LG A3UW24GFA0 Service Manual Download Page 3

2. List of Functions & Accessory

Note :

O : Applied,   × : 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

- 3 -

Copyright ©2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only

2.1 List of Functions

Device

A3UW24GFA0

[LMU24CHV]

Central Controller

Simple Controller

X

Function controller

X

Function Scheduler

X

AC Ez

PQCSZ250S0

AC Smart ll

PQCSW320A1E

Option Kit (SD card type)

PQCSE341A0 / PQCSE342A0

ACP(Advanced Control Platform)

PQCPA11A0E / PQCPB11A0E

AC Manager

X

PI485

PMNFP14A0 / PMNFP14A1

DO(Digital Output) Kit

PQNFP00T0

BNU 
(Building Network Unit)

LONWORKS Gateway

PQNFB16A1

BACnet Gateway

PQNFB17B0

Installation

Y branch X X

X

Header branch

X

Air Guide

X

ODU Dry Contact

X

Low Ambient Kit

O (Logical operation)

Function

A3UW24GFA0 

[LMU24CHV]

Reliability

Defrost / Deicing

O

Phase Protection

X

Restart Delay(3-minutes)

O

Self Diagnosis

O

Soft Start

O

Test Function

X

Convenience

Wiring Error Check 

O

Night Quiet Mode

O

Mode Lock

O

Peak Control

O

Forced Operation

O

CAC Network Function

Central Control(LGAP)

O

PDI(Power Distribution Indicator)

O

PI485

O

Summary of Contents for A3UW24GFA0

Page 1: ...oner SVC MANUAL Exploded View MODEL A3UW24GFA0 LMU24CHV 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: ...tarting Current Cooling Max A Heating Max A Wiring Connections Power Supply Cable included Earth No x mm2 AWG 3C x 2 5 12 Power and Communication Cable included Earth Outdoor BD unit No x mm2 AWG Combination Sum of Indoor Units Capacity kBtu h 33 Number of Indoor Units EA 3 Number of BD Units EA Casing Color Warm Gray Dimensions W x H x D mm 870 655 320 W x H x D inch 34 1 4 x 25 25 32 x 12 19 32 ...

Page 3: ...on Scheduler X AC Ez PQCSZ250S0 AC Smart ll PQCSW320A1E Option Kit SD card type PQCSE341A0 PQCSE342A0 ACP Advanced Control Platform PQCPA11A0E PQCPB11A0E AC Manager X PI485 PMNFP14A0 PMNFP14A1 DO Digital Output Kit PQNFP00T0 BNU Building Network Unit LONWORKS Gateway PQNFB16A1 BACnet Gateway PQNFB17B0 Installation Y branch X X X Header branch X Air Guide X ODU Dry Contact X Low Ambient Kit O Logic...

Page 4: ...emperature Thermistor Inverter Compressor Electronic Expansion Valve Condenser Out Temperature Thermistor Inlet Air Temperature Thermistor Outdoor Unit Ø6 35 Flare Connection Ø9 52 Flare Connection Condensing Temperature Thermistor ROOM A ROOM A ROOM B Field Piping Liquid Ø6 35 Field Piping Gas Ø9 52 Cooling Heating ROOM B ROOM C Main SVC V V ROOM C Main SVC V V Pressure Sensor ...

Page 5: ... 5 Copyright 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 Wiring Diagrams ...

Page 6: ... Internal Use Only Main PCB CN COMM CN MONITOR CN U_V_W P L _BR P N _BL CN COIL1 CN COIL2 WCN GND2 Sub PCB Monitoring PCB CN MONITOR1 CN DISCHARGE CN EEV A CN AIR CN SUCTION CN EEV B CN MID CN EEV C CN H PRESS CN LGMV CN CENTRAL CN WRITE DIP SW CN MAIN CN FLASH 7_SEGMENT TACT SW1 CN 4WAY CN HEATER2 ...

Page 7: ...11D 649950 263230E 263230A 263230B 263230C 263230D 165010 552203A 552203B W49810 552200 661400C 661400B 661400A 152503 261704 552114 552113 W4986A W4986B Location No Description Sensor Information Housing Color 263230A Thermisther1 CN DISCHARGE Discharge Pipe Black 263230B Thermisther2 CN SUCTION Suction Pipe Green 263230C Thermisther3 CN C PIPE Cond Out Pipe Violet 263230D Thermisther4 CN MID Con...

Page 8: ...P NO MFL68280002 January 2014 ...

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