How to maintain without solar energy in winter?

Remove the scale from the pipeline and fill it with water.

I. Tools/materials

Solar energy, water.

Two. Methods/steps

1. First, remove the sealing ring at the top of the collection pipe.

2. Then remove the solar collector tube.

3. Finally, first pour out the water in the collector tube, and then pour out the scale.

4. Then take out the rubber sealing ring at the water tank mouth.

5, and then began to clean up the scale.

6. Then rinse the scale of the water tank with water.

7. Then start to install the solar sealing ring.

8. Install the solar collector tube again.

9. Finally, push on the dust ring.