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Fanrunon - delayed turn-off for bathroom extractor fan

  1. KrisBlueNZ

    KrisBlueNZ Sadly passed away in 2015

    8,393
    1,266
    Nov 28, 2011
    KrisBlueNZ submitted a new Showcase Item:

    Fanrunon - delayed turn-off for bathroom extractor fan

    Read more about this showcase item here...
     
    Last edited by a moderator: Nov 3, 2014
    hevans1944 likes this.
  2. hevans1944

    hevans1944 Hop - AC8NS

    4,201
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    Jun 21, 2012
    Funny you should post this, as I am in the process of remodeling my bathroom, adding an exhaust fan, an infrared heat lamp for use after stepping out of the shower, and an overhead light inside the shower. I already have a switched pendant light over the toilet and six 60 W incandescent "Hollywood style" lamps flanking the medicine cabinet, and six convenience outlets connected to a GFI circuit-breaker wired up and working. I installed a two-gang box for the fan and shower lamps, but haven't decided which of two switches turns on the fan, infrared lamp, and shower lamp. Your circuit will be an easy add-on to control the exhaust fan, but I think I may need a mechanical timer switch if I add the 250 W infrared heat lamp to the circuit with the fan. Or maybe I could replace the two-gang box with a three-gang box, add another switch for the infrared heat lamp and use two of your Fanrunon circuits.

    BTW, the resistor R2 and the capacitor C2 are identified on the schematic as R1 and C1 respectively.
     
  3. chopnhack

    chopnhack

    1,571
    349
    Apr 28, 2014
    goto $ ; Croak - go gaga - loop forever

    LOL

    Don't forget to include:

    fetch current time
    if time == 0300
    then goto $ //loop forever at 3AM :p
    else return 0;
     
    KrisBlueNZ likes this.
  4. chopnhack

    chopnhack

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    Apr 28, 2014
    Well, if we are going to post commercial made items, then I would go with: Leviton
    I have used other products made by them and have always found them to be of great quality. They even make mechanical versions still in case you are concerned with high humidity levels in the washroom.
     
    Last edited: Nov 3, 2014
  5. KrisBlueNZ

    KrisBlueNZ Sadly passed away in 2015

    8,393
    1,266
    Nov 28, 2011
    The reason for that design is that there's no Neutral available. If Neutral is available, there are lots of off-the-shelf solutions that would probably be better.
    Thanks for the correction! I'll check through the text for anything else.
     
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