System Outdoor Unit SERVICE MANUAL R410A (Exploded View)
Transcript of 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
Copyright ©2008 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 3 -
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
Copyright ©2008 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 4 -
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.
Copyright ©2008 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only- 5 -
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)
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Out
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Uni
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AR
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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
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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
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Piping Diagrams
EEV
Fil ter
EEV
Fil ter
ss
AccumulatorInverterComp
DC
ss
EEV
Solenoid valve
SVC Valve
Fan DC Fan
Outdoor UnitHEX TemperatureSensor
OutdoorTemperatureSensor
Indoor HEX
Indoor Unit
Indoor HEX
Indoor Unit
OutdoorEEV
Sub-cooling CircuitOutlet Temperature Sensor
Comp DischargeTemperature Sensor
OilSeparator
Liquid Pipe Temp. Sensor
Low PressureSensor
High PressureSensor
4-Way ValveGas Pipe
Liquid PipeSuctionTemperatureSensor
Sub-Cooler
Sub-cooling CircuitInlet Temperature Sensor
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
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Piping Diagrams
Fil ter Fil ter
ss
AccumulatorInverterComp
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
Outdoor UnitHEX TemperatureSensor
OutdoorTemperatureSensor
OutdoorEEV
Comp DischargeTemperature Sensor
Low PressureSensor
High PressureSensor
SuctionTemperatureSensor
Gas Pipe
Liquid Pipe
Liquid Pipe Temp. Sensor
Sub-cooling CircuitInlet Temperature Sensor
Sub-Cooling EEV
Sub-Cooler
OilSeparator
Pressure Sensor
Pressure Switch
Temperature Sensor
Sub-cooling CircuitOutlet Temperature Sensor
Hot GasValve
RemarksStrainer
Outdoo r Uni t
Fan Fan
Indoor HEX Indoor HEXEEV EEV
ChargingPort
ChargingPort
Oil Return/ Defrost Operation
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5. Wiring Diagrams
Heat Pump
Wiring Diagrams
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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)
(OUTDOOR HEX TEMP SENSOR 2)
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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
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6. Exploded View
268711B
649950
W6200C
W6200B
W6200A
W6640
346811
268711A
W6631
W0FZZA
RAC31217901
Inv. PCBGrease
Control Box
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Explodede View
435512
137213B
559010
554031
549610
435300
437211
546810
430410
137213A437212
435513
554160
546810
Mechanical Parts and Panels
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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