Champion! solar controller for un-pressurized solar system

solar controllers:
1.OEM provide
2.Safety protection with excellent quality
3. Digital LED display
4. Warranty: 3years
Solar controllers for integrated unpressure solar system;
Functions:
Time display
Water level preset
Water temperature preset
Water temperature indication
Water level indication
Water shortage alarming
Water loading in shortage
Manual water loading
Power-off memory

Constant temperature heating
Automatic pressurization
Full water alarm
Pipe warm preservation
Low water pressure loading
Compulsive water loading
Auto leakage prevention
Constant water level
Electric heating cable fire protection
Specifications:
Water level classification: five classes display
Power of controlled circulation pump or electric heating wire: ≤500W
Power of controlled electric heating: ≤1,500W
Optional power: 3,000W
Action current of electric leakage: ≤10mA/0.1s
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
Suitable for water-tank supply or low hydraulic-pressure supply
Power supply: 220V
Power consumption: ≤6W
Accuracy of temperature measuring: ±2 degrees Celsius
Range of temperature measuring: 0 to 99 degrees Celsius
Accuracy of controlled temperature: ±2 degrees Celsius
Size: 18.8 x 13.2 x 4.2cm