LG LS-C126U_M0 / LS-H126U_M0 Service Manual ▷ View online
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■
Remote Control Operation Mode
• When the remote control is selected by the slide switch on the main unit, the appliance operates according to
the input by the remote control.
■
Protection of the evaporator pipe from frosting
• If the indoor pipe temp is below 0°C in 7 min. after the compressor operates without any pause while in cool-
ing cycle operation mode, the compressor and the outdoor fan are turned off in order to protect the indoor
evaporator pipe from frosting.
evaporator pipe from frosting.
• When the indoor pipe temp is 7°C or higher after 3 min. pause of the compressor, the compressor and the
outdoor fan is turned on according to the condition of the room temperature.
■
Auto Clean
• Open the door on the remote control. Press the Auto Clean Button.
Close the door on the remote control. Now each time that you press the start/stop button, the Air conditioner
operates clean function automatically.
operates clean function automatically.
■
Display Luminosity
• The Display Luminosity can be adjusted by using the remote control.
Press the start/stop button to start the unit. Open the door on the remote control, press the 2ndF button and,
press display luminosity button. Display will be dark. Press the button again to set bright display.
press display luminosity button. Display will be dark. Press the button again to set bright display.
■
Buzzer Sounding Operation
• When the appliance-operation key is input by the remote control, the short "beep" sounds.
• When the appliance-pause key is input by the remote control, the long "beep—" sounds.
• When an except operation and pause key is input by the remote control, the short "beep" sounds.
• When the appliance-pause key is input by the remote control, the long "beep—" sounds.
• When an except operation and pause key is input by the remote control, the short "beep" sounds.
Display Function
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Operation
indicator
Shape of
display
Setting
temp.
Standard
Too hot
Hot
Cold
Too cold
Jet
(Cool, Heat)
Cleaning
opeation
Test
operation
Comfortable
A.I operation mode
Cooling
heating
dehumidifi-
cation
Energy save
in cooling
mode
PLASMA
Operation Indicator
Sleep Timer Indicator
PLASMA Indicator
Timer Indicator
Preheat Indicator
Setting Temp.
• On while in appliance operation, off while in appliance pause.
• Blinking(3sec off/0.5sec on) according to Error Code as long as the system malfunctions.
• Blinking(3sec off/0.5sec on) according to Error Code as long as the system malfunctions.
• On while in sleep timer mode, off when sleep timer cancel or appliance operation pause.
• On while in plasma mode, off when plasma mode cancel.
• On while in timer mode(on/off), off when timer mode is completed or canceled.
• Off except when hot start during heating mode operation or while in defrost control.
• Cooling/heating/dehumidification mode : setting temperature from remote control
• Fuzzy operation mode : fuzzy key data(5sec on)
• Fuzzy operation mode : fuzzy key data(5sec on)
➔
AI
Signal Receptor
1) Selection of the best location
1. Indoor unit
• Do not have any heat or steam near the unit.
• Select a place where there are no obstacles in front of
• Select a place where there are no obstacles in front of
the unit.
• Make sure that condensation drainage can be conve-
niently routed away.
Do not install near a doorway.
Do not install near a doorway.
• Ensure that the space around the left and right of the
unit is more than "A". The unit should be installed as
high on the wall as possible, allowing a minimum of
"B" from ceiling.
high on the wall as possible, allowing a minimum of
"B" from ceiling.
• Use a stud finder to locate studs to prevent unneces-
sary damage to the wall.
2. Outdoor unit
• If an awning is built over the unit to prevent direct sun-
light or rain exposure, make sure that heat radiation
from the condenser is not restricted.
from the condenser is not restricted.
• Ensure that the space around the back and sides is
more than 10cm. The front of the unit should have
more than 70cm of space.
more than 70cm of space.
• Do not place animals and plants in the path of the
warm air.
• Take the air conditioner weight into account and select
a place where noise and vibration are minimum.
• Select a place so that the warm air and noise from the
air conditioner do not disturb neighbors.
2) Piping length and elevation
Installation
1. Installation of indoor, Outdoor unit
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More than "A"
More than "B"
More than 2.3m
More than "B"
More than 10cm
More than 10cm
More
than 60cm
than 60cm
More than 60cm
More than 70cm
Install the indoor unit on the wall where the height
from the floors more than 2.3 meters.
from the floors more than 2.3 meters.
CAUTION
• Capacity is based on standard length and maximum
allowance length is on the basis of reliability.
• Oil trap should be installed every 5~7 meters.
CAUTION
Grade
Clearance(cm)
A
B
7K~14K
10
5
7k~14k
3/8"(Ø9.52) 1/4"(Ø6.35)
4 or 7.5
7
15
20
1/2"(Ø12.7) 1/4"(Ø6.35)
4 or 7.5
7
15
20
Pipe Size
Capacity
(Btu/h)
GAS
LIQUID
Max.
Length
A
(m)
Additional
Refrigerant
(g/m)
Max.
Elevation
B
(m)
Standard
Length
(m)
If case more than 5m
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
A
Oil trap
Outdoor unit
Indoor unit
B
I
3) How to fix installation plate
The wall you select should be strong and solid enough
to prevent vibration
to prevent vibration
1. Mount the installation plate on the wall with four
type A screws. If mounting the unit on a concrete
wall, use anchor bolts.
• Mount the installation plate horizontally by aligning
wall, use anchor bolts.
• Mount the installation plate horizontally by aligning
the centerline using a level.
2. Measure the wall and mark the centerline. It is
also important to use caution concerning the
location of the installation plate-routing of the
wiring to power outlets is through the walls typi-
cally. Drilling the hole through the wall for piping
connections must be done safely.
location of the installation plate-routing of the
wiring to power outlets is through the walls typi-
cally. Drilling the hole through the wall for piping
connections must be done safely.
4) Drill a hole in the wall
• Drill the piping hole with a ø70mm hole core drill. Drill
the piping hole at either the right or the left with the
hole slightly slanted to the outdoor side.
hole slightly slanted to the outdoor side.
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Installation Plate
Type "A" screw
5-7mm
(3/16"~5/16")
Indoor
WALL
Outdoor
Installation plate
Ø70mm
Left rear piping
Right rear piping
C
D
B
A
Ø70mm
Left rear piping
Right rear piping
B
A
D
C
Installation plate
A
B
C
D
SU
92
44
67
44
(11k~14k)
SZ
35
33
156
33
(7k~9k)
CHASSIS
(Grade)
Distance (mm)
(SU)
(SZ)
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