Room Air Conditioner
SVC MANUAL(Exploded View)
MODEL : LSN090HYV / LSU090HYV
LSN120HYV / LSU120HYV
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
Internal Use Only
http://biz.lgservice.com
- 2 -
Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Product Specifications
Note:
O
: Applied, - : No relation
*
For circuit breaker rating, please conform to local standards wherever necessary.
❈
Some of functions are slightly different depending upon models.
❈
The specification may be subject to change without notic for purpose of improvement.
Models Unit LSN / LSU090HYV LSN / LSU120HYV
Cooling Capacity
kW 0.30~2.63~3.80 0.30~3.51~4.04
Btu/h. 1,023~9,000~12,966 1,023~12,000~13,785
Heating Capacity
kW 0.30~3.22~6.50 0.30~3.98~6.50
Btu/h. 1,023~11,000~20,472 1,023~13,600~22,178
Power Input Cooling/Heating W 550/740 850/960
Running Current Cooling/Heating A 2.5/3.4 3.8 / 4.3
Starting Current Cooling/Heating A 2.5/3.4 3.8 / 4.3
EER
W/W 4.81 4.13
Btu/h.W 16.4 14.1
SEER 28 26
HSPF
12 11.5
Power Supply Ø / V / Hz
1/208-230/60 1/208-230/60
Power Factor %
98.7 97.7
Air Flow Rate
Indoor,Max m
3
/min(CFM) 15.5(547) 15.5(547)
Outdoor,Max m
3
/min(CFM) 33(1,165) 33(1,165)
Moisture Removal l/h. 1.5 1.7
Sound Level
Indoor,H/M/L/Sleep dB(A)±3 39 / 34 / 26 / 17 39 / 34 / 26 / 17
Outdoor,Max dB(A)±3 51 51
Refrigerant & Charge (at 7.5 m) g(oz) R410A, 1,250(44.1) R410A, 1,250(44.1)
Additional Refrigerant charge g/m(oz/ft) 20(0.22) 20(0.22)
Compressor
Type 2P Rotary 2P Rotary
Model GKT128MA GKT128MA
Motor Type Hermetic Motor Compressor Hermetic Motor Compressor
Oil Type FVC68D FVC68D
Oil Charge cc 450 450
O.L.P. name - -
Fan(Indoor)
Type Cross Flow Fan Cross Flow Fan
Motor Output W 20 20
Fan(Outdoor)
Type Propeller, Fan Propeller, Fan
Motor Type BLDC BLDC
Motor Output W 85 85
Circuit Breaker* A 15 15
Power Supply Cable No.*mm
2
3*1.0 3*1.0
Power and Transmission Cable No.*mm2 No.*mm
2
4*1.0 (Including Earth) 4*1.0 (Including Earth)
Piping Connections
Liquid Side mm(in) 6.35(1/4) 6.35(1/4)
Gas Side mm(in) 9.52(3/8) 9.52(3/8)
Drain Hose(O.D / I.D.) mm(in) 21.5 / 16.0(0.85 / 0.63) 21.5 / 16.0(0.85 / 0.63)
Dimensions
Indoor (W*H*D)
mm 875*295*235 875*295*235
inch 34.4*11.6*9.25 34.4*11.6*9.25
Outdoor (W*H*D)
mm 870*655*320 870*655*320
inch 34.2*25.8*12.6 34.2*25.8*12.6
Net Weight
Indoor kg(lbs) 11.5(25.3) 11.5(25.3)
Outdoor kg(lbs) 43(94.8) 43(94.8)
Gross Weight
Indoor kg(lbs) 13.0(28.6) 13.0(28.6)
Outdoor kg(lbs) 45(99.2) 45(99.2)
Operation Range
Cooling(Outdoor) °C(℉) -10~48(14~118.4) -10~48(14~118.4)
Heating(Outdoor) °C(℉) -10~24(14.0~75.2) -10~24(14.0~75.2)
Piping Length (Min/Max) m(ft) 3(9.84) / 15(49.2) 3(9.84) / 15(49.2)
Chargeless m(ft) - -
Max. Elevation Difference m(ft) 10(32.8) 10(32.8)
Tool Code(Chassis) Indoor + Outdoor SM + UE SM + UE
Functions
Temperature Control Thermistor Thermistor
Allergy free filter - -
Plasma Filter O O
Prefilter(washable/anti-fungus) O O
Auto Clean O O
CHAOS Wind(Auto Wind) O O
Steps, Fan/Cool/Heat 5/6/6 5/6/6
Airflow Direction Control(up& Down) Auto Auto
Airflow Direction Control(left & right) Auto Auto
Remote Controller Type Better Better
Setting Temperature Cooling 18°C ~ 30°C 18°C ~ 30°C
Range Heating 16°C ~ 30°C 16°C ~ 30°C
Auto Operation (Micom Control) - -
Auto Changeover (Micom Control) O O
Self Diagnosis O O
Timer 24h, On/Off 24h, On/Off
Sleep Operation O O
Soft Dry Operation O O
Restart Delay(minute) 3 3
Deice Control(Defrost) O O
Hot Start O O
Jet Cool O O
Low Ambient Operation O O
Special Function Water Level Sensor Water Level Sensor
- 3 -
Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
2. Piping Diagrams
Indoor Unit Outdoor Unit
Heat
Exchanger
(Evaporator)
Heat
Exchanger
(Condenser)
Compressor
Accumulator
Gas Side
3-Way Valve
2-Way Valve
Liquid Side
Cooling
Heating
Reversing Valve
EEV
Th1
Th6
Th3
Th7
Th4
Th5
LOC. Description PCB Connector
Th1 Thermistor for sunction air temperature CN-TH1(Indoor)
Th3 Water level sensor (Option) CN-TH2(Indoor)
Th4 Thermistor for evaporator middle temperature CN-TH3(Indoor)
Th5 Thermistor for discharge pipe temperature CN-TH2(OUTDOOR)
Th6 Thermistor for condensing temperature CN-TH1(OUTDOOR)
Th7 Thermistor for outdoor air temperature CN-TH1(OUTDOOR)
※ EEV : Electronic Expansion Valve
- 4 -
Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. Wiring Diagrams
C
C
N-
N-C
N-
N-REMO
C
N-
N-TH3
C
N-
N-TH2
C
N-
N-TH1
C
N-
N-DISP1
C
N-
N-HVB
C
N-
N-DISP3
C
N-
N-12V
C
N-
N-SW
C
N-
N-DISP2
C
N-
N-SUB1
C
N-
N-STEP_R
C
N-
N-PLASMAC
N-
N-MOTOR1
C
N-
N-SUB2
C
N-
N-STEP_L
C
N-
N-LIMI
C
N-
N-SUB
C
N-
N-U/D
C
N-
N-L/R
Indoor Unit
- 5 -
Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Safety Precautions
CN-COIL1CN-COIL2
CN-4WAY
CN-EEV
CN-TH1CN-TH2
CN-FAN(BLDC)
CN_TH4 CN_EEV
CN_TH3 CN_4WAY CN_PSC2
CN_PSC1
CN_MOTOR1
CN_CP(L)
CN_CP(N)
CN_TH2
Outdoor Unit
- 6 -
Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Exploded View
267110
263230C
152313
131410
W6631C
152302
135313
346810
135080
135500C
147581
352150
354212
249951
342800
149304
35211B
135311
147582
359011
354210
146811A
146811B
Option Part
733010
135500A
149303
268711G
W6640A
268711D
135316
263230B
268711H
266090
268711B
W51620B
W51620A
Indoor Unit
- 7 -
Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Outdoor Unit
435512
546810
349600
447910
550140
661400
554031
554160
552203A
552203B
552116
552202
559010
237202
437211
435301
349480
261704
430410
152503
437212
135500
263230A
263230B
649950
268711C
561410
W49810
W6631
W4986
W6640
435511B
55211G
552200
P/NO : MFL67501901
FEB. 2012
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LG LSU090HYV Owner's manual
- Category
- Split-system air conditioners
- Type
- Owner's manual
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