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2016-11-23

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ASU9RQ
ASU12RQ
AOU9RQ
AOU12RQ
En-2
Fig. 1 Indoor Unit
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.
3Indicator Lamps (Fig. 3)
4Remote Control Signal Receiver
5OPERATION Indicator Lamp (red)
6TIMER Indicator Lamp (green)
●If the TIMER indicator lamp flashes when
the timer is operating, it indicates that a
fault has occurred with the timer setting
(See Page G Auto 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
Fig. 5 Outdoor Unit
EIntake Port
FOutlet Port
GPipe 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
PSWING button
QACL button
RTIME ADJUST button
Rear side (Fig. 7)
STEST RUN
●Touch the two metal contacts with a
metallic object to send the signal to
perform a test run.
●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.
●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
VClock Display
WOperating Mode Display
XT imer Mode Display
YFan Speed Display
ZTemperature Set Display
[T imer Set Indicator
\Temperature Set Indicator
● Refer to the folded out page on the cover.
FEATURES AND FUNCTIONS
AUTO CHANGEOVER
The operation mode (cooling, heating) is switched
automatically to maintain the set temperature, and the
temperature is kept constant at all times.
SLEEP TIMER
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.
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.
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.
SUPER QUIET OPERATION
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.
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.
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)
En-4
PREPARATION
CAUTION!
●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.
●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.
●Do not attempt to recharge dry batteries.
Never mix new and used batteries, or
batteries of different types.
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.
Turn on the Power
In the case of a direct line connection, turn on the circuit
breaker.
Load Batteries (R03 / LR03 ××
××
× 2)
1Press and slide the battery compartment lid on the re-
verse side to open it.
Slide in the direction of the arrow while pressing the mark.
2Insert batteries.
Be sure to align the battery polarities ( ) correctly.
3Close the battery compartment lid.
Set the Current time
1Press the TIME ADJUST button (Fig. 6 R).
Use the tip of a ball-point pen or other small object to press the button.
2Use 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.)
3Press the TIME ADJUST button again.
This completes the time setting and starts the clock.
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
Screws
Insert
Press in
Slide up
Pull out
3To remove the Remote
Control Unit (when use at
hand).
1Mount the Holder. 2Set the Remote Control
Unit.
To Select Mode Operation
1Press the START / STOP button (Fig.6 M).
The indoor unit’s OPERATION indicator lamp (red) (Fig. 3 5) will light.
The air conditioner will start operating.
2Press 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.
AUTO COOL DRY
HEAT FAN
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
Heating ............................... 60 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.
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:
AUTO HIGH MED LOW QUIET
About three seconds later, the entire display will reappear.
When set to AUTO:
Heating : Fan operates so as to optimally circulate warmed air.
However, the fan will operate at very low speed when the tempera-
ture of the air issued from the indoor unit is low.
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:
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.
OPERATION
ssss s
Example: When set to COOL.
Example: When set to 86 °F.
Example: When set to AUTO.
To Stop Operation
Press the START/STOP button (Fig.6 M).
The OPERATION indicator lamp (red) (Fig. 3 5) will go out.
t
sss
t
En-6
OPERATION
About AUTO CHANGEOVER Operation
AUTO: ●When AUTO CHANGEOVER operation first selected, the fan will oper-
ate at very low speed for about one minute, during which time the unit
detects the room conditions and selects the proper operating mode.
If the differance between thermostat setting and actual room tempera-
ture is more than +4 °F → Cooling
If the difference between thermostat setting and actual room tempera-
ture is within ±4 °F → Monitor operation
If the difference between thermostat setting and actual room tempera-
ture is more than –4 °F → Heating operation
●When the air conditioner has adjusted your room’s temperature to near
the thermostat setting, it will begin monitor operation. In the monitor
operation mode, the fan will operate at low speed. If the room tem-
perature subsequently changes, the air conditioner will once again
select the appropriate operation (Heating, Cooling) to adjust the tem-
perature to the value set in the thermostat.
(The monitor operation range is ±4 °F relative to the thermostat setting.)
●If the mode automatically selected by the unit is not what you wish,
select one of the mode operation (HEAT, COOL, DRY, FAN).
About Mode Operation
Heating: ●Use to warm your room.
●When Heating mode is selected, the air conditioner will operate at very
low fan speed for about 3 to 5 minutes, after which it will switch to the
selected fan setting. This period of time is provided to allow the indoor
unit to warm up before begin full operation.
●When the room temperature is very low, frost may form on the outside
unit, and its performance may be reduced. In order to remove such
frost, the unit will automatically enter the defrost cycle from time to
time. During Automatic Defrosting operation, the OPERATION indica-
tor lamp (red) will flash, and the heat operation will be interrupted.
Cooling: ●Use to cool your room.
Dry: ●Use for gently cooling while dehumidifying your room.
●You cannot heat the room during Dry mode.
●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.
●The fan speed cannot be changed manually when Dry mode has been
selected.
Fan: ●Use to circulate the air throughout your room.
During Heating mode:
Set the thermostat to a temperature set-
ting that is higher than the current room
temperature. The Heating mode will not
operate if the thermostat is set lower than
the actual room temperature.
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).
During Fan mode:
You can not use the unit to heat and cool
your room.
En-7
AIR CLEANING OPERATION
2Press the AIR CLEAN button (Fig. 6 N).
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.
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.)
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.
If you wish to eliminate dirt,dust,cigarette smoke, pollen, or just simply purify the
air of the room, use the Air Cleaning Mode.
1Press the START/STOP button (Fig. 6 M).
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.)
En-8
TIMER OPERATION
To Use the ON timer or OFF timer
1Press 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.
2Press 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:
The indoor unit's green TIMER lamp (Fig. 3 6) will light.
3Use 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).
, 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
1Press 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.
2Set the desired times for OFF timer and ON timer.
See the section “To Use the ON Timer or OFF Timer” to set the desired
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.
3Press the TIMER button (Fig. 6 K) to select the
PROGRAM timer operation (OFF ON or OFF ON
will display).
The display will alternately show “OFF timer” and “ON timer”, then change
to show the time setting for the operation to occur first.
● 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.
RESET SLEEP OFF ON
PROGRAM (OFF ON, OFF ON)
To Cancel the Timer
Use the TIMER button to select “TIMER
RESET.”
The air conditioner will return to normal
operation.
To Change the Timer Settings
Perform steps 2 and 3.
To Stop Air Conditioner Operation while
the Timer is Operating
Press the START / STOP button.
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.
To Cancel the Timer
Use the TIMER button to select “TIMER
RESET.”
The air conditioner will return to normal
operation.
To Change the Timer Settings
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.
2. Press the TIMER button to select either
OFF ON or OFF ON.
To Stop Air Conditioner Operation while
the Timer is Operating
Press the START / STOP button.
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.
Before using the timer function, be sure that the Remote Control Unit is set to the correct current time, see page 4.
En-9
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
1While 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.
To Change the TIMER Settings
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.
To Cancel the Timer:
Use the TIMER button to select “TIMER
RESET”.
The air conditioner will return to normal
operation.
To Stop the Air Conditioner During
Timer Operation:
Press the START / STOP button.
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 Heating operation :
When the SLEEP timer is set, the thermostat setting is
automatically lowered 2 °F every thirty minutes. When the
thermostat has been lowered a total of 8 °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
During Cooling/Dry operation:
When the SLEEP timer is set, the thermostat setting is auto-
matically raised 2 °F every sixty minutes. When the thermo-
stat 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
4 °F 6 °F 8 °F
30
minutes
2 °F
1 hour
1 hour
30 minutes
Set time
Set time
1 hour
2 °F 4 °F
En-10
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.
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.
●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.
●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 - 3 for
more than 30 minutes, they will
automatically return to position 3
range.
●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.
Vertical Air Direction Adjustment
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
Types of Air flow Direction Setting:
1,2,3: During Cooling / Dry modes
4,5,6,7 : During Heating mode
1,2,3,4,5,6,7 : During Fan mode
The remote Control Unit’s display does
not change.
●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
During Heating/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.
Right-Left Adjustment
Adjust the Right-Left louvers.
●Move the Right-Left louvers to adjust air flow in the direction you prefer.
knob
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.
knobs (three places)
En-11
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.
●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.
How To Use the Main Unit Controls
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.
●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.
CAUTION!
Do not press the MANUAL AUTO button with
wet hands or pointed objects, otherwise an
electric shock or malfunction may occur.
En-12
Before cleaning the plasma filter unit, be sure to turn off the power supply to the air conditioner.
Electric shock may result.
●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.
Cleaning the Air Filter
1. Open the Intake Grille, and remove the air
filter.
Lift up the air filter’s handle, disconnect the two lower
tabs, and pull out.
2. Remove dust with a vacuum cleaner or
by washing.
After washing, allow to dry thoroughly in a shaded place.
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.
2Close the Intake Grille.
(For purposes of example, the illustration shows the unit
without Intake Grille installed.)
●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.
●If dirt is allowed to accumulate on the Air Filter, air flow
will be reduced, lowering operating efficiency and in-
creasing noise.
●During periods of normal use, the Air Filters should be
cleaned every two weeks.
Cleaning the Intake Grille
1. Remove the Intake Grille.
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.
2Pull past the intermediate catch and open the Intake
Grill wide so that it become horizontal.
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
panel.
CLEANING AND CARE
Intake Grille Air filter handle
Intake Grille
Intake Grille
Mounting
shaft
Knob
Intake Grille
Mounting shaft
Bearing
Knob
Mounting
shaft
Knob
CAUTION!
WARNING!
●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.
En-13
CLEANING THE PLASMA AIR CLEANING FILTER
CAUTION!
WARNING!
●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.
Before cleaning the plasma filter unit, be sure to turn off the power supply to the air conditioner.
Electric shock may result.
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.
●Please consult the instructions for cleaning the air
filter on page 12.
handle
2. Remove the dust collection unit.
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.
4Shake the plasma filter unit to drain off the water. (If
the plasma filter unit is extremely dirty, repeat Steps
1 through 4 two or three more times.)
5Place the plasma filter unit in the shade and allow it
to dry completely.
● 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.
● Never use dryer or other device to blow hot air on
the plasma filter unit. This will cause deformation
or other damage.
● 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.
En-14
5. Install the air filter.
●
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.
● 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.
Align the two ends of the dust collection
unit with the guide rail and slide in.
Slide in until it clicks.
Guide rail
“Click”
“Click”
Please ensure that the intake grille is
closed properly.
Cleaning the dust collection unit
4. Install the unit.
(The above figure is only for reference, so the intake grille
is not included.)
● 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.
1
2
WARNING!
●Be sure the Intake Grille (Fig. 1 9) is installed
securely.
En-15
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. Open the intake grille and remove the air
filter from the right side.
●
Please consult step 1 of cleaning the air filter on page 12.
2. Take out the unit and remove the Air-
cleaning and Deodorizing filter.
● Please consult steps 2 and 3 of cleaning the air filter
on page 13.
3. Air-dry after washing.
1Wash using lukewarm or warm water. If quite dirty,
wash using a mild detergent.
2Rinse it under running water.
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.
5. Install the air filter and close the intake
grille.
●Please consult step 3 of cleaning the air filter on
page 12.
Regarding the Air-cleaning and Deodorizing filter
● 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)
● Please only install filters that are licensed by our
company.
● 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.
Hook
Filter case
Filter Case
Hook
Hook
Hook
“Click”
❇ When removing the filter, please follow these
steps backwards.
How to install or remove the Air-
cleaning and Deodorizing filter
1. Remove the dust-collecting unit.
●Please consult steps 1 and 2 of cleaning the dust-
collecting unit on page 13.
2. Install or remove the Air-cleaning and
Deodorizing filter into the unit.
1Open the filter case inside the dust-collecting unit.
2Insert or remove the Air-cleaning and Deodorizing filter
into the dust-collecting unit.
3Close the filter case.
3. Install the dust-collection unit.
● Please consult steps 6, 7 and 8 of cleaning the dust-
collection unit on page 14.
Filter
●Please ensure that the filter case is properly
closed. If the filter case is not properly closed,
the filter could fall out.
“Click”
When changing the filter, please make sure you
purchase the correct model (type F
–
Y5787).
Please do not rub the filter, it may cause its Air-
cleaning performance to be reduced.
Remove
Install
En-16
TROUBLESHOOTING
In the event of a malfunction (burning smell, etc.), immediately stop operation, disconnect the
Power Supply Plug, and consult authorized service personnel.
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:
WARNING!
Symptom
Doesn’t operate
immediately:
Noise is heard:
Smells:
Mist or steam are
emitted:
Airflow is weak or stops:
Water is produced from
the outdoor unit:
The AIR CLEAN indicator
lamp (green) will begin to
slowly flash (as shown in
the figure):
The AIR CLEAN indicator
lamp (green) will begin to
flash quickly (as shown in
the figure):
Problem
●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.
●
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.
●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.
●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.
●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.
●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.
●The fan may operate at very low speed during Dry operation or
when the unit is monitoring the room’s temperature.
●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.
●During Heating operation, water may be produced from the out-
door unit due to Automatic Defrosting operation.
●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.
●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
stop the system, remove the mains socket and carry out
maintenance on the dust collecting unit's air filter.
See Page
—
—
17
—
—
17
—
17
5
5
5
17
13 - 14
13 - 14
NORMAL
FUNCTION
En-17
TROUBLESHOOTING
Symptom
Doesn’t operate at all:
Poor Cooling or Heating
performance:
The unit operates
differently from the Remote
Control Unit’s setting:
See Page
—
8 - 9
—
5
4
CHECK ONCE
MORE
Items to check
●Is the Power Supply Plug disconnected its outlet?
●Has there been a power failure?
●Has a fuse blown out, or a circuit breaker been tripped?
●Is the timer operating?
●Is the air filter dirty?
●Air the air conditioner’s intake grille or outlet port blocked?
●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?
●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.
●
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)).
●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.
OPERATING TIPS
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 Auto-
matic Defrosting function. If frost forms, the air condi-
tioner 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.
Heating Performance
●This air conditioner operates on the heat-pump principle,
absorbing heat from outdoor air and transferring that heat
indoors. As a result, the operating performance is reduced
as outdoor air temperature drops. If you feel that insuffi-
cient heating performance is being produced, we recom-
mend you use this air conditioner in conjunction with
another kind of heating appliance.
●Heat-pump air conditioners heat your entire room by
recirculating air throughout the room, with the result that
some time may be required after first starting the air con-
ditioner until the room is heated.
Operation and Performance
AUTO Restart
In Event of Power Interruption
●The air conditioner power has been interrupted by a power
failure. The air conditioner will then restart automatically
in its previous mode when the power is restored.
●Operated by setting before the power failure.
En-18
OPERATING TIPS
Outdoor temperature
Indoor temperature
Cooling/Dry Mode
About 32 to 115 °F
About 64 to 90 °F
Heating Mode
About 17 to 75 °F
88 °F or less
Temperature and Humidity Range
If the unit is used for long pe-
riods under high-humidity
conditions, condensation may
form on the surface of the in-
door unit, and drip onto the
floor or other objects
underneath.
About 80% or less
About 50% or less
Indoor Humidity
Outdoor temperature
68°F or obove
Outdoor temperature
below 68°F

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