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Anonymous users2024-01-23This is not necessarily, if the centralized public restroom is used in a combination of exhaust fans and ventilation ducts in Class 1 high-rise buildings, it is necessary to close the fire damper of the corresponding fire floor and cut off the power supply of the corresponding exhaust fan, and if it is only an exhaust fan, the power supply of the fire zone is cut off when the fire is extinguished. The power was directly turned off, but the exhaust fan was required to have a check valve to prevent gas stringing after the fire.
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Anonymous users2024-01-22There are no rules for acceptance regardless of your bathroom.
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Anonymous users2024-01-21Hello, is the nature of the company, hotel, or factory.
According to the person in charge of an exhaust fan sales office, there are three types of household exhaust fans on the market: ceiling type, wall-mounted type and window type. Zhengye GENUIN, BNN-LONON, Panasonic Panasonic, Midea Midea, Jinling These are the top 10 brand portals to buy the exhaust fan industry brand list introduction, you can go to understand, or buy a better brand.
Expert Answers:
1: The exhaust fan should be installed as close to the original air duct as possible, which is in line with the principle of shortest pipeline. >>>More
The main method is to check two aspects, one is whether the exhaust fan has discharged the air, whether the pipe is blocked, whether the check valve is dusty, can not be opened, whether the tuyere is blocked, the other is to check whether the air volume of the exhaust fan is enough, generally need 10 times the volume of the bathroom space for the appropriate exhaust air volume, three is not the exhaust fan needs to be cleaned, whether there is too much dust on the wind wheel, and then there is whether the exhaust fan is long, the motor is aging, and the speed is slow. The lubricating oil in the bearing is dry, if you need more professional consultation, you can consult, static electromechanical technology, we will provide you with a detailed plan for the selection of bathroom exhaust fans.
It depends on the requirements of your exhaust fan. Usually 100mm. That is, DN100 is enough.
Rewire the line I drawn.
1: Two lights are connected to each other. >>>More