LG ABUQ18GL2A2 Installation Manual

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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. Single Outdoor

*MFL63260117*	www.lg.com
Rev. : 00(11T18)	Copyright © 2018 LG Electronics Inc. All Rights Reserved.

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2	TIPS FOR SAVING ENERGY

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 to 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 labeled on the side of each unit.

Dealer’s name :

Date of purchase :

IMPORTANT SAFETY INSTRUCTIONS	3

IMPORTANT SAFETY INSTRUCTIONS

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

•Install or repair by unqualified persons can result in hazards to you and others.

•Installation MUST comply with local building codes. If there is no local codes, comply with the Nation Electrical Code NFPA 70/ANSI C1-1003, Canadian Electrical Code Part1 CSA C.22.1. or current edition.

•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 or death.

•This appliance is not intended for use by persons (including children) 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.

Installation

•Do not install duct through disassemble or repare the product yourself.

-This product can not install duct.

•Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated circuit.

-There is risk of fire or electric shock.

•For electrical work, contact the dealer, seller, a qualified electrician, or an authorized service center.

-Do not disassemble or repair the product. There is risk of fire or electric shock.

•Always ground the product.

-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.

•Always install a dedicated circuit and breaker.

-Improper wiring or installation may cause fire or electric shock.

•Use the correctly rated breaker or fuse.

-There is risk of fire or electric shock.

•Do not modify or extend the power cable.

-There is risk of fire or electric shock.

•Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open.

-Moisture may condense and wet or damage furniture.

•Be cautious when unpacking and installing the product.

-Sharp edges could cause injury. Be especially careful of the case edges and the fins on the condenser and evaporator.

•For installation, always contact the dealer or an authorized service center.

-There is risk of fire, electric shock, explosion, or injury.

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	4	IMPORTANT SAFETY INSTRUCTIONS
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		• Be sure the installation area does not deteriorate with age.

• Do not install the product on a defective installation stand. - It may cause injury, accident, or damage to the product.

- If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury.

• 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.

Operation

•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.

•Do not touch(operate) the product with wet hands. There is risk of fire or electrical shock.

•Do not place a heater or other appliances near the power cable. There is risk of fire and electric shock.

•Do not allow water to run into electric parts. There is risk of fire, failure of the product, or electric shock.

•Do not store or use flammable gas or combustibles near the product. There is risk of fire or failure of product.

•Do not use the product in a tightly closed space for a long time. Oxygen deficiency could occur.

•When flammable gas leaks, turn off the gas and open a window for ventilation before turn the product on. Do not use the telephone or turn switches on or off. There is risk of explosion or fire.

•If strange sound, smell or smoke comes from product, turn the breaker off or disconnect the power supply cable. There is risk of electric shock or fire.

•Stop operation and close the window in storm or hurricane. If possible, remove the product from the window before the hurricane arrives. There is risk of property damage, failure of product or electric shock.

•Do not open the inlet grill 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.

•When the product is soaked (flooded or submerged), contact an authorized service center. There is risk of fire or electric shock.

•Be cautious that water could not enter the product. There is risk of fire, electric shock, or product damage.

•Ventilate the product from time to time when operating it together with a stove, etc. There is risk of fire or electric shock.

•Turn the main power off when cleaning or maintaining the product. There is risk of electric shock.

•When the product is not be used for a long time or the product use first time after test running, turn on main power switch before 6hours ago.

•Take care to ensure that nobody could step on or fall onto the outdoor unit. This could result in personal injury and product damage.

IMPORTANT SAFETY INSTRUCTIONS	5

! CAUTION

Installation

•Always check for gas (refrigerant) leakage after installation or repair of product. Low refrigerant levels may cause failure of product.

•Install the drain hose to ensure that water is drained away properly. A bad connection may cause water leakage.

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

•Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods. It may cause a problem for your neighbors.

•Use two or more people to 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. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunction or inefficient operation.

Operation

•Do not expose the skin directly to cool air for long periods of time. (Don't sit in the draft.) This could harm to your health.

•Do not use the product for special purposes such as preserving 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 product failure.

•Use a soft cloth to clean. Do not use harsh detergents, solvents, 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. They are very sharp! There is risk of personal injury.

•Do not step on or put anyting on the product. (outdoor units) There is risk of personal injury and failure of product.

•Always insert the filter securely. Clean the filter every two weeks or more often if necessary. A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage.

•Do not insert hands or other objects through the air inlet or outlet while the product is operated. There are sharp and moving parts that could cause personal injury.

•Do not drink the water drained from the product. It is not sanitary and could cause serious health issues.

•Use a firm stool or ladder when cleaning or maintaining the product. Be careful and avoid personal injury.

•Replace the all batteries in the remote control with new ones of the same type. Do not mix old and new batteries or different types of batteries. There is risk of fire or explosion

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

•If you eat the liquid from the batteries, brush your teeth and see doctor. Do not use the remote if the batteries have leaked. The chemicals in batteries could cause burns or other health hazards.

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6	TABLE OF CONTENTS

TABLE OF CONTENTS

2TIPS FOR SAVING ENERGY

3IMPORTANT SAFETY INSTRUCTIONS

7INSTALLATION OF OUTDOOR UNIT

9 WIRING CONNECTION

9Electrical Wiring

10Connecting Cables between Indoor Unit and Outdoor Unit

12Connecting the cable to Outdoor Unit

14 CONNECTING PIPES

14Preparation of Piping

15Connection of piping - Outdoor

15Forming the piping

16LEAKAGE TEST AND EVACUATION

16Preparation

16Leakage test

17Evacuation

18TEST RUNNING

20 SELF-DIAGNOSIS FUNCTION

20 Error Indicator (Outdoor)

22 INSTALLATION GUIDE AT THE SEASIDE

INSTALLATION OF OUTDOOR UNIT	7

INSTALLATION OF OUTDOOR UNIT

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.

Unit : mm(inch)

	Awning
More than
300(11-
	OUTDOOR
Fence	UNIT	More than
		300(11-13/16)mm
obstacles
or
		More than
		600(23-5/8)mm
	More than 700(27-9/16)mm

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8	INSTALLATION OF OUTDOOR UNIT

Piping length and the elevation

		Pipe Size		Length A		Chargeless	Elevation B	Additional-
	MODEL	mm(inch)		m(ft)		Length C	m(ft)	Refrigerant
						m(ft)		g/m(lb/ft)
		Gas	Liquid	Standard	Max.		Max.
	ABUQ09GL1A2	Ø 9.52(3/8)	Ø 6.35(1/4)		15(49.2)	7.5(24.6)	7(22.9)	10(0.067)
	ABUQ12GL2A2	Ø 9.52(3/8)	Ø 6.35(1/4)	7.5(24.6)	20(65.6)		15(49.2)	15(0.101)
	ABUQ18GL2A2	Ø 12.7(1/2)	Ø 6.35(1/4)		30(98.4)	15(49.2)		20(0.134)
	ABUQ24GL3A2	Ø 15.88(5/8)	Ø 9.52(3/8)		50(164)		30(98.4)	30(0.202)

! CAUTION

If installed tube is shorter than C, additional charging is not necessary

Additional Refrigerant = (A - C) x Additional refrigerant (g) (A - C) x Additional refrigerant (lb)

Indoor unit

Outdoor unit

		A
Outdoor unit	Indoor unit	B

!CAUTION

•Capacity is based on 7.5 m and maximum allowance length is on the basis of reliability.

•Improper refrigerant charge can cause abnormal pressure and noise problem.

WIRING CONNECTION 9

WIRING CONNECTION

Electrical Wiring

Perform the electrical wiring work according to the electrical wiring connection.

-All wiring must comply with local requirements.

-Select a power source that is capable of supplying the current required by the air conditioner.

-Use a recognized ELCB(Earth Leakage Circuit Breaker) between the power source and the unit. A disconnection device to adequately disconnect all supply lines must be fitted.

-Model of circuit breaker recommended by authorized personnel only

Main

ELCB

power source

Switch box

Outdoor

Indoor

	Model		Phase	ELCB
	ABUQ09GL1A2			15 A
	ABUQ12GL2A2	1
	ABUQ18GL2A2			20 A
	ABUQ24GL3A2

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10 WIRING CONNECTION

Connecting Cables between Indoor Unit and Outdoor Unit

<Outdoor Unit Power Supply : 1 Ph >

<Outdoor Unit Power Supply : 1 Ph>

ABUQ09GL1A2 / ABUQ12GL2A2 / ABUQ18GL2A2

ABUQ24GL3A2

Indoor unit

Indoor unit

1(L)

2(N)

3

1(L)

2(N)

3

Outdoor unit

Outdoor unit

1(L)

2(N)

1(L)

2(N)

3

1(L)

2(N)

1(L)

2(N)

3(C)

POWER SUPPLY

POWER SUPPLY

! CAUTION

The power cord connected to the outdoor unit should be complied withIEC 60245 or HD 22.4 S4 (This equipment shall be provided with a cord set complying with the national regulation.

			Model	Phase(Ø)	2
					Area(mm)
			ABUQ09GL1A2
/			ABUQ12GL2A2	1	2.5 (12AWG)
GN	YL		ABUQ18GL2A2
	20mm	20mm	ABUQ24GL3A2

The connecting cable connected to the outdoor unit should be complied with IEC 60245 or HD 22.4 S4 (This equipment shall be provided with a cord set complying with the national regulation.)

10(13/32) ± 3(1/8) mm(inch)

			±	)
				h
			)
	/8
	(1		mm(inc
	-3
	35 /16)
	5(3
			/
	GN Y
			L

NORMAL CROSS-SECTIONAL AREA 0.75mm2

20 /
(25	)
	32	mm
		(in
		c
		h)

When the connection line between the indoor unit and outdooor unit is over 40(131.2) m(ft), connect the telecommunication line and power line separately.

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

Precautions when laying power wiring

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

Power wire Round pressure terminal

When none are available, follow the instructions below.

WIRING CONNECTION 11

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-Do not connect wiring of different thicknesses to the power terminal block. (Slack in the power wiring may cause abnormal heat.)

-When connecting wiring which is the same thickness, do as shown in the figure below.

-For wiring, use the designated power wire and connect firmly, then secure to prevent outside pressure being exerted on the terminal block.

-Use an appropriate screwdriver for tightening the terinal screws. A screwdriver with a small head will strip the head and make proper tighterning impossible.

-Over-tightening the terminal screws may break them.

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12 WIRING CONNECTION

Connecting the cable to Outdoor Unit

Remove the panel for wiring connection. Use the cord clamp to fix the cord.

Earthing work

- Connect the cable of diameter more to the earthing terminal provided in the control box and do earthing.

< Model : ABUQ09GL1A2 / ABUQ12GL2A2 >

		Connecting
Cord clamp	Cover Control	cable

< Model : ABUQ18GL2A2 >

Connecting

cable

WIRING CONNECTION 13

< Model : ABUQ24GL3A2 >

Connecting

cable

!CAUTION

•The circuit diagram is not subject to change without notice.

•Be sure to connect wires according to the wiring diagram.

•Connect the wires firmly, so that They won’t be pulled out easily.

•Connect the wires according to color codes by referring the wiring diagram.

•The Power cord connected to the unit should be selected according to the specifications.

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14 CONNECTING PIPES

CONNECTING PIPES

Preparation of Piping

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

Cut the pipes and the cable.

-Use the accessory piping kit or the pipes purchased locally.

-Measure the distance between the indoor and the outdoor unit.

-Cut the pipes a little longer than measured distance.

-Cut the cable 1.5 m (4.9 ft) longer than the pipe length.

Copper		Slanted Uneven Rough
tube	90°

Burrs removal

-Completely remove all burrs from the cut cross section of pipe/tube.

-Put the end of the copper tube/pipe to downward direction as you remove burrs in order to avoid to let chips drop in the tubing.

Putting nut on

-Remove flare nuts attached to indoor and outdoor units, than put them on pipe/tube having completed burr removal.

(Not possible to put them on after flaring work)

Pipe

Reamer

Point down

Flare nut

Copper tube

Flaring work

-Carry out flaring work using dedicated flaring tool for R-410A as shown below.

Outside diameter			A
mm	inch	mm	inch
Ø 6.35	1/4	1.1~1.3	0.043~0.051
Ø 9.52	3/8	1.5~1.7	0.059~0.067
Ø 12.7	1/2	1.6~1.8	0.063~0.071
Ø 15.88	5/8	1.6~1.8	0.063~0.071
Ø 19.05	3/4	1.9~2.1	0.075~0.083

Firmly hold copper tube in a bar(or die) as indicated dimension in the table above.

Check

-Compare the flared work with figure below.

-If flare is noted to be defective, cut off the flared section and do flaring work again.

	Handle
Bar	Bar
"A"	Yoke
	Cone

Copper pipe Clamp handle Red arrow mark

Smooth all round

Inside is shining without scratches

= Improper flaring =

Inclined Surface Cracked Uneven damaged thickness

Even length all round

CONNECTING PIPES 15

Connecting the pipes to the Outdoor unit

-Align the center of the piping and sufficiently tighten the flare nut by hand.

-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.

Outside diameter		Torque
mm	inch	N.m
Ø6.35	1/4	16±2
Ø9.52	3/8	38±4
Ø12.7	1/2	55±6
Ø15.88	5/8	75±7

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 tape.

-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.

1Tape the piping, drain hose and connecting cable from down to up.

2Secure the tapped piping along the exterior wall using saddle or equivalent.

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

Plastic band

OUTDOOR

UNIT

Taping

Drain hose

Pipings

Connecting cable

Power supply cord

• Trap	water from entering
into electrical parts.

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*When tighten the pipe, hold the haxagonal body.