LG CT24R INSTALLATION INSTRUCTIONS

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.

CEILING CASSETTE Original instruction

[Representative]

LG Electronics Inc. EU Representative :

LG Electronics European Shared Service Center B.V.

Krijgsman 1, 1186 DM Amstelveen, The Netherlands

[Manufacturer]

LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro,

Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA

www.lg.com

MFL67855536

Rev.02_040319

Copyright © 2016 - 2019 LG Electronics Inc. All Rights Reserved.

<![if ! IE]> <![endif]>ЯЗЫК РУССКИЙ	<![if ! IE]> <![endif]>ENGLISH
<![if ! IE]> <![endif]>УКРАÏНСЬКА	<![if ! IE]> <![endif]>ITALIANO
<![if ! IE]> <![endif]>ТІЛІ ҚАЗАҚ	<![if ! IE]> <![endif]>ESPAÑOL
<![if ! IE]> <![endif]>МОВА БЕЛАРУСКАЯ	<![if ! IE]> <![endif]>FRANÇAIS
<![if ! IE]> <![endif]>TILI ZBEKO ʻ	<![if ! IE]> <![endif]>DEUTSCH
	<![if ! IE]> <![endif]>ΕΛΛΗΝΙΚΆ
	<![if ! IE]> <![endif]>ČEŠTINA
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	<![if ! IE]> <![endif]>ROMÂNĂ LIMBA

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2 MODEL DESIGNATION

MODEL DESIGNATION

Product information

-Product Name : Air conditioner

-Model Name :

M S 15 SQ N B 0

Serial number

Chassis name

Indoor Unit / Outdoor Units

N : Indoor Unit

U : Outdoor Unit

Detailed product type only for M- series models

AQ : Wall mounted Libero-R SQ : Wall mounted Libero-E AH* : ARTCOOL

AW* : ART COOL Mirror AH : Ceiling Cassette

AHL : Ceiling Concealed Duct (Low Static)

R : Refrigerant R32/R410A PC : Standard plus (S)

Detailed product type for

U- / C- series models

L : Low Static

H : High COP

C : Econo

R : Refrigerant R32 / R410A

Airborne Noise Emission

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.

Nominal Capacity

Ex) 7 000 Btu/h Class → '07',

18 000 Btu/h Class → '18'

Product type

S : Wall mounted /

ARTCOOL mirror

J : Wall mounted

A : ARTCOOL

T : Ceiling Cassette

B, M : Ceiling Concealed Duct

V : Ceiling Suspended & floor

Q : Console

P : Floor Standing

Connectable Outdoor unit type

M : Indoor units only for

Multi systems

U : Indoor units only for

Single A systems

C : Common Indoor Unit for

Multi and Single CAC

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

-Max allowable pressure High side :

4.2MPa / 4.32 MPa (it can be different by model)

-Max allowable pressure Low side :

2.4MPa

-Refrigerant : R32 / R410A

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

Limiting concentration

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

Limiting concentration: 0.44 kg/m3(R410A)

ν Calculate refrigerant concentration

	Refrigerant	Total amount of replenished
		refrigerant in refrigerant facility (kg)
	concentration =
		Capacity of smallest room where
	(kg/m3)
		indoor unit is installed (m3)

TIPS FOR SAVING ENERGY	3

TIPS FOR SAVING ENERGY

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:

•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.

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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 :

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4	IMPORTANT SAFETY INSTRUCTIONS

IMPORTANT SAFETY INSTRUCTIONS

The following symbols are displayed on indoor and outdoor units.

			Read the precautions in this manual				This appliance is filled with
			carefully before operating the unit.				flammable refrigerant (R32)
			This symbol indicates that the				This symbol indicates that a service
							personnel should be handling this
			Operation Manual should be read
							equipment with reference to the
			carefully.
							Installation Manual.

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.

•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.

•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.

	IMPORTANT SAFETY INSTRUCTIONS		5
service panel to the outdoor unit.			<![if ! IE]> <![endif]>ENGLISH

• Securely attach the electrical part cover to the indoor unit and the

- 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.(for R32)

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

• 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.

	6	IMPORTANT SAFETY INSTRUCTIONS
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		opening the valves to permit refrigerant to flow between the
	• A brazed, welded, or mechanical connection shall be made before

refrigerating system parts.

• Mechanical connections shall be accessible for maintenance purposes.

• The appliance shall be installed in accordance with national wiring regulations.

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		7
- Otherwise, it may cause a fire or electrical shock.		<![if ! IE]> <![endif]>ENGLISH
• Do not place a heavy object on the power cord.

• 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 refrigerant circuit should hold a current valid certificate from an

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8	IMPORTANT SAFETY INSTRUCTIONS

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.

•Pipe-work shall be protected from physical damage.

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.

TABLE OF CONTENTS	9

TABLE OF CONTENTS

2MODEL DESIGNATION

3TIPS FOR SAVING ENERGY

4IMPORTANT SAFETY INSTRUCTIONS

10 INSTALLATION PLACES

12THE INDOOR UNIT INSTALLATION

13Indoor Unit Drain Piping

14Wiring Connection

16 Flaring Work

19 REMOTE CONTROLLER INSTALLATION

21Wired remote controller installation

22INSTALLATION OF DECORATIVE PANEL(ACCESSORY)

24TEST RUNNING

25OPTIONAL OPERATION

25Installer Setting - Test Run Mode

26Installer Setting - Setting Address of Central Control

27Installer Setting - Thermistor

28Installer Setting - Ceiling Height Selection

29Installer Setting - Group Setting

30Installer Setting -Dry Contact Mode Setting

31Installer Setting - Celsius / Fahrenheit Switching

32Installer Setting - Optional Function Setting

33Installer Setting - Remote controller Mode Lock

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34 HOW TO SET E.S.P?

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10 INSTALLATION PLACES

INSTALLATION PLACES

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

-There should not be any obstacles to prevent the air circulation.

-A place where air circulation in the room will be good.

-A place where drainage can be easily obtained.

-A place where noise prevention is taken into consideration.

-Do not install the unit near the door way.

-Ensure the spaces indicated by arrows from the wall, ceiling, or other obstacles.

-The indoor unit must keep the maintenance space.

			<![if ! IE]> <![endif]>10 or more
	Ceiling
					Ceiling Board

Ceiling Board

				<![if ! IE]> <![endif]>or less
500 or	<![if ! IE]> <![endif]>or more		500 or	<![if ! IE]> <![endif]>300
more			more
<![if ! IE]> <![endif]>0001		<![if ! IE]> <![endif]>H
				Unit : mm	<![if ! IE]> <![endif]>800
		Floor			<![if ! IE]> <![endif]>At least 1	<![if ! IE]> <![endif]>H or less
	Chassis		H
	TU		3 300
TQ/TR/TP			3 600
	TN/TM		4 200

*Please use an annexed sheet or the corrugated cardboard on the bottom of packing as installation sheet.

	Or
Annexed sheet	Packing corrugated
	cardboard on the
	bottom

*When using the bottom sheet, please use it after separating the installation sheet from packing of the product floor by using a knife etc as a picture below.

INSTALLATION PLACES 11

Minimum floor area (for R32)

-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.

Amin (m2) 600

Floor standing

500

400

300

200

100

Wall mounted

Ceiling mounted

0										m (kg)
0		1.224	2	3	4	5	6	7	8

-m : Total refrigerant amount in the system

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

-Amin : minimum area for installation

Floor location			Floor location			Wall mounted			Wall mounted			Ceiling Mounted			Ceiling Mounted
m (kg)	Amin (m2)		m (kg)	Amin (m2)		m (kg)	Amin (m2)		m (kg)	Amin (m2)		m (kg)	Amin (m2)		m (kg)	Amin (m2)
< 1.224	-		4.6	181.56		< 1.224	-		4.6	20.17		< 1.224	-		4.6	13.50
1.224	12.9		4.8	197.70		1.224	1.43		4.8	21.97		1.224	0.956		4.8	14.70
1.4	16.82		5	214.51		1.4	1.87		5	23.83		1.4	1.25		5	15.96
1.6	21.97		5.2	232.02		1.6	2.44		5.2	25.78		1.6	1.63		5.2	17.26
1.8	27.80		5.4	250.21		1.8	3.09		5.4	27.80		1.8	2.07		5.4	18.61
2	34.32		5.6	269.09		2	3.81		5.6	29.90		2	2.55		5.6	20.01
2.2	41.53		5.8	288.65		2.2	4.61		5.8	32.07		2.2	3.09		5.8	21.47
2.4	49.42		6	308.90		2.4	5.49		6	34.32		2.4	3.68		6	22.98
2.6	58.00		6.2	329.84		2.6	6.44		6.2	36.65		2.6	4.31		6.2	24.53
2.8	67.27		6.4	351.46		2.8	7.47		6.4	39.05		2.8	5.00		6.4	26.14
3	77.22		6.6	373.77		3	8.58		6.6	41.53		3	5.74		6.6	27.80
3.2	87.86		6.8	396.76		3.2	9.76		6.8	44.08		3.2	6.54		6.8	29.51
3.4	99.19		7	420.45		3.4	11.02		7	46.72		3.4	7.38		7	31.27
3.6	111.20		7.2	444.81		3.6	12.36		7.2	49.42		3.6	8.27		7.2	33.09
3.8	123.90		7.4	469.87		3.8	13.77		7.4	52.21		3.8	9.22		7.4	34.95
4	137.29		7.6	495.61		4	15.25		7.6	55.07		4	10.21		7.6	36.86
4.2	151.36		7.8	522.04		4.2	16.82		7.8	58.00		4.2	11.26		7.8	38.83
4.4	166.12					4.4	18.46					4.4	12.36

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12 THE INDOOR UNIT INSTALLATION

THE INDOOR UNIT INSTALLATION

Ceiling

Level gauge

Ceiling board

TP/TN/TM Series

!CAUTION

•This air-conditioner uses a drain pump.

•Install the unit horizontally using a level gauge.

•During the installation, care should be taken not to damage electric wires.

	875(Ceiling opening)
	787(Hanging bolt)
<![if ! IE]> <![endif]>671	840 Unit size	<![if ! IE]> <![endif]>684(Hanging bolt)	<![if ! IE]> <![endif]>875(Ceiling opening)
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		Unit:mm

TQ/TR Series

	585~660
		517
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		<![if ! IE]> <![endif]>570
		461		Unit:mm

TU Chassis

				1 065
<![if ! IE]> <![endif]>40	600	50		965	50
<![if ! IE]> <![endif]>400	<![if ! IE]> <![endif]>306		860	<![if ! IE]> <![endif]>448	<![if ! IE]> <![endif]>354 466
<![if ! IE]> <![endif]>40		250

-Select and mark the position for fixing bolts and piping hole.

-Decide the position for fixing bolts slightly tilted to the drain direction after considering the direction of drain hose.

-Drill the hole for anchor bolt on the wall.

! NOTE

Avoid the following installation location.

1Such places as restaurants and kitchen where considerable amount of oil steam and flour is generated. These may cause heat exchange efficiency reduction, or water drops, drain pump mal-function. In these cases, take the following actions;

-Make sure that ventilation fan is enough to cover all noxious gases from this place.

-Ensure enough distance from the cooking room to install the air conditioner in such a place where it may not suck oily steam.

Air conditioner

Take enough distance

Cooking table

Use the ventilation fan for smoke-collecting hood with sufficient capacity.

2Avoid installng air conditioner in such places where cooking oil or iron powder is generated.

3Avoid places where inflammable gas is generated.

4Avoid place where noxious gas is generated.

5Avoid places near high frequency generators.