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Anonymous users2024-01-24Their switches can be shared, and I used to be able to open them all in one switch.
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Anonymous users2024-01-23This is very easy to implement, as long as you expand an intermediate relay can be realized.
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Anonymous users2024-01-22It should be bad, and the exhaust air in the bathroom should not be separated from the fixed exhaust spray wet point, and the two exhaust air should be separated.
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Anonymous users2024-01-21There is no way to produce a map, and it can only be controlled according to the situation on the ground.
If it is confirmed that the power supply line of the exhaust fan has been disconnected, the rotation of the exhaust fan is a natural rotation, that is, the rotation caused by airflow.
The double switch in the bathroom is connected to the fan power supply on one side and the control coil power supply on the roof fan contactor on the other.
I cannot share it.
The exhaust fan only waits for the hot air to rise to a certain extent. >>>More
You'd better say whether the lower exhaust fan is on the ceiling or on the wall or glass to analyze the disassembly and assembly methods.
There may be a wiring problem with the exhaust fan in the bathroom, the power supply of the exhaust fan switch (live wire) is taken from the socket, and the neutral line of the exhaust fan is connected to other lines or ground wires, resulting in an unbalanced total leakage current and tripping, but because the power of the exhaust fan is small, the current is also small and close to the total leakage current, so sometimes it may not jump. >>>More