LG Multi V 2 Series Installation Manual Download Page 3

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Installation Manual

ENGLISH

Floor Standing Concealed Floor Standing Type Indoor Unit Installation Manual

TABLE OF CONTENTS

❏

Four type "A" screws

❏

Connecting cable

❏

Pipes: Gas side

Liquid side
(Refer to Product Data)

❏

Insulation materials

❏

Additional drain pipe

❏

Level gauge

❏

Screw driver

❏

Electric drill

❏

Hole core drill

❏

Flaring tool set

❏

Specified torque wrenches
(different depending on model No.)

❏

Spanner .......Half union

❏

A glass of water

❏

Screw driver

❏

Hexagonal wrench

❏

Gas-leak detector

❏

Vacuum pump

❏

Gauge manifold

❏

Owner's manual

❏

Thermometer

Safety Precautions

.................4

Introduction

.............................7

Installation

Selection the best location ....8

Preparation of Piping...........10

Drain piping work.................12

How to connect wirings .......13

Wiring Connection ...............13

Installation of Wired
Remote Controller ...............16

Optional Operation of

Wired Remote Controller.....18

Dip Switch Setting ...............19

Group Control Setting .........20

Installation Requirements

Required Parts

Required Tools

Summary of Contents for Multi V 2 Series

Page 1: ...T Please read this installation manual completely before installing the product Installation work must be performed in accordance with the national wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly ENGLISH FRANÇAIS ESPAÑOL ...

Page 2: ...perly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to wall and floors in moist or uneven locatinons Use a raised concrete pad or concrete blocks provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration in an area with high winds Securely anchor the outdoor unit down with bolts and a metal frame Pro...

Page 3: ...wrenches different depending on model No Spanner Half union A glass of water Screw driver Hexagonal wrench Gas leak detector Vacuum pump Gauge manifold Owner s manual Thermometer Safety Precautions 4 Introduction 7 Installation Selection the best location 8 Preparation of Piping 10 Drain piping work 12 How to connect wirings 13 Wiring Connection 13 Installation of Wired Remote Controller 16 Option...

Page 4: ...he possibility of injury or damage to properties only Be sure not to do Be sure to follow the instruction Installation Do not use a defective or under rated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock For electrical work contact the dealer seller a qualified electri cian or an Authorized Service Center Do not disassemble or repair the product T...

Page 5: ...l of the case edges and the fins on the condenser and evaporator For installation always contact the dealer or an Authorized Service Center There is risk of fire electric shock explosion or injury Do not install the product on a defective installation stand It may cause injury accident or damage to the product Be sure the installation area does not deteriorate with age If the base collapses the ai...

Page 6: ...the out door unit could damage the neighborhoods It may cause a problem for your neighbors Use two or more people to lift and transport the product Avoid personal injury Do not install the product where it will be exposed to sea wind salt spray directly It may cause corrosion on the product Corrosion particularly on the con denser and evaporator fins could cause product malfunction or inefficient ...

Page 7: ...el Air Filter Air Inlet Air Inlet Air filter At Air Inlet Remote Controller TEMP This symbol alerts you to the risk of electric shock This symbol alerts you to hazards that could cause harm to the air conditioner This symbol indicates special notes NOTICE Symbols Used in this Manual Features CEA CFA Type CEU CFU Type ...

Page 8: ...nclined Where nothing blocks the air passage Where condensate can be properly drained Where sufficient clearance for installation and maintenance can be ensured Where there is no possibility of flammable gas leakage Where optimum air distribution can be ensured Where piping between indoor and outdoor units is possible within the allowable limit Refer to the installation manual of the outdoor unit ...

Page 9: ...ws Both left and right 3 Lift the front panel of the unit To close perform the procedure in opposite order 1 Use the installationmount for installation Check whether the wall is strong enough to bear the weight of the unit or not if there is a risk reinforce the wall before installing the unit 2 The unit requires a minimum 100 mm clearance on the underside for air intake Also ensure the unit is le...

Page 10: ...urrs drop in the tubing 3 Flaring work Carry out flaring work using flaring tool as shown below Firmly hold copper tube in a bar or die as indicated dimension in the table above 4 Check Compare the flared work with figure below If flare is noted to be defective cut off the flared section and do flaring work again Main cause of gas leakage is defect in flaring work Carry out correct flaring work in...

Page 11: ...ntil the shaft contacts the main body seal 3 Make sure to tighten the cap securely For the tightening torque refer to the table on the below CAUTION Always use a charge hose for service port connection After tightening the cap check that no refrigerant leaks are present When loosening a flare nut always use two wrenches in combination When connecting the piping always use a spanner and torque wren...

Page 12: ... referrig to the figure Fasten both ends with clamps Installation Indoor unit Thermal insulator accessory Fastening band accessory Insulation for fitting accessory For liquid piped Insulation for fitting accessory For gas piped liquid pipe Refrigerant piping Clamp 6 4 accessory HEAT INSULATION Drain piping work Drain piping must have downward 1 50 to 1 100 be sure not to provide up and down slope ...

Page 13: ...ooseness How to connect wirings Remove the electric parts Box cover and connect the wiring Power Supply wiring ground wiring Field wiring Fasten with accessory clamp Transmission wiring Field wiring Power supply wiring ground wiring Fasten with clamp Transmission wiring WARNING Loose wiring may cause the terminal to overheat or result in unit malfunction A fire hazzard may also exist Therefore be ...

Page 14: ... wires 3 Specification of power source 4 Confirm that electrical capacity is sufficient 5 See to that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate 6 Confirm that the cable thickness is as specified in the power source specification Particularly note the relation between cable length and thickness 7 In a wet or moist area always install an...

Page 15: ...mpera ture Do not install the remote controller where it can be affected by Drafts or dead spots behind doors and in corners Hot or cold air from ducts Radiant heat from sun or appliances Concealed pipes and chimneys Uncontrolled areas such as an outside wall behind the remote controller This remote controller is equipped with a seven segment LED display For proper display of the remote controller...

Page 16: ...fixing the top part of the wired remote controller to the installation board as shown in beside picture press the bottom part to assemble the con troller to it s board When disassemble the wired remote controller from the installation board use the driver as shown in the right picture and insert it into the hole with the arrow And when you pull the driver in the front direction the wired remote co...

Page 17: ...use damage in the temperature sensor Do not install the cable to be 50m or above It can cause communication error When installing the extension cable check the connecting direction of the connector of the remote controller side and the product side for correct installation If you install the extension cable in the opposite direction the connector will not be connected Specification of extension ca...

Page 18: ...release 5 Press button to exit or system will automatically exit after 25 seconds without any input Therefore system will use value that sensed from indoor unit or remote controller If you want to know more Optional Operation please refer to Wired Remote Controller Manual Two Thermistor System Temperature sensor location Function 01 Remote controller Operation in remote controller Temperature sens...

Page 19: ...nsole Etc N A Default N A Default Selection of Master or Slave Selection of Dry Contact Mode CST No function Duct Fan continuous oper ation CVT Selection of ceiling or floor Console Concealed or not N A Selection of Ventilator link age Selection of up down side Vane Spare Master Wired Wireless remote controller Selection of Manual or Auto operation Mode Continuous operation Removal Ceiling General...

Page 20: ... at indoor unit display on the wired remote controller Exception of the error indoor unit an individual indoor unit control possibility 6 In case of Group Control be limited additional functions of indoor unit Selection of operation options stop mode temperature Control of flow rate strong middle weak Time reservation function Elevation grille All kind of indoor units be set possible using a wirel...

Page 21: ...e to recognize Dry Contact and Central controller only 5 In case of any error occurs at indoor unit display on the wired remote controller Exception of the error indoor unit an individual indoor unit control possibility 6 In case of Group Control be limited additional functions of indoor unit Selection of operation options stop mode temperature Control of flow rate strong middle weak Time reservat...

Page 22: ...ossible to connect two remote controller 3 It is possible to use wireless remote controller at the same time 4 It is possible to connect with Dry Contact and Central controller at the same time 5 In case of any error occurs at indoor unit display on the wired remote controller 6 There isn t limits of indoor unit function GND Signal 12V LGAP Network System Display Error Message Master Master Slave ...

Page 23: ...P No MFL42803120 Printed in Korea After reading this manual keep it in a place easily accessible to the user for future reference ...

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