LG Electronics Cooktop 3828W5U0492 Installation instructions

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MICROWAVE OVEN
INSTALLATION INSTRUCTIONS
PLEASE READ AND SAVE THESE INSTALLATION INSTRUCTIONS.
P/NO.: 3828W5U0492
YOUR SAFETY FIRST
BEFORE YOU START
• Proper installation is the installer's responsibility!
– Read the entire manual before you begin. The Model number label is located on the front of oven,
behind doon See Figure 1. Mounting plate is located on back side of microwave oven.
See Figure 2.
BE SURE TO READ THE FOLLOWING SAFETY INSTRUCTIONS:
Mounting Plate
Model Number Plate
Model Number Plate
Mounting Plate
Figure 1
Figure 2
WA R N I N G
For Your Safety
• You will need TWO people to install this oven. It is heavy and could cause personal injury if not handled
properly.
• Avoid Electrical Shock!
– Before you drill into the wall, note where electrical outlets are and where electrical wires might be behind
concealed in the wall, YOU COULD RECEIVE AN ELECTRICAL SHOCK if you contact electrical wires with
your
drill bit.
– Locate and disconnect the power of any electrical circuits that could be affected by installing this oven.
IF YOU DO NOT DISCONNECT THE POWER, YOU RECEIVE AN ELECTRICAL SHOCK.
• ELECTRICAL RATING OF THIS OVEN : 120V AC. 60Hz.
– You need a 120V, 60Hz, AC only, 15A or 20A, fused electrical supply (located in the cabinet above the
microwave as close as possible to the microwave circuit) serving only the microwave.
–2–
YOUR SAFETY FIRST
• THIS APPLIANCE MUST BE GROUNDED!
– If there is an electrical short circuit, grounding reduces the risk of electrical shock by providing an escape
wire for the electric current. This appliance is equipped with a cord having a grounding wire with a grounding
plug.
• Place the plug into a properly installed and grounded outlet. See Figure 3.
PROPERLY POLARIZED AND
• Do not use an extension cord.
GROUNDED OUTLET
• Keep the power cord dry and do not pinch or crush it.
• DO NOT, UNDER ANY CIRCUMSTANCES, REMOVE THE
POWER SUPPLY CORD GROUNDING PRONG!
This appliance MUST be grounded!
Three-Pronged (Grounding) Plug
Figure 3
WA R N I N G
If you use the grounding plug improperly, you risk electric shock and or fire!
Check with a qualified electrician if you are not sure whether the oven is properly grounded or if you do not
completely understand the grounding instructions.
DO NOT USE A FUSE IN THE NEUTRAL OR GROUNDING CIRCUIT.
WA R N I N G
Improper grounding could result in electric shock, fire or other personal injury.
SAVE THESE INSTRUCTIONS FOR THE LOCAL ELECTRICAL INSPECTOR'S USE.
• DO NOT EXPOSE YOURSELF TO EXCESSIVE MICROWAVE ENERGY!
– DO NOT try to operate the microwave oven with the door open.
– DO NOT tamper with or defeat the safety interlocks.
– DO NOT place objects between the microwave oven front face and the door.
– DO NOT allow soil or cleaner residue to build up on the flat surfaces around the microwave oven door.
– DO NOT operate the microwave oven if it is damaged.
– The microwave oven door must close properly to operate safely.
– DO NOT USE THE MICROWAVE OVEN:
• If the door is bent.
• If the hinges or latches are broken or loose.
• If the door seals, sealing surfaces or glass is broken.
– DO NOT ATTEMPT TO ADJUST OR REPAIR THE OVEN YOURSELF!
It should be adjusted and repaired by a qualified technician who can check for microwave leakage after
repairing the oven.
WA R N I N G
If you do not use the microwave oven as instructed,
you could be exposed to excessive microwave energy.
–3–
YOUR SAFETY FIRST
• MAKE SURE YOU HAVE ENOUGH SPACE AND SUPPORT.
– Mount the oven against a flat, vertical wall, so that 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.
WA R N I N G
If you do not mount the oven as instructed,
you risk personal 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 before installation.
(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 (a blanket) over the countertop or cooktop to protect it. Do not use a plastic cover.
Failure to protect these surfaces could result in property damage.
–4–
PARTS, TOOLS, MATERIALS
THE FOLLOWING PARTS ARE SUPPLIED WITH THE OVEN:
NOTE: Depending on your ventilation requirements, you may not use all of these parts.
Damper/duct connector
(for roof venting or wall venting installation)
Not Actual Size (2 pieces must be assembled as
shown)
One power cord clamp and
One dark-colored mounting screw
(to hold the power cord)
Actual Size
One power cord clamp bushing - Actual Size (for the cord hole in a metal upper cabinet)
Four 1/4" x 2" lag screws - Actual Size
(for wall stud holes)
Four 1/4" x 3" toggle bolts - Actual Size
(for drywall holes)
Two 1/4" x 3" bolts - Actual Size
(for securing to the upper cabinet)
Two tapping screws - Actual Size
(for attaching the damper duct connector)
One upper cabinet template- Not Actual Size
Four spring toggle heads - Actual Size
(for the toggle bolts)
One rear wall template- Not Actual Size
(3 pieces mounting plate only)
NOTE: You need to install at least two lag screws into a 2" x 4" stud and four anchor bolts into the wall.
and the mounting area must meet the 150 lbs. weight requirement.
–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
Keyhole Saw (for the power cord hole)
Saber Saw
(for cutting vent holes for roof
or wall venting)
Phillips Screwdriver
Electric Drill
3/8" and 3/4" wood drill bits
Pencil
1/2" and 3/16"
drill bits
Flat Blade Screwdriver
Measuring Tape
Plumb Line
Small Side Cutters or Tin Snips
Duct Tape
Gloves
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–
STEP 1: PREPARE THE ELECTRICAL
CONNECTIONS
WA R N I N G
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 5.
NOTE: The outlet should be on a circuit dedicated to the
microwave oven (120V, 60 Hz., AC only) with a 15 or 20A
fused electrical supply.
Upper
Cabinet
IMPORTANT: If you do not have the proper wall outlet,
you MUST have one installed by a qualified electrician.
Grounded Outlet
(Inside Cabinet)
2. You will cut the power-supply-cord hole (shown in Figure 5)
later when you prepare the wall and upper cabinet in Step 4.
NOTE: Do not use an extension cord.
Keep the power cord dry and do not pinch or crush it.
Power-Supply-Cord Hole
Figure 5
WA R N I N G
Improper grounding could result in electric shock or other personal injury.
DO NOT, UNDER ANY CIRCUMSTANCES, REMOVE THE POWER SUPPLY CORD
GROUNDING PRONG!
This appliance MUST be grounded!
–7–
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 10, page 9.
WA R N I N G
THIS OVEN MUST BE PROPERLY VENTED!
You may vent your oven in one of three ways. Do NOT vent into a wall cavity, an attic, or an unused
area.
Roof-venting If your oven is located on an outside wall near the roof, as in Figures 7 (3 1/4" x 10" duct) and
Figure 9 (6" round duct.)
Wall-venting
If your oven is located on an outside wall of your house, as in Figure 6 (3 1/4" x 10" duct) and
Figure 9 (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
Wall Venting
roof cap
cabinet
cabinet
3 1/4"x10"
duct
wall cap
oven
Wall venting
3 1/4"x10" through-the-wall
duct
oven
Roof
venting
Figure 7
Figure 6
REMEMBER AS YOU INSTALL THE
VENTING:
Keep the length of the ductwork and the
numberof elbows to a minimum to ventilate
your oven efficiently. See examples on page 9.
Keep the size of the ductwork the same.
through-the-roof
Room Venting
roof cap
cabinet
6"min diameter
round duct
wall cap
Do not install two elbows together.
elbow
Use duct tape to seal all joints in the duct
system.
Use caulking to seal the exterior wall or roof
opening around the cap.
3 1/4" to round
duct transition
oven
3 1/4" to round
ductwork transition
Figure 8
–8–
Figure 9
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, and wall or roof caps must not
exceed the equivalent of 140 feet.
For best performance, do not use more than three 90 degree elbows, and keep length as short as possible.
Below are the standard fittings and their equivalent length in feet.
1
2
3 1/4” x 10”
to 6"=5ft.
4
3
3 1/4” x 10” roof
cap=24ft.
5
6
3 1/4” x 10”
wall cap
=40ft.
90˚elbow
=10ft.
3 1/4” x 10” 90˚
elbow=25ft.
7
3 1/4” x 10”
flat elbow
=10ft.
45˚elbow
=5ft.
Figure 10
To calculate the equivalent length of each duct piece used, see the examples below.
Examples
For 6"ROUND SYSTEMS
For 3 1/4"x10" SYSTEMS
wall cap
6ft.
6ft.
wall cap
transition
2ft.
1-3 1/4” x 10” 90° elbow
1-Wall Cap
8 feet straight duct
TOTAL LENGTH
=
=
=
=
2ft.
1-transition
2-90° elbows
1-Wall Cap
8 feet straight
TOTAL LENGTH
25 ft.
40 ft.
8 ft.
73 ft.
–9–
=
=
=
=
=
5 ft.
20 ft.
40 ft.
8 ft.
73 ft.
STEP 3: PREPARE THE VENTING
WA R N I N G
●
To avoid risk of property damage, unplug the microwave oven or disconnect power at
source by removing fuse or throwing circuit breaker.
●
To avoid risk of personal injury, wear protective gloves when handling mounting plate.
DO NOT PULL OR STRETCH THE BLOWER WIRING! Pulling and stretching the blower wiring could result in
electrical shock.
●
Your microwave oven is shipped with the blower assembled for room venting. If you want wall-venting
or roof-vented installation, you must change the blower, as detailed below.
A thick, protective
covering
Before You Start
1. Remove any shipping materials and parts from inside the
microwave oven.
2. Cover the counter top or cooktop with a thick, protective
covering to protect it from damage and dirt. See Figure 11.
Figure 11
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.
Mounting plate
Mounting plate
screw(s)
(1 or 2 screws)
Remove The Mounting Plate:
1. Remove mounting plate screw(s) (1 or 2 screws) from the
mounting plate as shown and discard. See Figure 12.
Control Panel Side
2. This plate will be used as the rear mounting plate. (It will be
used to locate and mark the mounting holes on the rear wall.)
Mounting plate
3. Locate exhaust adapter, grease filters and hardware packet.
Mounting plate
screw(s)
(1 or 2 screws)
4. At this point, remove any adhesive tape (if there is any), on the
exhaust adapter, the grease filters and the power supply cord.
Control Panel Side
Room-Vented (recirculating) Installation:
Figure 12
This oven is shipped assembled for room-vented.
Blower Plate
Mounting Screw (option)
Wall-Vented Installation:
1. Remove one blower unit mounting screw and one or two
blower plate screw(s). Remove the blower plate from cabinet.
See Figure 13.
Blower Plate
Back Plate
Blower Unit
2. Carefully lift the blower unit out of the microwave oven.
3. Use side cutters or thin snips to cut and remove knockouts “B”
from Back plate. Discard knockouts. Be careful not to distort
the plate. See Figure 14.
Blower Unit
Mounting Screw (option)
Parts “B”
Figure 13
Knockouts Parts “B”
Parts “B”
Figure 14
– 10 –
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 17. When you insert blower unit,
blower wire must be like figure 16.
6. Place blower unit back into cabinet. Check that the exhaust ports face towards the rear of the cabinet. See Figure
17.
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.
blower
unit
exhaust
ports
Figure 15
exhaust
ports
Figure 16
Figure 17
blower plate
mounting screw (option)
Roof-Vented Installation:
1. Remove one blower unit mounting screw and one or two
blower plate screw(s). Remove the blower plate from cabinet.
See Figure 19.
2. Use side cutter or thin snips to cut and remove knockouts "A"
from Blower plate. Discard knockouts. Be careful not to distort
the plate. See Figure 20.
3. Carefully lift the blower unit out of the microwave oven.
blower plate
blower unit
back plate
blower unit
mounting screw (option)
blower unit
exhaust ports
Figure 18
4. Rotate blower unit 90° so the exhaust ports face the top of
the cabinet. See Figure 21.
5. Reassemble the blower wire.
blower plate
mounting screw (option)
blower unit
blower plate
back plate
6. Place blower unit back into microwave oven.
7. Reattach blower plate to microwave oven. Attach with the one
blower unit mounting screw and then the one or two blower
plate mounting screw(s). See Figure 22.
blower unit
mounting screw (option)
parts “B”
8. Attach the exhaust adapter to the blower plate by sliding it into
the Guide. See Figure 23.
Figure 19
Knockouts “A”
blower plate
Figure 20
blower unit
Exhaust
adapter
blower plate
mounting screw (option)
Back
of oven
blower
unit
Figure 21
blower unit
mounting screw
(option)
blower plate
Figure 22
– 11 –
Figure 23
STEP 4: PREPARE THE WALL & UPPER
CABINET
WA R N I N G
To avoid personal injury or property damage, do not attempt to install this microwave
oven if you cannot find a wall stud.
Measure And Track/Tape Up The Templates
1. Using a plumb line and measuring tape, find and mark the
vertical center line on the back wall, as in Figure 24.
2. Find and mark one or two points where the studs are on the
wall. 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 24
NOTE: Be sure the minimum width is 30 inches and the distance
from the top of the wall template to the range or counter
top is at least 30 inches. See Figure 24.
4. Center mounting plate in operating 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 25.
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.
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 the template so 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 25.
upper cabinet template
mounting plate
(1 piece mounting plate)
upper cabinet template
mounting plate
(3 pieces mounting plate)
Figure 25
– 12 –
WA R N I N G
To avoid risk of personal injury, electrical shock or death:
Note where electrical outlets and electrical wires are before you drill into the wall.
Locate and disconnect power to any electrical circuits that could be affected by
installing this oven.
WA R N I N G
To avoid risk of personal injury, electrical shock or death, cover the edge of the power
supply cord hole with the power supply cord bushing.
Drill The Holes In The Wall And Upper Cabinet.
cabinet front
filler block
1. Drill holes on the circles. If there is a stud, drill a 3/16" hole for
lag screws. If there is no stud, drill a 3/4" hole for toggle
screws. Make sure to use at least 1 lag screw in a stud, and 4
toggle screws in the drywall or the plaster.
cabinet
bottom shelf
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"x 2" filler blocks (not included) to
provide additional support for the bolts. See Figure 26.
Mark the center of each filler block and drill a 3/8”
diameter hole at the marks.
Align filler blocks over the two openings in the top of
the microwave oven cabinet and attach to cabinet with
masking tape. See Figure 27.
Figure 26
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.
filler
block
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: Tape the rear wall template to the rear wall,
lining up with the holes previously drilled for holes A and B
in the plate. Cut out the shaded area marked F on the REAR
WALL TEMPLATE.
Room-Vented: go to STEP 5, INSTALL THE MOUNTING
PLATE, located on page 14.
5. Complete whichever venting system you have chosen. Use
caulking compound to seal the exterior wall or roof opening
around the wall cap or roof cap.
– 13 –
Figure 27
STEP 5: INSTALL THE MOUNTING PLATE
The Oven Must Be Connected To At Least One
3/16 Hole on Studs
5/8 Hole on Dry wall Only
Wall Stud.
1. Draw a vertical line on the wall at the center of the 30 wide
space. 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.
Minimum 66"
From the Floor
For WallVented Only
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 wood
screw for studs.
Draw
Center Line
A
NOTE: Draw a fifth circle inside area E, through one of the
bottom holes to match the location of a stud. For wallvented: The oven requires a rear wall cutout opening
for the rear wall duct and the exhaust adapter must be
attached to the mounting plate. See the next page on
how to prepare the rear wall cutout opening and the
exhaust adapter/mounting plate for wall-vented.
B
C
D
Center Line
E
3. Drill holes on the circles. If there is a stud, drill a 3/16 hole
for lag screws. If there is no stud, drill a 5/8 hole for toggle
bolts. Make sure to use at least 1 lag screw in a stud, and
4 toggle bolts in the drywall or the plaster.
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 plate. You may
pull forward on the plate to help in tightening the toggle
bolts. Tighten all bolts.
Draw Lines
on Studs
Mounting
Plate
Support Tab
Support Tab
(1 piece mounting plate)
3/16 Hole on Studs
5/8 Hole on Dry wall Only
Minimum 66"
From the Floor
For WallVented Only
Draw Lines
on Studs
Mounting
Plate
Draw
Center Line B
A
Space More Than Wall Thickness
Toggle Wings
Mounting
Plate
Toggle Bolt
C
Bolt
End
D
Center Line
Wall
E
Support Tab
Support Tab
(3 pieces mounting plate)
Figure 29
Figure 28
– 14 –
For Wall-Vented
Make the box cutout for the rear wall duct.
– 1 piece mounting plate:
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 duct. (Figure 30)
– 3 pieces mounting plate:
Use the wall template to determine the location and size of
the box cutout for the rear wall duct.
Attach the exhaust adapter to the rear mounting plate (back
plate) 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.
Carefully guide the exhaust adapter, 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.
Return to step 5, item 3 to continue. After completing the
installation of the mounting plate, again check the rear damper
for free movement to assure it will operate properly.
Figure 30
Damper
(hinge side up)
Exhaust Adapter
Mounting Plate
(1 piece
mounting plate)
Slide exhaust
adapter into
guides on
rear panel.
Back Plate
(3 pieces
mounting plate)
Locking
Tabs
Guides
Figure 31
– 15 –
STEP 6: ATTACH THE OVEN TO THE WALL
WA R N I N G
To avoid risk of personal injury or property damage, use will need two people to
install this microwave oven.
1. Carefully lift microwave oven and hang it on support tabs
(See Figure 28) 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 32.
power cord
power cord
hole
2. Rotate the microwave oven upward so the top of
oven is against the bottom of the upper cabinet or
cabinet frame.
3. Then insert a bolt down through each hole in the
upper cabinet bottom.See Figure 33.
Tighten the bolts until the gap between the upper cabinet
and microwave oven is closed.
Figure 32
4. If wall vented or room vented installation is used,go to
No. 7 on the next page.
Figure 33
– 16 –
STEP 6: ATTACH THE OVEN TO THE WALL
5. Roof venting installation: See Figure 34.
Install ductwork through the vent opening in the
upper cabinet. Complete the venting system through the
roof according to the method needed. See "Prepare The
Venting System" STEP 2.
Use caulking gun to seal the exterior roof opening
around the exhaust cap. See Figure 7 on page 8.
6. Use the power supply cord clamp to bundle the power
supply cord. Install the power supply cord clamp, using a
screw as shown in Figure 35, to the inside of the cabinet.
Figure 34
7. Grasp filter screen with one hand holding the ring and
the other hand holding the opposite end. Insert the end
of the filter screen without ring into the opening and slide
towards the side of the microwave oven. Insert ring end
of filter screen into the opening and slide entire screen
towards the center of the microwave until screen is
securely in position. Repeat for other filter screen. See
Figure 36.
8. Plug in the power supply cord.
Figure 35
9. Read your Owner’s Manual, then check the operation of
your microwave oven.
Figure 36
– 17 –
MEMO
Printed in Korea