\,I ‘I
,I’1 I’,
J
,“11
centerline,
W Determine and clearly mark a
vertical centerline on the woli and cabinet
in the area the vent opening will be mode.
cabinet
Mark 5-l/8” and 5-7/a” in from bock wall
along the centerline on underside of
cabinet. Use these points as centers to
draw 7-l /8” circles on underside of cabinet.
Use a sober saw to cut the openings for the
ductwork. Repeat for the underside of the
top of the cabinet. This will create slotted
openings.
fromWwaii
(not cabinet
frame)
I
t
centerline
7.
To wire through fop,
mark o line
7-l /2” from the right of the centerline on
the underside of the cabinet. Mark the
point on this line that is l-3/8” from bock
wall. Drill a l-l /4” diameter hole through the
cabinet at this point.
To make a 4” x
I 0.
-l/2” rectangle on the
underside of cabinet top and bottom:
a.
Mark lines 1” and 5” from the bock wall
on the centerline of the underside of
cabinet.
5-l/h”
5-114”
l
from wail, not
cabinet frame
l
from wail, not
cabinet frame I
centerline
To wire through rear,
mark a line 7-l /2” from
the right of the centerline on the wall. Mark
the point on this line that is 64-5/a” from the
floor (or l-3/8” from underside of cabinet).
Drill a l-l /4” diameter hole through wall at
this point.
\
\
To transition from a 3- l/4” x 10” rectangular
duct to a 7” round duct and vent through
the roof -
Start by making a 4” x 1 O-l /2” rectangle on
the underside of cabinet bottom:
a.
Mark lines 1” and 5” from the bock wall
on the centerline of the underside of
cabinet.
Now, make a 7-l /8” x 7-5/a” slot on the
underside of the cabinet top:
b.
Mark lines 5-l /4” to the right and left of
the centerline on the underside of
cabinet.
c. Use sober and keyhole sows to cut a
rectangular opening for duct.
b.
Mark lines 5-l /4” to the right and left of
the centerline on the underside of
cabinet.
c. Use sober and keyhole sows to cut a
rectangular opening for duct.
d.
Repeat steps
a-c
for the underside of
the top of the cabinet.
If venting through the wall with 3- l/4” x 10”
rectangular duct -
To make a 4” x 10-l /2” rectangle in the wall:
a.
Measure from floor 65-7/a” and 62-3/8”
(or l/8” and 3-5/8” down from underside
of cabinet) and mark on the centerline
on the bock wall.
b.
Mark lines 5-l /4” to the right and left of
the centerline on the underside of
cabinet.
c. Use sober and keyhole sows to cut Q
rectangular opening for duct.
i,
1
k
cabinet
cutouts ,
d.
Mark lines 4-l /2” and 5” from the bock
wall on the centerline on the underside
of the top of cabinet.
e. Draw two 7-l /8” circles using the marks
mode in step
d
as center points.
f.
Use sober and keyhole sows to cut a
slotted (oval) opening to make installing
7” round duct easier.
Panel C
