SPIII Solar Controller for Split Solar Heating System  

Main technical data:

1. Dimension: 186×140×41mm

2. Input voltage: 220V~240V AC or 100V~120V AC

3. Power: ≤5W 

4. Accuracy of temperature measuring: ±1°C 

5. Range of temperature measuring: PT1000:0~199°C  NTC 10K: 0~99°C

6. Input signals:

        2 x PT1000 sensor temperature probe ≤500°C, silicon cable ≤280°C;

        4 x NTC10K sensor temperature probe≤135°C, PVC cable ≤105°C

        2 x NTC10K, 1 x Flow sensor (For Selection)

7. Output signals:

       1 x Auxiliary heating output (Max. load current: 12A)

        4 x Relay output (Max. load current: 3A)

        1 x Adjustable output (Max. load current: 1.5A)

 8. TFT display

 9. Communication port: 1 x RJ45

 10. Range of environment temperature: -10~50°C

 11. Water protection grade: IP40

Main functions: 

1. Display clock and week

2. Temperature difference circulation

3. Storage tank overheating protection

4. Storage tank emergency cut-off

5. Frost protection of collector and pipeline

6. Adjustable of three time periods on Auxiliary heating 

7. Holiday function

8. Anti-bacteria function

9. Connect directly with the computer, switch or router to a home network access

10.  Web-based data configuration, heat calculating, look view history data, etc

SPIII Solar Controller for Split Solar Heating System