LG L2-C362LL0 Bedienungsanleitung
LG
Multi Type Air Conditioner
SERVICE MANUAL
LG
CAUTION
website http://www.lgservice.com
e-mail http://www.lgeservice.com/techsup.html
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
MODEL: L2-C362LL0
L3-C362LL0
L3-C482LL0
2Multi Air Conditioner
Multi Air Conditioner Service Manual
TABLE OF CONTENTS
Safety Precautions......................................................................................................................................3
Product Specifications...............................................................................................................................7
Dimensions................................................................................................................................................10
Refrigeration Cycle Diagram....................................................................................................................14
Wiring Diagram..........................................................................................................................................16
Electronic Control Device.........................................................................................................................17
Schematic Diagram...................................................................................................................................20
Functions...................................................................................................................................................24
Operation Details ......................................................................................................................................27
2-way, 3-way Valve ....................................................................................................................................34
Cycle Troubleshooting Guide ..................................................................................................................38
Electronic Parts Troubleshooting Guide ................................................................................................39
Installation.................................................................................................................................................46
Operation ..................................................................................................................................................59
Disassembly of the parts (Indoor unit) ...................................................................................................61
Exploded View and Replacement Parts List...........................................................................................63
Service Manual 3
Safety Precautions
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must
be followed.
■Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is
classified by the following indications.
■Meanings of symbol used in this manual are as shown below.
WARNING
CAUTION
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage.
WARNING
■Installation
Be sure not to do.
Be sure to follow the instruction.
Do not use a defective or
underrated circuit breaker.
Use this appliance on a dedi-
cated circuit.
• There is risk of fire or electric shock.
Do not let the air conditioner
run for a long time when the
humidity is very high and a
door or a window is left open.
• Moisture may condense and wet or
damage furniture.
Always ground the product.
• There is risk of fire or electric shock.
Install the panel and the cover
of control box securely.
• There is risk of fire or electric shock.
Always install a dedicated cir-
cuit and breaker.
• Improper wiring or installation may
cause fire or electric shock
Use the correctly rated break-
er or fuse.
• There is risk of fire or electric shock.
4Multi Air Conditioner
Safety Precautions
■Operational
Do not modify or extend the
power cable.
• There is risk of fire or electric shock.
Do not install, remove, or re-
install the unit by yourself
(customer).
• There is risk of fire, electric shock,
explosion, or injury.
Be cautious when unpacking
and installing the product.
• Sharp edges could cause injury. Be
especially careful of the case edges
and the fins on the condenser and
evaporator.
For installation, always con-
tact the dealer or an
Authorized Service Center.
• There is risk of fire, electric shock,
explosion, or injury.
Do not install the product on a
defective installation stand.
• It may cause injury, accident, or dam-
age to the product.
Be sure the installation area
does not deteriorate with age.
• If the base collapses, the air condition-
er could fall with it, causing property
damage, product failure, and personal
injury.
Do not touch(operate) the
product with wet hands.
• There is risk of fire or electrical shock.
Do not place a heater or other
appliances near the power
cable.
• There is risk of fire and electric shock.
Do not allow water to run into
electric parts.
• It may cause There is risk of fire, fail-
ure of the product, or electric shock.
Service Manual 5
Safety Precautions
Do not open the inlet grille of the product dur-
ing operation. (Do not touch the electrostatic
filter, if the unit is so equipped.)
• There is risk of physical injury, electric shock, or product fail-
ure.
Be cautious that water could not enter the
product.
• There is risk of fire, electric shock, or product damage.
Do not store or use flammable gas or com-
bustibles near the product.
• There is risk of fire or failure of product.
If strange sounds, or smell or smoke comes
from product. Turn the breaker off or discon-
nect the power supply cable.
• There is risk of electric shock or fire.
Gasolin
6Multi Air Conditioner
■Operational
Safety Precautions
Use two or more people to lift
and transport the product.
• Avoid personal injury.
Use a soft cloth to clean. Do
not use harsh detergents, sol-
vents, etc.
• There is risk of fire, electric shock, or
damage to the plastic parts of the prod-
uct.
Do not touch the metal parts
of the product when removing
the air filter. They are very
sharp!
• There is risk of personal injury.
Do not step on or put anyting on the product.
(outdoor units)
• There is risk of personal injury and failure of product.
Do not insert hands or other objects through
the air inlet or outlet while the product is oper-
ated.
• There are sharp and moving parts that could cause personal
injury.
CAUTION
■Installation
Wax
Thinner
check for gas (refrigerant)
leakage after installation or
repair of product.
• Low refrigerant levels may cause fail-
ure of product.
Install the drain hose to
ensure that water is drained
away properly.
• A bad connection may cause water
leakage.
Keep level even when
installing the product.
• To avoid vibration or water leakage.
90˚
Service Manual 7
Product Specifications
Product Specifications
1. L2-C362LL0
17,800(4,486) 35,600(8,972)
2.0 2.0 x 2
1Ø, 220, 60HZ
13.1
58
40
57
1,900 3,650
8.7 16.8
9.4 9.8
21
90
1,080 x314 x 181
870 x 800 x 320
11
71
A: 820, B: 820 (at 7.5m)
O
L.C.D Wireless
1/4"(6.35)
5/8"(15.88)
O
O
1.5mm2
3.5mm2
Operation A or B unit A + B unit
Unit
Indoor
Outdoor
Indoor
Outdoor
Indoor
Outdoor
Indoor
Outdoor
Indoor
Outdoor
Liquid
Gas
Item
Cooling Capacity Btu/h(kcal/h)
Moisture Removal /h
Power Source ø, V, Hz
Air Circulation m3/min
Noise Level(Low) dB(A)
Input W
Runnig Current A
E.E.R. Btu/h.w
Motor Output W
Dimensions(W x H x D)
mm
Net. Weight kg
Refrigerant(R-22) g
Airflow Direction Control(Up & Down)
Remocon Type
Service Valve
Drain Hose
Plasma Filter
Connecting Cable
Power Cord
8Multi Air Conditioner
Product Specifications
2. L3-C362LL0
12,000(3,024)
13,000(3,276) 25,000(6,300) 23,800(5,998) 35,800(9,022)
1.4 1.5 2.9 2.5 3.9
1Ø, 220V, 60Hz
Indoor 9.0 9.5 9.0 + 9.5 9 + 9 9.0 x 3
Outdoor 58 - - - -
Indoor 37 38 - - -
Outdoor 57
1,300 2,100 3,200 2,400 3,600
5.7 9.3 13.6 10.1 14.8
9.2 6.2 7.8 9.9 9.9
Indoor 14.4 x 3
Outdoor 90
Indoor 888 x 287 x 170
Outdoor 870 x 800 x 320
Indoor 9 - - -
Outdoor 71
A: 550, B: 1,100 (at 7.5m)
O
L.C.D Wireless
Liquid 1/4"(6.35)
Gas 1/2"(12.7)
O
O
0.75mm2
3.5mm2
Operation A-Unit
B or C-Unit
A+B or C B+C A+B+C
Unit
Item
Cooling Capacity Btu/h(kcal/h)
Moisture Removal /h
Power Source ø, V, Hz
Air Circulation m3/min
Noise Level(Low) dB(A)
Input W
Runnig Current A
E.E.R. Btu/h.w
Motor Output W
Dimensions(W x H x D)
mm
Net. Weight kg
Refrigerant(R-22) g
Airflow Direction Control(Up & Down)
Remocon Type
Service Valve
Drain Hose
Plasma Filter
Connecting Cable
Power Cord
Service Manual 9
Product Specifications
3. L3-C482LL0
24,000(6,048)
16,000(4,032)
40,000(10,080)
24,000(6,048)
48,000(12,096)
2.5 2.2 4.8 3.4 6.5
1Ø, 220V, 60Hz
Indoor 14.5 9.0 14.5 + 9.0 8.2 + 8.2
14.5 + 8.2 + 8.2
Outdoor 106
Indoor 47/44/40 42/40/38 - - -
Outdoor 60
2,500 2,300 4,500 2,500 4,700
11.0 10.5 20.0 11.0 21.0
9.6 7.0 8.9 9.6 10.6
Indoor 22 14.4
Outdoor 80 x 2
Indoor
1,180 x 314 x 181
888 x 287 x 170
Outdoor 1,225 x 900 370
Indoor 11 9 - - -
Outdoor 106
1,570 1,300 - - -
O
L.C.D Wireless
Liquid
3/8"(9.52) 1/4"(6.35)
---
Gas
5/8"(15.88) 1/2"(12.7)
---
O
O
0.75mm2
5.5mm2
Operation A-Unit
B or C-Unit
A+B or C B+C A+B+C
Unit
Item
Cooling Capacity Btu/h(kcal/h)
Moisture Removal /h
Power Source ø, V, Hz
Air Circulation m3/min
Noise Level(Low) dB(A)
Input W
Runnig Current A
E.E.R. Btu/h.w
Motor Output W
Dimensions(W x H x D)
mm
Net. Weight kg
Refrigerant(R-22) g
Airflow Direction Control(Up & Down)
Remocon Type
Service Valve
Drain Hose
Plasma Filter
Connecting Cable
Power Cord
10 Multi Air Conditioner
Dimensions
1. Indoor Unit
Dimensions
Installation plate
Installation plate
Right rear piping
Left rear piping
ø70mm ø70mm
50mm
20mm
20mm
80mm
A
A
ø70mm
Center
Center
ø70mm
Left rear piping Right rear piping
A
A
D
H
W
Tubing hole cover
W mm 802 888 1,080
H mm 262 287 314
D mm 165 170 181
4.5K, 6K, 7K, 8K, 9K
Btu Series 9K, 10K, 12K Btu
Series 18K, 24K Btu
MODEL
DIM
( 4.5K, 6K, 7K, 8K, 9K )
( 4.5K, 6K, 7K, 8K, 9K )
( 9K, 10K, 12K, 18K, 24K )
( 9K, 10K, 12K, 18K, 24K )
Dieses Handbuch passt für folgende Modelle
4
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