system outdoor unit service manual r410a (exploded view)

SystemOutdoor Unit SERVICE MANUAL R410A(Exploded View)MODEL : ARUN Series

CAUTIONBefore Servicing the unit, read the safety precautions in General SVC manual.Only for authorized service personnel.

Internal Use Only

http://biz.lgservice.com

R410A

Copyright ©2008 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 2 -

1. Specifications ...............................................................................3

2. Function ........................................................................................4

3. Dimensions ...................................................................................5

4. Piping Diagrams ...........................................................................6

5. Wiring Diagrams...........................................................................9

6. Exploded View ............................................................................13

ARUN Series


1. Specification

Specification

Heat Pump

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. EEV : Electronic Expansion Valve

Heat Pump(208/230V/60Hz)

Conversion Formula

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

HP(Equivalent horsepower)Model NameCapacity Cooling kW

kcal/hBtu/h

Heating kWkcal/hBtu/h

Input Cooling kWHeating kW

Casing ColorHeat ExchangerCompressor Type

Piston Displacement cm3/revNumber of Revolution R.P.MMotor Output x Number WStarting MethodOil TypeOil Charge cc

Fan TypeMotor Output x Number kWAir Flow RatexNo. of Fan m3/minDriveDischarge

Pipe Connctions Liquid Pipes mm(inch)Gas Pipes mm(inch)

Dimensions (WxHxD) mminch

Net Weight kglbs

Transmission Cable mm2

Refigerant Refigerant nameControl

Power Supply Ø, V, Hz

4 5ARUN038GS2 ARUN048GS2

10.6 13.8 9,070 11,84036,000 47,000 12.3 14.8

10,580 12,730 42,000 50,500

2.9 3.83.1 4.0

Warm Gray Warm GrayGold fin Gold fin

DC Scroll DC Scroll42 42

3,600x1 3,600x12.4 x1 2.8 x 1

Direct On Line Direct On LineFV50S FV50S1,700 1,700BLDC BLDC

0.124 x 2 0.124 x 2110 110

DC INVERTER DC INVERTERSide Side

Ø9.52(3/8) Ø9.52(3/8)Ø15.88(5/8) Ø15.88(5/8)

950x1380x330 950x1380x33037.4x54.3x13 37.4x54.3x13

118 118260 260

CVV-SB 1.25x2C CVV-SB 1.25x2CR410A R410AEEV EEV

1, 208/230, 60 1, 208/230, 60


Functions

2. FunctionsCategory Function ARUN038GS2 ARUN048GS2

Defrost / Deicing OHigh pressure switch OLow pressure switch OPhase protection ORestart delay (3-minutes) OSelf diagnosis OSoft start OTest function OAuto operation(Artificial intelligence) OAuto restart operation ONetwork soluation(LGAP) OPower Distribution Indicator(PQNUD1S00) OPI485(PNF-P14A0M/P14A1M) XThermistor -

Reliability

Convenience

Others

CAC networkFunction

Category Function ARUN038GS2 ARUN048GS2

Network solution(LGAP) OSimple Central Controller PQCSB101S0Function Controller PQCSC101S0PC Central Control Software PQCSS513A0Deluxe Central Controller PQCSW502A2PDI(Power Distribution Indicator) PQNUD1S00CNU2(I-Gateway) PQNFG14B0Cool/Heat Selector PRDSBMDry contact(Indoor Unit) PQDSBAC Smart PQCSW320A0EACP PQCPA11A0E/B11A0EAC Manager PQCSS520A0ELONWORKS Gateway(BNU-LW) PQNFB16A1BACnet Gateway(BNU-BN) PQNFB17B0LG MV OptionY-Branch AccessoryHeader AccessoryAir guide X

Others

Program

CAC networkFunction

O : Applied X : Not applied - : No reationOption : Model name & price are different according to options, and assembled in factory with main unitAccessory : Installed at field, ordered and purchased separately by the corresponding model name,supplied with separated package.

O : Applied X : Not applied - : No reationOption : Model name & price are different according to options, and assembled in factory with main unitAccessory : Installed at field, ordered and purchased separately by the corresponding model name,supplied with separated package.


3. Dimensions

Dimensions

950(

37-2

/5)

640(

25-1

/8)

633(

24-1

0/11

)15

7(6-

1/8)

180(

7)

400(

15-3

/4)

76, S

eong

san-

dong

, Cha

ngw

on C

ity, G

yeon

gnam

,LG

Ele

ctro

nics

US

A, H

VA

C D

ivis

ion

1000

Syl

van

Ave

nue,

Eng

lew

ood

Clif

fs, N

J 07

632

ww

w.lg

usa.

com

/ w

ww

.lghv

ac.c

om64

1-71

3, K

orea

CH

AS

SIS

CO

DE

: U3

Out

door

Uni

t

AR

UN

038G

S2

AR

UN

048G

S2

[Uni

t:mm

(inch

)]

206

330(13) 1354(53-3/8)

525

1380(54-3/8)

175(6-7/8)

28(1-1/8)

467


4. Piping Diagrams

Cooling Operation

Piping Diagrams

Heat Pump

EEV

Fil ter

EEV

Fil ter

ss

AccumulatorInverterComp

ss

EEV

Solenoid valve

SVC Valve

Indoor HEX Indoor HEX

Fan

Indoor Unit Indoor Unit

Outdoor UnitHEX TemperatureSensor

OutdoorTemperatureSensor

High PressureSensor

4-Way Valve

OutdoorEEV

Sub-cooling CircuitOutlet Temperature Sensor

Sub-cooling CircuitInlet Temperature Sensor

Sub-Cooling EEV

Sub-Cooler

Liquid Pipe Temp. Sensor

Comp DischargeTemperature Sensor

SuctionTemperatureSensor

Low PressureSensor

Liquid Pipe

Gas Pipe

High Temp. High Pressure GasHigh Temp. High Pressure Liqu idLow Temp. Low Pressure Gas

OilSeparator

Outdoo r Uni t

Pressure Sensor

Pressure Switch

Temperature Sensor

Hot GasValve

RemarksStrainer

DCDCFan

DCFan

DCFan

Fan

ChargingPort

ChargingPort


Piping Diagrams

EEV

Fil ter

EEV

Fil ter

ss


DC

ss

EEV

Solenoid valve

SVC Valve

Fan DC Fan



Indoor HEX

Indoor Unit

Indoor HEX

Indoor Unit

OutdoorEEV



OilSeparator


Low PressureSensor

High PressureSensor

4-Way ValveGas Pipe

Liquid PipeSuctionTemperatureSensor

Sub-Cooler


Sub-Cooling EEV

High Temp. High Pressure GasHigh Temp. High Pressure Liqu idLow Temp. Low Pressure Gas

Pressure Sensor

Pressure Switch

Temperature SensorRemarks

Strainer

Hot GasValve

Outdoo r Uni t

Fan Fan

ChargingPort

ChargingPort

Heating Operation


Piping Diagrams

Fil ter Fil ter

ss


ss

EEV

Solenoid valve

SVC Valve

Indoor Unit Indoor Unit

DC Fan

High Temp. High Pressure GasHigh Temp. High Pressure Liqu idLow Temp. Low Pressure GasDC Fan



OutdoorEEV


Low PressureSensor

High PressureSensor

SuctionTemperatureSensor

Gas Pipe

Liquid Pipe



Sub-Cooling EEV

Sub-Cooler

OilSeparator

Pressure Sensor

Pressure Switch

Temperature Sensor


Hot GasValve

RemarksStrainer

Outdoo r Uni t

Fan Fan

Indoor HEX Indoor HEXEEV EEV

ChargingPort

ChargingPort

Oil Return/ Defrost Operation


5. Wiring Diagrams

Heat Pump

Wiring Diagrams


Wiring Diagrams

� Main PCB

(

(4

(

(

(

(

(220

(

(

(

(

(

(

(

(

INVERTER PCB COMMUNICATION TERMINAL)

WAY REVERSING VALVE)

CN09 4WAY

CONSTANT COMP LIQUID VALVE

CN17 LIQ(C)

INVERTER COMP HEATER)

CN10 HEATER(I)

AC FAN POWER SUPPLY)

CN15 AC FAN

CONSTANT COMP MAGNETIC SWITCH)

CN14 MAGNET(C)

V POWER INPUT TERMINAL)

CONSTANT COMP HEATER)

CN11 HEATER(C)

CN16 LIQ(I)

CN08 AC 220 V

JIG POWER TERMINAL : AC 220V)

JIG1, JIG2

CN29 TO INVERTER BOARD

HOT GAS SOLENOID VALVE)

CN13 HOT GAS

SUBCOOLING CIRCUIT ELECTRONIC EXPANSION VALVE)

OUTDOOR ELECTRONIC EXPANSION VALVE)

CN40 EEV-SC

CN38 EEV-OUT

CONSTANT COMP HIGH PRESSURE SWITCH)

CN43 P(C) S/W

INV COMP HIGH PRESSUR SWITCH))

CN44 P(I) S/W

INVERTER COMP LIQUID VALVE

(LOW PRESSURE SENSOR)

CN32 P-SENSOR(L)

(CONSTANT COMP CURRENT SENSOR)

CN27 STD_COMP CT1

SC-OUT

(SC CIRCUIT OUTLET TEMP SENSOR)

SC-IN

SUCTION

CN33

(SUCTION TEMPERATURE SENSOR)

DISCHARGE(I)

( INV DISCHARGE TEMP SENSOR)

HEX1

(OUTDOOR HEX TEMP SENSOR 1)

HEX2

CN34

AIR

(OUTDOOR TEMPERATURE SENSOR)

SUCTION

(SUCTION TEMPERATURE SENSOR)

DISCHARGE(C)

CN35

(CONST COMP DISCHARGE TEMP SENSOR)

CN41 CEN CONTROL(CENTRAL CONTROL TERMINAL)

CN05 TO JIG(JIG CONNECTION TERMINAL: LGMV)

CN04 FLASH_WRITE(ONBOARDING TERMINAL)

(AUTO ADDRESSING SWITCH)

SW02V AUTO ADDRES

SW01S RESET(RESET BUTTON)

(HIGH PRESSURE SENSOR)

CN30 P-SENSOR(H)

(SC CIRCUIT INTLET TEMP SENSOR)

(OUTDOOR HEX TEMP SENSOR 2)


Wiring Diagrams

� Noise Filter

� Inverter PCB

TO TERMINAL BLOCK & MAIN PCB

TO TERMINAL BLOCK & MAIN PCB

TO INVERTER PCB208/230V POWER OUTPUT TERMINAL

TO REACTOR

TO REACTOR

CN_MOTOR2(WH)FAN MOTOR WIRE TERMINAL

CN(L(1))208/230V INVERTERPOWER INPUTTERMINAL

CN(L(2))208/230V INVERTERPOWER INPUTTERMINAL

CN_POWER(BL)208/230V PCB POWER INPUT TERMINAL

CN_MOTOR1(BL)FAN MOTOR WIRETERMINAL

Explodede View


6. Exploded View

268711B

649950

W6200C

W6200B

W6200A

W6640

346811

268711A

W6631

W0FZZA

RAC31217901

Inv. PCBGrease

Control Box


Explodede View

435512

137213B

559010

554031

549610

435300

437211

546810

430410

137213A437212

435513

554160

546810

Mechanical Parts and Panels


Explodede View

1650

10B

5522

0456

1410

B

5521

17

5521

02B

1650

10A 56

6000

5521

02A

W52

240A

5614

10A

W52

240A

W52

240B

5522

00B

W52

240A

5522

02

1480

00

5522

03A

5522

03B

5522

00A

2632

30A

4479

10

5614

10C

5521

1535

2114

5521

1G

5521

16

1483

90

2632

30B

2632

30C

THERMISTOR 1 263230A Liquid Pipe + sub Cooler IN + Sub Cooler OUT Housing color : yellowTHERMISTOR 2 263230B Inv. discharge + HEX Housing color : purpleTHERMISTOR 3 263230C Air + suction Pipe Housing color : black

Cycle Parts

P/NO : MFL42395708 SEPTEMBER, 2008

system outdoor unit service manual r410a (exploded view)

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