How to clean the floor heating pipes?

Currently, floor heating duct cleaning using special cleaning fluid, cleaning process is generally as follows:

1, first opened to warm the hot water inlet pipe;

2, and then to warm lotion 1 bottle (300g) by 1:10-50 dilution into the hot water inlet pipe;

3, then make sure to warm the pipe is filled with water, turn off the cold water valve, start the circulation pump for 30 minutes;

4, and then open the cold water valve, place the water clean;

5, the last rinse with water to warm the pipe until the outlet water flows, so that cleaning work is done.