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P/NO : MFL67855436
INSTALLATION MANUAL
AIR
CONDITIONER
www.lg.com
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.
Ɠ
This product contains Fluorinated Greenhouse Gases. (R410A)
WALL MOUNTED
Original instruction
ENGLISH ESPAÑOL
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IMPORTANT SAFETY INSTRUCTIONS
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 ig-
nored
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 MUST conform with local building codes.
• The information contained in the manual is intended for use
by a qualified service technician familiar with safety proce-
dures and equipped with the proper tools and test instru-
ments.
• Failure to carefully read and follow all instructions in this man-
ual can result in equipment malfunction, property damage,
personal injury and/or death.
Installation
• Don’t use a power cord, a plug or a loose socket which is
damaged.
- Otherwise, it may cause a fire or electrical shock.
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2
IMPORTANT SAFETY INSTRUCTIONS
ENGLISH
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IMPORTANT SAFETY INSTRUCTIONS
3
ENGLISH
• For electrical work, contact the dealer, seller, a qualified elec-
trician, 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 hu-
midity 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.
• 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.
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4
IMPORTANT SAFETY INSTRUCTIONS
ENGLISH
• There is a risk of fire and explosion.
- Inert gas (nitrogen) should be used when you check plumb-
ing leaks, cleaning or repairs of pipes etc. If you are using
combustible gases including oxygen, product may have the
risk of fires and explosions.
• Use a vacuum pump or Inert (nitrogen) gas when doing leak-
age test or air purge. Do not compress air or Oxygen and Do
not use Flammable gases. Otherwise, it may cause fire or ex-
plosion.
- There is the risk of death, injury, fire or explosion.
Operation
• Do not store or use flammable gas or combustibles near the
product.
- There is risk of fire or failure of product.
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.
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IMPORTANT SAFETY INSTRUCTIONS
5
ENGLISH
• 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.
• Thickness of copper pipes used are as shown “Flaring work”
Table.
- Never use copper pipes thinner than that in the table even
when it is available on the market
• Do not use copper pipes having a collapsed.
- Otherwise, the expansion valve or capillary tube may be-
come blocked with contaminants.
• For R410A model, use piping, flare nut and tools which is
specified for R410A refrigerant.
- Using of (R22) piping, flare nut and tools may cause abnor-
mally high pressure in the refrigerant cycle (piping), and pos-
sibly result in explosion and injury.
• It is desirable that the amount of residual oil less than 40
mg/10m.
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2 IMPORTANT SAFETY IN-
STRUCTIONS
7 INSTALLATION PARTS
7 INSTALLATION TOOLS
8 INSTALLATION MAP
9 INSTALLATION
9 Select the best Location
9 Fixing Installation Plate
10 Drill a Hole in the Wall
10 Flaring Work
11 Connecting the Piping
15 Checking the Drainage
16 Installation of filters
16 Test Running
TABLE OF CONTENTS
6
TABLE OF CONTENTS
ENGLISH