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EXTRACTOR FANS
Most fans are found in bathrooms and kitchens where you either need to expell the stale air out of the room or take
the moisture out of the room,Traditionally the the former applies to the kitchen whilst the latter referes to the
bathroom,but where there is lack of ventillationn in the kitchen then this is a necessary requirement of both functions
in the kitchen.

THE WORKINGS OF A FAN:
When the fan is switched on the blades or impeller which are attached to the electric motor rotate,and as it does,air is drawn
through the blades through the grille at the front of the unit.Most fans can be mounted in two places namely;
1.the window-which requires that you cut a hole in the glass to fit the fan inside,that requires a special cutting
tool that cuts round holes in glass.
2.the wall-this method also requires a large hole saw attached to a drill and depending on the thickness of the
wall to be drilled into can take a long time and be tedious because you cannot force the drill,it has to do the
work by itself with a little effort from you,with this method also you need to insert a tube or hose from the fan to the
outside the sahe lenght as the wall.
It depends on the type of fan you buy because some of them have automatic cut off switches in them that switch off
when the humidity in the room decreases and then switches on again when the humidity increases again.
Some will switch on automatically and some require you to switch them on manually by way of a pull cord in the bathroom.
Most or all fans need to be connected to a fused spur which should be placed near the fan in the case of the kitchen
fitting or outside in the case of the bathroom fitting.
In order for the extractor fan to work properly it needs to be positioned appropriatelly ie at a location where the stale air
leaving the room can be replaced by fresh air,so as the stale humid air is being drawn out to the outside,it is being
replaced with fresh circulating air.
To prevent back siphoning of the expelled air,a self closing grille with shutters must be installed outside,this closes
as soon as the fan is switched off to stop any air from coming back into the room.

SAFETY FIRST
Before trying to clean the fan make sure the electricity is off and the fused connection is switched off.

TROUBLESHOOTING

fan will not work

1.faulty motor-these units ar not replaceable or worth repairing-just buy a new one

2.faulty wiring-with the electricity turned off,check the wiring for loose connections

3.faulty switch-if this is beyond your capabilities then call a service engineer

Noisy or ineficient fan

1.for the fan to work at maximum capacity it needs regular maintenance and that involves removing the casing and using
a a vaccum or an air blower like a pump to remove the dust build up

more home improvement tips at :www.handymantips.co.uk

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Handman tips is a free online home improvement resource center helping you to repair,maintain and improve your home
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Article Source: ArticlesBase.com - Handyman tips-the kitchen extractor fan

This entry was posted on Saturday, November 1st, 2008 at 2:40 pm and is filed under Uncategorized. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.