single pipeline working stations

13. High temperature protection for solar collector

12. High temperature protection for water tank

11. Frost protection for collector

10. Display the system pressure

9. Display the flux

8. Display the fault of water tank temperature

7. Memory function

6. Three periods timing heating

5. Three periods timing circulation for pipeline

4. Temperature difference circulation

3. Temperature difference circulation pump provide three working scopes for choose

2. Display temperature

1. Display clock and week

Main functions

end circulation pump)

9. Output signal:3 (electronic booster, temperature difference circulation pump and water-using

8. Input signal: 3 temperature sensors (for top of tank, for heat collector, for bottom of tank)

7. System working pressure: 0.6MPA

6. Electronic booster power:

double pipeline working stations:
1. it can fetch water automatically
2. it can control water level and temperature