LG LS-Q076ABL_BBG_BEL_ABG / LS-Q096ABL_BBG_BEL_AEL / LS-Q096ACG_ADG_ADL_BDL / LS-Q096AHG_ABG_ABM / LS-Q096BAG_BDG / LS-Q096ACL_AAG / LS-Q082BAG_BAM / LS-Q082AAL_ACG_ACL_ACM 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.
■
Buzzer Sounding Operation
• When the appliance-operation key is input by the remote control, the short "beep-beep-" sounds.
• When the appliance-pause key is input by the remote control, the long "beep—" sounds.
• When a key is input by the remote control while the slide switch on the main unit of the appliance is on the
• When the appliance-pause key is input by the remote control, the long "beep—" sounds.
• When a key is input by the remote control while the slide switch on the main unit of the appliance is on the
forced operation position, the error sound "beep-beep-beep-beep-beep-" is made 10 times to indicate that the
remote control signal cannot be received.
remote control signal cannot be received.
Display Function
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Self-diagnosis Function
3sec
3sec
3sec
(once)
Error
Code
1
Error Display LED
(Indoor body operation LED)
Error contents
• Indoor room temperature
thermistor open/short
• Indoor pipe temperature
thermistor open/short.
• Indoor Thermistor
assembly check
SVC check point
1. Heating Model
2. Cooling Model
• Cooling, Soft Dry, Fan, Heating
• Cooling, Soft Dry, Fan
• Sleep Mode
• Sleep Mode
• Timer Mode
• Timer Mode
• Hot-start, Defrost
• PLASMA Mode
• PLASMA Mode
Operation Indicator
Timer Indicator
Sleep Timer Indicator
Defrost Indicator
PLASMA Indicator
Operation Indicator
Timer Indicator
Sleep Timer Indicator
Compressor Indicator
PLASMA Indicator
PLASMA
PLASMA
OUTDOOR
Contents
Details of 2002 LG Model Name ............................................................................................ 3
Functions ................................................................................................................................ 4
Product References .............................................................................................................. 6
Dimensions ............................................................................................................................. 7
Refrigeration Cycle Diagram ............................................................................................... 10
Wiring Diagram..................................................................................................................... 11
Operation Details ................................................................................................................. 12
Display Function .................................................................................................................. 19
Self-diagnosis Function....................................................................................................... 19
Installation ............................................................................................................................ 20
Operation .............................................................................................................................. 30
Disassembly of the parts (Indoor Unit) .............................................................................. 32
2-way, 3-way Valve................................................................................................................ 35
Cycle Troubleshooting Guide.............................................................................................. 42
Electronic Parts Troubleshooting Guide............................................................................ 43
Electronic Control Device.................................................................................................... 50
Schematic Diagram .............................................................................................................. 53
Exploded View and Replacement Parts List...................................................................... 54
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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 10 cm
More than 10 cm
More than 70 cm
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~28K
10
5
30K~38K
30
12
Pipe Size
Capacity
(Btu/h)
GAS
LIQUID
Max.
Length
A
(m)
Additional
Refrigerant
(g/m)
Max.
Elevation
B
(m)
Standard
Length
(m)
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
1/2"(Ø12.7)
1/4"(Ø6.35)
4 or 7.5
15
30
20
18k~28k
5/8"(Ø15.88)
1/4"(Ø6.35)
4 or 7.5
15
30
20
5/8"(Ø15.88)
3/8"(Ø9.52)
4 or 7.5
15
30
30
30k~38k
5/8"(Ø15.88)
3/8"(Ø9.52)
7.5
15
30
30
3/4"(Ø19.05)
3/8"(Ø9.52)
7.5
15
30
50
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
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