System. SERVICE MANUAL R410A (Exploded View)

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System

Outdoor Unit

SERVICE MANUAL R410A

(Exploded View)

MODEL : ARUN Series

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

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1. Specifications ...3

2. Function ...4

3. Dimensions ...5

4. Piping Diagrams ...6

5. Wiring Diagrams ...9

6. Exploded View ...12

ARUN Series

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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 capacities

3. Due to our policy of innovation some specifications may be changed without prior notification 4. EEV : Electronic Expansion Valve

Heat Pump(50Hz/60Hz)

Conversion Formula kcal/h= kW x 860 Btu/h = kW x 3412 cfm = m3/min x 35.3 l/s = CMM x 1000/60 HP(Equivalent horsepower) Model Name Capacity Cooling kW kcal/h Btu/h Heating kW kcal/h Btu/h Input Cooling kW Heating kW Casing Color Heat Exchanger Compressor Type

Piston Displacement cm3/rev Number of Revolution R.P.M Motor Output x Number W Starting Method

Oil Type

Oil Charge cc

Fan Type

Motor Output x Number kW Air Flow RatexNo. of Fan m3/min Drive

Discharge

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

inch

Net Weight kg

lbs Transmission Cable mm2 Refigerant Refigerant name

Control

Power Supply Ø, V, Hz

4 5 6

ARUN40GS2 ARUN50GS2 ARUN60GS2

11.2 14.0 15.5 9,632 12,040 13,330 38,200 47,800 52,900 12.5 16.0 18.0 10,750 13,760 15,480 42,700 54,600 61,400 2.9 3.8 4.3 3.1 4.0 4.7

Warm Gray Warm Gray Warm Gray Gold fin Gold fin Gold fin DC Scroll DC Scroll DC Scroll

42 42 42

3,600x1 3,600x1 3,600x1

2.4 x1 2.8 x 1 3.2 x 1

Direct On Line Direct On Line Direct On Line

FV50S FV50S FV50S

1,700 1,700 1,700

BLDC BLDC BLDC

0.124 x 2 0.124 x 2 0.124 x 2

110 110 110

DC INVERTER DC INVERTER DC INVERTER

Side Side Side

Ø9.52(3/8) Ø9.52(3/8) Ø9.52(3/8) Ø15.88(5/8) Ø15.88(5/8) Ø19.05(3/4) 950x1380x330 950x1380x330 950x1380x330 37.4x54.3x13 37.4x54.3x13 37.4x54.3x13 118 118 118 260 260 260 CVV-SB 1.25x2C CVV-SB 1.25x2C CVV-SB 1.25x2C

R410A R410A R410A

EEV EEV EEV

1, 220~240V, 50 1, 220~240V, 50 1, 220~240V, 50 1, 220, 60 1, 220, 60 1, 220, 60

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Functions

2. Functions

Category

Function

ARUN40GS2 ARUN50GS2 ARUN60GS2

Defrost / Deicing

O

High pressure switch

O

Low pressure switch

O

Phase protection

O

Restart delay (3-minutes)

O

Self diagnosis

O

Soft start

O

Test function

O

Auto operation(Artificial intelligence)

O

Auto restart operation

O

Network soluation(LGAP)

O

Power Distribution Indicator(PQNUD1S00)

O

PI485(PNF-P14A0M/P14A1M)

X

Thermistor

-Reliability

Convenience

Others

CAC network

Function

Category

Function

ARUN40GS2 ARUN50GS2 ARUN60GS2

Network solution(LGAP)

O

Simple Central Controller

PQCSB101S0

Function Controller

PQCSC101S0

PC Central Control Software

PQCSS513A0

Deluxe Central Controller

PQCSW502A2

PDI(Power Distribution Indicator)

PQNUD1S00

CNU2(I-Gateway)

PQNFG14B0

Cool/Heat Selector

PRDSBM

Dry contact(Indoor Unit)

PQDSB

AC Smart

PQCSW320A0E

ACP

PQCPA11A0E/B11A0E

AC Manager

PQCSS520A0E

LONWORKS Gateway(BNU-LW)

PQNFB16A1

BACnet Gateway(BNU-BN)

PQNFB17B0

LG MV

Option

Y-Branch

Accessory

Header

Accessory

Air guide

Accessory

Others

Program

CAC network

Function

O : Applied

X : Not applied

- : No reation

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 separated package.

O : Applied

X : Not applied

- : No reation

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 separated package.

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3.

Dimensions

Dimensions

76, Seongsan-dong, Changw on City , Gy eongnam, 641-713, K orea www .lgeaircon.com CHASSIS CODE: U3

Outdoor Unit

AR

UN40GS2

AR

UN50GS2

AR

UN60GS2

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4. Piping Diagrams

Cooling Operation

Piping Diagrams

Heat Pump

EEV Fil ter EEV Fil ter ss Acc umulator Inverter Comp ss EEV Soleno id valve SVC Valve

Ind oor HEX Ind oor HEX Fan

Ind oor Unit Ind oor Unit

Outdoor Unit HEX Temperature Sensor Outdoor Temperature Sensor

High Press ure Sensor 4-Way Valve Outdoor EEV Sub-cooli ng Circuit Outlet Temperature Sensor Sub-cooli ng Circuit Inlet Temperature Sensor

Sub-Coo ling EEV Sub-Cooler

Liquid Pipe Temp. Sensor Comp Disc harge Temperature Sensor Suction Temperature Sensor Low Press ure Sensor Liquid Pipe Gas Pipe High Temp. High Press ure Gas High Temp. High Press ure Liqu id Low Temp. Low Press ure Gas

Oil Separator

Outdoo r Uni t

Press ure Sensor Press ure Switch

Temperature Sensor Hot Gas Valve Remarks Strainer DC DC Fan DC Fan DC Fan Fan Charging Port Charging Port

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Piping Diagrams

EEV Fil ter EEV Fil ter ss Acc umulator Inverter Comp DC ss EEV Soleno id valve SVC Valve Fan DC Fan Outdoor Unit HEX Temperature Sensor Outdoor Temperature Sensor

Ind oor HEX

Ind oor Unit

Ind oor HEX

Ind oor Unit

Outdoor EEV Sub-cooli ng Circuit Outlet Temperature Sensor Comp Disc harge Temperature Sensor Oil Separator

Liquid Pipe Temp. Sensor

Low Pressure Sensor High Press ure

Sensor

4-Way Valve Gas Pipe Liquid Pipe Suction Temperature Sensor Sub-Cooler Sub-cooli ng Circuit Inlet Temperature Sensor

Sub-Coo ling EEV

High Temp. High Press ure Gas High Temp. High Press ure Liqu id Low Temp. Low Press ure Gas

Press ure Sensor Press ure Switch

Temperature Sensor Remarks Strainer Hot Gas Valve Outdoo r Uni t Fan Fan Charging Port Charging Port

Heating Operation

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Piping Diagrams

Fil ter Fil ter

ss Acc umulator Inverter Comp ss EEV Soleno id valve SVC Valve

Ind oor Unit Ind oor Unit

DC Fan

High Temp. High Press ure Gas High Temp. High Press ure Liqu id Low Temp. Low Press ure Gas

DC Fan Outdoor Unit HEX Temperature Sensor Outdoor Temperature Sensor Outdoor EEV Comp Disc harge Temperature Sensor Low Pressure Sensor High Press ure

Sensor Suction Temperature Sensor Gas Pipe Liquid Pipe

Liquid Pipe Temp. Sensor Sub-cooli ng Circuit

Inlet Temperature Sensor

Sub-Coo ling EEV Sub-Cooler

Oil Separator

Press ure Sensor Press ure Switch

Temperature Sensor Sub-cooli ng Circuit Outlet Temperature Sensor Hot Gas Valve Remarks Strainer Outdoo r Uni t Fan Fan

Indoor HEX EEV Indoor HEX EEV

Charging Port

Charging Port

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5. Wiring Diagrams

Heat Pump

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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)

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Wiring Diagrams

■ Noise Filter

■ Inverter PCB

TO TERMINAL BLOCK & MAIN PCB

TO TERMINAL BLOCK & MAIN PCB

TO INVERTER PCB

220V POWER OUTPUT TERMINAL

TO REACTOR

TO REACTOR

CN_MOTOR2(WH)

FAN MOTOR WIRE TERMINAL

CN(L) 220V INVERTER POWER INPUT TERMINAL CN(N) 220V INVERTER POWER INPUT TERMINAL CN_POWER(BL)

AC220V PCB POWER INPUT TERMINAL

CN_MOTOR1(BL)

FAN MOTOR WIRE TERMINAL

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Explodede View

6. Exploded View

268711B 649950 W6200C W6200B W6200A 268200 W6640 346811 268711A W6631 W0FZZA

Outdoor Unit

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Explodede View

435512 137213B 559010 554031 549610 435300 437211 546810 430410 137213A 437212 435513 554160 546810

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

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Explodede View

165010B 552204 561410B 552117 552102B 165010A 566000 552102A W52240A 561410A W52240A W52240B 552200B W52240A 552202 148000 5522 03 A 5522 03 B 552200A 447910 561410C 55211G 552116 148390 552115 552114

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Figure

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References

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