LG Multi V, Multi V ARUN038GS2, Multi V ARUN048GS2 Service Manual
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
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 capacities
3. Due to our policy of innovation some specifications may be changed without prior notification
4. EEV : Electronic Expansion Valve
Heat Pump(208/230V/60Hz)
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
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 mm
2
Refigerant Refigerant name
Control
Power Supply Ø, V, Hz
45
ARUN038GS2 ARUN048GS2
10.6 13.8
9,070 11,840
36,000 47,000
12.3 14.8
10,580 12,730
42,000 50,500
2.9 3.8
3.1 4.0
Warm Gray Warm Gray
Gold fin Gold fin
DC Scroll DC Scroll
42 42
3,600x1 3,600x1
2.4 x1 2.8 x 1
Direct On Line Direct On Line
FV50S FV50S
1,700 1,700
BLDC BLDC
0.124 x 2 0.124 x 2
110 110
DC INVERTER DC INVERTER
Side Side
Ø9.52(3/8) Ø9.52(3/8)
Ø15.88(5/8) Ø15.88(5/8)
950x1380x330 950x1380x330
37.4x54.3x13 37.4x54.3x13
118 118
260 260
CVV-SB 1.25x2C CVV-SB 1.25x2C
R410A R410A
EEV 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. Functions
Category Function ARUN038GS2 ARUN048GS2
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 ARUN038GS2 ARUN048GS2
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 X
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.
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(24-10/11)
157(6-1/8)
180(7)
400(15-3/4)
76, Seongsan-dong, Changwon City, Gyeongnam,
LG Electronics USA, HVAC Division
1000 Sylvan Avenue, Englewood Cliffs, NJ 07632
www.lgusa.com / www.lghvac.com
641-713, Korea
CHASSIS CODE: U3
Outdoor Unit
ARUN038GS2
ARUN048GS2
[Unit: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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