Multi Air ConditionerSVC MANUAL(Exploded View)MODEL : A5UW306FA3

CAUTIONBefore Servicing the unit, read the safety precautions in Standard 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

Nominal Capacity Cooling kWBtu/h

Heating kWBtu/h

Nominal Input Cooling kW(Min~Rating~Max) Heating kWEnergy label Testing CombinationRunning Current(Rating) Cooling A

Heating AStarting Current Cooling/Heating APower Supply Ø / V / Hz Power Supply Cable (outdoor) No.x mm2

Power and transmission cable No.x mm2

Dimensions W x H x D mm(inch)Net Weight kg(lbs)Max. Number of Connectable Indoor UnitsCompressor (Inverter) Type

Qty x ModelMotor typeOil charge volume ccOil Type

Compressor (Constant) TypeQty x ModelMotor typeOil charge volume ccOil Type

Refrigerant Charge (at 7.5m) g(oz)TypeControl

Heat Exchanger (Rows x Column x FPI) x No.Defrosting Method

Fan Capacitor µF/VacDriveDischarge Direction(Side/Top)Air Flow Rate x No. of Fan CMM(cfm)

Noise Level(H) Sound Pressure at 1m dB(A)+3Piping Connections Liquid(Ø) mm(inch)

Gas(Ø) mm(inch)Max. Interunit Total of Each Room mPiping Length For One Room mMax. Elevation Outdoor Unit~Indoor Unit mDifference Indoor Unit~Indoor Unit mOperation Range Cooling °C(°F)(Outdoor) Heating °C(°F)

Outdoor Unit A5UW306FA3

1.85~8.80~10.556300~30,000~36,000

2.22~10.1~12.17560~34,500~41,400

0.72~2.39~3.960.88~2.25~4.13

A/AMS07AH N40 * 3EA/ MS09AH N40 * 2EA

2.9~10.7~17.53.1~10.0~18.2

-1/220_240/50

3*2.54_0.75(Including Earth)

870*808*320(34.3*31.8*12.6)65(143.3)

5Twin-Rotary5KD240X

BLDC900

FV50S-----

2,550(89.95)R410AE.E.V

2R*36C*18Reversing cycle

-DC

Side60(2119)

526.35(1/4)*5EA9.52(3/8)*5EA

7525157.5

-10 _43(14~109.5)-15 _ 24(5~75.3)

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 FormulakW = Btu/h x 0.0002931cfm = CMM x 35.3

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

2. List of Functions

Defrost / DeicingHigh Pressure SwitchLow Pressure SwitchPhase protectionRestart Delay (3-minutes)Self DiagnosisSoft StartTest FunctionAuto Changeover Auto Restart OperationCentral control(LGAP)PDI(Power Distribution Indicator)PI485Low Ambient KitThermistor

FunctionCategoryA5UW306FA3[FM30AH UE3]

Reliability

Convenience

Special Function Kit

Others

CAC NetworkFunction

OXOXOOOXOOO

PQNUD1S00PMNFP14A0

O-

Note :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.

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

3. Piping Diagrams

Th1

Th2

Th3Th4

Eva.Sensor

Eva.Sensor

AirSensor

E-R

oom

D-R

oom

C-R

oom

B-R

oom

A-R

oom

Ø9.52Ø9.52

Main SVCV/V Ø15.88

ReversingValve

HeatExchanger

Main SVC V/V Ø12.7

Distributor

Low Pressure S/W

EEV-EEEV-DEEV-CEEV-BEEV-A

Ø6.35Ø6.35

Acc.

Inv.Comp

INDOOR OUTDOOR

LOC. Description PCB Connector

Th1 Thermistor for outdoor air temperature CN_TH2

Th2 Thermistor for condensing temperature CN_TH2

Th3 Thermistor for discharge pipe temperature CN_TH3

Th4 Thermistor for suction pipe temperature CN_TH3

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

4. Wiring Diagrams

CN_PFC_IN

CN_PFC_OUT

CN_MOTOR1 CN_COM

CN_TH3

CN_TH2

CN_LEV3

CN_LEV1

CN_LEV4

CN_LEV2

CN_LEV5

CN_PRESSCN_4WAY

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

5. Exploded View

W48

10

5590

10

5521

15

5540

31

5468

10

4304

10

5478

90

5541

60

1372

13A

4353

00

1372

13B

4353

01

3494

80

4372

11

4355

12

4372

10

4355

11

5614

10

5521

16

W49

810

5496

1026

8711

4479

1054

8490

6499

50

5521

11

5674

80D

SUC/

DIS

AIR/

PIPE

5674

80E

SERV

ICE MA

NUAL

INST

ALL M

ANUA

L

OWNE

RS MAN

UAL

6614

00A

5522

00

6614

00B

6614

00C

5522

03B

5522

03A

6614

00D

6614

00E

W51

620B

W51

620A

W49

86B

W49

86A

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 : MFL37468311 DECEMBER, 2007