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Fig. 1 Indoor Unit
Fig. 6 Remote Control Unit
HMASTER CONTROL button
ISET TEMP. / SET TIME buttons (+/-)
JSignal Transmitter
KTIMER button
LFAN CONTROL button
MSTART/STOP button
NAIR CLEAN button
OSET button
1Operating Control Panel (Fig. 2)
2AIR CLEANER RESET / MANUAL AUTO
button
ꢀ Intake grill opening mechanism.
When the remote control is not available
for use, this button can be used as a
Quick-start button. However when the
Air Cleaning check function (see page 13)
is in operation, this button is used as a
reset button.
PSWING button
QACL button
RTIME ADJUST button
3Indicator Lamps (Fig. 3)
4Remote Control Signal Receiver
5OPERATION Indicator Lamp (red)
6TIMER Indicator Lamp (green)
Rear side (Fig. 7)
STEST RUN
ꢀ Touch the two metal contacts with a
metallic object to send the signal to
perform a test run.
ꢀ If the TIMER indicator lamp flashes when
the timer is operating, it indicates that a
fault has occurred with the timer setting
ꢀ
Perform a test run only when installing the
air conditioner. If the signal to perform a
test run is received during normal
operation, the air conditioner’s thermostat
will malfunction.
(See Page GAuto Restart).
7AIR CLEAN Indicator Lamp (green)
8SWING Indicator Lamp (orange)
9Intake Grille (Fig. 4)
0Air Filter
AAir Flow Direction Louver
BRight-Left Louver
(behind Air Flow Direction Louver)
CDrain Hose
DElectrical Air Cleaning Filter
ꢀ
If the signal to perform a test run is re-
ceived during normal operation, the unit
will switch to the test operation mode and
the indoor unit’s OPERATION and TIMER
indicator lamps will flash simultaneously.
ꢀ To stop the test operation mode, press the
START/STOP button to stop the air
conditioner.
TRemote Control Unit Display (Fig. 8)
UTransmit Indicator
Fig. 5 Outdoor Unit
VClock Display
EIntake Port
FOutlet Port
GPipe Unit
WOperating Mode Display
XTimer Mode Display
YFan Speed Display
ZTemperature Set Display
[Timer Set Indicator
\Temperature Set Indicator
ꢀ Refer to the folded out page on the cover.
En-2
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FEATURES AND FUNCTIONS
SLEEP TIMER
SUPER QUIET OPERATION
When SLEEP is selected be pressing TIMER button during
Heating mode, the air conditioner’s thermostat setting is
gradually lowered during the period of operation; during
Cooling or Dry mode, the thermostat setting is gradually
raised during the period of operation. When the set time is
reached, the unit automatically turns off.
When the FAN CONTROL button is used to select QUIET,
the unit begins super-quiet operation; the indoor unit’s air-
flow is reduced to produce quieter operation.
AIR CLEANING MODE
Relies on the air conditioner’s power to quickly purify the
air in the room.
SWING OPERATION
The Air Flow Direction Louvers swings automatically up and
down so that the air speeds to every nook and corner of
your room.
ELECTRONIC AIR CLEAN FILTER
Install for use inside of the dust collection unit. For details
on how to install the filter, please refer to page 15.
Electrical power is used to charge the filter to remove con-
taminants from the air and to effectively collect dust and
remove odors. It also helps to reduce the bacterial activity.
WIRELESS REMOTE CONTROL UNIT
The Wireless Remote Control Unit allows convenient con-
trol of air conditioner operation.
MILDEW-RESISTANT FILTER
The AIR FILTER has been treated to resist mildew growth,
thus allowing cleaner use and easier care.
WIRED REMOTE CONTROL UNIT (OPTION)
The optional wired remote control unit (model No.: AR-3TA ) can be used.
When you use remote control unit, there are following different points as compared with
using wireless remote control unit.
[The additional functions for wired ones]
• Weekly timer
• Temperature set back timer
[The restricted functions for wired ones]
• Air-cleaning function can't be turned ON/OFF. (During operation, it is always ON)
• QUIET can't be selected in FAN MODE.
• Sleep-timer can't be used.
And you can't use both wired remote control unit and wireless simultaneously.
(Only one kind can be selected)
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En-3
PREPARATION
CAUTION!
Turn on the Power
ꢀ Take care to prevent infants from
accidentally swallowing batteries.
ꢀ When not using the remote control unit
for an extended period, remove the
batteries to avoid possible leakage and
damage to the unit.
In the case of a direct line connection, turn on the circuit
breaker.
ꢀ If leaking battery fluid comes in contact
with your skin, eyes, or mouth, immedi-
ately wash with copious amounts of
water, and consult your physician.
ꢀ Dead batteries should be removed
immediately and disposed of properly,
either in a battery collection receptacle
or to the appropriate authority.
Load Batteries (R03 / LR03 × 2)
Press and slide the battery compartment lid on the re-
1
verse side to open it.
Slide in the direction of the arrow while pressing the
mark.
ꢀ Do not attempt to recharge dry batteries.
Never mix new and used batteries, or
batteries of different types.
Insert batteries.
Be sure to align the battery polarities (
2
3
) correctly.
Batteries should last about one year
under normal use. If the remote control
unit’s operating range becomes appre-
ciably reduced, replace the batteries and
press the ACL button with the tip of a
ballpoint pen or other small object.
Close the battery compartment lid.
Set the Current time
Press the TIME ADJUST button (Fig. 6 R).
1
2
Use the tip of a ball-point pen or other small object to press the button.
Use the ,/ -SET TEMP. / SET TIME buttons (Fig. 6
I) to adjust the clock to the current time.
,button: Press to advance the time.
-button: Press to reverse the time.
(Each time the buttons are pressed, the time will be advanced/reversed in
one-minute increments; hold the buttons depressed to change the time
quickly in ten-minute increments.)
Press the TIME ADJUST button again.
This completes the time setting and starts the clock.
3
To Use the Remote Control Unit
ꢀ The Remote Control Unit must be pointed at signal receiver (Fig. 1 4) to operate
correctly.
ꢀ Operating Range: About 7 meters.
ꢀ When a signal is properly received by the air conditioner, a beeping sound will
be heard.
ꢀ If no beep is heard, press the Remote Control Unit button again.
Remote Control Unit Holder
Insert
Slide up
Pull out
Press in
Screws
1
Mount the Holder. 2 Set the Remote Control
Unit.
3
To remove the Remote
Control Unit (when use at
hand).
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OPERATION
To Select Mode Operation
Press the START / STOP button (Fig.6 M).
1
2
The indoor unit’s OPERATION indicator lamp (red) (Fig. 3 5) will light.
The air conditioner will start operating.
Press the MASTER CONTROL button (Fig.6 H) to se-
lect the desired mode.
Each time the button is pressed, the mode will change in the following
order.
sAUTO
sCOOL
s DRY
FANt
Example: When set to COOL.
About three seconds later, the entire display will reappear.
To Set the Thermostat
Press the SET TEMP. / SET TIME buttons (Fig. 6 I).
,button: Press to raise the thermostat setting.
-button: Press to lower the thermostat setting.
ꢀThermostat setting range:
AUTO .................................. 64 to 88 °F
Cooling/Dry ........................ 64 to 88 °F
The thermostat cannot be used to set room temperature during the
FAN mode (the temperature will not appear on the remote control
unit’s display).
About three seconds later, the entire display will reappear.
The thermostat setting should be considered a standard value, and may differ
somewhat from the actual room temperature.
Example: When set to 86 °F.
To Set the Fan Speed
Press the FAN CONTROL button (Fig. 6 L).
Each time the button is pressed, the fan speed changes in the following order:
s
AUTO
s
s
s
s
HIGH
MED
LOW
QUIET
About three seconds later, the entire display will reappear.
When set to AUTO:
Cooling : As the room temperature approaches that of the thermostat setting,
the fan speed becomes slower.
Fan
: The fan runs at the low fan speed.
The fan will operate at a very low setting during Monitor operation
and at the start of the Heating mode.
When set to QUIET:
Example: When set to AUTO.
SUPER QUIET operation begins. The indoor unit’s airflow will be reduced for qui-
eter operation.
ꢀ SUPER QUIET operation cannot be used during Dry mode. (The same is true
when dry mode is selected during AUTO mode operation.)
ꢀ Heating and Cooling performance will be reduced somewhat during SUPER QUIET
operation.
To Stop Operation
Press the START/STOP button (Fig.6 M).
The OPERATION indicator lamp (red) (Fig. 3 5) will go out.
En-5
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OPERATION
About Mode Operation
AUTO:
G
Depending on the room temperature at the time operation begins, the
operating mode will be switched automatically as shown in the
accompanying table.
Also, depending on the operating mode, the room temperature set-
ting will cause the “standard” temperature to be set as shown.
During Cooling/Dry mode:
Set the thermostat to a temperature set-
ting that is lower than the current room
temperature. The Cooling and Dry modes
will not operate if the thermostat is set
higher than the actual room temperature
(in Cooling mode, the fan alone will oper-
ate).
Actual Room
Operating Mode
Thermostat Setting
Temperature
(standard setting)
During Fan mode:
You can not use the unit to heat and cool
your room.
88 °F or above →
Cooling
Cooling
Dry
Dry
Dry
→
→
→
→
→
82 °F
80 °F
76 °F
72 °F
68 °F
82 °F to 88 °F
78 °F to 82 °F
74 °F to 78 °F
Below 74 °F
→
→
→
→
The operating mode and standard thermostat settings are selected auto-
matically when operation begins.
G
When automatic operation is initiated, the fan will run at very low
speed for about one minute while the unit detects and selects the proper
operating mode.
G
G
Once the operating mode has been set, the mode will not change even
if the room temperature changes.
If the START/STOP button is pressed to recommence operation within
two hours after stopping automatic operation, the unit will begin op-
erating from the same mode as before.
Cooling: G Use to cool your room.
Dry:
G Use for gently cooling while dehumidifying your room.
G You cannot heat the room during Dry mode.
G During Dry mode, the unit will operate at low speed; in order to adjust
room humidity, the indoor unit’s fan may stop from time to time. Also,
the fan may operate at very low speed when adjusting room humidity.
G The fan speed cannot be changed manually when Dry mode has been
selected.
Fan:
G Use to circulate the air throughout your room.
En-6
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AIR CLEANING OPERATION
If you wish to eliminate dirt,dust,cigarette smoke, pollen, or just simply purify the
air of the room, use the Air Cleaning Mode.
Press the START/STOP button (Fig. 6 M).
1
The operation indicator lamp will light up (red, as shown in the figure).
(If the unit is already in operation, please proceed to step 2.)
Press the AIR CLEAN button (Fig. 6 N).
2
The AIR CLEAN indicator lamp (Fig. 3 7) will light up (green, as shown in
the figure).
ꢀ Air conditioning and Air Cleaning will function simultaneously.
If you wish to stop Air Clean
Press the AIR CLEAN button (Fig. 6 N) once again.
The AIR CLEAN indicator lamp (green) will switch off (as shown in the figure).
ꢀ This will only stop the Air Cleaning, the air conditioner will continue operating.
To also stop the air conditioner
Press the START/STOP button (Fig. 6 N).
The operation indicator lamp (Fig. 3 5) will go out (red, as shown in the figure).
ꢀ The next time the START / STOP button (Fig. 6 N) is pressed air conditioning
and air cleaning will both resume operating.
Air cleaning
ꢀ During operation, the unit produces a small amount of ozone that can be smelled.
ꢀ When this unit is used in combination with the ultrasonic humidifier, white
particles may become attached to the plasma filter unit. If this happens, clean the
plasma filter unit as soon as possible. (Refer to page 14.)
ꢀ The air cleaning operation cannot remove gases such as carbon monoxide and
alcohol from the air. During operation, ventilate the room often to prevent as-
phyxiation or suffocation.
ꢀ If the intake filter is removed during operation, a safety device will stop the
operation of the plasma filter unit. If this happens, the air clean indicator lamp
(green) on the indoor unit will flash after some time has passed. Use the START/
STOP button on the remote controller to stop the operation, install the intake
filter, and then use the START/STOP button to restart the operation.
ꢀ Use the FAN CONTROL button to change the fan speed. (Refer to page 6.) The
plasma filter unit operates most effectively at the highest fan speed.
ꢀ The air clean indicator lamp will flash to inform you that the periodic cleaning of
the plasma filter unit is required. (Refer to page 14.)
En-7
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TIMER OPERATION
Before using the timer function, be sure that the Remote Control Unit is set to the correct current time, see page 4.
To Use the ON timer or OFF timer
To Cancel the Timer
Press the START / STOP button (Fig. 6 M).
(if the unit is already operating, proceed to step 2).
The indoor unit's OPERATION Indicator Lamp (red) (Fig. 3 5) will light.
Use the TIMER button to select “TIMER
RESET.”
The air conditioner will return to normal
operation.
1
To Change the Timer Settings
Press the TIMER button (Fig. 6 K) to select the OFF
timer or ON timer operation.
Each time the button is pressed the timer function changes in the following
order:
Perform steps 2 and 3.
2
To Stop Air Conditioner Operation while
the Timer is Operating
Press the START / STOP button.
RESET
SLEEP
OFF
ON
PROGRAM (OFF
ON, OFF
ON)
To Change Operating Conditions
If you wish to change operating conditions
(Mode, Fan Speed, Thermostat Setting,
SUPER QUIET mode), after making the
timer setting wait until the entire display
reappears, then press the appropriate
buttons to change the operating condition
desired.
The indoor unit's green TIMER lamp (Fig. 3 6) will light.
Use the SET TEMP. / SET TIME buttons (Fig. 6 I) to
adjust the desired OFF time or ON time.
Set the time while the time display is flashing (the flashing will continue
for about five seconds).
3
,button: Press to advance the time.
-button: Press to reverse the time.
About five seconds later, the entire display will reappear.
To Use the Program Timer
To Cancel the Timer
Press the START / STOP button (Fig. 6 M).
(if the unit is already operating, proceed to step 2).
The indoor unit's OPERATION Indicator Lamp (red) (Fig. 3 5) will light.
Use the TIMER button to select “TIMER
RESET.”
The air conditioner will return to normal
operation.
1
To Change the Timer Settings
Set the desired times for OFF timer and ON timer.
2
See the section “To Use the ON Timer or OFF Timer” to set the desired
1. Follow the instructions given in the
section "To Use the ON Timer or OFF
Timer" to select the timer setting you
wish to change.
mode and times.
About three seconds later, the entire display will reappear.
The indoor unit's TIMER Indicator Lamp (green) (Fig. 3 6) will light.
2. Press the TIMER button to select either
OFF
ON or OFF
ON.
Press the TIMER button (Fig. 6 K) to select the
PROGRAM timer operation (OFF ON or OFF ON
To Stop Air Conditioner Operation while
the Timer is Operating
3
will display).
Press the START / STOP button.
The display will alternately show “OFF timer” and “ON timer”, then change
to show the time setting for the operation to occur first.
To Change Operating Conditions
If you wish to change operating conditions
(Mode, Fan Speed, Thermostat Setting,
SUPER QUIET mode), after making the
timer setting wait until the entire display
reappears, then press the appropriate
buttons to change the operating condition
desired.
ꢀ The program timer will begin operation. ( If the ON timer has been
selected to operate first, the unit will stop operating at this point).
About five seconds later, the entire display will reappear.
About the Program Timer
ꢀ The program timer allows you to integrate OFF timer and ON timer operations in
a single sequence. The sequence can involve one transition from OFF timer to
ON timer, or from ON timer to OFF timer, within a twenty-four hour period.
ꢀ The first timer function to operate will be the one set nearest to the current time.
The order of operation is indicated by the arrow in the Remote Control Unit's
Display (OFF
ON or OFF
ON ).
ꢀ One example of Program timer use might be to have the air conditioner
automatically stop ( OFF timer ) after you go to sleep, then start ( ON timer)
automatically in the morning before you arise.
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En-8
SLEEP TIMER OPERATION
Unlike other timer functions; the SLEEP timer is used to set the length of time until air conditioner operation is stopped.
To Use the SLEEP Timer
To Cancel the Timer:
Use the TIMER button to select “TIMER
RESET”.
The air conditioner will return to normal
operation.
While the air conditioner is operating or stopped,
press the TIMER button (Fig. 6 K).
The indoor unit's OPERATION Indicator Lamp (red) (Fig. 3 5) lights and
the TIMER Indicator Lamp (green) (Fig. 3 6) light.
1
To Stop the Air Conditioner During
Timer Operation:
To Change the TIMER Settings
Press the START / STOP button.
Press the TIMER button (Fig. 6 K) once again and set the time
using the time set buttons (Fig. 6 I).
Set the time while the time display is flashing (the flashing will continue about five
seconds).
,button: Press to advance the time.
-button: Press to reverse the time.
About five seconds later, the entire display will reappear.
About the SLEEP Timer
To prevent excessive cooling during sleep, the SLEEP timer function automatically modifies the thermostat setting in accon-
dance with the time setting. When the set time has elapsed, the air conditioner completely stops.
During Cooling/Dry operation:
When the SLEEP timer is set, the thermostat setting is automatically raised 2 °F every sixty minutes. When the thermostat has
been raised a total of 4 °F, the thermostat setting at that time is maintained until the set time has elapsed, at which time the air
conditioner automatically turns off.
SLEEP timer setting
Set time
1 hour
4 °F
2 °F
En-9
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ADJUSTING THE DIRECTION OF AIR CIRCULATION
Vertical (up-down) direction of airflow is adjusted by pressing the Remote Control Unit’s SET button. Horizontal (right-left)
airflow direction is adjusted manually, by moving the Air Flow Direction Louvers.
Whenever making horizontal airflow adjustments, start air conditioner operation and be sure that the vertical air direction
louvers are stopped.
Vertical Air Direction Adjustment
R
DANGER!
ꢀ Never place fingers or foreign objects in-
side the outlet ports, since the internal fan
operates at high speed and could cause
personal injury.
Press the SET button (Fig. 6 O).
Each time the button is pressed, the air direction range will change as follows:
1 2 3 4 5 6 7
ꢀ Always use the remote control unit’s
SET button to adjust the vertical airflow
louvers. Attempting to move them
manually could result in improper
operation; in this case, stop operation
and restart. The louvers should begin
to operate properly again.
Types of Air flow Direction Setting:
1,2,3
:
During Cooling / Dry modes
1,2,3,4,5,6,7 : During Fan mode
The remote Control Unit’s display does
not change.
ꢀ During Cooling and Dry modes, do not
move the vertical air direcion louvers
outside their proper operating range
for the mode (1- 3) and into the fan
region (4- 7) ; using the louvers in
the fan region will cause moisture to
condense near the air outlet, and water
may drop onto the floor. During the
Cooling / Dry modes, if the louvers are
operated outside the range 1- 3for
more than 30 minutes, they will
automatically return to position 3
range.
ꢀ Use the air direction adjustments within the ranges shown above.
ꢀ The vertical airflow direction is set automatically as shown, in accordance with
the type of operation selected.
During Cooling / Dry mode : Horizontal flow 1
Fan mode
: Downward flow 7
ꢀ During AUTO mode operation, for the first minute after beginning operation,
airflow will be horizontal 1; the air direction cannot be adjusted during this period.
ꢀ When used in a room with infants, chil-
dren, elderly or sick persons, the air
direction and room temperature
should be considered carefully when
making settings.
Right-Left Adjustment
R
DANGER!
ꢀ When adjusting the Right-Left Louvers, it
is necessary to stop the Air-Conditioner
first and make sure that it stops completely
before adjusting the direction.
Adjust the Right-Left louvers.
ꢀ Move the Right-Left louvers to adjust air flow in the direction you prefer.
knob
knobs (three places)
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En-10
SWING OPERATION
Begin air conditioner operation before performing this procedure.
To select SWING Operation
Press the SWING button (Fig. 6 P).
The SWING indicator lamp (orange) (Fig. 3 8) will light.
In this mode, the Air Flow Direction Louvers will swing automatically to direct the
air flow both up and down.
To Stop SWING Operation
Press the SWING button (Fig. 6 P) once again.
The SWING indicator lamp (orange) (Fig. 3 8) will go out.
Airflow direction will return to the setting before swing was begun.
About Swing Operation
ꢀ The range of swing is relative to the currently set airflow
direction.
ꢀ If the Remote Control Unit’s SET button is pressed during
swing, swing will be canceled, and the Air flow direction
will return to the setting before swing was setted.
ꢀ The SWING operation may stop temporarily when the air
conditioner’s fan is not operating, or when operating at
very low speeds.
MANUAL AUTO OPERATION
Use the MANUAL AUTO operation in the event the Remote Control Unit is lost or otherwise unavailable.
CAUTION!
How To Use the Main Unit Controls
Do not press the MANUAL AUTO button with
wet hands or pointed objects, otherwise an
electric shock or malfunction may occur.
Press the AIR CLEANER RESET / MANUAL AUTO button (Fig. 2
2) on the main unit control panel.
To stop operation, press the AIR CLEANER RESET / MANUAL AUTO button once
again. (Controls are located inside the Intake Grille)
ꢀ When the air conditioner is operated
with the controls on the Main Unit, it
will operate under the same mode as
the AUTO mode selected on the Re-
mote Control Unit (see page 6).
ꢀ The fan speed selected will be “AUTO”
and the thermostat setting will be
standard.
En-11
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CLEANING AND CARE
Before cleaning the plasma filter unit, be sure to turn off the power supply to the air conditioner.
Electric shock may result.
WARNING!
CAUTION!
ꢀ Make sure the plasma filter unit is properly mounted before cleaning or performing other tasks
on it. If the unit is not properly mounted, it could fall off and cause damage or injury.
ꢀ You can be injured if you touch the heat exchanger when removing or installing the plasma filter
unit. Do not insert your fingers between the plasma filter unit and the heat exchanger.
Cleaning the Intake Grille
1. Remove the Intake Grille.
Cleaning the Air Filter
1. Open the Intake Grille, and remove the air
filter.
1Place your fingers at both lower ends of the grille
panel, and lift forward; if the grille seems to catch
partway through its movement, continue lifting up-
ward to remove.
Lift up the air filter’s handle, disconnect the two lower
tabs, and pull out.
2Pull past the intermediate catch and open the Intake
Grill wide so that it become horizontal.
Intake Grille
Air filter handle
Intake Grille
2. Remove dust with a vacuum cleaner or
by washing.
After washing, allow to dry thoroughly in a shaded place.
Mounting
shaft
3. Replace the Air Filter and close the Intake
Grille.
1Align the sides of the Air Filter with the panel, and
push in fully, making sure the two lower tabs are re-
turned properly to their holes in the panel.
Knob
2. Clean with water.
Remove dust with a vacuum cleaner; wipe the unit with
warm water, then dry with a clean, soft cloth.
3. Replace the Intake Grille.
1Pull the knobs all the way.
2Hold the grille horizontal and set the left and right
mounting shafts into the bearings at the top of the
2Close the Intake Grille.
(For purposes of example, the illustration shows the unit
without Intake Grille installed.)
panel.
Mounting shaft
Bearing
Intake Grille
ꢀ Dust can be cleaned from the Air Filter either with a
vacuum cleaner, or by washing the filter in a solution of
mild detergent and warm water. If you wash the filter, be
sure to allow it to dry thoroughly in a shady place before
reinstalling.
Knob
Intake Grille
ꢀ If dirt is allowed to accumulate on the Air Filter, air flow
will be reduced, lowering operating efficiency and in-
creasing noise.
Mounting
shaft
ꢀ During periods of normal use, the Air Filters should be
cleaned every two weeks.
Knob
ꢀ When used for extended periods, the unit may accumulate dirt inside, reducing its performance. We recommend that the
unit be inspected regularly, in addition to your own cleaning and care. For more information, consult authorized service
personnel.
ꢀ When cleaning the unit’s body, do not use water hotter than 108 °F, harsh abrasive cleansers, or volatile agents like
benzene or thinner.
ꢀ Do not expose the unit body to liquid insecticides or hairsprays.
ꢀ When shutting down the unit for one month or more, first allow the fan mode to operate continuously for about one-half
day to allow internal parts to dry thoroughly.
En-12
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CLEANING THE PLASMA AIR CLEANING FILTER
Before cleaning the plasma filter unit, be sure to turn off the power supply to the air conditioner.
Electric shock may result.
WARNING!
CAUTION!
ꢀ Make sure the plasma filter unit is properly mounted before cleaning or performing other tasks
on it. If the unit is not properly mounted, it could fall off and cause damage or injury.
ꢀ You can be injured if you touch the heat exchanger when removing or installing the plasma filter
unit. Do not insert your fingers between the plasma filter unit and the heat exchanger.
Regarding the Air Cleaning check function
ꢀ This function is illustrated by the flashing of the AIR CLEAN indicator lamp (green), indicating that the unit requires
maintenance.
After Air Cleaning Mode has been in use for approximately 400 hours, the AIR CLEAN indicator lamp (green) will begin to
slowly flash (approximately once every 7 seconds). When this occurs, the unit requires maintenance.
After Air Cleaning Mode has been in use for approximately 500 hours, the AIR CLEAN indicator lamp (green) will begin to
flash quickly (approximately once every 3 seconds). At this point, Air Cleaning will cease functioning. Please carry out
appropriate maintenance for the unit.
ꢀ Please carry out unit maintenance every 6 months.
ꢀ If a squeaking or chirping sound is heard, unit maintenance needs to be carried out, even if the AIR CLEAN indicator lamp
(green) is not flashing.
Cleaning the dust collection unit
1. Open the intake grille and remove the air
filter on the right.
2. Remove the dust collection unit.
ꢀ
Please consult the instructions for cleaning the air
filter on page 12.
handle
Securely grasp the dust collection unit by the handle and
pull it out (as shown by the arrow).
(The above figure is only for reference, so the intake grille
is not included).
3. Wash with water and dry.
1Soak the plasma filter unit in warm water (104 to
122 °F) for 10 to 15 minutes. If the plasma filter unit is
extremely dirty, extremely dilute a mild synthetic laun-
dry detergent (low alkalinity or isotope detergent) to
15 times the standard concentration and allow the
plasma filter unit to soak in it.
2Gently move up and down and to the right and left. A
soft sponge can also be used to wipe the surface.
3Rinse with clean water.
ꢀ Only use a mild synthetic laundry detergent (low
alkalinity or isotope detergent).
ꢀ Never disassemble the plasma filter unit.
ꢀ Never soak the plasma filter unit in hot water.
ꢀ Never wipe the plasma filter unit with a scrub brush
or other hard or abrasive items. This will damage
the honey comb filter.
ꢀ Never insert a brush into the inside of plasma filter
unit for washing. This will damage the internal parts
and cause malfunctioning of the plasma filter unit.
4Shake the plasma filter unit to drain off the water. (If
the plasma filter unit is extremely dirty, repeat Steps
1through 4two or three more times.)
ꢀ Never use dryer or other device to blow hot air on
the plasma filter unit. This will cause deformation
or other damage.
5Place the plasma filter unit in the shade and allow it
to dry completely.
ꢀ Before re-installing the unit, please wait until it is
completely dry. If the unit is installed when still wet
and then put into operation, the OPERATION
indicator lamp (red) and the TIMER indicator lamp
(green) will flash and Air Cleaning will stop.
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En-13
Cleaning the dust collection unit
4. Install the unit.
5. Install the air filter.
(The above figure is only for reference, so the intake grille
is not included.)
ꢀ Please consult instructions for cleaning the air filter
on page 12.
6. Close the intake grille.
Push the intake grill in at 4 points (the two ends of its
lower side as well as two center points of the lower side,
as shown in the figure) to close it.
Align the two ends of the dust collection
unit with the guide rail and slide in.
1
Please ensure that the intake grille is
closed properly.
Guide rail
ꢀ If, after cleaning the dust collection unit, the
operation indicator lamp and the timer indicator
lamp flash during Air Cleaning, please ensure that
the unit is not damp and that the intake grille is
properly closed.
ꢀ If, after having checked that the unit is fully dry and
that the intake grille is closed properly, the indicator
lamps continue to flash, the dust collection unit may
be damaged. Please consult an authorised dealer
to obtain a replacement.
2Slide in until it clicks.
“Click”
“Click”
WARNING!
ꢀBe sure the Intake Grille (Fig. 1 9) is installed
securely.
ꢀ Please ensure that the dust collection unit is
completely dry before installing.
ꢀ After installing the dust collection unit, please
ensure that it has been inserted fully into its place.
If it has not been installed correctly, the OPERATION
indicator lamp (red) and the TIMER indicator lamp
(green) will flash, and Air Cleaning will stop.
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How to install or remove the Air-
cleaning and Deodorizing filter
Air-cleaning and Deodorizing filter
maintenance
As well as ensuring the maintenance of the dust collecting
unit, please also take care of the filter.
(Please carry out maintenance on the filter every 6 months.)
1. Remove the dust-collecting unit.
ꢀ
Please consult steps 1 and 2 of cleaning the dust-
collecting unit on page 13.
1. Open the intake grille and remove the air
filter from the right side.
2. Install or remove the Air-cleaning and
Deodorizing filter into the unit.
1Open the filter case inside the dust-collecting unit.
ꢀ
Please consult step 1 of cleaning the air filter on page 12.
2. Take out the unit and remove the Air-
Hook
Hook
cleaning and Deodorizing filter.
ꢀ Please consult steps 2 and 3 of cleaning the air filter
on page 13.
Filter case
3. Air-dry after washing.
1Wash using lukewarm or warm water. If quite dirty,
wash using a mild detergent.
Please do not rub the filter, it may cause its Air-
cleaning performance to be reduced.
2Insert or remove the Air-cleaning and Deodorizing filter
into the dust-collecting unit.
2Rinse it under running water.
Install
3Allow it to dry thoroughly in a shaded place.
4. Install the Air-cleaning and Deodorizing
filter.
ꢀ
Please consult the instructions on how to install the
filter on page 15.
Filter
Remove
5. Install the air filter and close the intake
grille.
3Close the filter case.
ꢀ
Please consult step 3 of cleaning the air filter on
page 12.
Filter Case
“Click”
Regarding the Air-cleaning and Deodorizing filter
Hook
“Click”
ꢀ Please change the filter approximately every 2 years to
ensure good Air-cleaning performance. (This is only
possible if the filter is cleaned once every six months)
Hook
ꢀ Please ensure that the filter case is properly
closed. If the filter case is not properly closed,
the filter could fall out.
When changing the filter, please make sure you
purchase the correct model (type F–Y5787).
ꢀ Please only install filters that are licensed by our
company.
3. Install the dust-collection unit.
ꢀ Please consult steps 6, 7 and 8 of cleaning the dust-
collection unit on page 14.
ꢀ Regarding storage and care of the filter, please avoid
exposing it to high temperatures and high humidity.
Also, use it as soon as possible after opening its
packaging.
❇ When removing the filter, please follow these
steps backwards.
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TROUBLESHOOTING
In the event of a malfunction (burning smell, etc.), immediately stop operation, disconnect the
Power Supply Plug, and consult authorized service personnel.
WARNING!
Merely turning off the unit’s power switch will not completely disconnect the unit from the
power source. Always be sure to disconnect the Power Supply Plug or turn off your circuit
breaker to ensure that power is completely off.
Before requesting service, perform the following checks:
Symptom
Problem
See Page
Doesn’t operate
immediately:
ꢀ If the unit is stopped and then immediately started again, the com-
pressor will not operate for about 3 minutes, in order to prevent
fuse blowouts.
NORMAL
FUNCTION
—
ꢀ
Whenever the Power Supply Plug is disconnected and then re-
connected to a power outlet, the protection circuit will operate for
about 3 minutes, preventing unit operation during that period.
Noise is heard:
ꢀ During operation and immediately after stopping the unit, the
sound of water flowing in the air conditioner’s piping may be
heard. Also, noise may be particularly noticeable for about 2 to 3
minutes after starting operation (sound of coolant flowing).
ꢀ During operation, a slight squeaking sound may be heard. This is
the result of minute expansion and contraction of the front cover
due to temperature changes.
—
ꢀ
During Heating operation, a sizzling sound may be heard occasional.
This sound is produced by the Automatic Defrosting operation.
17
—
Smells:
ꢀ Some smell may be emitted from the indoor unit. This smell is
the result of room smells (furniture, tobacco, etc.) which have
been taken into the air conditioner.
Mist or steam are
emitted:
ꢀ During Cooling or Dry operation, a thin mist may be seen emitted
from the indoor unit. This results from the sudden Cooling of
room air by the air emitted from the air conditioner, resulting in
condensation and misting.
—
ꢀ During Heating operation, the outdoor unit’s fan may stop, and
steam may be seen rising from the unit. This is due to Automatic
Defrosting operation.
17
Airflow is weak or stops:
ꢀ When Heating operation is started, fan speed is temporarily very
low, to allow internal parts to warm up.
ꢀ During Heating operation, if the room temperature rises above
the thermostat setting, the outdoor unit will stop, and the indoor
unit will operate at very low fan speed. If you wish to warm the
room further, set the thermostat for a higher setting.
—
ꢀ During Heating operation, the unit will temporarily stop opera-
tion (between 7 and 15 minutes) as the Automatic Defrosting mode
operates. During Automatic Defrosting operation, the OPERATION
indicator lamp will flash.
17
ꢀ The fan may operate at very low speed during Dry operation or
when the unit is monitoring the room’s temperature.
5
5
ꢀ During SUPER QUIET operation, the fan will operate at very low
speed.
ꢀ In the monitor AUTO operation, the fan will operate at very low
speed.
5
Water is produced from
the outdoor unit:
ꢀ During Heating operation, water may be produced from the out-
door unit due to Automatic Defrosting operation.
17
The AIR CLEAN indicator
lamp (green) will begin to
slowly flash (as shown in
the figure):
ꢀ After approximately 400 hours of Air Cleaning Mode use, the AIR
CLEAN indicator lamp will begin to flash slowly (as shown in the
figure). When this occurs, please stop the system, remove the
mains socket and carry out maintenance on the dust collecting
unit's air filter.
13 - 14
ꢀ After approximately 500 hours of Air Cleaning Mode use, the AIR
CLEAN indicator lamp will begin to flash quickly (as shown in the
figure). At this point, Air Cleaning will stop functioning. Please 13 - 14
stop the system, remove the mains socket and carry out
maintenance on the dust collecting unit's air filter.
The AIR CLEAN indicator
lamp (green) will begin to
flash quickly (as shown in
the figure):
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TROUBLESHOOTING
Items to check
Symptom
See Page
ꢀ Is the Power Supply Plug disconnected its outlet?
ꢀ Has there been a power failure?
CHECK ONCE Doesn’t operate at all:
MORE
—
ꢀ Has a fuse blown out, or a circuit breaker been tripped?
ꢀ Is the timer operating?
8 - 9
ꢀ Is the air filter dirty?
ꢀ Air the air conditioner’s intake grille or outlet port blocked?
Poor Cooling or Heating
performance:
ꢀ Did you adjust the room temperature settings (thermostat)
correctly?
ꢀ Is there a window or door open?
—
ꢀ In the case of Cooling operation, is a window allowing bright sun-
light to enter? (Close the curtains.)
ꢀ In the case of Cooling operation, are there heating apparatus and
computers inside the room, or are there too many people in the
room?
ꢀ Is the unit set for SUPER QUIET operation?
5
4
The unit operates
differently from the Remote
Control Unit’s setting:
ꢀ Are the Remote Control Unit’s batteries dead?
ꢀ Are the Remote Control Unit’s batteries loaded properly?
If the problem persists after performing these checks, or if you notice burning smells, or the TIMER indicator lamp (Fig. 3 6)
flashes, immediately stop operation, disconnect the Power Supply Plug (Fig. 1 D), and consult authorized service personnel.
OPERATING TIPS
Operation and Performance
Microcomputer-controlled Automatic Defrosting
ꢀ When using the Heating mode under conditions of low outdoor temperature and high humidity, frost may form on the
outdoor unit, resulting in reduced operating performance.
In order to prevent this kind of reduced performance, this unit is equipped with a Microcomputer-controlled Automatic
Defrosting function. If frost forms, the air conditioner will temporarily stop, and the defrosting circuit will operate briefly (for
about 7-15 minutes).
During Automatic Defrosting operation, the OPERATION indicator lamp (red) will flash.
AUTO Restart
In Event of Power Interruption
ꢀ The air conditioner power has been interrupted by a
power failure. The air conditioner will then restart auto-
matically in its previous mode when the power is restored.
ꢀ
If a power failure occurs during TIMER operation, the timer
will be reset and the unit will begin (or stop) operation at the
new time setting. In the event that this (kind of timer fault
occurs the TIMER Indicator Lamp will flash (see Page. 3)).
ꢀ Operated by setting before the power failure.
ꢀ Use of other electrical appliances (electric shaver, etc.) or
nearby use of a wireless radio transmitter may cause the
air conditioner to malfunction. In this event, temporarily
disconnect the Power Supply Plug, reconnect it, and then
use the Remote Control Unit to resume operation.
En-17
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OPERATING TIPS
Temperature and Humidity Range
Cooling/Dry Mode
About 32 to 115 °F
About 64 to 90 °F
Outdoor temperature
Indoor temperature
About 80% or less
Outdoor temperature
68°F or obove
If the unit is used for long periods under high-humidity
conditions, condensation may form on the surface of
the indoor unit, and drip onto the floor or other objects
underneath.
Indoor Humidity
Outdoor temperature
below 68°F
About 50% or less
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En-18
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