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Installation tips
–
For best drying results, avoid extra
long ducting with too many bends or
angles. Avoid ducting in tight
corners.
–
Use flexible metal pipe or rigid metal
pipe for venting. Non-metallic flexible
hose should not be used since it is a
potential fire hazard.
–
The shorter the exhaust ductwork,
the more efficient the dryer will be.
Expelled air is slowed down in the
ducts due to friction against the inner
walls. The shorter and smoother the
inner walls are, the less friction that
will be created.
An elbow or bend creates more
friction than a straight duct. An
additional duct length factor must
therefore be added for each elbow or
bend (see Table 1.) This factor
expresses the restistance of the
bend in terms of a straight length of
duct.
The additional length factor is then
added to the measured duct length
to give the effective duct length.
A larger duct diameter helps to
reduce friction. The duct diameter
should therefore be increased with
increasing duct length.
INSTALLATION INSTRUCTIONS
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