LG LTNC1260HL User manual
Cassette
Type
Air
Conditioner
OWNER'S
MANUAL
?
Please
read
carefully
and
thoroughly
this
manual
before
operating
this
unit.
?
Contact
the
authorized
SVC
man
for
repair
or
maintenance
of
this
unit.
?
Contact
the
installer
for
installation
of
this
unit.
?
The
appliance
is
not
intended
for
use
by
young
children
or
infirm
persons
without
supervision.
?
Young
children
should
be
supervised
to
ensure
that
they
do
not
play
with
the
appliance.
Prior
to
installation,
this
air-conditioning
unit
must
be
submitted
for
approval
by
the
ENGLISH ITALIANO ESPANOL FRANCAIS DEUTSCH
2
Safety Precautions
Operating Instructions
Care and Maintenance
Troubleshooting Tips
WARNING
WARNING
WARNING
WARNING
CAUTION
CAUTION
WARNING
WARNING
Safety
precautions
Safety
Precautions
Warning
................................2
Caution
.................................3
Operating
Instructions
Indoor
Unit,
Outdoor
Unit......4
Name
and
Function
of
Remote
Controller
..................5
Wireless
Remote
Controller
(optional)
..6
Set
the
Current
Time
and
a
day
of
the
Week
....................7
Weekly
Program
Setting
.......8
Holiday
Setting
.....................9
Timer
Setting
........................9
Self-diagnosis
Function
........9
Operation
Mode
..................10
Operation
Procedure
..........10
Care
and
Maintenance
Indoor
unit...........................20
Outdoor
unit
........................20
Purifying
filter
......................21
Not
used
for
a
long
time
.....22
Troubleshooting
tips
Before
You
Call
For
Service
...............23
To
prevent
injury
to
the
user
or
other
people
and
property
damage,
the
following
instructions
must
be
followed.
Incorrect
operation
due
to
ignoring
of
instruction
will
cause
harm
or
damage.
The
seriousness
is
classified
by
the
following
indications.
This
symbol
indicates
the
possibility
of
death
or
serious
injury.
This
symbol
indicates
the
possibility
of
injury
or
damage
to
properties
only.
Do
not
damage
or
use
an
unspecified
power
cord.
?
It
will
cause
electrical
shock
or
fire.
?
If
the
supply
cord
is
damaged,
it
must
be
replaced
by
the
manufacturer
or
its
service
agent
or
a
similarly
qualified
person
in
order
to
avoid
a
hazard.
Do
not
operate
switches
with
wet
hands.
?
It
may
cause
electrical
shock.
Plug
in
the
power
cord
properly.
?
Otherwise,
it
will
cause
electrical
shock
or
fire
due
to
heat
generation.
Do
not
operate
or
stop
the
unit
by
inserting
or
pulling
out
the
power
plug.
?
It
will
cause
electrical
shock
or
fire
due
to
heat
generation.
Do
not
insert
your
finger
or
stick,
etc.
into
the
air
inlet/air
outlet.
?
Since
the
fan
rotates
at
high
speed,
this
may
cause
an
injury
or
damage
the
unit.
Do
not
expose
the
skin
to
cool
air
directly
for
a
long
time.
?
This
could
damage
your
health.
When
an
abnormality
(smell
of
burning,
etc)
occurs,
stop
the
air
conditioner,
and
turn
off
the
breaker.
?
If
the
unit
continues
to
be
operated
in
an
abnormal
condition,
it
may
cause
a
fire,
trouble,
etc.
In
this
case,
consult
your
dealer.
Repair
or
relocation
should
not
be
done
by
the
customer.
?
If
this
is
done
in
correctly,
it
may
cause
a
fire,
electric
shock,
injury
by
dropping
of
the
unit,
water
leakage,
etc.
Consult
your
dealer.
Do
not
install,
remove
and
reinstall
the
unit
by
yourself.
?
Improper
installation
will
cause
water
leakage,
electrical
shock,
or
fire.
Please
consult
authorized
dealer
or
specialist
for
the
installation
work.
Please
note
fault
caused
by
improper
installation
is
not
covered
by
warranty.
?
Unit
must
be
installed
in
an
easily
accessible
area.
Any
additional
cost
required
to
hire
a
special
equipment
to
service
the
unit
will
be
the
responsibility
of
the
customer.
Installation
precautions
3
CAUTION
CAUTION
ENGLISH
Do
not
clean
the
air
conditioner
with
water.
?
Water
may
enter
the
unit
and
degrade
the
insulation.
It
may
cause
an
electric
shock.
Ventilate
well
when
used
together
with
a
stove,
etc.
?
An
oxygen
shortage
may
occur.
When
the
unit
is
to
be
cleaned,
switch
off,
and
turn
off
the
breaker.
?
Since
the
fan
rotates
at
high
speed
during
operation,
it
may
cause
an
injury.
?
Contact
the
authorized
Service
technician
for
repair
or
maintenance
of
this
unit.
?
Contact
the
installer
for
installation
of
this
unit.
?
The
air
conditioner
is
not
intended
for
use
by
young
children
or
infirm
persons
without
supervision.
?
Young
children
should
be
supervised
to
ensure
that
they
do
not
play
with
the
air
conditioner.
CAUTION
Do
not
put
a
pet
or
house
plant
where
will
be
exposed
to
direct
air
flow.
?
This
could
injure
the
pet
or
plant.
Do
not
apply
an
insecticide
or
flammable
spray.
?Itmaycauseafireor
deformation
of
the
cabinet.
Do
not
leave
on
installation
stand
which
is
damaged.
?
The
unit
may
drop
or
fall
down
and
cause
an
injury.
Do
not
put
a
stove,
etc.
where
is
exposed
to
direct
air
flow.
?
It
may
cause
imperfect
combustion.
When
the
unit
is
not
going
to
be
used
for
a
long
time,
turn
off
the
breaker.
?
It
may
cause
an
injury.
Do
not
step
on
the
outdoor
unit
and
do
not
put
anything
on
it.
?
It
may
cause
an
injury
through
dropping
or
falling
down.
Do
not
operate
for
a
long
time
in
high
humidity,
e.g.
leaving
a
door
or
window
open.
?
In
the
cooling
mode,
if it
is
operated
in
a
room
with
high
humidity
(80%r.h.
or
more)
for
a
long
time,
water
condensed
in
the
air
conditioner
may
drop
and
may
wet
and
spoil
furniture,
etc.
Do
not
step
onto
an
unstable
bench
when
attaching/detaching
the
panel.
?
It
may
case
an
injury,
etc.
by
falling
down.
Do
not
use
for
special
purposes.
?
Do
not
use
this
air
conditioner
to
preserve
precision
devices,
food,
animal,
plants
and
art
objects.
It
may
cause
deterioration
of
quality,
etc.
If
the
supply
cord
is
damaged,
it
must
be
replaced
by
a
special
cord
or
assembly
availible
from
the
manufacturer
of
its
service
agent.
?
If
will
cause
electrical
shock
or
fire.
When
the
air
filter
is
to
be
removed,
do
not
touch
the
metal
parts
of
the
indoor
unit.
?
It
may
cause
an
injury.
Do
not
insert
hands
through
vanes
when
the
air
conditioner
is
operating.
?
It
will
cause
an
injury
by
the
rotating
blower.
Outdoor
Unit
Indoor
Unit
4
Safety Precautions
Operating Instructions
Care and Maintenance
Troubleshooting Tips
Anti-bacteria
filter
Air
Intake
Air
Outlet
Cover
display
Cover
Remote
Controller
Signal
Receptor
Heat
Pump
Model
Cooling
Model
Signal
Receptor
Air
Intake
(side,
rear)
Air
Outlet
Vents
Connecting
Wire
Power
Wire
Connection
Tube
Drain
Hose
Operating
Instructions
Signal
Receptor
Receives
the
signals
from
the
remote
control.
(Signal
receiving
sound:
two
short
beeps
or
one
long
beep.)
Operation
Indication
Lamps
On/Off
:
Lights
up
during
the
system
operation.
Filter
Sign
:
Lights
up
after
2400
hours
from
the
time
of
first
operating
unit.
(Refer
to
page
19.)
Timer
:
Lights
up
during
Timer
operation.
Defrost
Mode
:
Lights
up
during
Defrost
Mode
or
Hot
Start
operation.
(Heat
pump
model
only)
Outdoor
Unit
:
Lights
up
during
outdoor
unit
operation.
Operation
(Cooling
model
only)
Forced
:
Operation
procedures
when
the
remote
control
Operation
can't
be
used.
Indoor
Unit,
Outdoor
Unit
Heat
pump
model:
Cassette
Type
Air
Conditioner
for
cooling
and
heating
Cooling
model:
Cassette
Type
Air
Conditioner
for
cooling
Timer
Cancel
Program
Week
Hour Min
Holiday
Set/Clr
RESET
Plasma
Operation
unit
Humidify
JET
AUTO
AUTO
SWING
OPERATION
FAN
SPEED
Program
set
SUB
FUNCTION
SET
TEMP
Room
Temp
HI
MED
LO
Heater
Defrost
Filter
Preheat
Out
door
Time
Timer
On
Set
no.
Time
Off010305070911131517192123
Remote
Controller
5
3
10
12
14
15
11
13
18
16
2
1
Heat
Pump
Model
Cooling
Model
5
4
6
8
9
7
17
ENGLISH
Name
and
Function
of
Remote
Controller
Operation
display
Displays
the
operation
conditions.
On/Off
Button
Operation
starts
when
this
button
is
pressed,
and
stops
when
the
button
is
pressed
again.
Set
Temperature
Button
Used
to
set
the
temperature
when
the
desired
temperature
is
obtained.
FAN
Operation
Button
Used
to
circulate
room
air
without
cooling
or
heating.
Fan
Speed
Button
Used
to
set
the
desired
fan
speed.
Operation
Mode
Selection
Button
Used
to
select
the
operation
mode.
?
Auto
Operation
Mode
?
Cooling
Operation
Mode
?
Soft
Dry
Operation
Mode
?
Heating
Operation
Mode(except
cooling
model)
Auto
Swing
Button
Used
to
swing
up
and
down.
Room
Temperature
Checking
Button
Used
to
check
the
room
temperature.
Plasma
Air
Clean
Button
(For
LT-C1262HL
only)
Timer
Cancel
Button
Used
to
cancel
the
timer.
Timer
Set
Button
Used
to
set
the
timer
when
the
desired
time
is
obtained.
Week
Button
Used
to
set
a
day
of
the
week.
Program
Button
Used
to
set
the
weekly
timer.
Holiday
Button
Used
to
set
a
holiday
of
the
week.
Time
Set
Button
Used
to
set
the
time
of
the
day
and
change
the
time
in
the
weekly
timer
Function.
Set
and
Clear
Button
Used
to
set
and
clear
the
weekly
timer.
Jet
Cool
Button
Used
to
select
jet
cool
mode.
Reset
Button
Used
to
set
the
current
time
and
clear
the
setting
time.
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Display
temperature
can
be
different
from
actual
room
temperature
if
the
remote
controller
is
installed
at
the
place
where
sun-rays
are
falling
directly
or
the
place
nearby
heat
source.
ON
OFF
SET
CANCEL
PLASMA
Signal
transmitter
(Transmits
the
signals
to
the
signal
receptor)
1
2
7
8
9
10
15
11
4
5
6
14
3
12
13
6
Safety Precautions
Operating Instructions
Care and Maintenance
Troubleshooting Tips
Heat
Pump
Model
Cooling
Model
Flip-up
door
(opened)
Wireless
Remote
Controller
(optional)
OPERATION
DISPLAY
Displays
the
operation
conditions.
ON/OFF
BUTTON
Operation
starts
when
this
button
is
pressed
and
stops
when
the
button
is
pressed
again.
JET
COOL
BUTTON
Used
to select
jet
cool
mode.
ON/OFF
TIMER
BUTTONS
Used
to
set
the
time
of
starting
and
stopping
operation.
TIME
SETTING
BUTTONS
Used
to
adjust
the
time.
TIMER
SET/CANCEL
BUTTONS
Used
to
set
the
timer
when
the
desired
time
is
obtained
and
to
cancel
the
Timer
operation.
AIR
SWING
BUTTON
Used
to
swing
up
and
down.
SLEEP
MODE
BUTTON
Used
to
set
Sleep
Mode
Auto
operation.
AIR
CIRCULATION
BUTTON
Used
to
circulate
the
room
air
without
cooling
or
heating
(turns
indoor
fan
on/off).
ROOM
TEMPERATURE
CHECKING
BUTTON
Used
to
check
the
room
temperature.
RESET
BUTTON
Used
prior
to
resetting
time
or
after
replacing
batteries.
INDOOR FAN
SPEED
SELECTOR
Used
to select
fan
speed
in
four
steps-low,
medium,
high,
or
CHAOS.
ROOM
TEMPERATURE
SETTING
BUTTONS
Used
to select
the
room
temperature.
ORERATION
MODE
SELECTION
BUTTON
Used
to select
the
operation
mode.
PLASMA
AIR
CLEAN
BUTTON
(For
LT-C1262HL
only)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
This
air-conditioner
is
equipped
with
wired
remote
controller
basically.
But
if
you
want
to
be
available
with
wireless
remote
controller,
you pay
for
it.
CAUTION
of
handling
the
Remote
Controller
?
Aim
at
the
signal
receptor
on
the
wired
remote
controller
so
as
to
operate.
?
The
remote
control
signal
can
be
received
at
a
distance
of
up
to
about
7m.
?
Be
sure
that
there
are
no
obstructions
between
the
remote
controller
and
the
signal
receptor.
?
Do
not
drop
or
throw
the
remote
controller.
?
Do
not
place
the
remote
controller
in
a
location
exposed
to
direct
sunlight,
or
near
the
heating
unit,
or
any
other
heat
source.
?
Block
a
strong
light
over
the
signal
receptor
with
a
curtain
or
etc.
so
as
to
prevent
the
abnormal
operation.
(ex:electronic
quick
start,
ELBA,
inverter
type
fluorescent
lamp)
OPERATION
FAN
SPEED
SUB
FUNCTION
SET
TEMP
Time
AUTO
SWING
OPERATION
FAN
SPEED
SUB
FUNCTION
SET
TEMP
Time
AUTO
SWING
OPERATION
FAN
SPEED
SUB
FUNCTION
SET
TEMP
Time
AUTO
SWING
OPERATION
FAN
SPEED
SUB
FUNCTION
SET
TEMP
AUTO
SWING
Hour
Min
Week
RESET
7
ENGLISH
Set
the
Current
Time
and
a
day
of
the
Week
1
Press
the
' '
button.
Each
time
the
button
is
pressed,
the
number
is
changed
from
00
to
23.
You
can
set
the
number
of
the
current
hour.
2
Press
the
' '
button.
Each
time
the
button
is
pressed,
the
number
is
increased
from
00
to
59.
You
can
set
the
number
of
the
current
minute.
3
Press
' '
button.
Each
time
the
button
is
pressed,
a
day
of
the
week
is
shifted
from
sunday
to
saturday.
You
can
set
the
day
of
the
week.
4
Press
the
' '
button.
If
you
want
to
reset
the
current
time
and
a
day
of
the
week,
click
the
Reset
button.
Hour
Min
Week
RESET
Program
SET/CLR
Min
Hou
OPERATION
FAN
SPEED
SUB
FUNCTION
SET
TEMP
Program
set
010305070911131517192123
Time
AUTO
SWING
Week
OPERATION
FAN
SPEED
SUB
FUNCTION
SET
TEMP
010305070911131517192123
Time
AUTO
SWING
Program
set
OPERATION
FAN
SPEED
SUB
FUNCTION
SET
TEMP
010305070911131517192123
Time
AUTO
SWING
8
Safety Precautions
Operating Instructions
Care and Maintenance
Troubleshooting Tips
Weekly
Program
Setting
1
Press
the
Program
button.
The
remote
controller
is
displayed
like
below.
Then
'
','
'
and
'01'
is
blinked.
2
Press
the
' '
button.
Select
the
Monday.
Program
set
Week
3
Change
the
timer
setting
until
the
desired
time
is
set.
After
you
select
a
time,
push
the
SET/CLR
button
once
or
one more
time.
For
Example
if
the
air-conditioner
is
turned
on
from
6
to
8
and
from
13
to
22
and
turned
off
at
other
time
monday,
display
is
as
follows.
(black
bar
indicates
turn-on,
white
bar
indicates
turn-off.)
4
You
can
set
turn
on
and
turn
off
time
by
the
day
in
a
week
as
above.
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