A friend asked, what are the operating steps for filling refrigerant into the air conditioning pipeline? It depends on the circumstances under which you fill the pipeline with refrigerant.1. If it is a new air conditioner, after the pipeline installation is completed, after the air tightness test, t

1. When installing a new machine, it must be vacuumed. This is stipulated in the operating regulations and is also scientific. Also, avoid rainy days during installation, and be careful not to drip sweat into the pipeline during summer installation. In addition, the oil in the vacuum pump for vacuum

R-134a is the most widely used medium and low temperature environmentally friendly refrigerant. Due to the good comprehensive performance of HFC-134a, it becomes a very effective and safe alternative to CFC-12. It is mainly used in most of the use of R12 refrigerants. Fields, including: refrigerator