Solar system controller SR500 mainly use for Non-pressure solar water heater .

Key technical parameter:

1. Dimension: 210mm X 145mm X 40mm.

1.  Max. Self consumption power: <3W

2. Measuring accuracy of temperature: ±2

3. Temperature range of measurement: 0-99 C

4. Power of auxiliary electrical heater ≤2000W (standard collection), ≤ 3000W not standard, but selection available.

5. Maximum power of controlled pump: ≤600 W

6. Power of accompanied electrical heating wire: ≤800 W

7. Electromagnetic valve parameter: DC 12V, AC 220V, pressurized valve and un-pressurized valve are available. Operation pressure of pressurized valve 0.2 bar-8 bar, suitable for feeding water directly, Operation pressure of un-pressurized 0 bar.

8. Power supply: 220V-240V.

Most important function:

1. Time display

2. Water temperature display

3. Water level display.

4. Auto mode

5. Water level pre-setup

6. Manual feeding water

7. Temperature controlled feeding water

8. Timing feeding water

9. Feeding water when lack of water.

10. Compulsive feeding water.

11. Increasing water pressure during water is loaded.

12. Timing heating

13. Manual heating

14: Hot water circulation

15. Hot water pipe insulation

16. Low pressure protection

17. Solar collector tube protection.

18. Memory protection when power is failure.

Solar system controller