The cleaning process steps are as follows:
1. First, inject the cleaning agent into the liquid tank, then start the pump and let it run to start cleaning.
2. When cleaning, press forward and reverse multiple times. Until the cleaning agent does not show acidity, for mild pollution, it only needs to be circulated for about 1 hour. For severe pollution, it takes 3-4 hours. If the cleaning agent is dirty and the filter is clogged and dirty after long-term cleaning, the cleaning agent and filter should be replaced before proceeding.
3. After cleaning, the cleaning agent is dirty and the filter is also clogged and dirty. The cleaning agent in the reservoir should be recovered from the liquid pipe.
4. After cleaning, nitrogen blowing and drying treatment should be carried out on the refrigeration pipeline.
