Daewoo DSB-075LH User manual

MODEL #:
DSB-075LH
DSB-095LH
DSB-125LH
DSB-185LH
USE'S MANUAL
SPLIT-TYPE ROOM AIR CONDITIONER
S1
Please read the operating instructions and safety
precautions carefully and thoroughly before installing
and operating your room air conditioner.

CONTENTS
SAFETY PRECAUTIONS .......................................................................................
PARTS NAMES .....................................................................................................
MANUAL OPERATION .........................................................................................
OPTIMAL OPERATION ........................................................................................
ADJUSTING AIR FLOW DIRECTION.....................................................................
HOW THE AIR CONDITIONER WORKS................................................................
MAINTENANCE.......................................................................................................
OPERATION TIPS .................................................................................................
TROUBLESHOOTING TIPS...................................................................................
1
4
5
5
6
7
8
10
12
Inside you will find many helpful hints on how to use and maintain your
air conditioner properly. Just a little preventative 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 the chart of Troubleshooting Tips first, you may not need
to call for service.
Contact an authorised 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.
If the power cord is to be replaced, replacement work shall be performed by
authorised personnel only.
Installation work must be performed in accordance with the national wiring
standards by authorised personnel only.
!CAUTION
Read This Manual

To prevent injury to the user or other people and property damage, the following
instructions must be followed.
Incorrect operation due to ignoring of instructions may cause harm or damage. The
seriousness is classified by the following indications.
Safety Precautions
This symbol indicates the possibility of death or serious injury.
Meanings of symbols used in this manual are as shown below.
!
!
WARNING
Always do this.
Never do this.
!
CAUTION
This symbol indicates the possibility of injury or damage to property.
Connect with the power
properly.
Do not modify power cord
length or share the outlet
with other appliances
Always ensure effective
earthing.
Disconnect the power if
strange sounds, smell, or
smoke comes from it.
Keep firearms away.
Ventilate room before operating air
conditioner if there is a gas leakage from
another appliance.
Otherwise, it may cause electric
shock or fire due to heat
generation.
excess
It may cause electric shock or
fire due to heat generation.
No earthing may cause electric
shock.
It may cause fire and electric
shock.
It may cause fire.
It may cause explosion, fire and, burns.
It may cause electric shock or fire
due to heat generation.
It may cause electric shock.
It may cause failure of machine
or electric shock.
It may cause fire and electric
shock.
It may cause fire and electric
shock.
It may cause electric shock or fire.
This could damage your health.
No installation may cause fire
and electric shock.
It may cause electric shock.
It may cause an explosion or fire.
It may cause failure and electric shock.
Do not operate or stop the
unit by inserting or pulling
out the power plug.
Do not operate with wet
hands or in damp
environment.
Do not allow water to run
into electric parts.
Do not use the socket if it is
loose or damaged.
Do not use the power cord
close to heating appliances.
Do not damage or use an
unspecified power cord.
Do not direct airflow at
room occupants only.
Always install circuit
breaker and a dedicated
power circuit.
Do not open the unit
during operation.
Do not use the power cord near
flammable gas or combustibles, such
as gasoline, benzene, thinner, etc.
Do not disassemble or modify unit.
!
!
!
!
!
WARNING
!
1
!

!
CAUTION
When the air filter is to be
removed, do not touch the
metal parts of the unit.
It may cause an injury.
Do not clean unit when
power is on as it may cause
fire and electric shock, it may
cause an injury.
Operation with windows
opened may cause wetting
of indoor and soaking of
household furniture.
When the unit is to be
cleaned, switch off, and turn
off the circuit breaker.
Stop operation and close
the window in storm or
hurricane.
Use caution when unpacking and
installing. Sharp edges could cause injury.
Do not clean the air
conditioner with water.
Water may enter the unit and
degrade the insulation. It may
cause an electric shock.
This could injure the pet or
plant.
Failue to do so may cause
electric shock and damage.
Do not put a pet or house
plant where it will be
exposed to direct air flow.
Hold the plug by the head
of the power plug when
taking it out.
Ventilate the room well when
used together with a stove,
etc.
An oxygen shortage may occur.
Do not use this air conditioner to
preserve precision devices, food,
pets, plants, and art objects.
It may cause deterioration of
quality, etc.
It may cause failure of product
or fire.
Do not use for special
purposes.
Turn off the main power
switch when not sing the
unit for a long time.
u
If water enters the unit, turn the unit off at the power
outlet and switch off the circuit breaker. Isolate
supply by taking the power-plug out and contact a
qualified service technician.
!
!
!
!
!
!
!
It may cause failure of
appliance or accident.
Appearance may be
deteriorated due to change
of product color or
scratching of its surface.
Do not place obstacles
around air-inlets or inside
of air-outlet.
Do not use strong detergent
such as wax or thinner. Use
a soft cloth for cleaning.
If bracket is damaged, there
is concern of damage due to
falling of unit.
There is danger of fire or
electric shock.
Ensure that the installation bracket of
the outdoor appliance is not damaged
due to prolonged exposure.
Do not place heavy object on the
power cord and take care so that
the cord is not compressed.
Operation without filters may
cause failure.
It contains contaminants and
could make you sick.
Always insert the filters
securely. Clean filter once
every two weeks.
Do not drink water drained
from air conditioner.
!
!
2

Prior to Operation
Usage
Cleaning and maintenance
ServiceService
1. Contact an installation specialist for installation.
2. Make sure the unit is grounded efficiently.
3. Do not use a damaged or non-standard power cord.
4. Do not share the same outlet with other appliances.
5. Do not use an extension cord.
6. Do not start/stop operation by shutting off the power supply.
1. Exposure 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. Due to the possibility of oxygen deficiency, ventilate the room when used
together with stoves or other heating devices.
3. Do not use this air conditioner for non-specified special purposes (e.g.
Preserving precision devices, food, pets, plants, and art objects). Usage in
such a manner could harm such property.
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 circuit breaker
are turned off.
For repair and maintenance, contact your authorised service dealer.
3
Operating temperature
Mode
Cooling operation
Heating operation
Drying operation
Temperature
1. If air conditioner is used outside of the above conditions, certain safety protection
features may come into operation and cause the unit to function abnormally.
2. Room relative humidity less than 80%. If the air conditioner operates in excess of this
figure, the surface of the air conditioner may attract condensation. Please sets the vertical
air flow louver to its maximum angle (vertically to the floor), and set HIGH fan mode.
3. Optimum performance will be achieved within these operating temperature.
Room temperature
Outdoor temperature
17 C 32 C
18 C 43 C
17 C 30 C
-7 C 24 C
17 C 32 C
18 C 43 C
~
CAUTION:
~
~
~
~
~

PARTS NAMES
4
Function indicators on indoor unit display panel
This indicator illuminates when the air conditioner is in AUTO operation.
AUTO indicator
DEFROST indicator (For Cooling & Heating models only)
This indicator illuminates when the air conditioner starts defrosting automatically or
when the warm air control feature is activated in heating operation.
The operation indicator lights flash rapidly
(five times per second.) when safety protection
features come into operation.
Note:
All the pictures in this manual are for explanation
purpose only. They may be slightly different from
the air conditioner you purchased(depend on model).
The actual shape shall prevail.
4
3
5
2
6
1
10
9
12
13
11
78
Indoor unit
Outdoor unit
1. Front panel
2. Air inlet
3. Air filter
4. Air outlet
5.
6.
7. Display panel
8. Remote controller signal receiver
9. Remote controller
10. Manual control button
Horizontal air flow grille
Vertical air flow louver
11. Connecting pipe, drain hose
12. Air inlet (side and rear)
13. Air outlet
Indoor unit
Outdoor unit
122 345
1
22
3
4
Displays the temperature settings when the air conditioner is operational.
This indicator flashes after power is on and illuminates when the unit is in operation.
This indicator illuminates when TIMER is set ON/OFF.
OPERATION indicator
TIMER indicator
TEMPERATURE indicator
5
DEFROST TIMER
AUTO OPERATION
Signal receptor
(C
)
TEMP
AUTO
COOL
DRY
HEAT
FAN
HIGH
MED
LOW
MODEFANSPEED
TIMERON
SLEEP
ON/OFF
TIMEROFF
AIR
DIRECTION
RESETLOCK
SETTEMPERATURE
SWING
LED
DISPLAYTURBO
Signal receptor
122 345
AUTO DEFROST
TIMEROPERATION
The display panel of indoor unit will look like one of the following pictures:

MANUAL OPERATION
Manul operation can be used temporarily in case you can not find the remote controller or
its batteries are exhausted.
To achieve optimal performance, please note the following:
Adjust the air flow direction correctly so that it is not directed on people.
Adjust the temperature to achieve the highest comfort level. Do not adjust the unit to
excessive temperature levels.
Close doors and windows on COOL or HEAT modes, or performance may be reduced.
Use TIMER ON button on the remote controller to select a time you want to start your
air conditioner.
OPTIMAL OPERATION
5
Manual control
button
Panel
AUTO/COOL
Open and lift the front panel up to an angle until
it remains fixed with a clicking sound.
One press of the manual control button will lead
to the forced AUTO operation.
Close the panel firmly to its original position.
Once you push the manual button, the operation
mode is shifted in an order as: AUTO, COOL, OFF.
Push the button twice, the unit will operate in
forced COOL mode. This is used for testing
purposes only .
Third press will stop the operation and turn off
the air conditioner operation.
To restore the remote controller operation, use
the remote controller directly.
CAUTION:
1
3
2
Do not put any object near air inlet or air outlet, as the efficiency of the air conditioner
may be reduced and the air conditioner may stop running.
Clean the air filter periodically, otherwise cooling or heating performance may be reduced.
Do not operate unit with horizontal louvre in closed position.

ADJUSTING AIR FLOW DIRECTION
Adjust the air flow direction properly otherwise, it might
cause discomfort or cause uneven room temperatures.
Adjust the horizontal louver using the remote controller.
Adjust the vertical louver manually.
The air conditioner automatically adjusts the vertical air
flow direction in accordance with the operating mode.
Perform this function while the unit is in operation.
Keep pressing the AIR DIRECTION button on the remote
controller to move the louver to the desired direction.
Adjust the vertical air flow direction to the desired direction.
In subsequent operations, the vertical air flow is
automatically set in the direction to which you adjusted
the louver by pressing the AIR DIRECTION button.
Adjusting the Vertical Air Flow Direction (up - down)
To set the vertical air flow direction
Adjust the vertical louver manually using the lever on the
left or right side of the vertical louver arm (Depending on
model). Take care not to catch fingers on the fan, horizontal
louver or to damage vertical louvers. When the air
conditioner is in operation and the horizontal louver is in
a specific position, move the lever at left (or right, depending
on model) end of the air outlet to the desired position.
Perform this function while the air conditioner is in operation.
Press the SWING button on the remote controller.
To stop the function, press the SWING button again.
Press AIR DIRECTION button to lock louver in desired
position.
To set the horizontal air flow direction (left - right)
To automatically swing the air flow direction (up - down)
6
(C
)
TEMP
AUTO
COOL
DRY
HEAT
FAN
HIGH
MED
LOW
MODEFANSPEED
TIMERON
SLEEP
ON/OFF
TIMEROFF
AIR
DIRECTION
RESETLOCK
SETTEMPERATURE
SWING
LED
DISPLAYTURBO
Lever

The AIR DIRECTION and SWING buttons will be disabled when the air conditioner is not in
operation (including when the TIMER is set).
Do not operate the air conditioner for long periods the air flow direction set downward
in cooling or dry mode. Otherwise, may occur on the surface of the horizontal
louver causing moisture to drop on to the floor or on furnishings.
Do not move the horizontal louver manually. Always use the AIR DIRECTION or SWING
button. If you move this louver manually, it may malfunction during operation. If the louver
malfunctions, stop the airconditioner once and restart it.
When the air conditioner is started immediately after it was stopped, the horizontal louver
might not move for approximately 10 seconds.
Open angle of the horizontal louver should not be set too small, as COOLING or HEATING
performance may be impaired due to too restricted air flow area.
Do not operate unit with horizontal louver in closed position.
When the air conditioner is connected to power (initial power), the horizontal louver may
generate a sound for 10 seconds, this is a normal operation.
ON
with
condensation
CAUTION
!
7
AUTOMATIC OPERATION
SLEEP OPERATION
DRYING OPERATION
When you set the air conditioner in AUTO mode, it will
automatically select cooling, heating(cooling/heating
models only), or fan only operation depending on what
temperature you have selected and the room temperature.
The air conditioner will control room temperature
automatically round the temperature point set by you.
If the AUTO mode is uncomfortable, you can select
desired conditions manually.
When you push SLEEP button during cooling, heating
(cooling only type without),or AUTO operation ,
The dry mode will automatically select the drying
operation based on the difference between the set
temperature and the actual room temperature.
The temperature is regulated while dehumidifying by
repeating turning on and off of the cooling operation or
only. The fan speed is LOW.
the air
conditioner will automatically increase (cooling) or
decrease (heating) 1 per hour. The set temperature
will be steady 2 hours later. The fan speed will be
automatically controlled .
Note: The unit will be automatically turned off after 7
hours when on SLEEP operation.
fan
Cooling Cooling
Time
DRYING operation
Room
temperature
set temperature
Cooling
Fan only
Fan only
HOW THE AIR CONDITIONER WORKS
Press Sleep button
1
1
1 hour
1 hour
Set
Temperature
Cooling
Press Sleep button
1
1
1 hour 1 hour
Set
Temperature
Heating

Cleaning the indoor unit and remote
controller
Cleaning the air filter
A clogged air filter reduces the cooling efficiency of this
unit. Please clean the filter once every 2 weeks.
1. Lift the indoor unit panel up to an angle until it stops
with a clicking sound.
2. Take hold of the handle of the air filter and lift it up
slightly to take it out from the filter holder, then
pull it downwards.
It is necessary to stop the air conditioner and dis-
connect the power supply before cleaning.
WARNING
MAINTENANCE
Filter Handle
Thinner
8
Use a dry cloth to wipe the indoor unit and
controller.
A cloth dampened with cold water may be used
the indoor unit if it is very dirty.
The front panel of the indoor unit can be removed
and cleaned with water. Then wipe it with a dry cloth.
remote
on
Do not use a chemically treated cloth or duster to
clean the unit.
Do not use benzine, thinner, polishing powder, or
similar solvents for cleaning. These may cause
the plastic surface to crack or deform.
CAUTIONS
No
Household
Drain
Cleaner
3. Remove the AIR FILTER from the indoor unit.
Clean the AIR FILTER once two weeks.
Clean the AIR FILTER with a vacuum cleaner
or water, then dry it up in cool place.

4. Remove the Electrostatic Filter from its support frame
as shown in the Figure on the left (Not applicable to
the units without electrostatic filter).
Do not touch this Electrostatic Filter within 10
minutes after opening the inlet grille, it may
cause an electric shock.
Clean the Electrostatic Filter with mild detergent or
water and dry in the sunlight for two hours.
Before re-install the Electrostatic Filter, check whether
the corona line or support frame is damaged or not.
5. Install the air freshening filter back into position.
6. Insert the upper portion of air filter back into the unit
taking care that the left and right edges line up
correctly and place filter into position.
9
Electrostatic
Filter
Maintenance
Checks before operation
If you plan to idle the unit for a long time, perform the
following:
(1) Operate the fan for about half a day to dry the
inside of the unit.
(2) Stop the air conditioner and disconnect power.
(3) The outdoor unit requires periodic maintenance
and cleaning. Do not attempt to do this yourself.
Contact your dealer or servicer.
Remove the batteries from the remote controller.
Check that the wiring is not broken off or disconnected.
Check that the air filter is installed.
Check if the air outlet or inlet is blocked after the
air conditioner has not been used for a long time.
CAUTIONS
Do not touch the metal parts of the unit when
removing the filter. Injuries can occur when
handling sharp metal edges.
Do not use water to clean inside the air conditioner.
Exposure to water can destroy the insulation,
leading to possible electric shock.
When cleaning the unit, first make sure that the
power and circuit breaker are turned off.

OPERATION TIPS
The following events may occur during normal operation.
1.
Compressor protection
The compressor can't restart for 3 minutes after it stops.
The indoor or outdoor fan stop running when defrosting (Cooling and heating models only).
only
from building material,
Protection of the air conditioner.
Anti-cold air (Cooling and heating models only)
The unit is designed not to blow cold air on HEAT mode, when the indoor heat exchanger is in
one of the following three situations and the set temperature has not been reached.
A) When heating has just starting.
B) Defrosting.
C) Low temperature heating.
Defrosting (Cooling and heating models )
Frost may be generated on the outdoor unit during heat cycle when outdoor temperature is low
and humidity is high resulting in lower heating efficiency of the air conditioner.
During this condition air conditioner will stop heating operation and start defrosting automatically.
The time to defrost may vary from 4 to 10 minutes according to the outdoor temperature and
the amount of frost buildup on the outdoor unit.
2.
A white mist may generate due to a large temperature difference between air inlet and air outlet
on COOL mode in an indoor environment that has a high relative humidity.
A white mist may generate due to moisture generated from defrosting process when the air
conditioner restarts in HEAT mode operation after defrosting.
3.
You may hear a low hissing sound when the compressor is running or has just stopped running.
This sound is the sound of the refrigerant flowing or coming to a stop.
You can also hear a low "squeak" sound when the compressor is running or has just stopped
running. This is caused by heat expansion and cold contraction of the plastic parts in the unit
when the temperature is changing.
A noise may be heard due to louver restoring to its original position when power is first turned on.
4.
This is a normal condition when the air conditioner has not been used for a long time or during first
use of the unit.
5.
This is caused by the indoor unit giving off smells permeated from furniture,
or smoke.
A white mist coming out from the indoor unit
Low noise of the air conditioner
Dust is blown out from the indoor unit.
A peculiar smell comes out from the indoor unit.
10
6.
When indoor temperature reaches the temperature setting on air conditioner, the compressor will
stop automatically, and the air conditioner turns to FAN only mode. The compressor will start again
when the indoor temperature rises on COOL mode or falls on HEAT mode (For cooling and heating
models only) to the set point.
The air conditioner turns to FAN only mode from COOL or HEAT (For cooling and
heating models only) mode.

11
7. Dripping water may generate on the surface of the indoor unit when cooling in a high
relatively humidity (relative humidity higher than 80%). Adjust the horizontal louver to
the maximum air outlet position and select HIGH fan speed.
by the air
8.
The air conditioner draws in heat from the outdoor unit and releases it via the indoor unit
during heating operation. When the outdoor temperature falls, heat drawn in by the air
conditioner decreases accordingly. At the same time, heat loading of the air conditioner
increases due to larger difference between indoor and outdoor temperature. If a
comfortable temperature can't be achieved conditioner, we suggest you use a
supplementary heating device.
9.
Power failure during operation will stop the unit completely.
For the unit without Auto-restart feature, when the power restores, the OPERATION indicator
on the indoor unit starts flashing. To restart the operation, push the ON/OFF button on the
remote controller. For the unit with Auto-restart feature, when the power restores, the unit
restarts automatically with all the previous settings preserved by the memory function.
10. Lightning or a car wireless telephone operating nearby may cause the unit to malfunction.
Disconnect the unit with power and then re-connect the unit with power again. Push the
ON/OFF button on the remote controller to restart operation.
Heating mode (For cooling and heating models only)
Auto-restart function

Troubleshooting tips
12
Malfunctions and Solutions
Stop the air conditioner immediately if one of the following faults occur. Disconnect the power
and contact the nearest customer service center.
OPERATION indicator or other indicators flash rapidly(5 times every second) and
this flash cannot be fixed by disconnecting the power, and then connect it again.
Fuse blows frequently or circuit breaker trips frequently.
Other objects or water penetrate the air conditioner.
The remote controller won't work or works abnormally.
Other abnormal situations.
Trouble
Malfunctions
Unit does not
start
Unit not cooling
or heating
(Cooling/ heating
models only)
room very well
while air flowing
out from the air
cond tioneri
Cause
Power cut
Unit may have become unplugged.
Fuse may have blown.
Battery in Remote controller may
have been exhausted.
The time you have set with timer
is incorrect.
Wait for power to be restored.
Check that plug is securely in wall
receptacle.
Replace the fuse.
Replace the battery.
Wait or cancel timer setting.
Set temperature correctly. For
detailed method please refer to
""Using remote control section.
Clean the air filter.
Close the doors or windows.
Clear obstructions away first, then
restart the unit.
Wait.
Inappropriate temperature
setting.
Air filter is blocked.
Doors or Windows are open.
Air inlet or outlet of indoor or
outdoor unit has been blocked.
Compressor 3 minutes
protection has been activated.
If the trouble has not been corrected, please contact a local dealer or the nearest customer
service center. Be sure to inform them of the detailed malfunctions and unit model.
Notes: Do not attempt to repair the unit yourself.
Always consult an authorised service provider.
What should be done?

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ABOUT THIS MANUAL
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