LG | NHXM110D1A0.NG0 | LG NHXM110D1A0.NG0 Owner’s Manual

OWNER’S MANUAL
AIR CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
TYPE : MULTI TYPE CEILING CONCEALED DUCT
www.lg.com
P/NO : MFL42619409
Multi Type Air Conditioner Ownerʼs Manual
TABLE OF CONTENTS
A. Safety Precautions.........................3
B. Product Introduction......................6
Name and function of parts ..............6
What to do before operation.............6
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.
C. Part Description .............................7
Wired Remote Controller..................7
Wireless Remote Controller
(Optional)..........................................8
D. Operating instructions...................9
Standard Operation - Cooling...........9
Standard Operation - Heating
Mode (Heat Pump Type) ..................9
Standard Operation Dehumidification Mode .......................10
Standard Operation Auto Operation Mode .....................10
Standard Operation - Fan Mode .......11
Standard Operation - Temperature
Setting/Room Temperature Check .......11
Function Setting : Child Lock..........12
Sub Function - Plasma
Purification(Optional)......................12
Function Setting Filter Sign Clear..............................13
Function Setting Changing Current Time ..................14
Programming Simple Reservation ........................15
Programming : Weekly Reservation.........16
Programming Sleep Reservation ..........................18
Programming - ON Reservation.........19
Programming - OFF Reservation .........20
E. Maintenance and Service .....21
Indoor Unit ...............................21
Operation Tips! ........................22
When the air conditioner is not
going.... ....................................22
Troubleshooting Tips! Save time
and money! ..............................23
Call the service immediately in
the following situations.............23
2 Multi Type Air Conditioner
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
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.
WARNING
This symbol indicates the possibility of death or serious injury.
CAUTION
This symbol indicates the possibility of injury or damage.
WARNING
Always ground the product.
• There is a risk of electric shock.
For electrical work, contact the dealer, seller,
a qualified electrician, or an Authorized
Service Center. Do not disassemble or repair
the product by yourself.
• There is risk of fire or electric shock.
Use the correctly rated breaker or fuse.
• There is risk of fire or electric shock.
Do not install the product on a defective
installation stand. Be sure that the
installation area does not deteriorate with
age.
• It may cause product to fall.
Be sure to check the refrigerant to the
used. Please read the label on the product.
Do not use a defective or underrated
circuit breaker. Use the correctly rated
breaker and fuse.
• There is risk of fire or electric shock .
Always ground the product as per the
wiring diagram. Do not connect the
ground wire to gas or water pipes
lightening rod or telephone ground wire.
• There is risk of fire or electric shock.
Do not modify or extend the power cable.
If the power cable or cord has scrathes or
skin peeled off or deteriorated then it
must be replaced.
• There is risk of fire or electric shock.
Never install the outdoor unit on a
moving base or a place from where it
can fall down.
• The falling outdoor unit can cause damage or
injury or even death of a person.
Don't use a power cord, a plug or a loose
socket which is damaged.
• Incorrect refrigerant used can prevent the
normal operation of the unit.
• Otherwise it may cause a fire or electrical
shock.
Do not place a heater or other heating
appliances near the power cable.
Do not allow water to run into electric
parts. Install the unit away from water
sources.
• There is risk of fire and electric shock.
• There is risk of fire, failure of the product, or
electric shock.
Do not use a multi consent. Always use
this appliance on a dedicated cicuit and
breaker.
• Otherwise it can cause electric shock or fire.
Install the panel and the cover of control
box securely.
• There is risk of fire or electric shock due to
dust , water etc.
For installation, removal or reinstall ,
always contact the dealer or an
Authorized Service Center.
• There is risk of fire, electric shock, explosion,
or injury.
When the product is soaked (flooded or
submerged) in water , contact an
Authorized Service Center for repair
before using it again.
• There is risk of fire or eletric shock.
Do not touch , operate, or repair the
product with wet hands. Hold the plug by
hand when taking out
• There is risk of electric shock or fire.
Do not store or use or even allow
flammable gas or combustibles near the
product.
• There is risk of fire.
Owner's Manual 3
Safety Precautions
Indoor/outdoor wiring connections must
be secured tightly and the cable should
be routed properly so that there is no
force pulling the cable from the
connection terminals.
Safely dispose off the packing materials.
Like screws, nails, batteries, broken
things etc after installation or svc and
then tear away and thraw away the plastic
packaging bags.
Make sure to check that the power cable
plug is not dirty, loose or broken and
then only insert the plug completely.
• Improper or loose connections can cause
heat generation or fire.
• Children may play with them and cause
injury.
• Dirty, loose or broken power plug can
cause electric shock or fire.
In outdoor unit the step-up capacitor
supplies high voltage electricity to the
electrical components. Be sure to
discharge the capacitor completely
before conducting the repair work.
When installing the unit, use the
installation kit provided with the product.
Be sure to use only those parts which
are listed in the svc parts list. Never
attempt to modify the equipment.
• An charged capacitor can cause electrical
shock.
• Otherwise the unit may fall and cause severe
injury.
• The use of inappropriate parts can cause an
electrical shock, excessive heat generation or
fire.
Do not open the front grille of the product
during operation. (Do not touch the
electrostatic filter, if the unit is so equipped.)
If strange sounds, smell or smoke comes
from product.Immediately turn the breaker
off or disconnect the power supply cable.
Do not use the product in a tightly closed
space for a long time. Perform ventilation
regularly.
• Oxygen deficiency could occur and hence
harm your health.
• There is risk of physical injury, electric shock,
or product failure.
• There is risk of electric shock or fire.
Ventilate the product room from time to
time when operating it together with a
stove, or heating element etc.
Turn the main power off and unplug the
unit when cleaning or repairing the
product.
When the product is not to be used for a
long time, disconnect the power supply
plug or turn off the breaker.
• Oxygen deficiency can occur and hence harm
your health.
Take care to ensure that nobody
especially kids could step on or fall onto
the outdoor unit.
• This could result in personal injury and
product damage.
• There is risk of electric shock.
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 plug or unplug the power supply plug to turn the unit
ON/OFF .
• There is risk of product damage or failure, or
unintended operation.
Do not place ANYTHING on the power
cable.
• There is risk of fire or electric shock.
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.
• There is risk of fire or electric shock.
CAUTION
Two or more people must lift and
transport the product.
• Avoid personal injury.
Keep level even when installing the
product.
• To avoid vibration or noise.
Do not install the product where it will be
exposed to sea wind (salt spray) directly.
• It may cause corrosion on the product.
Do not install the product where the noise
or hot air from the outdoor unit could
damage or disturb the neighborhoods.
• It may cause a problem for your neighbors
and hence dispute.
4 Multi Type Air Conditioner
Install the drain hose to ensure that the
condensed water is drained away properly.
• A bad connection may cause water leakage.
Always check for gas (refrigerant)
leakage after installation or repair of
product.
• Low refrigerant levels may cause failure of
product.
Safety Precautions
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 touch the metal parts of the
product when removing the air filter.
• There is risk of personal injury.
Do not insert hands or other objects
through the air inlet or outlet while the
product is operating.
• There are sharp and moving parts that could
cause personal injury.
Do not tilt the unit when removing or
uninstalling it.
• The condensed water inside can spill .
Dismantling the unit, treatment of the
refrigerant oil and eventual parts should
be done in accordance with local and
national standards.
Do not block the inlet or outlet of air flow.
• It may cause product failure.
Do not step on or put anyting on the
product. (outdoor units)
• There is risk of personal injury and failure of
product.
Be cautious when unpacking and
installing the product.
• Sharp edges could cause injury.
Do not mix air or gas other than the
specified refrigerant used in the system .
• The chemicals in batteries could cause burns
or other health hazards.
Do not expose your skin or kids or
plants to the cool or hot air draft.
• This could harm to your health.
• There is risk of fire, electric shock, or damage
to the plastic parts of the product.
Always insert the filter securely after
cleaning. Clean the filter every two weeks
or more often if necessary.
• A dirty filter reduces the efficiency.
If the refrigerant gas leaks during the
repair, do not touch the leakaing
refrigerant gas.
• The refrigernat gas can cause frostbite (cold
burn)
If the refrigerant gas leaks during the
installation, ventilate the area immediately.
• If air enters the refrigerant system, an
excessively high pressure results, causing
equipment damage or injury.
• Otherwise it can be harmfull for your health.
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.
Do not recharge or disassemble the
batteries. Do not dispose off batteries in
a fire.
• There is risk of fire or product failure.
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.
Use a soft cloth to clean. Do not use
harsh detergents, solvents or splashing
water etc .
• They may burn or explode.
If you eat the liquid from the batteries,
brush your teeth and see doctor. Do not
use the remote if the batteries have
leaked.
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.
• The chemicals in batteries could cause burns
or other health hazard.
• Moisture may condense and wet or damage
furniture.
Do not drink the water drained from the
product.
• It is not sanitary and could cause serious
health issues.
Use a firm stool or ladder when cleaning,
maintaining or repairing the product at
an height.
• Be careful and avoid personal injury.
Owner's Manual 5
Product Introduction
Product Introduction
Name and function of parts
1
4
Air intake
vents
1: Indoor unit
2: Outdoor unit
3: Wired remote controller
4: Inlet air
5: Discharge air
6: Refrigerant piping, connection
electric wire
7: Drain pipe
8: Ground wire
wire to ground outdoor unit to
prevent electrical shocks.
6 7
2
5
Air outlet
vents
3
8
What to do before operation
A
1
2
Wired
remote controller
B
1
6 Multi Type Air Conditioner
1
If your installation has a customized
control system, ask your LG dealer for
the operation that corresponds to your
system.
A: Pair system or simultaneous
operation system
B: Multi system
1: Unit with remote controller
2: Unit without remote controller (when
used as simultaneous operation)
Part Description
Part Description
Wired Remote Controller
1
10
9
8
7
11
12
13
2
3
4
5
6
14
15
Please attach the inform label inside of the door.
Please choose proper language depend on your
country.
1 OPERATION INDICATION
SCREEN
2 SET TEMPERATURE BUTTON
3 FAN SPEED BUTTON
4 ON/OFF BUTTON
5 OPRATION MODE SELECTION
BUTTON
6 WIRELESS REMOTE
CONTROLLER RECEIVER
• Some products don't receive the
wireless signals.
7 AIR FLOW BUTTON
8 SUBFUNCTION BUTTON
9 FUNCTION SETTING BUTTON
10 VENTILATION
BUTTON(OPTIONAL)
11 RESERVATION
12 UP,DOWN,LEFT,RIGHT BUTTON
• To check the indoor temperature,
press
button.
13 ROOM TEMPERATURE BUTTON
14 SETTING/CANCEL BUTTON
15 EXIT BUTTON
NOTE
❈ Display temperature can be different from actual room temperature if the remote controller is
installed at the place where sun-rays are falling directly or the place nearby heat source.
❈ The actual product can be different from above contents depending upon model type.
❈ Some functions may not be operated and displayed depending on the product type.
Owner's Manual 7
Part Description
Wireless Remote Controller (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.
8
1
9
2
10
11
3
12
4
13
14
5
15
6
7
16
Operation Mode
Cooling Mode
Auto Mode or Auto Changeover
Dehumidification mode
Heating Mode
Fan Mode
• Cooling Model(
), Heat Pump Model(
)
1. Plasma button(Optional)
Used to start or stop the plasma-purification function.
2. Jet cool button(Optional)
Speed cooling operates super high fan speed.
3. Operation mode selection button
Used to select the operation mode.
4. Function setting button
Used to set or clear auto clean or smart clean.
5. LCD luminosity button(Optional)
Used to adjust LCD luminosity
6. Smart Clean button(Optional)
Used to start or stop smart clean.
7. Clear all button
Used to clear all timer.
8. Room temperature setting button
Used to select the room temperature.
9. ON/OFF button
Used to turn off/on the unit.
10. Indoor fan speed selection button
Used to select fan speed in four steps low, medium, high and
chaos.
11. Auto swing button
Used to stop or start louver movement and set the desired
up/down airflow direction.
12. Horizontal airflow direction control button(Optional)
Used to set the desired horizontal airflow direction.
13. Timer and time setting button
Used to set the time of starting or stopping and sleeping
operation.
14. Room temperature checking button
Used to check the room temperature.
15. °C/°F ° switch button
Used to switch temperature reading from Celsius to Fahrenheit.
16. Reset button
Used to reset the remote controller.
CAUTION:
• 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)
NOTE
❈ For more details refer to the Wireless Remote Control Accessory manual.
❈ The actual product can be different from above contents depending upon model type.
8 Multi Type Air Conditioner
Operating Instructions
Operating instructions
Standard Operation - Cooling
It cools the room by comfortable and clean wind.
1 Press
button to turn on the indoor.
2 Press
button to select Cooling operation mode.
the desired temperature by pressing
buttons.
3 Adjust
Press
button to check the Room temperature.
When setting the desired temperature higher than room
temperature, only ventilation wind is blow out instead of cooling wind.
❈ Setting Temp Range : 18˚C~30˚C (64˚F~86˚F)
Standard Operation - Heating Mode (Heat Pump Type)
It supplies warm wind to the indoor
1 Press
button to turn on the indoor.
button to select Heating mode.
2 Press
(To check the indoor temperature, press the room temperature button.)
the desired temperature by pressing
buttons.
3 Adjust
When setting the desired temperature lower than room temperature,
there is only ventilation wind.
Owner's Manual 9
Operating Instructions
Standard Operation - Dehumidification Mode
It removes humidity while air-cooling weakly.
1 Press
button to turn on the indoor.
button to select Dehumidification mode.
2 Press
The temperature setting can not be adjusted during operation this
mode.
Press the
button to select airflow rate feeble ’ weak ’ medium ’
3 strong
’ automatic.
(The initial wind powerfulness of humidity removal drive is 'weak'.)
• In rainy season or high humidity climate, it is possible to operate simultaneously dehumidifier and
cooling mode to remove humidity effectively.
• The menu item of wind powerfulness might not be partially selected according to the product.
Standard Operation - Auto Operation Mode
1 Press
button to turn on the indoor.
2 Press
button to select Artificial intelligence Mode.
can adjust the temperature as the picture on the
3 You
right for cooling and heating model.
the case of cooling exclusive, as the picture on the
4 For
right, you can adjust the temperature from hot to cold,
from "-2" to "2" based on "00".
When cold
When cool
When appropriate
When warm
When hot
During operating Auto Operation mode:
• We can use the FAN SPEED button
• We can change manually to other operation mode.
10 Multi Type Air Conditioner
Operating Instructions
Standard Operation - Fan Mode
1 Press button to turn on the indoor.
2 Press button to select Fan Mode.
time pressing
button, you can select wind flow in order of
3 Every
LO ➝ MED ➝ HI
(The lists depends on products function)
❊ When operating in wind mode, the outdoor compressor doesn't work.
❊ FAN operation doesn't bring out cold air but air from regular fan comes out.
Standard Operation - Temperature Setting/Room Temperature Check
Temperature Setting
can simply adjust the desired temperature.
1 We
• Press the
buttons to adjust the desired temperature.
: Increase 1˚C or 2˚F per one time pressing
: Decrease 1˚C or 2˚F per one time pressing
• Room temp: Indicate the current room temperature.
• Set temp: Indicate the temperature that user want to set.
❈ Depend on what kind of controller, the desired temperature can be adjusted
at 0.5˚C or 1˚F.
Cooling operation:
- The cooling mode doesn't work if desired temperature is higher than room temperature
Please lower the desired temperature.
Heating operation:
- The heating mode doesn't work if desired temperature is lower than room
temperature Please increase the desired temperature.
Room Temperature Check
press
2 Whenever
seconds.
button, the room temperature will be displayed within 5
After 5 seconds, it turns to display the desired temperature.
Because of location of remote controller, the real room temperature and the this
displayed value can be different
• For air-cooling drive, from 18°C to 30°C, and for heating drive, from 16°C to 30°C, you can select
desired temperature.
• 5°C is proper for the difference between room and outside temperature.
Owner's Manual 11
Operating Instructions
Function Setting : Child Lock
It is the function to use preventing children or others from careless using.
1 Press
button repeatedly until the
is flashing.
to 'setup' icon area by using
2 Ifandmoving
child lock function is setup if pressing
button, 'setup' icon blinks,
button at that time.
cancelling lock function, if moving to 'cancel' icon by pressing
3 When
button and then, pressing
button, child lock function is cancelled.
button to exit.
4 Press
❈ After setup, it automatically gets out of setup mode if there is no
button input for 25 seconds.
❈ When exiting without pressing set button, the manipulated value is
not reflected.
Sub Function - Plasma Purification(Optional)
Only products with humidifying function can use this.
The method to setup cleaning air
1 Repeat pressing button until icon flash.
or cancel Plasma Purification function by pressing
2 Operate
button.
(
icon appears/disappears on
display part up to selection )
setting, press
button to exit.
3 After
❈ After setup, it automatically gets out of setup mode if there is no button
input for 25 seconds.
❈ When exiting without pressing set button, the manipulated value is not reflected.
When turn the machine off, Plasma function is off (And also off when restart indoor)
In case of such model that has no Plasma sub function, it doesn't appear when pressing
12 Multi Type Air Conditioner
button.
Operating Instructions
Function Setting - Filter Sign Clear
This function is to clear the indicator of indoor filter cleaning.
1 Press
2 When the
button repeatedly until the
is flashing, press the
is flashing.
to clear this display
• When filter is covered by dust, it will reduce cooling/heating efficiency and accumulate more
electric power. Therefore. do clean the filter whenever cleaning time is expired.
❈ Filter cleaning indication is automatically cancelled without the separate cancellation after certain
period of time.
Owner's Manual 13
Operating Instructions
Function Setting - Changing Current Time
press function setup button. If pressing function setup button
1 Please
repeatedly, it moves to time setup menu. ‘Time setup’ icon is indicated at
that time and date blinks at current time indication area.
Ex) Changing Current Time as
'Monday / AM 10:20'.
2 Press
day.
key to adjust the current
key to move to AM/ PM setting
3 Press
mode (the 'AM/ PM segment will flash).
4 Setting AM/ PM value by pressing
button.
button to move to 'Hour'
5 Press
setting mode. (the 'Hour' segment will
flash)
6 Setting Hour value by pressing
button.
button to move to 'Minute'
7 Press
setting mode. (the 'Minute' segment will
flash)
8 Setting Minute value by pressing
9 Press
button.
button to finish.
press
button to release and exit from setting mode.
10 In(Inthecaseprocess,
of exit with incomplete information, it will return to the
previous setting)
❈ When exiting without pressing set button, the manipulated value is not reflected.
14 Multi Type Air Conditioner
Operating Instructions
Programming - Simple Reservation
You can set the reservation conveniently in the units of 1 hour from 1 hour to 7 hours.
1 Press
(the
button to enter the Programming mode.
segment flashing)
Ex) Setting Simple Reservation time as '3'.
2 Press
3 Press
button to adjust reservation time.
button to finish setting.
button to exit.
4 Press
❈ After setup, it automatically gets out of setup mode if there is no button input
for 25 seconds.
❈ When exiting without pressing set button, the manipulated value is not
reflected.
❈ When simple reservation setup, product automatically runs or stops after the time that is set.
Owner's Manual 15
Operating Instructions
Programming : Weekly Reservation
You can set the daily reservation in weekly unit.
Weekly reservation keeps operating until before you cancel it once you setup
1
Please move to reservation setup mode by pressing reservation button.
❈ You can setup two weekly reservations for one day, and up to fourteen
reservations for a week.
For example, to setup (Tuesday morning 11:30 turned on ~ afternoon 12:30
turned off), you setup in order below.
move to 'weekly' by
2 Please
repeatedly pressing reservation
button. 'Weekly' blinks at this time.
select weekly reservation ➀
3 orPlease
weekly reservation ➁ by using
button.
❈ You can setup two reservations,
weekly reservation 1 and weekly
reservation 2, for a day.
move to 'date' setup part by
4 Please
using
button. If 'date'
indication blinks, please setup date.
You can setup date from Monday to
Sunday.
move to 'AM/PM' setup part
5 Please
of turning on by using
button.
move to 'hour' setup part of
6 Please
turning on by using
button.
- It is the part to setup the time at
which air-conditioner is turned on.
change time by using
button.
7 Please
- You can setup hour 0~12.
8 Please move to 'minute' setup part of turning on by using
9 If 'minute' indication blinks, please setup 'minute' by using
16 Multi Type Air Conditioner
button.
button
Operating Instructions
move to 'AM/PM' setup part
10 Please
of turning off by using
button.
- AM/PM setup is identical with
turning on time setup.
move to 'hour' setup part
11 Please
of turning off by using Right
button.
- It is the part to reserve the time
at which air-conditioner is
turned off.
- If 'hour' indication blinks, please
setup 'hour'.
❈ Please setup 'hour' and 'minute'
identically with the method to
setup turning on time.
finishing weekly reservation setup, please press setup/cancellation button.
12 IfWeekly
reservation setup for the day that you set is finished.
you setup with the method identical with above by selecting the day that
13 Ifyou'd
like to setup, it operates weekly reservation.
If you setup both turning on reservation time and turning off reservation time
identically, it doesn't operate reservation drive.
Weekly reservation explanation
Reservation
number
Turning on time
Turning off time
Under bar: the indication that there is weekly reservation for
corresponding day
Owner's Manual 17
Operating Instructions
Programming - Sleep Reservation
Sleep reservation is the function of air-conditioner to run and stop after certain period of time at sleep
mode before sleep. When connected to a ventilation product and set the sleep reservation, when it
goes to the sleep mode, after the set time has elapsed.
button to enter the Programming mode.
1 Press
Ex) Setting Sleep Reservation time as '3'.
pressing
button to enter the SLEEP reservation setting mode.
2 Repeat
(
segment flashing)
button to adjust reservation time.
3 Press
The SLEEP reservation time is from 1 to 7 hours.
button to finish setting.
4 Press
Whenever reservation is done.
button to exit.
5 Press
❈ After setup, it automatically gets out of setup mode if there is no button input
for 60 seconds.
❈ When exiting without pressing set button, the manipulated value is not
reflected.
- If reservation is setup, 'sleep' indication shows up at the lower part of LCD
screen.
sleep reservation setup, air-conditioner product operates sleep drive
6 Ifandfinishing
stops after the time that is set.
Please reserve proper time at sleeping. (Too much air-cooling is not good for your health.)
• Because it automatically adjusts desired temperature for comfortable air-cooling at sleep drive,
there could be difference between remote controller's desired temperature and air-conditioner
body's desired temperature.
• Sleep reservation operates as off reservation for the product whose temperature adjustment isn't
controlled by unit of 0.5°C.
18 Multi Type Air Conditioner
Operating Instructions
Programming - ON Reservation
Automatically turned On at reserved time that you set.
1 Press
button.
Ex) Setting ON Reservation
Time as 'AM 10:20'.
pressing
button to enter the ON reservation setting mode.
2 Repeat
(
segment flashing)
3 Press
button to adjust AM/ PM setting.
button to Hour setting mode. When the Hour icon flash, please
4 Press
setting time.
The setting range is within 1~12.
button to shift to Minute setting mode. When the Minute icon flash,
5 Press
please setting minute the setting range is within 00~59.
6 Press
button to finish setting.
button to exit.
7 Press
❈ After setup, it automatically gets out of setup mode if there is no button input
for 25 seconds.
❈ When exiting without pressing set button, the manipulated value is not
reflected.
- If reservation is set, 'turned on' indication shows up at the lower part of LCD
screen, and air-conditioner product runs at the time that is set.
- If reservation is cancelled, 'turned on' indication disappears.
Owner's Manual 19
Operating Instructions
Programming - OFF Reservation
Automatically turned Off at reserved time that you set.
1 Press
button.
Ex) Setting OFF Reservation
Time as 'AM 10:20'.
pressing
2 Repeatedly
(
segment flashing)
3 Press
button to enter the OFF reservation setting mode.
button to adjust AM/ PM setting.
button to shift to Hour setting mode. When the Hour icon flash,
4 Press
please setting time.
The setting range is within 1~12.
button to shift to Minute setting mode. When the Minute icon flash,
5 Press
please setting minute the setting range is within 00~59.
6 Press
button to finish setting.
button to exit.
7 Press
❈ After setup, it automatically gets out of setup mode if there is no button input for
25 seconds.
❈ When exiting without pressing set button, the manipulated value is not
reflected.
- If reservation is set, 'turned off' indication shows up at the lower part of LCD
screen, and air-conditioner product runs at the time that is set.
- If reservation is cancelled, 'turned off' indication disappears.
20 Multi Type Air Conditioner
Maintenance and Service
Maintenance and Service
Indoor Unit
Grille, Case and Remote Control
❐ Turn the system off before cleanining, To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives.
NOTE
Supply power must be disconnected before cleaning the indoor unit.
Air Filters
The air filters behind the front grille should be checked
and cleaned once every 2 weeks or more often if
neccessary.
1
Remove the Air filters.
■ Take hold of the tab and pull slightly forward
to remove the filter.
CAUTION: When the air filter is to
be removed, do not touch the metal
parts of the indoor unit.
It may cause an injury.
Air-Filter
Air filters
Air outlet vent
2
Clean dirt from the air filter using a vacuum
cleaner or washing with water.
■ If dirt is conspicuous, wash with a neutral
detergent in lukewarm water.
■ If hot water (50°C or more) is used, it may be
deformed.
3
After washing with water, dry well in the
shade.
■ Do not expose the air filter to direct
sunlight or heat from a fire when drying it.
4
Install the air filter.
Air filters
■ Never use any of the followings:
• Water hotter than 40°C.
Could cause deformation and/or discoloration.
• Volatile substances.
Could damage the
surfaces of the air
conditioner.
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Owner's Manual 21
Maintenance and Service
Operation Tips!
Do not overcool the room.
This is not good for the health and
wastes electricity.
Keep blinds or curtains
closed.
Do not let direct sunshine enter the
room when the air conditioner is in
cooling operation.
Clean the air filter regularly.
Blockages in the air filter reduce the airflow and lower
air conditioned and dehumidifying effects. Clean at least
once every two weeks.
Make sure that the doors
and windows are shut tight.
Avoid opening doors and windows
as much as possible to keep the air
conditioned air in the room.
Ventilate the room occasionally.
Since windows are kept closed, it is a good idea to open
them and ventilate the room from time to time.
When the air conditioner is not going....
When it is not going to be used for a long time.
1 Operate the air conditioner on Air circulation mode for 2 to 3 hours.
• This will dry out the internal parts.
2 Turn off the circuit breaker.
CAUTION: Turn off the circuit breaker when the air conditioner is not going
to be used for a long time.
Dirt may collect and may cause a fire.
3. Remove the batteries from the Remote Controller.
When the air conditioner is to be used again.
■ Check that the air inlet and outlet of the indoor/outdoor unit are not blocked.
Helpful information
The air filters and your electiric bill.
If the air filters become clogged with dust, the cooling capacity will drop, and 6% of the electricity used to
operate the air conditioner will be wasted.
22 Multi Type Air Conditioner
Maintenance and Service
Troubleshooting Tips! Save time and money!
Check the following points before requesting repairs or service.... If the malfunction persist, please contact your dealer.
Case
Explanation
The air conditioner does not
operate.
• Have you made a mistake in timer operation?
• On first starting, the indoor unit operates in
fifteen seconds.
• Has the fuse blown or has the circuit breaker
been tripped?
• Check that this is not a damp smell exuded by the
walls, carpet, furniture or cloth items in the room.
• Condensation occurs when the airflow from the
air conditioner cools the warm room air.
• This is the protector of the mechanism.
• Wait about three minutes and operation will begin.
• Is the air filter dirty? See air filter cleaning instructions.
• The room may have been very hot when the
room air conditioner was first turned on. Allow
time for it to cool down.
• Has the setting temperature been set incorrectly?
• Are the indoor unit's air inlet or outlet vents
obstructed?
• For a noise that sounds like water flowing.
-This is the sound of freon flowing inside the air
conditioner unit.
• For a noise that sounds like the compressed air
releasing into atmosphere.
-This is the sound of the dehumidifying water
being processed inside the air conditioning unit.
• This sound is generated by the
expansion/contraction of the inlet grille, etc. due
to changes of temperature.
• Has the circuit breaker been tripped?
The room has a peculiar odor.
It seems that condensate is
leaking from the air Conditioner.
Air conditioner does not operate
for about 3 minutes when restart.
Does not cool or heat effectively.
The air conditioner operation is
noisy.
Crack sound is heard.
Remote control display is faint, or
no display at all.
See page
-
21
11
-
-
Call the service immediately in the following situations
1. Anything abnormal such as burning smell, loud noise etc. happen. Stop the unit and turn the breaker off. Never
try to repair by yourself or restart the system in such cases.
2. Main power cord is too hot or damaged.
3. Error code is generated by self diagnosis.
4. Water leaks from indoor unit.
5. Any switch, breaker (safety, earth) or fuse fails to work properly
User must carry routine checkup & cleaning to avoid unitʼs poor performance.
In case of special situation, the job must be carried out by service person onlys
Owner's Manual 23
24 Multi Type Air Conditioner
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