LG PM05SP INSTALLATION MANUAL

INSTALLATION MANUAL

ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

AIR CONDITIONER

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.

WALL MOUNTED Original instruction

[Representative] LG Electronics Inc. EU Representative : LG Electronics European Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands [Manufacturer]

MFL67855550

Rev.00_021319

www.lg.com

ENGLISH

MODEL DESIGNATION

The A-weighted sound pressure emitted by

this product is below 70 dB.

** The noise level can vary depending on the site.

The figures quoted are emission level and are not necessarily safe working levels.

Whilst there is a correlation between the emission and exposure levels, this cannot be used reliably to determine whether or not further precautions are required.

Factor that influence the actual level of exposure of the workforce include the characteristics of the work room and the other sources of noise, i.e. the number of equipment and other adjacent processes and the length of time for which an operator exposed to the noise. Also, the permissible exposure level can vary from country to country.

This information, however, will enable the user of the equipment to make a better evaluation of the hazard and risk.

Airborne Noise Emission

Limiting concentration is the limit of Freon gas concentration where immediate measures can be taken without hurting human body when refrigerant leaks in the air. The limiting concentration shall be described in the unit of kg/m3(Freon gas weight per unit air volume) for facilitating calculation

Total amount of replenished refrigerant in refrigerant facility (kg)

Capacity of smallest room where indoor unit is installed (m3)

Refrigerant

concentration

(kg/m3)

Limiting concentration: 0.44kg/m3(R410A)

Limiting concentration

n Calculate refrigerant concentration

Model Suffix

- Product Name : Air conditioner

- Model Name :

- Additional Information : serial number is refer to the barcode on the product.

- Max allowable pressure High side :

4.2 Mpa / Low side : 2.4 Mpa

- Refrigerant : R410A / R32

P M S P07 N SJ

(7) Chassis

(6) Indoor(N)

(5) Serial

(4) Product Look

(3) Capacity (kBTU)

(2) Product

(1) Product Type 1

D Deluxe P Standard Plus/Standard A Artcool

(4) Product Look

R R-Look S Semi R-Look E E-Look B Black Mirror Look

M Multi Compitable

(2) Product

SJ Chassis SK Chassis

(7) Chassis

MODEL DESIGNATION

Product information

TIPS FOR SAVING ENERGY

ENGLISH

• Do not cool excessively indoors. This may be harmful for your health and may consume more electricity.

• Block sunlight with blinds or curtains while you are operating the air conditioner.

• Keep doors or windows closed tightly while you are operating the air conditioner.

• Adjust the direction of the air flow vertically or horizontally to circulate indoor air.

• Speed up the fan to cool or warm indoor air quickly, in a short period of time.

• Open windows regularly for ventilation as the indoor air quality may deteriorate if the air conditioner is used for many hours.

• Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may block the air flow or weaken the cooling / dehumidifying functions.

For your records

Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes. Write the model number and the serial number here:

Model number :

Serial number :

You can find them on a label on the side of each unit.

Dealer’s name :

Date of purchase :

Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below:

TIPS FOR SAVING ENERGY

IMPORTANT SAFETY INSTRUCTIONS

ENGLISH

IMPORTANT SAFETY INSTRUCTIONS

The following symbols are displayed on indoor and outdoor units.

READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.

Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product

WARNING

It can result in serious injury or death when the directions are ignored

CAUTION

It can result in minor injury or product damage when the directions are ignored

WARNING

• Installation or repairs made by unqualified persons can result in hazards to you and others.

• Installation MUST conform with local building codes or, in the absence of local codes, with the Nation Electrical Code NFPA 70/ANSI C1-1003 or current edition and Canadian Electrical Code Part1 CSA C.22.1.

• The information contained in the manual is intended for use by a qualified service technician familiar with safety procedures and equipped with the proper tools and test instruments.

• Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property damage, personal injury and/or death.

• Compliance with national gas regulations shall be observed.

Installation

• Always perform grounding.

- Otherwise, it may cause electrical shock.

• Don’t use a power cord, a plug or a loose socket which is damaged.

- Otherwise, it may cause a fire or electrical shock.

Read the precautions in this manual carefully before operating the unit.

This appliance is filled with flammable refrigerant (R32)

This symbol indicates that the Operation Manual should be read carefully.

This symbol indicates that a service personnel should be handling this equipment with reference to the Installation Manual.

ENGLISH

IMPORTANT SAFETY INSTRUCTIONS

• For installation of the product, always contact the service center or a professional installation agency.

- Otherwise, it may cause a fire, electrical shock, explosion or injury.

• Securely attach the electrical part cover to the indoor unit and the service panel to the outdoor unit.

- If the electrical part cover of the indoor unit and the service panel of

the outdoor unit are not attached securely, it could result in a fire or electric shock due to dust, water, etc.

• Always install an air leakage breaker and a dedicated switching board.

- No installation may cause a fire and electrical shock.

• Do not keep or use flammable gases or combustibles near the air conditioner.

- Otherwise, it may cause a fire or the failure of product.

• Ensure that an installation frame of the outdoor unit is not damaged due to use for a long time.

- It may cause injury or an accident.

• Do not disassemble or repair the product randomly. - It will cause a fire or electrical shock.

• Do not install the product at a place that there is concern of falling down.

- Otherwise, it may result in personal injury.

• Use caution when unpacking and installing. - Sharp edges may cause injury.

• The appliance shall be stored in a room without continuously operating ignition sources (for example: open flames, an operating gas appliance or an operating electric heater.)

• Two or more people must lift and transport the product. Avoid personal injury.

• Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer.

• Do not pierce or burn refrigerant cycle part.

• Be aware that refrigerants may not contain an odour.

• Keep any required ventilation openings clear of obstruction.

• The appliance shall be stored in a well-ventilated area where the room size corresponds to the room area as specified for operation.

• Refrigerant tubing shall be protected or enclosed to avoid damage.

ENGLISH

IMPORTANT SAFETY INSTRUCTIONS

• Flexible refrigerant connectors (such as connecting lines between the indoor and outdoor unit) that may be displaced during normal operations shall be protected against mechanical damage.

• A brazed, welded, or mechanical connection shall be made before opening the valves to permit refrigerant to flow between the refrigerating system parts.

• Mechanical connections shall be accessible for maintenance purposes.

Operation

• Do not share the outlet with other appliances. - It will cause an electric shock or a fire due to heat generation.

• Do not use the damaged power cord.

- Otherwise, it may cause a fire or electrical shock.

• Do not modify or extend the power cord randomly.

- Otherwise, it may cause a fire or electrical shock.

• Take care so that the power cord may not be pulled during operation.

- Otherwise, it may cause a fire or electrical shock.

• Unplug the unit if strange sounds, smell, or smoke comes from it.

- Otherwise, it may cause electrical shock or a fire.

• Keep the flames away.

- Otherwise, it may cause a fire.

• Take the power plug out if necessary, holding the head of the plug and do not touch it with wet hands.

- Otherwise, it may cause a fire or electrical shock.

• Do not use the power cord near the heating tools.

- Otherwise, it may cause a fire and electrical shock.

• Do not open the suction inlet of the indoor/outdoor unit during operation.

- Otherwise, it may electrical shock and failure.

• Do not allow water to run into electrical parts.

- Otherwise, it may cause the failure of machine or electrical shock.

• Hold the plug by the head when taking it out. - It may cause electric shock and damage.

• Never touch the metal parts of the 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.

IMPORTANT SAFETY INSTRUCTIONS

ENGLISH

• Do not place a heavy object on the power cord.

- Otherwise, it may cause a fire or electrical shock.

• When the product is submerged into water, always contact the service center.

- Otherwise, it may cause a fire or electrical shock.

• Take care so that children may not step on the outdoor unit.

- Otherwise, children may be seriously injured due to falling down.

• Use a vacuum pump or inert (nitrogen) gas when doing leakage test or air purge. Do not compress air or oxygen, and do not use flammable gases. Otherwise, it may cause fire or explosion. - There is the risk of death, injury, fire or explosion.

• Do not turn on the breaker or power under condition that front panel, cabinet, top cover, control box cover are removed or opened.

- Otherwise, it may cause fire, electric shock, explosion or death.

• Turn off all devices that cause fire when the refrigerant leaks., ventilate the room (example : opening window or using ventilation unit), and contact with dealer who you purchased the unit.

• The installation of pipe-work shall be kept to a minimum.

• When mechanical connectors are reused indoors, sealing parts shall be renewed.(for R32)

• When flared joints are reused indoors, the flare part shall be refabricated.(for R32)

CAUTION

Installation

• Install the drain hose to ensure that drain can be securely done. Otherwise, it may cause water leakage.

• Install the product so that the noise or hot wind from the outdoor unit may not cause any damage to the neighbors.

- Otherwise, it may cause dispute with the neighbors.

• Always inspect gas leakage after the installation and repair of product.

- Otherwise, it may cause the failure of product.

• Keep level parallel in installing the product. - Otherwise, it may cause vibration or water leakage.

• Any person who is involved with working on or breaking into a

IMPORTANT SAFETY INSTRUCTIONS

ENGLISH

refrigerant circuit should hold a current valid certificate from an industry-accredited assessment authority, which authorises their competence to handle refrigerants safely in accordance with an industry recognised assessment specification. (for R32)

• Wear adequate personal protection equipment (PPE) when installing, maintaining or servicing the product.

Operation

• Avoid excessive cooling and perform ventilation 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 deteriorate, change color, or develop surface flaws.

• Do not use an appliance for special purposes such as preserving animals vegetables, precision machine, or art articles.

- Otherwise, it may damage your properties.

• Do not place obstacles around the flow inlet or outlet.

- Otherwise, it may cause the failure of appliance or an accident.

• The appliance shall be stored so as to prevent mechanical damage from occurring.

• Servicing shall only be performed as recommended by the equipment manufacturer. Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of the person competent in the use of flammable refrigerants. (for R32)

• Dismantling the unit, treatment of the refrigerant oil and eventual parts should be done in accordance with local and national standards.

• Periodic ( more than once/year ) cleaning of the dust or salt particles stuck on the heat exchanger by using water.

• Means for disconnection must be incorporated in the fixed wiring in accordance with the wiring rules

ENGLISH

2 MODEL DESIGNATION 3 TIPS FOR SAVING ENERGY 4 IMPORTANT SAFETY INSTRUCTIONS 10 INTRODUCTION

10 Symbols used in this Manual

10 Features

11 INSTALLATION PARTS 11 INSTALLATION TOOLS 12 INSTALLATION MAP 13 INSTALLATION

13 Select the best Location

13 Outdoor unit

15 Fixing Installation Plate

15 Drill a Hole in the Wall

15 Flaring Work

16 Connecting the Piping

21 Connecting the Cables

23 Checking the Drainage

24 Installing drain piping of the outdoor unit

24 Forming the Piping

25 Air P

urging

25 Air purging with vacuum pump

28 Te s t R unning

29 Heating Only Mode

30 SMART DIAGNOSIS

31Installation guide at theseaside

32Piping Length and Elevation

33 Manual the decor, air ﬁlter Assembly & Disassembly

TABLE OF CONTENTS

INTRODUCTION

ENGLISH

* The feature can be changed according to type of model.

NOTE

• When mechanical connectors are reused indoors, sealing parts shall be renewed.

Symbols used in this Manual

This symbol alerts you to the risk of electric shock.

This symbol alerts you to hazards that may cause harm to the air conditioner.

This symbol indicates special notes.

Features

INTRODUCTION

Air outlet

Air deﬂector

(Vertical louver & Horizontal vane)

Air Intake Vents

Air Outlet Vents

Air ﬁlter

Front grille Signal receiver Display

On/Off button

Plasmaster Ionizer

Connecting Wires

Piping

Drain Hose

Base Plate

INSTALLATION PARTS

ENGLISH

INSTALLATION TOOLS

Name

Quantity Shape

Installation plate

1 EA

Cloth tape

Connector

1 EA

Type "A" screw

5 EA

Type "B" screw

2 EA

Type "C" screw

2 EA

Remote control

holder

1 EA

1 EA (5.0 kW)

2 EA (6.6 kW)

The feature can be changed according to type of model.

Type “B” screw

5.0 kW : ڸØ9.52 (3/8) ơ Ø12.7 (1/2)

6.6 kW : ڸØ9.52 (3/8) ơ Ø12.7 (1/2) ڹØ15.88 (5/8) ơ Ø12.7 (1/2)

Screws for fixing panels are attached to decoration panel. When Indoor unit (5.0/6.6 kW) is connected to the Multi Outdoor unit, use the connector.

INSTALLATION PARTS

Figure FigureName

Measuring tape, Knife

Torque wrench

Screw driver

Electric drill

Hole core drill

Spanner

Name

Multi-meter

Hexagonal wrench

Ammeter

Gas-leak detector

Thermometer,

Level

Flaring tool set

INSTALLATION MAP

ENGLISH

NOTE

• You should purchase the installation parts. (lt can be changed according to market)

* The feature can be changed according a type of model. * Work to the vinyl tape should up from below.

INSTALLATION MAP

Saddle

Installation plate Sleeve Bushing-Sleeve

Putty(Gum Type Sealant)

Bend the pipe as closely on the wall as possible, but be careful that it doesn't break.

Vinyl tape (Wide)

• Apply after carrying out a drainage test.

• To carry out the drainage test, remove the air ﬁlters and pour water into the heat exchanger.

Gas side piping (Optional Parts) Liquid side piping (Optional Parts) Additional drain pipe

Vinyl tape (Narrow) Drain hose Connecting cable (Optional Parts)

INSTALLATION

ENGLISH

* The feature can be changed according to

type of model.

* The feature can be changed according to

type of model.

More than

300

More than

300

Sunroof

Fence or

obstacles

More than

700

More than

600

(Unit : mm)

NOTE

The gap between the indoor unit and ceiling is needed more than 200 mm for disassemble the air filter.

Outdoor unit

- If an awning is built over the unit to prevent direct sunlight or rain exposure, make sure that heat radiation from the condenser is not restricted.

- Ensure that the space around the back and sides is more than 300 mm. The space in front of the unit should be more than 700 mm of space.

- Do not place animals and plants in the path of the warm air.

- Take the weight of the air conditioner into account and select a place where noise and vibration are minimum.

- Select a place where the warm air and noise from the air conditioner do not disturb neighbors.

Select the best Location

- There should not be any heat or steam near the unit.

- Select a place where there are no obstacles around of the unit.

- Make sure that condensation drainage can be conveniently routed away.

- Do not install near a doorway.

- Ensure that the interval between a wall and the left (or right) of the unit is more than 100mm. The unit should be installed as high as possible on the wall, allowing a minimum of 200 mm from ceiling.

- Use a metal detector to locate studs to prevent unnecessary damage to the wall.

INSTALLATION

More Than

100

More Than

2 300

More Than

200

More Than

100

(Unit : mm)

INSTALLATION

ENGLISH

- The appliance shall be installed, operated and stored in a room with a floor area larger than the minimum area.

- Use the graph of table to determine the minimum area.

- m : Total refrigerant amount in the system

- Total refrigerant amount : factory refrigerant charge + additional refrigerant amount

- Amin : minimum area for installation

Minimum ﬂoor area

Floor location

m (kg) Amin (m

)

< 1.224

1.224

12.9

1.4 16.82

1.6 21.97

1.8 27.80 2 34.32

2.2 41.53

2.4 49.42

2.6 58.00

2.8 67.27 3 77.22

3.2 87.86

3.4 99.19

3.6 111.20

3.8 123.90 4 137.29

4.2 151.36

4.4 166.12

Floor location

m (kg) Amin (m

)

4.6 181.56

4.8 197.70 5 214.51

5.2 232.02

5.4 250.21

5.6 269.09

5.8 288.65 6 308.90

6.2 329.84

6.4 351.46

6.6 373.77

6.8 396.76 7 420.45

7.2 444.81

7.4 469.87

7.6 495.61

7.8 522.04

Wall mounted

m (kg) Amin (m

)

< 1.224

1.224

1.43

1.4 1.87

1.6 2.44

1.8 3.09 2 3.81

2.2 4.61

2.4 5.49

2.6 6.44

2.8 7.47 3 8.58

3.2 9.76

3.4 11.02

3.6 12.36

3.8 13.77 4 15.25

4.2 16.82

4.4 18.46

Wall mounted

m (kg) Amin (m

)

4.6 20.17

4.8 21.97 5 23.83

5.2 25.78

5.4 27.80

5.6 29.90

5.8 32.07 6 34.32

6.2 36.65

6.4 39.05

6.6 41.53

6.8 44.08 7 46.72

7.2 49.42

7.4 52.21

7.6 55.07

7.8 58.00

Ceiling Mounted

m (kg) Amin (m

)

< 1.224

1.224

0.956

1.4 1.25

1.6 1.63

1.8 2.07 2 2.55

2.2 3.09

2.4 3.68

2.6 4.31

2.8 5.00 3 5.74

3.2 6.54

3.4 7.38

3.6 8.27

3.8 9.22 4 10.21

4.2 11.26

4.4 12.36

Ceiling Mounted

m (kg) Amin (m

)

4.6 13.50

4.8 14.70 5 15.96

5.2 17.26

5.4 18.61

5.6 20.01

5.8 21.47 6 22.98

6.2 24.53

6.4 26.14

6.6 27.80

6.8 29.51 7 31.27

7.2 33.09

7.4 34.95

7.6 36.86

7.8 38.83

(for R32)

Amin (m2)

600

500

400

300

200

100

0 1.224 2 3 4 5 6 7 8

Floor standing

Wall mounted Ceiling mounted

m (kg)

INSTALLATION

ENGLISH

Fixing Installation Plate

The wall you select should be strong and solid enough to prevent vibration

1 Mount the installation plate on the wall

with type "A" screws. If mounting the unit on a concrete wall, use anchor bolts.

- Mount the installation plate horizontally by aligning the centerline using Horizontal meter.

2 Measure the wall and mark the centerline.

It is also important to use caution concerning the location of the installation plate. Routing of the wiring to power outlets is through the walls typically. Drilling the hole through the wall for piping connections must be done safely.

Drill a Hole in the Wall

- Drill the piping hole with a ø65mm hole core drill. Drill the piping hole at either the right or the left with the hole slightly slanted to the outdoor side.

Flaring Work

Main cause for gas leakage is due to defect of flaring work. Carry out correct flaring work in the following procedure.

Cut the pipes and the cable

1 Use the piping kit accessory or the pipes

purchased locally.

2 Measure the distance between the indoor

and the outdoor unit.

3 Cut the pipes a little longer than measured

distance.

4 Cut the cable 1.5 m longer than the pipe

length.

NOTE

• Use the deoxidised copper as piping materials to install.

Installation Plate

Type "A" Screws

Chassis

Hook

Installation Plate

Type "A" Screws

Chassis

Hook

Unit Outline

Ø65

Left rear piping

Unit Outline

Place a level on raised tab

C Type : 418 C Type : 418

Installation Plate

C Type

C Type : 134C Type : 98

Place a level on raised tab

C Type: 494 C Type: 504

Ø65

194152

(Unit : mm)

Right rear piping

WALL

Indoor

Outdoor

5-7 mm

(3/16"~5/16")

Copper

pipe

90°

Slanted Uneven Rough

Ø65

Left rear piping

C Type: 134

Measuring Tape

Hanger

Ø65

C Type: 150

(Unit : mm)

Right rear piping

INSTALLATION

ENGLISH

Burrs removal

1 Completely remove all burrs from the cut

cross section of pipe/tube.

2 While removing burrs put the end of the

copper tube/pipe in a downward direction while removing burrs location is also changed in order to avoid dropping burrs into the tubing.

Putting nut on

- Remove flare nuts attached to indoor and outdoor unit, then put them on pipe/tube having completed burr removal. (not possible to put them on after finishing flare work)

Flaring work

1 Firmly hold copper pipe in a bar with the

dimension shown in below table.

2 Carry out flaring work with the flaring tool.

Check

1 Compare the flared work with the figure

by.

2 If a flared section is defective, cut it off

and do flaring work again.

Connecting the Piping

1 Pull the cover at the bottom of the indoor

unit. Pull the cover ①→②.

2 Remove the cover from the indoor unit.

Pipe

Reamer

Point down

NOTE

• Temper grade of pipe: Annealed.

NOTE

• When flared joints are reused indoors, the flare part shall be re-fabricated.

Pipe diameter

Inch (mm)

A Inch (mm)

Thickness Inch (mm)

Wing nut type

Clutch type

Ø1/4 (Ø6.35)

0.04~0.05 (1.1~1.3)

0~0.02 (0~0.5)

0.03 (0.7)

Ø3/8 (Ø9.52)

0.06~0.07 (1.5~1.7)

0.03 (0.8)

Ø1/2 (Ø12.7)

0.06~0.07 (1.6~1.8)

0.03 (0.8)

Ø5/8 (Ø15.88)

0.06~0.07 (1.6~1.8)

0.04 (1.0)

Ø3/4 (Ø19.05)

0.07~0.08 (1.9~2.1)

0.04 (1.0)

Flare nut

Copper tube

Bar

Copper

"A"

pipe

Smooth all round

Even length

all round

Inside is shiny without scratches

Inclined

= Improper ﬂaring =

Surface

Cracked Uneven

damaged

thickness

INSTALLATION

ENGLISH

3 Pull back the tubing holder. 4 Remove pipe port cover and positioning

the tubing

* The feature can be changed according to

type of model.

1 Insert 4 hooks of the chassis cover into

gap of the chassis certainly.

2 Push the 6 point hook to assemble chassis

cover. Push the chassis cover ①→②.

Assembly of chassis cover

- Press on the tubing cover and unfold the tubing to downward slowly. And then bend to the left side slowly.

* The feature can be changed according to

type of model.

- Following bending case from right to left

directly may cause damage to the tubing.

* The feature can be changed according to

type of model.

Good case

Bad case

NOTE

To protect the chassis cover bended, assembly chassis cover correctly.

NOTE

Installation Information. For right piping. Follow the instruction above.

Indoor unit back side view

Right

Tubing holder

Left

Backwards

INSTALLATION

ENGLISH

Installation of Indoor Unit

1 Hook the indoor unit onto the upper

portion of the installation plate.( engage the three hooks at the top of the indoor unit with the upper edge of the installation plate) Ensure that the hooks are properly seated on the installation plate by moving it left and right

2 Unlock the tubing holder from the chassis

and mount between the chassis and installation plate in order to separate the bottom side of the indoor unit from the wall.

The feature can be changed according to the type of model.

Piping

1 Insert the connecting cable through the

bottom side of indoor unit and connect the cable (You can see detail contents in 'Connecting the cables' section)

1(L) 2(N) 3(C)

2 Secure the cable onto the control board

with the cable retainer.

3 Tape the tubing pipe, drain hose and the

connection cable. Be sure that the drain hose is located at the lowest side of the bundle. Locating at the upper side can cause overflow from the drain pan through the inside of the unit.

1(L) 2(N) 3(C)

Installation plate

Tubing Holder

Drain hose

Connecting cable

View

Connecting cable

Tape

Drain hose

Connecting pipe

Slide up the metal plate cover

Terminal block

Connecting cable

Cable retainer

Tape

Drain hose

Connecting pipe

View

Slide up the metal plate cover

Terminal block

Connecting cable

Cable retainer

INSTALLATION

ENGLISH

Connecting the installation pipe and drain hose to the indoor unit.

1 Align the center of the pipes and

sufficiently tighten the flare nut by hand

* When Indoor unit (6.6 kW) is connected to

the Multi Outdoor unit, use the connector.

2 Tighten the flare nut with a wrench

3 When needed to extend the drain hose of

indoor unit, assembly the drain pipe as shown on the drawing

Wrap the insulation material around the connecting portion.

1 Overlap the connection pipe insulation

material and the indoor unit pipe insulation material. Bind them together with vinyl tape so that there may be no gap.

2 Set the tubing cutting line upward.

Wrap the area which accommodates the rear piping housing section with vinyl tape.

3 For left rear piping, bundle the piping and

drain hose together by wrapping them cloth tape over the range within which they fit into the rear piping housing section.

* Wrap the piping of the indoor unit that are

visible from the outside with vinyl tape.

mm inch kgf.cm N.m Ø6.35 1/4 180~250 17.6~24.5 Ø9.52 3/8 340~420 33.3~41.2 Ø12.7 1/2 550~660 53.9~64.7

Ø15.88 5/8 630~820 61.7~80.4

Outside Diameter Torque

Vinyl tape(narrow)

Connection pipe

Connecting cable

Cloth tape

Wrap with cloth tape

Indoor unit pipe

Pipe

Gas Pipe

Liquid Pipe

Cutting Line

Good Case Bad Case

* Tubing cutting line have to be upward.

Indoor unit tubing Flare nut Pipes

Spanner (ﬁxed)

Flare nut

Torque wrench

Indoor unit tubing

Connection pipe

Insulation material

Drain pipe

Adhesive

Vinyl tape(narrow)

Indoor unit drain hose

Wrap with cloth tape

Pipe

Cloth tape

Drain hose

INSTALLATION

ENGLISH

Outdoor unit

1 Remove the tubing cover from the unit by

loosening the screw.

2 Align the center of the pipings and

sufficiently tighten the flare nut by hand.

* When Indoor unit(5.0/6.6 kW) is connected

to the Multi Outdoor unit, use the connector shown above.

3 Finally, tighten the flare nut with torque

wrench until the wrench clicks.

- When tightening the flare nut with torque wrench, ensure the direction for tightening follows the arrow on the wrench.

* The feature can be changed according a

type of model.

Gas side piping (Bigger diameter)

Liquid side piping (Smaller diameter)

Torque wrench

Outdoor unit

mm inch kgf.cm N.m Ø6.35 1/4 180~250 17.6~24.5 Ø9.52 3/8 340~420 33.3~41.2 Ø12.7 1/2 550~660 53.9~64.7

Ø15.88 5/8 630~820 61.7~80.4

Outside Diameter Torque

• 2.5/3.5/5.0 kW

• 6.6 kW

Connector

INSTALLATION

ENGLISH

Connecting the Cables

Indoor unit

Connect the cable to the indoor unit by connecting the wires to the terminals on the control board individually according to the outdoor unit connection. (Ensure that the color of the wires of the outdoor unit and the terminal No. are the same as those of the indoor unit.)

Insert the connecting cable through the bottom side of indoor unit and connect the cable.

(1) Open the Decor (2) Unscrew the screw of C/Box (3) Slide up the Metal Plate Cover (4) Connect the connecting cable (5) After complete connect the cables, should

assemble the Metal Plate Cover by screw.

* The feature can be changed according a

type of model.

1(L) 2(N) 3(C)

CAUTION

- The circuit diagram is a subject to change without notice.

- The earth wire should be longer than the common wires.

- When installing, refer to the circuit diagram on the chassis cover.

- Connect the wires firmly so that they may not be pulled out easily.

- Connect the wires according to color codes, referring to the wiring diagram.

Circuit

Breaker(A)

Grade

2.5/3.5 kW 5.0 kW 6.6 kW 15 20 25

- Connect the wires to the terminals on the control board individually.

- Secure the cable onto the control board with the cord clamp.

- Use a recognized circuit breaker between the power source and the unit. A disconnecting device to adequately disconnect all supply lines must be fitted.

NOTE

The power cord connected to unit should be selected according to the following national wiring regulations. The supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene sheathed flexible cord. (code designation 60245 IEC 57, H05RN-F)

CAUTION

The connecting cable connected to the indoor and outdoor unit should be complied with the following specifications (This equipment shall be provided with a cord set complying with the national regulation).

If the supply cord is damaged, it must be replaced by a special cord or assembly available from the manufacturer of its service agent.

NORMAL CROSS-SECTIONAL AREA 1.0mm

20mm

35±5mm

GN/YL

10±3mm

Decor

Power Power

Power

connecting cableconnecting cable

connecting cable

INSTALLATION

ENGLISH

CAUTION

According to the confirmation of the above conditions, prepare the wiring as follows.

1 Never fail to have an individual power

circuit specifically for the air conditioner. As for the method of wiring, be guided by the circuit diagram posted on the inside of control cover.

2 The screw which fasten the wiring in the

casing of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transportation. Check them and make sure that they are all tightly fastened. (If they are loose, it could cause burn-out of the wires.)

3 Specification of power source. 4 Confirm that electrical capacity is

sufficient.

5 See 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 Always install an earth leakage circuit

breaker in a wet or moist area.

8 The following would be caused by voltage

drop.

- Vibration of a magnetic switch, which will damage the contact point, fuse breaking, disturbance of the normal function of the overload.

9 The means for disconnection from a

power supply shall be incorporated in the fixed wiring and have an air gap contact separation of at least 3 mm in each active(phase) conductors.

10 Open the terminal cover block before

connecting the indoor side wire.

Use round pressure terminals for connections to the power terminal block.

NOTE

Provide the circuit breaker between power source and the unit as shown by

Outdoor Unit

• 2.5/3.5 kW

• 5.0 kW

• 6.6 kW

Outdoor Unit

Tubing Cover

Outdoor Unit

Tubing Cover

Outdoor Unit

Power cor d

Power connecting

Power cor d

Power connecting

1(L)2(N) 1(L) 2(N) 3(C)

Connecting cable

Cover control

3(C)1(L) 2(N)

cable

3(C)1(L) 2(N)

cable

Main power source

Air

Conditioner

Circuit breaker Use a circuit breaker or time delay fuse.

Round pressure

terminal

Power wire

Over

5mm

INSTALLATION

ENGLISH

1 Mount the tubing holder in the original

position.

2 Ensure that the hooks are properly seated

on the installation plate by moving it left and right.

3 Press the lower left and right sides of the

unit against the installation plate until the hooks engage into their slots (clicking sound).

4 Finish the assembly by screwing the unit

to the installation plate by using two pieces of type "C" screws. And assemble a chassis cover.

* The feature can be changed according to

type of model.

Finishing the indoor unit installation

CAUTION

The indoor unit can be dropped from the wall, the indoor unit is not screwed correct position on the install plate.

To avoid the gap between the indoor unit and wall , screw the indoor unit to the install plate correctly.

Checking the Drainage

1 Pour a glass of water on the evaporator. 2 Ensure the water flows through the drain

hose of the indoor unit without any leakage and goes out the drain exit.

* The feature can be changed according to

type of model.

1 The drain hose should point downward for

easy drain flow.

Drain piping

Downward slope

To check the drainage.

Connecting area

drain hose

Leakage

checking

Drain pan

Drain

hose Leakage checking

Type 'C' screw

INSTALLATION

ENGLISH

Forming the Piping

Form the piping by wrapping the connecting portion of the indoor unit with insulation material and secure it with two kinds of vinyl tapes.

- If you want to connect an additional drain hose, the end of the drain outlet should be routed above the ground. Secure the drain hose appropriately.

In cases where the outdoor unit is installed below the indoor unit perform the following.

1 Tape the piping, drain hose and connecting

cable from down to up.

2 Secure the tapped piping along the

exterior wall using saddle or equivalent.

* The feature can be changed according to

type of model.

In cases where the Outdoor unit is installed above the Indoor unit perform the following.

1 Tape the piping and connecting cable from

down to up.

2 Secure the taped piping along the exterior

wall. Form a trap to prevent water entering the room.

3 Fix the piping onto the wall using saddle or

equivalent.

2 Do not make drain piping like the

following.

* The feature can be changed according to

type of model.

Installing drain piping of the outdoor unit

Depending on installation site, it may be required to install drain plug for drainage (Supplied with the unit). In cold areas, do not use a drain hose with the outdoor unit. Otherwise, drain water may freeze, impairing the heating performance.

1 See the figure below for installation of the

drain plug.

A Drain nipple B Drain cap C Drain washer

Connect a field supplied vinyl hose to the drain nipple (A). If the hose is too long and hangs down, fix it carefully to prevent kinks.

* The feature can be changed according to

type of model.

Do not raise

Water leakage

Tip of drain hose dipped in water

Water leakage

Ditch

Less than 50mm gap

Accumulated drain water

Air

Waving

Water leakage

• 2.5/3.5/5.0 kW

Drain hose

Seal a small opening around the pipings with gum type sealant.

Saddle

Trap is required to prevent water from entering into electrical parts.

Pipe

Vinyl tape(narrow)

Wrap with vinyl tape(wide)

Connecting cable

Pipings

Taping

Drain hose

• 6.6 kW

INSTALLATION

ENGLISH

CAUTION

To avoid nitrogen entering the refrigerant system in a liquid state, the top of the cylinder must be higher than its bottom when you pressurize the system. Usually, the cylinder is used in a vertical standing position.

- Do a leak test of all joints of the tubing(both indoor and outdoor) and both gas and liquid side service valves. Bubbles indicate a leak. Be sure to wipe off the soap with a clean cloth.

- After the system is found to be free of leaks, relieve the nitrogen pressure by loosening the charge hose connector at the nitrogen cylinder. When the system pressure is reduced to normal, disconnect the hose from the cylinder.

WARNING

There is a risk of fire and explosion.

Inert gas (nitrogen) should be used when you check plumbing leaks, cleaning or repairs of pipes etc. If you are using combustible gases including oxygen, product may have the risk of fires and explosions.

NOTE

Be sure to use a manifold valve for air purging. If it is not available, use a stop valve for this purpose. The knob of the 3-way valve must always be kept close.

- Pressurize the system to maximum

17.6 kg/cm

G (R22 model) or 28.1 kg/cm2G (R410A model) with dry nitrogen gas and close the cylinder valve when the gauge reading reaches 17.6 kg/cm2G (R22 model) or 28.1 kg/cm2G (R410A model). Next step is leak test with liquid soap.

Air Purging

The air and moisture remaining in the refrigerant system have undesirable effects as indicated below.

1 Pressure in the system rises. 2 Operating current rises. 3 Cooling(or heating) efficiency drops. 4 Moisture in the refrigerant circuit may

freeze and block capillary tubing.

5 Water may lead to corrosion of parts in the

refrigeration system.

Therefore, after evacuating the system, take a leak test for the piping and tubing between the indoor and outdoor unit.

Air purging with vacuum pump

1 Preparation

- Check that each tube(both liquid and gas side tubes) between the indoor and outdoor units have been properly connected and all wiring for the test run has been completed. Remove the service valve caps from both the gas and the liquid side on the outdoor unit. Note that both the liquid and the gas side service valves on the outdoor unit are kept closed at this stage.

2 Leak test

- Connect the manifold valve(with pressure gauges) and dry nitrogen gas cylinder to this service port with charge hoses.

Seal a small opening around the pipings with gum type sealant.

Trap

Indoor unit

Outdoor unit

Manifold valve

Pressure gauge

Charge hose

Nitrogen gas cylinder(in vertical standing position)

INSTALLATION

ENGLISH

- Remove the caps from the 2-way and 3-way valves.

- Remove the service-port cap from the 3-way valve.

- Apply a soap water or a liquid neutral detergent on the indoor unit connection or outdoor unit connections by a soft brush to check for leakage of the connecting points of the piping.

- If bubbles come out, the pipes have leakage

Connect the charge hose end described in the preceding steps to the vacuum pump to evacuate the tubing and indoor unit. Confirm the "Lo" knob of the pressure Gauge is open. Then, run the vacuum pump. The operation time for evacuation varies with tubing length and capacity of the pump. The following table shows the time required for evacuation.

Soap water method

Evacuation

* The feature can be changed according

a type of model.

- When the desired vacuum is reached, close the knob of the 3-way valve and stop the vacuum pump.

- With a service valve wrench, turn the valve of liquid side counter-clockwise to fully open the valve

- Turn the valve of gas side counter-clockwise to fully open the valve

- Loosen the charge hose connected to the gas side service port slightly to release the pressure, then remove the hose.

- Replace the flare nut and its bonnet on the gas side service port and fasten the flare nut securely with an adjustable wrench. This process is very important to prevent leakage from the system

- Replace the valve caps at both gas and liquid side service valves and fasten them tight. This completes air purging with a vacuum pump.

- Replace the pipe cover to the outdoor unit by one screw. Now the air conditioner is ready for test run.

Finishing the Job

Required time for evacuation when 30 gal/h

vacuum pump is used

If tubing length is

less than 10 m

(33 ft)

If tubing length is

longer than 10 m

(33 ft)

10 min. or more 15 min. or more

NOTE

for R32 Only

• Electronic leak detectors shall be used to detect flammable refrigerants, but the sensitivity may not be adequate, or may need re-calibration. (Detection equipment shall be calibrated in a refrigerant-free area.)

• Leak detection equipment shall be set at a percentage of the LFL (Lower flammable limit) of the refrigerant and shall be calibrated to the refrigerant employed and the appropriate percentage of gas (25 % maximum) is confirmed.

• Leak detection fluids are suitable for use with most refrigerants but the use of detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and corrode the copper pipe-work.

• If a leak is suspected, all naked flames shall be removed/extinguished.

• If a leakage of refrigerant is found which requires brazing, all of the refrigerant shall be recovered from the system, or isolated (by means of shut off valves) in a part of the system remote from the leak.

• Oxygen free nitrogen (OFN) shall be purged through the system both before and during the brazing process.

Outdoor unit

Gas side

3-way valve

3-way or

2-way valve

Liquid side

Cap

INSTALLATION

ENGLISH

Outdoor unit

* The feature can be changed according

a type of model.

Fix the outdoor unit with a bolt and nut (ø10 mm) tightly and horizontally on a concrete or rigid mount.

2 When installing on the wall, roof or

rooftop, anchor the mounting base securely with a nail or wire assuming the influence of wind and earthquake.

3 If the vibration of the unit is transmitted to

the pipe, secure the unit with an antivibration rubber.

Settlement of outdoor unit

Operate the unit for 15~20 minutes, then check the system refrigerant charge:

1 Measure the pressure of the gas side

service valve.

2 Measure the air temperature from inlet and

outlet of air conditioner.

3 Ensure the difference between the inlet

and outlet temperature is more than 8 °C.

4 For reference; the gas side pressure at

optimum condition is shown on table (cooling)

The air conditioner is now ready to use.

* The feature can be changed according

a type of model.

for R410A

for R32

Evaluation of the performance

Outdoor

Temperature

Pressure of Service

Valve (Gas)

35 °C (95 °F)

8.5~9.5 kgf/cm2G (120~135 psi)

Outdoor

Temperature

Pressure of Service

Valve (Gas)

20 °C (68 °F) ~

35 °C (95 °F)

8.4~9.5 kgf/cm2G (120~135 psi)

35 °C (95 °F) ~

40 °C (104 °F)

9.5~10.5 kgf/cm2G (135~150 psi)

40 °C (104 °F) ~

45 °C (113 °F)

10.5~11.6 kgf/cm2G (150~165 psi)

45 °C (113 °F) ~

48 °C (118 °F)

11.6~12.3 kgf/cm2G (165~175 psi)

Manifold valve

Pressure gauge

Open Close

Vacuum pump

Bolt

Tubing connection

Inlet temperature

Discharge air

Discharge temperature

INSTALLATION

ENGLISH

Test Running

- Check that all tubing and wiring are properly connected.

- Check that the gas and liquid side service valves are fully open.

1 Remove the battery cover by pulling it

according to the arrow direction.

2 Insert new batteries making sure that the

(+) and (–) of battery are installed correctly.

3 Reattach the cover by pushing it back into

position.

- If you press and hold the On/Off button for 3 – 5 seconds instead of 6 seconds, the unit will switch to the test operation.

- In the test operation, the unit blows out strong air for cooling for 18 minutes and then returns to the factory default settings.

This is performed when the unit is relocated or the refrigerant circuit is serviced.

Pump Down means collecting all refrigerant into the outdoor unit without the loss of refrigerant.

Test operation

Prepare remote controller

NOTE

• Use 2 AAA(1.5 V) batteries. Do not use rechargeable batteries.

• Remove the batteries from the remote controller if the system is not used for a long time

Pump Down

NOTE

If the actual pressure is higher than shown, the system is most likely over-charged, and charge should be removed. If the actual pressure are lower than shown, the system is most likely undercharged, and charge should be added.

WARNING

It may cause explosion or injury. After pump down, power must be turned

off before removing the pipe. When operating this product without connecting the pipe, there will be high pressure insidce the compressor due to the entry of air, possibly causing explosion or injury.

NOTE

Be sure to perform Pump Down procedure in the cooling mode.

INSTALLATION

ENGLISH

- Connect a low-pressure gauge manifold hose to the charge port on the gas side service valve.

- Open the gas side service valve halfway and purge the air in the manifold hose using the refrigerant.

- Close the liquid side service valve(all the way).

- Turn on the unit's operating switch and start the cooling operation.

- When the low-pressure gauge reading becomes 1 to 0.5 kg/cm

G(14.2 to 7.1 P.S.I.G.), fully close the gas side valve and then quickly turn off the unit. Now Pump Down procedure is completed, and all refrigerant is collected into the outdoor unit.

Heating Only Mode

Heating Only Mode switching function setup

1 Supply the power to the unit with no

functions active.

2 Enter the Installer Code and set the code

to 47.

3 Press to select the code No.47 then,

check if buzzer beeps.

4 Cut the power to the unit. 5 Turn back on the power to the unit after 30

seconds.

Heating Only Mode switching function disable setup

1 Supply the power to the unit with no

functions active.

2 Enter the Installer Code and set the code

to 48.

3 Press to select the code No.48 then,

check if buzzer beeps.

4 Cut the power to the unit. 5 Turn back on the power to the unit after 30

seconds.

* How to enter the installer mode

Press Reset Button and ‘A’ Button ( )

* How to set the code

Set the code you want by pressing TEMP

button (

_) and press .

10 digit

1 digit

Pump Down Procedure

Press

SETUP

INSTALLATION

ENGLISH

SMART DIAGNOSIS

Diagnosis of operating information

1 Enter the Installer Code and set the code

to 57.

2 Click the “Receive” button on the main

screen of LG AC Smart Diagnosis App on your smart phone.

3 Press and hold your smart phone close

to the indoor unit.

4 Receive the buzzer beeps from indoor unit

with your smart phone.

5 The diagnosis of operating information will

be displayed on the screen of your smart phone.

Diagnosis of error information

1 Enter the Installer Code and set the code

to 58.

2 Click the “Receive” button on the main

screen of LG AC Smart Diagnosis App on your smart phone.

3 Press and hold your smart phone close

to the indoor unit.

4 Receive the buzzer beeps from indoor unit

with your smart phone.

5 The diagnosis of operating information will

be displayed on the screen of your smart phone.

* How to set the code

Set the code you want by pressing TEMP

button (

_) and press .

10 digit

1 digit

NOTE

- Once the function is set up, Cooling, Dehumidification Auto Change over cannot be used.

- Once the function is disable it will return to its normal state.

- Code cannot be entered when it is in operation mode. It must be OFF state to enter code.

- Even if able to enter code in ON state, it won’t function if the code is not entered in OFF state.

- At Heating Only Mode, if the product gets turned off while the wireless remote control is set at other than heating / blowing, the product will not get turned back on. Turn off the product after the wireless remote control is set at heating / blowing and then turn back on.

NOTE

- Be sure to keep ambient noise to a minimum or the smart phone may not correctly receive the buzzer beeps from the indoor unit.

- Initialization of diagnosis data may take approximately 1 minute after supplying the AC power .

- The code No. 57 is used for confirming the diagnosis data which is updated on while the indoor unit is operating

- The code No. 58 is used for confirming the diagnosis data which is the occurred time of Error Code.

* How to enter the installer mode

Press Reset Button and ‘A’ Button ( )

Press

SETUP

+ 311 hidden pages