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Timer on a Bathroom extractor fan

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  • 27-02-2012 11:36pm
    #1
    wait4me
    Registered Users Posts: 2,050 ✭✭✭


    A friend has an apartment with an interior (no windows) bathroom. The extractor fan stays on for 45 minutes after the light is switched off. I opened it up to take a look and the innards has a PCB with a little cogged wheel 'type thingy' (with a tiny screwdriver groove) attached which I presume is for adjusting the time delay. Of course there is no brandname for the fan :rolleyes: Question - clockwise to increase; anti to decrease the time delay? And what time roughly should the fan keep going, for say, after a bath or shower? Thanks in advance


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    #2
    meercat
    Registered Users Posts: 4,745 ✭✭✭meercat


    anti-clockwise to decrease

    about 10 mins over-run should suffice


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    #3
    wait4me
    Registered Users Posts: 2,050 ✭✭✭wait4me


    The lowest I can get it down to is 28 mins. Better than 45 but still a long time.


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    #4
    Bruthal
    Closed Accounts Posts: 13,422 ✭✭✭✭Bruthal


    Thats too long, there must be something wrong with the timer circuit.


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    #5
    wait4me
    Registered Users Posts: 2,050 ✭✭✭wait4me


    robbie7730 wrote: »
    Thats too long, there must be something wrong with the timer circuit.
    Well I think that I have turned it fully anti-clockwise...:confused:


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    #6
    wait4me
    Registered Users Posts: 2,050 ✭✭✭wait4me


    I went at this again. Fully anticlockwise and now the min time is 31 minutes. Can you buy new timer circuits as I have a feeling that this one is kaput?


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    #7
    nolnah
    Registered Users Posts: 30 ✭nolnah


    wait4me wrote: »
    A friend has an apartment with an interior (no windows) bathroom. The extractor fan stays on for 45 minutes after the light is switched off. I opened it up to take a look and the innards has a PCB with a little cogged wheel 'type thingy' (with a tiny screwdriver groove) attached which I presume is for adjusting the time delay. Of course there is no brandname for the fan :rolleyes: Question - clockwise to increase; anti to decrease the time delay? And what time roughly should the fan keep going, for say, after a bath or shower? Thanks in advance

    Do not under estimate the time it takes to clear condensation from an in clossed bath room. I went to repair a similar system that was tripping the main fuse board. On inspection it was filling up with water that had condensed in the outlet tube due to the fan not running long enought to dispel all the moister in the air. This could have been a near death accident if not checked in time.


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