LG LB-G4280AL Owner’s Manual
LG
ENGLISH
Ceiling
Duct-Type
OWNER'S
MANUAL
Air
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
of
find
time
many
will
your
care
and
find
on
answers
many
air
your
money
helpful
conditioner
part
over
to
common
can
hints
properly.
save
the
on
life
how
Just
you
of
problems
to
a
a
your
use
little
great
air
in
the
chart
of
troubleshooting
Troubleshooting
for
service
at
all.
CAUTION
?
Contact
the
authorized
Tips
tips.
first,
service
If
you
you
review
may
technician
not
our
need
for
chart
to
repair
of
call
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
equipment
damage
unspecified
or
power
to
use
service
cord.
an
the
unit
Do
with
will
not
wet
be
WARNING
WARNING
the
responsibility
operate
hands.
switches
of
the
customer.
Plug
in
the
properly.
power
plug
?
It
will
?
If
the
cause
supply
replaced
service
person
Do
unit
electrical
cord
by
the
agent
in
order
not
by
operate
inserting
shock
is
damaged,
manufacturer
or
a
similarly
to
avoid
or
or
qualified
a
hazard.
stop
or
fire.
it
or
must
its
the
be
pulling
?
It
may
cause
electrical
shock.
?
Otherwise,
electrical
heat
it
shock
will
cause
or
fire
due
to
generation.
Do
not
stick,
insert
etc.
into
your
the
finger
air
inlet/air
or
Do
cool
not
air
expose
directly
the
for
skin
a
long
to
?
fire
out
It
will
When
occurs,
turn
cause
due
the
to
off
power
an
stop
the
plug.
electrical
heat
generation.
abnormality
the
breaker.
air
shock
(smell
or
of
conditioner,
outlet.
?
Since
the
speed,
or
damage
burning,
and
fan
this
etc)
may
the
rotates
cause
unit.
at
high
an
injury
Repair
customer.
or
time.
?
This
relocation
could
should
damage
not
be
your
done
health.
by
the
?
If
the
unit
condition,
case,
consult
continues
it
may
your
cause
to
dealer.
be
a
operated
fire,
trouble,
in
an
etc.
abnormal
In
this
3
?
If
this
electric
leakage,
is
done
shock,
etc.
in
correctly,
injury
Consult
by
your
it
may
cause
dropping
dealer.
of
the
a
fire,
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
conditioner
not
children
clean
the
with
should
air
water.
be
supervised
Ventilate
together
to
ensure
CAUTION
CAUTION
well
with
that
when
a
stove,
they
used
etc.
do
not
play
When
cleaned,
with
the
the
air
conditioner.
unit
switch
is
off,
to
be
and
turn
?
Water
degrade
cause
Do
may
an
not
enter
the
electric
put
insulation.
a
the
shock.
pet
unit
or
and
It
may
house
off
?
An
oxygen
shortage
may
occur.
?
Since
speed
cause
the
the
during
an
breaker.
fan
rotates
operation,
at
high
it
may
injury.
Do
not
apply
an
insecticide
Do
not
leave
on
installation
?
This
plant
where
exposed
could
Do
not
it
to
direct
injure
put
a
will
air
the
pet
stove,
be
flow.
or
etc.
plant.
or
flammable
spray.
?Itmaycauseafireor
deformation
When
the
of
the
unit
cabinet.
is
not
going
to
?
The
and
stand
unit
cause
Do
not
which
may
an
step
is
drop
damaged.
or
injury.
on
the
fall
down
outdoor
where
air
?
It
may
combustion.
Do
flow.
not
time
is
cause
in
exposed
imperfect
operate
high
humidity,
for
to
a
direct
long
e.g.
be
off
?
It
may
Do
bench
used
the
cause
not
for
breaker.
step
when
a
an
onto
long
time,
injury.
an
unstable
turn
unit
on
?
It
may
it.
dropping
Do
purposes.
not
and
cause
or
use
do
not
an
injury
falling
down.
for
special
put
anything
through
a
leaving
door
open.
?
In
the
cooling
operated
in
mode,
a
room
humidity (80%r.h.
long
the
may
air
time,
conditioner
wet
water
and
spoil
or
window
if
it
with
is
high
or
condensed
more)
may
furniture,
drop
for
in
and
etc.
a
attaching/detaching
panel.
?
It
may
falling
case
down.
an
injury,
etc.
the
by
?
Do
preserve
not
animal,
It
may
quality,
use
this
precision
plants
cause
etc.
air
conditioner
devices,
and
art
objects.
deterioration
to
food,
of
?
If
fire.
If
the
must
or
assembly
supply
be
replaced
manufacturer
will
cause
cord
is
damaged,
by
available
of
electrical
its
service
a
special
from
shock
it
cord
the
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
blower.
hands
the
is
air
operating.
injury
by
through
the
rotating
4
Operating
Instructions
Name
and
Function
Operating
of
Remote
Controller
Remote
Instructions
Controller
ENGLISH
3
Signal
5
receptor
OPERATION
Timer
On
Set
no.
Off010305070911131517192123
Operation
Time
unit
SET
TEMP
Room
Temp
Time
Program
set
FAN
HI
MED
LO
ZONE
SPEED
SUB
FUNCTION
Heater
Defrost
Filter
1234
Preheat
1
Out door
2
10
11
12
13
14
8
9
Timer
Program
Hour
Cancel
Week
Min
Holiday
SET/CLR
Plasma
RESET
6
47
15
16
17
1
2
3
Operation
Displays
On/Off
the
Button
Operation
stops
Set
Used
when
Temperature
to
set
display
operation
starts
the
the
when
button
temperature
conditions.
this
is
Button
button
pressed
when
is
pressed,
again.
the
desired
and
9
10
11
Timer
Used
obtained.
Week
Used
Set
to
Button
to
Program
Used
to
Button
set
set
the
a
Button
set
the
timer
day
of
weekly
when
the
the
week.
timer.
desired
time
is
4
5
6
temperature
FAN
Used
Operation
to
circulate
heating.
Electric
Used
Fan
Speed
Heater
to
set
is
obtained.
Button
room
air
without
cooling
Button(optional:48/60k
the
Button
Electric
Heater.
ZL/ZA/ZP
or
Model
only)
12
13
14
Holiday
Used
Time
Used
time
Set
Used
Set
in
and
to
to
the
to
Button
set
a
Button
set
the
weekly
Clear
set
and
holiday
time
timer
Button
clear
of
of
the
the
the
Function.
week.
day
and
weekly
change
the
timer.
7
Used
to
set
Operation
Used
?
Auto
?
Cooling
?
Soft
?
to
select
Operation
Operation
Dry
Heating
desired
Mode
the
Selection
operation
Mode.
Operation
Operation
fan
speed.
Button
mode.
Mode.
Mode.
Mode.(except
cooling
model)
15
16
17
Room
Used
Plasma
Reset
Used
time.
Temperature
to
to
check
Air
Button
set
the
Clean
the
current
Button
room
Checking
temperature.
Button(optional)
time
and
clear
the
setting
8
Timer
Used
Display
installed
Cancel
to
cancel
Button
the
temperature
at
the
place
timer.
can
where
be
different
sun-rays
from
are
actual
falling
directly
5
room
temperature
or
the
place
if
the
nearby
remote
heat
controller
source.
is
Optional
?
WIRELESS
Function
REMOTE
CONTROLLER
This
remote
Transmits
air-conditioner
controller,
you pay
Remote
Signal
the
signals
is
equipped
for
Controller
transmitter
to
the
signal
with
it.
wired
receptor.
remote
controller
1
2
3
FAN
Used
Cooling
Soft
basically.
But
Operation
to
circulate
Operation
Dry
Operation
if
you
Button
room
Button
Button
want
air
to
without
have
the
cooling
wireless
or
heating.
1
4
3
A/CL
11
10
9
4
5
Used
to
Heating
(Heat
Timer
Used
obtained.
Then
by
an
pump
Set
to
the
hour
dehumidify
Operation
Button
set
wired
but
model
the
the
timer
remote
only)
wireless
without
Button
when
controller
overcooling.
the
remote
desired
is
set
controller
time
up
to
is
24
is
hours
set
up
5
6
2
7
8
6
7
to
over
Fan
On/Off
7
Used
hours
7
hours,
Speed
to
set
Button
Operation
when
the
by
an
use
Button
the
starts
button
hour.
the
desired
when
is
pressed
Therefore,
wired
fan
this
remote
speed.
button
again.
if
you
controller.
is
pressed,
want
to
and
set
stops
8
9
10
Set
Used
Temperature
to
set
temperature
Auto
Plasma
Operation
Air
Clean
the
is
Button
temperature
obtained
when
Button
Button(Optional)
the
desired
?
?
?
Aim
The
Be
at
remote
sure
the
that
signal
control
there
receptor
signal
are
no
for
on
can
obstructions
the
be
wired
received
CAUTION
handling
remote
at
between
controller
a
distance
the
the
11
Remote
remote
Electric
Used
to
Controller
so
of
as
up
controller
Heater
set
to
to
operate.
about
Button(Optional:
the
Electric
7m.
and
the
Heater.
signal
48/60k
ZL/ZA/ZP
receptor.
Model
only)
?
Do
?
Do
other
?
Block
not
not
drop
place
heat
a
or
source.
strong
(ex:electronic
throw
the
remote
light
quick
the
controller
over
the
start,
remote
signal
ELBA,
controller.
in
a
location
receptor
inverter
type
exposed
with
fluorescent
a
curtain
6
to
direct
or
etc.
lamp)
sunlight,
or
so
as
to
prevent
near
the
the
heating
abnormal
unit,
or
any
operation.
Set
1
the
Press
Current
' '
the
Hour
Time
button.
and
a
day
of
the
Week
ENGLISH
Each
You
time
can
the
set
button
the
number
Hour
is
pressed,
of
the
current
the
number
hour.
is
changed
from
to
OPERATION
SET
.
TEMP
Time
FAN
SPEED
SUB
FUNCTION
2
Press
Each
You
the
time
can
' '
Min
the
set
button
the
button.
is
number
Min
pressed,
of
the
current
the
number
minute.
is
increased
from
OPERATION
to
SET
TEMP
Time
.
FAN
SPEED
SUB
FUNCTION
3
Press
Each
You
Week
' '
time
can
the
set
button.
button
the
day
Week
is
of
pressed,
the
week.
a
day
of
the
week
is
shifted
from
OPERATION
sunday
SET
TEMP
to
saturday.
FAN
SPEED
SUB
FUNCTION
4
Press
If
you
the
want
' '
RESET
to
reset
button.
the
current
time
and
a
day
of
the
week,
click
the
Time
Reset
button.
RESET
OPERATION
SET
TEMP
FAN
SPEED
SUB
FUNCTION
7
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
2
Press
Press
the
Week
Week
' '
button
button.
repeatedly
until
desired
mode
Time
appears.
Week
010305070911131517192123
Program
set
For
3
example,
Select
Press
If
you
the
Hour
press
if
you
time
or
want
you
Min
SET/CLR
Thu,
want.
button,
button,
press
then
then
Week
button
letter
blinking
' '
shape
4
times.
is
shown.
appears.
' '
05
Using
shape
below
Hou
means
that
buttons,
Min
you
SET/CLR
five
can
o'clock
reserve
is
reserved.
time.
*
For
example,
the
air-conditioner
is
on
Time
6,7,8
OPERATION
010305070911131517192123
and
13~22
SET
TEMP
o'clock.
FAN
SPEED
SUB
FUNCTION
4
Press
the
Program
button
again
Program
to
finish
weekly
programmining.
8
Loading...