Zhejiang Railen Electric Technology Co., Ltd.
Main products:Tankless Water Heater,Instant Electric Water Heater,Mini Tankless Water Heater,Solar Controller,Solar Water Heater Controller
Contact Us
  • Contact Person : Ms. Jiang Wendy
  • Company Name : Zhejiang Railen Electric Technology Co., Ltd.
  • Tel : 86-573-86672078
  • Fax : 86-573-86671405
  • Address : Zhejiang,Jiaxing,Tongyuan Town,Haiyan County,Zhejiang province,China
  • Country/Region : China
  • Zip : 314300

Non pressure Solar Water Heater Controller, alarm controller

Non pressure Solar Water Heater Controller, alarm controller
Product Detailed
Solar controller: 1.Low power requirement 2.Warranty 4years 3.LED display 4.Easy installation and connectionw with good qual

M-3new Controller is suitable for un-pressure solar water system

Technical data

1. Power supply: 220V, Power consumption: ≤4.5W

2. Accuracy of temperature measuring: ±2°

3. Range of temperature measuring: 0 to 99°

4. Water level classification: five classes display

5. Electromagnetic valve parameter: 12V DC, pressurized or un-pressurized valve are available for selection

    Operating pressure of pressurized valve: 0.02 to 0.8MPa, suitable for supply water directly

    Operating pressure of un-pressurized valve: 0.0MPa, for water-tank supply or low water-pressure supply

Controller Function


1. Power on self-test                  

2. Water temperature indication

3. Water level indication  

4. Water level upper-limited & lower-limited preset                   

5. Water shortage alarming

6. Full water level alarming                 

7. Water shortage loading    

8. Manual water loading     

9. Constant-level water loading  

10. Temp-controlled water loading  

11. Timing water loading

12. Compulsive water loading

13. Low water pressure loading      

14. Delayed time close water loading

15. High-temperature explosion protection

Non pressure Solar Water Heater Controller, alarm controller

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