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FD-M7 Un-pressurized Solar Water Heater Controller

Un-pressurized Solar Water Heater Controller detailed description (Suitalble for Compact low pressurized solar system)




1.OEM accept 
2.CE certification 
3.Easy installation 
4. 2Years warranty 
5. Water level &temperature intelligent controlling 

Technical data:

1. Power supply: 220V,<5W

2. Temperature measuring accuracy:+-2c

3. Temperature measuring range:0-99 c

4. Water level display: Five classes

5. Power of controlled booster pump/ribbon heater power: 220V AC, <=500W

6. Power of controlled electric heater:220V AC, <=1,500W, 3000W can be customized

7. Electromagnetic valve parameter: 12V DC, pressurized or non-pressurized

Operating pressure of Pressurized valve: 0.02 to 0.8MPa

Non-pressurized valve: 0.0MPa


Main Function:

1. Power on self-test

2. Water level preset

3. Time display

4. Water temperature preset

5. Water level indication

6. Water shortage alarming

7. Water shortage loading

8. Water full alarming

9.Temperature-control water loading

10. Manual water loading

11. Water temperature indication

12. Timing water loading

13. Compulsive watering

14. Low pressure water loading

15. Power-off memory

16. Anti-dry heating protection

17.Timing heating

18. Constant temperature heating

19. Intelligent heating protection

20. Water level sensitivity setting

21. Overflow automatic proction

22. Automatic pressurization function

23. Pipe warm preservation

24. Electric leakage protection

Each controller contains a solenoid valve and a sensor

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