3PEN194444-5G.book Page 1 Tuesday, March 7, 2017 9:01 AM
DAIKIN ROOM AIR CONDITIONER
Operation Manual
ON
OFF
MODELS
FLXS25BVMB FLKS25BVMB
FLXS35BVMB FLKS35BVMB
FLXS50BVMB FLKS50BVMB
FLXS60BVMB FLKS60BVMB
FLXS25BAVMB FLKS25BAVMB
FLXS35BAVMB FLKS35BAVMB
FLXS50BAVMB FLKS50BAVMB
FLXS60BAVMB FLKS60BAVMB
FLXS35BAVMB9
3PEN194444-5G.book Page 1 Tuesday, March 7, 2017 9:01 AM
CONTENTS
READ BEFORE OPERATION
Safety precautions ......................................... 2
Names of parts............................................... 4
Preparation Before Operation ........................ 7
OPERATION
AUTO · DRY · COOL · HEAT · FAN
Operation ..................................................... 10
Adjusting the Air Flow Direction ................... 12
POWERFUL Operation ................................ 13
OUTDOOR UNIT QUIET Operation............. 14
HOME LEAVE Operation ............................. 15
TIMER Operation ......................................... 17
Note for Multi System................................... 19
CARE
Care and Cleaning ....................................... 21
TROUBLESHOOTING
Troubleshooting ........................................... 25
The English text is the original instruction. Other languages
are translations of the original instructions.
1
3PEN194444-5G.book Page 2 Tuesday, March 7, 2017 9:01 AM
READ BEFORE OPERATION
Safety precautions
•
•
•
•
Keep this manual where the operator can easily find them.
Read this manual attentively before starting up the unit.
For safety reason the operator must read the following cautions carefully.
This manual classifies precautions into WARNINGS and CAUTIONS. Be sure to follow all precautions below: they are all important for ensuring safety.
• This appliance is intended to be used by expert or trained users in shops, in light industry and on
farms, or for commercial and household use by lay persons.
WARNING
CAUTION
If you do not follow these instructions exactly, the unit may If you do not follow these instructions exactly, the unit may
cause property damage, personal injury or loss of life.
cause minor or moderate property damage or personal injury.
Never do.
Be sure to follow the instructions.
Be sure to earth the air conditioner.
Never cause the air conditioner (including the remote
controller) to get wet.
Never touch the air conditioner (including the remote
controller) with a wet hand.
WARNING
• In order to avoid fire, explosion or injury, do not operate the unit when harmful, among
which flammable or corrosive gases, are detected near the unit.
• It is not good for health to expose your body to the air flow for a long time.
• Do not put a finger, a rod or other objects into the air outlet or inlet. As the fan is rotating at
a high speed, it will cause injury.
• Do not attempt to repair, relocate, modify or reinstall the air conditioner by yourself. Incorrect work
will cause electric shocks, fire etc.
For repairs and reinstallation, consult your Daikin dealer for advice and information.
• The refrigerant used in the air conditioner is safe. Although leaks should not occur, if for
some reason any refrigerant happens to leak into the room, make sure it does not come in
contact with any flame as of gas heaters, kerosene heaters or gas range.
• If the air conditioner is not cooling (heating) properly, the refrigerant may be leaking, so call
your dealer.
When carrying out repairs accompanying adding refrigerant, check the content of the repairs with
our service staff.
• Do not attempt to install the air conditioner by your self. Incorrect work will result in water leakage, electric shocks or fire.
For installation, consult the dealer or a qualified technician.
• In order to avoid electric shock, fire or injury, if you detect any abnormally such as smell of fire, stop
the operation and turn off the breaker. And call your dealer for instructions.
• Depending on the environment, an earth leakage breaker must be installed. Lack of an earth leakage breaker may result in electric shocks or fire.
• The air conditioner must be earthed. Incomplete earthing may result in electric shocks. Do
not connect the earth line to a gas pipe, water pipe, lightning rod, or a telephone earth line.
2
3PEN194444-5G.book Page 3 Tuesday, March 7, 2017 9:01 AM
CAUTION
• In order to avoid any quality deterioration, do not use the unit for cooling precision instruments, food, plants, animals or works of art.
• Never expose little children, plants or animals directly to the air flow.
• Do not place appliances which produce open fire in places exposed to the air flow from the unit
or under the indoor unit. It may cause incomplete combustion or deformation of the unit due to the heat.
• Do not block air inlets nor outlets. Impaired air flow may result in insufficient performance or trouble.
• Do not stand or sit on the outdoor unit. Do not place any object on the unit to avoid injury, do not remove the fan guard.
• Do not place anything under the indoor or outdoor unit that must be kept away from moisture. In certain conditions, moisture in the air may condense and drip.
• After a long use, check the unit stand and fittings for damage.
• Do not touch the air inlet and alminum fins of outdoor unit. It may cause injury.
• This appliance can be used by children aged from 8 years and above and persons with reduced
physical, sensory or mental capabilities or lack of experience and knowledge if they have been
given supervision or instruction concerning use of the appliance in a safe way and understand the
hazards involved.
• Children shall not play with the appliance.
• Cleaning and user maintenance shall not be made by children without supervision.
• To avoid oxygen deficiency, ventilate the room sufficiently if equipment with burner is used
together with the air conditioner.
• Before cleaning, be sure to stop the operation, turn the breaker off or pull out the supply cord.
• Do not connect the air conditioner to a power supply different from the one as specified. It may
cause trouble or fire.
• Arrange the drain hose to ensure smooth drainage. Incomplete draining may cause wetting of the
building, furniture etc.
• Do not place objects in direct proximity of the outdoor unit and do not let leaves and other debris
accumulate around the unit.
Leaves are a hotbed for small animals which can enter the unit. Once in the unit, such animals can
cause malfunctions, smoke or fire when making contact with electrical parts.
• Do not operate the air conditioner with wet hands.
• Do not wash the indoor unit with excessive water, only use a slightly wet cloth.
• Do not place things such as vessels containing water or anything else on top of the unit. Water
may penetrate into the unit and degrade electrical insulations, resulting in an electric shock.
Installation site.
■ To install the air conditioner in the following types of environments, consult the dealer.
• Places with an oily ambient or where steam or soot occurs.
• Salty environment such as coastal areas.
• Places where sulfide gas occurs such as hot springs.
• Places where snow may block the outdoor unit.
The drain from the outdoor unit must be discharged to a place of good drainage.
3
3PEN194444-5G.book Page 4 Tuesday, March 7, 2017 9:01 AM
Consider nuisance to your neighbours from noises.
■ For installation, choose a place as described below.
• A place solid enough to bear the weight of the unit which does not amplify the operation noise or
vibration.
• A place from where the air discharged from the outdoor unit or the operation noise will not annoy
your neighbours.
Electrical work.
• For power supply, be sure to use a separate power circuit dedicated to the air conditioner.
System relocation.
• Relocating the air conditioner requires specialized knowledge and skills. Please consult the
dealer if relocation is necessary for moving or remodeling.
Names of parts
■ Indoor Unit
The indoor unit can be installed either to the ceiling or to a wall. The descriptions contained in this manual show the case when installation is being carried out to the ceiling. (The methods of operation used
are the same when installing to a wall.)
3
2
1
4
ON
OFF
5
9
8
7
6
11
10
12
14
13
■ Opening the front panel
How to open the front panel: (page 21.)
CAUTION
• Before opening the front panel, be sure to stop the operation and turn the breaker OFF.
4
3PEN194444-5G.book Page 5 Tuesday, March 7, 2017 9:01 AM
■ Outdoor Unit
15
17
18
19
16
■
Indoor Unit
1. Louvers (vertical blades):
The louvers are inside of the air outlet.
(page 12.)
2. Air outlet
3. Flap (horizontal blade): (page 12.)
13. Indoor unit ON/OFF switch: (page 10.)
• Push this switch once to start operation.
Push once again to stop it.
• The operation mode refers to the following
table.
4. Panel tab
5. Air inlet
FLKS
FLXS
6. Display
7. Air filter
9. Front panel
10. Operation lamp (green)
11. TIMER lamp (yellow): (page 18.)
12. HOME LEAVE lamp (red):
Lights up when you use HOME LEAVE
Operation. (page 16.)
14. Signal receiver:
• It receives signals from the remote controller.
• When the unit receives a signal, you will hear a
short beep.
• Operation start .............beep-beep
• Settings changed..........beep
• Operation stop ..............beeeeep
■ Outdoor Unit
15. Air inlet: (Back and side)
18. Drain hose
16. Air outlet
19. Earth terminal:
• It is inside of this cover.
17. Refrigerant piping and inter-unit cable
Appearance of the outdoor unit may differ from some models.
5
Air flow
rate
AUTO
AUTO
• Push the switch using an object with a sharp
tip, such as a pen.
• This switch is useful when the remote controller
is missing.
8. Titanium apatite deodorizing filter or
Honeycomb deodorizing filter:
• These filters are attached to the inside of the air
filters.
Temperature
setting
COOL
22°C
AUTO
25°C
Mode
3PEN194444-5G.book Page 6 Tuesday, March 7, 2017 9:01 AM
■ Remote Controller
1
ON
2
C
5
HOME LEAVE
3
ON/OFF
POWERFUL
TEMP
MODE
QUIET
FAN
6
4
7
8
SWING
9
10
14
11
16
15
13
12
< ARC433B67, B68 >
1. Signal transmitter:
• It sends signals to the indoor unit.
2. Display:
• It displays the current settings.
(In this illustration, each section is shown
with all its displays ON for the purpose of
explanation.)
3. HOME LEAVE button:
HOME LEAVE operation (page 16.)
4. POWERFUL button:
POWERFUL operation (page 13.)
5. TEMPERATURE adjustment buttons:
• It changes the temperature setting.
6. ON/OFF button:
• Press this button once to start operation.
Press once again to stop it.
7. MODE selector button:
• It selects the operation mode.
(AUTO/DRY/COOL/HEAT/FAN) (page 10.)
8. QUIET button: OUTDOOR UNIT QUIET
operation (page 14.)
9. FAN setting button:
• It selects the air flow rate setting.
10. SWING button: (page 12.)
11. ON TIMER button: (page 18.)
12. OFF TIMER button: (page 17.)
13. TIMER Setting button:
• It changes the time setting.
14. TIMER CANCEL button:
• It cancels the timer setting.
15. CLOCK button: (page 9.)
16. RESET button:
• Restart the unit if it freezes.
• Use a thin object to push.
6
3PEN194444-5G.book Page 7 Tuesday, March 7, 2017 9:01 AM
Preparation Before Operation
■ To set the batteries
1. Slide the front cover to take it off.
Position + and
– correctly!
2
2. Set two dry batteries AAA.LR03
(alkaline).
–
+
+
–
3. Set the front cover as before.
3
1
ATTENTION
■
About batteries
• When replacing the batteries, use batteries of the same type, and replace the two old batteries together.
• When the system is not used for a long time, take the batteries out.
• The batteries will last for approximately one year. If the remote controller display begins to
fade and the degradation of reception performance occurs within a year, however, replace
both two batteries with new size AAA.LR03(alkaline).
• The attached batteries are provided for the initial use of the system.
The usable period of the batteries may be short depending on the manufactured date of the
air conditioner.
7
3PEN194444-5G.book Page 8 Tuesday, March 7, 2017 9:01 AM
Preparation Before Operation
■ To operate the remote
controller
• To use the remote controller, aim the transmitter
at the indoor unit. If there is anything to block
signals between the unit and the remote controller, such as a curtain, the unit will not operate.
• Do not drop the remote controller. Do not get it wet.
• The maximum distance for communication is
about 4m.
ON
OFF
Receiver
■ To fix the remote controller
holder on the wall
1. Choose a place from where the signals reach the unit.
Remote controller
holder
2. Fix the holder to a wall, a pillar, or
similar location with the screws
procured locally.
Set.
3. Place the remote controller in the
remote controller holder.
●
To remove, pull it upwards.
ATTENTION
■
About remote controller
• Never expose the remote controller to direct sunlight.
• Dust on the signal transmitter or receiver will reduce the sensitivity. Wipe off dust with soft cloth.
• Signal communication may be disabled if an electronic-starter-type fluorescent lamp (such
as inverter-type lamps) is in the room. Consult the shop if that is the case.
• If the remote controller signals happen to operate another appliance, move that appliance
to somewhere else, or consult the shop.
8
3PEN194444-5G.book Page 9 Tuesday, March 7, 2017 9:01 AM
Preparation Before Operation
■ To set the clock
1. Press “CLOCK button”.
is displayed.
blinks.
C
2. Press “TIMER setting button”
to set the clock to the present
time.
HOME LEAVE
Holding down “
” or “
” button rapidly
increases or decreases the time display.
ON/OFF
POWERFUL
TEMP
MODE
QUIET
FAN
3. Press “CLOCK button”.
blinks.
SWING
2
■ Turn the breaker ON
• Turning ON the breaker opens the flap, then
closes it again. (This is a normal procedure.)
1, 3
NOTE
■
Tips for saving energy
■
Please note
• Be careful not to cool (heat) the room too much.
Recommended temperature setting
Keeping the temperature setting at a moderate level helps save energy.
For cooling:26°C – 28°C
• Cover windows with a blind or a curtain.
For heating:20°C – 24°C
Blocking sunlight and air from outdoors increases the cooling (heating) effect.
• Clogged air filters cause inefficient operation and waste energy. Clean them once in about every two weeks.
• The air conditioner always consumes 15-35 watts of electricity even while it is not operating.
• If you are not going to use the air conditioner for a long period, for example in spring or autumn, turn the breaker OFF.
• Use the air conditioner in the following conditions.
Mode
COOL
HEAT
DRY
Operating conditions
Outdoor temperature:2MK(X)S40 10 to 46°C
2MXS52 –10 to 46°C
3/4/5MK(X)S –10 to 46°C
RK(X)S –10 to 46°C
RN(S) –10 to 46°C
Indoor temperature: 18 to 32°C
Indoor humidity: 80% max.
Outdoor temperature:2MXS40 –10 to 15.5°C
2MXS52 –15 to 15.5°C
3/4/5MXS –15 to 15.5°C
RXS25/35 –15 to 20°C
RXS50 –15 to 18°C
Indoor temperature: 10 to 30°C
Outdoor temperature:2MK(X)S40 10 to 46°C
2MXS52 –10 to 46°C
3/4/5MK(X)S –10 to 46°C
RK(X)S –10 to 46°C
RN(S) –10 to 46°C
Indoor temperature: 18 to 32°C
Indoor humidity: 80% max.
If operation is continued out of this range
A safety device may work to stop the operation.
(In multi system, it may work to stop the operation of
the outdoor unit only.)
• Condensation may occur on the indoor unit and drip.
•
•
A safety device may work to stop the operation.
•
•
A safety device may work to stop the operation.
Condensation may occur on the indoor unit and drip.
• Operation outside this humidity or temperature range may cause a safety device to disable the system.
9
3PEN194444-5G.book Page 10 Tuesday, March 7, 2017 9:01 AM
OPERATION
AUTO · DRY · COOL · HEAT · FAN Operation
The air conditioner operates with the operation mode of
your choice.
From the next time on, the air conditioner will operate
with the same operation mode.
■ To start operation
C
1. Press “MODE selector button”
and select a operation mode.
• Each pressing of the button advances the
mode setting in sequence.
: AUTO
4
HOME LEAVE
ON/OFF
POWERFUL
TEMP
MODE
QUIET
FAN
2, 3
1
: DRY
: COOL
: HEAT
SWING
5
: FAN
<FLKS>
<FLXS>
2. Press “ON/OFF button” .
• The OPERATION lamp lights up.
■ To stop operation
3. Press “ON/OFF button” again.
• Then OPERATION lamp goes off.
■ To change the temperature setting
4. Press “TEMPERATURE adjustment button”.
DRY or FAN mode
AUTO or COOL or HEAT mode
Press “
“
The temperature setting is not variable.
” to raise the temperature and press
” to lower the temperature.
Set to the temperature you like.
C
10
3PEN194444-5G.book Page 11 Tuesday, March 7, 2017 9:01 AM
AUTO · DRY · COOL · HEAT · FAN Operation
■ To change the air flow rate setting
5. Press “FAN setting button”.
DRY mode
AUTO or COOL or HEAT or FAN mode
Five levels of air flow rate setting from “
The air flow rate setting is not variable.
plus “
”“
” to “
”
” are available.
• Indoor unit quiet operation
When the air flow is set to “ ”, the noise from the indoor unit will become quieter.
Use this when making the noise quieter.
The unit might lose capacity when the air flow rate is set to a weak level.
NOTE
■
Note on HEAT operation
• Since this air conditioner heats the room by taking heat from outdoor air to indoors, the
heating capacity becomes smaller in lower outdoor temperatures. If the heating effect is
insufficient, it is recommended to use another heating appliance in combination with the air
conditioner.
• The heat pump system heats the room by circulating hot air around all parts of the room.
After the start of heating operation, it takes some time before the room gets warmer.
• In heating operation, frost may occur on the outdoor unit and lower the heating capacity. In
that case, the system switches into defrosting operation to take away the frost.
• During defrosting operation, hot air does not flow out of indoor unit.
■
Note on COOL operation
• This air conditioner cools the room by blowing the hot air in the room outside, so if the outside temperature is high, performance drops.
■
Note on DRY operation
• The computer chip works to rid the room of humidity while maintaining the temperature as
much as possible. It automatically controls temperature and fan strength, so manual
adjustment of these functions is unavailable.
■
Note on AUTO operation
• In AUTO operation, the system selects a temperature setting and an appropriate operation
mode (COOL or HEAT) based on the room temperature at the start of the operation.
• The system automatically reselects setting at a regular interval to bring the room temperature to user-setting level.
• If you do not like AUTO operation, you can manually select the operation mode and setting
you like.
■
Note on air flow rate setting
• At smaller air flow rates, the cooling (heating) effect is also smaller.
11
3PEN194444-5G.book Page 12 Tuesday, March 7, 2017 9:01 AM
Adjusting the Air Flow Direction
You can adjust the air flow direction to increase your
comfort.
■ To adjust the horizontal
blade (flap)
ON
C
1. Press “SWING button”.
• “
” is displayed on the LCD and the
flaps will begin to swing.
HOME LEAVE
2. When the flaps have reached the
desired position, press “SWING
button” once more.
• The flap will stop moving.
• “
” disappears from the LCD.
ON/OFF
POWERFUL
TEMP
MODE
QUIET
FAN
SWING
1, 2
■ To adjust the vertical
blades (louvers)
• When adjusting the louver, use a robust and stable stool and
watch your steps carefully.
Hold the knob and move the louvers.
(You will find a knob on the left side and the right side blades.)
Notes on flap and louvers angles.
• Unless [SWING] is selected, you should set the
flap at a near- horizontal angle in COOL or DRY
mode to obtain the best performance.
• In COOL or DRY mode, if the flap is fixed at a
downward position, the flap automatically moves
in about 60 minutes to prevent condensation on it.
■
ATTENTION
• Always use a remote controller to adjust the flap
angle.
If you attempt to move it forcibly with hand when it
is swinging, the mechanism may be broken.
• Be careful when adjusting the louvers. Inside the
air outlet, a fan is rotating at a high speed.
DRY
COOL
FAN
HEAT
12
3PEN194444-5G.book Page 13 Tuesday, March 7, 2017 9:01 AM
POWERFUL Operation
POWERFUL operation quickly maximizes the cooling (heating) effect in any operation mode. You can
get the maximum capacity .
■ To start POWERFUL
operation
ON
1. Press “POWERFUL button”.
• POWERFUL operation ends in 20 minutes. Then the system automatically
operates again with the settings which
were used before POWERFUL operation.
• When using POWERFUL operation,
there are some functions which are not
available.
• “
” is displayed on the LCD.
HOME LEAVE
POWERFUL
MODE
QUIET
ON/OFF
TEMP
FAN
1, 2
SWING
■ To cancel POWERFUL
operation
2. Press “POWERFUL button”
again.
• “
” disappears from the LCD.
NOTE
■
Notes on POWERFUL operation
• In COOL and HEAT mode
To maximize the cooling (heating) effect, the capacity of outdoor unit must be increased
and the air flow rate be fixed to the maximum setting.
The temperature and air flow settings are not variable.
• In DRY mode
The temperature setting is lowered by 2.5°C and the air flow rate is slightly increased.
• In FAN mode
The air flow rate is fixed to the maximum setting.
• When using priority-room setting
See “Note for multi system” (page 19.)
13
3PEN194444-5G.book Page 14 Tuesday, March 7, 2017 9:01 AM
OUTDOOR UNIT QUIET Operation
OUTDOOR UNIT QUIET operation lowers the noise
level of the outdoor unit by changing the frequency and
fan speed on the outdoor unit. This function is convenient during night.
ON
■ To start OUTDOOR UNIT
QUIET operation
C
1. Press “QUIET button”.
• “
” is displayed on the LCD.
■ To cancel OUTDOOR UNIT
QUIET operation
2. Press “QUIET button” again.
• “
HOME LEAVE
ON/OFF
POWERFUL
TEMP
MODE
QUIET
FAN
SWING
” disappears from the LCD.
1, 2
NOTE
■
Note on OUTDOOR UNIT QUIET operation
• If using a multi system, this function will work only when the OUTDOOR UNIT QUIET
operation is set on all operated indoor units.
However, if using priority-room setting, see “Note for multi system” (page 19.)
• This function is available in COOL, HEAT, and AUTO modes.
(This is not available in FAN and DRY mode.)
• POWERFUL operation and OUTDOOR UNIT QUIET operation cannot be used at the
same time.
Priority is given to the function of whichever button is pressed last.
• If operation is stopped using the remote controller or the main unit ON/OFF switch when
using OUTDOOR UNIT QUIET operation, “
” will remain on the remote controller
display.
14
3PEN194444-5G.book Page 15 Tuesday, March 7, 2017 9:01 AM
HOME LEAVE Operation
HOME LEAVE operation is a function which allows you to record
your preferred temperature and air flow rate settings.
■ To start HOME LEAVE
operation
1. Press “HOME LEAVE button” .
ON
• The HOME LEAVE lamp lights up.
C
■ To cancel HOME LEAVE
operation
1, 2
HOME LEAVE
ON/OFF
POWERFUL
TEMP
MODE
QUIET
FAN
2. Press “HOME LEAVE button” again.
• The HOME LEAVE lamp goes off.
SWING
Before using HOME LEAVE operation.
■
To set the temperature and air flow rate for HOME LEAVE operation
When using HOME LEAVE operation for the first time, please set the temperature and air
flow rate for HOME LEAVE operation. Record your preferred temperature and air flow rate.
Initial setting
temperature
Selectable range
Air flow rate
temperature
Air flow rate
Cooling
25°C
“
”
18-32°C
5 step, “
” and “
”
Heating
25°C
“
”
10-30°C
5 step, “
” and “
”
1. Press “HOME LEAVE button”. Make sure “ ” is displayed in the remote controller display.
2. Adjust the set temperature with “
” or “
” as you like.
3. Adjust the air flow rate with “FAN” setting button as you like.
Home leave operation will run with these settings the next time you use the unit. To change
the recorded information, repeat steps 1 – 3.
15
3PEN194444-5G.book Page 16 Tuesday, March 7, 2017 9:01 AM
■ What’s the HOME LEAVE operation?
Is there a set temperature and air flow rate which is most comfortable, a set temperature and air flow
rate which you use the most? HOME LEAVE operation is a function that allows you to record your favorite set temperature and air flow rate. You can start your favorite operation mode simply by pressing the
HOME LEAVE button on the remote controller. This function is convenient in the following situations.
■ Useful in these cases
1.Use as an energy-saving mode.
Set the temperature 2-3°C higher (cooling) or lower (heating) than normal. Setting the fan strength to the lowest
setting allows the unit to be used in energy-saving mode. Also convenient for use while you are out or sleeping.
• Every day before you leave the house...
When you go out, push the “HOME LEAVE
Operation” button, and the air conditioner
will adjust capacity to reach the preset
temperature for HOME LEAVE Operation.
When you return, you will be
welcomed by a comfortably
air conditioned room.
Push the “HOME LEAVE Operation” button again, and the air conditioner will adjust capacity to the set
temperature for normal operation.
The unit will maintain the
temperature in the room at a
comfortable level while you
sleep.
When you enter the living room in the morning, the temperature will be just right.
• Before bed...
Set the unit to HOME LEAVE
Operation before leaving the living room when going to bed.
Disengaging HOME LEAVE Operation will return the temperature to that
set for normal operation. Even the
coldest winters will pose no problem!
2.Use as a favorite mode.
Once you record the temperature and air flow rate settings you most often use, you can retrieve them by
pressing HOME LEAVE button. You do not have to go through troublesome remote control operations.
NOTE
• Once the temperature and air flow rate for HOME LEAVE operation are set, those settings
will be used whenever HOME LEAVE operation is used in the future. To change these settings, please refer to the “Before using HOME LEAVE operation” section above.
• HOME LEAVE operation is only available in COOL and HEAT mode. Cannot be used in
AUTO, DRY, and FAN mode.
• HOME LEAVE operation runs in accordance with the previous operation mode (COOL or
HEAT) before using HOME LEAVE operation.
• HOME LEAVE operation and POWERFUL operation cannot be used at the same time.
Last button that was pressed has priority.
• The operation mode cannot be changed while HOME LEAVE operation is being used.
• When operation is shut off during HOME LEAVE operation, using the remote controller or
the indoor unit ON/OFF switch, “
” will remain on the remote controller display.
16
3PEN194444-5G.book Page 17 Tuesday, March 7, 2017 9:01 AM
TIMER Operation
Timer functions are useful for automatically switching
the air conditioner on or off at night or in the morning.
You can also use OFF TIMER and ON TIMER in
combination.
■ To use OFF TIMER operation
ON
C
• Check that the clock is correct.
If not, set the clock to the present time.
(page 9.)
1. Press “OFF TIMER button”.
HOME LEAVE
ON/OFF
POWERFUL
TEMP
MODE
QUIET
FAN
is displayed.
blinks.
2. Press “TIMER Setting button”
until the time setting reaches the
point you like.
• Every pressing of either button increases
or decreases the time setting by 10 minutes. Holding down either button changes
the setting rapidly.
SWING
4
2
1, 3
3. Press “OFF TIMER button”
again.
• The TIMER lamp lights up.
■ To cancel the OFF TIMER operation
4. Press “CANCEL button”.
• The TIMER lamp goes off.
NOTE
• When TIMER is set, the present time is not displayed.
• Once you set ON, OFF TIMER, the time setting is kept in the memory. (The memory is canceled when remote controller batteries are replaced.)
• When operating the unit via the ON/OFF Timer, the actual length of operation may vary from
the time entered by the user. (Maximum approx. 10 minutes)
■
NIGHT SET MODE
When the OFF TIMER is set, the air conditioner automatically adjusts the temperature setting (0.5°C up in COOL, 2.0°C down in HEAT) to prevent excessive cooling (heating) for
your pleasant sleep.
17
3PEN194444-5G.book Page 18 Tuesday, March 7, 2017 9:01 AM
TIMER Operation
■ To use ON TIMER operation
• Check that the clock is correct. If not, set
the clock to the present time
(page 9.).
1. Press “ON TIMER button”.
is displayed.
C
blinks.
2. Press “TIMER Setting button”
until the time setting reaches
the point you like.
• Every pressing of either button
increases or decreases the time setting
by 10 minutes. Holding down either button changes the setting rapidly.
3. Press “ON TIMER button”
again.
HOME LEAVE
ON/OFF
POWERFUL
TEMP
MODE
QUIET
FAN
SWING
1, 3
4
• The TIMER lamp lights up.
2
■ To cancel ON TIMER
operation
4. Press “CANCEL button”.
• The TIMER lamp goes off.
■ To combine ON TIMER and OFF TIMER
• A sample setting for combining the two timers is shown below.
Display
(Example)
Present time: 11:00 p.m.
(The unit operating)
OFF TIMER at 0:00 a.m.
ON TIMER at 7:00 a.m.
Combined
ATTENTION
■
In the following cases, set the timer again.
• After a breaker has turned OFF.
• After a power failure.
• After replacing batteries in the remote controller.
18
3PEN194444-5G.book Page 19 Tuesday, March 7, 2017 9:01 AM
Note for Multi System
 What is a “Multi System”? 
This system has one outdoor unit connected to multiple indoor units.
■ Selecting the Operation
Mode
1. With the Priority Room Setting present but inactive or not present.
A
room
Outdoor
unit
B
room
Living
room
C
room
When more than one indoor unit is operating, priority is given to the first unit that was turned on.
In this case, set the units that are turned on later
to the same operation mode (*1) as the first unit.
Otherwise, they will enter the Standby Mode, and the operation lamp will flash; this does not indicate malfunction.
(*1)
• COOL, DRY and FAN mode may be used at the same time.
• AUTO mode automatically selects COOL mode or HEAT mode based on the room temperature.
Therefore, AUTO mode is available when selecting the same operation mode as that of the room
with the first unit to be turned on.
CAUTION
Normally, the operation mode in the room where the unit is first run is given priority, but the
following situations are exceptions, so please keep this in mind.
If the operation mode of the first room is FAN Mode, then using Heating Mode in any room
after this will give priority to heating. In this situation, the air conditioner running in FAN
Mode will go on standby, and the operation lamp will flash.
2. With the Priority Room Setting active.
See “Priority Room Setting” on the next page.
■ NIGHT QUIET Mode (Available only for cooling operation)
NIGHT QUIET Mode requires initial programming during installation. Please consult your retailer or dealer for assistance.
NIGHT QUIET Mode reduces the operation noise of the outdoor unit during the night time hours to prevent
annoyance to neighbors.
• The NIGHT QUIET Mode is activated when the temperature drops 5°C or more below the highest temperature
recorded that day. Therefore, when the temperature difference is less than 5°C, this function will not be activated.
• NIGHT QUIET Mode reduces slightly the cooling efficiency of the unit.
■ OUTDOOR UNIT QUIET Operation (page 14.)
1. With the Priority Room Setting present but inactive or not present.
When using the OUTDOOR UNIT QUIET operation feature with the Multi system, set all indoor units to
OUTDOOR UNIT QUIET operation using their remote controllers.
When clearing OUTDOOR UNIT QUIET operation, clear one of the operating indoor units using their remote controller.
However OUTDOOR UNIT QUIET operation display remains on the remote controller for other rooms.
We recommend you release all rooms using their remote controllers.
2. With the Priority Room Setting active.
See “Priority Room Setting” on the next page.
■ Cooling / Heating Mode Lock (Available only for
heat pump models)
The Cooling / Heating Mode Lock requires initial programming during installation.Please consult your retailer or dealer
for assistance. The Cooling / Heating Mode Lock sets the unit forcibly to either Cooling or Heating Mode. This function
is convenient when you wish to set all indoor units connected to the Multi system to the same operation mode.
19
3PEN194444-5G.book Page 20 Tuesday, March 7, 2017 9:01 AM
Note for Multi System
■ Priority Room Setting
The Priority Room Setting requires initial programming during installation. Please consult your
retailer or dealer for assistance.
The room designated as the Priority Room takes priority in the following situations;
1. Operation Mode Priority.
As the operation mode of the Priority Room takes precedence, the user can select a different
operation mode from other rooms.
Example
* Room A is the Priority Room in the examples.
When COOL mode is selected in Room A while operating the following modes in Room B,C and D :
Operation mode in Room B, C and D
COOL or DRY or FAN
Status of Room B, C and D when the unit in Room A is in COOL mode
Current operation mode maintained
HEAT
The unit enters Standby Mode. Operation resumes when the
Room A unit stops operating.
AUTO
If the unit is set to COOL mode, operation continues. If set to
HEAT mode, it enters Standby Mode. Operation resumes when
the Room A unit stops operating.
2. Priority when POWERFUL operation is used.
Example
* Room A is the Priority Room in the examples.
The indoor units in Rooms A,B,C and D are all operating. If the unit in Room A enters
POWERFUL operation, operation capacity will be concentrated in Room A. In such a case,
the cooling (heating) efficiency of the units in Rooms B,C and D may be slightly reduced.
3. Priority when using OUTDOOR UNIT QUIET operation.
Example
* Room A is the Priority Room in the examples.
Just by setting the unit in Room A to QUIET operation, the air conditioner starts OUTDOOR
UNIT QUIET operation.
You don’t have to set all the operated indoor units to QUIET operation.
20
3PEN194444-5G.book Page 21 Tuesday, March 7, 2017 9:01 AM
CARE
Care and Cleaning
CAUTION
Before cleaning, be sure to stop the operation and
turn the breaker OFF.
Units
■ Indoor unit, Outdoor unit and Remote controller
1. Wipe them with dry soft cloth.
■ Front panel
1. Open the front panel.
• Hold the panel by the tabs on the two sides
and lift it until it stops.
2. Clean the front panel.
• Wipe it with a soft cloth soaked in water.
• Only neutral detergent may be used.
• In case of washing the panel with water, dry
it with cloth, dry it up in the shade after washing.
3. Close the front panel.
• Push the panel at the 5 points indicated by .
• Operation without air filters may result in troubles as dust will accumulate inside the indoor
unit.
CAUTION
• Don’t touch the metal parts of the indoor unit. If you touch those parts, this may cause an injury.
• When removing or attaching the front panel, use a robust and stable stool and watch your
steps carefully.
• When removing or attaching the front panel, support the panel securely with hand to prevent
it from falling.
• For cleaning, do not use hot water above 40°C, benzine, gasoline, thinner, nor other volatile
oils, polishing compound, scrubbing brushes, nor other hand stuff.
• After cleaning, make sure that the front panel is securely fixed.
21
3PEN194444-5G.book Page 22 Tuesday, March 7, 2017 9:01 AM
Filters
1. Open the front panel. (page 21.)
2. Pull out the air filters.
• Push upwards the tab at the center of each air
filter, then pull it down.
3. Take off the Honeycomb deodorizing filter,
Titanium apatite deodorizing filter.
• Hold the recessed parts of the frame and
unhook the four claws.
4. Clean or replace each filter.
See figure.
Honeycomb
deodorizing filter
or Titanium apatite
deodorizing filter
5. Set the air filter, Honeycomb
deodorizing filter and Titanium apatite
deodorizing filter as they were and
close the front panel.
• Insert claws of the filters into slots of the front panel.
• Push the panel at the 5 points.
■ Air Filter
1. Wash the air filters with water or clean them
with vacuum cleaner.
• If the dust does not come off easily, wash them with neutral detergent thinned with lukewarm water, then dry them up in the shade.
• It is recommended to clean the air filters every two weeks.
22
3PEN194444-5G.book Page 23 Tuesday, March 7, 2017 9:01 AM
■ Titanium apatite deodorizing filter (black-light blue)
[ Maintenance ]
1. Clean of dust every 6 months
• Vacuum dust and soak in cold or lukewarm water for about 10 to 15 minutes if very dirty (avoid using warm or hot water).
• After washing, shake off the remaining water and let it dry in the shade.
• Do not wring out the filter to remove water from it.
[ Replacement ]
1. Detach the filter element and attach a new one.
• It is recommended to replace the titanium apatite deodorizing filter every 3 years
■ Honeycomb deodorizing filter (gray)
[ Maintenance ]
1. Dry the Honeycomb deodorizing filter in the sun.
• After removing the dust with a vacuum cleaner, place the filter in the sun for approximately 6 hours.
By drying the Honeycomb deodorizing filter in the sun, its deodorizing capabilities are
regenerated.
• Because the filter material is paper, it can not be cleaned with water.
• It is recommended to dry the filter once every 6 months.
[ Replacement ]
1. Detach the filter element and attach a new one.
Check
Check that the base, stand and other fittings of the outdoor unit are not decayed or corroded.
Check that nothing blocks the air inlets and the outlets of the indoor unit and the outdoor unit.
Check that the drain comes smoothly out of the drain hose during COOL or DRY operation.
• If no drain water is seen, water may be leaking from the indoor unit. Stop operation and consult the service shop if this is the case.
23
3PEN194444-5G.book Page 24 Tuesday, March 7, 2017 9:01 AM
■ Before a long idle period
1. Operate the “FAN only” for several hours on a fine day to dry out the
inside.
• Press “MODE” button and select “FAN”operation.
• Press “ON/OFF” button and start operation.
2. After operation stops, turn off the breaker for the room air conditioner.
3. Clean the air filters and set them again.
4. Take out batteries from the remote controller.
• When a multi outdoor unit is connected, make sure the heating operation is not used at the
other room before you use the fan operation. (page 19.)
NOTE
• Operation with dirty filters:
(1) cannot deodorize the air.
(2) cannot clean the air.
(3) results in poor heating or cooling. (4) may cause odor.
• In principle, there is no need to replace the Honeycomb deodorizing filter. Remove the
dust periodically with a vacuum cleaner. However, it is recommended to replace the filter
in the following cases.
(1) The paper material is torn or broken during cleaning.
(2) The filter has become extremely dirty after long use.
• To order Honeycomb deodorizing filter or Titanium apatite deodorizing filter, contact to the
service shop where you bought the air conditioner.
• Dispose of old air filters as non-burnable waste.
Item
Honeycomb deodorizing filter (with frame)
Part No.
KAZ917B41
Honeycomb deodorizing filter (without frame)
KAZ917B42
Titanium apatite deodorizing filter (with frame)
BAF925D41
Titanium apatite deodorizing filter (without frame)
BAF925D42
24
3PEN194444-5G.book Page 25 Tuesday, March 7, 2017 9:01 AM
TROUBLE SHOOTING
Troubleshooting
These cases are not troubles.
The following cases are not air conditioner troubles but have some reasons. You may just continue using it.
Case
Explanation
Operation does not start soon.
• When ON/OFF button was
pressed soon after
operation was stopped.
• When the mode was
reselected.
• This is to protect the air conditioner.
You should wait for about 3 minutes.
Hot air does not flow out soon
after the start of heating
operation.
• The air conditioner is warming up. You should wait for 1 to 4
minutes.
(The system is designed to start discharging air only after it
has reached a certain temperature.)
The heating operation stops
suddenly and a flowing sound
is heard.
• The system is taking away the frost on the outdoor unit.
You should wait for about 3 to 8 minutes.
The outdoor unit emits water or
steam.
■ In HEAT mode
• The frost on the outdoor unit melts into water or steam
when the air conditioner is in defrost operation.
■ In COOL or DRY mode
• Moisture in the air condenses into water on the cool
surface of outdoor unit piping and drips.
Mist comes out of the indoor
unit.
• This happens when the air in the room is cooled into mist by
the cold air flow during cooling operation.
The indoor unit gives out odour. • This happens when smells of the room, furniture, or
cigarettes are absorbed into the unit and discharged with the
air flow.
(If this happens, we recommend you to have the indoor unit
washed by a technician. Consult the service shop where you
bought the air conditioner.)
The outdoor fan rotates while
the air conditioner is not in
operation.
■ After operation is stopped:
• The outdoor fan continues rotating for another 60
seconds for system protection.
■ While the air conditioner is not in operation:
• When the outdoor temperature is very high, the outdoor
fan starts rotating for system protection.
The operation stopped
suddenly.
(OPERATION lamp is on.)
■ For system protection, the air conditioner may stop
operating on a sudden large voltage fluctuation.
It automatically resumes operation in about 3 minutes.
25
3PEN194444-5G.book Page 26 Tuesday, March 7, 2017 9:01 AM
Check again.
Please check again before calling a repair person.
Case
The air conditioner does not
operate.
(OPERATION lamp is off.)
Check
•
•
•
•
Hasn’t a breaker turned OFF or a fuse blown?
Isn’t it a power failure?
Are batteries set in the remote controller?
Is the timer setting correct?
Cooling (Heating) effect is poor. • Are the air filters clean?
• Is there anything to block the air inlet or the outlet of the
indoor and the outdoor units?
• Is the temperature setting appropriate?
• Are the windows and doors closed?
• Are the air flow rate and the air direction set appropriately?
Operation stops suddenly.
(OPERATION lamp flashes.)
• Are the air filters clean?
• Is there anything to block the air inlet or the outlet of the
indoor and the outdoor units?
Clean the air filters or take all obstacles away and turn the
breaker OFF. Then turn it ON again and try operating the air
conditioner with the remote controller. If the lamp still blinks,
call the service shop where you bought the air conditioner.
• Are operation modes all the same for indoor units
connected to outdoor units in the multi system?
If not, set all indoor units to the same operation mode and
confirm that the lamps blink.
Moreover, when the operation mode is in “AUTO”, set all
indoor unit operation modes to “COOL” or “HEAT” for a
moment and check again that the lamps are normal.
If the lamps stop blinking after the above steps, there is no
malfunction.
(page 19.)
An abnormal functioning
happens during operation.
• The air conditioner may malfunction with lightning or radio
waves. Turn the breaker OFF, turn it ON again and try
operating the air conditioner with the remote controller.
26
3PEN194444-5G.book Page 27 Tuesday, March 7, 2017 9:01 AM
Call the service shop immediately.
WARNING
■ When an abnormality (such as a burning smell) occurs, stop operation and turn the breaker OFF.
Continued operation in an abnormal condition may result in troubles, electric shocks or fire.
Consult the service shop where you bought the air conditioner.
■ Do not attempt to repair or modify the air conditioner by yourself.
Incorrect work may result in electric shocks or fire.
Consult the service shop where you bought the air conditioner.
If one of the following symptoms takes place, call the service shop immediately.
n n n n n n ■ After a power failure
■ Lightning
The air conditioner automatically resumes operation
If lightning may strike the neighbouring area, stop operin about 3 minutes. You should just wait for a while.
ation and turn the breaker OFF for system protection.
27
3PEN194444-5G.book Page 28 Tuesday, March 7, 2017 9:01 AM
Disposal requirements
Your product and the batteries supplied with the controller are marked with this symbol. This symbol means
that electrical and electronic products and batteries shall not be mixed with unsorted household waste.
For batteries, a chemical symbol can be printed beneath the symbol. This chemical symbol means
that the battery contains a heavy metal above a certain concentration. Possible chemical symbols are:
 Pb: lead (>0.004%)
Do not try to dismantle the system yourself: the dismantling of the product, treatment of the refrigerant, of oil and
of other parts must be done by a qualified installer in accordance with relevant local and national legislation.
Units and waste batteries must be treated at a specialized treatment facility for re-use, recycling and recovery.
By ensuring correct disposal, you will help to prevent potential negative consequences for the environment and human health.
Please contact the installer or local authority for more information.
We recommend periodical maintenance.
In certain operating conditions, the inside of the air conditioner may get foul after several seasons of use, resulting in poor performance. It is recommended to have periodical maintenance by a specialist aside from regular
cleaning by the user. For specialist maintenance, contact the service shop where you bought the air conditioner.
The maintenance cost must be born by the user.
Important information regarding the refrigerant used
This product contains fluorinated greenhouse gases. Do not vent gases into the atmosphere.
Refrigerant type: R410A
GWP (1) value: 2087.5
(1)
GWP = global warming potential
Periodical inspections for refrigerant leaks may be required depending on European or local legislation.
Please contact your local dealer for more information.
NOTICE regarding tCO2eq
In Europe, the greenhouse gas emissions of the total refrigerant charge in the system
(expressed as tonnes CO2 -equivalent) is used to determine the maintenance intervals.
Follow the applicable legislation.
Formula to calculate the greenhouse gas emissions:
GWP value of the refrigerant × Total refrigerant charge [in kg] / 1000
28
3PEN194444-5G.book Page 29 Tuesday, March 7, 2017 9:01 AM
Fault diagnosis.
FAULT DIAGNOSIS BY REMOTE CONTROLLER
In the ARC433 series, the temperature display sections on the main unit indicate corresponding codes.
1. When the TIMER CANCEL button is held down for 5 seconds, a “ ” indication flashes on
the temperature display section.
ON
C
HOME LEAVE
ON/OFF
POWERFUL
TEMP
MODE
QUIET
FAN
SWING
TIMER CANCEL button
It cancels the timer setting.
2. Press the TIMER CANCEL button repeatedly until a continuous beep is produced.
• The code indication changes as shown below, and notifies with a long beep.
SYSTEM
INDOOR UNIT
OUTDOOR
UNIT
CODE
00
U0
U2
U4
A1
A5
A6
C4
C9
EA
E5
E6
E7
E8
F3
F6
H6
H8
H9
J3
J6
L4
L5
P4
MEANING
NORMAL
REFRIGERANT SHORTAGE
DROP VOLTAGE OR MAIN CIRCUIT OVERVOLTAGE
FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT AND OUTDOOR UNIT)
INDOOR PCB DEFECTIVENESS
HIGH PRESSURE CONTROL OR FREEZE-UP PROTECTOR
FAN MOTOR FAULT
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
FAULTY SUCTION AIR TEMPERATURE SENSOR
COOLING-HEATING SWITCHING ERROR
OL STARTED
FAULTY COMPRESSOR START UP
DC FAN MOTOR FAULT
OPERATION HALT DUE TO DETECTION OF INPUT OVER CURRENT
HIGH TEMPERATURE DISCHARGE PIPE CONTROL
HIGH PRESSURE CONTROL (IN COOLING)
OPERATION HALT DUE TO FAULTY POSITION DETECTION SENSOR
CT ABNORMALITY
FAULTY SUCTION AIR TEMPERATURE SENSOR
FAULTY DISCHARGE PIPE TEMPERATURE SENSOR
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK
OUTPUT OVERCURRENT
FAULTY INVERTER CIRCUIT HEATSINK TEMPERATURE SENSOR
NOTE
1. A short beep and two consecutive beeps indicate non-corresponding codes.
2. To cancel the code display, hold the TIMER CANCEL button down for 5 seconds. The code
display also cancel itself if the button is not pressed for 1 minute.
29
3PEN194444-5G.book Page 30 Tuesday, March 7, 2017 9:01 AM
LED ON OUTDOOR UNIT PCB
2MXS, 3MXS, 3MKS, 4MXS, 4MKS, 5MXS, 5MKS series
GREEN
RED
MICROCOMPUTER
NORMAL
MALFUNCTION
DETECTION
LED-A
LED1 LED2 LED3 LED4 LED5
DIAGNOSIS
NORMAL
CHECK INDOOR UNIT
HIGH PRESSURE PROTECTOR WORKED OR FREEZE-UP IN OPERATING UNIT OR STAND-BY UNIT
∗ OVERLOAD RELAY WORKED OR HIGH DISCHARGE PIPE TEMPERATURE
FAULTY COMPRESSOR START
INPUT OVERCURRENT
∗ THERMISTOR OR CT ABNORMALITY
HIGH TEMPERATURE SWITCHBOX
HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK
∗ OUTPUT OVERCURRENT
∗ REFRIGERANT SHORTAGE
LOW VOLTAGE TO MAIN CIRCUIT OR MOMENTARY VOLTAGE LOSS
REVERSING SOLENOID VALVE SWITCHING FAILURE
FAN MOTOR FAULT
[NOTE 1]
POWER SUPPLY FAULT OR [NOTE 2]
NOTE: The LED5 is only available in the 5M Series.
GREEN
RED
NORMALLY
FLASHING
NORMALLY OFF
ON
FLASHING
OFF
IRRELEVANT
LED ON OUTDOOR UNIT PCB
2MXS, 2MKS series
GREEN
MICROCOMPUTER
NORMAL
DIAGNOSIS
LED-A
NORMAL
CHECK INDOOR UNIT
[NOTE 1]
POWER SUPPLY FAULT OR [NOTE 2]
GREEN
NORMALLY
FLASHING
ON
FLASHING
OFF
NOTE
1. Turn the power off and then on again. If the LED display recurs,the outdoor unit PCB is
faulty.
2. Diagnosis marked
∗ Do not apply to some cases. For details, refer to the service guide.
30
3PEN194444-5G.book Page 1 Tuesday, March 7, 2017 9:01 AM
3P194444-5H M06B204H (1704)
HT