Product Name
Controller (SR618)  for solar circulating system

Product Description
1) Dimension: 210mm x 145mm x 48mm
2) Self power consumption: <3W
3) Measuring accuracy of temperature:  2 C
4) Temperature range of measurement: 0&sim150oC
5) Maximum power of controlled circulation pump: possible to control 4 pumps, every power ≤600W
6) Power of auxiliary electrical booster ≤2,000W (standard collocation), ≤3,000W (not standard, selection available)
7) Inputs: 6 inputs, Pt-1000 for collector, sensor temperature ≤500oC (silicon cable ≤280oC, NTC10K, B=3950 for tank, sensor temperature ≤135oC (PVC cable ≤105oC)
8) Outputs: 5 outputs, one for electrical booster, 4 for circulation pump (or 3-way electromagnetic valve)
9) Ambient temperature range: -10~50oC
10) Water protection grade: IP40

Standard met: CE