fans | Page 7

fans

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  1. S

    Fitting dol contactor for 415 v3 phase fans

    I have to fit dol contactor for 415v 3phase fans where the contactor must switch at 110volt how is this done please.
  2. C

    New Consumer Unit Continuity Test For Ceiling Fans

    HI I am having my first assesment on Friday and am changing a consumer unit. I am very new to electrics and have a question about the continuity test. The house has celing fans in every room and are very heavy, is there a way to test the lightning circuit for continuity without taking down...
  3. S

    fans and speed controllers

    been wiring up fans and fan speed controllers today in a commercial kitchen, from the speed controller ther is a 4 core cable up to fan isolator switch then 4 core to the fan ( brown, black and grey + cpc) is there a specific order in which these cable should go in the connections, coloured tape...
  4. D

    extractor fans

    is it alright to use mains voltage extractor fans in a toilet with just a sink and a kitchen it does nt need to be low voltage does it?
  5. Lou7

    Bathroom fans

    Does it have to be a run on timer/humidity or can I use a trickle fan with boost..?
  6. Amp David

    Destratification Fans

    Can anyone advise or reccommend a make or brand of destratification fans. Had an equiry to fit 4 with speed control into a factory unit. Never installed them before, so don't kmow which are good or bad.
  7. S

    Extractor fans and dimmer switches

    Hi guys, quick question. Has anyone had experience of putting an extractor fan with run on timer on a dimmer switch? Will it work? Any help greatly appreciated. Thanks in advance. Steve
  8. A

    vortice fans without speed controller

    Was asked to do away with a speed controller for a vortice 23 9 ar wall fan. The customer just wants the fan to work straight from a switched spur. I have taken out the speed controller and there is a 4 cores going to the fan. I know which the neutral is and have identified the L1, L2 & L3...
  9. L

    Fusing of extractor fans.

    Hi All, Just had our annual NICEIC inspection and all went OK we passed,:) !! anyway during the conversation it came up that there had been an instance of a 4" fan going up in flames. At the court hearing it came down to either the contractor was at fault or was it the fan. The manufacturers of...
  10. J

    xpelair sweep fans

    Evenin All! Just wondered if anyone has any experience with industrial sweep fans? Ive just replaced some in a factory, and the client thinks that they are going the wrong way. Important that i add, the existing wiring means that we can only run these in the one direction. The idea is that...
  11. G

    Heat recovery fans

    I was wondering if any of you guys ever fitted a heat recovery fan. Does anyvody rate them as doing the job they are supposed to do. I am considering fitting one in my bathroom next year.
  12. Q

    Bathrooms, Extractor fans and Building Regs.

    Existing bathroom full refurbs (not new builds): aiming to keep costs as low as possible. Existing extractor fan working OK (several years old), client doesn't want a new one. 1: Is it OK to remove whist refurbing then replace? or once removed, MUST a new one be fitted to comply with regs? 2...
  13. S

    Ductless Fans?

    Anybody ever installed one of these and are they any use. Went to a clients house today to drill out through the wall for ducting for an extractor fan i a bathroom and she's informed me she wants a ductless fan?? Surely these wouldn't be efficient getting rid of moisture?
  14. keniff

    extract fans

    does anyone know if what im saying is correct, if a bathroom or anywhere that needs an extract fan has natural light the fan does not need to switch on with the light, if the room has no natural light the fan HAS to activate with the light. i cant remember but was having a convo with another...
  15. M

    Push heat back down with fans?

    Industrial unit I am working at has a ground floor room approx size of 7m long 6 wide and 4m height, within that area is a new open stair way approx 2.5m x 3m square with a height of 2.4m on first floor. The plumber will be heating the ground floor area with radiators and suggested to my...
  16. R

    WIring 12v fans

    Hi i am currently wiring my parents bathroom, they have 2 fans which are both in a zone 1 area. Is it possible for me to wire both fans off 1 transformer ?
  17. L

    drilling 4" holes for fans

    recently i have been been coring holes for bathroom fans through outside walls and been taking ages to do it upto an hour when it should only take 25mins at most do you recon i should start drilling it on hammer with the diamond core bit allthough it can screw the bit up i am using a makita 8406
  18. N

    Humidistat Fans

    Hi, Does a humidistat fan need a Switched Live, it seems that it doesn't need to go ON with the light but just whenever the sensor says so. In that case does it just need a Permy Live and Neutral? Cheers Nick
  19. K

    New build - kitchen fans

    Need to pick brains again . Got some new build jobs comming up and need clarification on whether you need to install a kitchen fan even if it has a ventilated cooker hood? Ive heard that it needs to extract 60ltrs/min. Not quoted for this as developer hadn't requested it for the quote. Feel a...
  20. C

    Extractor fans

    On a fan isolator you have a 3 core go to it cus you need a sw a perm feed and neutural am I right? Then a 3 core out to fan, well assuming I am right does this mean you can only wire off the first light of a circuit because that's where your perm feed goes into your loop and if you go off last...

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