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Discuss Wiring a extractor fan ??? Help please in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net

J

James.

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Hi Ive just bought a unwired 150mm two speed extractor fan and im having trouble wiring it up

Ive made up a pic. as best as i can of what it looks like .. Id like to have it wired to the low speed setting,s . I have marked high and low speed on the pic



I hope someone can help me out with this and im a well known danger when it comes to electric

Thanks in advance
 
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ian.settle1

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Mentor
Arms
Hi Ive just bought a unwired 150mm two speed extractor fan and im having trouble wiring it up

Ive made up a pic. as best as i can of what it looks like .. Id like to have it wired to the low speed setting,s . I have marked high and low speed on the pic



I hope someone can help me out with this and im a well known danger when it comes to electric

Thanks in advance
Whats the black box?

You need to give us a better drawing to sort it out.
 
J

James.

  • Thread Starter Thread Starter
  • #3
The black box is the electrical motor. sorry i should have stated that .

I dont know if this pic will help better i copyed the writing from the wiring instructions the long grey box is the terminal box
 
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A

Aerlingus

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  • #4
Not quite getting the diagram?

Still not any wiser?
 
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J

Jurassic Spark

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  • #6
It looks like `grey box` is a circuit board with in-built resistors to drop the speed down. Is this correct?
Try rigging up a temporary supply from a plug-top (3amp fuse). Connect live into LL and Neutral into N. If those wires are soldered on to the circuit board - make sure you tape up the wire going to LH to prevent back-feeding.
 
C

Cirrus

  • Thread Starter Thread Starter
  • #7
Or spend a bit more and buy a fan which is a little easier to understand and wire;)
 
J

James.

  • Thread Starter Thread Starter
  • #8
It looks like `grey box` is a circuit board with in-built resistors to drop the speed down. Is this correct?
Try rigging up a temporary supply from a plug-top (3amp fuse). Connect live into LL and Neutral into N. If those wires are soldered on to the circuit board - make sure you tape up the wire going to LH to prevent back-feeding.
Yes m8 you got it spot on once you says that i figured how it worked , The wires are not soldered they screw in i could have tryed harder with my pic sorry . but you told me what i needed to know :)

the way i had it wire was wrong to start with even know it was giving me max speed still .I had the live in LL and the neutral in LH :eek:

But now i know Neutral in N and live in eather LH or LL for high or low speed .

It seems so easy now once some 1 put me on the right rd nice one m8 thank you

Or spend a bit more and buy a fan which is a little easier to understand and wire;)
I did spend a few quid on it i thought you would have got it stright away :) Cool site
 
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