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SP228 solar thermal work stations

Suunny SP228 solar water heater work stationsSP228 user manual.pdf
Main technical data:

1. Dimension: 450×310×150mm
2. Input voltage: 200V~240V AC or 100V~120V AC
3. Power: ≤3W
4. Accuracy of temperature measuring: ±1℃
5. Range of temperature measuring: PT1000 : 0~199℃ NTC10K: 0~99℃
6. Input signals:
2 x PT1000 sensor temperature probe ≤500℃, silicon cable ≤280℃;
4 x NTC10K sensor temperature probe≤135℃, PVC cable ≤105℃
7. Output signals:
1 x Auxiliary heating output (Max. load current: 12A)
4 x Relay output (Max. load current: 3A)
8. System design pressure: 1 MPa
9. Safety valve respond pressure: 0.6 MPa
10. Pump model: RS15/6
11.  Screw coupling: 1/2〞
12.  Pipeline material: Brass
13. LCD-display
14. Range of environment temperature: -10~50℃
15. Water protection grade: IP40

Main functions:

1. 8 solar hot water systems for choice
2. Time display
3. Temperature difference circulation
4. Storage tank overheating protection
5. Emergent stop of system overheating
6. Frost protection of pipeline and collector
7. Three periods of time adjustable on pipeline circulation
8. Three periods of time adjustable on auxiliary heating
9. Holiday function
10.  Anti-bacteria function
11.  Three speed levels on circulation pump
12.  Display flow rate
13.  Display system pressure