LG AMNH09GTUC0 User manual

Multi Air Conditioner
SVC MANUAL(Exploded View)
MODEL : AMNH09GTUC0
AMNH12GTUC0
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

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Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
1. Specification
Notes:-
1. Capacities are based on the following conditions:
Cooling • Indoor temp. 27°C[80.6°F]DB/ 19°C[66.2°F]WB
• Outdoor temp. 35°C[95°F]DB/ 24°C[75.2°F]WB
• Interconnecting piping length 7.5m
• Level difference of zero
Heating • Indoor temp. 20°C[68°F]DB/ 15°C[59°F]WB
• Outdoor temp. 7°C[44.6°F]DB/ 6°C[42.8°F]WB
• Interconnecting piping length 7.5m
• Level difference of zero
2. Capacities are net capacities
3. Due to our policy of innovation some specifications may be changed without prior notification
4. To be added for more available models
5. EEV : Electronic expansion valve
Conversion formula
kcal/h= kW x 860
Btu/h = kW x 3412
cfm = m3/min x 35.3
l/s = CMM x 1000/60
Indoor unit type 1Way ceiling cassette (art type)
Model AMNW09GTUC0
[MT09AH NU1]
AMNW12GTUC0
[MT12AH NU1]
Power Supply Ø / V / Hz 1/220~240/50 1/220~240/50
Cooling Capacity kW 2.64 3.52
Btu/h 9,000 12,000
Heating Capacity kW 2.93 3.87
Btu/h 10,000 13,200
Current Nominal Running Current A 0.2 0.2
Fan
Motor Type BLDC BLDC
Fan Type Cross Flow Fan Cross Flow Fan
Motor Output(W) x No. of Unit 20 x 1 20 x 1
Air Flow Rate
(H / M / L)
CMM 7.5/7.3/6.8 8.1/7.4/7.0
CFM 265/258/240 286/261/247
Capacitor μF / Vac - -
Drive Direct Drive Direct Drive
Coil Row x Column x FPI 2R x 12C x 18 2R x 12C x 18
Dimensions (W x H x D)
Body mm 860 x 132 x 450 860 x 132 x 450
inch 33.8 x 5.2 x 17.7 33.8 x 5.2 x 17.7
Front Panel mm 1,100 x 34 x 500 1,100 x 34 x 500
inch 43.3 x 1.3 x 19.7 43.3 x 1.3 x 19.7
Net Weight Body kg (lbs) 13.5(29.8) 13.5(29.8)
Package kg (lbs) 17.0(37.5) 17.0(37.5)
Sound Level (H / M / L) dB(A) + 3 36/34/32 37/36/33
Piping
Connections
Liquid mm(inch) 6.35(1/4) 6.35(1/4)
Gas mm(inch) 9.52(3/8) 9.52(3/8)
Drain(OD/ID) mm Φ32.0 / 25.0 Φ32.0 / 25.0
Safety Devices Fuse, Thermal Protector for Fan Motor
Temperature Sensor Thermistor Thermistor
Referigerant R410A R410A
Referigerant Control EEV(in Outdoor unit or BD) EEV(in Outdoor unit or BD)
Connectable Outdoor Unit Multi F / FDX series Multi F / FDX series
Power and Transmission Interunit Cable No. x mm24 x 0.75(including earth) 4 x 0.75(including earth)

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Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
2. List of Functions
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.
Category Function AMNH09GTUC0
AMNH12GTUC0
Air flow
Air supply outlet 1
Airflow direction control(left & right) Auto
Airflow direction control(up & down) Auto
Auto swing(left & right) ○
Auto swing(up & down) ○
Airflow steps(fan/cool/heat) 4/5/4
Auto Swing ○
Chaos wind(Auto wind) ○
Jet cool(Power wind) ○
Swirl wind -
Air purifying
Deodorizing filter X
Plasma air purifier ○
Prefilter(washable / anti-fungus) ○
Installation
Drain pump ○
E.S.P. control ○
Electric heater(operation) X
High ceiling operation ○
Reliability
Hot start ○
Self diagnosis ○
Soft dry operation ○
Convenience
Auto changeover X
Auto cleaning ○
Auto operation(artificial intelligence) ○
Auto restart operation ○
Child lock ○
Forced operation ○
Group control ○
Sleep mode ○
Timer(on/off) ○
Timer(weekly) ○
Two thermistor control ○
Individual
control
Standard wired remote controller PQRCVSL0/PQRCVSL0QW
Wide wired remote controller ○
Deluxe wired remote controller PQRCUDS0
Simple wired remote controller PQRCUCS0C
Wired remote controller(for hotel use) PQRCFCS0C
Wireless remote controller(simple) -
Wireless Ez remote controller PQWRHDF0
Wireless LCD remote control -
CAC network
function
General central controller (Non LGAP) X
Dry contact PQDSB
Dry contact(Temperature Setting) PQDSBC
Simple central control(LGAP) ○
PDI(power distribution indicator) PQNUD1S00
PI 485 PMNFP14A0
Special
function kit
Zone control X
CTIE X
Others Remote temperature sensor -

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Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
3. Piping Diagrams
Heat exchanger
C.F.F.
lndoor unit
Th3
Th2
Th1
:Heating
:Cooling
M
■Refrigerant pipe connection port diameter
Model
AMNH09GTUC0
AMNH12GTUC0
Gas
Ø9.52(3/8)
Ø9.52(3/8)
Liquid
Ø6.35(1/4)
Ø6.35(1/4)
[Unit: mm(inch)]
LOC. Description
Th1 Room thermistor
Th2 Pipe in thermistor
Th3 Pipe out thermistor

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Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
4. Wiring Diagrams
CN-MOTOR1 CN-FLOAT CN-DISPLAY
CN-D/PUMP CN-VANE1
CN-POWER
CN-REMO
CN-PIPE/OUT
CN-PIPE/IN
CN-ROOM
CN-AIRC
CAUTION
For Multi model, dip switch 1,2,6,7,8 must be set off.
Those dip switches are used for other models.
Dip switch setting Off On Remarks
SW3 Group Master Slave Group control setting using wired remote controller
Dry contact mode setting
1. Variable : Auto/manual mode can be chosen by wide wired
SW4 Dry contact Variable Auto remote controller or wireless remote controller
(when shipped from factory →manual mode)
2. Auto : For dry contact, it is always auto mode.
1. Duct model
-. Off : Default(not operate continuosly )
-. On : Fan operate continuosly
SW5 Extra 1 Off On 2. Cassette model : No function
3. Ceiling suspended model
-. Off : Ceiling(default)
-. On : Floor
Model: AMNH**GTUC0

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Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
5. Exploded View
152302
W3110
159830A
330870
352118
263230C
158591
266010
552111
354210
263230B
359011
352380D
135500A
346810
352380A
135500C
352150
135511
131410
352150
266090
135500B
267110
149304
342800
158580
159830B
152500
268711B
249940 263230A
135500D
W6640
249951
268711D
Model: AMNH**GTUC0
Location No. Description Sensor Information Housing color
263230A Thermistor 1 Air Yellow
263230B Thermistor 2 Pipe in White
263230C Thermistor 3 Pipe Out Red

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Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
5. Exploded View
W4810B
147740
146811
145200D
145200B
145200C
147582
147581
W4810A
137213A 135800
135316
137211
137213B
W4810A
145200A
135500
146811
268711
TU chassis : Front panel (grille type) : PT-UUC1

P/NO : MFL67568601 MAY, 2012