SR 04 – Controller for solar and heating systems

102,00175,95 VAT_not included

 

  • Control of solar systems with one or two collectors, boiler, accumulator tank and pool
  • Communication (optional): RS485, MODBUS RTU protocol
  • Automatic and manual control mode
  • Anti-blocking function of pumps
  • Measurement update function
  • Non-volatile clock
  • Two-line alphanumeric LCD display
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SR04 is a differential controller, designed for control of solar systems with one or two collectors, boiler, storage vessel and a pool. SR04 also is applicable in smaller installations, including some of those elementsSR04 can heat the boiler from different sources – solar panel, electrical heater, boiler. Heating with energy from electrical grid can be programmed in fixed time zones. There is function against locking of the pumps, manual on/off switching the outputs, trial period, actuality of the measurements, non-volatile clock.

Number of sensors

without sensors, With three sensors, With five sensors, With eight sensors

Communication

,

Sensor / Analog Input

Pt1000 sensor

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