Lg Lmu540hv Owner's Manual

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.

Internal Use Only

http://biz.lgservice.com

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LGE Internal Use Only

1. Specification

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.

Model Name

A8UW54GFA0

[LMU540HV]

Capacity Nominal Btu/h Class 54,000

Capacity

Cooling Min.~Rated~Max. Btu/h 14,000 ~ 52,500 ~ 63,200 Heating Min.~Rated~Max. Btu/h 15,467 ~ 58,000 ~ 64,000

Power Input

Cooling Min.~Rated~Max. kW 1.0 ~ 5.10 ~ 5.86 Heating Min.~Rated~Max. kW 1.49 ~ 5.34 ~ 6.19

EER / COP kBbu/h.W 10.3 / 3.2

SEER / SCOP

Non Ducted 18.4 / 8.7

Mixed 17.1 / 8.7

Ducted 15.8 / 8.7

Power Supply V , Ø , Hz 208/230, 1, 60

Running Current

Cooling Min.~Rated~Max. A 4.6 ~ 23.7 ~ 27.2 Heating Min.~Rated~Max. A 6.9 ~ 24.8 ~ 28.7

Starting Current

Cooling Max. A Heating Max. A -

Wiring Connections

Power Supply Cable (included Earth) No. x AWG 3C x 4.0 Power and Communication Cable

(included Earth)

Outdoor ~ BD unit No. x AWG 4C x 18

Combination

Sum of Indoor Units Capacity kBtu/h 73 Number of Indoor Units EA 8 Number of BD Units EA 2

Casing Color - Warm Gray

Dimensions

W x H x D mm 950 × 1380 × 330 W x H x D inch 37.4 x 54.3 x 13.0

Net Weight kg (lbs) 97(213.8)

Compressor

Type - Twin Rotary Model Model x No. GPT442MAA x 1 Motor type - BLDC Motor Output W x No. 4,000 (at 60Hz) x 1

Refrigerant

Type - R410A Precharged Amount g (oz) 4,400 (155.2) Chargeless-Pipe Length m (ft) 40 (131.2) Additional Charging Volume g/m (oz/ft) 20 (0.22) Control - Electronic Expansion Valve

Refrigerant Oil

Type - FVC68D Charged volume cc x No. 1,300 x 1

Heat Exchanger (Row x Column x Fins per inch) x No. - (2 x 32 x 14) x2

Fan

Type - Propeller Air Flow Rate m3/min(ft3/min) x No. 60 x 2

Fan Motor

Type - BLDC Output W x No. 124.2 x 2

Sound Pressure Level

Cooling Rated dB(A) 53 Heating Rated dB(A) 54

Sound Power Level Cooling Rated dB(A) 69

Piping Connections

Liquid Outer Dia. mm(inch) x No. Ø 9.52 (3/8) Gas Outer Dia. mm(inch) x No. Ø 19.05 (3/4)

Piping Length

Total Piping Max. m (ft) 145 (475.7) Main Piping Max. m (ft) 55 (180.4) Total Branch Piping Max. m (ft) 90 (295.3) Each Branch Piping Max. m (ft) 15 (49.2)

Maximum Height Difference

Outdoor Unit ~ Indoor Unit Max. m (ft) 30 (98.4) Indoor Unit ~ Indoor Unit Max. m (ft) 15 (49.2)

Operation Range (Outdoor Temperature)

Cooling Min. ~ Max. ℃ DB (℉ DB) -10 (14.0) ~ 48 (118.4) Heating Min. ~ Max. ℃ WB (℉ WB) -18 (-0.4) ~ 18 (64.4)

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LGE Internal Use Only

2. List of Functions & Accessory

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

2.1 List of Functions

Category Function

A8UW54GFA0

[LMU540HV]

Reliability

Defrost / Deicing O High Pressure Switch X Low Pressure Switch X Phase protection O Restart Delay (3-minutes) O Self Diagnosis O soft start O Test Function O

Convenience

Auto operation(Artificial intelligence) O Wiring Error Check O Night Quiet Mode O Peak Control O Mode Lock O Forced Operation O Auto Restart Operation O

CAC Network

Function

Central control(LGAP) O Dry contact O PDI(Power Distribution Indicator) O

PI485 O

Device

A8UW54GFA0

[LMU540HV]

Central Controller

Simple Controller PQCSB101S0 Function controller PQCSB101S0 + PQCSC101S0 Function Scheduler PQCSB101S0 + PQCSD130A0 AC Ez PQCSZ250S0 AC Smart ll PQCSW320A1E Option Kit (SD card type) PQCSE341A0 / PQCSE342A0 ACP(Advanced Control Platform) PQCPA11A0E / PQCPB11A0E AC Manager PQCSS520A0E PI485 PMNFP14A0/PMNFP14A1 DO(Digital Output) Kit PQNFP00T0

BNU (Building Network Unit)

LONWORKS Gateway PQNFB16A1 BACnet Gateway PQNFB17B0

Installation

Y branch PMBL5620 Header branch PMBL1203F0 Air Guide X

BD Unit PMBD3620, PMBD3630, PMBD3640 ODU Dry Contact O Low Ambient Kit O (Logical operation)

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