Lg LMU540HV Owner's Manual
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Internal Use Only
http://biz.lgservice.com
Multi Air Conditioner
SVC MANUAL(Exploded View)
MODEL : A8UW54GFA0 [LMU540HV]
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel.
1. Specification
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Model Name |
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A8UW54GFA0 |
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[LMU540HV] |
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Capacity |
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Nominal |
Btu/h Class |
54,000 |
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Capacity |
Cooling |
Min.~Rated~Max. |
Btu/h |
14,000 ~ 52,500 ~ 63,200 |
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Heating |
Min.~Rated~Max. |
Btu/h |
15,467 ~ 58,000 ~ 64,000 |
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Power Input |
Cooling |
Min.~Rated~Max. |
kW |
1.0 ~ 5.10 ~ 5.86 |
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Heating |
Min.~Rated~Max. |
kW |
1.49 ~ 5.34 ~ 6.19 |
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EER / COP |
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kBbu/h.W |
10.3 / 3.2 |
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Non Ducted |
18.4 / 8.7 |
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SEER / SCOP |
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Mixed |
17.1 / 8.7 |
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Ducted |
15.8 / 8.7 |
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Power Supply |
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V , Ø , Hz |
208/230, 1, 60 |
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Running Current |
Cooling |
Min.~Rated~Max. |
A |
4.6 ~ 23.7 ~ 27.2 |
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Heating |
Min.~Rated~Max. |
A |
6.9 ~ 24.8 ~ 28.7 |
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Starting Current |
Cooling |
Max. |
A |
- |
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Heating |
Max. |
A |
- |
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Power Supply Cable (included Earth) |
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No. x AWG |
3C x 4.0 |
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Wiring Connections |
Power and Communication Cable |
Outdoor ~ BD unit |
No. x AWG |
4C x 18 |
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(included Earth) |
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Sum of Indoor Units Capacity |
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kBtu/h |
73 |
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Combination |
Number of Indoor Units |
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EA |
8 |
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Number of BD Units |
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EA |
2 |
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Casing Color |
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- |
Warm Gray |
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Dimensions |
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W x H x D |
mm |
950 × 1380 × 330 |
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W x H x D |
inch |
37.4 x 54.3 x 13.0 |
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Net Weight |
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kg (lbs) |
97(213.8) |
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Type |
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- |
Twin Rotary |
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Compressor |
Model |
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Model x No. |
GPT442MAA x 1 |
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Motor type |
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- |
BLDC |
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Motor Output |
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W x No. |
4,000 (at 60Hz) x 1 |
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Type |
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- |
R410A |
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Precharged Amount |
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g (oz) |
4,400 (155.2) |
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Refrigerant |
Chargeless-Pipe Length |
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m (ft) |
40 (131.2) |
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Additional Charging Volume |
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g/m (oz/ft) |
20 (0.22) |
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Control |
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- |
Electronic Expansion Valve |
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Refrigerant Oil |
Type |
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- |
FVC68D |
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Charged volume |
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cc x No. |
1,300 x 1 |
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Heat Exchanger |
(Row x Column x Fins per inch) x No. |
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- |
(2 x 32 x 14) x2 |
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Fan |
Type |
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- |
Propeller |
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Air Flow Rate |
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m3/min(ft3/min) x No. |
60 x 2 |
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Fan Motor |
Type |
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- |
BLDC |
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Output |
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W x No. |
124.2 x 2 |
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Sound Pressure Level |
Cooling |
Rated |
dB(A) |
53 |
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Heating |
Rated |
dB(A) |
54 |
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Sound Power Level |
Cooling |
Rated |
dB(A) |
69 |
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Piping Connections |
Liquid |
Outer Dia. |
mm(inch) x No. |
Ø 9.52 (3/8) |
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Gas |
Outer Dia. |
mm(inch) x No. |
Ø 19.05 (3/4) |
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Total Piping |
Max. |
m (ft) |
145 (475.7) |
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Piping Length |
Main Piping |
Max. |
m (ft) |
55 (180.4) |
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Total Branch Piping |
Max. |
m (ft) |
90 (295.3) |
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Each Branch Piping |
Max. |
m (ft) |
15 (49.2) |
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Maximum Height |
Outdoor Unit ~ Indoor Unit |
Max. |
m (ft) |
30 (98.4) |
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Difference |
Indoor Unit ~ Indoor Unit |
Max. |
m (ft) |
15 (49.2) |
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Operation Range |
Cooling |
Min. ~ Max. |
DB ( DB) |
-10 (14.0) ~ 48 (118.4) |
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(Outdoor Temperature) |
Heating |
Min. ~ Max. |
WB ( WB) |
-18 (-0.4) ~ 18 (64.4) |
Note:
1.All data are based on the following conditions:
- Cooling Temperature : Indoor 27°C(80.6°F) DB / 19°C(66.2°F) WB
Outdoor 35°C(95°F) DB / 24°C(75.2°F) WB
- Heating Temperature : Indoor 20°C(68°F) DB / 15°C(59°F) WB Outdoor 7°C(44.6°F) DB / 6°C(42.8°F) WB
-Piping Length : Interconnected Pipe Length = 5m
-Difference Limit of Elevation (Outdoor ~ Indoor Unit) is Zero.
2.Wiring cable size must comply with the applicable local and national code.
3.Due to our policy of innovation some specifications may be changed without notification.
4.Sound Level Values are measured at Anechoic chamber.
Therefore, these values can be increased(maximum 3dB(A)) owing to ambient conditions during opration.
Copyright ©2012 LG Electronics. Inc. All right reserved. |
- 2 - |
Only for training and service purposes |
LGE Internal Use Only |
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2.List of Functions & Accessory
2.1List of Functions
Category |
Function |
A8UW54GFA0 |
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[LMU540HV] |
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Defrost / Deicing |
O |
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High Pressure Switch |
X |
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Low Pressure Switch |
X |
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Reliability |
Phase protection |
O |
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Restart Delay (3-minutes) |
O |
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Self Diagnosis |
O |
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soft start |
O |
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Test Function |
O |
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Auto operation(Artificial intelligence) |
O |
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Wiring Error Check |
O |
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Night Quiet Mode |
O |
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Convenience |
Peak Control |
O |
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Mode Lock |
O |
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Forced Operation |
O |
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Auto Restart Operation |
O |
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Central control(LGAP) |
O |
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CAC Network |
Dry contact |
O |
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Function |
PDI(Power Distribution Indicator) |
O |
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PI485 |
O |
Note :
O : Applied, X : Not applied
* Option : Model name & price are different according to options, and assembled in factory with main unit.
Accessory model name : Installed at field, ordered and purchased separately by the corresponding model name, supplied with separate package.
2.2 List of Accessory
Device |
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A8UW54GFA0 |
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[LMU540HV] |
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Simple Controller |
PQCSB101S0 |
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Function controller |
PQCSB101S0 + PQCSC101S0 |
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Function Scheduler |
PQCSB101S0 + PQCSD130A0 |
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AC Ez |
PQCSZ250S0 |
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Central Controller |
AC Smart ll |
PQCSW320A1E |
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Option Kit (SD card type) |
PQCSE341A0 / PQCSE342A0 |
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ACP(Advanced Control Platform) |
PQCPA11A0E / PQCPB11A0E |
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AC Manager |
PQCSS520A0E |
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PI485 |
PMNFP14A0/PMNFP14A1 |
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DO(Digital Output) Kit |
PQNFP00T0 |
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BNU |
LONWORKS Gateway |
PQNFB16A1 |
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(Building Network Unit) |
BACnet Gateway |
PQNFB17B0 |
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Y branch |
PMBL5620 |
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Installation |
Header branch |
PMBL1203F0 |
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Air Guide |
X |
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BD Unit |
PMBD3620, PMBD3630, PMBD3640 |
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ODU Dry Contact |
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O |
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Low Ambient Kit |
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O (Logical operation) |
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Copyright ©2012 LG Electronics. Inc. All right reserved. |
- 3 - |
Only for training and service purposes |
LGE Internal Use Only |
|