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Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only

1. Specification

Outdoor Unit

Nominal Capacity

Cooling 

kW 

(Min~Rated~Max)

Btu/h 

Heating kW 

Btu/h 

Nominal Input 

Cooling 

kW 

(Min~Rated~Max)

Heating kW 

Energy label 
Testing Combination 
Running Current 

Cooling 

Heating A 

Starting Current 

(Cooling/Heating) 

Power Supply 

Ø / V / Hz 

Power Supply Cable (outdoor) 

No.x mm

2

Power and transmission cable (outdoor to indoor) 

No.x mm

2

Dimensions W*H*D 

mm(inch) 

Net Weight 

kg(lbs) 

Max. Number of Connectable Indoor Units 
Compressor (Inverter) 

Type 
Qty x Model 
Motor Type 
Oil Charge volume 

cc 

Oil Type 

Refrigerant 

Charge (at 7.5m) 

g(oz) 

Type 
Control 

Heat Exchanger 

Rows x Column x FPI 

Defrosting Method 
Fan Capacitor 

µ

F/Vac 

Drive 
Discharge direction 

Side / Top 

Air Flow Rate 

CMM(CFM) 

Noise Level(H) 

Sound Pressure at 1m 

dB(A) 3 

Piping connections 

Liquid(Ø) 

mm(inch) 

Gas(Ø) mm(inch) 

Max. Interunit 

Total of Each Room 

Piping Length

For One Room 

Max. Elevation 

Indoor Unit~Outdoor Unit 

Indoor Unit~Indoor Unit 

Outdoor Unit

A5UW406FA3[FM38AH UH3]

2.8~11.7~13.5

9,600~40,000~46,000

3.2~13.5~15.0

11,040~46,000~51,000

1.1~3.63~4.65
1.4~3.65~4.84

A / A

MS09AH N40 * 3EA + MS12AH N40 * 2EA

6.2~16.0~20.0
6.9~16.4~20.5

-

1/220~240/50

3x3.5

4 x 0.75(Including Earth)

900*1165*370(35.4*45.8*14.5)

95(209)

5

Twin-Rotary

5JD420Z

BLDC

1300

FV50S

4,400(155.2)

R410A

EEV

2R x 50C x 18

Reversing cycle

6 / 370

Direct

Side

53(1872)*2

58

6.35(1/4)*5EA
9.52(3/8)*5EA

85
25
15

7.5

Note:

1. Capacities are based on the following conditions:

Cooling: - Indoor Temperature 27

°

C(80.6

°

F) DB/19

°

C(66.2

°

F) WB

- Outdoor Temperature 35

°

C(95

°

F) DB/24

°

C(75.2

°

F) WB

Heating: - Indoor Temperature 20

°

C(68

°

F) DB/15

°

C(59

°

F) WB

- Outdoor Temperature 7

°

C(44.6

°

F) DB/6

°

C(42.8

°

F) WB

Piping Length - Interconnecting Piping Length 7.5m

- Level Difference of Zero

2. Wiring cable size must comply with the applicable local and national code.
3. The specification may be subject to change without prior notice for purpose of improvement.

Conversion Formula
kW = Btu/h x 0.0002931
cfm = CMM x 35.3

Summary of Contents for A5UW406FA3

Page 1: ...ner SVC MANUAL Exploded View MODEL A5UW406FA3 FM38AH UH3 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 ...

Page 2: ...runit Total of Each Room m Piping Length For One Room m Max Elevation Indoor Unit Outdoor Unit m Indoor Unit Indoor Unit m Outdoor Unit A5UW406FA3 FM38AH UH3 2 8 11 7 13 5 9 600 40 000 46 000 3 2 13 5 15 0 11 040 46 000 51 000 1 1 3 63 4 65 1 4 3 65 4 84 A A MS09AH N40 3EA MS12AH N40 2EA 6 2 16 0 20 0 6 9 16 4 20 5 1 220 240 50 3x3 5 4 x 0 75 Including Earth 900 1165 370 35 4 45 8 14 5 95 209 5 Tw...

Page 3: ...ressure switch Reliability Phase protection Restart delay 3 minutes Self diagnosis Soft start Test function Convenience Auto operation Artificial intelligence Auto restart operation CAC network Network soluation LGAP function PDI Power Distribution Indicator PI485 Special function kit Low Ambient Kit Others Thermistor Function Category A5UW406FA3 FM38AH UH3 O X O X O O O X O O O PQNUD1S00 PMNFP14A...

Page 4: ..._TH2 Th3 Thermistor for discharge pipe temperature CN_TH3 Th4 Thermistor for suction pipe temperature CN_TH3 S V 1 Solenoid Valve for Hot Gas CN_H GAS S V 2 Solenoid Valve for Oil Separator CN_OIL S L P Low Pressure Switch CN_PRESS Cooling Refrigerant flow Outdoor Unit Heating Field piping Gas Ø9 52 Field piping Liquid Ø6 35 EEV E Accumulator Th4 S V 2 L P Compressor EEV D EEV C EEV B EEV A Th3 Oi...

Page 5: ...3 CN_TH2 CN_EEV3 CN_EEV1 CN_EEV4 CN_EEV2 CN_EEV5 CN_PRESS CN_4WAY CN_H GAS CN_FAN B CN_OIL S CN_FAN A 5 Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 Wiring Diagrams ...

Page 6: ...7480D 567480E 559010 437210 435301 437211 554160 561410A 552116 561410C 561410B W4986B W4986A 268711 W6200 W6640B W6640C W6640A W6920 W0CZZB 137213 435511 W49810 661400A 552200 661400B 661400C 552203B 552203A 661400D 661400E W51620B W51620A 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 Pa...

Page 7: ...P NO MFL37468317 January 2008 ...

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