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INSTALLATION REQUIREMENTS

The microwave oven is set for recirculation installation. For external (wall or roof) venting, see “Venting Design Specifications” section.

Tools and Parts

Tools Needed

Gather the required tools and parts before starting installation. 
Read and follow the instructions provided with any tools 
listed here.  

Parts Supplied

For information on reordering, see “Replacement Parts” section.

NOTE: 

The hardware items listed here are for wood studs. For 

other types of wall structures, be sure to use appropriate 
fasteners.

NOTE:

 Depending on model, aluminum grease filter and charcoal 

filter may be combined.

Materials needed

Standard fittings for wall or roof venting. See “Venting Design 
Specifications” section.

Location Requirements

Check the opening where the microwave oven will be installed. 
The location must provide:

Minimum installation dimensions. See “Installation 
Dimensions” illustration.

Minimum one 2" x 4" (50.8 x 101.6 mm) wood wall stud and 
minimum 3/8" (10 mm) thickness drywall or plaster/lath within 
cabinet opening.

Support for weight of 150 lbs (68 kg), which includes 
microwave oven and items placed inside the microwave oven 
and upper cabinet.

Grounded electrical outlet inside upper cabinet. See 
“Electrical Requirements” section.

NOTES:

If installing the microwave oven near a left sidewall, make sure 
there is at least 3" (7.6 cm) of clearance between the wall and 
the microwave oven, so that the door can open fully.

Some cabinet and building materials are not designed to 
withstand the heat produced by the microwave oven for 
cooking. Check with your builder or cabinet supplier to make 
sure that the materials used will not discolor, delaminate or 
sustain other damages.

For gas cooktop, we recommend that combined cooking 
surface rating does not exceed 55,000 BTU/hr.

The microwave oven is set for recirculation mode. For external 
(wall or roof) venting, see “Venting Design Specifications” 
section.

Special Requirements

For Wall Venting Installation Only:

Cutout must be free of any obstructions so that the vent fits 
properly, and the damper blade opens freely and fully.

For Roof Venting Installation Only:

If you are using a rectangular to round transition piece, 
3" (7.6 cm) clearance needs to exist above the microwave 
oven so that the damper blade can open freely and fully. See 
“Rectangular to Round Transition” illustration in “Venting 
Design Specifications” section.

Measuring tape

Pencil

Masking tape or thumbtacks

Scissors

T10 TORX

®† 

screwdriver

No. 3 Phillips screwdriver for 
1/4-20 x 3" bolts

Electric drill

3/16" (5 mm) and 3/8" 
(10 mm) drill bits

3/4" (19 mm) hole saw

Diagonal cutting pliers

Stud finder

7/16" socket wrench
(or box wrench) for 1/4" x 2" 
lag screws

1½" (3.8 cm) diam. hole drill 
bit for wood or metal 
cabinet

Keyhole saw

Caulking gun and 
weatherproof caulking 
compound

Duct tape

A. 1/4-20 x 3" round-head bolts (2)
B. 1/4-20 x 3" flat-head bolts (2)

C. Washers (2)
D. Toggle nuts (2)

E. 1/4" x 2" lag screws (2)

F. Mounting screws (3)

G. Power supply cord bushing (1)

H. Damper assembly (for wall or roof 

venting)

I. Vent deflector (for wall or roof 

venting)

Not Shown:

Upper cabinet template
Mounting plate (attached to 
back of microwave oven)
Aluminum grease filters
Charcoal filters (Depending 
on model, charcoal filters 
may not be included. See 
Use and Care Guide.)

†®TORX is a registered trademark of Textron Innovations Inc.

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C

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Summary of Contents for KHMS2050SSS - 30" Microwave Hood Combo

Page 1: ...r Wall 7 Attach Mounting Plate to Wall 8 Prepare Upper Cabinet 8 Install the Microwave Oven 9 Complete Installation 10 VENTING DESIGN SPECIFICATIONS 11 ASSISTANCE 12 Replacement Parts 12 W10189714A You can be killed or seriously injured if you don t immediately You can be killed or seriously injured if you don t follow All safety messages will tell you what the potential hazard is tell you how to ...

Page 2: ...r builder or cabinet supplier to make sure that the materials used will not discolor delaminate or sustain other damages For gas cooktop we recommend that combined cooking surface rating does not exceed 55 000 BTU hr The microwave oven is set for recirculation mode For external wall or roof venting see Venting Design Specifications section Special Requirements For Wall Venting Installation Only Cu...

Page 3: ...round prong Do not use an adapter Do not use an extension cord Failure to follow these instructions can result in death fire or electrical shock WARNING GROUNDING INSTRUCTIONS SAVE THESE INSTRUCTIONS For all cord connected appliances The microwave oven must be grounded In the event of an electrical short circuit grounding reduces the risk of electric shock by providing an escape wire for the elect...

Page 4: ...ion For wall or roof venting changes must be made to the venting system See Venting Design Specifications section NOTE Skip this section if you are using recirculation installation Keep the damper assembly in case the venting method is changed or the microwave oven is reinstalled in another location where wall or roof venting may be used To prepare the microwave oven for wall or roof venting the v...

Page 5: ... 4 Position the damper assembly so that the long tab slides into the slot on the right side of the damper vent opening as shown Then secure with mounting screw Roof Venting Installation Only To Remove Roof Damper Vent Cover 1 Locate the roof damper vent cover on the top of the microwave oven 2 Using diagonal wire cutting pliers gently snip out the damper vent cover at the perforations 3 Save the c...

Page 6: ...e mounting plate No Wall Studs at Corner Holes Figure 1 No Wall Studs at Corner Holes Figure 2 NOTE If wall stud is within 6 15 2 cm of the vertical centerline see Mark Rear Wall section only recirculation or roof venting installation can be done Wall Stud at One Corner Hole Figure 3 Wall Studs at Both Corner Holes Figure 4 A Corner holes on mounting plate B Cabinet opening vertical centerline C W...

Page 7: ...omplete the 12 x 4 30 5 x 10 2 cm rectangle This is the venting cutout area 11 Cut a 3 4 19 mm hole in one corner of the cutout area 12 Using a keyhole saw cut out the venting cutout area DrillHolesinRearWall In addition to being installed on at least 1 wall stud the mounting plate must attach to the wall at both bottom corner holes If the holes are not over wall studs use two 1 4 20 x 3 round hea...

Page 8: ...t to go through the wall and to open 3 Position mounting plate on the wall making sure that the top of the mounting plate is aligned with the front edge of the upper cabinet 4 Push the bolt with toggle nut through the drywall and finger tighten the bolt to make sure toggle nut has opened against drywall 5 Insert a lag screw into the remaining bottom corner hole 6 If installing on a second wall stu...

Page 9: ...in the bottom of the upper cabinet 5 Rotate microwave oven up toward upper cabinet NOTE If venting through the wall make sure the damper assembly fits easily into the vent in the wall cutout 6 Push microwave oven against mounting plate and hold in place NOTE If microwave oven does not need to be adjusted skip steps 7 9 7 If adjustment is required rotate microwave oven downward Using 2 or more peop...

Page 10: ...e of 1 minute at 100 power Test vent fan and exhaust by operating the vent fan 5 If the microwave oven does not operate Check that a household fuse has not blown or that a circuit breaker has not tripped Replace the fuse or reset the circuit breaker If the problem continues call an electrician Check that the power supply cord is plugged into a grounded 3 prong outlet See the Use and Care Guide for...

Page 11: ...amper 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 tr...

Page 12: ...e 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 Use and Care Guide ReplacementParts If any of the installation hardware needs to be replaced call us at our t...

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