LG LMQN150HV Installation instructions

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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.

CONSOLE

www.lghvac.com

MFL67855553

www.lg.com

Rev.01_061520

Table of contents

TABLE OF CONTENTS

3SAFETY INSTRUCTIONS

7INSTALLATION

7Installation Map

8Drawing of the indoor unit

9 Choosing an installation Site

10 Indoor unit installation

16Flaring Work

17Connecting the Piping

19 WIRING CONNECTION

19 Wiring Connection

21 Electrical Wiring

21Installation of Front Panel

22Test Running

24 WARRANTY (USA)

26 WARRANTY (CANADA)

2 Air Conditioner

Safety Instructions

The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the appliance.

The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as described below.

!This symbol is displayed to indicate matters and operations that can cause risk.

Read the part with this symbol carefully and follow the instructions in order to avoid risk.

!WARNING

This indicates that the failure to follow the instructions can cause serious injury or death.

! CAUTION

This indicates that the failure to follow the instructions can cause the minor injury or damage to the product.

! WARNING

Installation

•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 install, remove, or re-install the unit by yourself (customer).

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

•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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Installation Manual 3

Safety Instructions

•Do not install the product on a defective installation stand.

-It may cause injury, accident, or damage to the product.

•Be sure the installation area does not deteriorate with age.

-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.

Operation

•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.

•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.

•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 sounds, or smell or smoke comes from product. Turn off the circuit breaker.

-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, Turn off the circuit breaker.

-There is risk of product damage or failure, or unintended operation.

•Take care to ensure that nobody could step on or fall onto the outdoor unit.

-This could result in personal injury and product damage.

4 Air Conditioner

Safety Instructions

! 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.

•The Limited Warranty is void and of no effect, and LG will have no liability hereunder to any Customer or third party, to the extent any of the following occur: acts, omissions, and conduct of any and all third parties including, but not limited to, the installing contractor and any repairs, service or maintenance by unauthorized or unqualified persons.

•Do not install the unit in potentially explosive atmospheres.

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 anything 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.

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Installation Manual 5

Safety Instructions

•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.

6 Air Conditioner

Installation

Installation Map

Installation

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(6)

(1)

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.

(5)

(3)

(2)

ACCESSORIES

(1)	Drain Hose	1EA
(2)	Remote Controller	1EA
(3)	Remote Controller Holder	1EA
(4)	Fixing Screw for R.Controller Holder	2EA
(5)	Battery (AAA)	2EA
(6)	Install plate	1EA
(7)	Fixing Screw for Install Plate 4*25mm	5EA
(8)	Wood Screw for Indoor fixation	6EA

	Vinyl tape (Wide)
	• Apply after carrying out a
	drainage test.
	• To carry out the drainage
Saddle	test, remove the air filters
Saddle	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(1) Connecting cable (Optional Parts)

(4),(7),(8) ’ Screw

-The feature can be changed according to type of model. (This feature is for single outdoor unit)

NOTICE

You should purchase the installation parts.

Installation Manual 7

Installation
Drawing of the indoor unit
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