Hous ehold Appliances
Over-the-Range Microwave
Ins tallation Ins tructions
For Models: HMV9302, HMV9305, HMV9306, HMV9307
PLEASE READ ENTIRE INSTRUCTIONS BEFORE PROCEEDING
IMPORTANT: Save these instructions for the local electrical inspector’s use.
INSTALLER: Please leave these Installation Instructions with this unit for the owner.
OWNER: Please retain these instructions for future reference.
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• THIS APPLIANCE MUST BE GROUNDED!
3
YOUR SAFETY FIRST
• MAKE SURE YOU HAVE ENOUGH SPACE AND SUPPORT.
– Mount the oven against a flat, vertical wall, so it is supported by the wall. The wall should be constructed of
minimum 2" x 4" wood studding and 3/8" thick drywall or plaster/lath.
– ATTACH AT LEAST ONE of the two lag screws supporting the oven to a vertical, 2" x 4" wall stud.
– DO NOT mount the microwave oven to an island or peninsula cabinet.
– BE SURE the upper cabinet and rear wall structures are able to support 150 lbs., plus the weight of any items
you place inside the oven or upper cabinet.
– Locate the oven away from strong draft areas, such as windows, doors, and strong heating vents.
– BE SURE you have enough space. See Figure 4 below for minimum vertical and horizontal clearance.
If you do not mount the oven as ins tructed,
you ris k pers onal injury and/ or property damage.
Grounded Outlet
(inside upper cabinet)
Power Supply Cord Hole
30" min. cabinet opening width
30" min. clearance from bottom
of cabinet to cooking surface
or countertop
(Use templates included
with installation instructions)
Figure 4
CAUTION
• Before you begin installing the oven, PLACE A PIECE OF THE CARTON OR OTHER HEAVY
MATERIAL (such as a blanket) over the countertop or cooktop to protect it. Do not us e a plas tic cover.
Failure to protect these surfaces could result in property damage.
4
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PARTS, TOOLS, MATERIALS
THE FOLLOWING PARTS ARE SUPPLIED WITH THE OVEN:
Damper/ duct connector
(for roof vented or wall vented installation)
Not Actual Size
Four 1/ 4" x 2" lag screws - Actual Size
Four 1/ 4" x 3" toggle bolts - Actual Size
(for wall stud holes)
(for drywall holes)
Two 1/ 4" x 3" bolts - Actual Size
(for securing to the upper cabinet)
OR
11
Four spring toggle heads - Actual Size
centerline
10-
8"
Upper-cabinet template
R
o
o
f
-
v
e
n
t
i
n
g
i
n
s
t
a
l
l
a
t
i
o
n
10- 3 16
(for the toggle bolts)
B
C
D
8-
4"
12"
6"
5
PARTS, TOOLS, MATERIALS
YOU WILL NEED THE FOLLOWING TOOLS AND MATERIALS FOR THE INSTALLATION:
Carton or other heavy material for covering the counter top.
Clear tape
(for taping the templates to the wall)
Stud finder or thin nail.
Keyhole saw (for the power cord hole)
Saber saw (for cutting vent
holes for roof or wall venting)
Electric drill
Phillips screwdriver
3/8" and 3/4" wood drill bits
1/2" and 3/16"
drill bits
Pencil
Plumb line
Duct Tape
Flat blade screwdriver
Measuring tape (metal preferred)
Small side cutters or tin snips
Caulking gun
• If you have brick or masonry walls, you will need special hardware and tools.
• The ductwork you need for the installation is not included. All wall and roof caps must have a back-draft damper
(shown on page 5).
6
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STEP 1: PREPARE THE
ELECTRICAL CONNECTIONS
AVOID ELECTRICAL SHOCK! THIS APPLIANCE MUST BE GROUNDED!
1. Locate the grounded electric outlet for this oven in the cabinet
above the oven, as shown in Figure 4 Detail.
Upper
Cabinet
NOTE: The outlet should be on a circuit dedicated to the
microwave oven 120V, 60Hz., AC only with a 15 or
20A fused electrical supply.
IMPORTANT: If you do not have the proper wall outlet, you
Grounded Outlet
( Inside Cabinet )
MUST have one installed by a qualified
electrician.
2. You will cut the power-supply-cord hole (shown in Figure 4 Detail)
later when you prepare the wall and upper cabinet in Step 4.
Power-Supply-Cord Hole
NOTE: Do not use an extension cord.
Figure 4 Detail
Keep the power cord dry and do not pinch or crush it.
Improper grounding could res ult in
electric s hock or other pers onal injury.
• DO NOT, UNDER ANY CIRCUMSTANCES, REMOVE THE POWER SUPPLY
CORD GROUNDING PRONG! This appliance MUST be grounded!
7
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STEP 2:
PREPARE THE VENTING SYSTEM
NOTE: The ductwork you need for outside ventilation is not included with your oven. The standard ductwork
fittings and length are shown in Figure 9, page 9.
THIS OVEN MUST BE PROPERLY VENTED!
You may vent your oven in one of three ways:
Roof-venting If your oven is located on an outside wall near the roof, as in Figures 5 (31/4" x 10" duct)
and 8 (6" round duct.)
Wall-venting If your oven is located on an outside wall on the first floor of your house, as in Figure 7
(31/4" x 10" duct) and Figure 6 (6" round duct.)
Room-venting If your oven is located on an inside wall of your house, as in Figure 8.
NOTE: If you choose the rear exhaust method (roof- or wall-venting), be sure there is enough clearance within the
wall for the exhaust duct.
“roof-venting”
roof cap
roof cap
cabinet
6" min.
wall cap
diameter
3 1/4"x10"
duct
round duct
elbow
3 1/4" to round
duct transition
oven
3 1/4" to round
ductwork transition
through-the-roof
Roof-venting
Figure 6
Figure 5
“wall-venting”
room-venting
cabinet
cabinet
wall cap
oven
Wall-venting
3 1/4"x10"
duct
through-the-wall
oven
Figure 8
Figure 7
REMEMBER AS YOU INSTALL THE VENTING:
• Keep the length of the ductwork and the number of elbows to a minimum to ventilate your oven efficiently.
See examples on page 9.
• Keep the size of the ductwork the same.
• Do not install two elbows together.
• Use duct tape to seal all joints in the duct system.
• Use caulking to seal the exterior wall or roof opening around the cap.
8
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STEP 2:
PREPARE THE VENTING SYSYTEM
STANDARD FITTINGS
NOTE: If the existing duct is round, you must use a rectangular-to-round adapter, with a rectangular 3" extension
duct installed between the damper assembly and the adapter to prevent the exhaust damper’s sticking.
DUCT LENGTH
The total length of the duct system, including straight duct, elbows, transitions, wall or roof caps mus t not
exceed the equivalent of 140 feet.
For best performance, do not use more than three 90 degree elbows.
Below are the standard fittings and their equivalent length in feet.
1
2
3
3 1/4"x10"
to 6"=5ft.
3 1/4"x10" roof
cap=24ft.
3 1/4"x10" 90˚
elbow=25ft.
4
5
6
7
3 1/4"x10"
wall cap
=40ft.
3 1/4"x10"
flat elbow
=10ft.
90o elbow
=10ft.
45o elbow
=5ft.
Figure 9
To calculate the equivalent length of each ductpiece used, see the examples below.
Examples
For 3 1/ 4"x10" SYSTEMS
For 6" ROUND SYSTEMS
wall cap
o
90 elbows
6ft.
3 1/4"x10"
o
6ft.
wall cap
90 elbow
2ft.
transition
2ft.
=
=
=
=
=
5 ft.
1-transition
2-90o elbows
1-Wall Cap
1-3 1/ 4" x 10" 90o elbow
1-Wall Cap
8 feet straight duct
TOTAL LENGTH
=
25 ft.
40 ft.
8 ft.
20 ft.
40 ft.
8 ft.
=
=
=
8 feet straight
73 ft.
73 ft.
TOTAL LENGTH
9
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STEP 3:
PREPARE THE VENTING BLOWER
Your microwave oven is shipped with the blower assembled for roof venting. You need to adjust the blower if
you want wall-venting or room-vented (recirculating) installation.
ELECTRICAL SHOCK HAZARD! UNPLUG UNIT BEFORE WORKING ON IT.
• DO NOT PULL OR STRETCH THE BLOWER WIRING! Pulling and stretching the blower wiring could result in
electrical shock.
REMOVE THE MOUNTING PLATE:
1. Remove any shipping materials and parts from inside
A thick, protective
the microwave oven.
covering
2. Cover the countertop or cooktop with a thick,
protective covering to protect it from damage and dirt.
See Figure 10.
NOTE: If you have a free-standing range, disconnect it, move it
onto a piece of cardboard or hardboard and pull it away
from the wall, so that you can get closer to the upper
cabinet and back wall for easier measuring and drilling.
Figure 10
3. Remove mounting plate screw(s) (1 or 2 screws)
from the mounting plate as shown and discard
(see Figure 11).
4. This plate will be used to locate and mark the mounting
holes on the rear wall. (It will be used to locate and
mark the mounting holes on the rear wall.)
5. Locate exhaust adaptor, grease filters and hardware
packet.
Mounting
plate
6. At this point, remove any adhesive tape (if there is any),
on the exhaust adaptor, the grease filters and the
power supply cord.
Mounting plate
screw(s)
(1 or 2 screws)
ROOF-VENTED INSTALLATION:
This oven is shipped assembled for roof-vented. You
will need to install the exhaust adaptor regardless of
cabinet.
1. Attach the exhaust adaptor to the blower plate by
sliding it into the guides (see Figure 12).
Control panel side
Figure 11
Go to step 4 on page 13.
Exhaust
adaptor
Back
of oven
Figure 12
10
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STEP 3:
PREPARE THE VENTING BLOWER
WALL-VENTED INSTALLATION:
back plate
blower unit
1. Remove one blower unit mounting screw and one blower
plate screw. Remove the blower plate from cabinet.
See Figure 13.
blower plate
mounting screws
2. Carefully lift the blower unit out of the microwave oven.
3. Use side cutters or tin snips to cut and remove knockouts
“B” from Back plate. Discard knockouts. Be careful not
to distort the plate. See Figure 14.
Parts "B"
blower unit
mounting screw
4. Reassemble the blower wire. See Figure 15.
5. Rotate the unit so that the exhaust ports face the rear of
the cabinet. See Figure 16. When you insert blower unit,
blower wire must be like Figure 16.
Figure 13
6. Place blower unit back into cabinet. Check that the
exhaust ports face towards the rear of the cabinet.
See Figure 17.
Knockout Parts "B"
7. Reattach the blower plate to cabinet so the exhaust ports
and blower plate opening are aligned. Attach with one
blower unit mounting screw and then one blower plate
mounting screw. See Figure 18.
Parts "B"
Figure 14
blower
unit
exhaust
ports
Figure 16
11
STEP 3:
PREPARE THE VENTING BLOWER
blower plate
mounting screws
exhaust
ports
blower unit
exhaust ports
Figure 17
blower unit
mounting screws
Figure 18
ROOM-VENTED (Recirculating)
INSTALLATION:
1. Remove one blower unit mounting screw and one
blower plate screw. Remove the blower plate from
cabinet. See Figure 19.
blower unit
2. Carefully lift the blower unit out of the microwave oven.
blower plate
mounting screws
3. Rotate blower unit 90˚ so the exhaust ports face the
front of the cabinet. See Figure 20.
4. Place blower unit back into microwave oven.
blower unit
mounting screws
5. Reattach blower plate to microwave oven. Attach with
the one blower unit mounting screw and then the one
blower plate mounting screw. See Figure 21.
Figure 19
blower plate
mounting screws
blower
unit
blower unit
mounting screws
Figure 20
Figure 21
12
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STEP 4: PREPARE THE WALL AND
UPPER CABINET FOR INSTALLATION
MEASURE AND TACK / TAPE UP THE
TEMPLATES
1. Using a plumb line and (metal) measuring tape, find and
mark the vertical center line on the back wall, as in
Figure 22.
2. Find and mark one or two points where the studs are
on the wall (Studs are normally 16 inches apart) and
then measure and mark the stud locations. If you
cannot find any wall stud, consult a local building
contractor.
CAUTION
DO NOT ATTEMPT TO INSTALL THE MICROWAVE
OVEN IF YOU CANNOT FIND A WALL STUD.
3. Line up the plumb line on the wall with the center line
on the mounting plate.
Figure 22
NOTE: Be sure the minimum width is 30 inches and the
distance from the top of the mounting plate to
the range or counter top is at least 30 inches.
See Figure 4 on page 4.
4. Center mounting plate on rear wall installation area by
lining up the plumb line on wall with centerline on
mounting plate. Make sure the minimum width is 30
inches and that the top of the mounting plate is located a
minimum of 30 inches above the cooking surface. See
Figure 23.
upper cabinet template
mounting plate
NOTE: If the cabinets are not plumb, adjust the
mounting plate to the cabinets. If the front edge
of the cabinet is lower than the back edge,
adjust the mounting plate to be level with the
cabinet front.
Figure 23
5. 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 fits inside the recessed
area. Align the centerline of the upper cabinet template
with the centerline of the mounting plate; then securely
tape or tack the upper cabinet template in place.
See Figure 23
13
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STEP 4: PREPARE THE WALL AND
UPPER CABINET FOR INSTALLATION
DRILLING THE HOLES IN THE WALL AND UPPER CABINET:
BE VERY CAREFUL WHEN DRILLING HOLES INTO THE WALL.
Electrical wires could be concealed behind the wall covering
and if the drill hits them you could get an electric s hock.
1. Find the points on the mounting plate labeled A, B, C, and D. Drill a 3/16" diameter hole at any of these points that
are in front of a wall stud. Drill a 3/4" diameter hole at any of these points that are over drywall.
2. Drill a 3/8" hole at points J and K on the upper cabinet template.
NOTE: If the bottom of the upper cabinet is recessed 3/4" or more, you will need 2"x2" filler blocks (not included) to
provide additional support for the bolts. See Figure 24.
• Mark the center of each filler block and drill a 3/8" diameter hole at the mark.
• Align filler blocks over the two openings in the top of the microwave oven cabinet and attach to cabinet
with masking tape. See Figure 25.
filler block
cabinet
bottom shelf
cabinet front
filler
block
Figure 24
Figure 25
3. Cut or drill a 2" diameter hole at the area marked M, “power supply cord hole” on the upper cabinet template.
If the upper cabinet is metal, you will need to cover the edge of the hole with the power supply cord bushing
(supplied) to prevent damage to the cord from the rough metal edge.
YOU MUST COVER THE EDGE OF THE POWER SUPPLY CORD HOLE IN
A METAL CABINET WITH THE POWER SUPPLY CORD BUSHING.
FAILURE TO DO SO COULD RESULT IN DAMAGE TO THE CORD AND
ELECTRIC SHOCK.
4. Cut out the venting areas (with the saber saw):
•
Roof-Vented: cut out the shaded area marked L on the upper cabinet template.
•
Wall-Vented: go to STEP 5, INSTALL THE MOUNTING PLATE, located on page 16.
5. Use caulking compound to seal the exterior wall or roof opening around the wall cap or roof cap.
14
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STEP 5: INSTALL THE MOUNTING
PLATE TO THE WALL
CONNECTING THE OVEN TO A WALL STUD:
3/16" Hole on Studs
3/4" Hole on Drywall Only
NOTE: The oven must be connected to at least one
wall stud.
Minimum 66
From the Floor
"
1. Draw a vertical line on the wall at the center of the 30″
wide space.
For Wall-
Vented Only
Use the mounting plate as the template for the rear
wall. Place the mounting plate on the wall, making sure
that the tabs are against the bottom of the cabinet. Line
up the notch and center line on the mounting plate to
the center line on the wall.
2. While holding the mounting plate with one hand, draw
circles on the wall at holes A, B, C and D. Four holes
must be used for mounting. If the holes are not used,
the installation will not be secure. Installer must use
these holes for proper installation. Use toggle bolts
through these holes unless one of them lines up with a
stud. Use a lag screw for studs.
Draw Lines
on Studs
Mounting
Plate
Draw
Center Line
NOTE: Draw a fifth circle inside area E, through one of
the holes to match the location of a stud.
A
B
For wall-vented: The oven requires a rear wall cutout
opening for the rear wall duct and the exhaust adaptor
must be attached to the mounting plate. See the next page
on how to prepare the rear wall cutout opening and the
exhaust adaptor/mounting plate for wall-vented.
D
C
Center Line
3. Drill holes on the circles. If there is a stud, drill a 3/16″
hole for lag screws. Two or preferably four lag screws
at holes A and C or B and D must be used to secure
mounting plate to wall. If there is no stud, drill a 3/4″
hole for toggle bolts. Make sure to use at least 1 lag
screw at holes of area “E” in a stud, and 4 toggle bolts
at holes A, B, C and D in the drywall or the plaster.
E
Support Tab
Support Tab
Figure 26
4. Attach the plate to the wall. To use spring toggle head
bolts: Remove the toggle wings from the bolts. Insert
the bolts into the mounting plate and replace the spring
toggle head to 3/4″ past the bolt ends. Insert the spring
toggle head into the holes in the wall to mount the
bracket. You may pull forward on the bracket to help in
tightening the toggle bolts. Tighten all bolts.
See Figure 27.
Space More Than Wall Thickness
Toggle Wings
Mounting
Plate
Toggle Bolt
Bolt
End
Wall
Figure 27
15
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STEP 5: INSTALL THE MOUNTING
PLATE TO THE WALL
TO PREPARE THE REAR WALL
CUTOUT OPENING AND EXHAUST
ADAPTOR/ MOUNTING PLATE FOR
WALL-VENTED:
1. Place the mounting plate against the rear wall as
described in step 5 item 1 (page 15).
2. Using a pencil, put dots through slots F and G, and
through holes H and I. Remove the mounting plate and
draw lines extending through the points. This will give
the location and size of the box cutout for the rear wall
Figure 28
duct. See Figure 28.
• Attach the exhaust adaptor to the rear mounting plate by
sliding it into the guides at the top center of the plate on
the wall side. Push in securely until it is past the top
locking tabs and in the lower locking tabs. Take care to
assure the damper hinge is installed so that it is at the
top and that the damper swings freely.
Damper
(hinge side up)
Exhaust Adaptor
Mounting Plate
(wall side)
Slide exhaust
adaptor into
guides on
• Carefully guide the exhaust adaptor (now attached to the
mounting plate) into the house duct, before using the
screws to attach the plate to the wall. This will assure
proper alignment for installation. See Figure 29.
rear panel.
Locking
Tabs
• Return to step 5, item 3 (page 15) to continue. After
completing the installation of the mounting plate, again
check the rear damper for free movement to assure it
will operate properly.
Guides
Figure 29
16
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STEP 6:
ATTACH THE OVEN TO THE WALL
power cord
You will need two people to lift this
microwave. Failure to us e more
than one pers on could res ult in
pers onal injury.
power cord
hole
1. Carefully lift microwave oven and hang it on support
tabs (See Figure 26 on the page 15) at the bottom
of the mounting plate. Reaching through upper
cabinet, thread power supply cord through the
power supply cord hole in the bottom of the upper
cabinet.
See Figure 30.
Figure 30
2. Rotate the microwave oven upward so the top of
oven is against the bottom of the upper cabinet or
cabinet frame.
3. Insert a bolt down through each hole in the upper
cabinet bottom. See Figure 31.
Tighten the bolts until the gap between the upper
cabinet and microwave oven is closed.
4. If wall vented or room vented installation is used, go
to No.7 on the next page.
Figure 31
17
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STEP 6:
ATTACH THE OVEN TO THE WALL
5. Roof vented installation: See Figure 32
Install ductwork through the vent opening in the upper
cabinet. Complete the venting system through the roof
according to the method needed.
damper
See “PREPARE THE VENTING SYSTEM,” step 2 on
the page 8. Use caulking to seal exterior roof opening
around the exhaust cap. See Figure 6 on page 8.
Figure 32
6. Use power supply cord clamp to bundle the power
supply cord. Install the power supply cord clamp, using
a screw as shown in Figure 33, to inside of the cabinet.
duct
7. To install the grease filter: Slide it into the slide slot,
power
supply
cord
then push up and toward oven center to lock.
See Figure 34.
clamp
8. Plug in the power supply cord.
Figure 33
9. Read your use and care manual, then check the
operation of your microwave oven.
Figure 34
18
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Ins tallation Notes
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Printed in Korea
P/No.: 3828W5U0310
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