LG AMNW18GECA0 User manual

Room Air Conditioner
SVC MANUAL(Exploded View)
MODEL : AMNW18GECA0 [MS18SQ NC0]
AMNW24GECA0 [MS24SQ NC0]
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
Internal Use Only
http://www.lge.com

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Copyright ©2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
1. Specification
Indoor
Note:
1. Capacities are based on the following conditions:
Cooling: - Indoor Temperature 27°C(80.6°F) DB/19°C(66.2°F) WB
- Outdoor Temperature 35°C(95°F) DB/24°C(75.2°F) WB
Heating: - Indoor Temperature 20°C(68°F) DB/15°C(59°F) WB
- Outdoor Temperature 7°C(44.6°F) DB/6°C(42.8°F) WB
Piping Length - Interconnecting Piping Length 7.5m
- Level Difference of Zero
2. Wiring cable size must comply with the applicable local and national code.
3. The specification may be subject to change without prior notice for purpose of improvement.
Conversion Formula
kW = Btu/h x 0.0002931
cfm = CMM x 35.3
1/220-240/50 1/220-240/50
6.6/7.3 9.8/10.4
BLDC BLDC
Cross Flow Fan Cross Flow Fan
6.35(1/4) 6.35(1/4)
12.70(1/2) 12.70(1/2)
1030*325*250 1030*325*250
40.6*12.8*9.84 40.6*12.8*9.84
EEV(in Outdoor Unit or BD)
4*1.0(Including Earth) 4*1.0(Including Earth)
Power supply Ø/V/Hz
Current (Cooling/Heating) A
Fan Motor type
Fan type
Piping Liquid mm(inch)
connections Gas mm(inch)
Dimensions mm
(W*H*D) inch
Referigerant control
Power&transmission cable No. x mm2
Model
AMNW18GECA0
[MS18SQ NC0]
AMNW24GECA0
[MS24SQ NC0]

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Copyright ©2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
2. Piping Diagrams
Liquid Side
2-Way Valve
or 3-Way Valve
3-Way Valve
Gas Side
Heat
Exchanger
(Evaporator)
Indoor Unit
Th1
Th2
Th3
LOC. Description PCB Connector
Th1 Thermistor for sunction air temperature CN-TH1(Indoor)
Th2 Thermistor for evaporator inlet temperature
Th3 Thermistor for evaporator outlet temperature CN-TH2(Indoor)

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Copyright ©2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
3. Wiring Diagrams
CN-12V
CN-DISP3RY-COMP
CN-IN/N1
CN-OPTION
CN-COM
CN-SUB
CN-U/D
CN-L/R
CN-TH1
CN-TH2
CN-REMO
CN-HVB
CN-DISP1
Main PCB

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Copyright ©2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
4. Exploded View
263230A
131410
135500B
W51620
268711C
W6640
346810
135090
135500A
147581 147582B
145200B
145200A
147582A
352150
W50400
354210
249951
342800
35211B
135311
359011
146811B
149303
135511
135500C
733010
135316
152301
263230C
268711G
268711J
268711E
149304
135303
152313
W51620A
W51620B
267110
352115B
352115A
Note) * Please ensure GCSC since the replacement parts may be changed depending upon the buyer’s request.
Please check the correct parts in View RPL(Replacement Part List) on GCSC.
(GCSC Website http://www.lge.com)

P/NO : MFL67482704 APRIL, 2014