LG LTND3660EA Owner’s Manual
LG
ENGLISH
Air
Cassette-Type
OWNER'S
MANUAL
Conditioner
LG
IMPORTANT
Please
information
help
maintenance
PRECAUTIONS
save
read
through
about
time
and
this
your
and
preventing
money
air
manual.
conditioner.
by
improper
explaining
It
contains
This
proper
use.
valuable
manual
may
product
Pay
potential
installation.
by
close
misuse
hazards
of
attention
LG
the
is
not
product.
and
to
responsible
precautions
damage
from
for
in
misuse
any
order
to
or
damages
prevent
improper
caused
Prior
unit
utility
(EN
to
must
61000-3
installation,
be
service
submitted
which
Norm.)
this
provides
air-conditioning
for
approval
electricity
by
the
F
or
Your
Records
1.
Safety
Precautions
Write
Model
Serial
You
can
the
#
#
model
find
them
and
serial
on
a
label
numbers
on
the
here:
side
of
each
unit.
2.
3.
4.
Operating
Care
Before
and
you
Instructions
Maintenance
call
for
service
Dealer's
Date
R
Purchased
ead
Name
This
Manual
Inside
and
you
maintain
preventive
deal
conditioner.
You'll
chart
of
find
of
time
many
troubleshooting
will
your
care
and
find
on
answers
many
air
money
conditioner
your
helpful
part
over
to
tips.
common
If
can
you
hints
properly.
save
the
on
life
how
Just
you
of
problems
review
our
to
a
a
your
chart
use
little
great
air
in
the
of
Troubleshooting
for
service
at
all.
CAUTION
?
Contact
the
authorized
Tips
first,
service
you
may
technician
not
need
for
to
call
repair
or
?
Contact
?
The
children
?
maintenance
Young
they
?
When
air
do
the
the
conditioner
or
children
not
installer
invalids
play
power
of
should
this
for installation
is
without
with
cord
unit.
not
be
the
is
intended
supervision.
supervised
air
to
conditioner.
be
replaced,
of
for
this
use
to
replacement
unit.
by
ensure
young
that
work
shall
only.
?
Installation
with
the
personnel
be
work
national
performed by
only.
must
wiring
be
authorized
performed
standards
in
by
personnel
accordance
authorized
Safety
Precautions
To
prevent
Incorrect
indicated
injury
and
operation
by
the
following
WARNING
property
due
to
symbols.
Precautions
damage,
ignoring
instructions
This
symbol
follow
these
shows
instructions.
will
the
cause
harm
possibility
or
of
damage,
death
or
the
serious
seriousness
injury.
of
which
is
ENGLISH
CAUTION
This
symbol
indicates
Never
Always
the
possibility
Do
of
This
Do
injury
This
or
damage
to
property.
Do
?
not
Improper
authorized
installation
?
Unit
must
install,
installation
dealer
is
be
installed
remove
not
and
will
or
covered
specialist
in
cause
by
an
Installation
reinstall
water
for
the
warranty.
easily
WARNING
WARNING
the
unit
leakage,
installation
accessible
precautions
by
area.
yourself.
electrical
work.
Any
shock,
Please
additional
or
note
fire.
fault
cost
Please
caused
consult
required
by
to
improper
hire
a
special
Do
not
unspecified
equipment
damage
power
or
to
use
cable.
an
service
the
unit
Do
wet
will
WARNING
not
hands.
operate
be
the
responsibility
WARNING
switches
with
of
the
customer.
Plug
in
the
properly.
power
plug
?
It
will
?
If
the
must
agent
person
Do
inserting
cause
supply
be
or
in
not
replaced
a
similarly
order
operate
electrical
cord
is
damaged,
a
qualified
or
or
by
to
avoid
pulling
shock
service
a
hazard.
stop
out
or
fire.
it
the
the
?
unit
power
It
by
may
plug.
cause
electrical
Do
a
shock.
not
long
expose
time.
?
It
or
will
fire
cause
due
generation.
the
skin
to
electrical
to
cool
heat
air
shock
directly
for
?
It
will
cause
generation.
If
an
occurs,
turn
?
If
the
abnormality
off
unit
electrical
stop
the
continues
the
breaker.
shock
(smell
air
to
conditioner,
be
or
of
fire
burning,
operated
in
due
and
an
to
heat
etc)
abnormal
?
?
This
Repair
the
If
this
could
damage
or
customer.
is
done
your
relocation
health.
should
incorrectly,
it
may
not
cause
be
done
a
fire,
by
condition,
case,
consult
it
may
your
cause
dealer.
a
fire,
trouble,
etc.
In
this
3
electric
shock,
leakage,
etc.
injury
Consult
by
your
dropping
dealer.
of
the
unit,
water
?
Contact
?
Contact
?
The
air
the
the
conditioner
supervision.
authorized
installer
is
for
not
Service
installation
intended
technician
of
for
this
use
CAUTION
CAUTION
for
unit.
by
repair
young
or
children
maintenance
or
infirm
of
this
persons
unit.
without
?
Young
Do
not
children
clean
the
should
air
be
supervised
Ventilate
to
ensure
CAUTION
CAUTION
well
that
when
they
used
do
not
play
When
with
the
the
air
unit
conditioner.
is
to
be
conditioner
?
Water
degrade
cause
may
an
enter
the
electric
insulation.
with
the
shock.
water.
unit
It
and
may
together
?
An
oxygen
with
shortage
a
stove,
may
etc.
occur.
cleaned,
off
?
Since
speed
cause
the
the
breaker.
fan
during
an
switch
rotates
off,
operation,
at
and
high
it
may
turn
injury.
?
This
Do
not
plant
to
direct
could
put
where
air
injure
a
pet
will
flow.
the
or
be
pet
house
exposed
or
plant.
Do
or
not
flammable
apply
an
spray.
?Itmaycauseafireor
deformation
of
the
cabinet.
insecticide
?
The
and
Do
not
stand
unit
cause
leave
which
may
an
on
is
drop
installation
damaged.
or
injury.
fall
down
Do
where
air
?
It
may
combustion.
Do
not
flow.
not
is
cause
a
put
stove,
exposed
imperfect
operate
for
to
a
etc.
direct
long
When
be
off
?
It
may
Do
used
the
not
the
cause
unit
for
breaker.
step
a
an
onto
is
long
not
time,
going
injury.
an
unstable
turn
to
Do
not
unit
on
?
It
may
it.
dropping
Do
not
and
cause
step
do
or
falling
use
an
for
on
not
the
put
injury
down.
special
outdoor
anything
through
time
leaving
in
high
a
door
open.
?
In
the
cooling
operated
in
mode,
a
room
humidity (80%r.h.
long
the
air
time,
conditioner
water
humidity,
or
window
if
it
with
is
high
or
condensed
may
more)
drop
e.g.
for
in
and
a
bench
attaching/detaching
panel.
?
It
may
falling
when
case
down.
an
injury,
etc.
the
by
purposes.
?
Do
preserve
not
animal,
It
may
quality,
use
this
precision
plants
cause
etc.
air
conditioner
devices,
and
art
objects.
deterioration
to
food,
of
?
may
If
must
or
wet
the
supply
be
assembly
manufacturer
If
will
cause
and
spoil
cord
replaced
availible
of
electrical
furniture,
is
damaged,
by
its
a
special
from
service
shock
the
etc.
it
cord
agent.
or
When
the
removed,
metal
?
It
may
parts
cause
air
do
an
filter
not
of
the
injury.
is
to
touch
indoor
be
the
unit.
Do
vanes
not
insert
when
conditioner
?
It
will
cause
an
hands
the
is
air
operating.
injury
by
through
the
fire.
rotating
blower.
4
Safety
Precautions
Indoor
Unit,
Indoor
Unit
Outdoor
Instructions
Operating
Unit
ENGLISH
Air
Intake
Anti-bacteria
Heat
Pump
Cooling
Model
Signal
Model
Receptor
Signal
Receives
(Signal
Receptor
receiving
Operation
the
signals
Indication
Air
sound:
Outlet
from
the
two
Lamps
remote
short
control.
beeps
Remote
Controller
or
one
long
beep.)
Signal
Receptor
On/Off
Filter
Timer
Defrost
Sign
Mode
:
Lights
:
Lights
unit.
:
Lights
:
Lights
(Heat
up
up
during
after
(Refer
up
up
pump
during
during
to
page
model
the
2400
Timer
Defrost
system
hours
19.)
operation.
only)
from
Mode
operation.
or
the
Hot
time
Start
of
first
operating
operation.
Outdoor
Air
Intake
Outdoor
Unit
Operation
Forced
Operation
Unit
:
Lights
up
(Cooling
:
Operation
can't
be
during
model
procedures
used.
outdoor
only)
Air
(side,
when
Intake
rear)
unit
operation.
the
remote
control
(side,
Air
Outlet
rear)
Connecting
Power
Connection
Drain
Wire
Hose
Wire
Pipe
Air
Outlet
Control
Connecting
Connection
Drain
cover
hose
wire
Piping
Heat
pump
Cooling
model:
model:
Cassette
Cassette
Type
Type
Air
Air
Conditioner
Conditioner
5
for
for
cooling
cooling
and
heating
Name
and
Function
of
Remote
Controller
3
Remote
AUTO
Timer
On
Set
SWING
no.
Time
Off010305070911131517192123
OPERATION
Operation
unit
Controller
FAN
SET
TEMP
Room
Temp
Time
Program
set
SPEED
HI
MED
LO
AUTO
JET
SUB
FUNCTION
Heater
Defrost
Filter
Preheat
Humidify
Out
door
1
6
Heat
Pump
Model
17
10
11
12
13
14
15
16
Timer
Program
Hour
Cancel
Week
Min
Holiday
Set/Clr
Plasma
RESET
2
Model
Cooling
5
4
7
8
9
1
2
18
Operation
Displays
On/Off
Operation
stops
when
the
Button
starts
display
operation
when
the
button
conditions.
this
is
button
pressed
is
pressed,
again.
and
9
10
11
Plasma
Timer
Used
Timer
Air
Cancel
to
cancel the
Set
Clean
Button
Button
Button
timer.
(optional)
3
4
5
Set
Used
Temperature
to
set
the
temperature
FAN
Used
Fan
Used
Operation
to
circulate
Speed
to
set
Button
the desired fan
Button
temperature
is
obtained.
Button
room
air
when
without
speed.
the
desired
coolingorheating.
12
13
14
Used
to
obtained.
Week
Used
Button
to
Program
Used
to
Holiday
set
set
the timer
a
Button
set
the
Button
day
of
weekly
when
the
the desired
week.
timer.
time
is
6
7
Operation
Used
?
Auto
?
Cooling
?
Soft
?
Heating
Auto
Used
to
select
Operation
Operation
Dry Operation
Operation
Swing
to
swing
Mode
the
Button
up
Selection
operation
Mode
Mode
Mode
Mode(except
and
down.
Button
mode.
cooling
model)
15
16
17
Used
Time
Used
the
Set
Used
Jet
to
to
Set
set
Button
set
weekly
and
to
Cool
Clear
set
Button
a
holiday
the
timer
Button
and
of
time
of
Function.
clear
the
the
the
day
weekly
week.
and
change
timer.
the
time
in
8
Room
Used
Display
installed
Temperature
to
check
temperature
at
the
the
place
room
Checking
temperature.
can
where
be
Button
different
sun-rays
from
are
actual
falling
directly
18
room
Used
Reset
Used
to
select
Button
to
set
the
temperature
or
the
place
jet
cool
current
if
nearby
mode.
time
the
and
remote
clear
heat
the
setting
time.
controller
source.
is
6
Wireless
Remote
Controller
(optional)
This
wireless
air-conditioner
remote
controller,
(Transmits
is
the
equipped
you pay
transmitter
Signal
signals
to
with
the
wired
for
it.
signal
remote
controller
receptor)
2
1
basically.
OPERATION
Displays
ON/OFF
the
BUTTON
Operation
when
the
button
But
DISPLAY
operation
starts
if
you
when
is
pressed
want
conditions.
this
to
button
be
again.
available
is
pressed
with
and
ENGLISH
stops
1
3
4
5
6
JET
Used
ON/OFF
Used
TIME
Used
TIMER
Used
COOL
BUTTON
to select
TIMER
to
to
set
SETTING
the
adjust
SET/CANCEL
to
set
the
jet
cool
BUTTONS
time
BUTTONS
the
timer
time.
mode.
of
starting
BUTTONS
when
the
and
stopping
desired
time
operation.
is
obtained
3
12
13
4
5
ON
SET
OFF
CANCEL
7
2
8
9
7
8
9
and
AIR
Used
SLEEP
Used
AIR
Used
to
cancel
SWING
to
the
BUTTON
swing
MODE
to
CIRCULATION
to
set
circulate
Sleep
Timer
up
and
BUTTON
Mode
the
operation.
down.
Auto
BUTTON
room
air
operation.
without
cooling
or
heating
Heat
Model
Cooling
Pump
Model
6
14
PLASMA
10
15
11
10
11
12
(turns
ROOM
Used
RESET
Used
INDOOR
Used
indoor
to
prior
to select fan
or
high,
fan
TEMPERATURE
check
BUTTON
to
on/off).
the
resetting
FAN
CHAOS.
SPEED
room
time
SELECTOR
speed
CHECKING
temperature.
or
after
replacing
in
four
steps-low,
BUTTON
batteries.
medium,
Flip-up
door
(opened)
CAUTION
13
14
15
ROOM
Used
ORERATION
Used
PLASMA
TEMPERATURE
to select
to select
AIR
the
MODE
the
CLEAN
SETTING
room
SELECTION
operation
temperature.
mode.
BUTTON(OPTIONAL)
BUTTONS
BUTTON
?
Aim
?
The
?
Be
?
Do
?
Do
other
?
Block
at
remote
sure
not
not
heat
a
the
signal
that
drop
place
source.
strong
receptor
control
there
or
throw
the
remote
light
signal
are
over
no
the
on
can
obstructions
remote
controller
the
the
be
wired
received
controller.
signal
of
in
handling
remote
between
a
location
receptor
at
with
the
controller
a
distance
the
remote
exposed
a
curtain
Remote
so
of
to
Controller
as
up
controller
direct
to
to
about
sunlight,
or
etc.
so
operate.
7m.
as
and
to
the
signal
or
prevent
near
the
the
receptor.
heating
abnormal
unit,
or
any
operation.
(ex:electronic
quick
start,
ELBA,
inverter
type
fluorescent
7
lamp)
Set
the
Current
Time
and
day
of
the
Week
Unless
initial
1
you
mode.
Press
Each
This
press
the
time
number
any
' '
Hour
the
button
indicates
button
button.
is
about
5
pressed,
current
(sometimes
the
hour.
number
10)
is
seconds
changed
while
from
OPERATION
setting
00to
23.
SET
function,
TEMP
FAN
the
SPEED
setting
SUB
FUNCTION
mode
returns
to
For
2
example,
Press
the
if
it
is
' '
Min
Hour
14:25,
button.
press
Hour
button
14
Time
times.
For
Each
This
time
number
example,
the
if
button
indicates
Min
it
is
14:25,
is
pressed,
current
press
the
minute.
button
Min
number
25
increases
times.
from
00to
OPERATION
59.
SET
Time
TEMP
FAN
SPEED
SUB
FUNCTION
3
Press
Each
Week
' '
time
the
button.
button
Week
is
pressed,
a
day
of
the
week
is
shifted
from
OPERATION
sunday
SET
TEMP
Time
to
FAN
saturday.
SPEED
SUB
FUNCTION
For
4
example,
Press
If
you
the
want
if
today
' '
to
RESET
confirm
is
Wed,
button.
the
press
current
Week
time
button
and
3
a
times.
day
of
the
week,
click
the
Reset
button.
RESET
8
OPERATION
SET
TEMP
FAN
SPEED
SUB
FUNCTION
Weekly
Programming
1
Press
The
the
remote
Program
controller
Program
button.
is
displayed
like
a
picture.
Then
'
Program
set
OPERATION
','
SET
TEMP
'
and
FAN
'01'
SPEED
is
blinked.
SUB
FUNCTION
ENGLISH
2
Press
Press
the
Week
Week
' '
button
button.
repeatedly
until
desired
mode
Time
010305070911131517192123
appears.
Program
set
For
example,
if
you
want
Thu,
press
Week
Week
button
4
times.
3
Select
Press
If
you
' '
05
Using
the
Hour
time
or
press
shape
below
you
Min
SET/CLR
button,
want.
button,
means
that
buttons,
you
SET/CLR
then
then
five
can
blinking
' '
o'clock
reserve
is
letter
is
shape
reserved.
time.
shown.
appears.
*
For
Hou
example,
the
Min
air-conditioner
is
on
OPERATION
6,7,8
and
SET
TEMP
13~22
FAN
o'clock.
SPEED
SUB
FUNCTION
Time
010305070911131517192123
9
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