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Anonymous users2024-01-23The ventilation fan height is determined based on the height of the ceiling. The switch is generally about a meter, and it should be on a horizontal line with the indoor lamp switch.
There is no norm for this, but there are a few principles to grasp: >>>More
Installing a higher power exhaust fan will make the air transfer time faster. Generally, there is a practical formula for exhaust fan installation, and the size of the window glass is greater than the size of the exhaust blade plus 45 mm. The commonly used louvered exhaust fan can be installed about meters from the ground.
About 30 cm is enough.
The invention of the toilet is known as a great invention, which solved the problem of people eating and drinking in and out of Lazar. Later, it gradually evolved into a flush toilet using the principles of siphon, spiral siphon, and now the latest jet siphon and super-siphon type. >>>More
Flick the fan blade with your hand to feel if there is a lot of resistance. If anything, it is the lack of fuel that makes it difficult to start. If it feels smooth, the problem may be with the light (bad contact) or the starting capacitor (except for shaded pole motors).
The toilet ventilation fan keeps ringing, it may be the sound of the passage wind backflowing, and check whether the socket is leaking with an electric pen. Since the ventilation fan switch is not turned on, there will be no electricity, and there is no power consumption. There are newspapers in your city with formal convenience service information, and you can make a phone call to inquire about the problem with the ventilation fan.