-1,0
Betriebstemperatur0 ... + 50°C
Lagertemperatur-10 ... + 65°C
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