LG Electronics LS120HEV2 Engineering Manual

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TABLE OF CONTENTS

TABLE OF SYMBOLS

DANGER

This symbol indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

This symbol indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION

This symbol indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.

This symbol indicates situations that may result in equipment or property damage accidents only.

This symbol indicates an action that must not be performed.

Unit Nomenclature...........................................................................................................................................................................................................4

LG Air Conditioner Technical Solution (LATS)..........................................................................................................................................................5-6

Mega and Mega 115V Product Data...................................................................................................................................................................7-48

Mechanical Specifications.........................................................................................................................................................................................8

General Data.........................................................................................................................................................................................................9

Electrical Data............................................................................................................................................................................................................12

Functions, Controls, Options.........................................................................................................................................................................................13

Outdoor Unit Dimensions.........................................................................................................................................................................................14-17

Indoor Unit Dimensions.........................................................................................................................................................................................18-20

Acoustic Data ........................................................................................................................................................................................................21-26

Refrigerant Flow Diagrams...................................................................................................................................................................................27-28

Wiring Diagrams--Indoor Units...................................................................................................................................................................................29-30

Wiring Diagrams--Outdoor Units..................................................................................................................................................................................31-33

Electrical Connections..........................................................................................................................................................................................27-30

Air Flow, External Pressure, Temp. Distribution.....................................................................................................................................................34-37

Accessories...........................................................................................................................................................................................................47-48

Mega and Mega 115V Performance Data-------------------------------------------------------------------------------------------------------------------------------49-58

Cooling Capacity Data..........................................................................................................................................................................................50-52

Heating Capacity Data..........................................................................................................................................................................................53-54

Maximum Heating Capacity Data..........................................................................................................................................................................................55-56

Equipment Selection Procedure ............................................................................................................................................................................57-58

Mega and Mega 115V Application Guidelines.................................................................................................................................................59-68

Placement Considerations .....................................................................................................................................................................................60-64

Installing Outdoor Unit Indoors .............................................................................................................................................................................65-67

Refrigerant Piping Design .....................................................................................................................................................................................68

INTRODUCTION | 3

Introduction

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LG Electronics LS120HEV2 12,000 BTU Mega Single Zone Wall-Mount Ductless Split System with 12,000 BTU

Engineering Manual - Page 3