What should I pay attention to when installing the fresh air system?humidifier with fan

　　(1) Pay attention to the installation of the inlet and outlet

　　The air inlets and air outlets of the indoor and outdoor are as far as possible. The best distance is generally more than 1 meter. The shortest distance must also have three times the length of the tube diameter to avoid the fresh air just entering the room and be discharged immediately.

　　(2) There are two types: top and underground in pipeline wiring

　　Take the upper upper pipelines to use a round pipe and use a flat pipe for underground pipes.

　　(3) Use oblique three -way or45 degrees elbow during transition connection

　　In order to reduce the local wind resistance, the pipeline should be avoided as much as possible. The connecting pipe can use the y -shaped oblique three links, or use two 45 -degree elbow to slowly flatten.

　　(4) Pay attention to the problem of punching on the wall

　　Installing the fresh air system must be punching (the supervisor's punching diameter is 150mm, the branch tube diameter is about 125mm-80mm) and not one or two small holes, so you must confirm which wall surfaces in the home can be poured and which cannot be performed (load-bearing walls (load-bearing walls ) If it is a new house just taken, it is best to consult if the property can be perforated.

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