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centerline,
W Determine and clearly mark a vertical centerline on the woli and cabinet in the area the vent opening will be mode.
fromWwaii (not cabinet
frame)
I
t
centerline
7.
To wire through fop, mark o line
centerline
To wire through rear, mark a line
Drill a
cabinet
l from wail, not cabinet frame
\
To make a 4” x
a. Mark lines 1” and 5” from the bock wall on the centerline of the underside of cabinet.
b. Mark lines
c. Use sober and keyhole sows to cut a rectangular opening for duct.
d. Repeat steps
If venting through the wall with 3- l/4” x 10” rectangular duct -
To make a 4” x
a. Measure from floor
b. Mark lines
c. Use sober and keyhole sows to cut Q rectangular opening for duct.
Mark
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.
l from wail, not |
| |
cabinet | frame | I |
\
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
a. Mark lines 1” and 5” from the bock wall on the centerline of the underside of cabinet.
Now, make a
b. Mark lines
c. Use sober and keyhole sows to cut a rectangular opening for duct.
i,
1
cutoutscabinet k,
d. Mark lines
e. Draw two
f. Use sober and keyhole sows to cut a slotted (oval) opening to make installing 7” round duct easier.