Bosch WTVC6330US User Manual - Page 18

Exhaust vent, Required Ductwork, Parts

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system, make sure that all ducting is clean and free of lint. The maximum permitted length for rigid duct and for rigid duct used with flexible metal duct is shown in the table below. If using flexible metal ducting to connect the appliance to the ductwork system, the total length of flexible metal duct used shall not exceed 2.4 m and can only be used to connect the dryer to the ductwork system. As the table below shows, the maximum overall ductwork length is reduced if flexible ducting is used. Maximum Ductwork Length Number of Rigid Duct 90° Turns or Elbows Flexible Duct in Combination with Rigid Duct 0 66 ft. 45 ft. (2011 cm) (1372 cm) 1 56 ft. 36 ft. (1707 cm) (1097 cm) 2 48 ft. 29 ft. (1463 cm) (884 cm) 3 39 ft. 22 ft. (1189 cm) (671 cm) 4 30 ft. (914 cm) 16 ft. (488 cm) Note: Side and bottom exhaust installations have a 90° turn inside the dryer. Take this into account when using the table above. The use of more than two 90° turns are not recommended. For best performance, separate all turns by at least 4 ft. of straight duct, including distance between last turn and exhaust hood. Keep exhaust ductwork as short and as straight as practical. This will increase air flow and result in shorter drying times. Do not allow exhaust ductwork to be longer than necessary. Longer ductwork will reduce airflow and will result in longer drying times. Do not allow exhaust ductwork to be crushed or otherwise constricted. Constricted ductwork will reduce airflow and result in longer drying times. Constricted ductwork could reduce exhaust airflow enough to cause an error condition, halting the dryer cycle. Check to be sure the exhaust duct is not crushed or constricted. Exhaust vent hood The exhaust duct must end with an approved exhaust vent hood with swing out damper(s). DO NOT use an exhaust vent hood with magnetic latches. To avoid exhaust restriction, the outlet must be a minimum of 12 inches (30 cm) above ground level or any other obstructing surface. Required Ductwork Parts The parts required for the exhaust air system (elbows, lines, exhaust air outlets) are not included in standard delivery of the dryer (see the Accessories section for information on ordering parts.) Professional installation of ductwork is recommended. 18

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18
system,
make
sure
that all ducting
is
clean
and free
of lint.
The maximum permitted
length for
rigid duct
and for
rigid duct used with
flexible metal
duct
is shown in the
table
below.
If using
flexible
metal ducting
to
connect the
appliance
to
the
ductwork
system,
the
total
length of
flexible
metal duct
used shall
not exceed 2.4
m
and can only be
used to
connect the
dryer
to
the
ductwork system.
As
the
table below
shows,
the
maximum
overall ductwork length
is
reduced if
flexible ducting
is used.
Maximum Ductwork
Length
Number
of
90°
Turns
or
Elbows
Rigid Duct
Flexible Duct
in
Combination
with
Rigid
Duct
0
66
ft.
(2011
cm)
45
ft.
(1372
cm)
1
56
ft.
(1707
cm)
36
ft.
(1097
cm)
2
48
ft.
(1463
cm)
29
ft.
(884
cm)
3
39
ft.
(1189
cm)
22
ft.
(671
cm)
4
30
ft.
(914
cm)
16
ft.
(488
cm)
Note:
Side and bottom exhaust installations
have a 90°
turn
inside
the
dryer.
Take
this into
account
when
using the
table
above.
The use of more
than
two
90
°
turns
are
not
recommended. For best
performance,
separate
all turns
by at
least 4
ft.
of straight
duct,
including
distance between
last
turn and exhaust
hood.
Keep exhaust
ductwork
as
short
and
as
straight
as
practical.
This
will
increase air
flow
and
result
in
shorter
drying
times.
Do not allow
exhaust
ductwork
to
be
longer than
necessary.
Longer
ductwork
will reduce
airflow
and
will
result in longer
drying
times.
Do
not
allow
exhaust
ductwork
to
be
crushed
or
otherwise
constricted.
Constricted
ductwork
will
reduce
airflow
and
result
in
longer drying
times.
Constricted
ductwork
could
reduce
exhaust
airflow
enough
to
cause
an
error
condition,
halting
the
dryer cycle.
Check
to
be
sure
the
exhaust duct is
not
crushed
or
constricted.
Exhaust vent
hood
The exhaust
duct
must
end
with
an
approved
exhaust
vent
hood
with
swing
out
damper(s).
DO NOT
use an
exhaust
vent
hood
with magnetic
latches.
To
avoid
exhaust
restriction, the
outlet
must
be
a
minimum of
12±inches
(30
cm) above
ground
level
or any other
obstructing
surface.
Required Ductwork
Parts
The parts
required
for
the
exhaust air
system (elbows,
lines,
exhaust air
outlets) are
not
included
in
standard
delivery of
the
dryer
(see
the
Accessories
section
for
information
on
ordering
parts.)
Professional installation
of ductwork
is
recommended.