LG LSWD305ST User Manual

INSTALLATION MANUAL  
ELECTRIC CONVECTION  
BUILT-IN OVEN  
Please read these instructions thoroughly before  
installing and operating the oven.  
LSWS305ST  
LSWD305ST  
MFL51224803  
Part 1  
SAFETY  
IMPORTANT NOTE  
This installation must be completed by a qualified installer or technician.  
Please read the entire Installation Instructions prior to installation.  
Remove all packing materials from the oven compartments before connecting the electrical supply to  
the oven.  
Installer: please retain these instructions for local inspector’s reference, then leave them with the  
consumer.  
Consumer: please read and keep these instructions for future reference and be sure to read the entire  
OWNER’S MANUAL prior to use.  
PREPARE TO INSTALL THE OVEN  
WARNING  
• The information in this manual  
should be followed exactly.  
- A fire or electrical shock may result causing  
property damage, personal injury or death.  
Phillips Screwdriver  
Drill  
IMPORTANT NOTE  
Proper installation is the responsibility of the installer  
and product failure due to improper installation is  
NOT covered under warranty.  
PREPARE TO INSTALL THE OVEN  
WARNING  
• DO NOT put any weight on the oven  
door. Never allow anyone to climb,  
sit, stand or hang on the oven door.  
- The oven could tip and injury might result from  
food or the oven itself.  
6 Screws For  
Bottom Trim  
(3 needed for installation  
and 3 extra’s)  
6 Wood Screws  
For Mounting  
(4 needed for  
installation and 2  
extra’s)  
WARNING  
• The electrical power must be shut off  
while the electrical connections are  
30” (76.2 cm)  
Metal Bottom Trim  
being made.  
- Failure to do so can result in severe personal injury,  
death or electrical shock.  
MATERIALS NEEDED  
IMPORTANT NOTE  
Observe all governing codes and ordinances.  
This appliance must be properly grounded.  
Junction Box  
Wire Nuts  
3/4” Conduit  
Connector  
36” (91 cm)  
of String  
- 3 -  
Part 2  
INSTALLATION REQUIREMENTS  
1
INSTALLATION DRAWINGS (FOR 30” SINGLE BUILT- IN OVEN)  
The first step of your installation should be to measure your current cutout dimensions and compare them to the  
cutout dimensions shown below. You may find little or no cabinet work will be necessary.  
IMPORTANT NOTE  
The cabinet base platform must be able to support 190lbs (86Kg). If the cabinet does not have a solid bottom,  
two braces or runners must be installed level with the bottom of the cutout to support the weight of the oven.  
Make sure the base is level and front of cabinet is square. If the cabinet base is not level, the oven glides will  
tend to slide out when opening the door.  
If marks, blemishes or the cutout opening are visible above the installed oven, it may be necessary to add wood  
shims under the runners and front trim until the marks or opening are covered.  
If the cabinet does not have a front frame and the sides are less than 3/4” (1.9 cm) thick, shim both sides equally  
to establish the cutout width.  
The junction box must be flush with the rear wall of the cabinet as shown below.  
Allow at least 23” clearance for door depth when it is open.  
Product dimensions  
27 3/8”  
(69.5 cm)  
29 5/16”  
(74.5 cm)  
28 7/8”  
(73.3 cm)  
29 3/4”  
(75.5 cm)  
23 3/8”  
(59.3 cm)  
Cutout dimensions  
30”  
5”  
Cabinet Width  
30” (762 mm)  
28 1/2” Min.  
28 5/8” Max.  
Junction Box  
Location  
Allow 1”  
minimum for  
Recommended  
Minimum  
overlap of oven  
Cutout location  
from floor  
31” (787.4 m)  
23 1/2”  
Cutout Depth  
Cutout Width  
23 1/2” Min. (596.9 mm)  
23”  
28 15/16” Min.  
29” Max.  
28 1/2” Min. (723.9 mm)  
28 5/8” Max. (727 mm)  
23 1/2”  
Allow 1”  
minimum for  
overlap of oven  
Minimum cutout  
location from  
floor 31”  
Cutout Height  
28 15/16” Min. (735 mm)  
29” Max. (736.6 mm)  
- 4 -  
Part 2  
INSTALLATION REQUIREMENTS  
2
INSTALLATION DRAWINGS (FOR 30” DOUBLE BUILT- IN OVEN)  
The first step of your installation should be to measure your current cutout dimensions and compare them to the  
cutout dimensions shown below. You may find little or no cabinet work will be necessary.  
IMPORTANT NOTE  
The cabinet base platform must be able to support 325lbs (147Kg). If the cabinet does not have a solid bottom,  
two braces or runners must be installed level with the bottom of the cutout to support the weight of the oven.  
Make sure the base is level and front of cabinet is square. If the cabinet base is not level, the oven glides will  
tend to slide out when opening the door.  
If marks, blemishes or the cutout opening are visible above the installed oven, it may be necessary to add wood  
shims under the runners and front trim until the marks or opening are covered.  
If the cabinet does not have a front frame and the sides are less than 3/4” (1.9 cm) thick, shim both sides equally  
to establish the cutout width.  
The junction box must be flush with the rear wall of the cabinet as shown below.  
Allow at least 23” clearance for door depth when it is open.  
Product dimensions  
27 3/8”  
(69.5 cm)  
52 1/16”  
(132.2 cm)  
51 5/8”  
(131.0 cm)  
29 3/4”  
(75.5 cm)  
23 3/8”  
(59.3 cm)  
Cutout dimensions  
30”  
5”  
Cabinet Width  
30” (762 mm)  
28 1/2” Min.  
28 5/8” Max.  
Junction Box  
Location  
Allow 1”  
minimum for  
Recommended  
Minimum  
overlap of oven  
Cutout location  
from floor  
12” (304.8 mm)  
Cutout Depth  
Cutout Width  
23 1/2” Min. (596.9 mm)  
Allow 1”  
47”  
28 1/2” Min. (723.9 mm)  
28 5/8” Max. (727 mm)  
51 13/16” Min.  
51 15/16” Max.  
minimum for  
overlap of oven  
Cutout Height  
51 13/16” Min. (1316 mm)  
51 15/16” Max. (1319.2 mm)  
23”  
23 1/2”  
Minimum cutout location from floor 12”  
- 5 -  
Part 2  
INSTALLATION REQUIREMENTS  
3
INSTALLATION DRAWINGS (FOR 30” SINGLE BUILT- IN OVEN UNDERCOUNTER)  
The first step of your installation should be to measure your current cutout dimensions and compare them to the  
cutout dimensions shown below. You may find little or no cabinet work will be necessary.  
IMPORTANT NOTE  
The cabinet base platform must be able to support 190lbs (86Kg). If the cabinet does not have a solid bottom, two  
braces or runners must be installed level with the bottom of the cutout to support the weight of the oven.  
Make sure the base is level and front of cabinet is square. If the cabinet base is not level, the oven glides will tend  
to slide out when opening the door.  
If marks, blemishes or the cutout opening are visible above the installed oven, it may be necessary to add wood  
shims under the runners and front trim until the marks or opening are covered.  
If the cabinet does not have a front frame and the sides are less than 3/4” (1.9 cm) thick, shim both sides equally  
to establish the cutout width.  
The junction box must be flush with the rear wall of the cabinet as shown below.  
This oven is only approved to be installed under the specific models as labeled on this unit.  
Product dimensions  
Dimensions are same as the single built-in oven on page 4.  
Cutout dimensions  
Gas or electric cooktops may be installed over this oven.  
See cooktop installation instructions for cutout size.  
See label on top of oven for approved cooktop models.  
240V / 208V  
Gas and electrical connections for  
Junction Box Location  
(Junction box may be  
in adjacent cabinet)  
30” (76.2 cm) gas cooktop must be located  
in an adjacent accessible location to the  
right. For a 36” (91.4 cm) gas cooktop, the  
connections may be made to the left.  
25” (63.5 cm)  
5”  
Top and/or side fillers  
may be necessary if  
unit is positioned  
between existing  
cabinets. Be sure they  
Allow 1” (2.5 cm)  
are attached securely  
since, they will anchor  
the oven in the cabinets.  
28 15/16” (73.5 cm) Min.  
29” (73.7 cm) Max.  
overlap top of oven,  
23 1/2” (59.7cm) Min.  
36” (91.4cm)  
1 1/16” (1.8 cm) overlap  
side edges of cutout  
and 1 1/4” (3.2 cm)  
Above Support  
Platform  
Typical  
Countertop  
Height  
overlap bottom of oven.  
28 1/2” (72.4 cm) Min.  
28 5/8” (72.7 cm) Max.  
24” (61 cm)  
4” (10.2 cm) Typical Toekick  
- 6 -  
Part 2  
INSTALLATION REQUIREMENTS  
4
PREPARATION FOR MOVING THE OVEN  
The second step of your installation should be to remove any packing material from the oven before you install  
the oven.  
1. Remove all tape from around the oven.  
2. Open the oven door and remove packaging materials and oven racks inside the oven.  
3. Door removal is not a requirement for installation of the oven, but is an added convenience.  
To remove the door, follow the steps below.  
Step. 1  
Step. 3  
Fully open the door.  
Firmly grasp both sides of the door at the top.  
Lock  
Unlock  
Slot  
Step. 4  
about 5˚  
Close door to the door removal  
position, which is approximately  
5 degrees. (refer to the Fig.2)  
Step. 2  
Hinge  
lock  
Pull the hinge locks  
down toward (Fig.1) the  
door frame, to the  
Step. 5  
unlocked position.  
<Fig.1>  
Lift door up and out until the  
hinge arm is clear of the slot.  
<Fig.2>  
4. Place the oven on a table or platform even with the cutout opening. (table or platform must support 190lbs  
[86Kg] for a single built-in oven, 325lbs [147Kg] for a double built-in oven.  
5. Remove the metal bottom trim from the oven. It will be installed at the end of the installation process. The trim  
is wrapped separately and taped to the top of the unit.  
CAUTION  
CAUTION  
• Make sure the cabinets and wall  
coverings around the oven can  
withstand the temperature (up to  
194˚F[90˚C]) generated by the oven.  
- Discoloration, delamination or melting may occur.  
• DO NOT remove spacers on the side  
walls of the built-in oven.  
- These spacers center the oven in the space  
provided. The oven must be centered to prevent  
excess heat buildup that may result in heat damage  
or fire.  
IMPORTANT NOTE  
Do not lift the door by the handle.  
The oven door is very heavy. Be sure you have a firm  
grip before lifting the oven door off the hinges.  
Use caution when lifting. It is recommended that two  
people lift and position the oven into the cabinet  
opening. Failure to follow this instruction can result in  
back or other injury. Wear gloves to protect hands  
from any sharp edges.  
Spacer  
Do not lay the oven door on its handle. This may cause  
dents or scratches.  
- 7 -  
Part 3  
ELECTRICAL CONNECTIONS  
1
ELECTRICAL CONNECTION REQUIREMENTS  
The third step of your installation should be to follow electrical connection requirements below.  
Dedicated circuit protection must be prepared as recommended in electrical connection requirements and  
the oven should be grounded properly.  
IMPORTANT NOTE  
Be sure your wall oven is installed and grounded properly by a qualified installer or service technician.  
This wall oven must be electrically grounded in accordance with local codes or, in their absence, with the  
National Electrical Code ANSI/NFPA No.70- latest edition* in United States, or with CSA Standard C22.1-1982  
and C22.2 No.01982 (or latest edition)**, Canadian Electrical Code, Part1, and all local codes and ordinances.  
This wall oven must be supplied with the proper voltage and frequency, and connected to an individual, properly  
grounded branch circuit, protected by a circuit breaker or fuse. To know the circuit breaker or fuse required by  
this model, see the rating plate to find the wattage consumption and refer to table below to get the circuit  
breaker or fuse amperage.  
Protection Circuit  
recommended  
Protection Circuit  
recommended  
Appliance Rating  
Watts 240V  
Appliance Rating  
Watts 208V  
less than 4800W  
4800W - 7200W  
7200W - 9600W  
9600 and +  
20A  
30A  
40A  
50A  
less than 4100W  
4100W - 6200W  
6200W - 8300W  
8300 and +  
20A  
30A  
40A  
50A  
A double wall oven can consume up to 7,800W at 240VAC.  
A 40Amp circuit breaker with wire gauge #8 AWG must be used.  
A single wall oven can consume up to 4,100W at 240VAC.  
A 30Amp circuit breaker with wire gauge at least #10 AWG must be used.  
IMPORTANT NOTE  
Do Not ground to a gas pipe.  
Do Not have a fuse in the neutral or grounding circuit.  
A U.L.-listed conduit connector must be provided at the junction box.  
WARNING  
WARNING  
• New branch-circuit installations  
(1996 NEC), mobile homes,  
recreational vehicles, or installations  
where local codes prohibit grounding  
through the neutral conductor  
require 4-wire branch-circuit  
connection.  
• Improper connection of aluminum  
house wiring to copper leads can  
result in an electrical hazard or fire.  
Use only connectors designed for  
joining copper to aluminum and  
follow the manufacturer’s  
recommended procedure closely.  
- 8 -  
Part 3  
ELECTRICAL CONNECTIONS  
2
ELECTRICAL CONNECTION  
The fourth step of your installation should be to prepare the electrical connection as follows:  
1. Turn off the circuit breaker or remove fuses to the oven branch circuit.  
2. With the oven positioned directly in front of the cabinet opening, connect the flexible conduit to the electrical  
junction box as shown below. Position the conduit in such a manner that it will lie on top of the oven in a  
natural loop when the oven is installed.  
5” Min  
Junction Box  
Location  
22” Min for single wall oven  
42” Min for double wall oven  
Junction Box must be recessed  
and conduit connector must be  
used at Junction Box.  
3. If local codes permit connection of the frame grounding conductor to the neutral(white) wire, follow the  
instruction of 3-wire circuit connection on page 10.  
If used in mobile homes or new construction, or recreational vehicle, or local codes do not permit connection of  
the frame grounding conductor to the neutral(white) wire, follow the instruction of 4-wire circuit connection on  
page 10.  
IMPORTANT NOTE  
The wall ovens must be hard wired (direct wired) into an approved junction box. A plug and receptacle is not  
permitted on these products.  
DO NOT shorten the flexible conduit. The conduit connector must be securely attached to the junction box and  
the flexible conduit must be securely attached to the conduit connector. If the flexible conduit will not fit within  
the connector, do not install the oven until a connector of the proper size is obtained.  
NOTE TO ELECTRICIAN  
The power leads supplied with the appliance are UL, CSA recognized for connection to larger gauge household  
wiring. The insulation of these leads is rated at temperatures much higher than the temperature rating of  
household wiring. The current carrying capacity of the conductor is governed by the wire gauge and the  
temperature rating of the insulation around the wire.  
- 9 -  
Part 3  
ELECTRICAL CONNECTIONS  
IMPORTANT NOTE  
You will need to purchase an appropriate conduit connector to complete the connection of the conduit to the  
junction box.  
3-wire circuit connection  
4-wire circuit connection  
To connect to a three-wire circuit, follow these steps:  
To connect to a four-wire circuit, follow these steps:  
1. Connect the oven ground (green) wire and neutral  
(white) wire to the branch circuit neutral (white or  
gray in color) wire, using a wire nut.  
2. Connect the oven red wire to the branch circuit red  
(L2) wire in accordance with local codes, using a  
wire nut.  
3. Connect the oven black wire to the branch circuit  
black (L1) wire in accordance with local codes,  
using a wire nut. If the residence red, black or white  
wires are aluminum conductors, see WARNING on  
page 8.  
1. Separate the oven ground and white wires if  
necessary.  
2. Connect the oven ground (green) wire to the  
branch circuit ground (green) wire in accordance  
with local codes, using a wire nut. If the residence  
red, black or white wires are aluminum conductors,  
see WARNING on page 8.  
3. Connect the oven white wire to the branch circuit  
neutral (white or gray in color) wire in accordance  
with local codes, using a wire nut.  
4. Connect the oven red wire to the branch circuit red  
(L2) wire in accordance with local codes, using a  
wire nut.  
4. Install the junction box cover.  
5. Connect the oven black wire to the branch circuit  
black (L1) wire in accordance with local codes,  
using a wire nut. If the residence red, black or white  
wires are aluminum conductors, see WARNING on  
page 8.  
White  
Neutral  
6. Install the junction box cover.  
Green  
Black  
Red  
White  
Wire nut  
Neutral  
Green  
Red  
Black  
Junction Box  
Wire nut  
Junction Box  
- 10 -  
Part 4  
INSTALL THE OVEN  
1
CABINET INSTALLATION  
The fifth step of your installation should be to install the oven into the cabinet as follows:  
1. Sliding the oven into the opening.  
a. Loop (do not tie) a 36” (91cm) string around the conduit before the oven is slid into place.This will keep the  
conduit from falling behind the oven.  
b. Lift oven into cabinet cutout using the oven opening as a grip. Carefully push against the oven front frame.  
Do not push against outside edges.  
c. As you slide the oven back, pull the string so that the conduit will lie on the top of the oven in a natural loop.  
d. When you are sure the conduit is out of the way, slide the oven 3/4 way back into the opening. Remove the  
string by pulling on one end of the loop.  
WARNING  
CAUTION  
• Mounting screws must be used.  
- Failure to do so can result in the oven falling out  
of the cabinet causing serious injury.  
• DO NOT block the oven air exhaust  
located at the bottom of the oven.  
- Blocking the exhaust may cause cabinet damage  
and product malfunction.  
2. Securing the oven.  
a. Using the mounting holes on the oven side trim as  
a guide, drill pilot holes for screws provided (For  
securing the double wall oven, use a minimum of  
4 screws, one on each side in both the upper and  
lower ovens. For securing the single wall oven,  
use a minimum of 2 screws, one on each side.)  
b. Secure the oven to cabinet with screws provided.  
If the cabinet is particle board, you must use 3/4”  
particle board screws. These may be purchased at  
any hardware store.  
Side  
Trim  
Trim Screws  
Side  
Trim  
Mounting  
Hole  
Locations  
Metal  
bottom trim  
Lower base  
3. Installing the metal bottom trim.  
Mounting  
Hole  
Locations  
a. Place the metal bottom trim centered over the pre  
drilled mounting holes on the lower base.  
b. Using 3 screws provided, secure the bottom trim  
to the bottom edge of the cabinet.  
4. Reinstalling the oven door.  
Step. 1  
Step. 3  
Firmly grasp both  
sides of the door  
at the top.  
Fully open the door. If the door will not fully open, the  
indentation is not seated correctly in the bottom edge  
of the slot.  
Step. 2  
With the door at  
the same angle as  
the removal  
position, seat the  
indentation of the  
hinge arm into the  
bottom edge of the  
hinge slot. The notch  
in the hinge  
Hinge arm  
Step. 4  
Hinge arm  
Hinge lock  
Push the hinge locks up  
against the front frame of the  
oven cavity to the locked  
position.  
Bottom  
edge of  
slot  
Indentation  
Step. 5  
Close the oven door.  
arm must be fully seated into the bottom of the slot.  
- 11 -  
Part 5  
OPERATION CHECKLIST  
1
CHECKING OPERATION  
Each of the functions has been factory checked before shipping. However, it is suggested that you verify the  
operation of the oven once more. Refer to the Owner’s Manual. Follow the instructions for the basic check.  
1. Turn on power supply. The initial signal sound will be heard and LG logo should be appear in the display.  
2. Check the operation of the broil mode. When the oven is set to broil, the upper element in the oven should  
become red. After few minutes, partially open the oven door. You should feel heat from the oven. Press the  
“CLEAR/OFF” pad.  
3. Check the operation of the bake mode. After setting the oven to 350˚F/177˚C for baking, the temperature of the  
oven in the display should increase. Press the “CLEAR/OFF” pad.  
4. Check the operation of the convection bake mode. After setting the oven to 350˚F/177˚C for convection baking,  
the fan inside the oven should come on with the door closed. Press the “CLEAR/OFF” pad.  
5. Turn on and off the oven light to check the lights are normal condition.  
6. Check the operation of the furnace convection mode. After setting the oven to 350˚F/177˚C for the furnace  
convection mode, the back element should light up and the fan inside the oven should come on with door  
closed.  
IMPORTANT NOTE  
A small amount of smoke and odor may be noticed during the initial break-in period.  
If your oven does not operate properly or an “F”, followed by a number, appears in the display, see your  
Owner’s Manual for troubleshooting list. The list includes common occurrences that are not the result of  
defective workmanship or materials in this product. If the problem occurs continuously, contact your dealer.  
Refer to the warranty in your Owner’s Manual for our tool-free service number and address.  
- 12 -  
Printed in Korea  

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