Multi V Air ConditionerSVC MANUAL(Exploded View)MODEL : ARNU18GTL*2 ARNU24GTL*2

CAUTIONBefore 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 ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

1. Specification

TypeModel Unit

kWCooling Capacity kcal/h

Btu/hkW

Heating Capacity kcal/hBtu/h

Casing

Bodymm

Dimensions (WxDxH) inch

Front Panel mminch

Coil Rows x Columns x FPIFace Area m2

TypeMotor Output x Number WRunning Current A

Fan Air Flow Rate(H/M/L) CMMcfm

DriveMotor type

Temperature ControlSound Absorbing Thermal Insulation MaterialSafety Device

Liquid Side mm(inch)Pipe Connections Gas Side mm(inch)

Drain Pipe(Internal Dia.) mmNet Weight Body kg(lbs)Noise Level(Sound Press, 1.5m, H/M/L) dB(A)

Power Supply Ø, V, Hz

Refrigerant ControlPower cableTransmission cablePanel ColorPanel Name(Acc'y)

2Way Ceiling CassetteARNU18GTL*2

5.64,80019,100

6.35,40021,500

Galvanized Steel Plate830x550x22532.6x21.6x8.9

1,050x640x28.541.3x25.2x1.1

2x11x200.13

Cross Flow Fan20x2

0.18x213/12/10

459/424/353DirectBLDC

Microprocessor, Thermostat for cooling and heatingFoamed polystrene

FuseØ6.35(1/4)Ø12.7(1/2)

25.0 22(48.5)40/35/30

1, 220 ~ 240, 501, 220, 60

EEVCV1.5 x 3C

CVV-SB 1.25 x 2CMorning fog

PT-HL*

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 Capacities3. Due to our policy of innovation some specifications may be changed without prior notification4. To be added for more available Models5. EEV : Electronic Expansion Valve

* Model NameA:Basic, C:Plasma

Conversion Formula

kcal/h= kW x 860Btu/h = kW x 3412cfm = m3/min x 35.3l/s = CMM x 1000/60

- 3 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

TypeModel Unit

kWCooling Capacity kcal/h

Btu/hkW

Heating Capacity kcal/hBtu/h

Casing

Bodymm

Dimensions (WxDxH) inch

Front Panel mminch

Coil Rows x Columns x FPIFace Area m2

TypeMotor Output x Number WRunning Current A

Fan Air Flow Rate(H/M/L) CMMcfm

DriveMotor type

Temperature ControlSound Absorbing Thermal Insulation MaterialSafety Device

Liquid Side mm(inch)Pipe Connections Gas Side mm(inch)

Drain Pipe(Internal Dia.) mmNet Weight Body kg(lbs)Noise Level(Sound Press, 1.5m, H/M/L) dB(A)

Power Supply Ø, V, Hz

Refrigerant ControlPower cableTransmission cablePanel ColorPanel Name(Acc'y)

2Way Ceiling CassetteARNU24GTL*2

7.16,10024,200

8.06,90027,300

Galvanized Steel Plate830x550x22532.6x21.6x8.9

1,050x640x28.541.3x25.2x1.1

2x11x200.13

Cross Flow Fan20x2

0.18x217/15/13

601/530/459DirectBLDC

Microprocessor, Thermostat for cooling and heatingFoamed polystrene

FuseØ9.52(3/8)Ø15.88(5/8)

25.0 22(48.5)42/37/32

1, 220 ~ 240, 501, 220, 60

EEVCV1.5 x 3C

CVV-SB 1.25 x 2CMorning fog

PT-HL*

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 Capacities3. Due to our policy of innovation some specifications may be changed without prior notification4. To be added for more available Models5. EEV : Electronic Expansion Valve

* Model NameA:Basic, C:Plasma

Conversion Formula

kcal/h= kW x 860Btu/h = kW x 3412cfm = m3/min x 35.3l/s = CMM x 1000/60

- 4 -Copyright ©2007 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 relationOption : 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.

Air supply outletAirflow direction control(left & right)Airflow direction control(up & down)Auto swing(left & right)

Air flowAuto swing(up & down)Airflow steps(fan/cool/heat)Chaos swingChaos wind(auto wind)Jet cool(Power wind)Swirl windDeodorizing filter

Air purifying Plasma air purifierPrefilter(washable / anti-fungus)Drain pump

InstallationE.S.P. controlElectric heater(operation)High ceiling operationHot start

Reliability Self diagnosisSoft dry operationAuto changeoverAuto cleaningAuto operation(artificial intelligence)Auto restart operationChild lock

Convenience Forced operationGroup controlSleep modeTimer(on/off)Timer(weekly)Two thermistor controlStandard wired remote controllerWide Character wired remote controllerPicto wired remote controller

Individual Deluxe wired remote controllercontrol Simple wired remote controller

Wired remote controller(for hotel use)Wireless remote controller(simple)Wireless LCD remote control

SpecialZone control

function kitCTIEElectro thermostat

2-

auto-O

4/5/4XOOOX

OptionOOOXOOOO

O(only heat recovery)X

O(only heat pump or cooling only)OOOOOOOO

Accessory

Accessory

AccessoryAccessoryAccessory

XAccessory

---

FunctionCategory ARNU18GTL*2, ARNU24GTL*2

- 5 -Copyright ©2007 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

EEV :Heating:Cooling

Filter

Filter

Th3 Th2

Th1

Refrigerant pipe connection port diameter

Model

ARNU18GTL*2

ARNU24GTL*2

Gas

Ø12.7(1/2)

Ø15.88(5/8)

Liquid

Ø6.35(1/4)

Ø9.52(3/8)

[unit: mm(inch)]

LOC. Description

Th1 Room thermistor

Th2 Pipe in thermistor

Th3 Pipe out thermistor

- 6 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

4. Wiring Diagrams

CN_ROOM

CN_PIPE/IN

CN_PIPE/OUT

CN_REMO

CN_DISPCN_EEV

CN_OPITIONCN_MOTOR

CN_POWER

CN_D/PUMP

CN_VANE1

CN_VANE2

CN_HVB

CN_FLOAT

CN_GRILLCN_COM

- 7 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

5. Exploded View

Thermistor 1 567480A Air Housing color : yellow

Thermistor 2 567480B Eva. in Housing color : white

Thermistor 3 567480C Eva. out Housing color : red

330870

268711D

268711C

268711E

359011

158591

352150

W6640249951

W0FZZ

352116

354210B

354210A

55211G

342800

130911

W50011

346810

567480A

567480B

567480C

THERMISTOR 1

THERMISTOR 2

THERMISTOR 3

TL (Standard model)

- 8 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only

TL (Plasma model)

Thermistor 1 567480A Air Housing color : yellow

Thermistor 2 567480B Eva. in Housing color : white

Thermistor 3 567480C Eva. out Housing color : red

330870

268711D

268711C

359011

158591

352150

W6640249951

W0FZZ

352116

354210B

354210A

55211G

342800

130911

W50011

346810266090

159830

567480A

567480B

567480C

THERMISTOR 1

THERMISTOR 2

THERMISTOR 3

268711E

P/NO : MFL42947603 January, 2008