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PRODUCT MODEL NUMBERS
GH4155XP
MH2155XP
Electrical: A 120 Volt, 60 Hz, AC only, 15- or
20-amp fused electrical supply (or circuit breaker)
is required. (A time-delay fuse or circuit breaker is
recommended.) It is recommended that a separate
circuit serving only this appliance be provided.
VENTING REQUIREMENTS
A 3 " x 10" (8.3 x 25.4 cm) rectangular or 6" (15.2 cm) round vent should be used.
The total length of the vent system including straight vent, elbow(s), transitions and wall
or roof caps must not exceed the equivalent of 140 ft (42.7 m) for either type of vent.
For best performance, use no more than three 90° elbows.
To calculate the length of the system you need, add the equivalent length for each vent
piece used in the system. See the following examples:
A
D
A. Rectangular to round transition piece: 3 " x 10" to 6" = 5 ft
(8.3 x 25.4 cm to 15.2 cm = 1.5 m)
B. Roof cap: 3 " x 10" = 24 ft (8.3 x 25.4 cm = 7.3 m)
C. 90° elbow: 3 " x 10" = 25 ft (8.3 x 25.4 cm = 7.6 m)
D. 90° elbow: 6" = 10 ft (15.2 cm = 3 m)
E. Wall cap: 3 " x 10" = 40 ft (8.3 x 25.4 cm = 12.2 m)
F. 45° elbow: 6" = 5 ft (15.2 cm = 1.5 m)
G. 90° flat elbow: 3 " x 10" = 10 ft (8.3 x 25.4 cm = 3 m)
6" (15.2 cm) vent system = 73 ft (22.2 m) total
A
2 ft
(0.6 m)
C
A. Two 90° elbows = 20 ft (6.1 m)
B. 1 wall cap = 40 ft (12.2 m)
C. 1 rectangular to round transition piece = 5 ft (1.5 m)
D. 2 ft (0.6 m) + 6 ft (1.8 m) straight = 8 ft (2.4 m)
Because Whirlpool Corporation policy includes a continuous commitment to improve
our products, we reserve the right to change materials and specifications without notice.
Microwave Hood Combination
OVERALL DIMENSIONS
B
C
E
F
G
B
6 ft (1.8 m)
D
CABINET OPENING DIMENSIONS
66" (167.6 cm) min.
3 " x 10" (8.3 x 25.4 cm) vent system = 73 ft (22.2 m) total
A
2 ft
(0.6 m)
A. One 3 " x 10" (8.3 x 25.4 cm) 90° elbow = 25 ft (7.6 m)
B. 1 wall cap = 40 ft (12.2 m)
C. 2 ft (0.6 m) + 6 ft (1.8 m) straight = 8 ft (2.4 m)
Dimensions are for planning purposes only. For complete details, see Installation
Instructions packed with product. Specifications subject to change without notice.
A
B
30"
(76.2 cm)
min.
12" (30.5 cm) min.
14" (35.6 cm) max.
A. 2" x 4" wall stud
B. Grounded 3 prong outlet
B
6 ft (1.8 m)
C
Ref. 8183878
08-22-05
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