LG MFL68019901 Installation Manual Download Page 3

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Installation Manual

Multi Air Conditioner Installation Manual

TABLE OF CONTENTS

Installation Parts Provided

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

Product Introduction

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

Indoor Unit.........................................................................4

Outdoor Unit ......................................................................4

Safety Precautions

................................................................5

Installation of Indoor, Outdoor Unit

.....................................8

Select the best location ....................................................8

Installation

..............................................................................9

Preparing work for Installation...........................................9

Sticking the installation guide map and fixing Indoor unit.....10

Drill a hole in the wall ......................................................10

Installation of Wired Remote Controller(Optional) ...........11

Flaring Work and Connection of Piping

............................13

Flaring work.....................................................................13

Connection of piping - Indoor ..........................................14

Connecting the Cable between Indoor Unit and

Outdoor Unit

.........................................................................17

Connect the cable to the Indoor unit ...............................17

Checking the Drainage, Forming the Pipings and Long

Pipe Setting

..........................................................................20

Checking the drainage ....................................................20

Panel Front Assembly

.........................................................21

Level gauge

Screw driver

Electric drill

Hole core drill (ø50mm)

Flaring tool set

Specified torque wrenches
1.8kg.m, 4.2kg.m, 5.5kg.m, 6.6kg.m
(different depending on model No.)

Adjustable wrench

A glass of water

Screw driver

Hexagonal wrench(4mm)

Refrigerant Gas Leak Detector

Vacuum pump

Gauge manifold

Owner's manual

Thermometer

Remote Control Holder

Installation Requirements

Required Tools

ENGLISH

Summary of Contents for MFL68019901

Page 1: ...efore 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 TYPE WALL MOUNTED http www lghvac com www lg com ENGLISH FRANÇAIS ESPAÑOL ...

Page 2: ...FLEX MULTI SPLIT INSTALLATION INSTRUCTIONS ...

Page 3: ...aring work 13 Connection of piping Indoor 14 Connecting the Cable between Indoor Unit and Outdoor Unit 17 Connect the cable to the Indoor unit 17 Checking the Drainage Forming the Pipings and Long Pipe Setting 20 Checking the drainage 20 Panel Front Assembly 21 o Level gauge o Screw driver o Electric drill o Hole core drill ø50mm o Flaring tool set o Specified torque wrenches 1 8kg m 4 2kg m 5 5kg...

Page 4: ...r Filter ON OFFbutton Air outlet vents Base plate Connection pipe Drain hose Connecting wire Air intake vents Indoor Unit Outdoor Unit h The figure can be changed according to model Installation Parts Provided Type A screw and plastic anchor Type B screw Remote control holder Installation guide map Installation Parts ...

Page 5: ...use a power cable a plug or a loose socket which is damaged Otherwise it may cause a fire or electrical shock For installation of the product always contact the service cen ter or a professional installation agency Otherwise it may cause a fire electrical shock explosion or in jury Securely attach the electrical part cover to the indoor unit and the service panel to the outdoor unit If the electri...

Page 6: ...e unit when removing the filter They are sharp and may cause injury Do not step on the indoor outdoor unit and do not put anything on it It may cause an injury through dropping of the unit or falling down Do not place a heavy object on the power cable Otherwise it may cause a fire or electrical shock When the product is submerged into water al ways contact the service center Otherwise it may cause...

Page 7: ...oduct Keep level parallel in installing the product Otherwise it may cause vibration or water leak age Avoid excessive cooling and perform venti lation sometimes Otherwise it may do harm to your health Use a soft cloth to clean Do not use wax thinner or a strong detergent The appearance of the air conditioner may de teriorate change color or develop surface flaws Do not use an appliance for specia...

Page 8: ...back and side of the unit 3 Do not place animals and plants in the path of the warm air 4 Take the air conditioner weight into account and select a place where noise and vibration are minimum 5 Select a place so that the warm air and noise from the air conditioner do not disturb neigh bors Rooftop Installations If the outdoor unit is installed on a roof struc ture be sure to level the unit Ensure ...

Page 9: ...two screws for fixing cover pipe 2 Pull up the cover side of desired connecting di rection then cover side is separated 3 In case of connecting direction is left or right path through the hole of cover side CAUTION After removing the pipe hole cut the burr for safety When connecting pipe path through rear wall donʼt remove the hole NOTICE Drain hose junction 1 Remove the rubber stopple of desired ...

Page 10: ...the hole of product at the upper screws In this time Remove the map Falling attention Check the fixed product with light power Adjust level even by level guage and fix to installation for reference on the wall Drill the piercing part for connecting pipe as diameter Ø65mm In case of piercing rear surface Refer to No 5 on this page when making a hole in the wall First Drive the two points of the upp...

Page 11: ...ove h Remove guide groove with long nose Reclamation to the surface of the wall Upper part guide groove Right part guide groove Wall Side Wall Side Wall Side Wall Side Connecting order Separating order 3 Please fix remote controller upper part into the setup board attached to the surface of the wall as the picture below and then connect with setup board by pressing lower part Please connect not to...

Page 12: ...t 1 5m above the floor in an area with good air circulation at an average temperature 7 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...

Page 13: ...p in the tubing 3 Putting nut on Remove flare nuts attached to indoor and out door units than put them on pipe tube having completed burr removal Not possible to put them on after flaring work 4 Flaring work Carry out flaring work using flaring tool as shown below Firmly hold copper tube in a bar or die as indi cated dimension in the table above 5 Check Compare the flared work with figure If flare...

Page 14: ...le Be sure that the drain hose is located at the lowest side of the bundle Locating at the upper side can cause drain pan to overflow inside the unit Connection of piping Indoor Drain hose Connecting cable Gas side piping Liquid side piping Drain hose Loop CAUTION If the drain hose is routed inside the room insulate the hose with an insulation material so that dripping from sweating condensation w...

Page 15: ...ich they fit into the rear piping hous ing section Connecting the pipings to the indoor unit and drain hose to drain pipe 1 Align the center of the pipings and sufficiently tighten the flare nut by hand 2 Tighten the flare nut with a wrench 3 When extending the drain hose at the indoor unit install the drain pipe Indoor unit tubing Flare nut Pipings Torque wrench Indoor unit tubing Spanner fixed C...

Page 16: ...CAUTION Installation Information For right piping For right piping follow the instruction below Good case Press on the upper side of clamp and unfold the tubing to downward slowly Bad case Following bending type from left to right could cause problem of pipe damage ...

Page 17: ... The circuit diagram is subject to change without notice Be sure to connect wires according to the wiring diagram Connect the wires firmly so that they can not be pulled out easily Connect the wires according to color codes by referring to the wiring diagram RECOMMENDATION The power cord connected to the outdoor unit should comply with the following specifications NRTL Recognized for example UL or...

Page 18: ...ial listed approved for wet conditions Temperature rated for 20 4 to 90 194 And this cable should be enclosed in conduit WARNING Be sure to comply with local and national codes while running the wire from the indoor unit to the outdoor unit size of wire and wiring method etc Every wire must be connected firmly No wire should be allowed to touch refrigerant tubing the compressor or any moving parts...

Page 19: ...terminal plate How to connect wiring to the terminals For strand wiring 1 Cut the wire end with a wire cutter or wire cutting pliers then strip the insulation to expose the strand wiring about 10 mm 3 8 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using a round terminal fastener or pliers securely clamp each stripped wire end with a round terminal 4 Position the round ...

Page 20: ...the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit Drain piping 1 The drain hose should point downward for easy drain flow 2 Do not make drain piping Drain pan Drain hose Leakage checking Connecting area drain hose Leakage checking Downward slope Do not raise Accumulated drain water Tip of drain hose dipped in water Air Waving Water leakage Wa...

Page 21: ...assembly exactly Fix power cord in the bottom groove of cover side left 2 Assemble connecting lead wire with controller and first fix the upper part of panel front then match the lower part of panel front 3 Suspend hook of front panel in the groove after contract lower of 2 screws Panel Front Connector ...

Page 22: ...22 Multi Air Conditioner ...

Page 23: ...ng contractor of your product as warranty service will be provided by them 2 If you have service issues that have not been addressed by the contractor please call 1 888 865 3026 CANADA Service call Number 888 LG Canada 888 542 2623 ...

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