®
Microwave Hood Combination
CABINET OPENING DIMENSIONS
PRODUCT MODEL NUMBERS
A
B
KHHC209OS
NOTE: The grounded 3 prong outlet
must be inside the upper cabinet.
Electrical: A 120-volt, 60-Hz, AC-only, 15- or
20-amp electrical supply located in the upper
cabinet as close as possible to the microwave
oven hood. A time-delay fuse or circuit breaker
and separate circuit is recommended.
*33" (83.2 cm) is typical for 69"
(175.3 cm) installation height. Exact
dimension may vary depending on
type of range/cooktop below.
30"
(76.2 cm)
min.
33"
(83.2 cm)
typical*
12" (30.5 cm) min.
13" (33.0 cm) max.
OVERALL DIMENSIONS
69" (175.3 cm) min.
18¹⁄₄"
(46.4 cm)
29⁷⁄₈" (76.0 cm)
15¹⁄₂"
(39.4 cm)
18¹⁄₄"
(46.4 cm)
A. 2" x 4" wall stud
B. Grounded 3 prong outlet
VENTING REQUIREMENTS
Roof venting
Wall venting
roof cap
Recommended vent length
Use 3-1/4" x 10" or 6" vent. The total length of the vent system
including straight vent, elbow, transitions, wall or roof caps
must not exceed the equivalent of 140 feet of
wall cap
3-1/4" x 10" rectangular or 6" diameter round vent. For best
performance, use no more than three 90° elbows. To calculate
the length of system you need, add the equivalent feet for
each vent piece used in the system. See examples below.
3-1/4" x 10"
through-the-wall
3-1/4" x 10"
through-the-roof
3-1/4" x 10" vent system
For wall or roof venting methods:
Recommended standard fittings
3-1/4" x 10"
90° elbow
If the wall exhaust method is chosen, be sure that
there is proper clearance within the wall so the vent
fits properly and the damper blade opens fully.
wall cap
6 ft.
Wall and roof caps must have back-draft damper.
We recommend:
✔ using rigid metal vent.
2 ft.
1 - 3-1/4" x 10"
90° elbow
= 25 ft.
= 40 ft.
3-1/4" x 10"
90° elbow = 25 ft.
3-1/4" x 10"
to 6" = 5 ft.
3-1/4" x 10"
roof cap = 24 ft.
✔ that length of vent and number of elbows should
be kept to a minimum to provide efficient
performance.
1 - wall cap
8 feet straight
Length of
=
8 ft.
✔ that size of vent should be uniform.
✔ using duct tape to seal all joints in the vent
system.
✔ using caulking compound to seal exterior wall or
roof opening around cap.
✔ two elbows should not be installed together.
3-1/4" x 10" system
= 73 ft.
6" vent system
90° elbow
3-1/4" x 10"
90° flat
3-1/4" x 10" 45° elbow
90° elbows
6 ft.
6" = 10 ft.
wall cap
5 ft.
= 20 ft.
= 40 ft.
8 ft.
wall cap =
40 ft.
6" = 5 ft.
elbow= 10 ft.
If the existing vent is round, a rectangular-
to-round adapter must be used and a
rectangular 3" extension vent between the
damper assembly and the adapter must be
installed to prevent sticking of the exhaust
damper.
We do NOT recommend:
✔ flexible metal vent.
1 - transition
2 - 90° elbows
1 - wall cap
=
2 ft.
NOTE: If flexible metal vent must be used, calculate
each foot of flexible metal vent as two feet of rigid
metal vent. Flexible metal elbows count twice as
much as standard elbows.
8 feet straight
=
Length of 6" system = 73 ft.
transition
Because Whirlpool Corporation policy includes a continuous commitment to improve
our products, we reserve the right to change materials and specifications without notice.
Dimensions are for planning purposes only. For complete details, see Installation
Instructions packed with product. Specifications subject to change without notice.
Ref. 8206590
04-17-07
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