1、The drying filter must be used and replaced frequently. Different refrigerants should not share the same filter to avoid pollution. It is recommended to use the professional filter of our company to better ensure the normal operation of the equipment.

2、If the equipment is not used for a long time, it is recommended to clean the system with dry nitrogen and keep it airtight and dry as far as possible.

3、When the burned system is recovered, two heavy acid filters must be connected in series at the input port of the machine. At the end of the operation, clean the system with a small amount of refrigerant oil and clean the system with clean refrigerant.

4、For each liquid recovery operation, do not open the input valve before starting to avoid damaging the equipment caused by liquid strike.

5、After the liquid recovery operation, the input valve must be opened slowly to control the appropriate flow rate.