LG UU30W 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.

Standard inverter

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

For more information, Refer to the CD or LG Web site (www.lg.com).

www.lg.com

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<![endif]>ROMÂNĂ LIMBA POLSKI NEDERLANDS ČEŠTINA ΕΛΛΗΝΙΚΆ DEUTSCH FRANÇAIS ESPAÑOL ITALIANO ENGLISH

P/NO : MFL67855411

Single A Air Conditioner Installation Manual

CONTENTS

Safety Precautions ..............................................................................................	3
Installation of Outdoor Unit................................................................................	7
Wiring Connection.............................................................................................	11
Connecting Pipes ..............................................................................................	14
Leakage test and Evacuation ...........................................................................	18
Test running .......................................................................................................	20
Function..............................................................................................................	22
Self-diagnosis Function....................................................................................	23
Installation Guide at the Seaside.....................................................................	24

Safety Precautions

To prevent the injury of the user or other people and property damage, the following instructions must be followed.

νBe sure to read before installing the air conditioner.

νBe sure to observe the cautions specified here as they include important items related to safety.

νIncorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications.

WARNING This symbol indicates the possibility of death or serious injury.

CAUTION This symbol indicates the possibility of injury or damage to properties only.

ν The meanings of the symbols used in this manual are as shown below.

Be sure not to do.

Be sure to follow the instruction.

WARNING

ν Installation
Always perform		Don’t use a power
grounding.		cord, a plug or a loose
		socket which is dam-
		aged.
• Otherwise, it may cause		• Otherwise, it may cause
electrical shock.		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.

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.

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Installation Manual 3

Safety Precautions

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

Do not disassemble or repair the product randomly.

• It may cause injury or an	• It will cause a fire or
accident.	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.

ν Operation

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 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	Keep the flames away.
strange sounds,
smell, or smoke
comes from it.
• Otherwise, it may	• Otherwise, it may
cause electrical shock	cause a fire.
or a fire.

Safety Precautions

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

Do not use the power cord near the heating tools.

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

• Otherwise, it may	• Otherwise, it may	• Otherwise, it may elec-
cause a fire or electri-	cause a fire and electri-	trical shock and failure.
cal shock.	cal shock.

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	Do not place a heavy
indoor/outdoor unit	object on the power
and do not put any-	cord.
thing on it.
• It may cause an injury	• Otherwise, it may
through dropping of the	cause a fire or electri-
unit or falling down.	cal 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.

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Installation Manual 5

Safety Precautions

CAUTION

ν Installation

Install the drain hose to ensure that drain can be securely done.

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	• Otherwise, it may cause
water leakage.	dispute with the neigh-
	bors.

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.

Please install safely at a place that can sufficiently endure the weight of the product.

•If the strength is not sufficient, the product may fall and cause injury.

ν 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.

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

• The appearance of the	• Otherwise, it may dam-
air conditioner may dete-	age your properties.
riorate, change color, or
develop surface flaws.

Do not place obstacles around the flow inlet or outlet.

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

Installation of Outdoor Unit

You need to select adequate installation location considering the following conditions, and make sure to acquire the consent of the user.

1.Installation Places

•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 spaces indicated by arrows around front, back and side of the unit.

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

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

•Select a place so that the warm air and noise from the air conditioner do not disturb neighbors.

•Place that can sufficiently endure the weight and vibration of the outdoor unit and where even installation is possible

•Place that has no direct influence of snow or rain

•Place with no danger of snowfall or icicle drop

•Place without weak floor or base such as decrepit part of the building or with a lot of snow accumulation

	Sunroof
More than
300mm
Fence	More than
	300mm

obstacles
or

More than 600mm

More than 700mm

Unit : mm

2. Piping length and the elevation

ν Single Operation

		Pipe Size		Length A(m)		Elevation B(m)		Additional
Model	Capacity	mm(inch)		Length A(m)		Elevation B(m)		refrigerant
Model	Capacity	mm(inch)						refrigerant
		Gas	Liquid	Standard	Max.	Standard	Max.	(g/m)

UU18W	5kW	Ø12.7(1/2)	Ø6.35(1/4)	7.5	40	5	30	20
UU24W	7kW	Ø15.88(5/8)	Ø9.52(3/8)	7.5	50	5	30	40

UU30W	8kW	Ø15.88(5/8)	Ø9.52(3/8)	7.5	50	5	30	40
UU36W/UU37W	10kW	Ø15.88(5/8)	Ø9.52(3/8)	7.5	50	5	30	40

UU42W/UU43W	12.5kW	Ø15.88(5/8)	Ø9.52(3/8)	7.5	75	5	30	40
UU48W/UU49W	14kW	Ø15.88(5/8)	Ø9.52(3/8)	7.5	75	5	30	40

UU60W/UU61W	15kW	Ø15.88(5/8)	Ø9.52(3/8)	7.5	75	5	30	40

If installed tube is shorter than 7.5 m, additional charging is not necessary.

Additional Refrigerant = (A -7.5) x Additional refrigerant (g)

Indoor unit

Outdoor unit

	A		A
			A
B	Outdoor unit	Indoor unit	B
			B

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Installation Manual 7

Installation of Outdoor Unit

ν Synchro Operation

Install the branch pipe so that pipe length and difference between high and low will not exceed below Spec.

	L2	Branch		[Unit : m]
	L3		Pipe Length & Height	Spec(MAX.)
		A	Total(L1+L2+L3+L4+L5)	80
			Total(L1+L2+L3+L4+L5)	80
	L4		Main Pipe(L1)	45
	L4		H2
			H2	40
H1	L5		Branch Pipe (L2+L3+L4+L5)	40
		A	Each	15
		A
			Indoor-Outdoor (H1)	30
	Remote		Indoor-Indoor (H2)	1
	Controller
			(L1+L2),(L1+L3),(L1+L4),(L1+L5)	70
	L1		A	10
			A	10

•When installing the branch pipe, direction and angle of installation is not limited.

•Take care so that burrs and foreign material may not enter into the cutting surface when connecting.

•Connect remaining those by cutting or direct insertion to the diameter of pipe.

ν Refrigerant Additional Charging Method
For additional charging method, see below table.
Indoor Unit	Refrigerant Additional charging (g)
Duo	Refrigerant = (L1-b) x B + (L2 + L3) x C
Trio	Refrigerant = (L1-b) x B + (L2 + L3 + L4) x C
Quartet	Refrigerant = (L1-b) x B + (L2 + L3 + L4 + L5) x C
Model	b	B
Model	(m)	(g/m)
	(m)	(g/m)
UU42W/UU43W
UU48W/UU49W	7.5	40
UU60W/UU61W

Pipe Size	C
mm(inch)	(g/m)
Ø6.35(1/4)	35
Ø9.52(3/8)	40

NOTICE

b : Rated performance for refrigerant line length.

C : Additional charging Refrigerant of Branch Liquid Pipe. B : Additional charging Refrigerant of Main Liquid Pipe.

CAUTION:

•Capacity is based on standard length and maximum allowance length is on the basis of reliability.

•Improper refrigerant charge may result in abnormal cycle.

Installation of Outdoor Unit

3. Synchro Combination table

Possible combination of indoor units

Synchro

Duo

Trio

Quartet

IDU : INDOOR UNIT

ODU : OUTDOOR UNIT

BD : BRANACH

ODU

DISTRIBUTOR UNIT

REMO : WIRED

IDU

REMOTE

REMO

CONTROLLER

MODEL

Cas-

Duct

Ceiling

Cas-

Duct

Ceiling

Cas-

Duct

Ceiling

sette

Suspended

sette

Suspended

sette

Suspended

UU42W/UU43W

CT24 NP2*2

CB24 NH2*2

CV24 NJ2*2

CT18 NQ2*3

CB18 NH2*3

CV18 NJ2*3

CT12 NR2*4

UU48W/UU49W

CT24 NP2*2

CB24 NH2*2

CV24 NJ2*2

CT18 NQ2*3

CB18 NH2*3

CV18 NJ2*3

CT12 NR2*4

UU60W/UU61W

UT30 NP2*2

UB30 NG2*2

UV30 NJ2*2

CT18 NQ2*3

CB18 NH2*3

CV18 NJ2*3

CT12 NR2*4

Applied

Bdunit

PMUB11A

PMUB111A

PMUB1111A

Acces-

Simple central

PQCSZ250S0

siries

controller**

NOTICE

**When using synchro operation,

-Do not use wireless remote controller.

-Use only one wired remote controller in the indoor units.

-Use Simple central controller "PQCSZ250S0" only.

4. Outdoor Unit PCB Setting Procedure For Simultaneous Operation System

1.SW01N (PIP SW2) Setting

Set the SW01N (PIP SW2) as below Table ( )

2.Auto Addressing Method

Addressing work assigns address to each indoor unit. When firstly installing product or replacing the indoor unit PCB. Auto Addressing work should be done for simultaneous operation.

η Work procedure

1)Set SW01N (PIP SW2) correctly.

2)Turn on main power.

3)Press the SW02N (SW01B) for about 3 seconds within 3 minutes After main power on.( )

B SW02N