LG ARNU15GB3G4, ARNU07GB3G4, ARNU09GB3G4, ARNU12GB3G4, ARNU18GB4G4 Svc Manual

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Multi V Air Conditioner

SVC MANUAL(Exploded View)

MODEL : ARNU07GB3G4 ARNU09GB3G4 ARNU12GB3G4 ARNU15GB3G4

ARNU18GB4G4 ARNU24GB4G4

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 -

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(24.6ft)

• 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(24.6ft)

• Level Difference of Zero

2. Capacities are net capacities

3. Due to our policy of innovation some specifications may be changed without notification

4. EEV: Electronic Expansion Valve

5. To be added for more available Models

Conversion Formula

kcal/h= kW x 860 Btu/h = kW x 3412 cfm = m

/min x 35.3

l/s = CMM x 1000/60

Type Ceiling Concealed Duct (Built-in)

Accessory PBSGB30/PBSC30 PBSGB30/PBSC30 PBSGB30/PBSC30

Model Unit ARNU07GB3G4 ARNU09GB3G4 ARNU12GB3G4

Cooling Capacity

kW 2.2 2.8 3.6

kcal/h 1,900 2,400 3,100

Btu/h 7,500 9,600 12,300

Heating Capacity

kW 2.5 3.2 4

kcal/h 2,200 2,800 3,400

Btu/h 8,500 10,900 13,600 Casing Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate Dimensions

(WxHxD)

Body

mm 820 x 190 x 575 820 x 190 x 575 820 x 190 x 575

inch

32-9/32 x 7-15/32 x 22-5/8 32-9/32 x 7-15/32 x 22-5/8 32-9/32 x 7-15/32 x 22-5/8

Coil

Rows x Columns x FPI 2 x 11 x 21 2 x 11 x 21 2 x 11 x 21 Face Area m

0.16 0.16 0.16

Fan

Type Sirocco Fan Sirocco Fan Sirocco Fan Motor Output x Number

W 19 x 1, 5 x 1 19 x 1, 5 x 1 19 x 1, 5 x 1

Running Current A 0.76 0.76 0.76 Air Flow Rate(H / M / L)

(High Mode-factor set) External Static Pressure

CMM 8.0 / 6.5 / 5.5 9.0 / 7.0 / 6.0 10.0 / 8.0 / 6.5

cfm 283 / 229 / 194 318 / 247 / 212 353 / 283 / 229

mmAq(Pa) 2(20) 2(20) 2(20)

Air Flow Rate(H / M / L) (Standard Mode) External Static Pressure

CMM 8.0 / 6.5 / 5.5 9.0 / 7.0 / 6.0 10.0 / 8.0 / 6.5

cfm 283 / 229 / 194 318 / 247 / 212 353 / 283 / 229

mmAq(Pa) 0(0) 0(0) 0(0) Drive Direct Direct Direct Motor type BLDC BLDC BLDC

Temperature Control

Microprocessor, Thermostat

for cooling and heating

Microprocessor, Thermostat

for cooling and heating

Microprocessor, Thermostat

for cooling and heating Sound Absorbing Thermal Insulation Material Foamed polystrene Foamed polystrene Foamed polystrene Air Filter - - Safety Device

Fuse, Thermal Fuse for Fan Motor Fuse, Thermal Fuse for Fan Motor Fuse, Thermal Fuse for Fan Motor

Pipe Connections

Liquid Side mm(inch) Ø6.35(1/4) Ø6.35(1/4) Ø6.35(1/4) Gas Side mm(inch) Ø12.7(1/2) Ø12.7(1/2) Ø12.7(1/2) Drain Pipe(Internal Dia.)

mm(inch) 25.4(1) 25.4(1) 25.4(1) Net Weight kg(lbs) 21(46.3) 21(46.3) 21(46.3) Noise Level(Sound Press, 1m, H / M / L) dB(A) 33 / 32 / 29 34 / 33 / 32 35 / 34 / 33

Power Supply Ø, V, Hz

1, 220-240, 50 1, 220-240, 50 1, 220-240, 50

1, 220, 60 1, 220, 60 1, 220, 60 Refrigerant Control EEV EEV EEV Power cable mm

CV1.5 x 3C CV1.5 x 3C CV1.5 x 3C

Transmission cable mm

CVV-SB 1.0~1.5 x 2C CVV-SB 1.0~1.5 x 2C CVV-SB 1.0~1.5 x 2C

- 3 -

LGE Internal Use Only

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(24.6ft)

• 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(24.6ft)

• Level Difference of Zero

2. Capacities are net capacities

3. Due to our policy of innovation some specifications may be changed without notification

4. EEV: Electronic Expansion Valve

5. To be added for more available Models

Conversion Formula

kcal/h= kW x 860 Btu/h = kW x 3412 cfm = m

/min x 35.3

l/s = CMM x 1000/60

Type Ceiling Concealed Duct (Built-in)

Accessory PBSGB30/PBSC30 PBSGB40/PBSC40 PBSGB40/PBSC40

Model Unit ARNU15GB3G4 ARNU18GB4G4 ARNU24GB4G4

Cooling Capacity

kW 4.5 5.6 7.1

kcal/h 3,900 4,800 6,100

Btu/h 15,400 19,100 24,200

Heating Capacity

kW 5 6.3 8

kcal/h 4,300 5,400 6,900

Btu/h 17,100 21,500 27,300 Casing Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate Dimensions

(WxHxD)

Body

mm 820 x 190 x 575 1,100 x 190 x 575 1,100 x 190 x 575

inch

32-9/32 x 7-15/32 x 22-5/8 43-5/16 x 7-15/32 x 22-5/8 43-5/16 x 7-15/32 x 22-5/8

Coil

Rows x Columns x FPI 2 x 11 x 21 3 x 10 x 18 3 x 10 x 18 Face Area m

0.16 0.23 0.23

Fan

Type Sirocco Fan Sirocco Fan Sirocco Fan Motor Output x Number

W 19 x 1, 5 x 1 19 x 2 19 x 2

Running Current A 0.76 0.97 0.97 Air Flow Rate(H / M / L)

(High Mode-factor set) External Static Pressure

CMM 11.0 / 10.0 / 8.0 14.0 / 12.0 / 10.0 17.0 / 15.0 / 10.0

cfm 388 / 353 / 283 494 / 424 / 353 600 / 530 / 353

mmAq(Pa) 2(20) 2(20) 2(20)

Air Flow Rate(H / M / L) (Standard Mode) External Static Pressure

CMM 11.0 / 10.0 / 8.0 14.0 / 12.0 / 10.0 17.0 / 15.0 / 10.0

cfm 388 / 353 / 283 494 / 424 / 353 600 / 530 / 353

mmAq(Pa) 0(0) 0(0) 0(0) Drive Direct Direct Direct Motor type BLDC BLDC BLDC

Temperature Control

Microprocessor, Thermostat

for cooling and heating

Microprocessor, Thermostat

for cooling and heating

Microprocessor, Thermostat

for cooling and heating Sound Absorbing Thermal Insulation Material Foamed polystrene Foamed polystrene Foamed polystrene Air Filter - - Safety Device

Fuse, Thermal Fuse for Fan Motor Fuse, Thermal Fuse for Fan Motor Fuse, Thermal Fuse for Fan Motor

Pipe Connections

Liquid Side mm(inch) Ø6.35(1/4) Ø6.35(1/4) Ø9.52(3/8) Gas Side mm(inch) Ø12.7(1/2) Ø12.7(1/2) Ø15.88(5/8) Drain Pipe(Internal Dia.)

mm(inch) 25.4(1) 25.4(1) 25.4(1) Net Weight kg(lbs) 21(46.3) 26(57.3) 26(57.3) Noise Level(Sound Press, 1m, H / M / L) dB(A) 41 / 40 / 37 43 / 40 / 37 46 / 43 / 37

Power Supply Ø, V, Hz

1, 220-240, 50 1, 220-240, 50 1, 220-240, 50

1, 220, 60 1, 220, 60 1, 220, 60 Refrigerant Control EEV EEV EEV Power cable mm

CV1.5 x 3C CV1.5 x 3C CV1.5 x 3C

Transmission cable mm

CVV-SB 1.0~1.5 x 2C CVV-SB 1.0~1.5 x 2C CVV-SB 1.0~1.5 x 2C

- 4 -

LGE Internal Use Only

2. List of Functions

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

Air flow

Auto swing(up & down) Airflow steps(fan/cool/heat) Chaos swing Chaos wind(auto wind) Jet cool(Power wind) Swirl wind Deodorizing filter

Air purifying Plasma air purifier

Prefilter(washable / anti-fungus) Drain pump

Installation

E.S.P. control Electric heater(operation) High ceiling operation Hot start

Reliability Self diagnosis

Soft dry operation Auto changeover Auto cleaning Auto operation(artificial intelligence) Auto restart operation Child lock

Convenience Forced operation

Group control Sleep mode Timer(on/off) Timer(weekly) Two thermistor control Standard wired remote controller Wide Character wired remote controller

Picto wired remote controller Individual Deluxe wired remote controller control Simple wired remote controller

Wired remote controller(for hotel use)

Wireless remote controller(simple)

Wireless LCD remote control

Special

Zone control

function kit

CTIE

Electro thermostat

3/3/3

X X

O O O X

O O O

O(only heat recovery)

O(only heat pump or cooling only)

O O

O X O O O

Accessory

Accessory Accessory Accessory

X Accessory Accessory

Function

LG ARNU15GB3G4, ARNU07GB3G4, ARNU09GB3G4, ARNU12GB3G4, ARNU18GB4G4 Svc Manual

Specifications and Main Features

Frequently Asked Questions

User Manual