LG ARNU183NJA2, ARNU243NJA2, ARNU303NJA2, ARNU363NJA2, ARNU423NKA2 User Manual
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Multi V Air Conditioner
SVC MANUAL(Exploded View)
MODEL : ARNU183NJA2
ARNU243NJA2
ARNU303NJA2
ARNU363NJA2
ARNU423NKA2
ARNU483NKA2
ARNU543NKA2
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 -
1. Specification
Copyright ©2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1. Specification
Notes:-
1. Capacities are based on the following conditions:
Cooling
• Indoor temp.: 80°FDB or 67°FWB/ outdoor temp.: 95°FDB/Equivalent piping length: 25 ft, level difference: 0.
Heating
• Indoor temp.: 70°FDB/ outdoor temp.: 47°FDB or 43°FWB/Equivalent piping length: 25 ft, level difference: 0.
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. Sound measured at 1m(3.3ft) away from the center of the unit.
The values depends on the ambient conditions and values are normally higher in actual operation.
Conversion Formula
kcal/h= kW x 860
Btu/h = kW x 3412
CFM = m
3
/min x 35.3
l/s = CMM x 1000/60
Type
Model Unit
kW
Cooling Capacity kcal/h
Btu/h
kW
Heating Capacity kcal/h
Btu/h
Casing
Dimensions
Body
mm
(W×D×H) inch
Coil
Rows x Columns x FPI x EA
Face Area x EA m
2
Type
Motor Output W
Running Current A
Air Flow Rate(H/M/L) CMM
Fan (0.3inch ESP) CFM
Air Flow Rate(H/M/L) CMM
(0.5inch ESP) CFM
Drive
Motor type
Temperature Control
Sound Absorbing Thermal Insulation Material
Safety Device
Air Filter
Liquid Side mm(inch)
Pipe Gas Side mm(inch)
Connections Drain_Primary(ID) mm(inch)
Drain_Secondary(ID) mm(inch)
Net Weight Body kg(lbs)
Noise Level(Sound Press, 1.5m, H/M/L)
dB(H/M/L)
(0.3inch ESP)
Power Supply Ø, V, Hz
Refrigerant Control
Power cable
Transmission Cable
mm2(AWG#-C)
Panel Color
ARNU183NJA2 ARNU243NJA2 ARNU303NJA2 ARNU363NJA2
5.3 7.0 8.8 10.6
4,500 6,000 7,500 9,000
18,000 24,000 30,000 36,000
5.9 7.9 10.0 11.7
5,000 6,800 8,500 10,100
20,000 27,000 34,000 40,000
Galvanized Steel Plate
457 x 1,236 x 540 457 x 1,236 x 540 457 x 1,236 x 540 457 x 1,236 x 540
18 x 48-21/32 x 21-1/4 18 x 48-21/32 x 21-1/4 18 x 48-21/32 x 21-1/4 18 x 48-21/32 x 21-1/4
2 × 24 x 18 x 2 2 × 24 x 18 x 2 2 × 24 x 18 x 2 3 × 24 x 18 x 2
0.22 x 2 0.22 x 2 0.22 x 2 0.22 x 2
Sirocco Fan Sirocco Fan Sirocco Fan Sirocco Fan
64 96 142 182
0.39 0.59 0.87 1.12
15.0/13.6/10.8 20.1/18.1/13.6 24.9/22.7/17.8 28/24.9/22.7
530/480/380 710/640/480 880/800/630 990/880/800
15.0/13.6/10.8 20.1/18.1/13.6 24.9/22.7/17.8 28/24.9/22.7
530/480/380 710/640/480 880/800/630 990/880/800
Direct Direct Direct Direct
BLDC BLDC BLDC BLDC
Foamed polystrene Foamed polystrene Foamed polystrene Foamed polystrene
Fuse Fuse Fuse Fuse
---Ø6.35(1/4) Ø9.52(3/8) Ø9.52(3/8) Ø9.52(3/8)
Ø12.7(1/2) Ø15.88(5/8) Ø15.88(5/8) Ø15.88(5/8)
19.05(3/4FPT) 19.05(3/4FPT) 19.05(3/4FPT) 19.05(3/4FPT)
19.05(3/4FPT) 19.05(3/4FPT) 19.05(3/4FPT) 19.05(3/4FPT)
53(117) 53(117) 53(117) 55(121)
42/41/39 43/42/41 44/43/42 45/44/43
1, 208 / 230, 60 1, 208 / 230, 60 1, 208 / 230, 60 1, 208 / 230, 60
EEV EEV EEV EEV
CV1.5 x 3C CV1.5 x 3C CV1.5 x 3C CV1.5 x 3C
CVV-SB 1.0~1.5 x 2C (12-2) CVV-SB 1.0~1.5 x 2C (12-2) CVV-SB 1.0~1.5 x 2C (12-2) CVV-SB 1.0~1.5 x 2C (12-2)
Morning fog Morning fog Morning fog Morning fog
Vertical Air Handling Unit
Microprocessor,
Thermostat for cooling
and heating
Microprocessor,
Thermostat for cooling
and heating
Microprocessor,
Thermostat for cooling
and heating
Microprocessor,
Thermostat for cooling
and heating
- 3 -
1. Specification
Copyright ©2010 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.: 80°FDB or 67°FWB/ outdoor temp.: 95°FDB/Equivalent piping length: 25 ft, level difference: 0.
Heating
• Indoor temp.: 70°FDB/ outdoor temp.: 47°FDB or 43°FWB/Equivalent piping length: 25 ft, level difference: 0.
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. Sound measured at 1m(3.3ft) away from the center of the unit.
The values depends on the ambient conditions and values are normally higher in actual operation.
Conversion Formula
kcal/h= kW x 860
Btu/h = kW x 3412
CFM = m
3
/min x 35.3
l/s = CMM x 1000/60
Type
Model Unit
kW
Cooling Capacity kcal/h
Btu/h
kW
Heating Capacity kcal/h
Btu/h
Casing
Dimensions
Body
mm
(W×D×H) inch
Coil
Rows x Columns x FPI x EA
Face Area x EA m
2
Type
Motor Output W
Running Current A
Air Flow Rate(H/M/L) CMM
Fan (0.3inch ESP) CFM
Air Flow Rate(H/M/L) CMM
(0.5inch ESP) CFM
Drive
Motor type
Temperature Control
Sound Absorbing Thermal Insulation Material
Safety Device
Air Filter
Liquid Side mm(inch)
Pipe Gas Side mm(inch)
Connections Drain_Primary(ID) mm(inch)
Drain_Secondary(ID) mm(inch)
Net Weight Body kg(lbs)
Noise Level(Sound Press, 1.5m, H/M/L)
dB(H/M/L)
(0.3inch ESP)
Power Supply Ø, V, Hz
Refrigerant Control
Power cable
Transmission Cable
mm2(AWG#-C)
Panel Color
Panel Name(Acc'y)
ARNU423NKA2 ARNU483NKA2 ARNU543NKA2
12.3 14.1 15.8
10,500 12,100 13,600
42,000 48,000 54,000
13.5 15.8 17.6
11,600 13,600 15,100
46,000 54,000 60,000
Galvanized Steel Plate
635 x 1,401 x 540 635 x 1,401 x 540 635 x 1,401 x 540
25 x 55-5/32 x 21-1/4 25 x 55-5/32 x 21-1/4 25 x 55-5/32 x 21-1/4
3 × 31 x 18 x 2 3 × 31 x 18 x 2 3 × 31 x 18 x 2
0.27 x 2EA 0.27 x 2EA 0.27 x 2EA
Sirocco Fan Sirocco Fan Sirocco Fan
221 281 311
1.28 1.62 1.8
35.4/31.2/28.3 39.7/35.7/28.3 42.5/39.7/35.7
1250/1100/1000 1400/1260/1000 1475/1400/1260
35.4/31.2/28.3 39.7/35.7/28.3 42.5/39.7/35.7
1250/1100/1000 1400/1260/1000 1475/1400/1260
Direct Direct Direct
BLDC BLDC BLDC
Foamed polystrene Foamed polystrene Foamed polystrene
Fuse Fuse Fuse
-- -
Ø9.52(3/8) Ø9.52(3/8) Ø9.52(3/8)
Ø15.88(5/8) Ø15.88(5/8) Ø15.88(5/8)
19.05(3/4FPT) 19.05(3/4FPT) 19.05(3/4FPT)
19.05(3/4FPT) 19.05(3/4FPT) 19.05(3/4FPT)
75(165) 75(165) 75(165)
46/44/41 49/47/41 50/49/47
1, 208 / 230, 60 1, 208 / 230, 60 1, 208 / 230, 60
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 1.0~1.5 x 2C (12-2) CVV-SB 1.0~1.5 x 2C (12-2) CVV-SB 1.0~1.5 x 2C (12-2)
Morning fog Morning fog Morning fog
-- -
Vertical Air Handling Unit
Microprocessor,
Thermostat for cooling and
heating
Microprocessor,
Thermostat for cooling and
heating
Microprocessor,
Thermostat for cooling and
heating
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