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quarkz

Help with fan speed control switch

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Hi,

I need to install a fan speed control as my exhaust fan in the toilet is too loud. However, I am not able to get it working. In my socket, I have 3 live, 3 neural and 3 ground wires. May I know why this is so in the 1st place?

Next I have attached the circuit diagram of the controller switch. but how should I connect? there's 1 to 4 where I can connect. It's stated that 1 and 4 are L (live). So I tried conecting 2 live wires to 1 and 1 live wire to 4.

It can't work. So I place 2 neural wires to 3 to 1 neural wire to 2. Also can't work.

Any idea?

Thanks.

IMG_20210827_215248_DRO.jpg

 

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