Precautions for key auxiliary materials for central air conditioning installation

Precautions for key auxiliary materials for central air conditioning installation

Central air-conditioning is an air conditioner that must be installed in many places, such as companies, shopping malls, supermarkets and other places. With the rapid development of society, many families have begun to choose central air-conditioning when installing air-conditioners. When installing central air conditioning, the requirements for auxiliary materials will be relatively high. The following editor introduces the key auxiliary materials for central air conditioning installation.

　　1, refrigerant copper pipe:

　　 The operating condition of the refrigerant of the central air conditioner directly determines the effect of use, so the quality of the refrigerant copper pipe is very important. The pressure inside the tube of the traditional R22 refrigerant (freon) is generally about 20 kg, while the pressure inside the tube of the new R410 refrigerant reaches 36 kg. Therefore, central air conditioners using new refrigerants need to choose more high-quality refrigerant copper tubes.

　　The copper pipe (commonly known as the extruded pipe) produced by the extrusion process has uniform wall thickness and can withstand higher pressure. Another common type of copper tube on the market is produced by a drawing process (commonly known as a drawing tube), which is prone to uneven wall thickness, which poses a hidden danger to the safety of the refrigerant system.

　　2, copper pipe insulation:

　　The operation of the refrigerant directly determines the effect of use, and the copper pipe insulation cannot be ignored.

　　3. Condensate pipe:

　　 The condensate pipe is hidden in the suspended ceiling and will be closed at the end. Although the quality of the air conditioner is not good or bad, the effect of the air conditioner will not be marketed, but once it leaks, the consequences are very serious. It must be repaired by removing part or all of the suspended ceiling or even knocking on the wall to pry the floor (brick).

　　4, tuyere:

　　 Small parts are often neglected by many consumers, but this part affects the experience of use.

　　 There are two common tuyere materials: one is ABS tuyere, the other is aluminum alloy tuyere.

　　 There are pros and cons for the two types of outlets. The ABS air outlet is made of ABS engineering materials, which is not easy to condense. However, the material has a certain coefficient of thermal expansion and contraction, so it may squeak during use, and the air outlet may also be slightly arched in low temperatures in winter. The tuyere will turn yellow after prolonged use and it is not easy to clean.

　　 aluminum alloy tuyere, the advantage is that it is not easy to be deformed, and it is not easy to change color. However, because the heat transfer rate of aluminum alloy is very fast, it is easy to form condensation during use in summer. In severe cases, water droplets will be produced.

　　 The two types of air outlets have their own characteristics, so you can choose according to your needs.

　　 5. Signal line:

　　Signal cables are not expensive, and shielded signal cables are generally used. You can rest assured in this area.