LG MU4R27 Manual de utilizare

INSTALLATION MANUAL

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.

[

Representative

]

LG Electronics Inc. EU Representative : LG Electronics European Shared Service Center B.V.

Krijgsman 1, 1186 DM Amstelveen, The Netherlands

[

Manufacturer

]

MULTI

Original instruction

No.09,Jinwei Road,Beichen District,Tianjin,China.

LG Electronics Tianjin Appliances co.,Ltd.

РУССКИЙ ЯЗЫК

УКРАÏНСЬКА

ҚАЗАҚ ТІЛІ

БЕЛАРУСКАЯ МОВА

O‘ZBEK TILI

ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

2IMPORTANT SAFETY INSTRUCTIONS

ENGLISH

READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.

Always comply with the following precautions to avoid danger-

ous 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 direc-

tions are ignored

WARNING

• Installation or repairs made by unqualified persons can result in

hazards to you and others.

•

Installation work must be performed in accordance with the Na-

tional Electric Code by qualified and authorized personnel only.

• 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 man-

ual can result in equipment malfunction, property damage, per-

sonal injury and/or death.

• Compliance with national gas regulations shall be observed.

Installation

•

Do not use a defective or underrated circuit breaker. Use the cor-

rectly rated breaker and fuse. 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 re-

pair the product by yourself. There is risk of fire or electric shock.

!

Read the precautions in this

manual carefully before operat-

ing 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.

IMPORTANT SAFETY INSTRUCTIONS

IMPORTANT SAFETY INSTRUCTIONS 3

ENGLISH

• Always ground the product as per the wiring diagram. Do not

connect the ground wire to gas or water pipes lightening rod or

telephone ground wire. There is risk of fire or electric shock.

• Install the panel and the cover of control box securely. There is

risk of fire or electric shock due to dust, water etc.

• Use the correctly rated breaker or fuse. There is risk of fire or

electric shock.

• Do not modify or extend the power cable. If the power cable or

cord has scratches or skin peeled off or deteriorated then it

must be replaced. There is risk of fire or electric shock.

• For installation, removal or reinstall, 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. Be

sure that the installation area does not deteriorate with age. It

may cause product to fall.

• Never install the outdoor unit on a moving base or a place from

where it can fall down. The falling outdoor unit can cause dam-

age or injury or even death of a person.

• In outdoor unit the step-up capacitor supplies high voltage

electricity to the electrical components. Be sure to discharge

the capacitor completely before conducting the repair work.

An charged capacitor can cause electrical shock.

•

When installing the unit, use the installation kit provided with the

product. Otherwise the unit may fall and cause severe injury.

• Indoor/outdoor wiring connections must be secured tightly and

the cable should be routed properly so that there is no force

pulling the cable from the connection terminals. Improper or

loose connections can cause heat generation or fire.

• Safely dispose off the packing materials. Like screws, nails,

batteries, broken things etc after installation or svc and then

tear away and throw away the plastic packaging bags. Children

may play with them and cause injury.

• Be sure to check the refrigerant to be used. Please read the

label on the product. Incorrect refrigerant used can prevent the

normal operation of the unit.

•

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.

4IMPORTANT SAFETY INSTRUCTIONS

ENGLISH

•

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.

• The appliance shall be stored in a room without continuously

operating ignition sources (for example: open flames, an oper-

ating gas appliance or an operating electric heater)

• 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.

• Flexible refrigerant connectors (such as connecting lines be-

tween the indoor and outdoor unit) that may be displaced dur-

ing normal operations shall be protected against mechanical

damage.

• A brazed, welded, or mechanical connection shall be made be-

fore opening the valves to permit refrigerant to flow between

the refrigerating system parts.

• Mechanical connections shall be accessible for maintenance

purposes.

Operation

• When the product is soaked (flooded or submerged) in water ,

contact an Authorized Service Center for repair before using it

again. There is risk of fire or electric shock.

• Be sure to use only those parts which are listed in the svc

parts list. Never attempt to modify the equipment. The use of

inappropriate parts can cause an electrical shock, excessive

heat generation or fire.

• Do not touch , operate, or repair the product with wet hands.

Hold the plug by hand when taking out. There is risk of electric

shock or fire.

• Do not place a heater or other heating appliances near the

power cable. There is risk of fire and electric shock.

IMPORTANT SAFETY INSTRUCTIONS 5

ENGLISH

• Do not allow water to run into electric parts. Install the unit

away from water sources. There is risk of fire, failure of the

product, or electric shock.

• Do not store or use or even allow flammable gas or com-

bustibles near the product. There is risk of fire.

• Do not use the product in a tightly closed space for a long

time. Perform ventilation regularly. Oxygen deficiency could

occur and hence harm your health.

•

Do not open the front grille of the product during operation. (Do

not touch the electrostatic filter, if the unit is so equipped.)

There is risk of physical injury, electric shock, or product failure.

• If strange sound, smell or smoke comes from product.Immedi-

ately turn the breaker off or disconnect the power supply

cable. There is risk of electric shock or fire.

• Ventilate the product room from time to time when operating it

together with a stove, or heating element etc. Oxygen defi-

ciency can occur and hence harm your health.

• When the product is not to be used for a long time, disconnect

the power supply plug or turn off the breaker. There is risk of

product damage or failure, or unintended operation.

• Take care to ensure that nobody especially kids could step on

or fall onto the outdoor unit. This could result in personal injury

and product damage.

• Take care to ensure that power cable could not be pulled out

or damaged during operation. There is risk of fire or electric

shock.

• Do not place anything on the power cable. There is risk of fire

or electric shock.

• When flammable gas leaks, turn off the gas and open a win-

dow for ventilation before turning on the product. Do not use

the telephone or turn switches on or off. There is risk of explo-

sion or fire.

• Make sure to ventilate sufficiently when this air conditioner

and a heating appliance such as a heater are used simultane-

ously. Failure to do so may result in fire, serious injury, or prod-

uct failure.

• Periodic ( more than once/year ) cleaning of the dust or salt

particles stuck on the heat exchanger by using water.

6IMPORTANT SAFETY INSTRUCTIONS

ENGLISH

• Dismantling the unit, treatment of the refrigerant oil and even-

tual parts should be done in accordance with local and national

standards.

CAUTION

Installation

• Two or more people must 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.

• Install the drain hose to ensure that the condensed water is

drained away properly. A bad connection may cause water

leakage.

• Keep level even when installing the product. To avoid vibration

or noise.

• Do not install the product where the noise or hot air from the

outdoor unit could damage or disturb the neighborhoods. It

may cause a problem for your neighbors and hence dispute.

• Always check for gas (refrigerant) leakage after installation or

repair of product. Low refrigerant levels may cause failure of

product.

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

refrigerant circuit should hold a current valid certificate from an

industry-accredited assessment authority, which authorizes

their competence to handle refrigerants safely in accordance

with an industry recognized assessment specification.

• Wear adequate personal protection equipment (PPE) when in-

stalling, maintaining or servicing the product.

Operation

• Do not use the product for special purposes, such as preserv-

ing foods, works of art, etc. It is a consumer air conditioner,

not a precision refrigeration system. There is risk of damage or

loss of property.

• Do not block the inlet or outlet of air flow. It may cause prod-

uct failure.

!

IMPORTANT SAFETY INSTRUCTIONS 7

ENGLISH

• Use a soft cloth to clean. Do not use harsh detergents, sol-

vents or splashing water etc. There is risk of fire, electric

shock, or damage to the plastic parts of the product.

• Do not touch the metal parts of the product when removing

the air filter. There is risk of personal injury.

• Do not step on or put anything on the product. (outdoor units)

There is risk of personal injury and failure of product.

• Always insert the filter securely after cleaning. Clean the filter

every two weeks or more often if necessary. A dirty filter re-

duces the efficiency.

• Do not insert hands or other objects through the air inlet or

outlet while the product is operating. There are sharp and mov-

ing parts that could cause personal injury.

• Be cautious when unpacking and installing the product. Sharp

edges could cause injury.

• If the refrigerant gas leaks during the repair, do not touch the

leaking refrigerant gas. The refrigerant gas can cause frostbite

(cold burn).

• Do not tilt the unit when removing or uninstalling it. The con-

densed water inside can spill.

•

Do not mix air or gas other than the specified refrigerant used in

the system. If air enters the refrigerant system, an excessively

high pressure results, causing equipment damage or injury.

• If the refrigerant gas leaks during the installation, ventilate the

area immediately. Otherwise it can be harmful for your health.

• Dismantling the unit, treatment of the refrigerant oil and even-

tual parts should be done in accordance with local and national

standards.

• Replace the all batteries in the remote control with new ones

of the same type. Do not mix old and new batteries or differ-

ent types of batteries. There is risk of fire or product failure.

• Do not recharge or disassemble the batteries. Do not dispose

off batteries in a fire. They may burn or explode.

• If the liquid from the batteries gets onto your skin or clothes,

wash it well with clean water. Do not use the remote if the

batteries have leaked. The chemicals in batteries could cause

burns or other health hazards.

8IMPORTANT SAFETY INSTRUCTIONS

ENGLISH

• If you swallow the battery fluid from a leak, wash out the in-

side of your mouth thoroughly and then consult a doctor. Fail-

ure to do so may result in serious health complications.

• Do not let the air conditioner run for a long time when the hu-

midity is very high and a door or a window is left open. Mois-

ture may condense and wet or damage furniture.

• Do not expose your skin or kids or plants to the cool or hot air

draft. This could harm to your health.

• Do not drink the water drained from the product. It is not sani-

tary and could cause serious health issues.

•

Use a firm stool or ladder when cleaning, maintaining or repairing

the product at an height. Be careful and avoid personal injury.

• 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 flamma-

ble refrigerants.

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

• When mechanical connectors are reused indoors, sealing parts

shall be renewed.

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

fabricated.

•

This appliance is not intended for use by persons (including chil-

dren) with reduced physical, sensory or mental capabilities, or

lack of experience and knowledge, unless they have been given

supervision or instruction concerning use of the appliance by a

person responsible for their safety. Children should be super-

vised to ensure that they do not play with the appliance.

• This appliance can be used by children aged from 8 years and

above and persons with reduced physical, sensory or mental

capabilities or lack of experience and knowledge if they have

been given supervision or instruction concerning use of the ap-

pliance in a safe way and Understand the hazards involved.

Children shall not play with the appliance. Cleaning and user

maintenance shall not be made by children without supervision

TABLE OF CONTENTS 9

ENGLISH

2IMPORTANT SAFETY

INSTRUCTIONS

10 INSTALLATION

11 INSTALLATION OF OUT-

DOOR UNIT

11 Select the best location

13 Piping length and elevation

13 Refrigerant charge

14 FLARING WORK AND

CONNECTION OF PIPING

14 Preparation of Piping

15 Connection of piping - Outdoor

16 CONNECTING THE CABLE

BETWEEN INDOOR UNIT

AND OUTDOOR UNIT

16 Connect the cable to the Indoor unit

17 Connect the cable to the Outdoor unit

19 FORMING THE PIPING

20 AIR PURGING AND EVAC-

UATION

20 Checking method

21 Evacuation

22 INSTALLATION PI485

23 TEST RUNNING

24 FUNCTION

24 DIP S/W Setting

26 Forced Cooling Operation

26 Wiring Error Check

27 Saving Power Consumption

28 Night Quiet Mode

29 Mode Lock

30 MAX COMBINATION

CAPACITY

31 INSTALLATION GUIDE AT

THE SEASIDE

31 SEASONAL WIND AND

CAUTIONS IN WINTER

32 Model Designation

32 Airborne Noise Emission

TABLE OF CONTENTS

10 INSTALLATION

ENGLISH

Clearance of side discharge unit [Unit : mm(inch)]

Do not install the product where sufficient ventilation is not secured.

The performance may be decreased or the product may not be operated.

CIn case of series or another installation, please refer to related PDB.

300(11-13/16)

or more

300(11-13/16)

0

1 (39-3/8) or more

600(23-19/32)

or more

500(19-11/16) or less

or more

L

D

Her

om r

o

)

8

/3-

9

3(

0

1

1000(39-3/8)

or more

500(19-11/16) or less

300(11-13/16)

or more

600(23-19/32) or more

1000(39-3/8) or more

2000(78-3/4) or more

300(11-13/16)

or more

INSTALLATION

Installation plate

Type "B" screws

Type "A" screw (6 EA) Type "A" screw (8 EA) Type "A" screw (7 EA)

Holder Remote Control

Type "A" screw and plastic anchors

more than

30cm more than

30cm

Installation Parts

INSTALLATION OF OUTDOOR UNIT 11

ENGLISH

Read completely, then follow step by step.

You need to select adequate installation location

considering the following conditions, and make

sure to acquire the consent of the user.

Select the best location

1

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.

2Ensure that the spaces indicated by arrows

around front, back and side of the unit.

3Do not place animals and plants in the path of

the warm air.

4Take the air conditioner weight into account

and select a place where noise and vibration

are minimum.

5Select a place so that the warm air and noise

from the air conditioner do not disturb neigh-

bors.

6Place that can sufficiently endure the weight

and vibration of the outdoor unit and where

even installation is possible.

7Place that has no direct influence of snow or

rain.

8

Place with no danger of snowfall or icicle drop.

9Place without weak floor or base such as

decrepit part of the building or with a lot of

snow accumulation.

10 Sufficient ventilation is secured.

If the outdoor unit is installed on a roof structure,

be sure to level the unit. Ensure the roof struc-

ture and anchoring method are adequate for the

unit location. Consult local codes regarding

rooftop mounting.

more than

70cm

more than

30cm more than

30cm

more than

60cm

more than 60cm

more than

70cm

more than

30cm

more than 60cm

more than

30cm

more than

60cm

INSTALLATION OF OUTDOOR UNIT

Outdoor unit

Rooftop Installations

12 INSTALLATION OF OUTDOOR UNIT

ENGLISH

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

mum area.

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

Minimum ﬂoor area (IEC 60335-2-40:2013+A1:2016 Edition 5.1)

0

100

200

300

400

500

600

Amin (m2)

m (kg)

0 1.224 2 3 4 5 6 7 8

Floor standing

Wall mounted

Ceiling mounted

- m : Total refrigerant amount in the system

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

- Amin : minimum area for installation

Floor standing

m (kg) Amin (m2)

< 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 standing

m (kg) Amin (m2)

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 (m2)

< 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 (m2)

4.6 20.17

4.8 21.97

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 (m2)

< 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 (m2)

4.6 13.50

4.8 14.70

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

INSTALLATION OF OUTDOOR UNIT 13

ENGLISH

Amin (m2)

m (kg)

0

500

1000

1500

2000

2500

0 2 4 6 8 10 12 14 16

Floor standing

Wall mounted

Ceiling mounted

-

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

mum area.

-

Use the graph of table to determine the minimum area.

-

Console model(For EU market) should be installed only in accordance with IEC 60335-2-40:2018

Edition 6.0.

-

m : Total refrigerant amount in the system

-

Total refrigerant amount : factory refrigerant charge + additional refrigerant amount

-

Amin : minimum area for installation

Minimum ﬂoor area (IEC 60335-2-40:2018 Edition 6.0)

Floor standing

m (kg) Amin (m

2

)

< 1.842 -

1.842 28.88

2.00 34.04

2.20 41.19

2.40 49.02

2.60 57.53

2.80 66.72

3.00 76.60

3.20 87.15

3.40 98.39

3.60 110.30

3.80 122.90

4.00 136.17

4.20 150.13

4.40 164.77

4.60 180.09

4.80 196.09

5.00 212.77

5.20 230.13

5.40 248.18

5.60 266.90

5.80 286.30

6.00 306.39

6.20 327.16

6.40 348.60

6.60 370.73

6.80 393.54

7.00 417.03

7.20 441.20

7.40 466.05

7.60 491.59

7.80 517.80

8.00 544.69

8.20 572.27

8.40 600.52

8.60 629.46

8.80 659.08

Floor standing

m (kg) Amin (m

2

)

9.00 689.38

9.20 720.36

9.40 752.02

9.60 784.36

9.80 817.38

10.00 851.08

10.20 885.47

10.40 920.53

10.60 956.28

10.80 992.70

11.00 1029.81

11.20 1067.60

11.40 1106.07

11.60 1145.22

11.80 1185.05

12.00 1225.56

12.20 1266.75

12.40 1308.62

12.60 1351.18

12.80 1394.41

13.00 1438.33

13.20 1482.93

13.40 1528.20

13.60 1574.16

13.80 1620.80

14.00 1668.12

14.20 1716.12

14.40 1764.80

14.60 1814.17

14.80 1864.21

15.00 1914.94

15.20 1966.34

15.40 2018.43

15.60 2071.19

15.80 2124.64

15.964 2168.98

Wall mounted

m (kg) Amin (m

2

)

< 1.842 -

1.842 4.44

2.00 4.83

2.20 5.31

2.40 5.79

2.60 6.39

2.80 7.41

3.00 8.51

3.20 9.68

3.40 10.93

3.60 12.26

3.80 13.66

4.00 15.13

4.20 16.68

4.40 18.31

4.60 20.01

4.80 21.79

5.00 23.64

5.20 25.57

5.40 27.58

5.60 29.66

5.80 31.81

6.00 34.04

6.20 36.35

6.40 38.73

6.60 41.19

6.80 43.73

7.00 46.34

7.20 49.02

7.40 51.78

7.60 54.62

7.80 57.53

8.00 60.52

8.20 63.59

8.40 66.72

8.60 69.94

8.80 73.23

Wall mounted

m (kg) Amin (m

2

)

9.00 76.60

9.20 80.04

9.40 83.56

9.60 87.15

9.80 90.82

10.00 94.56

10.20 98.39

10.40 102.28

10.60 106.25

10.80 110.30

11.00 114.42

11.20 118.62

11.40 122.90

11.60 127.25

11.80 131.67

12.00 136.17

12.20 140.75

12.40 145.40

12.60 150.13

12.80 154.93

13.00 159.81

13.20 164.77

13.40 169.80

13.60 174.91

13.80 180.09

14.00 185.35

14.20 190.68

14.40 196.09

14.60 201.57

14.80 207.13

15.00 212.77

15.20 218.48

15.40 224.27

15.60 230.13

15.80 236.07

15.964 241.00

Ceiling Mounted

m (kg) Amin (m

2

)

< 1.842 -

1.842 3.64

2.00 3.95

2.20 4.34

2.40 4.74

2.60 5.13

2.80 5.53

3.00 5.92

3.20 6.48

3.40 7.32

3.60 8.20

3.80 9.14

4.00 10.13

4.20 11.17

4.40 12.26

4.60 13.40

4.80 14.59

5.00 15.83

5.20 17.12

5.40 18.46

5.60 19.85

5.80 21.30

6.00 22.79

6.20 24.33

6.40 25.93

6.60 27.58

6.80 29.27

7.00 31.02

7.20 32.82

7.40 34.67

7.60 36.56

7.80 38.51

8.00 40.51

8.20 42.57

8.40 44.67

8.60 46.82

8.80 49.02

Ceiling Mounted

m (kg) Amin (m

2

)

9.00 51.28

9.20 53.58

9.40 55.94

9.60 58.34

9.80 60.80

10.00 63.30

10.20 65.86

10.40 68.47

10.60 71.13

10.80 73.84

11.00 76.60

11.20 79.41

11.40 82.27

11.60 85.18

11.80 88.14

12.00 91.16

12.20 94.22

12.40 97.34

12.60 100.50

12.80 103.72

13.00 106.98

13.20 110.30

13.40 113.67

13.60 117.09

13.80 120.56

14.00 124.08

14.20 127.65

14.40 131.27

14.60 134.94

14.80 138.66

15.00 142.43

15.20 146.26

15.40 150.13

15.60 154.06

15.80 158.03

15.964 161.33

INSTALLATION OF OUTDOOR UNIT

14

1Ø

h2

h1

A

B

Multiple Piping Type

CAUTION

!

Refrigerant charge

1Ø

Piping length and elevation

ENGLISH

15

FLARING WORK AND CONNECTION OF PIPING

Preparation of Piping

Copper

tube 90° Slanted Uneven Rough

Pipe

Reamer

Point down

Flare nut

Copper tube

FLARING WORK AND CONNECTION OF PIPING

Bar

Copper pipe

"A"

ØØ

ENGLISH

FLARING WORK AND CONNECTION OF PIPING

16

Ø6.35 1/4 16±2

Ø9.52 3/8 38±4

Ø12.7 1/2 55±6

Ø15.88 5/8 75±7

Ø19.05 3/4 110±10

Connection of piping - Outdoor

Inclined

Inside is shining without scratches.

Smooth all round

Even length

all round

Surface

damaged Cracked Uneven

thickness

= Improper ﬂaring =

Ø12.7(1/2 inch) Connector

Ou

tdoor unit

Main gas

side valve

Main liquid

side valve Gas side piping

ROOM A

ROOM B

ROOM C

ROOM D

ROOM E

Liquid

side piping

ENGLISH

17

CONNECTING THE CABLE BETWEEN INDOOR UNIT AND OUTDOOR UNIT

ENGLISH

Connect the cable to the Indoor unit

CAUTION

!

CONNECTING THE CABLE BETWEEN INDOOR

UNIT AND OUTDOOR UNIT

CAUTION

!

GN/YL 20mm

NORMAL

CROSS-SECTIONAL

AREA 0.75mm

2

H07RN-F

ø7.5mm

GN/YL 20mm

1Ø

CAUTION

!

Air

Conditioner

Main power source

Circuit Breaker

Use a circuit breaker

or time delay fuse.

ENGLISH

CONNECTING THE CABLE BETWEEN INDOOR UNIT AND OUTDOOR UNIT

18

ENGLISH

CAUTION

!

Power cord

Connecting cable

Cover control

Terminal block

Outdoor unit

Over 15mm

Holder for

power supply

cord

Terminal block

Loosen terminal screw

Ø

Connect the cable to the Outdoor unit

ENGLISH

19

CONNECTING THE CABLE BETWEEN INDOOR UNIT AND OUTDOOR UNIT

ENGLISH

Round pressure terminal Power wire

Connect same thickness

wiring to both sides.

It is forbidden to connect

two to one side.

It is forbidden to

connect wiring of

different thicknesses.

Precautions when laying power wiring

ENGLISH

FORMING THE PIPING

20

ENGLISH

• Trap is required to prevent water from entering

into electrical parts.

Plastic

band

Taping

Drain hose

Pipings

Connecting

cable

Power supply

cord

Seal a small opening

around the pipings

with gum type

sealer.

Seal a small opening

around the pipings

with gum type sealant.

Trap

FORMING THE PIPING

ENGLISH

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LG MU4R27 Manual de utilizare

LG MU4R27 Manual de utilizare

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