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3

Electrical requirements

IMPORTANT:

Observe all governing

codes and ordinances.

It is the customer’s responsibility:

To assure that the electrical installation is
adequate and in conformance with
National Electrical Code, ANSI/NFPA 70
— latest edition*, and all local codes and
ordinances.

You must have:

✓ 

120-volt, 60Hz, AC-only, 15 or 20 amp,
fused (or circuit breaker) grounded
electrical supply. 

outlet located as close as possible to
the microwave oven.

We recommend:

a time-delay fuse or circuit breaker.

a separate circuit serving this
appliance only.

If codes permit and a separate ground
wire is used, it is recommended that a
qualified electrician determine that the
ground path is adequate.

Recommended ground
method

For your personal safety, this appliance
must be grounded. This appliance is
equipped with a power supply cord
having a 3 prong ground plug. To
minimize possible shock hazard, the cord
must be plugged into a mating 3 prong
ground-type wall outlet, grounded in
accordance with the National Electrical
Code, ANSI/NFPA 70 — latest edition*,
and all local codes and ordinances.

Copies of the standards listed may be obtained
from:
* National Fire Protection Association

One Batterymarch Park
Quincy, Massachusetts 02269

Electrical Shock Hazard

Plug into a grounded 3 prong outlet.

Do not remove ground 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

Installation steps

1.

Remove contents from the bottom

shelf of your cabinet.

2.

Location of template: Select the

easiest position to work from, either on
the inside bottom of the cabinet or the
underside of the cabinet to locate the
template.  

When putting the template in place, make
sure the front of the cabinet is directly
above the front of the microwave oven
cabinet, not the microwave oven door.

Go to “Template instructions” on next
page.

3.

Once the template is in place and

taped down, use a center punch, or a nail,
to mark the position of the 4 holes, as
shown on the template.  Remove the
template.

4.

Drill 4 holes through the cabinet 

at the marked locations, using a 1/2" 
(12.7 mm) drill bit.

5.

Remove the four plugs from top of

microwave oven cabinet. Be sure to save
these plugs.  If the microwave oven is
used later as a countertop model, these
plugs will need to be replaced.

6.

If the cabinet has a front frame

extending below cabinet bottom go to
Step 6a.

If the cabinet does not have a front frame
extending below the cabinet bottom go to
Step 6b.

6a.

If the cabinet has a front frame

extending below cabinet:

Measure the distance from the bottom of
the cabinet to the bottom of the front
frame, to determine which of the
mounting screws provided, (short or
long) and how many of the spacers
provided, will need to be used to install
the oven properly. 

WARNING

Excessive Weight Hazard

Use two or more people to move and
install microwave oven.

Failure to do so can result in back or
other injury.

3 prong 
ground plug

3 prong
ground-type
wall receptacle

ground prong

power
supply cord

Slide the correct number of spacers on
the back mounting screws only.

Insert each screw into a threaded hole in
the top of the oven. Turn each screw three
or four times to start the screw into the
threaded hole

6b.

If the cabinet does not have a

front frame extending below the cabinet
bottom:

Slide one spacer
over each of the
four mounting
screws or, for a
smaller gap, use
1/4” I.D. flat
washers available
from hardware
store.

Insert each screw into a threaded hole in
the top of the oven. Turn each screw three
or four times to start the screw into the
threaded hole. 

7.

Lift the

microwave oven
so the mounting
screws enter
into the four
holes in the
bottom of the
cabinet.  Slide
the mounting
holders onto the
necks of the mounting screws.

8.

Slowly tighten the four screws

evenly until the oven is completely secure
and level.

9.

Plug power supply cord into a

grounded 3 prong outlet.

To get the most efficient use from
your under-the-cabinet microwave
oven, read your Use and Care
guide.

front frame
of cabinet

spacers

A

supplied spacers or 
1/4" I.D. flat washers

Distance “A”

Number of

spacers

0 – 1/2" (0 – 12.7 mm)

0 – 2

1/2" – 3/4" (12.7 mm – 19.1 mm)

2 – 3

3/4" – 1" (19.1 mm – 25.4 mm)

3 – 4

Summary of Contents for 8204864/3828W5U0311

Page 1: ...t No 8204864 3828W5U0311 Quick Reference Table of Contents Pages Before you start Product dimensions Location Electrical requirements Installation steps 2 2 2 3 3 www whirlpool com IMPORTANT Installer Leave Installation Instructions with the homeowner Homeowner Keep Installation Instructions for future reference Read and save these instructions for local electrical inspector s use IMPORTANT Read a...

Page 2: ...or similar center punch hammer the installation hardware items are in a small bag packed below the oven 4 1 3 8 mounting screws 4 2 3 8 mounting screws 2 mounting holders 8 1 4 spacers template 2 WARNING Your safety and the safety of others are very important You can be killed or seriously injured if you don t follow instructions You can be killed or seriously injured if you don t follow instructi...

Page 3: ...4 holes as shown on the template Remove the template 4 Drill 4 holes through the cabinet at the marked locations using a 1 2 12 7 mm drill bit 5 Remove the four plugs from top of microwave oven cabinet Be sure to save these plugs If the microwave oven is used later as a countertop model these plugs will need to be replaced 6 If the cabinet has a front frame extending below cabinet bottom go to Ste...

Page 4: ...t edge of the cabinet If necessary cut some areas of the template in order to make it fit properly on the underside of cabinet See NOTE at bottom of page If cabinet has only a front frame extending below the cabinet bottom and no partition Measure the thickness of the frame Fold template along guide line that matches the frame thickness Place the folded edge of template against the back side of fr...

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