Broan qt20000 series Installation Instructions Manual page 2

HORIZONTAL DISCHARGE
THROUGH WALL
VERTICAL DISCHARGE
USING 3¼" x 10" DUCT
CUTOUT DIMENSIONS
1
TOP
VIEW
12"
2"
3 / "
4
ELEC. K.O.
BACK
VIEW
VERTICAL DISCHARGE
USING 7" ROUND DUCT
CUTOUT DIMENSIONS
1
TOP
7"
DIA
12"
VIEW
2"
3
/ "
4
ELEC. K.O.
BACK
VIEW
CL
1"
9"
3 1 / " x 10"
4
1"
CL
3 / "
8
3 1 / " x 10"
4
6"
1"
CL
9"
5"
7
/ "
8
CL
6"
SUPPLIED DUCT
TRANSITION
RANGE HOOD
ELBOW
(MODEL 428)
3¼" x 10"
DUCT
SUPPLIED DUCT
TRANSITION
ADJUSTABLE
ELBOW
7" ROUND
DUCT
7" ROUND
DAMPER
RANGE
HOOD
2
WALL
WALL CAP
(MODEL 639
or 649)
ROOF CAP
EAVE CAP
WALL CAP
WALL
RANGE
HOOD
ROOF CAP
ROOF
REMOVE BOTH
3¼" x 10" AND 7"
HALF ROUND
KNOCKOUTS FOR
7" DUCT
SUPPLIED 7" ROUND
DUCT TRANSITION
FIGURE 1
FIGURE 2
FIGURE 3