LG DT21WS Owner's manual

Category
Tumble dryers
Type
Owner's manual
OWNER’S MANUAL
DRYER
MFL67731084
www.lg.com
ENGLISH ESPAÑOL
DT21WS
Please read this owner’s manual thoroughly before operating
and keep it handy for reference at all times.
MFL67731084_en_160824.indd 1 2016-08-24 �� 12:16:26
2
TABLE OF CONTENTS
TABLE OF CONTENTS
3
IMPORTANT SAFETY INSTRUCTIONS
3 WHAT TO DO IF YOU SMELL GAS
4 BASIC SAFETY PRECAUTIONS
5 GROUNDING INSTRUCTIONS
5 SAFETY INSTRUCTIONS FOR INSTALLATION
7 SAFETY INSTRUCTIONS FOR CONNECTING
ELECTRICITY
8
PRODUCT FEATURES
9
INTRODUCTION
9 Parts
9 Accessories
10 Control Panel Features
11 Display
12
INSTALLATION INSTRUCTIONS
12 Preview Installation Order
13 Installation Location Requirements
13 Clearances
14 Leveling the Dryer
15 Reversing the Door
16 Installing the Side Vent Package
17 Venting the Dryer
19 Connecting Gas Dryers
21 Connecting Electric Dryers
26 Special Requirements for Manufactured or
Mobile Homes
26 Final Installation Check
27 Installation Test (Duct Check)
29
HOW TO USE
29 Operating the Dryer
30 Cycle Guide
31 Sorting Loads
31 Loading the Dryer
31 Check the Lint Filter Before Every Load
32 Cycle Settings and Options
33 Special Functions
33 Custom Program
34 Before using the Tag On function
35 Tag on
41
MAINTENANCE
41 Regular Cleaning
42
TROUBLESHOOTING
42 Before Calling for Service
44
SPECIFICATIONS
45
USING Smart Diagnosis™
MFL67731084_en_160824.indd 2 2016-08-24 �� 12:16:26
3
ENGLISH
IMPORTANT SAFETY INSTRUCTIONS
IMPORTANT SAFETY INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE USE
WARNING
For your safety, the information in this manual must be followed to minimize the risk of fire or explosion, electric
shock, or to prevent property damage, injury to persons, or death.
Your safety and the safety of others is very important.
We have provided many important safety messages in this manual and on your appliance. Always read and obey all
safety messages.
This is the safety alert symbol.
This symbol alerts you to potential hazards that can kill or hurt you and others.
All safety messages will follow the safety alert symbol and either the word DANGER, WARNING, or CAUTION.
These words mean:
DANGER
You will be killed or seriously injured if you don’t immediately follow instructions.
WARNING
The tumble dryer is not to be used if industrial chemicals have been used for cleaning.
CAUTION
The lint trap has to be cleaned frequently, if applicable.
Lint must not to be allowed to accumulate around the tumble dryer.
Adequate ventilation has to be provided to avoid the back flow of gases into the room from appliances burning
other fuels, including open fires.
















MFL67731084_en_160824.indd 3 2016-08-24 �� 12:16:26
4
IMPORTANT SAFETY INSTRUCTIONS
IMPORTANT SAFETY INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE USE
WARNING
For your safety, the information in this manual must be followed to minimize the risk of fire or explosion, electric
shock, or to prevent property damage, injury to persons, or death.

WARNING
To reduce the risk of fire, electric shock, or injury to persons when using this appliance, follow basic precautions,
including the following:
• Read all instructions before using the dryer.
Before use, the dryer must be properly installed as
described in this manual.




Do not dry articles that have been previously cleaned
in, washed in, soaked in, or spotted with gasoline, dry-
cleaning solvents, or other flammable or explosive
substances as they give off vapors that could ignite or
explode.


Do not repair or replace any part of the dryer
or attempt any servicing unless specifically
recommended in this owner’s manual or in published
user-repair instructions that you understand and have
the skills to carry out.

Before the dryer is removed from service or discarded,
remove the door to the drying compartment.
Do not allow children to play on or in the dryer. Close
supervision of children is necessary when the dryer is
used near children.
•This appliance is not intended for use by persons
(including children) with reduced physical, sensory
or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision
or instruction concerning use of the appliance by a
person responsible for their safety.
• Children should be supervised to ensure that they do
not play with the appliance.
Do not use fabric softeners or products to eliminate
static unless recommended by the manufacturer of
the fabric softener or product.


Keep area around the exhaust opening and adjacent
surrounding areas free from the accumulation of lint,
dust, and dirt.
The interior of the dryer and exhaust vent should be
cleaned periodically by qualified service personnel.
Do not install or store the dryer where it will be
exposed to the weather.
Always check the inside of the dryer for foreign
objects.
• Clean lint screen before or after each load.


Do not place items on the top of the dryer.
Certain internal parts are intentionally not grounded
and may present a risk of electric shock only during
servicing.
Service personnel - do not contact the following parts
while the appliance is energized: valve, motor, control
board, heater, generator.
• If the supply cord is damaged, it must be replaced
by the manufacturer, its service agent or similarly
qualified persons in order to avoid a hazard.
MFL67731084_en_160824.indd 4 2016-08-24 �� 12:16:26
5
ENGLISH
IMPORTANT SAFETY INSTRUCTIONS
IMPORTANT SAFETY INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE USE
WARNING
For your safety, the information in this manual must be followed to minimize the risk of fire or explosion, electric
shock, or to prevent property damage, injury to persons, or death.

WARNING
Improper connection of the equipment-grounding conductor can result in a risk of electric shock. Check with a
qualified electrician or service person if you are in doubt that the appliance is properly grounded.

WARNING
To reduce the risk of fire, electric shock, or injury to persons when using this appliance, follow basic precautions,
including the following:

 Follow details in
the installation instructions. Electric shock can result if
the dryer is not properly grounded.
 as
described in this manual. Electric shock can result if
the dryer is not properly grounded.






Failure to follow this
warning can cause serious injury, fire, electric shock, or
death.

 Failure to follow this
warning can cause serious injury, fire, electric shock, or
death.

Improper
power circuit can melt, creating electric shock and/or
fire hazard.

Failure to do so can
result in death, explosion, fire, or burns.

Failure to do so can result in
death, explosion, fire, or burns.
 Packaging
material can be dangerous for children. There is a risk
of suffocation.

 Failure to do so can cause
deform, smoke and fire.

 Dripping wax,
smoke, or fire can result.

Failure to do so can cause product damage, smoke or
fire.
Certain internal parts are intentionally not grounded
and may present a risk of electric shock only during
servicing.
Service personnel - do not contact the following parts
while the appliance is energized: valve, motor, control
board, heater, generator.
This appliance must be grounded. In the event of
malfunction or breakdown, grounding will reduce
the risk of electric shock by providing a path of least
resistance for electric current. This appliance must be
equipped with a cord having an equipment-grounding
conductor and a grounding plug. The plug must be
plugged into an appropriate outlet that is properly
installed and grounded in accordance with all local
codes and ordinances.
Do not modify the plug provided with the appliance. If
it will not fit the outlet, have a proper outlet installed by
a qualified electrician.
This appliance must be connected to a grounded metal,
permanent wiring system or an equipment-grounding
conductor must be run with the circuit conductors and
connected to the equipment-grounding terminal or
lead on the appliance.
Electric shock can result if the dryer is not properly
grounded.
MFL67731084_en_160824.indd 5 2016-08-24 �� 12:16:27
6
IMPORTANT SAFETY INSTRUCTIONS
IMPORTANT SAFETY INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE USE
WARNING
For your safety, the information in this manual must be followed to minimize the risk of fire or explosion, electric
shock, or to prevent property damage, injury to persons, or death.

WARNING
To reduce the risk of injury to persons, follow all industry recommended safety procedures including the use of long
sleeved gloves and safety glasses. Failure to follow all of the safety warnings in this manual could result in property
damage, injury to persons, or death.
Exhaust/Ducting:
Do not dry unwashed items in the tumble dryer.
Items that have been soiled with substances such as cooking oil, acetone, alcohol, petrol, kerosene, spot removers,
turpentine, waxes and wax removers should be washed in hot water with an extra amount of detergent before
being dried in the tumble dryer.
– Items such as foam rubber (latex foam), shower caps, waterproof textiles, rubber backed articles and clothes or
pillows fitted with foam rubber pads should not be dried in the tumble dryer.
– Fabric softeners, or similar products, should be used as specified by the fabric softener instructions.
The final part of a tumble dryer cycle occurs without heat (cool down cycle) to ensure that the items are left at a
temperature that ensures that the items will not be damaged.
WARNING
Never stop a tumble dryer before the end of the drying cycle unless all items are quickly removed and spread out so
that the heat is dissipated.
• For appliances with ventilation openings in the base, that a carpet must not obstruct the openings.
• Exhaust air must not be discharged into a flue which is used for exhausting fumes from appliances burning gas or
other fuels.
The appliance must not be installed behind a lockable door, a sliding door or a door with a hinge on the opposite
side to that of the tumble dryer.

Failure to follow these instructions can result in fire or
death.




. An accumulation of lint in any area of
the home can create a health and fire hazard.



 Punctured
ductwork can cause a fire if it collapses or becomes
otherwise restricted in use or during installation.



 Failure to
follow these instructions can result in fire or death.




dryer. Failure to follow these instructions can result in
fire or death.






 Failure to
follow these instructions can result in fire or death.


 Secure
all joints with duct tape. For complete details, follow
the Installation Instructions. Failure to follow these
instructions can result in fire or death.
MFL67731084_en_160824.indd 6 2016-08-24 �� 12:16:27
7
ENGLISH
IMPORTANT SAFETY INSTRUCTIONS
IMPORTANT SAFETY INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE USE
WARNING
For your safety, the information in this manual must be followed to minimize the risk of fire or explosion, electric
shock, or to prevent property damage, injury to persons, or death.

WARNING
To reduce the risk of fire, electric shock, or injury to persons when using this appliance, follow basic precautions,
including the following:


To prevent
injury to persons or damage to the dryer, the electrical
power cord must be plugged into a properly grounded
outlet.

Failure to do so can result in electric shock
or injury.


Failure to follow these instructions can create an
electric shock hazard and/or a fire hazard.





Failure to follow these instructions can create an
electric shock hazard and/or a fire hazard.


This provides
sparkling performance and also prevents overloading
house wiring circuits which could cause a fire hazard
from overheated wires.


The power cord can be damaged,
resulting in a risk of fire and electric shock.



The power cord can
melt, creating an electric shock and/or fire hazard.

This will
prevent injury and prevent damage to the dryer from
fire and electric shock.
MFL67731084_en_160824.indd 7 2016-08-24 �� 12:16:27
8
PRODUCT FEATURES
PRODUCT FEATURES
EASY-TO-USE CONTROL PANEL
An entire selection of user-friendly functions make operating the dryer easy.
EASY-ACCESS REVERSIBLE DOOR
The wide-opening door provides easy access for loading and unloading. The door hinge can be reversed to adjust
for installation location.
Flow Sense™ DUCT BLOCKAGE SENSING SYSTEM INDICATOR
The Flow Sense™ duct blockage sensing system detects and alerts you to restrictions in the installed household
ductwork that reduce exhaust airflow through the dryer. If you see the alert: Clean or repair the ducts to remove
the restrictions. Keep your ducts clean to help increase efficiency and reduce long drying times caused by blocked
ducts.
Smart Diagnosis™
Should you experience any technical difficulty with your dryer, it has the capability of transmitting data via your
telephone to the Customer Information Center. The call center agent records the data transmitted from your
machine and uses it to analyze the issue, providing a fast and effective diagnosis.
MFL67731084_en_160824.indd 8 2016-08-24 �� 12:16:27
9
ENGLISH
INTRODUCTION
INTRODUCTION
Parts
Accessories
Control
panel
Leveling
feet
Reversible
door
Lint filter
Terminal
block
access panel
(Electric
models)
Gas
connection
location
(Gas models)
Power cord
location
(Gas
models)
Exhaust
duct
outlet
NOTE
For your safety and for extended product life, use only authorized components. The manufacturer is not
responsible for product malfunction or accidents caused by the use of separately purchased unauthorized
components or parts.
The images in this owner’s manual may be different from the actual components and accessories, and are
subject to change by the manufacturer without prior notice for product improvement purposes.
Side vent kit
(sold separately)
Kit No.
383EEL9001B
Drying rack

MFL67731084_en_160824.indd 9 2016-08-24 �� 12:16:29
10
INTRODUCTION
Control Panel Features
Following are instructions for starting and using your new dryer. Please refer to specific sections of this manual for
more detailed information.
WARNING
To reduce the risk of fire, electric shock, or injury to persons, read this entire manual, including the Important Safety
Instructions, before operating this dryer.

Press the Cycle button repeatedly to scroll
through the cycle selections until the desired
cycle is selected. The standard presets for the
selected cycle will be shown in the display.
On MANUAL DRY cycles, these settings can be
adjusted using the cycle setting buttons anytime
before starting the cycle.
B

Use these buttons to select the desired cycle
settings for the selected cycle. The current
settings are shown in the display. Press the
button for that option to select other settings.
E

Use these buttons with the Time Dry and other
MANUAL DRY cycles to adjust the drying time.
Press the More Time button to increase the
selected manual cycle time by one minute;
press Less Time to decrease the cycle time by
one minute.
D

The display shows the settings, estimated time
remaining, options, and status messages for
your dryer.
F
G

The option buttons allow you to select
additional cycle options. Certain buttons also
allow you to activate special functions by
pressing and holding the button for 3 seconds.

Press to turn the dryer ON. Press again to turn
the dryer OFF.
A
NOTE
Pressing the ON/OFF button during a cycle will
cancel that cycle and any load settings will be lost.

Press this button to start the selected cycle. If
the dryer is running, use this button to pause
the cycle without losing the current settings.
C
NOTE
If you do not press the START/PAUSE button to
resume a cycle within 60 minutes, the dryer turns
off automatically.
C
A
BE
FG
D
MFL67731084_en_160824.indd 10 2016-08-24 �� 12:16:30
11
ENGLISH
INTRODUCTION
Display
The display shows the settings, estimated time remaining, options, and status messages for your dryer.
When the dryer is turned on, the lights in the display will illuminate.
WARNING
To reduce the risk of fire, electric shock, or injury to persons, read this entire manual, including the Important Safety
Instructions, before operating this dryer.


This portion of the display shows which stage
of the drying cycle is currently underway (Dry,
Cool).
B

When Child Lock is set, the Child Lock indicator
will appear and all buttons are disabled except
the POWER button. This prevents children from
changing settings while the dryer is operating.
C

The display will show Clean Filter when the
dryer is turned on as a reminder to check the
filter. It turns off when the START/PAUSE button
is pressed.
D

If you have a special combination of settings
that you use frequently, you can save these
settings as a Custom Program.
E


The Flow Sense™ duct blockage sensing
system detects and alerts you to blockages in
the ductwork that reduce exhaust flow from
the dryer. Maintaining a clean exhaust system
improves operating efficiency and helps
minimize service calls, saving your money.
F

This display shows the estimated time remaining
for SENSOR DRY cycles or the actual time
remaining for Time Dry or MANUAL DRY cycles.
A
NOTE
The cycle time on SENSOR DRY cycles may
fluctuate as the dryer recalculates drying time for
optimal results.
F D B C
E A
MFL67731084_en_160824.indd 11 2016-08-24 �� 12:16:31
12
INSTALLATION INSTRUCTIONS
INSTALLATION INSTRUCTIONS
PREVIEW INSTALLATION ORDER
Checking and
choosing the proper
location
Leveling the dryer
Connecting electric
dryers
Venting the dryer
Plugging in the
power cord and
grounding
Connecting gas
dryers
Test runInstallation test
(Refer to page 27.)
Press and hold
120V 240V
MFL67731084_en_160824.indd 12 2016-08-24 �� 12:16:31
13
ENGLISH
INSTALLATION INSTRUCTIONS
Installation Location Requirements
WARNING
It is important that
you review this entire manual before installing and using your dryer. Detailed instructions concerning electrical
connections, gas connections, and exhaust requirements are provided on the following pages.
Do not operate your dryer at temperatures below 45°F (7°C). At lower temperatures, the dryer might not shut off
at the end of an automatic cycle. This can result in longer drying times. The dryer must not be installed or stored in
an area where it will be exposed to water and/or weather. Check code requirements. Some codes limit, or do not
permit, installation of the dryer in garages, closets, mobile homes or sleeping quarters. Contact your local building
inspector.
Clearances
INSTALLATION SPACING FOR RECESSED AREA OR CLOSET INSTALLATION
The following spacing dimensions are recommended for this dryer. This dryer has been tested for spacing of
1 inches(2.54cm) clearance on the sides and rear. Recommended spacing should be considered for the following
reasons:
A location that allows for proper exhaust installation. A
gas dryer must be exhausted to the outdoors.
See 
A grounded electrical outlet located within 2 ft.
(61 cm) of either side of the dryer. See 

A sturdy floor to support the total dryer weight of 200
lbs (90.7 kg). The combined weight of a companion
appliance should also be considered.
No other fuel-burning appliance can be installed in the
same closet as a dryer.
Additional spacing should be considered for ease of
installation and servicing.
Additional clearances might be required for wall, door
and floor moldings.
Additional spacing should be considered on all sides
of the dryer to reduce noise transfer.
For closet installation, with a door, minimum
ventilation openings in the top and bottom of the
door are required. Louvered doors with equivalent
ventilation openings are acceptable.
Companion appliance spacing should also be
considered.
1"* (2,5 cm)
5
"**
(14 cm)
1/2
77
1/2
"
(196,8 cm)
3"* (7,6 cm)
6"*(15,2 cm)
3"* (7,6 cm)
27"
(68,6 cm)
1"
(2,5 cm)
1"
(2,5 cm)
24 in.
2*
(155 cm
2
)
48 in.
2*
(310 cm
2
)
Closet Door Ve nt
Requir ements
Requisitos de ventilación
de la puerta del armario
(2,54 cm)(2,54 cm)
(7,6 cm)
(7,6 cm)
(7.6 cm)
(7.6 cm)
(68,6 cm)
(2.54 cm)(2.54 cm)(68.6 cm)
28
(73.4 cm)
7"* (17.8 cm)
7"* (17.8 cm)
5"*
(12.7 cm)
1"*
(2.54 cm)
(68.6 cm)
1"
(2.54 cm)
1"
(2.54 cm)
(2,54 cm)(2,54 cm)
(7,6 cm)
(7,6 cm)
(68,6 cm)
28
(73,4 cm)
7"* (17,8 cm)
7"* (17,8 cm)
5"*
(12,7 cm)
1"*
(2,54 cm)
27
"
(68,6 cm)
1"
(2,54 cm)
27
"
1"
(2,54 cm)
28
(73,4 cm)
7"* (17,8 cm)
7"* (17,8 cm)
5"*
(12,7 cm)
1"*
(2,5 cm)
(68,6 cm)
1"
(2,54 cm)
1"
(2,54 cm)
14
"
max.*
(35.6
cm)
21
1
/
4
"
(54 cm)
28
15
/
16
"
(73.4 cm)
50
1
/
4
"
(127.5 cm)
5"**
(12.7 cm)
40
3
/
16
"
(102 cm)
14
"
max.*
(35,6
cm)
21
1
/
4
"
(54 cm)
28
15
/
16
"
(73,4 cm)
50
1
/
4
"
(127,5 cm)
5"**
(12,7 cm)
40
3
/
16
"
(102 cm)
14
"
max.*
(35,6
cm)
21
1
/
4
"
(54 cm)
28
15
/
16
"
(73,4 cm)
50
1
/
4
"
(127,5 cm)
5"**
(12,7 cm)
40
3
/
16
"
(102 cm)
27
"
NOTE
A level floor with a maximum slope of 1 inch (2.5 cm) under entire dryer. Clothes may not tumble properly, and
automatic sensor cycles may not operate correctly if dryer is not level.
For a garage installation, you will need to place the dryer at least 18 inches (46 cm) above the floor. If using a
pedestal, you will need 18 inches (46 cm) to the bottom of the dryer.
NOTE
There should be at least a little space around the dryer (or any other appliance) to eliminate the transfer of
vibration from one to the other. Too much vibration, it could cause them to make noise or touch each other
causing paint damage and making even more noise.
MFL67731084_en_160824.indd 13 2016-08-24 �� 12:16:32
14
INSTALLATION INSTRUCTIONS
Clearances (cont.)
RECOMMENDED INSTALLATION SPACING FOR CABINET INSTALLATION
For cabinet installation with a door, minimum ventilation openings in the top of the cabinet are required.
*Required spacing
**For side or bottom venting,
2 inches (5.1 cm) spacing is allowed.
1"* (2,5 cm)
5
"**
(14 cm)
1/2
77
1/2
"
(196,8 cm)
3"* (7,6 cm)
6"*(15,2 cm)
3"* (7,6 cm)
27"
(68,6 cm)
1"
(2,5 cm)
1"
(2,5 cm)
24 in.
2*
(155 cm
2
)
48 in.
2*
(310 cm
2
)
Closet Door Ve nt
Requir ements
Requisitos de ventilación
de la puerta del armario
(2,54 cm)(2,54 cm)
(7,6 cm)
(7,6 cm)
(7.6 cm)
(7.6 cm)
(68,6 cm)
(2.54 cm)(2.54 cm)(68.6 cm)
28
(73.4 cm)
7"* (17.8 cm)
7"* (17.8 cm)
5"*
(12.7 cm)
1"*
(2.54 cm)
(68.6 cm)
1"
(2.54 cm)
1"
(2.54 cm)
(2,54 cm)(2,54 cm)
(7,6 cm)
(7,6 cm)
(68,6 cm)
28
(73,4 cm)
7"* (17,8 cm)
7"* (17,8 cm)
5"*
(12,7 cm)
1"*
(2,54 cm)
27
"
(68,6 cm)
1"
(2,54 cm)
27
"
1"
(2,54 cm)
28
(73,4 cm)
7"* (17,8 cm)
7"* (17,8 cm)
5"*
(12,7 cm)
1"*
(2,5 cm)
(68,6 cm)
1"
(2,54 cm)
1"
(2,54 cm)
14
"
max.*
(35.6
cm)
21
1
/
4
"
(54 cm)
28
15
/
16
"
(73.4 cm)
50
1
/
4
"
(127.5 cm)
5"**
(12.7 cm)
40
3
/
16
"
(102 cm)
14
"
max.*
(35,6
cm)
21
1
/
4
"
(54 cm)
28
15
/
16
"
(73,4 cm)
50
1
/
4
"
(127,5 cm)
5"**
(12,7 cm)
40
3
/
16
"
(102 cm)
14
"
max.*
(35,6
cm)
21
1
/
4
"
(54 cm)
28
15
/
16
"
(73,4 cm)
50
1
/
4
"
(127,5 cm)
5"**
(12,7 cm)
40
3
/
16
"
(102 cm)
27
"
Leveling the Dryer
WARNING



Failure to follow this warning can cause serious injury
or death.

Failure to follow
this warning can cause serious injury or death.
To ensure that the dryer provides optimal drying
performance, it must be level. To minimize vibration,
noise, and unwanted movement, the floor must be a
perfectly level, solid surface.
1. Position the dryer in the final location. Place a level
across the top of the dryer.
All four leveling feet must rest solidly on the floor.
Gently push on the top corners of the dryer to make
sure that the dryer does not rock from corner to corner.
If you are installing the dryer on the optional pedestal,
you must use the leveling feet on the pedestal to
level the dryer. The dryer leveling feet should be fully
retracted.
2. Use an adjustable wrench to turn the leveling feet.
Turn clockwise to raise the dryer or counterclockwise
to lower it. Raise or lower the leveling feet until dryer
is level from side to side and front to back.
Make sure that all 4 leveling feet are in firm contact with
the floor.
Level
Leveling Feet
NOTE
Adjust the leveling feet only as far as necessary to
level the dryer. Extending the leveling feet more than
necessary can cause the dryer to vibrate.
MFL67731084_en_160824.indd 14 2016-08-24 �� 12:16:33
15
ENGLISH
INSTALLATION INSTRUCTIONS
4. Remove the 4 screws securing the hinges to the door
frame. Remove the two plastic cover caps. Reinstall
the hinges and cover caps on the opposite sides from
which they were removed.
5. With the hinges and cover caps in the new locations,
remount the inner door frame onto the outer door
frame with the screws removed in step 3 above.
6. Reinstall the door with the screws from steps 1,2.
6. Test the swing of the door to make sure the hinges
and latch are properly aligned and that the door
closes and latches correctly.
WARNING
THE DRYER DOOR IS VERY LARGE AND HEAVY. Failure
to follow the instructions below can result in damage to
the dryer, property damage or injury to persons.



door.


1. Open the door and remove the two plastic hole caps
on the catch side by gently prying up with a flat blade
screwdriver. Save these for step 6.
2. While supporting the door, remove the 4 screws, two
from each hinge. Set the door aside face down on a
protected surface to prevent damage to the door or
the work surface.
3. With the door on a protected surface, remove the 12
screws on each side of the door and lift off the inner
door frame using a flat blade screwdriver. Remove the
latch hook and blank and move them to the opposite
side.
Reversing the Door
Hole cap
Hinge screw
Inner door
frame
Latch hook
Hinge
assembly
Cover cap
Swing Door
MFL67731084_en_160824.indd 15 2016-08-24 �� 12:16:36
16
INSTALLATION INSTRUCTIONS
Installing the Side Vent Package
WARNING






Failure to follow all of the safety warnings in this
manual could result in property damage, injury to
persons, or death.
Your new dryer is shipped to vent to the rear.
It can also be configured to vent to the bottom or side
(right-side venting is not available on gas models).
An adapter package, part number ,
may be purchased from your LG retailer. This package
contains the necessary duct components to change the
dryer vent location.
1. Remove the rear exhaust duct retaining screw. Pull
out the exhaust duct.
OPTION 1: SIDE VENTING
2. Press the tabs on the knockout and carefully remove
the knockout for the desired vent opening (right-
side venting is not available on gas models). Press the
adapter duct onto the blower housing and secure to
the base of the dryer as shown.
3. Preassemble a 4 inches (10.2 cm) elbow to the next
4-inches (10.2 cm) duct section, and secure all joints
with duct tape. Be sure that the male end of the elbow
faces AWAY from the dryer. Insert the elbow/duct
assembly through the side opening and press it onto
the adapter duct. Secure in place with duct tape.
Be sure that the male end of the duct protrudes 1½
inches (3.8 cm) to connect the remaining ductwork.
Attach cover plate to the back of the dryer with
included screw.
OPTION 2: BOTTOM VENTING
2. Press the adapter duct onto the blower housing and
secure to the base of the dryer as shown.
3. Insert the 4 inches (10.2 cm) elbow through the rear
opening and press it onto the adapter duct. Be sure
that the male end of the elbow faces down through
hole in the bottom of the dryer. Secure in place with
duct tape.
Attach the cover plate to the back of the dryer with
included screw.
Rear
Exhaust Duct
Retaining
Screw
Elbow
Cover
Plate
Knockout
Bracket
Adapter
Duct
Bracket
Adapter
Duct
Elbow
Cover
Plate
1
1/2
(3.8 cm)
MFL67731084_en_160824.indd 16 2016-08-24 �� 12:16:38
17
ENGLISH
INSTALLATION INSTRUCTIONS
Venting the Dryer
WARNING
To reduce the risk of fire, electric shock, or injury to persons when using this appliance, follow basic precautions,
including the following:
 Failure to follow
these instructions can result in fire or death.

 Failure to follow these instructions can result
in fire or death.


Failure to follow these instructions can result in fire or
death.

Failure to follow these instructions can result in fire or
death.

Failure to follow these instructions can result in fire or
death.


outside. Failure to follow these instructions can result
in fire or death.





 Failure to follow these instructions can result
in fire or death.


Failure to follow these instructions can result in fire or
death.




dryer. Failure to follow these instructions can result in
fire or death.






 Failure to
follow these instructions can result in fire or death.



 Failure to follow these
instructions can result in fire or death.


 Failure to follow these instructions can result in
fire or death.



Failure to
follow these instructions can result in fire or death.




In the
United States, that only those foil-type flexible ducts,
if any, specifically identified for use with the appliance
by the manufacturer and that comply with the Outline
for Clothes Dryer Transition Duct, Subject 2158A, shall
be used.
MFL67731084_en_160824.indd 17 2016-08-24 �� 12:16:38
18
INSTALLATION INSTRUCTIONS
Venting the Dryer (cont.)
Routing and Connecting Ductwork


NOTE
Deduct 6 ft. (1.8 m) for each additional elbow. It is not
recommended to use more than four 90° elbows.
NOTE
Follow the guidelines below to maximize drying
performance and reduce lint buildup and
condensation in the ductwork.
Ductwork and fittings are NOT included and must be
purchased separately.
Use 4-inch (10.2 cm) diameter rigid or semirigid
metal ductwork.
The exhaust duct run should be as short as possible.
• Use as few elbow joints as possible.
The male end of each section of exhaust duct must
point away from the dryer.
• Use duct tape on all duct joints.
Insulate ductwork that runs through unheated areas
in order to reduce condensation and lint buildup on
duct surfaces.
Incorrect or inadequate exhaust systems are not
covered by the dryer warranty. Failures or poor
performance caused by such exhaust systems will
not be covered by the dryer warranty.
Ductwork

0
1
2
3
4
0
1
2
3
4






65 ft. (19.8 m)
55 ft. (16.8 m)
47 ft. (14.3 m)
36 ft. (11.0 m)
28 ft. (8.5 m)
55 ft. (16.8 m)
47 ft. (14.3 m )
41 ft. (12.5 m)
30 ft. (9.1 m)
22 ft. (6.7 m)
Recommended
Use only for
short run
installations
2
2
/4"
(6.35 cm)
4”
(10.2 cm)
4”
(10.2 cm)
MFL67731084_en_160824.indd 18 2016-08-24 �� 12:16:39
19
ENGLISH
INSTALLATION INSTRUCTIONS
Connecting Gas Dryers
WARNING
To reduce the risk of fire, electric shock, or injury to persons when using this appliance, follow basic precautions,
including the following:
Electrical requirements for gas models only
WARNING
To reduce the risk of fire, electric shock, or injury to persons when using this appliance, follow basic precautions,
including the following:

Failure
to follow this warning can result in fire, explosion, or
death.

 Failure to follow this warning can result in
fire, explosion, or death.




Failure to follow this warning
can result in fire, explosion, or death.


 Failure to follow this warning can
result in fire, explosion, or death.



 Failure to follow this
warning can result in fire, explosion, or death.








Failure to do so can result in fire, explosion, or death.


 Failure to do
so can result in fire, explosion, or death.








1

Failure to do so can result in fire, explosion, or death.




3



 Failure to do so can result in fire, explosion, or
death.

Failure to do so can result in fire,
explosion, or death.





 Failure to do so can result in fire,
explosion, or death.

 Failure to
do so can result in fire, explosion, or death.

 Failure
to do so can result in fire, explosion, or death.
 Failure to do
so can result in fire, explosion, or death.



 Failure to do so can result in fire, explosion,
or death.


Failure to do so can result in fire, explosion, or death.
MFL67731084_en_160824.indd 19 2016-08-24 �� 12:16:40
20
INSTALLATION INSTRUCTIONS
Connecting Gas Dryers (cont.)
WARNING
To reduce the risk of fire, electric shock, or injury
to persons when using this appliance, follow basic
precautions, including the following:


 Failure to do so can result in fire, explosion,
or death.

 Failure to do so
can result in fire, explosion, or death.

Failure to do so can result in fire,
explosion, or death.




 Failure to do so can result in fire,
explosion, or death.



 Failure to do
so can result in fire, explosion, or death.

. Failure to do so can result in
fire, explosion, or death.
 Failure to
do so can result in fire, explosion, or death.
Connecting the gas supply
1. Make sure that the gas supply to the laundry room is
turned OFF. Confirm that the type of gas available in
your laundry room is appropriate for the dryer. The
dryer is prepared for Natural Gas with a
3
⁄₈ - inch NPT
gas connection.
2. Remove the shipping cap from the gas connection
at the back of the dryer. Be careful not to damage
the threads of the gas connector when removing the
shipping cap.
3. Connect the dryer to your laundry room’s gas supply
using a new flexible stainless steel connector with a
3
⁄₈
- inch NPT fitting.
4. Securely tighten all connections between the
dryer and your laundry room’s gas supply. Turn on
your laundry room’s gas supply and check all pipe
connections (both internal and external) for gas leaks
with a noncorrosive leak-detection fluid.
Electrical connection
High-altitude installations
The BTU rating of this dryer is AGA-certified for
elevations below 3048 meters.
If your gas dryer is being installed at an elevation above
3048 meters, it must be derated by a qualified technician
or gas supplier.
Plug dryer into a 
grounded 3-prong
outlet.
Gas Supply
Shutoff Valve
3/8” NPT Gas
Connection
1/8” NPT Pipe
Plug
AGA/CSA-Certified
Stainless Steel Flexible
Connector
MFL67731084_en_160824.indd 20 2016-08-24 �� 12:16:40
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LG DT21WS Owner's manual

Category
Tumble dryers
Type
Owner's manual

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