The bathroom is a place where household life is used very frequently, and some bathrooms have no windows, resulting in poor ventilation and unpleasant smells. In this case, people usually install an exhaust fan in the bathroom to solve this problem. So what's so special about bathroom exhaust fan installation ? Let's learn about it together. First, the type of bathroom exhaust fan 1, press the inlet and outlet points Exhaust fan is divided into wall type by inlet and exhaust ports (both sides of the wall hole are free space, from one side to the other side of the wall), duct exhaust type (side from the free space Gas, on the other side through the duct exhaust), duct intake type (one side through the duct inlet, and the other side to the free space exhaust), full-conductivity type (the exhaust fan is placed on both sides of the duct, through the duct Intake and exhaust). 2, divided by the air flow According to the air flow, it is divided into centrifugal type (air enters from the direction parallel to the rotation axis, and discharges perpendicular to the axis), axial flow (air enters from the direction parallel to the rotation axis, still discharges parallel to the axis), and cross flow Formula (air inlet and outlet are perpendicular to the axis). 3, divided by ventilation Exhaust fan ventilation mode, discharge type, and three types of use. The discharge type enters the air from the natural air inlet, exhausts the dirty air through the exhaust fan; the suction type sucks fresh air through the ventilation fan and discharges the dirty air from the natural exhaust port; and the use type is that the suction and the exhaust are completed by the ventilation fan. Second, bathroom exhaust fan installation process Before installation: 1. Before installing the fan, check whether the fan is intact and whether the fastener bolts are loose or fall off. Whether the impeller has a wind shield or not, carefully check whether the blades or louvers are damaged during transportation. 2. When installing and selecting the air outlet environment, it should be noted that there should not be too many obstacles within the 2.5 -3M opposite the air outlet. During installation: 1, the installation is stable. When installing the fan, pay attention to the horizontal position of the fan, and adjust the level of the fan and the foundation water to be stable. After the installation, the motor must not be tilted. 2. When installing the fan, make the adjusting bolt of the motor in a convenient position to adjust the elasticity of the belt when it is convenient to use. 3. When installing the fan bracket, make sure that the bracket and the foundation plane water are stable, and if necessary, install the angle iron next to the fan to reinforce it. 4. After the fan is installed, check the surrounding tightness. If there is a gap, it can be sealed with a sun plate or glass glue. The installation is complete After installation: 1. Check whether there are any leftover tools and debris left inside the fan. Use hand or lever to move the blade to check if there is overtightness or scratching. Check whether there is anything that impedes the rotation. No abnormality is allowed before the test run. 2. If there is abnormal noise or other abnormal phenomenon of the fan vibration or motor's “嗡嗡†during operation, it shall be shut down for inspection. Third, bathroom exhaust fan installation and use matters needing attention 1. The installation of the exhaust fan must be reliable and firm, and should be more than 2.3m away from the ground; 2. The distance between the exhaust fan and the roof must reach 5CM or more; 3, remember that the ceiling type should not be installed in places where there is much soot and dust, and it is necessary to leave the high temperature source; 4. Wall type with fan can be ventilated and ventilated in all places and can also be used for oil smoke; 5, to remind everyone when using the socket power supply, the power cord should be connected to meet the safety standards of the plug; 6. The yellow-green color lines in the power cord of the exhaust fan must be grounded; 7, exhaust fan power as much as possible to access all-pole switch; 8, the top of the ceiling must be set inspection hole; 9. Remind everyone to avoid backflow of gas through the open airways and other pyrotechnic devices; 10. Do not bend the pipe into a V-shape or bell-bell shape to obstruct air circulation; 11, the room must be opened with addition of air intake to ensure fresh air; 12. During the operation of the exhaust fan, do not pour water on the body. 13. The exhaust fan friendship reminds the user that when the exhaust fan is dismantled or cleaned, the power must be turned off. Summary: The above is the relevant information about the bathroom exhaust fan organized by Xiao Bian. I hope to help you. If you want to learn more about the health fan, you can pay attention to this site decoration information channel. 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