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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1.1 SAFETY PRECAUTIONS
1. When servicing, set the POWER of CONTROL
BOARD to Off and unplug the power cord.
2. Observe the original lead dress.
If a short circuit is found, replace all parts which
have been overheated or damaged by the short
circuit.
3. After servicing, make an insulation resistance test to
prevent the customer's exposure to shock
hazards.
1.2 INSULATION RESISTANCE TEST
1. Unplug the power cord and connect a jumper
between 2 pins (black and white).
2. The grounding conductor (green or green and
yellow) is to be open.
3. Measure the resistance value with an ohm meter
between the jumpered lead and each exposed
metallic part on the equipment at all Mode [except
POWER OFF].
4. The value should be over 1 M
Ω
.
1. PREFACE
This service manual provides various service information, including the mechanical and electrical parts, etc.
This room air conditioner was manufactured and assembled under a strict quality control system.
The refrigerant is charged at the factory. Be sure to read the safety precautions prior to servicing the unit.
1.3 SPECIFICATIONS
M1804R
WG1800R
HBLG1800R
LWM1836TASL
WN1836QCG
LWM1863QAS
Y5USC18-6R
LWN2131QAG
WG2400R
HBLG2400R
M2403R
LWN2432QAS
Y5USC24-6R
LWC243NSMM0
LWN2433TCS LWC243NSMM2 HBLG2350E
POWER SUPPLY
COOLING CAPACITY (Btu/h)
INPUT (W)
RUNNING CURRENT (A)
REFRIGERANT CHARGE (g)
OPERATING
INDOOR (°C)
TEMPERATURE
OUTDOOR (°C)
FAN, INDOOR
FAN, OUTDOOR
FAN SPEEDS, FAN/COOLING
FAN MOTOR
OPERATION CONTROL
ROOM TEMP. CONTROL
AIR DIRECTION CONTROL
CONSTRUCTION
PROTECTOR
COMPRESSOR
FAN MOTOR
POWER CORD
DRAIN SYSTEM
NET WEIGHT (lbs/kg)
OUTSIDE DIMENSION
(inch)
(W x H x D)
(mm)
1Ø, 208/230V, 60Hz
1Ø, 220V, 60Hz 1Ø, 220V, 60Hz 1Ø, 208/230V, 60Hz 1Ø, 220V, 60Hz
1Ø, 208/230V, 60Hz
17,500/18,000
17,500
18,000
21,000
23,500/24,000
24,000
24,000
23,000
23,000/23.500
1,800/1,850
1,840
1,050
2,470
2,760/2,820
2,820
2,420
2,540
2,450/2,500
9.0/8.3
8.5
8.3
10.3
13.7/12.7
12.7/12.9
11.2
11.5
12.2/11.3
710(25.1 OZ)
995(35.1 OZ)/980(34.6 OZ)
880(31 OZ)
985(34.7 OZ)
26.7(DB) 19.4(WB)
35(DB) 23.9(WB)
BLOWER
TURBO
PROPELLER TYPE FAN WITH SLINGER-RING
3/3
6 POLES
TOUCH PANEL
THERMISTOR
VERTICAL LOUVER(RIGHT & LEFT)
HORIZONTAL LOUVER(UP & DOWN)
SLIDE IN-OUT CHASSIS
INTERNAL OVERLOAD PROTECTOR
INTERNAL THERMAL PROTECTOR
1.6m (3 WIRE WITH GROUNDING)
ATTACHMENT PLUG(CORD-CONNECTED TYPE)
DRAIN PIPE OR SPLASHED BY FAN SLINGER
120/54
143/65
26 x 16
27/32
x 26
9/16
26 x 16
27/32
x 30
5/16
660 x 428 x 675
660 x 428 x 770
MODELS
ITEMS
* DB:Dry Bulb ** WB:Wet Bulb
NOTE : Specifications are subject to minor change without notice for further improvement.