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Microwave Hood Combination
PRODUCT MODEL NUMBERS
MH1160XS
MH2175XS
MH1170XS
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.
VENTING REQUIREMENTS
Roof venting
roof cap
3-1/4" x 10"
through-the-roof
Recommended standard fittings
3-1/4" x 10"
3-1/4" x 10"
to 6" = 5 ft.
roof cap = 24 ft.
90° elbow
3-1/4" x 10"
45° elbow
6" = 10 ft.
wall cap =
6" = 5 ft.
40 ft.
If the existing vent is round, a rectangular-
to-round adapter must be used and a
minimum 3" (7.6 cm) clearance must exist
between the top of the microwave oven and
the rectangular to round transition piece so
that the damper can open freely and fully.
Because Whirlpool Corporation policy includes a continuous commitment to improve
our products, we reserve the right to change materials and specifications without notice.
OVERALL DIMENSIONS
CABINET OPENING DIMENSIONS
NOTE: There must be
at least one wall stud
within cabinet
opening.
Wall venting
For wall or roof venting methods:
If the wall exhaust method is chosen, be sure that
there is proper clearance within the wall for the
exhaust vent.
Wall and roof caps must have back-draft damper.
We recommend:
✔ using rigid metal vent.
✔ that length of vent and number of elbows should
be kept to a minimum to provide efficient
3-1/4" x 10"
performance.
90° elbow = 25 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"
flat elbow =
10 ft.
We do NOT recommend:
✔ flexible metal vent.
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.
Space between cabinets must be 30" (76.2 cm)
minimum and be free of obstructions.
66" (167.6 cm)
minimum from
floor to top of
wall mounting
plate.
wall cap
3-1/4" x 10"
through-the-wall
Dimensions are for planning purposes only. For complete details, see Installation
Instructions packed with product. Specifications subject to change without notice.
12" to 14" (30.5 to 35.6 cm)
cabinet depth recommended
30" (76.2 cm) typical from bottom edge of
upper cabinet frame or, if frameless, from
cabinet's exterior bottom surface to cooking
surface.
Recommended vent length
A 3- " x 10" (8.3 x 24.5 cm) rectangular or 6" (15.2 cm)
round vent should be used. The total length of the vent
system including straight vent, elbow, transitions, wall or
roof caps must not exceed the equivalent of 140 feet
(42.7 m) for either type of 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" (8.3 x 25.4 cm) vent system
6 ft.
A
(1.8 m)
2 ft.
A.
1 - 3-1/4" x 10" (8.3 x 25.4 cm)
(0.6 m)
90° elbow
B.
1 - wall cap
8 feet straight
Length of
3-1/4" x 10" system
6" (15.2 cm) vent system
B
(1.8 m)
2 ft.
A. 1 - transition
(0.6 m)
B. 2 - 90° elbows
C. 1 - wall cap
8 feet straight
Length of 6" system
A
B
= 25 ft. (7.6 m)
= 40 ft. (12.2 m)
= 8 ft. (2.4 m)
= 73 ft. (22.2 m)
6 ft.
C
= 5 ft. (1.5 m)
= 20 ft. (6.1 m)
= 40 ft. (12.2 m)
= 8 ft. (2.4 m)
= 73 ft. (22.2 m)
Ref. 8206555
05-30-06
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