LG LMCN125HV User manual

Multi Air Conditioner
SVC MANUAL(Exploded View)
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
MODEL : AMNW12GTRA0(LMCN125HV)
AMNW18GTQA0(LMCN185HV)

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
1. Specification
Note:
1. Capacities are based on the following conditions:
Cooling: - Indoor Temperature 26.7˚C(80˚F) DB/19.4˚C(67˚F)
- Outdoor Temperature 35˚C(95˚F) DB/23.9˚C(75˚F)
Heating: - Indoor Temperature 21.1˚C(70˚F) DB/15.6˚C(60˚F) WB
- Outdoor Temperature 8.3˚C(47˚F) DB/6.1˚C(43˚F) WB
Piping Length - Interconnecting Piping Length 7.5m(24.6 ft.)
- 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.
4. For more Capacity(*),refer to the combination table
Conversion Formula
kW = Btu/h class X 0.0002931
cfm = CMM x 35.3
Power Supply Ø / V / Hz
Capacity(*) Btu/h class
Current Running Current A
Fan Motor Type
Fan Type
Motor Output(W) x No. of Unit
Air Flow Rate CMM
(H / M / L) CFM
External Static Pressure mmAq
Capacitor µF / Vac
Drive
Coil Row x Column x FPI
Dimensions Body mm(inch)
(W x H x D) Decorative Panel mm(inch)
Net Weight Body kg (lbs)
Decorative Panel kg (lbs)
Air Filter
Sound Level (H / M / L) dB(A)+3
Piping Liquid mm (inch)
Connections Gas mm (inch)
Drain(OD/ID) mm(inch)
Dehumidification Rate l/h
Safety Devices
Temperature Sensor
Referigerant
Referigerant Control
Transmission Interunit Cable No. x AWG
Model
Decoration Panel Name
AMNW12GTRA0[LMCN125HV]
PT-UQC AMNW18GTQA0[LMCN185HV] PT-UQC
Indoor unit type Ceilling Cassette - 4way
1/ 208~230/ 60 1/ 208~230/ 60
12,000 18,000
0.25 0.25
BLDC BLDC
Turbo Fan Turbo Fan
43 x 1 43 x 1
9.5/ 8/ 7 13/ 12/ 11
335/282/247 459/424/388
--
--
Direct Drive Direct Drive
2R x 8C x 18 2R x 10C x 18
570 x 214 x 570 ( 22 7/16 x 8 7/16 x 22 7/16) 570 x 256 x 570 ( 22 7/16 x 10 x 22 7/16)
700 x 30 x 700 (27 6/19 x 1 3/16 x 27 6/19) 700 x 30 x 700 (27 6/19 x 1 3/16 x 27 6/19)
14 (30.9) 15 (33.1)
3 (6.6) 3 (6.6)
Long life filter Long life filter
38/ 35/ 32 38/ 37/ 34
6.35 (1/4) 6.35 (1/4)
9.52 (3/8) 12.7 (1/2)
32 / 25(1.26/0.984) 32 / 25(1.26/0.984)
22
Fuse, thermal protector for fan motor Fuse, thermal protector for fan motor
Thermistor Thermistor
R410A R410A
EEV(in Outdoor unit) EEV(in Outdoor unit)
4X18(Including Earth) 4X18(Including Earth)

Air supply outlet
Airflow direction control(left & right)
Airflow direction control(up & down)
Auto swing(left & right)
Auto swing(up & down)
Airflow steps(fan / cool / heat)
Chaos swing
Chaos wind(auto wind)
Jet cool(Power wind)
Swirl wind
Deodorizing filter
Plasma air purifier
Prefilter(washable / anti-fungus)
Drain pump
E.S.P. control
Electric heater(operation)
High ceiling operation
Hot start
Self diagnosis
Soft dry operation
Auto changeover
Auto cleaning
Auto operation(artificial intelligence)
Auto restart operation
Child lock
Energy-Saving Cooling Mode
Forced operation
Group control
Sleep mode
Timer(on/off)
Timer(weekly)
Two thermistor control
Wide wired remote controller
Deluxe wired remote controller
Simple wired remote controller
Simple wired remote controller(for hotel use)
Wireless remote controller(simple)
Wireless LCD remote control
Wireless LCD remote control(Ez)
General central controller (Non LGAP)
Dry contact
Central control(LGAP)
PDI(power distribution indicator)
PI 485
CTIE
Zone control
Thermistor
2. Function Table
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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Air flow
Air Purifier
Installation
Reliability
Convenience
Individual
Control
CAC
Network Function
Special
Function Kit
Others
44
XX
Auto Auto
XX
OO
4/5/4 4/5/4
XX
OO
OO
OO
XX
Option Option
OO
OO
--
XX
OO
OO
OO
OO
XX
XX
OO
OO
OO
XX
OO
OO
OO
OO
OO
OO
Accessory (PQRCUSA0) Accessory (PQRCUSA0)
Accessory (PQRCUDS0) Accessory (PQRCUDS0)
XX
Accessory (PQRCFCS0C) Accessory (PQRCFCS0C)
XX
XX
OO
XX
Accessory (PQDSB) Accessory (PQDSB)
Accessory (PQCSB101S0) Accessory (PQCSB101S0)
Accessory (PQNUD1S00) Accessory (PQNUD1S00)
Accessory (PMNFP14A0) Accessory (PMNFP14A0)
--
--
FunctionCategory AMNW12GTRA0
[LMCN125HV] AMNW18GTQA0 [LMCN185HV]
Note :
O : Applied, X : Not applied, - : No relation
* Option : Model name & price are different according to options, and assembled in factory with main unit.
* Accessory : Installed at field, ordered and purchased separately by the corresponding model name, supplied with separate package.

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
3. Piping Diagrams
Heat exchanger Gas pipe connection port
(flare connection)
Liquid pipe connection port
(flare connection)
Cooling
Heating
Turbo fan
Th3
Th1
Th2
LOC. Description PCB Connector
Th1 Thermistor for sunction air temperature CN_ROOM
Th2 Thermistor for evaporator inlet temperature CN_PIPE/IN
Th3 Thermistor for evaporator outlet temperature CN_PIPE/OUT

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
4. Wiring Diagrams
CN-D/PUMP
CN-D/PUMP
CN-POWER
CN-POWER
CN-VANE2
CN-VANE2
CN-VANE1
CN-VANE1
CN-DISPLAY
CN-DISPLAY
CN-MOTOR1
CN-MOTOR1
CN-REMO
CN-REMO
CN-FLOAT
CN-FLOAT
CN-ROOM
CN-ROOM
CN-OPTION
CN-OPTION
CN-PIPE/IN
CN-PIPE/IN
CN-PIPE/OUT
CN-PIPE/OUT
CN-D/PUMP
CN-POWER CN-VANE2
CN-VANE1
CN-DISPLAY
CN-MOTOR1
CN-VANE1
CN-VANE1
CN-AIRC
CN-CC
CN-REMO
CN-FLOAT CN-ROOM
CN-OPTION
CN-PIPE/IN
CN-PIPE/OUT

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
5. Exploded View
Note) * Please ensure GCSC since the replacement parts may be changed depending upon the buyer°Øs request.
Please check the correct parts in View RPL(Replacement Part List) on GCSC.
(GCSC Website http://biz.Lgservice.com,)
130411
131410
354211
148000
346810
352150249310
267110
352116
263230B
Eva-in sensor
263230C
Eva-out sensor
349600
W49810
330871B
330871A
349480
W3110
359012
140570
158580 130911B
158591
130911A
249951
W51620
268711E
268711C
263230A
Air-Inlet sensor
135511
266010
352115
W6640

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Front Panel (Accessory)
• Model : PT-UQC
135316
159830
749740B
749740A
135800
135303
146811
237202
145200 268711
135500
147581
266001
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://biz.Lgservice.com,)

P/NO : MFL61777609 FEBRUARY, 2009