LG Multi V ARNU073B1G2 User manual

Multi V Air Conditioner
SVC MANUAL(Exploded View)
MODEL : ARNU073B1G2, ARNU093B1G2
ARNU123B1G2, ARNU153B1G2
ARNU183B2G2, ARNU243B2G2
ARNU073B3G2, ARNU093B3G2
ARNU123B3G2, ARNU153B3G2
ARNU183B4G2, ARNU243B4G2
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

- 2 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
1. Specification(Low Static Duct)
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(24.6ft)
• 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(24.6ft)
• 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. To be added for more available Models
5. EEV : Electronic Expansion Valve
6. Noise Level is Standard Mode
(for actual High Mode(factory set) condition, Noise Level may exceed the standard level by 1.5dBA)
Type
Model Unit
kW
Cooling Capacity kcal/h
Btu/h
kW
Heating Capacity kcal/h
Btu/h
Casing
Dimensions(WxDxH)
Body mm
inch
Coil
Rows x Columns x FPI
Face Area m2
Type
Motor Output x Number W
Running Current A
Air Flow Rate(H/M/L) CMM
(High Mode-factory set)
cfm
Fan
External Static Pressure mmAq(Pa)
Air Flow Rate(H/M/L) CMM
(Standard Mode) cfm
External Static Pressure mmAq(Pa)
Drive
Motor type
Temperature Control
Sound Absorbing Thermal Insulation Material
Air Filter
Safety Device
Liquid Side mm(inch)
Pipe Connections Gas Side mm(inch)
Drain Pipe(Internal Dia.) mm
Net Weight kg(lbs)
Noise Level (Sound Press, 1.5m, H/M/L) dB(A)
Power Supply Ø, V, Hz
Refrigerant Control
Power cable mm2
Transmission cable mm2
Ceiling Concealed Duct (Low Static)
ARNU073B1G2 ARNU093B1G2 ARNU123B1G2
2.2 2.8 3.6
1,900 2,400 3,100
7,500 9,600 12,300
2.5 3.2 4.0
2,200 2,800 3,400
8,500 10,900 13,600
Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate
820 x 575 x 190 820 x 575 x 190 820 x 575 x 190
32.3 x 21.7 x 7.5 32.3 x 21.7 x 7.5 32.3 x 21.7 x 7.5
2x11x21 2x11x21 2x11x21
0.16 0.16 0.16
Sirocco Fan Sirocco Fan Sirocco Fan
28 28 28
0.1 0.1 0.1
8.5/7.5/6.5 9.5/8.5/7.5 10.5/9.5/8.5
300/265/229 335/300/265 371/335/300
2(20) 2(20) 2(20)
8.5/7.5/6.5 9.5/8.5/7.5 10.5/9.5/8.5
300/265/229 335/300/265 371/335/300
0(0) 0(0) 0(0)
Direct Direct Direct
BLDC BLDC BLDC
Microprocessor, Thermostat for cooling and heating Microprocessor, Thermostat for cooling and heating Microprocessor, Thermostat for cooling and heating
Foamed polystrene Foamed polystrene Foamed polystrene
---
Fuse Fuse Fuse
r
Ø6.35(1/4) Ø6.35(1/4) Ø6.35(1/4)
Ø12.7(1/2) Ø12.7(1/2) Ø12.7(1/2)
25.4 25.4 25.4
21(46.3) 21(46.3) 21(46.3)
35/33/31 36/35/33 37/36/35
1, 220 ~ 240, 50 1, 220 ~ 240, 50 1, 220 ~ 240, 50
1, 220, 60 1, 220, 60 1, 220, 60
EEV EEV EEV
CV1.5 x 3C CV1.5 x 3C CV1.5 x 3C
CVV-SB 1.25 x 2C CVV-SB 1.25 x 2C CVV-SB 1.25 x 2C
Conversion Formula
kcal/h= kW x 860
Btu/h = kW x 3412
cfm = m3/min x 35.3
l/s = CMM x 1000/60

- 3 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
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(24.6ft)
• 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(24.6ft)
• 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. To be added for more available Models
5. EEV : Electronic Expansion Valve
6. Noise Level is Standard Mode
(for actual High Mode(factory set) condition, Noise Level may exceed the standard level by 1.5dBA)
Type
Model Unit
kW
Cooling Capacity kcal/h
Btu/h
kW
Heating Capacity kcal/h
Btu/h
Casing
Dimensions(WxDxH)
Body mm
inch
Coil
Rows x Columns x FPI
Face Area m2
Type
Motor Output x Number W
Running Current A
Air Flow Rate(H/M/L) CMM
(High Mode-factory set)
cfm
Fan
External Static Pressure mmAq(Pa)
Air Flow Rate(H/M/L) CMM
(Standard Mode) cfm
External Static Pressure mmAq(Pa)
Drive
Motor type
Temperature Control
Sound Absorbing Thermal Insulation Material
Air Filter
Safety Device
Liquid Side mm(inch)
Pipe Connections Gas Side mm(inch)
Drain Pipe(Internal Dia.) mm
Net Weight kg(lbs)
Noise Level (Sound Press, 1.5m, H/M/L) dB(A)
Power Supply Ø, V, Hz
Refrigerant Control
Power cable mm2
Transmission cable mm2
Ceiling Concealed Duct (Low Static)
ARNU153B1G2 ARNU183B2G2 ARNU243B2G2
4.5 5.6 7.1
3,900 4,800 6,100
15,400 19,100 24,200
5.0 6.3 8.0
4,300 5,400 6,900
17,100 21,500 27,300
Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate
820 x 575 x 190 1,100 x 575 x 190 1,100 x 575 x 190
32.3 x 21.7 x 7.5 43.3 x 21.7 x 7.5 43.3 x 21.7 x 7.5
2x11x21 3x10x18 3x10x18
0.16 0.23 0.23
Sirocco Fan Sirocco Fan Sirocco Fan
28 76 76
0.1 0.25 0.25
11.5/10.5/9.5 16/14/12 19/17/15
406/371/335 565/494/424 671/600/530
2(20) 2(20) 2(20)
11.5/10.5/9.5 16/14/12 19/17/15
406/371/335 565/494/424 671/600/530
0(0) 0(0) 0(0)
Direct Direct Direct
BLDC BLDC BLDC
Microprocessor, Thermostat for cooling and heating Microprocessor, Thermostat for cooling and heating Microprocessor, Thermostat for cooling and heating
Foamed polystrene Foamed polystrene Foamed polystrene
---
Fuser Fuse Fuse
Ø6.35(1/4) Ø6.35(1/4) Ø9.52(3/8)
Ø12.7(1/2) Ø12.7(1/2) Ø15.88(5/8)
25.4 25.4 25.4
21(46.3) 26(57.3) 26(57.3)
38/37/36 40/37/34 43/40/37
1, 220 ~ 240, 50 1, 220 ~ 240, 50 1, 220 ~ 240, 50
1, 220, 60 1, 220, 60 1, 220, 60
EEV EEV EEV
CV1.5 x 3C CV1.5 x 3C CV1.5 x 3C
CVV-SB 1.25 x 2C CVV-SB 1.25 x 2C CVV-SB 1.25 x 2C
Conversion Formula
kcal/h= kW x 860
Btu/h = kW x 3412
cfm = m3/min x 35.3
l/s = CMM x 1000/60

- 4 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
1. Specification(Built in Duct)
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(24.6ft)
• 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(24.6ft)
• Level Difference of Zero
2. Capacities are net capacities
3. Due to our policy of innovation some specifications may be changed without notification
4. EEV: Electronic Expansion Valve
5. To be added for more available Models
Type
Accessory
Model Unit
kW
Cooling Capacity kcal/h
Btu/h
kW
Heating Capacity kcal/h
Btu/h
Casing
Dimensions(WxDxH)
Body mm
inch
Coil
Rows x Columns x FPI
Face Area m2(ft2)
Type
Motor Output x Number W
Running Current A
Air Flow Rate(H/M/L) CMM
(High Mode-factor set)
cfm
Fan
External Static Pressure mmAq(Pa)
Air Flow Rate(H/M/L) CMM
(Standard Mode) cfm
External Static Pressure mmAq(Pa)
Drive
Motor type
Temperature Control
Sound Absorbing Thermal Insulation Material
Air Filter
Safety Device
Liquid Side mm(inch)
Pipe Connections Gas Side mm(inch)
Drain Pipe(Internal Dia.) mm(inch)
Net Weight kg(lbs)
Noise Level (Sound Press, 1m, H/M/L) dB(A)
Power Supply Ø, V, Hz
Refrigerant Control
Power cable mm2
Transmission cable mm2
Ceiling Concealed Duct (Built-in)
PBSGB30/PBSC30 PBSGB30/PBSC30 PBSGB30/PBSC30
ARNU073B3G2 ARNU093B3G2 ARNU123B3G2
2.2 2.8 3.6
1,900 2,400 3,100
7,500 9,600 12,300
2.5 3.2 4.0
2,200 2,800 3,400
8,500 10,900 13,600
Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate
820 x 575 x 190 820 x 575 x 190 820 x 575 x 190
32.3x22.6x7.5 32.3x22.6x7.5 32.3x22.6x7.5
2x11x21 2x11x21 2x11x21
0.16(1.7) 0.16(1.7) 0.16(1.7)
Sirocco Fan Sirocco Fan Sirocco Fan
30 30 30
0.1 0.1 0.1
8/6.5/5.5 9/7/6 10/8/6.5
282/229/194 318/247/212 353/282/229
2(20) 2(20) 2(20)
8/6.5/5.5 9/7/6 10/8/6.5
282/229/194 318/247/212 353/282/229
0(0) 0(0) 0(0)
Direct Direct Direct
BLDC BLDC BLDC
Microprocessor, Thermostat for cooling and heating Microprocessor, Thermostat for cooling and heating Microprocessor, Thermostat for cooling and heating
Foamed polystrene Foamed polystrene Foamed polystrene
---
Fuse, Thermal Fuse for Fan Motor Fuse, Thermal Fuse for Fan Motor Fuse, Thermal Fuse for Fan Motor
Ø6.35(1/4) Ø6.35(1/4) Ø6.35(1/4)
Ø12.7(1/2) Ø12.7(1/2) Ø12.7(1/2)
25.4(1) 25.4(1) 25.4(1)
21(46.3) 21(46.3) 21(46.3)
37/34/33 39/35/34 40/37/34
1,208/230,60 1,208/230,60 1,208/230,60
EEV EEV EEV
CV1.5 x 3C CV1.5 x 3C CV1.5 x 3C
CVV-SB 1.25 x 2C CVV-SB 1.25 x 2C CVV-SB 1.25 x 2C
Conversion Formula
kcal/h= kW x 860
Btu/h = kW x 3412
cfm = m3/min x 35.3
l/s = CMM x 1000/60

- 5 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
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(24.6ft)
• 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(24.6ft)
• Level Difference of Zero
2. Capacities are net capacities
3. Due to our policy of innovation some specifications may be changed without notification
4. EEV: Electronic Expansion Valve
5. To be added for more available Models
Type
Accessory
Model Unit
kW
Cooling Capacity kcal/h
Btu/h
kW
Heating Capacity kcal/h
Btu/h
Casing
Dimensions(WxDxH)
Body mm
inch
Coil
Rows x Columns x FPI
Face Area m2(ft2)
Type
Motor Output x Number
W
Running Current A
Air Flow Rate(H/M/L) CMM
(High Mode-factor set) cfm
Fan External Static Pressure mmAq(Pa)
Air Flow Rate(H/M/L) CMM
(Standard Mode) cfm
External Static Pressure
mmAq(Pa)
Drive
Motor type
Temperature Control
Sound Absorbing Thermal Insulation Material
Air Filter
Safety Device
Liquid Side mm(inch)
Pipe Connections
Gas Side mm(inch)
Drain Pipe(Internal Dia.)
mm(inch)
Net Weight kg(lbs)
Noise Level (Sound Press, 1m, H/M/L) dB(A)
Power Supply Ø, V, Hz
Refrigerant Control
Power cable mm2
Transmission cable mm2
Ceiling Concealed Duct (Built-in)
PBSGB30/PBSC30 PBSGB40/PBSC40 PBSGB40/PBSC40
ARNU153B1G2 ARNU183B2G2 ARNU243B2G2
4.5 5.6 7.1
3,900 4,800 6,100
15,400 19,100 24,200
5.0 6.3 8.0
4,300 5,400 6,900
17,100 21,500 27,300
Galvanized Steel Plate Galvanized Steel Plate Galvanized Steel Plate
820 x 575 x 190 1,100 x 575 x 190 1,100 x 575 x 190
32.3x22.6x7.5 32.3x22.6x7.5 32.3x22.6x7.5
2x11x21 3x10x18 3x10x18
0.16(1.7) 0.23(2.5) 0.23(2.5)
Sirocco Fan Sirocco Fan Sirocco Fan
30 80 80
0.1 0.25 0.25
11/10/8 14/12/10 17/15/10
388/353/282 494/424/353 600/530/353
2(20) 2(20) 2(20)
11/10/8 14/12/10 17/15/10
388/353/282 494/424/353 600/530/353
0(0) 0(0) 0(0)
Direct Direct Direct
BLDC BLDC BLDC
Microprocessor, Thermostat for cooling and heating Microprocessor, Thermostat for cooling and heating Microprocessor, Thermostat for cooling and heating
Foamed polystrene Foamed polystrene Foamed polystrene
---
Fuse, Thermal Fuse for Fan Motor Fuse, Thermal Fuse for Fan Motor Fuse, Thermal Fuse for Fan Motor
Ø6.35(1/4) Ø6.35(1/4) Ø9.52(3/8)
Ø12.7(1/2) Ø12.7(1/2) Ø15.88(5/8)
25.4(1) 25.4(1) 25.4(1)
21(46.3) 26(57.3) 26(57.3)
41/40/37 43/40/37 46/43/37
1,208/230,60 1,208/230,60 1,208/230,60
EEV EEV EEV
CV1.5 x 3C CV1.5 x 3C CV1.5 x 3C
CVV-SB 1.25 x 2C CVV-SB 1.25 x 2C CVV-SB 1.25 x 2C
Conversion Formula
kcal/h= kW x 860
Btu/h = kW x 3412
cfm = m3/min x 35.3
l/s = CMM x 1000/60

- 6 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
2. List of Functions(Low Static Duct)
Air supply outlet
Airflow direction control(left & right)
Airflow direction control(up & down)
Auto swing(left & right)
Air flow Auto swing(up & down)
Airflow steps(fan/cool/heat)
Chaos swing
Chaos wind(auto wind)
Jet cool(Power wind)
Swirl wind
Deodorizing filter
Air purifying Plasma air purifier
Prefilter(washable / anti-fungus)
Drain pump
Installation E.S.P. control
Electric heater(operation)
High ceiling operation
Hot start
Reliability Self diagnosis
Soft dry operation
Auto changeover
Auto cleaning
Auto operation(artificial intelligence)
Auto restart operation
Child lock
Convenience Forced operation
Group control
Sleep mode
Timer(on/off)
Timer(weekly)
Two thermistor control
Standard wired remote controller
Wide Character wired remote controller
Picto wired remote controller
Individual Deluxe wired remote controller
control Simple wired remote controller
Wired remote controller(for hotel use)
Wireless remote controller(simple)
Wireless LCD remote control
Special Zone control
function kit CTIE
Electro thermostat
1
-
-
-
-
3/3/3
-
-
-
-
X
X
O
O
O
X
-
O
O
O
O(only heat recovery)
X
O(only heat pump or cooling only)
O
O
-
O
X
O
O
O
Accessory
Accessory
Accessory
Accessory
Accessory
X
Accessory
Accessory
-
-
FunctionCategory
ARNU073B1G2, ARNU093B1G2, ARNU123B1G2,
ARNU153B1G2, ARNU183B2G2, ARNU243B2G2
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.

- 7 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
2. List of Functions(Built in Duct)
Air supply outlet
Airflow direction control(left & right)
Airflow direction control(up & down)
Auto swing(left & right)
Air flow Auto swing(up & down)
Airflow steps(fan/cool/heat)
Chaos swing
Chaos wind(auto wind)
Jet cool(Power wind)
Swirl wind
Deodorizing filter
Air purifying Plasma air purifier
Prefilter(washable / anti-fungus)
Drain pump
Installation E.S.P. control
Electric heater(operation)
High ceiling operation
Hot start
Reliability Self diagnosis
Soft dry operation
Auto changeover
Auto cleaning
Auto operation(artificial intelligence)
Auto restart operation
Child lock
Convenience Forced operation
Group control
Sleep mode
Timer(on/off)
Timer(weekly)
Two thermistor control
Standard wired remote controller
Wide Character wired remote controller
Picto wired remote controller
Individual Deluxe wired remote controller
control Simple wired remote controller
Wired remote controller(for hotel use)
Wireless remote controller(simple)
Wireless LCD remote control
Special Zone control
function kit CTIE
Electro thermostat
1
-
-
-
-
3/3/3
-
-
-
-
X
X
O
O
O
X
-
O
O
O
O(only heat recovery)
X
O(only heat pump or cooling only)
O
O
-
O
X
O
O
O
Accessory
Accessory
Accessory
Accessory
Accessory
X
Accessory
Accessory
-
-
Function
Category
ARNU073B3G2+PBSGB30(Acc'y), PBSC30(Acc'y)
ARNU093B3G2+PBSGB30(Acc'y), PBSC30(Acc'y)
ARNU123B3G2+PBSGB30(Acc'y), PBSC30(Acc'y)
ARNU153B3G2+PBSGB30(Acc'y), PBSC30(Acc'y)
ARNU183B4G2+PBSGB40(Acc'y), PBSC40(Acc'y)
ARNU243B4G2+PBSGB40(Acc'y), PBSC40(Acc'y)
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.

- 8 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
3. Piping Diagrams(Low Static Duct)
Heat Exchanger
Sirocco Fan
Th3
Th1
Th2
lndoor unit
EEV :Heating
:Cooling
Filter
Filter
Refrigerant pipe connection port diameter
MODEL GAS LIQUID
ARNU073B1G2 Ø12.7(1/2) Ø6.35(1/4)
ARNU093B1G2 Ø12.7(1/2) Ø6.35(1/4)
ARNU123B1G2 Ø12.7(1/2) Ø6.35(1/4)
ARNU153B1G2 Ø12.7(1/2) Ø6.35(1/4)
ARNU183B4G2 Ø12.7(1/2) Ø6.35(1/4)
ARNU243B4G2 Ø15.88(5/8) Ø9.52(3/8)
[unit: mm(inch)]
LOC. Description
Th1 Room thermistor
Th2 Pipe in thermistor
Th3 Pipe out thermistor

- 9 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
3. Piping Diagrams(Built in Duct)
Heat Exchanger
Sirocco Fan
Th3 Th2
Th1
lndoor unit
EEV :Heating
:Cooling
Filter
Filter
Refrigerant pipe connection port diameter
MODEL GAS LIQUID
ARNU073B3G2+PBSGB30(Acc'y), PBSC30(Acc'y) Ø12.7(1/2) Ø6.35(1/4)
ARNU093B3G2+PBSGB30(Acc'y), PBSC30(Acc'y) Ø12.7(1/2) Ø6.35(1/4)
ARNU123B3G2+PBSGB30(Acc'y), PBSC30(Acc'y) Ø12.7(1/2) Ø6.35(1/4)
ARNU153B3G2+PBSGB30(Acc'y), PBSC30(Acc'y) Ø12.7(1/2) Ø6.35(1/4)
ARNU183B4G2+PBSGB40(Acc'y), PBSC40(Acc'y) Ø12.7(1/2) Ø6.35(1/4)
ARNU243B4G2+PBSGB40(Acc'y), PBSC40(Acc'y) Ø15.88(3/8) Ø9.52(3/8)
[unit: mm(inch)]
LOC. Description
Th1 Room thermistor
Th2 Pipe in thermistor
Th3 Pipe out thermistor

- 10 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
4. Wiring Diagrams(Low Static duct)
CN_COM
CN_ROOM
CN_PIPE/IN
CN_PIPE/OUT
CN_REMO CN_D/PUMP
CN_POWER
CN_MOTOR1 CN_MOTOR2
CN_DISP
CN_OPTION CN_EEV CN_ZONE CN_FLOTE
CN_CC
B1/B2 Chassis
Dip Switch Setting ON OFF Remarks
SW3 GROUP Master Slave Group Control setting using Wired Remote Controller
SW4 DRY CONTACT Variable Auto Dry contact mode setting
1. Duct model
-. OFF : Default(not operate continuosly )
-. ON : Fan operate continuosly
SW5 EXTRA 1 OFF ON 2. Cassette Model : No Function
3. Ceiling Suspended Model
-. OFF : Ceiling(default)
-. ON : Floor
CAUTION
For Multi V Model, Dip Switch 1,2,5,6,7,8 must be set OFF
That dip switch is used for the other model.

- 11 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
4. Wiring Diagrams(Built in Duct)
CN_COM
CN_ROOM
CN_PIPE/IN
CN_PIPE/OUT
CN_REMO CN_D/PUMP
CN_POWER
CN_MOTOR1 CN_MOTOR2
CN_DISP
CN_OPTION CN_EEV CN_ZONE CN_FLOTE
CN_CC
B3/B4 Chassis
Dip Switch Setting ON OFF Remarks
SW3 GROUP Master Slave Group Control setting using Wired Remote Controller
SW4 DRY CONTACT Variable Auto Dry contact mode setting
1. Duct model
-. OFF : Default(not operate continuosly )
-. ON : Fan operate continuosly
SW5 EXTRA 1 OFF ON 2. Cassette Model : No Function
3. Ceiling Suspended Model
-. OFF : Ceiling(default)
-. ON : Floor
CAUTION
For Multi V Model, Dip Switch 1,2,5,6,7,8 must be set OFF
That dip switch is used for the other model.

- 12 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
5. Exploded View(B1)
152302
336600B
359012B
346810B
346810A
336600A
158591
137211
352150
352118
330870
268711A
249951
W0FZZ
W4811
268711B
55211G
567480B
567480A
567480C
W6640
437213
359012A
354210
THERMISTOR 2
THERMISTOR 3
THERMISTOR 1
Thermistor 1 567480A Air Housing color : yellow
Thermistor 2 567480B Eva. in Housing color : white
Thermistor 3 567480C Eva. out Housing color : red

- 13 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
5. Exploded View(B2)
W4811
152302
336600A
359012A
567480B
567480A
567480C
158591
330870
137211
359012B
352150
352118
268711A
W0FZZ
249951
268711B
W6640
55211G
336600B
346810
437213
354210
THERMISTOR 2
THERMISTOR 3
THERMISTOR 1
Thermistor 1 567480A Air Housing color : yellow
Thermistor 2 567480B Eva. in Housing color : white
Thermistor 3 567480C Eva. out Housing color : red

- 14 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
359012A
336600B
359012B
346810B
346810A
336600A
158591
137211
352150
352118
330870
W4811
130911
55211G
367480B
367480C
354210
Eva-in
Eva-out
567480A
268711A
W0FZZ
249951
268711B
W6640
Inlet-air
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)
5. Exploded View(B3)
Thermistor 1 567480A Air Housing color : yellow
Thermistor 2 567480B Eva. in Housing color : white
Thermistor 3 567480C Eva. out Housing color : red

- 15 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
5. Exploded View(B4)
W4811
336600A
359012A
367480B
567480A
367480C
158591
330870
137211
359012B
352150
352118
268711A
W0FZZ
249951
268711B
W6640
55211G
336600B
346810
354210
Eva-in
Eva-out
THERMISTOR 1
130911
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)
Thermistor 1 567480A Air Housing color : yellow
Thermistor 2 567480B Eva. in Housing color : white
Thermistor 3 567480C Eva. out Housing color : red

P/NO : MFL42947619 MAY, 2008