Download System Outdoor Unit SERVICE MANUAL R410A

Internal Use Only
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System
Outdoor Unit R410A
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.
ARUN Series
1. Specifications ...............................................................................3
2. Function ........................................................................................4
3. Dimensions ...................................................................................5
4. Piping Diagrams ...........................................................................6
5. Wiring Diagrams ...........................................................................9
6. Exploded View ............................................................................12
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
-2-
LGE Internal Use Only
Specification
1. Specification
Heat Pump
Heat Pump(50Hz/60Hz)
HP(Equivalent horsepower)
Model Name
Capacity
Cooling
Heating
Input
Cooling
Heating
Casing Color
Heat Exchanger
Compressor
Type
Piston Displacement
Number of Revolution
Motor Output x Number
Starting Method
Oil Type
Oil Charge
Fan
Type
Motor Output x Number
Air Flow RatexNo. of Fan
Drive
Discharge
Pipe Connctions Liquid Pipes
Gas Pipes
Dimensions (WxHxD)
Net Weight
Transmission Cable
Refigerant
Refigerant name
Control
Power Supply
kW
kcal/h
Btu/h
kW
kcal/h
Btu/h
kW
kW
cm3/rev
R.P.M
W
cc
kW
m3/min
mm(inch)
mm(inch)
mm
inch
kg
lbs
mm2
Ø, V, Hz
4
ARUN40GS2
11.2
9,632
38,200
12.5
10,750
42,700
2.9
3.1
Warm Gray
Gold fin
DC Scroll
42
3,600x1
2.4 x1
Direct On Line
FV50S
1,700
BLDC
0.124 x 2
110
DC INVERTER
Side
Ø9.52(3/8)
Ø15.88(5/8)
950x1380x330
37.4x54.3x13
118
260
CVV-SB 1.25x2C
R410A
EEV
1, 220~240V, 50
1, 220, 60
5
ARUN50GS2
14.0
12,040
47,800
16.0
13,760
54,600
3.8
4.0
Warm Gray
Gold fin
DC Scroll
42
3,600x1
2.8 x 1
Direct On Line
FV50S
1,700
BLDC
0.124 x 2
110
DC INVERTER
Side
Ø9.52(3/8)
Ø15.88(5/8)
950x1380x330
37.4x54.3x13
118
260
CVV-SB 1.25x2C
R410A
EEV
1, 220~240V, 50
1, 220, 60
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
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
-3-
6
ARUN60GS2
15.5
13,330
52,900
18.0
15,480
61,400
4.3
4.7
Warm Gray
Gold fin
DC Scroll
42
3,600x1
3.2 x 1
Direct On Line
FV50S
1,700
BLDC
0.124 x 2
110
DC INVERTER
Side
Ø9.52(3/8)
Ø19.05(3/4)
950x1380x330
37.4x54.3x13
118
260
CVV-SB 1.25x2C
R410A
EEV
1, 220~240V, 50
1, 220, 60
Conversion Formula
kcal/h= kW x 860
Btu/h = kW x 3412
cfm = m3/min x 35.3
l/s = CMM x 1000/60
LGE Internal Use Only
Functions
2. Functions
Category
Reliability
Convenience
CAC network
Function
Others
Function
ARUN40GS2 ARUN50GS2 ARUN60GS2
Defrost / Deicing
High pressure switch
Low pressure switch
Phase protection
Restart delay (3-minutes)
Self diagnosis
Soft start
Test function
Auto operation(Artificial intelligence)
Auto restart operation
Network soluation(LGAP)
Power Distribution Indicator(PQNUD1S00)
PI485(PNF-P14A0M/P14A1M)
Thermistor
O
O
O
O
O
O
O
O
O
O
O
O
X
-
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.
Category
CAC network
Function
Program
Others
Function
ARUN40GS2 ARUN50GS2 ARUN60GS2
Network solution(LGAP)
Simple Central Controller
Function Controller
PC Central Control Software
Deluxe Central Controller
PDI(Power Distribution Indicator)
CNU2(I-Gateway)
Cool/Heat Selector
Dry contact(Indoor Unit)
AC Smart
ACP
AC Manager
LONWORKS Gateway(BNU-LW)
BACnet Gateway(BNU-BN)
LG MV
Y-Branch
Header
Air guide
O
PQCSB101S0
PQCSC101S0
PQCSS513A0
PQCSW502A2
PQNUD1S00
PQNFG14B0
PRDSBM
PQDSB
PQCSW320A0E
PQCPA11A0E/B11A0E
PQCSS520A0E
PQNFB16A1
PQNFB17B0
Option
Accessory
Accessory
Accessory
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.
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
-4-
LGE Internal Use Only
Dimensions
CHASSIS CODE: U3
76, Seongsan-dong, Changwon City, Gyeongnam,
641-713, Korea
www.lgeaircon.com
ARUN40GS2
ARUN50GS2
ARUN60GS2
Outdoor Unit
3. Dimensions
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
-5-
LGE Internal Use Only
Piping Diagrams
4. Piping Diagrams
Heat Pump
Cooling Operation
Ind oor HEX
EEV
Fan
EEV
Ind oor HEX
Fan
Fil ter
Fil ter
Ind oor Unit
Fan
DC
Ind oor Unit
High Temp. High Press ure Gas
High Temp. High Press ure Liqu id
Low Temp. Low Press ure Gas
Fan
DC
Outdoor
Temperature
Sensor
Outdoor Unit
HEX Temperature
Sensor
Charging
Port
High Press ure
Sensor
Charging
Port
Gas Pipe
4-Way Valve
Hot Gas
Valve
s
Outdoor
EEV
Oil
Separator
Liquid Pipe
Suction
Temperature
Sensor
Low
Press ure
Sensor
Comp
Disc harge
Temperature
Sensor
Inverter
Comp
Acc umulator
Sub-cooli ng Circuit
Outlet Temperature
Sensor
Liquid Pipe Temp. Sensor
Sub-Cooler
Sub-cooli ng Circuit
Inlet Temperature
Sensor
Sub-Coo ling EEV
Press ure Sensor
Temperature Sensor
Press ure Switch
SVC Valve
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
s
Remarks
Outdoo r Uni t
Soleno id valve
EEV
-6-
Strainer
LGE Internal Use Only
Piping Diagrams
Heating Operation
Ind oor HEX
EEV
Fan
EEV
Ind oor HEX
Fan
Fil ter
Fil ter
Ind oor Unit
DC Fan
Ind oor Unit
High Temp. High Press ure Gas
High Temp. High Press ure Liqu id
Low Temp. Low Press ure Gas
DC Fan
Outdoor
Temperature
Sensor
Outdoor Unit
HEX Temperature
Sensor
Charging
Port
High Press ure
Sensor
Charging
Port
Gas Pipe
4-Way Valve
Hot Gas
Valve
s
Outdoor
EEV
Oil
Separator
Liquid Pipe
Suction
Temperature
Sensor
Low
Pressure
Sensor
Comp
Disc harge
Temperature
Sensor
Inverter
Comp
Acc umulator
Sub-cooli ng Circuit
Outlet Temperature
Sensor
Liquid Pipe Temp. Sensor
Sub-Cooler
Sub-cooli ng Circuit
Inlet Temperature
Sensor
Sub-Coo ling EEV
Press ure Sensor
Temperature Sensor
Press ure Switch
SVC Valve
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
s
Remarks
Outdoo r Uni t
Soleno id valve
EEV
-7-
Strainer
LGE Internal Use Only
Piping Diagrams
Oil Return/ Defrost Operation
Indoor HEX
EEV
Fan
Indoor HEX
EEV
Fan
Fil ter
Fil ter
Ind oor Unit
DC Fan
Ind oor Unit
High Temp. High Press ure Gas
High Temp. High Press ure Liqu id
Low Temp. Low Press ure Gas
DC Fan
Outdoor
Temperature
Sensor
Outdoor Unit
HEX Temperature
Sensor
Charging
Port
High Press ure
Sensor
Charging
Port
Gas Pipe
Hot Gas
Valve
s
Outdoor
EEV
Oil
Separator
Liquid Pipe
Suction
Temperature
Sensor
Low
Pressure
Sensor
Comp
Disc harge
Temperature
Sensor
Inverter
Comp
Acc umulator
Sub-cooli ng Circuit
Outlet Temperature
Sensor
Liquid Pipe Temp. Sensor
Sub-Cooler
Sub-cooli ng Circuit
Inlet Temperature
Sensor
Sub-Coo ling EEV
Press ure Sensor
Temperature Sensor
Press ure Switch
SVC Valve
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
s
Remarks
Outdoo r Uni t
Soleno id valve
EEV
-8-
Strainer
LGE Internal Use Only
Wiring Diagrams
5. Wiring Diagrams
Heat Pump
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
-9-
LGE Internal Use Only
Wiring Diagrams
■ Main PCB
CN29 TO INVERTER BOARD
SW01S RESET
( INVERTER PCB COMMUNICATION TERMINAL)
(RESET BUTTON)
CN38 EEV-OUT
CN04 FLASH_WRITE
( OUTDOOR ELECTRONIC EXPANSION VALVE)
(ONBOARDING TERMINAL)
CN40 EEV-SC
CN05 TO JIG
( SUBCOOLING CIRCUIT ELECTRONIC EXPANSION VALVE)
(JIG CONNECTION TERMINAL: LGMV)
CN44 P(I) S/W
SW02V AUTO ADDRES
( INV COMP HIGH PRESSUR SWITCH))
(AUTO ADDRESSING SWITCH)
CN41 CEN CONTROL
CN43 P(C) S/W
(CENTRAL CONTROL TERMINAL)
( CONSTANT COMP HIGH
PRESSURE SWITCH)
CN33
CN17 LIQ(C)
SC-OUT
( CONSTANT COMP LIQUID VALVE
(SC CIRCUIT OUTLET TEMP SENSOR)
CN16 LIQ(I)
SC-IN
( INVERTER COMP LIQUID VALVE
(SC CIRCUIT INTLET TEMP SENSOR)
SUCTION
CN15 AC FAN
(SUCTION TEMPERATURE SENSOR)
( AC FAN POWER SUPPLY)
CN34
CN14 MAGNET(C)
DISCHARGE(I)
( CONSTANT COMP MAGNETIC
SWITCH)
(INV DISCHARGE TEMP SENSOR)
CN13 HOT GAS
HEX1
( HOT GAS SOLENOID VALVE)
(OUTDOOR HEX TEMP SENSOR 1)
HEX2
CN11 HEATER(C)
(OUTDOOR HEX TEMP SENSOR 2)
( CONSTANT COMP HEATER)
CN35
CN10 HEATER(I)
( INVERTER COMP HEATER)
AIR
(OUTDOOR TEMPERATURE SENSOR)
CN09 4WAY
SUCTION
(4 WAY REVERSING VALVE)
(SUCTION TEMPERATURE SENSOR)
CN08 AC 220 V
(220 V POWER INPUT TERMINAL)
JIG1, JIG2
( JIG POWER TERMINAL : AC 220V)
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CN27 STD_COMP CT1
(CONSTANT COMP CURRENT SENSOR)
CN32 P-SENSOR(L)
(LOW PRESSURE SENSOR)
- 10 -
DISCHARGE(C)
(CONST COMP DISCHARGE
TEMP SENSOR)
CN30 P-SENSOR(H)
(HIGH PRESSURE SENSOR)
LGE Internal Use Only
Wiring Diagrams
■ Noise Filter
TO INVERTER PCB
220V POWER OUTPUT TERMINAL
TO TERMINAL
BLOCK & MAIN PCB
TO REACTOR
TO TERMINAL
BLOCK & MAIN PCB
TO REACTOR
■ Inverter PCB
CN_MOTOR2(WH)
FAN MOTOR WIRE TERMINAL
CN(L)
220V INVERTER
POWER INPUT
TERMINAL
CN_MOTOR1(BL)
CN(N)
FAN MOTOR WIRE
TERMINAL
220V INVERTER
POWER INPUT
TERMINAL
CN_POWER(BL)
AC220V PCB POWER INPUT TERMINAL
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 11 -
LGE Internal Use Only
Explodede View
6. Exploded View
Outdoor Unit
649950
W6200B
W6200C
268711B
W6200A
268200
W0FZZA
346811
W6640
268711A
W6631
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 12 -
LGE Internal Use Only
Explodede View
435512
137213B
435300
549610
554031
546810
559010
546810
554160
430410
437211
137213A
437212
435513
THERMISTOR 1
THERMISTOR 2
THERMISTOR 3
263230A
263230B
263230C
Liquid Pipe + sub Cooler IN + Sub Cooler OUT
Inv. discharge + HEX
Air + suction Pipe
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 13 -
Housing color : yellow
Housing color : purple
Housing color : black
LGE Internal Use Only
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
447910
- 14 55211G
W52240A
552200B
552117
165010B
W52240A
W52240B
552200A
552102B
561410B
561410C
552204
552203B
552116
561410A
148390
566000
165010A
552203A
148000
552202
W52240A
552102A
552115
552114
Explodede View
LGE Internal Use Only
P/NO : MFL42395702
FEBRUARY, 2008