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Timing set on Extractor

This topic originated from the How to page called Installing wiring for an extractor fan
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Krisc

from United Kingdom

Joined: 21 Jun 2007
Posts: 5
Location: Edinburgh,
United Kingdom

PostPosted: Thu Jun 21, 2007 12:16 pm Reply with quote

Hi, I have had a timer extractor fan fitted, its only markings are 'Model H113' and it looks quite cheap. It has a timer fitted but it stays on too long. Is it possible to change the setting?
Help please, its keeping me awake.
Kris
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Chivers7

from United Kingdom

Joined: 17 Jan 2007
Posts: 276
Location: Surrey,
United Kingdom

PostPosted: Thu Jun 21, 2007 12:28 pm Reply with quote

Normally there's an adjustment screw under the cover. make sure you switch off and you'll need a small screw driver to do the job
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Krisc

from United Kingdom

Joined: 21 Jun 2007
Posts: 5
Location: Edinburgh,
United Kingdom

PostPosted: Thu Jun 21, 2007 1:03 pm Reply with quote

Thanks, does the adjustment screw look like a small diod with a very small arrow on it by any chance?
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Taylortwocities

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PostPosted: Thu Jun 21, 2007 1:40 pm Reply with quote

Most do, there's a variable resistor under that arrow. Turn one way will be minimum time, the other maximum.
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Krisc

from United Kingdom

Joined: 21 Jun 2007
Posts: 5
Location: Edinburgh,
United Kingdom

PostPosted: Mon Jun 25, 2007 6:52 am Reply with quote

The prayer quoted, is that for my benefit? Seeing as this is a HELP forum i dont mind opening my big mouth and asking an expert. Let me know anytime you need help with Metal forming processes or are you an expert on that also?
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Spark123

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PostPosted: Mon Jun 25, 2007 7:05 am Reply with quote

The signature is only normally used for a witty remark and will appear at the bottom of every one of his posts, I don't think he is getting at you personally icon_wink.gif
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Taylortwocities

from United Kingdom

Joined: 27 Jul 2006
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PostPosted: Mon Jun 25, 2007 8:24 am Reply with quote

Thanks spark. Its on the bottom of all posts in an attempt to be witty and also as a reminder to me to keep my eye on the ball. I was trying to be helpful in my suggestion.

So no offence meant, whats the update on the fan problem BTW?
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Krisc

from United Kingdom

Joined: 21 Jun 2007
Posts: 5
Location: Edinburgh,
United Kingdom

PostPosted: Mon Jun 25, 2007 8:45 am Reply with quote

No offence taken then....... I thought it was slightly underhand, but i took it as directed at me. Not as a reminder for yourself. And seeing as i knew nothing about the subject.......blah blah.

Your advice was good, just as i thought. Although Im thinking about disconnecting the direct live altogether and leaving it controlled by the light switch. The room is only a wee toilet and hand basin. No shower.
Thanks for your help, may i suggest a new prayer.

When i get asked a question, keep it in my mind.
Whomever asked the question, is trying hard to find,
The answer that i hold, somewhere in my head
And if its one i cannot answer, i best go back to bed.

Cheers
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Taylortwocities

from United Kingdom

Joined: 27 Jul 2006
Posts: 12482
Location: Oxfordshire,
United Kingdom
Thanked: 1027 times

PostPosted: Mon Jun 25, 2007 9:05 am Reply with quote

Nice rhyme.
Re fan, I dont think it will work if u just remove the live - the switched live is a trigger and the logic board needs perm live or it wont work.

remove the perm live (and put a little term block on it so it is safe.)
put a small piece of wire between the live and switched live terminals then the fan will come on and off with the light.

Oh yes, turn off the power first!
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jj4091

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Joined: 01 Dec 2006
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Location: Cumbria,
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PostPosted: Mon Jun 25, 2007 9:14 am Reply with quote

I would recommend that you keep a timer conrolled fan if it is in a small toilet, any smells will not have time to be removed if you only have it connected to the light, I'm not sure if it is a building reg that you have to have a fan with a timer in those situations.
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Krisc

from United Kingdom

Joined: 21 Jun 2007
Posts: 5
Location: Edinburgh,
United Kingdom

PostPosted: Mon Jun 25, 2007 9:26 am Reply with quote

Thanks JJ,

I dont ever intend on 'pitching a loaf' in this tiny wee room, even with the fan on the air can get a bit thick.
Originally it was to be a shower room so a fan is required ( as you would know) for that, a redraft seen us remove the shower and have it left as a WC.
The fan bugs my happiness, I only ever clean me molars in this room and its good enough for me if its on with the light.

Cheers
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