Whirlpool 4B74966B User manual

I I .
IMPORTANT:
Read and save
these instructions.
IMPORTANT:
Installer: Leave lnstallcrtion Instructions
with the appliance.
Homeowner: Keep Installation Instructions
for future reference.
Save Installation Instructions for local
inspector’s use.
Part No. 4B74966B/4358149 Rev, C
Microwave
Hood
Combination

Before you start.. .
Proper installation isthe installer’s
responsibility.
A qualified technician
should install this microwave oven. Make
sure you have everything necessary for
proper installation. It isthe responsibility
of the installer to comply with the installation
clearances specified either on the serial/
ratina blateor in the Installation Instructions.
If sp%fied on the serial/rating plate, the
plate is located behind the microwave
oven door on the front frame of the
microwave oven.
II I
Forcomer Installattons, allow
enough clearance to fully open
door so that rack and cooking
utensils can be removed.
Check location where microwave oven
will be installed. The wall must be strong
enough to support the microwave oven
welght of 150 Ibs., plus the welght of any
items placed inslde the microwave or the
upper cabinet. The location should be
away from strong draft areas, such as
windows, doors, and strong heating vents.
The microwave oven should be located
for convenient use In the kitchen.
Electrical ground Isrequired. See
Electrical requlrements.
power supply cord hole
I I
rb-3”’ mln. cabinet openlng
wldth
t 4
15’ mlnlmum mlcrowave
oven to cooking surface
or countertop
Wall construction should
be a minimum of 2’ x 4
wood studding and 3/8”
thickness drywall or
30’ mln. cZaronce from
top of template to
cooking surface or
countertop
Remove all packaging material from
inslde microwave oven. Check the
mlcrowave oven for damage - see
WARNING for excessive microwave
energy exposure. If any damage is
evident, do Not operate the microwave
oven until it is checked by an authorized
Whirlpool service technician.
Property Damage
Place a portion of carton or
another heavy material over the
countertop or cooktop before
installing the microwave oven.
Do Not use a plastic cover.
Failure to protect cooking
surface or countertop could
result in oropetty damage.
NOTE:
Do Not use this microwave oven
for commercial purposes. This
microwave oven is designed for
househdd use onty.
4 spring
toggle-heads
2, l/4’ x 2’ bolts 4 114’ x 2’ lag screws
ds
1,power cord clamp and 2 tapplng screws
1,mountin B screw rbrlaht-colored)
(dark-co ored)
1 power cord
bushlng
2 nner screens
I
Use templates Included with
lnstallatlon Instructlons.
Tools and
materials needed
for installation:
310’ and 314
ffood drill bits
ey hole saw
- -
flhlllips screwdriver
&yY&
measuring tape
-
carton or another heavy material
for coverlng countertop
Special hardware and tools are
required for brick or masonry walls.
At least four anchor baits must be
anchored into the wall and the
mounting area must be capable of
meeting the 150 lb.-weight
requirement.
Remove all contents from the upper
cabinet.
Important: Observe all governing codes
and ordinances.
Excesstve Mlcrowave Energy
Exposure
DDo Not attempt to operate this
mlcrowave oven with the door
open.
l Da Not tamper with or defeat
the safety interlocks.
l Do Not ptace objects between
the microwave oven front face
and the door.
l Do Not allow soil or cleaner
residue to accumulate on
sealing surface of microwave
oven door. ,_
l Do Not operate microwave
oven if it isdamaged.
l The microwave oven door
must close properly to provide
safe operation. Do Not use
microwave oven if door isbent;
hinges and latches are broken
or loose; or door seals, sealing
surfaces or glass is broken.
l The microwave oven should
only be adjusted and repaired
by a qualifted repair person.
l Have a qualiied repair wrson
check for microwave leakage
if a repair k made.
Failyre to use microwave oven
except as hstructed may resutt in
exposure to excessiie
microwave energy.
Personal Injury Hazard
Two people are required to lift
thls mlcrowaveoven.
Failure to use more than one
person during installation may
result in personal injury.
l Thismicrowave oven must be
mounted against and sup-
ported by a flat, vertical wall.
l Thismicrowave oven must be
attached with two lag screws
to a minimum of one, vertical
2” x 4” wall stud.
l Do Not mount microwave
oven to an island or peninsula
cabinet.
l The microwave oven top and
rear supporting structures must
be capable of supporting 150
Ibs., plus the weight of any
items placed inside the micro-
wave oven or upper cabinet.
Failure to mount the microwave
oven as instructed could result in
personal injury and/or property
damaae.
Electrical Shock Hazard
It is the customer’s responsibility:
l To contact a qualified electrical
installer.
l To assure that the electrical
installation is adequate and in
Electrical Code, ANSI/NFPA 70-
latest edition*, and all local
codes and ordinance:
Failure to do so could result in
fire, electrical shock or other
personal injurv
l Take special care when drilling
holes into the wall. Electrical
wires may be concealed
behind the wall covering and
contact with them could result
in electrical shock.
. locate any electrical circuits
that could be affected by the
installation of this product and
disconnect power circuit.
Failure to do so could result in
electrical shock.
LopIes ot tne standard lrstea may
be obtained from:
National Fire Protection Association
Batterymarch Park
Quincy, Massachusetts 02269
Panel A

1
Electrical
requirements
Electrical ground is required on this
aboliance.
Electrical Shock Hazard
l Electrical ground is required on
this appliance.
l If cold water pipe is interrupted
by plastic, non-metallic gaskets
or other insulating materials, Do
Not use for grounding.
l Do Not ground to a gas pipe.
l Do Not modify the power supply
cord plug. If it does not fit the
outlet, have a proper outlet
installed by a qualified
electrician.
BDo Not have a fuse in the
neutral or grounding circuit. A
fuse in the neutral or grounding
circuit could result in an
electrical shock.
mDo Not use an extension cord
with this appliance.
mCheck with a qualified
electrician if you are in doubt as
to whether the appliance is
properly grounded.
Failure to follow these instructions
could result in serious injury or
death.
If coaes permit and a separate
grounding wire is used, it is
recommended that a qualified
electrician determine that the
grounding path is adequate.
1
A 120-volt, &l-Hz, AC-only, 15- or 20-
ampere, fused electrical supply
(located in the upper cabinet as
close as possible to the microwave
oven) is required. Time-delay fuse or
circuit breaker is recommended. It is
recommended that a separate
circuit serving only this appliance be
provided.
1
Recommended
grounding method
--~ ,.
For your personal safety, this appli-
-ante must be grounded. This appli-
ance is equipped with a power supply
cord having a 3-prong 9 rounding
plug. to minimize possrb e shock
hazard, the cord must be plugged into
a mating 3-prong grounding-type wall
receptacle, grounded in accordance
with the National Electrical Code,
ANWNFPA 70-latest edition* and all
local codes and ordinances. See
Figure 1. If a mating wall receptacle is
not available, it is the personal
responsibility and obligation of the
customer to have a properly
grounded, 3-prong wall receptacle
installed by a qualified electrician.
j-prong grounding
type wall receptacle
Figure 1
Venting
requirements
Ductwork needed for installatton is
not included. Wall and roof caps
used must have back-draft damper.
Fire Hazard
l Venting system must terminate
to the outside.
l Do Not terminate the ductwork
in an attic or other enclqsed
space.
l Do Not use 4” laundry-type
wall caps.
l Do Not use plastic or flexible
plastic ductwork.
Failure to Mow recommended
venting procedures may result
in a fire.
-J
igid metal ductwork is
recommended. Flexible ductwork is
Not recommended. If flexible metal
ductwork is used. calculate each
foot of flexible ductwork as two feet
of straight metal ductwork. Flexible
elbows count twice as much as
standard elbows.
Determine which venting method
(roof-venting, wall-venting or
ventless) you need to use. This
microwave oven Is equipped for
roof- or wall-venting installation.
Some models cannot be Installed
using the ventless (recirculating)
method.
The length of the ductwork and
number of elbows should be kept to
a mlnlmum to provide efflclent
performance. The size of ductwork
should be uniform. Do Not Install two
elbows together. Use duct tape to
seal all joints in the duct system. Use
caulking to seal exterior wall or roof
opening around cap. Figures 2-5
show common venting methods
and types of materials needed.
Note: If the rear exhaust method is
chosen, be sure ihat there is proper
clearance within the’wall for the
ductwork,
Roof venting Wall venting
Figure 2
3-l/4 x lo’duct
through-the-roof
Figure 3
ei’-p
3-l/4’ x 10 through-the-wall
Figure 4
wgll cap
&g
-
.I- 114’x lo’ to round
- tiuctwork transltton
Figure 5
Recommended duct len
Use 3- l/4’ x 10’ or 6” duct. T
i!
th
e total
length of the duct system including
straight duct, elbows, transitions, wall
or roof caps must not exceed the
equivalent of 140 feet of 3-l /4” x 10”
rectan ular or 6” diameter round duct.
For bes performance, use no more7
than three 90” elbows. To calculate
the length of system you need, add
the equivalent feet for each duct
piece used in the system. See the
following examples:
3-l/4’ x 10’ duct system
1-6’to31/4”x 10
.Wetbow =25ft.
1wall cap =4Oft.
8feet straight = 8ft,
Length of
31/&x 10’system =73ft.
6” duct sysrem
1- transition = 5ft.
_~~-
transltlon
2 - 90” elbows =20ft.
1- wall coo = 4of?.
8feet straight = 8 ft.
Length of 6” system = 73 ft.
Recommended standard
fittings
I 3-w x 10’ I
3-1/4’x lo’ roof I 3-l/d x lo_
to6’=5lt. cap=241. .QPelbow=25 Il..I
If the existing duct is round, a
rectangular-to-round adapter must be
used and a rectangular 3’ extension
duct between the damper assembly
and the adapter must be installed to
prevent sticking of the exhaust
damper.
Venting
preparation
Elect&l Shock Hazard
. Do not pull 01sfretch blower
wiring.
Pulling and stretching Mwer
wiring could re&t h electrical
shock.
l Reimert wires In cltps before
reinstalling blower unit hto
microwove oven.
Failure to da sa could resutt h
ele&icalshc~k.
Panel B

This mlcrowave oven is shipped wrtn
the blower assembled for
.roof-venting installation,
Adjustments must be made for
wall-venting and ventless
installation, Follow the instructions for
preparing your microwave oven for
the type of venting method you
need.
For all installations:
II
grille 1
a Remove the three screws from
the grille on the top front of the
microwave oven. Remove the
grille. Set grille and screws aside.
screw
b. Loosen rod retainer screws and
remove wall mounting plate from
the rear of the microwave oven.
Roof-vented installation:
Align the damper/duct connector with
the vent on top of the microwave
oven. Damper should be on top of
tab. Use two tapping screws (bright-
colored) to attach damper/duct
connector to the microwave oven.
Wall-vented installation:
blower
plate
a, Remove and save rne SIXblower-
plate screws. Remove blower plate
from microwave oven.
b. Carefully lift the blower unit out of
the microwave oven, slipping wires out
of clips.
c. Rotate blower
unit end over en
Rotate the unit
90” so that the
exhaust ports
face the rear of
the unit. Slip
wires into clips at
the upper left
blower
plate A
e. Reattach blower plate to
microwave oven so openings face
rear of microwave oven.
Floor Damage
Slide range onto cardboard or
hardboard before moving
across floor.
Ventless (recirculating)
installation:
Failure to do so may damage
floor covering.
blower
plate
a. Remove and save the six blower-
plate screws. Remove blower plate
from microwave oven.
b. Carefully lift the blower unit out of
the microwave oven.
c. Rotate blower unit l/4 turn so that
the exhaust ports face the front of the
unit.
d. Lower blower unit back into
microwave oven.
e. Reattach the blower plate to
microwave oven with the six blower-
plate screws,
Now start.. .
with microwave oven in kitchen.
i n Remove shipping materials and
parts from inside microwave oven.
2
n Disconnect and move a
freestanding range out of the
cabinet opening to provide easler
access to the upper cabinet and
back wall. Put a thick, protective
covering over a cooktop, set-in
range or countertop to protect from
damage and dirt.
3
n Using a plumb line and
measuring tape, determine and
clearly mark a vertical center line on
the wall in the area the microwave
oven is to be installed. Find and mark
the location of the wall stud(s) on the
wall; then measure and mark their
location on the wall template. If
one wall stud cannot be found in the
area the microwave oven is to be
installed, consult a local building
contractor. Do Not attempt to
install microwave oven if a wall stud
cannot be found.
4
w Center wall template in
opening by lining up the plumb line
on wall with center line on wall
template. Make sure the minimum
width is30 inches and that the top of
the wall template is located a
minimum of 30 inches above the
cooking surface. Securely tape or
tack the wall template to the wall.
Note:
l If cabinets are not plumb, adjust
the wall template to the cabinets.
l If front edge of cabinet is lower
than the back edge, adjust the
wall template so that it is level with
the cabinet front.
hand corner of
blower unit.
d. Place blower unit back into
microwave oven.
Panel C

16.
18.
Wctrical Shock Hazard
-.m
lake special care when drilling
holes into the wall. Electrical
wires may be concealed
behind the wall covering and
contact with them could resuli
in electrical shock.
uppercablnet template
m
t--------7
m
L.,,---- J 0)
‘0 f ----“1 O0
L-m -e-m I
000000000000
0 00000000000 0
wall template
8
n Drill a l/2” hole for the
mounting rods at points “J’ and “K’
on the wall template.
cabinet frontcabinet front filler blockfiller block cabinetcabinet
I bottom shelf
6
n Find the points on the wall
template labeled “D’, “E’, “F’. and
“G’. Drill a 3/16” diameter hole at
.. . ..
the points mar are over a wail
stud and a 3/4” diameter hole at the
points that are over drywall.
-
I I II4
I I
5
n Measure the bottom of the
upper-cabinet frame. Trim the
edges *A’, “B’, and “C’ on the
upper-cabinet template so that
the template will fit on the bottom
of the upper cabinet. If upper
cabinet has a recessed frame, trim
template so that it ftts inside the
recessed area. Align the centerline-
of the upper-cabinet template with
the centerline of the wall template;
then securely tape or tack the -
upper-cabinet template in place.
9
w Drill a 3/8” hole at points “L’
/ w Using a thin nail to probe the
wall, find and clearly mark the two
template points closest to the center
of the wall stud(s) located within the
shaded area marked “H’ on the wall
template. Drill a 3/16” hole into the
wall stud(s) at the two stud marks.
and “M’ on the upper-cabinet
template. Place a washer over each
l/4” x 2” bolt. Then insert a bolt down
through each hole in the upper
cabinet bottom,
Panel D

If bottom d upper cabinet is
recessed 3/4” or more, align 2” x 2”
filler blocks of required thickness (not
included) with the shaded squares
marked “N’ and “P’ on the upper-
cabinet template. Mark the cut-out
position on the filler blocks through
the upper-cabinet holes “L’ and “M’.
Drill 3/B” diameter hole at the marks
on filler blocks. Attach filler blocks to
upper cabinet with the two l/4” x 2”
bolts and washers.
Electrical Shock Hazard
Install power-supply-cord
bushing around hole drilled in a
metal cabinet. Failure to do so
could result in electrical shock.
IO
Cut or drill a 2” diameter
n hole at the area marked
“power-supply-cord hole’ on the
upper-cabinet template. If upper
cabinet is metal, install
power-supply-cord bushing around
the edge of the hole to prevent
dcmage to the cord from the rough
metal edge.
11
Determine which venting
, method (roof-venting, wall-
venting or ventless) you need to use.
This microwave oven is equipped for
roof- or wall-venting installation. Some
models cannot be installed using the
ventless (recirculating) method.
12
To vent through the roof,
w cut out the rectangular
area marked ‘R’ on the upper
cabinet template.
To vent through the wall, cut out the
rectangular area marked “S’ on the
wall template.
Remove the upper-cabinet and wall
templates.
13
n Install ductwork throuqh
the vent opening in the upper- -
cabinet or wall. Complete the
venting system through the wall or
roof according to the method
needed. See Venting requirements
and Venting preparation. Use -
caulking to seal exterior-wall or rdof
opening around exhaust cap.
tlng plate
spring
toggle head
14
Insert lag screws through
n the holeson the
mounting plate (“H’) where the
mounting plate will be attached to
a wall stud. Insert toggle bolts at
“D’, “E’, ‘F’, and “G’, where it will
be attached to dry wall.
1 l,wall spring
toggle head
toggle bolt
l
&m \I;
mounting plate cI
Aitach a spring toggle head to the
end of each toggle bott. Leave at
least one wall-thickness of space
between the mounting plate and the
end of the spring toggle head so that
the spring toggle head can properly
open on the other side of the wall.
I
I
\
B Damper must be on~top of
15
iabfor pro5 Venti@
If wall-venTedjnstallation
n is used. attach damper to
rear of mounting plate. Align
3-l/4” x 10” duct with damper and
see that damper moves freelv.
Position the mounting plate on the wail
making sure that the top of the
mounting plate is 3/16” below the
bottom of the cabinet frame. Insert
the toggle bolts and sprin
heads through the drywal B toggle
holes and
start the la
stud holes. B screws through the wall- ighten bolts and screws to
secure mountinn nlclte to wall.
rear -
mounting
plate
16
n
Insert a flat-blade
screwdriver throuah
turn-rod clearance holes in -
mounting plate and into retainers.
Move screwdriver around to make
sure the retainers move freely. If
retainers do not move freely, loosen
toggle bolts and lag screws, and
readjust mounting plate.
Personal Injury Hazard
Two peopie are required to Iti
this microwave. Failure to use
more than one person during
installation may resutt in
personal injury.
17
Carefully lift the
n microwave oven and
hang it on the tabs at the bottom of
the mounting plate. Reaching
through upper cabinet, thread
power cord through the power-cord
hole in the bottom of the upper
cabinet.
19
Using a flat-blade
n screwdriver, push in and
thread the turrrrod screws clockwise
until they are tight in rear,
mounting-plate nuts. Check that the
microwave is securely fastened to
the mounting plate.
I
Damage-Hazard I
Wure the microwave oven
with the two mounting bolts
inserted through the upper
cabinet holes. Failure to do so
could result in personal injury
and/or property damage.
20
n Tiahten the bolts inserted
in the uppercabinet holes until the
gap between the upper cabinet and
microwave oven is closed.
I
I
] pqw:r-supply-cord clamp
I .I 1 \
21
Use the power-supply-cora
n clamp to bundle the power
supply cord and install the power-
supply-cord clamp, using screw as
shown, to the inside of the cabinet.
22
w Reattach grille to the front
of the microwave oven with the
three grille screws.
e-m23
Grasp lilrer screen witn one
n hand holding the tab and
the other hand holding the opposite
end. Insert the end of the filter screen
without the tab into the opening and
slide filter screen toward the front of
the microwave oven.
18
Swing the microwave
w oven upward so that the
to.p of the oven meets the top of the
mounting plate. Hold oven securely.
Panel E

If microwave oven
does not operate...
C;heCk that the circuit breaker ISnot
tripped or the house fuse blown.
Check that the power supply cord is
plugged into the wall receptacle.
If you need
assistance.
I
Inseti the tab end of filter screen into
the opening and slide entire screen
toward the back of the microwave
oven until screen is securely in positior,
Repeat for other filter screen.
24
Plug in the power supply
m cord.
The Whirlpool Consumer Assistance
Center will answer any questions about
operating or maintaining your
microwave hood combination not
covered in the Installation Instructions.
The Whirlpool Consumer Assistance
Center is open 24 hours a dav. 7 davs a
week. Justbial l-800-253-13Oi- the’
call is free.
25
Read your Use & Care
. Guide, then check the
operation of your microwave oven.
Whirlpool microwave oven.
To get the most efficient use
from your new microwave oven,
read your Whirlpool Use& Care
Guide. Keep Installation Instructions
( Congratulations! 1
and Guide close to microwave oven
for easy reference. The Instructions
will make reinstalling your
Pan NO. 487A9W3/4358 149 Rev. C
(b lG93 Whirlpool Corporation
When you call, you will need the
microwave oven model and serial
number. Both numbers can be found
on the serial/rating plate behind the
microwave oven door on the front
frame of the microwave oven.
Ifyou need service...
II I the event-your Whirlpool appliance
should ever need service, call the
dealer from whom you purchased the
appliance or a Whirlpool-authorized
service company. The dealer or service
company is listed in the Yellow Pages
of your phone directory under
“Appliances - Major - Service or
Repair.” You can also obtain the name
and number by dialing, free within the
continental United States, The
- /
Whifl 01
ip”
CCUPORATK)N
Prepared by Whirlpool Corporation, Benton Harbor, Michigan 49022 Printed in USA.
Y.,‘hi Wmi Constimsi Assistance Cen:cr
“P
number - 1-800-253-l 301. A special
operator will tell you the name and
number of your nearest Whirlpool-
authorized service company.
Maintain the quality built into your
Whirlpool appliance - call a
Whirlpool-authorized service company.
Accessory kits
Acc&sory Kit No. 4158264 - Brown
4158439 -White
4158311 -Black
Filler panel kits are available from
your Whirlpool parts dealer to use
when installing this microwave oven
in a 32”- or 42”-wide opening. The
filler panels come in pairs and each
panel is3’ wide.
- Filler panels 2
Accessory Kit No. 4 158440
A smoke deflector kit for some
models is available from your
Whirlpool parts dealer to use when
installing this microwave oven
over cooking products with grill
or griddle.
See your Whirlpool dealer for details.