LG ARNU18GTLC4 user manuals
www.lg.com
P/NO : MFL67870227
Please read this manual carefully before operating
your set and retain it for future reference.
CEILING CASSETTE - 2WAY
Original instruction
OWNER’S MANUAL
AIR
CONDITIONER
ENGLISH
ESPAÑOL
PORTUGUÊS
2 Indoor Unit
Ceiling Cassette - 2Way Type Indoor Unit Owner’s Manual
TABLE OF CONTENTS
FOR YOUR RECORDS
Write the model and serial numbers here:
Model #
Serial #
You can find them on a label on the side of each unit.
Dealer's Name
Date Purchased
n Staple your receipt to this page in the event you need
it to prove date of purchase or for warranty issues.
READ THIS MANUAL
Inside you will find many helpful hints on how to use and
maintain your air conditioner properly. Just a little preventive care on your part can save you a great deal of
time and money over the life of your air conditioner.
You'll find many answers to common problems in the
chart of troubleshooting tips. If you review our chart of
Troubleshooting Tips first, you may not need to call for
service at all.
PRECAUTION
• Contact the authorized service technician for repair or
maintenance of this unit.
• Contact the installer for installation of this unit.
• The air conditioner is not intended for use by young children or invalids without supervision.
• Young children should be supervised to ensure that they
do not play with the air conditioner.
• When the power cord is to be replaced, replacement work
shall be performed by authorized personnel only using
only genuine replacement parts.
• Installation work must be performed in accordance with
the National Electric Code by qualified and authorized
personnel only.
Safety Precautions.................3
Prior to Operation ..................6
Operating Instructions...........7
Maintenance and Service ....10
Before you Call for Service
............................................12
Safety Precautions
Owner’s Manual 3
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be followed.
n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified
by the following indications.
WARNING
CAUTION
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
n Meanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
WARNING
n 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.
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.
ENGLISH
Safety Precautions
4 Indoor Unit
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 sounds, or small 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.
n Operation
Do not touch(operate) the product with wet hands.
• There is risk of fire or electric
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.
• It may cause There is risk of fire,
failure of the product, 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.
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.
Turn the main power off when cleaning or maintaining the product.
• There is risk of electric shock.
Take care to ensure that nobody could step on or
fall onto the outdoor unit.
• This could result in personal injury and product damage.
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