LG URNU76GB8A2 Manuel utilisateur

Multi V Air Conditioner

SVC MANUAL(Exploded View)

MODEL : URNU76GB8A2

URNU96GB8A2

Internal Use Only

http://biz.lgservice.com

CAUTION

Before Servicing the unit, read the safety precautions in General SVC manual.

Only for authorized service personnel.

URNU763B8A2

URNU963B8A2

2Multi V Air Conditioner

1. Specification

Note:

1. Capacities are based on the following conditions:

Cooling: - Indoor Temperature 27°C(80.6°C) DB/19°C(66.2°C) WB

- Outdoor Temperature 35°C(95°C) DB/24°C(75.2°C) WB

Heating: - Indoor Temperature 20°C(68°C) DB/15°C(59°C) WB

- Outdoor Temperature 7°C(44.6°C) DB/6°C(42.8°C) 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.

Indoor Unit Type

Model

Decorative Panel Model

zH/V/ØylppuSrewoP

WkyticapaCgnilooC

Btu/h

WkyticapaCgnitaeH

Btu/h

Current Nominal Running Current A

Fan Motor Type

Fan Type

Motor Output(W) x No. of Unit

Air Flow Rate CMM

mfc)L/M/H(

External Static Pressure mmAq

Capacitor µF / Vac

Drive

Coil Row x Column x FPI

)hcni(mmydoBsnoisnemiD

(W x H x D) Decorative Panel mm(inch)

)sbl(gkydoBthgieWteN

Decorative Panel kg (lbs)

Air Filter

3+)A(Bd)L/M/H(leveLdnuoS

)hcni(mmdiuqiLgnipiP

)hcni(mmsaGsnoitcennoC

Drain(OD/ID) mm

h/letaRnoitacifidimuheD

Safety Devices

Temperature Sensor

Referigerant

Referigerant Control

Connectable Outdoor Unit

Power and Transmission Interunit Cable No. x mm2

Ceiling Concealed Duct(High Static)

URNU76GB8A2 URNU96GB8A2

1/220~240/50, 60 1/220~240/50, 60

824.22

009,59004,67

5.132.52

005,701000,68

21.521.5

CDLBCDLB

occoriSoccoriS

2*5732*573

46/46/6705/05/46

2260/1765/1765 2683/2259/2259

2222

tceriDtceriD

91x02x391x02x3

1562*460*688 1562*460*688

)291(78)291(78

05/05/2584/84/05

)8/3(25.9)8/3(25.9

)8/7(2.22)4/3(50.91

21/17, (32/25) 21/17, (32/25)

ESUFESUF

rotsimrehTrotsimrehT

A014RA014R

VEEVEE

VitluMVitluM

CV2.0*3C/CVV-SB1.25*2C CV2.0*3C/CVV-SB1.25*2C

Conversion Formula

kW = Btu/h x 0.0002931

cfm = CMM x 35.3

2Multi V Air Conditioner

1. Specification

Note:

1. Capacities are based on the following conditions:

Cooling: - Indoor Temperature 27°C(80.6°C) DB/19°C(66.2°C) WB

- Outdoor Temperature 35°C(95°C) DB/24°C(75.2°C) WB

Heating: - Indoor Temperature 20°C(68°C) DB/15°C(59°C) WB

- Outdoor Temperature 7°C(44.6°C) DB/6°C(42.8°C) 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.

Indoor Unit Type

Model

Decorative Panel Model

zH/V/ØylppuSrewoP

WkyticapaCgnilooC

Btu/h

WkyticapaCgnitaeH

Btu/h

Current Nominal Running Current A

Fan Motor Type

Fan Type

Motor Output(W) x No. of Unit

Air Flow Rate CMM

mfc)L/M/H(

External Static Pressure mmAq

Capacitor µF / Vac

Drive

Coil Row x Column x FPI

)hcni(mmydoBsnoisnemiD

(W x H x D) Decorative Panel mm(inch)

)sbl(gkydoBthgieWteN

Decorative Panel kg (lbs)

Air Filter

3+)A(Bd)L/M/H(leveLdnuoS

)hcni(mmdiuqiLgnipiP

)hcni(mmsaGsnoitcennoC

Drain(OD/ID) mm

h/letaRnoitacifidimuheD

Safety Devices

Temperature Sensor

Referigerant

Referigerant Control

Connectable Outdoor Unit

Power and Transmission Interunit Cable No. x mm2

Ceiling Concealed Duct(High Static)

URNU763B8A2 URNU963B8A2

1/220~240/50, 60 1/220~240/50, 60

824.22

009,59004,67

5.132.52

005,701000,68

21.521.5

CDLBCDLB

occoriSoccoriS

2*5732*573

46/46/6705/05/46

2260/1765/1765 2683/2259/2259

2222

tceriDtceriD

91x02x391x02x3

1562*460*688 1562*460*688

)291(78)291(78

05/05/2584/84/05

)8/3(25.9)8/3(25.9

)8/7(2.22)4/3(50.91

21/17, (32/25) 21/17, (32/25)

ESUFESUF

rotsimrehTrotsimrehT

A014RA014R

VEEVEE

VitluMVitluM

CV2.0*3C/CVV-SB1.25*2C CV2.0*3C/CVV-SB1.25*2C

Conversion Formula

kW = Btu/h x 0.0002931

cfm = CMM x 35.3

Service Manual 3

2. List of Functions

1teltuoylppusriAwolfriA

-)thgir&tfel(lortnocnoitceridwolfriA

-)nwod&pu(lortnocnoitceridwolfriA

-)thgir&tfel(gniwsotuA

-)nwod&pu(gniwsotuA

3/3/3)taeh/looc/naf(spetswolfriA

-gniwssoahC

-)dniwotua(dniwsoahC

-)dniwrewoP(loocteJ

-dniwlriwS

XretlifgnizirodoeDgniyfirupriA

XreifirupriaamsalP

O)sugnuf-itna/elbahsaw(retliferP

OpmupniarDnoitallatsnI

)rellortnocetomerderiwylno(Olortnoc.P.S.E

X)noitarepo(retaehcirtcelE

-noitarepogniliechgiH

OtratstoHytilibaileR

OsisongaidfleS

OnoitarepoyrdtfoS

XrevoegnahcotuAecneinevnoC

XgninaelcotuA

)pmuptaehylno(O)ecnegilletnilaicifitra(noitarepootuA

OnoitarepotratserotuA

)rellortnocetomerderiwylno(OkcoldlihC

-noitarepodecroF

)rellortnocetomerderiwylno(OlortnocpuorG

XedompeelS

O)ffo/no(remiT

)rellortnocetomerderiwylno(O)ylkeew(remiT

)rellortnocetomerderiwylno(OlortnocrotsimrehtowT

0ZSUCRDPrellortnocetomerderiwdradnatSlortnoclaudividnI

0SDUCRQPrellortnocetomerderiwexuleD

0ACUCRQPrellortnocetomerderiwelpmiS

0SCFCRQP)esuletohrof(rellortnocetomerderiW

X)elpmis(rellortnocetomersseleriW

)C(0FSCRWQP/)H(0FSHRWQPlortnocetomerDCLsseleriW

X)PAGLnoN(rellortnoclartneclareneGkrowtenCAC

BSDQPtcatnocyrDnoitcnuf

O)PAGL(noitauloSkrowteN

00S1DUNQP)rotacidninoitubirtsidrewop(IDP

0A41PFNMP584IP

ACZBAlortnocenoZtiknoitcnuflaicepS

CTIE -

-tatsomrehtortcelE

ATTQArotsimrehTsrehtO

Category Function

URNU76GB8A2/URNU96GB8A2

URNU763B8A2/URNU963B8A2

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.

4Multi V Air Conditioner

3. Piping Diagrams

Indoor Unit

Th2

Th3 Th2

Filter

Check

Valve

Solenoid Valve

EEV

Th1

Heat Exchanger

: Cooling

: Heating

Filter

Sirocco Fan

rotcennoCBCPnoitpircseD.COL

MOOR-NCerutarepmetriamoorrofrotsimrehT1hT

NI/EPIP-NCerutarepmetniepiprofrotsimrehT2hT

TUO/EPIP-NCerutarepmettuoepiprofrotsimrehT3hT

diuqiLsaGledoM

URNU76GB8A2/URNU763G8A2 Ø19.05(3/4)

Ø9.52(3/8)

URNU96GB8A2/URNU963G8A2 Ø22.2(7/8)

Service Manual 5

4. Wiring Diagrams

CONNECTOR NUMBER

LOCATION POINT FUNCTION

CN-POWER AC POWER SUPPLY AC POWER LINE INPUT FOR INDOOR CONTROLLER

CN-MOTOR1, CN-MOTOR2 FAN MOTOR OUTPUT MOTOR OUTPUT OF BLDC

CN-D/PUMP DRAIN PUMP OUTPUT AC OUTPUT FOR DRAIN PUMP

CN-COMM COMMUNICATION CONNECTION BETWEEN INDOOR AND OUTDOOR

CN-EEV EEV OUTPUT EEV CONTROL OUTPUT

CN-FLOAT FLOAT SWITCH INPUT FLOAT SWITCH SENSING

CN-PIPE/IN PIPE SENSOR PIPE THERMISTOR

CN-PIPE/OUT DISCHARGE PIPE SENSOR DISCHARGE PIPE THERMISTOR

CN-ROOM ROOM SENSOR ROOM THERMISTOR

CN-REMO REMOTE CONTROLLER REMOTE CONTROL LINE

CN-CC DRY CONTACT DRY CONTACT LINE

CN-DISPLAY RF REMOCON RF REMOCON RECEIVER

CN-OPTION OPTION PCB OPTION PCB CONNECTOR

CN-ZONE ZONE CONTROLLER ZONE CONTROLLER LINE

6Multi V Air Conditioner

MAIN PCB

FAN PCB

OPTION PCB

CN-OPTION

CN-VM(IN)

CN-L CN-N

CN-MOTOR1(IN)

CN-MOTOR1

CN-MOTOR1(IN)

CN-MOTOR1

CN-FLOAT CN-EEV CN-LGMV CN-COM CN-D/PUMP CN-D/POWER

CN-REMO

CN-ROOM

CN-PIPE

CN-PIPE/O CN-MOTOR2

CN-MOTOR1

Service Manual - 7 -

5. Exploded View

149900A

137214

354210

330870

158591

352118

137213A

249951

137213B

352150-2

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 GCGS.

(GCGS Website http://biz.Lgservice.com)

346810

359012

349600

266010

336610

55211G

152302

149900B

268711B

268711E

268711C

352150-1

130411B

wolley:rolocgnisuoHriAA0847651ROTSIMREHT

etihw:rolocgnisuoHNI.avEB0847652ROTSIMREHT

der:rolocgnisuoHTUO.avEC0847653ROTSIMREHT

130411A

P/NO : MFL46522901 January, 2008

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