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Mounting
1. Ceiling mounted ventilation should be ducted through the roof space, by
ducting to an external soffit under the eaves or grille in the slope of your roof.
NB: Ducting installed between a floor and ceiling can only run between joists, not
across them.
2. Mark the position of the vent fascia with a pencil in a suitable position on the
ceiling, making sure that it is between the joists.
3. Drill a 9mm hole through the ceiling anywhere along the edge of the pencil
line. Now cut out the hole with a pad saw.
4. Hold the vent fascia against the ceiling and mark the position of the fixing
holes. Fix the unit in place using suitable heavy duty plasterboard fixings (not
supplied).
5. Attach flexible ducting with the metal hose clamps. Ensure that the ducting
has a smooth flow towards the motor body to minimise air resistance. Follow a
similar procedure for the outside wall grille. Extra ducting may be used to extend
the distance to the external grille but performance will be reduced.
6. Install the Cyclone Inline fan within the loft or ceiling space (ensuring correct
direction of air flow using arrows on the fan). The fan is suitable both for
horizontal on a wall (fig. A) or a floor (fig. B). When mounting the fan ensure
there is a minimum of 1m straight ducting to the motor body (see fig.B). Attach
the flexible ducting to the fascia with the metal clamps supplied.
g. A horizontal on a wall
min 1m
g. B horizontal on a oor
Do not mount vertically
3
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