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Anonymous users2024-01-24That is, when the heat inside the ventilation fan reaches a certain temperature, the overheating protector will disconnect the power supply, so that the exhaust fan can not be energized, to protect the motor, to prevent fire, the superheat protector is divided into two kinds, one is bimetallic, the other is fused, the temperature control of the fused superheat protector is accurate, but a fuse can not be recovered, need to replace a new one, and the bimetal sheet can be reused many times, the temperature drops, the circuit is restored, but the temperature error to achieve overheat protection is relatively large, Once the temperature of the ventilation fan reaches a relatively high level, it means that there is a problem in the motor of the exhaust fan, and then continue to use, there will be potential safety hazards, so the general fuse will no longer be restored, and the static electromechanical technology can provide you with answers to the questions in the use of the exhaust fan.
The check valve of the ventilation duct fails, and the odor returns. >>>More
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.
Installation method: 1. The exhaust fan installed on the aluminum gusset ceiling is equipped with metal fasteners matching the ceiling keel, which can be installed directly; 2. Installed on the outer wall of the bathroom, the hole should be opened in the wall first, and the hole diameter should be determined according to the size of the exhaust fan. 3. Installed on the wall of the exhaust pipe reserved in the bathroom, it needs to be equipped with a check valve to prevent odor crossing, and it is also necessary to punch holes with an impact drill and fix the expansion screws.
Remove an aluminum plate and make an exhaust fan bracket on top to fix the exhaust fan installation.
Is it windy when you hold on? If anything, it's that the pull wire switch is broken. The pull wire switch is dual-purpose, one is to open the outer cover, and the other is to turn on the power! >>>More