website http://www.lgservice.com
LG
Ceiling Cassette
Air Conditioner
OWNER'S MANUAL
Prior to installation, this air-conditioning unit must be submitted for approval by the utility service which provides electricity (EN 61000-2, EN 61000-3 Norm).
IMPORTANT
•Please read this owner's manual carefully and thoroughly before installing and operating your room air conditioner.
•Please retain this owner's manual for future reference after reading it thoroughly.
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Ceiling Cassette Air Conditioner Owner’s Manual
TABLE OF CONTENTS
Safety Precautions......................... |
3 |
Prior to Operation .......................... |
8 |
Introduction .................................... |
9 |
Electrical Safety ........................... |
10 |
Operating Instructions................. |
11 |
Maintenance and Service ............ |
30 |
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.
2 Ceiling Cassette Air Conditioner
Safety Precautions
Safety Precautions
To prevent injury to 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.
■ Meanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
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■ 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.
Install the panel and the cover of control box securely.
• 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 install a dedicated circuit and breaker.
Always ground the product.
•There is risk of fire or electric shock.
Use the correctly rated breaker or fuse.
• Improper wiring or installation |
• There is risk of fire or electric |
may cause fire or electric shock |
shock. |
Owner's Manual 3
Safety Precautions
Do not modify or extend the power cable.
Do not install, remove, or |
Be cautious when unpacking |
re-install the unit by yourself |
and installing the product. |
(customer). |
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•There is risk of fire or electric shock.
•There is risk of fire, electric shock, explosion, or injury.
•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.
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.
Do not plug or unplug the power supply plug during operation.
•There is risk of fire or electric shock.
■ Operation
Take care to ensure that power |
Do not place anything on |
cable could not be pulled out or |
the power cable. |
damaged during operation. |
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• There is risk of fire or electric |
• There is risk of fire or electric |
shock. |
shock. |
Do not touch(operate) the product with wet hands.
•There is risk of fire or electrical shock.
4 Ceiling Cassette Air Conditioner
Safety Precautions
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 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.
Gasolin
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
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.
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.
When the product is soaked (flooded or submerged), contact an Authorized Service Center.
•There is risk of fire or electric shock.
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.
Be cautious that water could not enter the product.
•There is risk of fire, electric shock, or product damage.
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Ventilate the product from time to time when operating it together with a stove, etc.
• 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.
Owner's Manual 5
Safety Precautions
When the product is not be used for a long time, disconnect the power supply plug or turn 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.
•This could result in personal injury and product damage.
hose to |
Keep level even when |
is drained |
installing the product. |
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may cause |
• To avoid vibration or water |
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leakage. |
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90° |
people to |
Do not install the product |
the |
where it will be exposed to sea |
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wind (salt spray) directly. |
injury. |
• It may cause corrosion on the |
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product. Corrosion, particularly on |
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the condenser and evaporator fins, |
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could cause product malfunction or |
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inefficient operation. |
Do not expose the skin directly to cool air for long periods of time.
(Don't sit in the draft.)
• This could harm to 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.
6 Ceiling Cassette Air Conditioner
Do not block the inlet or |
Use a soft |
outlet of air flow. |
Do not use |
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detergents, |
• It may cause product failure. |
• There is risk of |
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or damage to the |
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the product. |
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Do not step on or put anyting on the product. (outdoor units)
•There is risk of personal injury and failure of product.
Do not drink the water drained from the product.
•It is not sanitary and could cause serious health issues.
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.
Use a firm stool or ladder when cleaning or maintaining the product.
•Be careful and avoid personal injury.
Do not insert hands or other objects through the air inlet or outlet while the product is operated.
•There are sharp and moving parts that could cause personal injury.
Replace the all batteries in the remote control with new ones of the same type. Do not mix old and new batteries or different types of batteries.
• 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.
Owner's Manual 7
Prior to Operation
Prior to Operation
Preparingforoperation
1.Contact an installation specialist for installation.
2.Plug in the power plug properly.
3.Use a dedicated circuit.
4.Do not use an extension cord.
5.Do not start/stop operation by plugging/unplugging the power cord.
6.If the cord/plug is damaged, replace it with only an authorized replacement part.
Usage
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.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). Such usage could damage the items.
Cleaningandmaintenance
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. 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.
Service
For repair and maintenance, contact your authorized service dealer.
8 Ceiling Cassette Air Conditioner
Introduction
Introduction
SymbolsusedinthisManual
This symbol alerts you to the risk of electric shock.
This symbol alerts you to hazards that could cause harm to the air conditioner.
NOTICE This symbol indicates special notes.
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Features
WARNING: This appliance should be installed in accordance with national wiring regulations. This guide acts as a guide to help to explain product features.
Heat Pump Model
Anti-bacteria
Signal Receptor
Air
Intake |
Cooling Model |
Air Outlet |
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Remote |
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Controller |
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Signal Receptor |
Owner's Manual 9
Electrical Safety
Electrical Safety
WARNING: This appliance must be properly grounded.
To minimize the risk of electric shock, you must alway plug into a grounded oulet.
Preferred method
Ensure proper ground exists before use
WARNING: Do not cut or remove the grounding prong from the power wire.
WARNING: Attaching the adapter ground terminal to the wall receptacle cover screw does not ground the appliance unless the cover screw is metal and not insulated, and the wall receptacle is grounded through the house wiring.
WARNING: If you have any doubt whether the air conditioner is properly grounded, have the wall receptacle and circuit checked by a qualified electrician.
10 Ceiling Cassette Air Conditioner
Operating Instructions
Operating Instructions
IndoorUnit,OutdoorUnit
Indoor Unit
Heat Pump Model
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Anti-bacteria
Air
Intake
Air Outlet
Remote
Controller
Signal Receptor
Receives the signals from the remote control.
(Signal receiving sound: two short beeps or one long beep.)
Signal Receptor
Cooling Model
Signal Receptor
Operation Indication Lamps
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On/Off |
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Filter Sign |
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operating unit. (Refer to page 28.) |
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Timer |
: Lights up during Timer operation. |
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Defrost Mode |
: Lights up during Defrost Mode or Hot Start operation. |
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Outdoor Unit |
: Lights up during outdoor unit operation. |
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Operation |
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Forced |
: Operation procedures when the remote control |
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Operation |
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Owner's Manual 11
Operating Instructions
NameandFunctionofRemoteController
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OPERATION |
SET TEMP |
FAN SPEED |
SUB FUNCTION |
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Heater |
Preheat |
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Defrost |
Humidify |
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SLo |
Filter |
Out door |
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2ndF |
Time |
ZONE |
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Operation unit |
No Func |
Program set |
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Timer Cancel 2ndF
Program Week Holiday
PLASMA
Set/Clr
RESET
Hour Min
1.Operation indication screen
2.Swirl button
3.2nd F button
4.Timer set/cancel Program/Week/Holiday
5Hour/Min/SET/Clr/Ventilator
65. Set temperature button
76. ON/OFF button
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7. |
Fan operation |
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Operation mode selection button |
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109. Fan speed button
1110. Horizontal/Vertical air flow
12direction button
1311. Room temperatur/filtersign release button
12.Plasma/Heater button
13.Time reset button
14.Operation lamp
12 Ceiling Cassette Air Conditioner
Operating Instructions
WirelessRemoteController(optional)
This air-conditioner is equipped with wired remote controller basically. But if you want to be available with wireless remote controller, you pay for it.
Signal transmitter
5 1 6
3
1.START/STOP BUTTON
Operation starts when this button is pressed and stops when the button is pressed again.
2.OPERATION MODE SELECTION BUTTON
Used to select the operation mode.
3.ROOM TEMPERATURE SETTING BUTTONS
Used to select the room temperature.
4.INDOOR FAN SPEED SELECTOR
Used to select fan speed in four steps low, medium, high and CHAOS.
5.JET COOL
Used to start or stop the speed cooling/heating. (Speed cooling/heating operates super high fan speed.)
6.CHAOS SWING BUTTON
Used to stop or start louver movement and set the desired up/down airflow direction.
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CANCEL |
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7. ON/OFF TIMER BUTTONS |
Used to set the time of starting and stopping operation. |
98. TIME SETTING BUTTONS
Used to adjust the time.
12 9. TIMER SET/CANCEL BUTTON
Used to set the timer when the desired time is obtained and to cancel the Timer operation.
10. SLEEP MODE AUTO BUTTON
15Used to set Sleep Mode Auto operation.
11.AIR CIRCULATION BUTTON
Used to circulate the room air without cooling or heating.
12. ROOM TEMPERATURE CHECKING BUTTON
Used to check the room temperature.
Flip-up door |
13. PLASMA(OPTIONAL) |
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14.RESET BUTTON
Initialize remote controller.
15.2nd F Button
Used prior to using modes printed in blue at the bottom of buttons.
The wireless remote controller does not operate the swirl mode and super low fan speed.
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CAUTION:of handling the Remote Controller
•Aim at the signal receiver on the wired remote controller so as to operate.
•The remote control signal can be received at a distance of up to about 7m.
•Be sure that there are no obstructions between the remote controller and the signal receptor.
•Do not drop or throw the remote controller.
•Do not place the remote controller in a location exposed to direct sunlight, or near the heating unit, or any other heat source.
•Block a strong light over the signal receptor with a curtain or etc. so as to prevent the abnormal operation. (ex:electronic quick start, ELBA, inverter type fluorescent lamp)
Owner's Manual 13
Operating Instructions
SettheCurrentTimeandadayoftheWeek
1 |
Press the ' |
' button. |
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Hour
Each time the button is pressed, the number is changed from 00 to 23.
You can set the number of the current hour.
AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION
Time
2 |
Press the ' |
' button. |
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Min
Each time the button is pressed, the number is increased from 00 to 59.
You can set the number of the current minute.
AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION
Time
3 Press ' Week ' button.
Each time the button is pressed, a day of the week is shifted from sunday to saturday. You can set the day of the week.
Week |
AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION |
Time
4 Press the ' RESET ' button.
If you want to reset the current time and a day of the week, click the Reset button.
AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION
RESET
14 Ceiling Cassette Air Conditioner
Operating Instructions
WeeklyProgramSetting
Press the Program button. |
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Program set |
', ' |
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OPERATION |
SET TEMP |
FAN SPEED |
SUB FUNCTION |
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Time 01 |
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05 |
07 |
09 |
11 |
13 |
15 |
17 |
19 |
21 |
23 |
Week |
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Press the ' |
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2 Select the Monday. |
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Week |
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OPERATION |
SET TEMP |
FAN SPEED |
SUB FUNCTION |
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09 |
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3 Change the timer setting until the desired time is set. After you select a time, push the SET/CLR button once or one more time.
For Example if the air-conditioner is turned on from 6 to 8 and from 13 to 22 and turned off at other time monday, display is as follows. (black bar indicates turn-on, white bar indicates turn-off.)
If you follow the above procedure, you can set timer for turning or and off in all of the week.
SET/CLR
AUTO SWING |
OPERATION |
SET TEMP |
FAN SPEED |
SUB FUNCTION |
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4 If you don't set the weekly program again after setting the weekly program, it is same the previous setting. If you want to keep the weekly program for only a week follow the next procedure.
1)Press the "CANCEL" button and "SET/CLR" button simultaneously. Then the display will be toggled like befor.
AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION |
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AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION |
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2)Detach your finger from buttons at the moment that it is displayed the figure. Then the weekly program is kept for only one week.
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Owner's Manual 15
Operating Instructions
HolidaySetting
If Tuesday is a holiday in this week, you may set a holiday.
AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION
Program
Press the Program button.
Week
Press the Week button. Select the Tuesday.
Program set
Time |
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SET TEMP |
FAN SPEED |
SUB FUNCTION |
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Holiday
Press the Holiday button.
Then the remote controller will be displayed ' '. The outside rectangular means holiday.
You cannot set the weekly program for a holiday.
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AUTO SWING |
OPERATION |
SET TEMP |
FAN SPEED |
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TimerSetting(Delaystart/Pre-setstop)
This function is used to turn on or turn off after several hours.
Cancel
Press the Timer button to turn Timer on or off.
Change the timer setting until the desired time is set.
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If you want to cancel the timer setting, press the Cancel button. |
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AUTO SWING |
OPERATION |
SET TEMP |
FAN SPEED |
SUB FUNCTION |
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• When the air conditioner is turned off, the air conditioner |
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is turned on after 8 hours. |
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Timer |
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On |
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Time 01 |
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AUTO SWING |
OPERATION |
SET TEMP |
FAN SPEED |
SUB FUNCTION |
•When the air conditioner is turned on, the air conditioner is turned off after 5 hours.
Timer
Off
Time |
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Self-diagnosisFunction
' CH' will flash in the remote controller display when a problem occurs. Then please contact your dealer.
16 Ceiling Cassette Air Conditioner
Operating Instructions
OperationMode
Cooling Mode |
Cooling Mode |
Soft Dry Mode |
Soft Dry Mode |
Heating Mode |
Auto Mode |
(Cooling Model)
Auto Mode
(Heat Pump Model)
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OperationProcedure
1st |
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On/Off Button |
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2nd Operation Mode Selection Button
3rd Room Temperature Setting Button
4th Indoor Fan Speed Selection Button
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AUTO SWING |
OPERATION |
SET TEMP |
FAN SPEED |
SUB FUNCTION |
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Room Temp |
HI |
AUTO |
Heater |
Preheat |
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MED |
JET |
Defrost |
Humidify |
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LO |
SLo |
Filter |
Out door |
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2ndF |
Time |
ZONE |
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1 2 3 4 |
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Timer |
Operation unit |
No Func |
Program set |
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On Off |
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Set no. Time |
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Timer Cancel 2ndF
Program Week Holiday
PLASMA
Set/Clr
RESET
Hour Min
3
1
2
4
Owner's Manual 17
Operating Instructions
CoolingOperationMode
1 Press the On/Off Button.
2 Select Cooling Operation.
Press the Operation Mode Selection Button.
Each time the button is pressed, the operation mode is shifted in the arrow direction.
HEAT PUMP MODEL
Cooling Operation |
Soft Dry Operation |
Heating Operation |
Auto Operation |
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COOLING MODEL |
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Operation Display |
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AUTO SWING OPERATION SET TEMP FAN SPEED |
SUB FUNCTION |
AUTO SWING OPERATION SET TEMP |
FAN SPEED SUB FUNCTION |
AUTO SWING OPERATION |
SET TEMP FAN SPEED SUB FUNCTION |
HI |
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AUTO |
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LO |
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Cooling Operation |
Soft Dry Operation |
Auto Operation |
3 Set the temperature lower than the room temperature.
AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION |
• The temperature can be set |
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HI |
within a range of 18°C ~ 30°C |
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by 1°C . |
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To increase the Temperature.
To decrease the Temperature.
4 Set the fan speed.
•Select the fan speed in six steps-high, auto, power jet, super low, low, medium.
•The display shows high fan speed.
•Each time the button is pressed, the fan speed mode is shifted.
During Cooling operation, pressing the fan speed button can be changed Jet Cool operation mode.(Refer to p19.)
18 Ceiling Cassette Air Conditioner
Operating Instructions
SoftDryOperationMode
This mode dehumidifies without overcooling.
1 Press the On/Off Button.
2 Select Soft Dry Operation.
Press the operation Mode Selection Button.
Each time the button is pressed, the operation mode is shifted in the arrow direction.
HEAT PUMP MODEL
Cooling Operation |
Soft Dry Operation |
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Heating Operation |
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Auto Operation |
COOLING MODEL
Operation Display
AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION |
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AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION |
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AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION |
HI |
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AUTO |
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LO |
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Cooling Operation |
Soft Dry Operation |
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Auto Operation |
3 During Dry Operation.
•The indoor fan speed is automatically set to the low, so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by Micom Control.
<![endif]>ENGLISH
Owner's Manual 19
Operating Instructions
HeatingOperationMode(Heatpumpmodelonly)
1 Press the On/Off Button.
2 Select Heating Operation.
Press the Operation Mode Selection Button.
Each time the button is pressed, the operation mode is shifted in the arrow direction.
Cooling Operation |
Soft Dry Operation |
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Heating Operation |
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Auto Operation |
3 Set the temperature higher than the room temperature.
AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION |
• The temperature can be set |
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HI |
within a range of 16°C~30°C |
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by 1°C. |
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To increase the Temperature.
To decrease the Temperature.
4 Set the fan speed.
•Select the fan speed in five steps-high, auto, super low, low, medium.
•The display shows high fan speed
•Each time the button is pressed, the fan speed mode is shifted.
5 This air-conditioner is set to the hot start control in order not to discharge the cold air during the heating operation. This time, the remote controller indicates ‘Preheat’.
AUTO SWING OPERATION SET TEMP FAN SPEED |
SUB FUNCTION |
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HI |
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Preheat |
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6 If the outdoor temperature is too low during the heating operation, this air-conditioner is set to the defrosting operation and the remote controller indicates ‘Defrost’.
AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION
HI
Defrost
20 Ceiling Cassette Air Conditioner