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Copyright ©2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes

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

PQCS PQCSC101S0

Function Scheduler

PQCS 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)

Summary of Contents for A8UW54GFA0

Page 1: ...oner 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 ...

Page 2: ...ing 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 Com...

Page 3: ...nce 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 PQCSB10...

Page 4: ...usible Plug Accumulator Hotgas Valve Inverter Compressor Strainer Strainer Condenser Out Temperature Thermistor Inlet Air Temperature Thermistor Outdoor Unit Ø9 52 Flare Connection Ø19 05 Flare Connection Electronic Expansion Valve Condenser Mid Temperature Thermistor PCB Connector Description CN TH1 Air Cond Out CN TH2 Suction Discharge CN TH3 Cond Mid CN P SENSOR H Pressure Sensor CN EEV MAIN El...

Page 5: ...ervice purposes LGE Internal Use Only MAIN PCB INVERTER PCB CN_4WAY CN_POWER WCN_P N WCN_P L CN 485 DRY CN_COMM CN_FLASH CN_WRITER CN_TH3 CN P SENSOR H CN_TH2 CN_TH1 CN_CENTRAL CN_JIG_PC CN COM CN_EEV_MAIN CN HOTGAS CN N CN L CN MOTOR1 CN MOTOR2 CN MAIN CN_POWER 4 Wiring Diagrams ...

Page 6: ...55211G 554160 552116 550140A 435300 552111 437212 237205 135500 548490 554160 W6631 148000 552203B 552203A 649950 W6200 268711D 263230C Air Cond Out Suction Discharge pipe 263230B 268711C 263230A Cond Mid W6640B W6640A W0FZZ 237202 165010 Pressure sensor 552202 561410D 552560 561410A 152503 550140B 430410 Location No PCB Connector Description Housing Color 263230C CN TH1 Air Cond Out White 263230B...

Page 7: ...P NO MFL67452409 JULY 2012 ...

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