The existing switch has common l1 and l2 with the lives currently going together into com and both neutr.
Wiring extractor fan to pull cord.
Extractor fans with an integral timer or timed switch need a 3 core and earth supply to allow the unit to run on after a light is switched off.
2019 08 16 rated 5 out of 5 by gazzer86 from fan very surprised how quite this fan is.
Wiring an extractor fan is not a task that most people will feel comfortable doing themselves.
In this video i m installing and wiring a pull cord switch.
It must also be possible to isolate the fan by means of a pull switch inside the bathroom or a fan isolation 3 pole switch outside of the bathroom.
In order to connect your new fan correctly you will need to run an extra live wire to the new fan.
Now you need to turn the power back on and try the extractor fan out.
Options include a manual pull switch and a vacuum time lag switch.
It takes no active part in the operation of the fan.
However it is something that most people are capable of doing.
Pull the cord and check that the extractor fan comes on and is blowing in the right direction.
Rated 5 out of 5 by sean123457 from great value extractor fan easy to install and reasonably quiet when running.
The bare wire is an earth wire and needs to be connected to an earth terminal.
It can also be adapted for separate switching if required.
This wiring plan will simply run the fan when the room light is on.
Im attaching a picture of each.
Because it s the last point of the circuit i decided to wire all at the switch that s why i h.
The fan i m connecting is man.
The time lag switch will allow the fan to be manually started but then run for a pre set time.