KitchenAid Khms155lss 3 Manual

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VENTING DESIGN SPECIFICATIONS
This section is intended for architectural designer  and builder/contractor reference only.
NOTES:
 ■Vent materials needed for installation are not provided with microwave hood combination.
 ■We do not recommend using a flexible metal vent.
 ■To avoid possible product damage, be sure to vent air outside, unless using recirculation installation. Do not vent exhaust air into concealed spaces, such as spaces within walls or ceilings, attics, crawl spaces or garages.
For optimal venting installation, we recommend:
 ■Using roof or wall caps that have back draft dampers.
 ■Using a rigid metal vent.
 ■Using the most direct route by minimizing the length of the vent and number of elbows to provide efficient performance.
 ■Using uniformly sized vents.
 ■Using duct tape to seal all joints in the vent system.
 ■Using caulking compound to seal exterior wall or roof opening around cap.
 ■Not installing 2 elbows together for optimal hood performance.
If venting through the wall, be sure that there is proper clearance within the wall for the damper to open fully.
If venting through the roof, and rectangular to round transition is used, be sure there is at least 3" (7.6 cm) of clearance between the top of the microwave oven and the transition piece.  See “Rectangular to Round Transition” illustration.
Rectangular to Round Transition:
NOTE: The 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.
Recommended Standard Fittings
The following length equivalents are for use when figuring vent length. See the examples in “Recommended Vent Length.”
Roof ventingRoof cap
Wall venting Wall cap
A
B
C
E
F
D
3 (7.6 cm)
A.
A                           B                            C
D                  E                    F                G
A. 
						

							Recommended Vent Length
A 31/4" 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. See “Recommended Standard Fittings” section for equivalent lengths.
For best performance, use no more than three 90° elbows.
To calculate the length of the system you need, add the equivalent lengths of each vent piece used in the system. See the following examples:
31/4" x 10" (8.3 x 25.4 cm) vent system = 73 ft (22.2 m) total:
6" (15.2 cm) vent system = 73 ft (22.2 m) total:
If the existing vent is round, a rectangular to round transition piece must be used. In addition, a rectangular 3" (7.6 cm) extension vent between the damper assembly and rectangular to round transition piece must be installed to keep the damper from sticking.
ASSISTANCE
Call your authorized dealer or service center. When you call, you will need the microwave oven model number and serial number. Both numbers can be found on the model and serial number plate, which is located behind the microwave oven door on the front frame of the microwave oven.
If you need additional assistance, call us at our toll free number or visit our website listed in the User Guide.
Replacement Parts
If any of the installation hardware needs to be replaced, call us at our toll free number listed in the User Guide.
Following is a list of available replacement parts. You will need your model number located on the front facing of the microwave oven opening behind the door.
 ■Damper Assembly
 ■Mounting Plate
 ■Upper Cabinet Template
 ■Mounting Screw Kit (includes parts A-G in “Parts Supplied” in the “Tools and Parts” section)
Accessories
Filler Panel Kits are available from your dealer to use when installing this microwave oven in a 36" (91.4 cm) or 42" (106.7 cm) wide opening. The filler panels come in pairs. Each panel is 3" (7.6 cm) wide.
See your authorized dealer or service center for details.
A                                          B
C
6 ft (1.8 m)
2 ft
(0.6 m)
A.
A                                                                   B
C                                  D
6 ft (1.8 m)
2 ft
(0.6 m)
A.
A
A.
Filler Panel Kits:8171336
8171337
8171338
8171339
99403
White
Black
Biscuit
Stainless Steel
Almond
W10823835A
SP PN W10823840© 2015. All rights reserved.8/15