General
,
Before operating the tumble
dryer, a suitable ducting system
must be installed to carry the moist
air from the dryer to the outside.
The dryer must be disconnected from
the mains electricity supply whilst the
ducting system is installed.
The venting outlet (e.g. in a wall) should
be installed in such a way that the moist
expelled air:
. .cannot be drawn back into the room
in which the dryer is installed;
. . . cannot cause any damage to the
building or other nuisance.
The dryer uses the room air. It is
therefore essential to ensure adequate
ventilation to avoid the danger of
asphyxia caused by gases given off by
other appliances being drawn back into
the room. Insufficient ventilation will
also cause drying times to be
considerably longer.
Ventilation can be maintained by:
–
an open window,
–
air inlets in the external wall of a
minimum of 150 cm
2
which cannot
be closed or blocked, or
–
a window switch which prevents the
dryer being used when the window is
closed.
Avoid:
–
very long ducting systems.
–
too many tight bends or corners.
Otherwise the drying result will be less
effective, and it will take longer and use
more energy.
Suitable materials
–
for the ventilation ducting:
flexible ducting* or plastic piping
with a diameter of at least 100 mm.
–
for venting to the outside:
a wall pipe kit* or a window vent kit*.
(* optional extras)
Installation - extraction ducting
42
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