1. Calculation of the number of air fans and air volume in the room:
The need to change the amount of gas (m3) = the number of air replacement (times/oclock) per hour × room volume (M3)
Number of air replacement fans (Taiwan) = The necessary air replacement M3/The air volume of air -changing fans (M3)
2. Selection of the air inlet position
(1) When installing the air -changing fan in the sealed room, the inlet must be set;
(2) When the room is cheating as a whole, you should try to set the air inlet as possible at the place where the air change fan is changed;
(3) The air inlet should avoid pollution sources such as cigarette windows
3. Calculation of pressure loss
The pressure of the air in the air duct is frictional pressure loss and local pressure loss.The calculation method of pressure loss is more complicated, and generally completed by professionals.
When selecting and installing the pipeline, the following principles should be followed: A. The length of the pipeline is proportional to the loss of the pressure of the pipeline, and the length of the pipeline should be reduced as much as possible; b.The number of ways; C. The pressure loss of the circular section pipeline is smaller than other shapes, and the pipeline of the circular cross section should be selected as much as possible; D. The inner wall of the pipe should be smooth; F. The section of the pipeline should be kept consistent.
4. Installation requirements of air -changing fans:
(1) All the air -changing fans should be installed in a strong foundation place to avoid product operation and cause resonance to make noise;
(2) For the installation of partition wall and window glass air -type air -changing fan products, it shall not be covered in the wind surface;
(3) The connection and layout of the pipeline air -changing fan of the pipeline type shall be correctly operated according to the instructions;
(4) The construction of the air -changing fan should be carried out by electricians, and the wiring method shall not be changed at will.
5. Maintenance requirements for air -changing fans:
The air -changing fan should be maintained regularly to extend the service life of the product. The correct maintenance content is as follows:
(1) Regular cleaning, such as cleaning the wind and the impeller, it can improve the stability of the products operation and maintain the balance quality of the original product, while reducing product noise:
(2) Regularly tighten the fastener of the product;
(3) Inject lubricating oil on a regular basis for the air -containing air -changing fan;
(4) Do not use certain chemicals to wipe the air fan
The above is about the purchase installation and maintenance of the air -changing fan. I hope that the above content can help everyone. Thank you for watching and support. In the later period