Does the extension of the air-conditioning copper pipe need additional refrigerant

Does the extension of the air-conditioning copper pipe need additional refrigerant

It's the peak season for home improvement recently, so my friends asked the editor of okmarts.com, do you charge for air-conditioning installation? In fact, there is no charge for the installation of air conditioners. However, I need to remind friends who buy air conditioners. If the copper pipes used in the air conditioners exceed the fixed length provided by the merchant when the air conditioner is installed, the extra part will be paid. Have to pay for it. Speaking of lengthening copper pipes, after the lengthening of the copper pipes, does it need to be supplemented with air conditioning refrigerant?

Does the extension of the air-conditioning copper pipe need additional refrigerant?

　　 1. How many meters after the air conditioner is lengthened to connect the pipeline, do I need to add refrigerant?

　　 Answer:

　　 According to the air-conditioning installation or maintenance process (national standards or industry-related standards), when the connecting pipes between the indoor and outdoor units of the air-conditioning installation exceed the standard length of more than 5 meters, the refrigerant should be added in time. According to different piping specifications or air conditioning models with different cooling capacities, an electronic scale is used to add refrigerant quantitatively to ensure the performance of the air conditioning (cooling and heating effect). Otherwise, the air conditioning will be in place when the air conditioning is extended by the pipeline if the refrigerant is not added in time Low cooling or heating operating pressure has always affected performance.

　　 2. What is the standard length of the connecting pipes for the indoor and outdoor units of the household split-type air conditioner?

　　 Answer:

　　The standard length of the connecting pipe of the household split room air conditioner is 5 meters in accordance with the requirements of the industry or national standards. 1 horse (cooling capacity: 2300W) to 5 horses (cooling capacity: 12500W-13000W), in the actual installation process, should try to control within 5 meters. When the length exceeds the standard 5 meters, the additional refrigerant should be added according to the operating process requirements and the specifications of the connecting pipes. The additional refrigerants for different air pipes are as follows: when exceeding each meter, 16g /Φ9.52mm air pipe per meter, 16g /Φ12. 70mm trachea per meter, 18g/Φ15.88mm trachea per meter. To ensure air conditioning performance.