Is 2way switching for a fan the same wiring as 2 way lighting??

[J_c9sh]

hi, doing some work for client and they have asked for a fan to be 2 way switched, 1 switch in utility room and the other in the bathroom next door

my query - is 2 way switching for a fan the same wiring as 2 way lighting with a permanent feed going to the fan for a run on timer??

thanks

 

[Dave 85]

If you dont understand basic circuitry you are in the wrong line of work. Draw a wiring diagram.

 

[Silly Sausage]

Think about it, it's easy!
Where would you position your 3P isolator within the cct?

 

[trev]

Could you not install a fan in each? That's what I'd be recommending

 

[Guest123]

So, is the fan in the utility room or the bathroom??

Is it the same room?? A fan in each (if seperate) would be the correct method IMO.

 

[J_c9sh]

my client is using ducts to link up both rooms with the fan extract

 

[Adam W]

I'd go for 2 separate fans as well - one in the bathroom, one in the utility room. Then you could have the fans coming on with the lights, like 'normal'.
Otherwise the lights would all come on together unless you start messing about with diodes and relays and that, by which time you might as well have installed 2 fans anyway.

 

[J_c9sh]

i would put the 3p isolator before the fan of course lol but would you use strappers , s/w, pernament feed etc like 2 way lighting

just need to know correct wiring

thanks

 

[J_c9sh]

this is what they want

utility room - 1 2g switch, one for light and one for fan
bathroom - 1 2g switch, one for light and one for fan but 2 wayed with utility room switch

lights on seperate switch

just need to know correct wiring

 

[trev]

I honestly think it'll be cheaper, quicker and a lot less hassle with two extract fans. In the long term I'd say the customer will thank you for it

 

[DurhamSparky]

another customer who knows jack.... or a spark who cant be bothered to get the core drill out....!

 

[J_c9sh]

thats lots of help that......

 

[J_c9sh]

i never installed 2 way fan control before,i have always installed 2 seperate fans as you mentioned trev but if in future i was to do it is wiring same as lighting - im going to talk to client about changing to 2 seperate fans, makes more sense

 

[DurhamSparky]

as already mentioned...! just draw a diagram...! it will be all clear as mud..!

 

[snowhead]

Light = item of electrical equipment.
Fan = item of electrical equipment.

Both require N and switched L and one requires and permanent L.
No reason why you can't 2 way switch, EXCEPT,

Upon loss of switched Live, you can see one has gone off, but the other one goes into timed off mode.
Unless you fit an indicator at each switch, you'll never be sure the fan is going to go off.