Solar Controller for Low pressure solar water heater

1Dimension:  210  mm  x  145mm  x  40mm  
2Self  power  consumption:  <3W
3Measuring accuracy of temperature: ±2
4Temperature range of measurement: 099
5Maximum power of controlled pump: ≤600W
6Power of accompanied electrical heating wire: ≤800W
7Power of auxiliary electrical booster ≤2000W ( standard collocation),
≤3000W not standard, selection available
8Electromagnetic valve parameter: DC 12V, AC 220V, pressurized
valve and un-pressurized valve are available for selection,
operation pressure of pressurized valve: 0.02Mpa ~ 0.8Mpa,
suitable for providing water directly
operation pressure of un-pressurized valve: 0.0Mpa,
connected with water tank or low pressure water providing.

1  Time  display
2  Water  temperature  display.
3  Water  level  display.
4  Auto  mode.
5  Water  level  pre-setup.
6  Manual  water  loading.
7  Temperature  controlled  water  loading.
8  Timing  water  loading.
9  Water  loading  when  tank  is  lack  of  water
10 Compulsive  water  loading
11 Increasing  Water  pressure  during  water  is  loaded.
12 Manual  heating.
13 Timing  heating.
14 Hot  water  circulation.
15 Hot  water  pipe  insulation.
16 Low  pressure  protection.
17 Collector  tube  protection.