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6

Do not place heavy object
on the power cord and take
care so that the cord should
not be pressed.

• There is danger of fire or

electric shock.

If water enters the product,
turn off the the power switch
of the main body of appliance.
Contact service center after
taking the power-plug out
from the socket.

Do not clean the air
conditioner with water.

• Water may enter the unit and

degrade the insulation. It may
cause an electric shock.

Turn off the power and
breaker firstly when
cleansing the unit.

• Since the fan rotates at high

speed during operation, it
may cause injury.

Do not put a pet or house
plant where it will be
exposed to direct air flow.

• This could injure the pet or

plant.

Do not use this appliance
for special purposes such
as pets, foods, precision
machinery, or objects of art.

• It is an air conditioner, not a

precision refrigeration system.

Always insert the filter
securely.
Clean it every two weeks.

• Operation without filters will

cause failure.

Use a soft cloth to clean. Do
not use wax, thinner, or a
strong detergent.

• The appearance of the air

conditioner may deteriorate,
change color, or develop
surface flaws.

Do not drink water drained
from air conditioner. / Do
not direct airflow at room
occupants only.

• It contains containments and

will make you sick. / This
could damage your health.

Wa

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Summary of Contents for LW1004ER, LW1204ER, LW1404ER,

Page 1: ...his manual It contains valuable information about your air conditioner This manual may help save time and money by explaining proper air conditioner maintenance and preventing improper use PRECAUTIONS Pay close attention to precautions in order to prevent potential hazards and damage from misuse or improper installation LG is not responsible for any damages caused by misuse of the air conditioner ...

Page 2: ...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 ensu...

Page 3: ...cates the possibility of injury or damage to properties only Meanings of symbols used in this manual are as shown below Be sure not to do Be sure to follow the instruction WARNING Installation Always install the expansion panel s No installation may cause fire and electric shock accident Do not place the power cord near a heater It may cause fire and electric shock Do not use the power cord near f...

Page 4: ...ower cord length It will cause electric shock or fire due to heat generation Do not share the outlet with other appliances It will cause electric shock or fire due to heat generation Always plug into a grounded outlet No grounding may cause electric shock See Installation Manual Unplug the unit if strange sounds odors or smoke come from it Otherwise it may cause fire and electric shock accident Do...

Page 5: ... are sharp and may cause injury Do not block the inlet or outlet It may cause failure of appliance or accident Ensure that the outer case is not damaged by age or wear If leaving appliance damaged there is concern of damage due to the falling of product Be cautious not to touch the sharp edges when installing It may cause injury Hold the plug by the head when taking it out It may cause electric sh...

Page 6: ...t may cause injury Do not put a pet or house plant where it will be exposed to direct air flow This could injure the pet or plant Do not use this appliance for special purposes such as pets foods precision machinery or objects of art It is an air conditioner not a precision refrigeration system Always insert the filter securely Clean it every two weeks Operation without filters will cause failure ...

Page 7: ... electric shock When cleaning the unit first make sure that the power and breaker are turned off The fan rotates at a very high speed during operation There is a possibility of injury if the unit s power is accidentally triggered on while cleaning inner parts of the unit 3 2 1 Service For repair and maintenance contact your authorized service dealer Being exposed to direct airflow for an extended ...

Page 8: ... SPEED COOL INDOOR DESIRED ENERGY SAVER FAN FAN DRY 1 2 3 4 5 6 Power Temp Fan Speed Timer Mode 1 2 3 4 5 8 Remote Control Operations Operating Instructions The remote control and control panel will look like those represented in the following pictures ...

Page 9: ...mote Control Operations Remote Control Operations AUTO RESTART In failure of electric power the unit runs as previous setting operation POWER Operation starts when this button is pressed and stops when you press the button again TEMPERATURE CONTROL The thermostat monitors room temperature to maintain the desired temperature The thermostat can be set between 60 F 86 F 16 C 30 C The unit takes an av...

Page 10: ...ging the direction of the air conditioner s louvers This can also increase the cooling efficiency of the air conditioner Before using the ventilation feature position the vent lever by pulling Part A out straight and snapping it into place NOTICE Adjusting horizontal air flow Adjusting vertical air flow Adjusting Horizontal Air Flow Direction Adjusting the vertical louvers left and right will chan...

Page 11: ... Open the inlet grille by pulling off the exposed door on the top of the unit based on installation Pull the tab slightly to release the filter Pull the filter in the same direction as the opening Clean the filter with warm soapy water The water should be below 40 C 104 F Rinse off and gently shake off excess water from the filter Let it dry before replaceing it 5 4 3 2 1 Drainage The base pan may...

Page 12: ...rain pan You can purchase the drain hose or tubing locally to satisfy your particular needs Drain hose is not supplied 4 3 2 1 The air conditioner employs a proper drain method whereby the condensed water moisture removed from the air is drained to the outside In very humid weather and for reverse cycle models in the reverse mode excessive condensate water removed from the air may cause some water...

Page 13: ...12 BASE PAN 13 BRACE 14 CONDENSER 15 REMOTE CONTROLLER Installing the Power cord You can choose between two methods below according to your window stool shape and preference Fasten the stopper using 2 screw holes and lead out the power cord through slit A Fasten the stopper using left screw hole and rotate properly to lead the power cord out through slit B Using slit A Using slit B CAUTION This ap...

Page 14: ...enser Restriction of outside air will greatly reduce the cooling efficiency of the air conditioner Install the unit a little slanted so the back is slightly lower than the front about 1 2 This will force condensed water to flow to the outside Install the unit with the bottom about 30 60 above the floor level 5 4 3 2 1 Window Requirements All supporting parts should be secured to firm wood masonry ...

Page 15: ...condenser Restriction of outside air will greatly reduce the cooling efficiency of the air conditioner Install the unit a little slanted so the back is slightly lower than the front about 1 2 This will force condensed water to flow to the outside Install the unit with the bottom about 30 60 above the floor level 5 4 3 2 1 Window Requirements All supporting parts should be secured to firm wood maso...

Page 16: ...tly reduce the cooling efficiency of the air conditioner Install the unit a little slanted so the back is slightly lower than the front about 1 2 This will force condensed water to flow to the outside Install the unit with the bottom about 30 60 above the floor level 5 4 3 2 1 Window Requirements All supporting parts should be secured to firm wood masonry or metal This unit is designed for install...

Page 17: ... and at the back Slide the unit from the cabinet by gripping the base pan handle and pulling forward while bracing the cabinet Cut the window sash seal to the proper length Peel off the backing and attach the Foam PE to the underside of the window sash Remove the backing from the top upper guide Foam PE and attach it to the bottom of the Upper Guide Attach the upper guide onto the top of the cabin...

Page 18: ...tom front with the center line marked in the window stool Pull the bottom window sash down behind the Upper Guide until it meets Do not pull the window sash down tightly that the movement of Frame Curtain is restricted Loosely assemble the Sill Support using the parts in Fig 3 Select the position that will place the Sill Support near the outer most point on sill See Fig 4 Be careful when you insta...

Page 19: ...ngth 16mm 5 8 inch and below through the front angle into window stool Pull each Frame Curtain fully to each window sash track and repeat step 2 Attach each Frame Curtain the window sash using screws Type C See Fig 6 Slide the unit into the cabinet See Fig 7 Cut the Foam Strip to the proper length and insert between the upper window sash and the lower window sash See Fig 8 11 10 9 8 7 6 CAUTION Do...

Page 20: ...ting the tabs on the grille into the tabs on the front of the cabinet Push the grille in until it snaps into place See Fig 10 Pull down the inlet grille and secure it with a Type A screw through the front grille See Fig 11 Window installation of room air conditioner is now completed See ELECTRICAL DATA for attaching power cord to electrical outlet 15 14 13 12 ...

Page 21: ...14 FOAM PE 1 15 FRAME GUIDE 2 PREPARATION OF CHASSIS Remove the screws which fasten the cabinet at both sides and at the back Slide the unit from the cabinet by gripping the base pan handle and pulling forward while bracing the cabinet Cut the window sash seal to the proper length Peel off the backing and attach the Foam Seal to the underside of the window sash Remove the backing from the top uppe...

Page 22: ...on the window stool and align the center mark on the bottom front with the center line marked window stool Using the M screw and the lock nut attach the support bracket to the cabinet track hole Use the first track hole after the sill bracket on the outer edge of the window sill Tighten the carriage bolt and the lock nut Be sure the cabinet slants outward Pull the bottom window sash down behind th...

Page 23: ...indow sash track and pull the bottom window sash down behind the Top retainer bar until it meets Attach each Frame curtain the window sash by using screws Type C See Fig 17 Slide the unit into the cabinet See Fig 18 Cut the Foam strip to the proper length and insert between the upper window sash and the lower window sash See Fig 19 Attach the Window locking bracket with a screw Type C See Fig 20 9...

Page 24: ...of the cabinet Push the grille in until it snaps into place See Fig 21 Lift the inlet grille and secure it with a screw Type A through the front grille See Fig 21 Window installation of room air conditioner is now completed See ELECTRICAL DATA for attaching power cord to electrical outlet 12 11 10 Electrical Data Electrical Data LW1804ER MODEL Use of extension cords Because of potential safety haz...

Page 25: ... 23 The large slot in the adapter must be aligned with the large slot in the receptacle to assure a proper polarity connection Disconnect the power cord from the adapter using one hand on each Otherwise the adapter ground terminal might break DO NOT USE the appliance with a broken adapter plug B SITUATIONS WHEN THE APPLIANCE WILL BE DISCONNECTED OFTEN Do not use an adapter plug in these situations...

Page 26: ...ircuit checked by a qualified electrician to make sure the receptacle is properly grounded DO NOT CUT OR REMOVE THE THIRD GROUND PRONG FROM THE POWER PLUG FUSE Use a time delay fuse or circuit breaker Refer to serial plate for proper power supply requirements 230 208 and 230 208 VOLT UNITS These units are equipped with a three prong grounding plug on the power supply cord which must be plugged int...

Page 27: ...conditioner was just turned on Cold air is escaping Cooling coils are iced up The cooling coils are iced over Make sure the plug is completely plugged into the outlet Check the fuse circuit breaker box and replace the fuse or reset the breaker In the event of a power failure set the power control to OFF When the power is restored wait 3 minutes to restart the air conditioner to prevent the compres...

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