Controller M-8NEW is suitable for un-pressure solar water heater system

Technical indications:

1. Power supply: 220V AC, ≤5W

2. Range of temperature measuring: 0 to 110°c

3. Accuracy of temperature measuring: ±2°c

4. Power of controllable solenoid valve: 12V DC, ≤3W, nonpressure valve and pressure valve for choosing

5. Power of controllable booster pump or ribbon heater or circulation pump: 220V AC, ≤ 500W

6. Power of controlled electric heater: 220V AC, ≤1,500W

Main function

1. Power on self-test

2. Water level upper-limited preset

3. Water level lower-limited preset

4. Heating temperature upper or lower limited preset

5. Temp-controlled water loading temperature upper&lower can be preset

6. Water level sensitivity set

7. Water level and temperature indication

8. Water shortage alarm

9. Full water alarm

10. Constant level water loading

11. Manual water loading

12. Temp-controlled water loading

13. Timing watering

14. Compulsive watering

15. Watering on lower pressure and Alarm for water over flow

16. Pipe explosion protection

17. Delayed to close watering

18. Delayed to water loading when using

19. Automatic pressurization

20. Heat preservation delayed manually

21. Timing heating

22. Manual heating

23. Constant temperature heating

24. Heating protection

25. Double-pipe

26. Intelligent mode

27. Electric leakage protection

28. Power off memory