LG DMC24DB-1 User manual

Wall Mounted
Mini -Split System
DMC24DB-1, DMH24DB-1
DMC36TB-1, DMH36TB-1
Dual-Zone, Tri-Zone
Air Conditioning /Heat Pump
Important Information
•Please read carefully and thoroughly this manual before operating this unit.
•Contact a qualified sevice technician for installation, repair and maintenance of this unit.
•The appliance is not intended for use by young children or those who require supervision.
•Young children should be supervised to ensure that they do not play with the appliance.
HEAT CONTROLLER, INC.

2Room Air Conditioner
Room Air Conditioner 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
■ 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 ..................8
Operating Instructions...........9
Remote Controller ..............9
Remote Control
Operation...........................11
Additional features...............18
Maintenance and Service ....22
Operation Tips ..................23
Troubleshooting ..............24

Safety Precautions
Owner's Manual 3
Safety Precautions
To prevent the injury of the user or other people and property damage, the following instructions must be
followed.
■Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by
the following indications.
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
■The meanings of the symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
■Installation
For electrical work, contact
the dealer, seller, a qualified
electrician, or an Authorized
Service Center.
• 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.
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.
• Shape edges could cause injury.
Be especially careful of the sharp
edges.
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.

Safety Precautions
4Room Air Conditioner
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.
Install the indoor unit on the
wall where the height from
the floors more than 8ft(2.4m)
• There are sharp moving parts that
could cause personal injury.
Do not handle the pipe by
yourself(Costomer)
• High-Pressure refrigent may cause
personal injury.
Do not allow water to run
into electric part.
• There is risk of fire, failure of
the product, and/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 furnishings.
Do not store of use
flammable gas or
combustibles near the air
conditioner.
• There is risk of fire or product
failure.
Do not use the product in a
tightly closed space for a
long time.
• Oxygen deficiency could occur.
• Some ventilation by opening window
is necessary for the fresh air
When flammable gas leaks, turn off
the gas and open a window for
ventilation before turning the
product on. Do not use the
telephone or turn switches on or off.
• There is risk of explosion or fire.
Turn off breaker to the unit if
strange sounds odors or
smoke comes from it.
• There is risk of fire, Product faiure,
and/or electric shock.
■Operation
8ft(2.4m)
Wax
Thinner

Safety Precautions
Owner's Manual 5
Stop operation and close any
window in storm or hurricane
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.
When the product is soaked
(flooded or submerged),
contact an Authorized
Service Center.
• There is risk of electrical shock.
Ventilate the product from
time to time when operating it
together with a stove, etc.
• There is risk of fire or electrical
shock.
Turn off breaker to the
appliance before performing
cleaning or maintenance.
• There is risk of electric shock.
When the product is not be
used for a long time
disconnect the power supply
by turning off the 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.
• There could result in personal injury and product
damage.
Do not insert hands or other objects through
the air inlet or outlet while the air conditioner
is on.
• There are sharp and moving parts that could cause
personal injury.

Safety Precautions
6Room Air Conditioner
Do not direct airflow at room
occupants.
• This could damage 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.
■Operation
Do not install the product
where the noise or hot air
from the outdoor unit could
offend neighbors.
• It may cause a problem for your
neighbors.
Use two or more people to lift
and transport the air
conditioner.
• Avoid personal injury.
Do not install the product
where it will be exposed to
sea wind (salt spray) directly.
• It may cause corrosion in the
product. Corrosion, particularly on
the condenser and evaporator fins,
could cause product malfunction
or inefficient operation.
Always check for
gas(refrigerant) leakage after
installation or repair of
product.
• Low refrigerant levels may cause
product failure.
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.
90°
■Installation

Safety Precautions
Owner's Manual 7
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 unit)
•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 drink the water
drained from the unit.
•It is not sanitary and could cause
serious health issues.
Use a firm stool or ladder
when cleaning or maintaining
the air conditioner.
•Be careful and avoid personal
injury.
Replace all the batteries in
the remote.
•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.
■Disuse

Prior to operation
8Room Air Conditioner
Prior to operation
1. Contact an installation specialist for installation.
2. Connect the power cable between indoor unit and outdoor unit properly.
3. Use a dedicated circuit.
1. Being exposed to direct airflow for an extended period of time could be hazardous to your health.
Do not expose occupants, pets, or plants to direct airflow for extended periods of time.
2. Do not use this air conditioner for non-specified special purposes (e.g. preserving precision devices,
food, pets, plants, and art objects). Such usage could damage the items.
1. Do not touch the metal parts of the unit when removing the filter. Injuries can occur when handling
sharp metal edges.
2. Do not use water to clean inside the air conditioner. Exposure to water can destroy the insulation,
leading to possible electric shock.
3. When cleaning the unit, first make sure that the power and breaker are turned off. There is a
possibility of injury if the unit’s power is accidentally triggered on while cleaning inner parts of the
unit.
For repair and maintenance, contact your authorized service dealer.
Preparing for operation
Usage
Cleaning and maintenance
Service
Symbols Used in this Manual
This symbol alerts you to the risk of electric shock.
This symbol alerts you to hazards that could cause harm to the
air conditioner.
This symbol indicates special notes.
NOTICE

Operating Instructions
Owner's Manual 9
Remote Controller
Operating Instructions
Storage and Tips For Using the Remote Controller
1. Remove the battery cover by pulling it according to the arrow
direction.
2. Insert new batteries making sure that the (+) and (-) of battery are
installed correctly.
3. Reattach the cover by sliding it back into position.
Use 2 AAA(1.5volt) batteries. Do not use rechargeable
batteries.
NOTICE
•The remote control may be stored mounted on a wall.
•To operate the room air conditioner, aim the remote control at the signal receptor.
•The remote control will operate the air conditioner at a distance of up to 7m(23ft).

Operating Instructions
10 Room Air Conditioner
Signal Receptor
Receives the signals from the remote controller.(Signal receiving sound: two short beeps or one long beep.)
Operation Indication Lamps
On/Off : Lights up during the system operation.
Sleep Mode : Lights up during Sleep Mode Auto operation.
Timer : Lights up during Timer operation.
Defrost Mode
Outdoor unit
operation
OUT
DOOR
: Lights up during Defrost Mode or Hot Start operation (Heat pump model only)
: Lights up during outdoor unit operation.(Cooling model only)
Desire temperature For cooling,dehumidification,heating modes it display Destired temperature
indicator •Cooling : 18°C~30°C(64°F~86°F) •AI : Auto Operation
•Dehumidification : 18°C~30°C(64°F~86°F) •Po : Jet Cool
•Heating : 16~30°C(60°F~86°F) •Lo :Test Mode
Operation indicating lamps