operating manual - Fujitsu Air Conditioning

OPERATING MANUAL
COOLING MODEL
ROOM AIR CONDITIONER
WALL MOUNTED TYPE
Indoor Unit
AST9ASJCW
AST12ASJCW
Outdoor Unit
AOT9AEJC
AOT12ASJC
KEEP THIS OPERATION MANUAL
FOR FUTURE REFERENCE
FUJITSU GENERAL LIMITED
P/N9312298044-01
CONTENTS
SAFETY PRECAUTIONS .......................................... 2
FEATURES AND FUNCTIONS ................................. 3
NAME OF PARTS ...................................................... 4
PREPARATION .......................................................... 6
OPERATION .............................................................. 7
TIMER OPERATION .................................................. 9
SLEEP TIMER OPERATION .................................... 10
ADJUSTING THE DIRECTION OF
AIR CIRCULATION .................................................. 11
SWING OPERATION ............................................... 12
MANUAL AUTO OPERATION ................................ 12
CLEANING AND CARE ........................................... 13
TROUBLESHOOTING ............................................. 14
OPERATING TIPS .................................................... 15
SAFETY PRECAUTIONS
WARNING!
DANGER!
CAUTION!
● If the power supply cord of this air conditioner is damaged, it must be replaced by
the manufacturer or its authorized service personnel only in order to avoid a safety
hazard.
● Do not attempt to install this air conditioner by yourself.
● This unit contains no user-serviceable parts. Always consult authorized service personnel for repairs.
● When moving, consult authorized service personnel for disconnection and installation of the unit.
● Do not become excessively chilled by staying for lengthy periods in the direct cooling
airflow.
● Do not insert fingers or objects into the outlet port or intake grilles.
● Do not start and stop air conditioner operation by disconnecting the power supply
cord and so on.
● Take care not to damage the power supply cord.
● In the event of a malfunction (burning smell, etc.), immediately stop operation, disconnect the power supply plug, and consult authorized service personnel.
● If the power supply cord of this appliance is damaged, it should only be replaced by
the authorized service personal, since special purpose tools and specified cord are
required.
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2
Provide occasional ventilation during use.
Do not direct air flow at fireplaces or heating apparatus.
Do not climb on, or place objects on, the air conditioner.
Do not hang objects from the indoor unit.
Do not set flower vases or water containers on top of air conditioners.
Do not expose the air conditioner directly to water.
Do not operate the air conditioner with wet hands.
Do not pull power supply cord.
Turn off power source when not using the unit for extended periods.
Check the condition of the installation stand for damage.
Do not place animals or plants in the direct path of the air flow.
Do not drink the water drained from the air conditioner.
Do not use in applications involving the storage of foods, plants or animals, precision
equipment, or art works.
Do not apply any heavy pressure to radiator fins.
Operate only with air filters installed.
Do not block or cover the intake grille and outlet port.
Ensure that any electronic equipment is at least one metre away from either the indoor or outdoor units.
Avoid installing the air conditioner near a fireplace or other heating apparatus.
When installing the indoor and outdoor unit, take precautions to prevent access to
infants.
Do not use inflammable gases near the air conditioner.
FEATURES AND FUNCTIONS
AUTOMATIC OPERATION
Merely press the START/STOP button, and the unit will begin automatic operation in the Cooling or Dry mode as appropriate, in accordance with the thermostat setting and the
actual temperature of the room.
REMOVABLE INTAKE GRILLE
The indoor unit’s Intake Grille can be removed for easy cleaning and maintenance.
MILDEW-RESISTANT FILTER
SLEEP TIMER
When the SLEEP timer button is pressed during Cooling
mode, the thermostat setting is gradually raised during the
period of operation. When the set time is reached, the unit
automatically turns off.
WIRELESS REMOTE CONTROL UNIT
The Wireless Remote Control Unit allows convenient control of air conditioner operation.
SWING OPERATION
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 airflow is reduced to produce quieter operation.
AIR CLEANING FILTER (Optional)
The optional Air Cleaning Filter (Model APS-03B) uses an
electrostatic principle to clean the air of fine particulate
matter such as tobacco smoke and plant pollen.
The Air Flow Direction Louvers swings automatically up and
down so that the air speeds to every nook and corner of
your room.
3
NAME OF PARTS
Fig. 1
1
2
Fig. 2
3
4
5
=
OPERATION
TIMER
SWING
@
9
0
-
6
7
~
!
Fig. 3
Fig. 5
8
%
#
$
Fig. 4
(
•
º
&
*
™
^
£
¶
)
∞
§
_
+
Fig. 6
Ÿ ª≠
¢
¡
–
Fig. 7
This figure shows the control display when all indicator lamps are on. It may differ from the actual display.
4
Fig. 1 Indoor Unit
Fig. 6 Remote Control Unit
1 Operating Control Panel (Fig. 2)
2 MANUAL AUTO button
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
3 Remote Control Signal Receiver
4 Indicator Lamps (Fig. 3)
5 OPERATION Indicator Lamp (red)
6 TIMER 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 15 AUTO Restart).
7 SWING Indicator Lamp (orange)
8
9
0
A
B
C
D
E
Intake Grille (Fig. 4)
Air Filter
Air Flow Direction Louver
Right-Left Louver
(behind Air Flow Direction Louver)
Drain Hose
Power Supply Plug
Power Supply Cord
Air Cleaning Filter (optional)
● This button is used when installing the
conditioner, and should not be used under normal conditions, as it will cause the
air conditioner’s thermostat function to operate incorrectly.
● If this button is pressed during normal operation, the unit will switch to test operation mode, and the Indoor Unit’s OPERATION Indicator Lamp and TIMER Indicator
Lamp will begin to flash simultaneously.
● To stop the test operation mode, press the
START/STOP button to stop the air conditioner.
Fig. 5 Outdoor Unit
F Intake Port
G Outlet Port
H Pipe Unit
SLEEP button
MASTER CONTROL button
SET TEMP. button (
/
)
Signal Transmitter
OFF TIMER button
ON TIMER button
SET TIMER button
CANCEL TIMER button
FAN CONTROL button
START/STOP button
AIR FLOW DIRECTION button
SWING LOUVER button
ACL button
TEST RUN button
W
X
Y
Z
Remote Control Unit Display (Fig. 7)
Transmit Indicator
Operating Mode Display
Timer Mode Display
OFF TIMER Mark:
ON TIMER Mark:
SLEEP TIMER Mark:
[ Fan Speed Display
\ Te m p e r a t u r e a n d t i m e d i s p l a y
It displays the temperature setting. However, when making the Timer setting, it will
display the Timer time. (The temperature
setting will reappear after finishing the
timer setting)
5
PREPARATION
CAUTION!
Turn on the Power
1
Connect the Power Supply Plug (Fig. 1 C) to an electrical outlet; in the case of a direct line connection, turn
on the circuit breaker.
Load Batteries (R03/LR03 × 2)
1
Press and slide the battery compartment lid on the reverse side to open it.
Slide in the direction of the arrow while pressing the
2
Insert batteries.
3
Close the battery compartment lid.
Be sure to align the battery polarities (
mark.
) correctly.
To Use the Remote Control Unit
● The Remote Control Unit must be pointed at signal receiver (Fig. 1 3) 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.
6
● 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, immediately 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 appreciably reduced, replace the batteries and
press the ACL button with the tip of a
ballpoint pen or other small object.
OPERATION
To Select Mode Operation
1
Press the START/STOP button (Fig.6 R).
2
Press the MASTER CONTROL button (Fig.6 J) to select the desired mode.
The indoor unit’s OPERATION indicator lamp (red) (Fig. 3 5) will light.
The air conditioner will start operating.
Each time the button is pressed, the mode will change in the following
order.
s AUTO
s COOL
s DRY
s FAN
About three seconds later, the entire display will reappear.
Example: When set to COOL.
To Set the Thermostat
Press the SET TEMP. button (Fig. 6 K).
button: Press to raise the thermostat setting.
button: Press to lower the thermostat setting.
●Thermostat setting range:
AUTO .................................. Standard temperature setting ± 2 °C
Cooling/Dry ........................ 18-30 °C
FAN ..................................... 17-30 °C
(During use of FAN mode, if the thermostat is set at 17 °C or lower, the display will
show ”--” and the fan will operate continuously, regardless of the room temperature.)
Example: When set to 26 °C.
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 Q).
Each time the button is pressed, the fan speed changes in the following order:
sAUTO
s HIGH
s
MED
sLOW
s 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 will operate at the optimum speed in accordance with the
room temperature in the vicinity of the indoor unit.
Example: When set to AUTO.
When set to QUIET:
SUPER QUIET operation begins. The indoor unit’s airflow will be reduced for quieter operation.
● SUPER QUIET operation cannot be used during Dry mode. (The same is true
when dry mode is selected during AUTO mode operation.)
● Cooling performance will be reduced somewhat during SUPER QUIET operation.
7
OPERATION
To Stop Operation
Press the START/STOP button.
The OPERATION indicator lamp (red) (Fig. 3 5) will go out.
About Mode Operation
AUTO:
● 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 setting will cause the “standard” temperature to be set as shown.
Actual Room
Temperature
30 °C or above
27 °C to 30 °C
25 °C to 27 °C
23 °C to 25 °C
Below 23 °C
Operating Mode
→
→
→
→
→
Cooling
Cooling
Dry
Dry
Dry
→
→
→
→
→
Thermostat Setting
(standard setting)
27 °C
26 °C
24 °C
22 °C
20 °C
The operating mode and standard thermostat settings are selected automatically when operation begins.
● 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.
● 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 operating from the same mode as before.
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 detecting room humidity.
● The fan speed cannot be changed manually when Dry mode has been
selected.
Fan:
● Use to circulate the air from ceiling area throughout your room when
using space heaters.
8
During Cooling/Dry mode:
Set the thermostat to a temperature setting 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 operate).
During Fan mode:
● Fan operation begins when room temperature in the vicinity of the air conditioner rises above the set thermostat
temperature; when the temperature
drops, fan operation stops.
● If the air emitted feels too cool, raise
the thermostat setting.
TIMER OPERATION
To Use the OFF TIMER
1
Press the START/STOP button (Fig. 6 R)
(if the unit is already operating, proceed to step 2).
The Indoor Unit’s OPERATION Indicator Lamp (red) (Fig. 3 5) will light.
2
Press OFF TIMER button (Fig. 6 M) to select the desired times.
Press OFF TIMER button to change from temperature setting to timer display.
Each time the button is pressed, the time changes in the following order:
To Cancel the Timer
Press the CANCEL TIMER button.
To Change the Timer Settings
Press the ON TIMER button/OFF TIMER
button as required. Perform Use TIMER
step 2 and 3.
To Stop Air Conditioner Operation
while the Timer is Operating
Press the START/STOP button.
To Change Operating Conditions
) on the remote control
Set the time while the OFF TIMER mark (
unit’s display is flashing. (The flashing will continue for about 30 seconds)
3
If you wish to change the operating
conditions (Mode, Fan Speed, Thermostat
Setting), after making the timer setting,
wait until the entire display reappears, then
press the appropriate buttons to change to
the desired operating condition.
Press SET button (Fig. 6 O) to select OFF TIMER operation.
The OFF Timer Mark (
) will be shown on the remote control unit’s
display.
The Indoor Unit TIMER Indicator Lamp (green) will light.
It can not be used during ON TIMER operation.
To Use the ON TIMER
1
Press the START/STOP button (Fig. 6 R)
(if the unit is already operating, proceed to step 2).
The Indoor Unit’s OPERATION Indicator Lamp (red) (Fig. 3 5) will light.
2
Press ON TIMER button (Fig. 6 N) to set the expected
time.
If ON TIMER button is pressed, it will be changed into time display from
temperature setting display.
Each time the button is pressed, the time time changes in the following
order:
)on the remote control unit’s
Set the time while the ON TIMER mark (
display is flashing.(The flashing will continue for about 30 seconds)
3
To Cancel the Timer
Press the CANCEL TIMER button.
To Change the Timer Settings
Press the ON TIMER button/OFF TIMER
button as required. Perform Use TIMER
step 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),
after making the timer setting wait until the
entire display reappears, then press the
appropriate buttons to change the operating condition desired.
Press SET button (Fig. 6 O) to select ON TIMER operation.
The ON Timer mark (
)will be shown on the remote control unit’s display.
The Indoor Unit Timer Indicator Lamp(green) Will light.
It can not be used during OFF TIMER operation.
9
SLEEP TIMER OPERATION
Unlike other timer functions, the SLEEP timer is used to set the length of time until air conditioner operate is stopped.
To Use the SLEEP timer
To Cancel the Timer:
While the air conditioner is operating or stopped, press the
SLEEP button (Fig. 6 I).
Press the CANCEL TIMER button.
The SLEEP TIMER mark (
) on the remote control unit’s display will light.
Within 3 seconds after (
) light the time can be changed by pressing SLEEP
button once again.
Each time the button is pressed, the time changes in the following order:
Press the START/STOP button.
To Stop the Air Conditioner During
Timer Operation:
About three seconds later, the entire display will reappear.
The Indoor Unit’s OPERATION Indicator Lamp (red) (Fig. 3 5) and the TIMER indicator lamp (green) (Fig. 3 6) light.
To Change the Timer Settings
Press the SLEEP button once to display the last setting time.
Press the SLEEP button again to change the time.
Each time the button is pressed, the time changes in the following order (Change
from the last setting time):
Confirmation of TIMER's time
To confirm TIMER's time, press SET button while setting SLEEP TIMER (or during
running).
If SET button is pressed, it will be changed into time display from temperature
setting display. The left time of the TIMER which is being set currently will be displayed for 5 seconds, then it will return to temperature setting display.
About the SLEEP timer
To prevent excessive cooling during sleep, the SLEEP timer function automatically modifies the thermostat setting in accordance with the time setting. When the time has elapsed, the air conditioner completely stops.
During Cooling/Dry operation:
When the SLEEP timer is set, the thermostat setting is automatically raised 1 °C every sixty minutes. When the thermostat has been raised a total of 2 °C, the thermostat setting at that time is maintained until the set time has elapsed,
at which time the air conditioner automatically turns off.
10
SLEEP timer setting
Set time
1 hour
1 °C
2 °C
ADJUSTING THE DIRECTION OF AIR CIRCULATION
Vertical (up-down) direction of airflow is adjusted by pressing the Remote Control Unit’s AIR FLOW DIRECTION 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!
Vertical Air Direction Adjustment
Press the AIR FLOW DIRECTION button (Fig. 6 S).
Each time the button is pressed, the air direction range will change as follows:
3
2
1
6
5
4
● Always use the remote control unit’s
AIR FLOW DIRECTION 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
: During Fan mode
The remote Control Unit’s display does
not change.
1
2
3
4
5
6
● 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 Fan mode
● Never place fingers or foreign objects inside the outlet ports, since the internal fan
operates at high speed and could cause
personal injury.
: Downward flow 5
● 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
● During Cooling and Dry modes, do not
move the vertical air direction louvers
outside their proper operating range
for the mode (1 - 3) and into the fan
region (4 - 6); 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 be
automatically returned to the 3 range.
● When used in a room with infants, children, elderly or sick persons, the air
direction and room temperature
should be considered carefully when
making settings.
R DANGER!
Adjust the Right-Left louvers.
● Move the Right-Left louvers to adjust air flow in the direction you prefer.
● 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)
knob
11
SWING OPERATION
Begin air conditioner operation before performing this procedure.
To select SWING Operation
Press the SWING LOUVER button (Fig. 6 T).
The SWING indicator lamp (orange) (Fig. 3 7) 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 LOUVER button (Fig. 6 T) once again.
The SWING indicator lamp (orange) (Fig. 3 7) 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.
● During Cooling/Dry modes, if SWING Operation in continued at the lowest (downward) range for more than 30
minutes, the unit will automatically switch the swing
range to the horizontal flow range, to prevent the condensation of moisture on the outlet.
● 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 MANUAL AUTO button (Fig. 2 2) on the main unit
control panel.
To stop operation, press the 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 Remote Control Unit (see page 8).
● The fan speed selected will be “AUTO”
and the thermostat setting will be
standard.
12
CLEANING AND CARE
CAUTION!
● Before cleaning the air conditioner, be sure to turn it off and disconnect the Power Supply Cord.
● Be sure the Intake Grille (Fig. 1 8) is installed securely.
● When removing and replacing the air filters, be sure not to touch the heat exchanger, as personal injury may result.
Cleaning the Intake Grille
Cleaning the Air Filter
1. Remove the Intake Grille.
1 Place 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 upward to remove.
2 Pull past the intermediate catch and open the Intake
Grill wide so that it become horizontal.
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.
Air filter handle
Intake Grille
2
2
Intake Grille
Hooks (two places)
2. Remove dust with a vacuum cleaner or
by washing.
1
1
After washing, allow to dry thoroughly in a shaded place.
Mounting
shaft
3. Replace the Air Filter and close the Intake
Grille.
1 Align the sides of the Air Filter with the panel, and
push in fully, making sure the two lower tabs are returned 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.
1 Pull the knobs all the way.
2 Hold the grille horizontal and set the left and right
mounting shafts into the bearings at the top of the
panel.
Mounting shaft
Bearing
2
Intake Grille
1
Knob
Intake Grille
Mounting
shaft
2 Close the Intake Grille.
Hooks (two places)
(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 increasing noise.
● During periods of normal use, the Air Filters should be
cleaned every two weeks.
Knob
When using the optional Air Cleaning Filter
● Install the optional Air Cleaning Filter set (APS-03B) as instructed (installation instructions are furnished with the Air Cleaning Filter set).
● 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 40 °C, 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.
13
TROUBLESHOOTING
WARNING!
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:
Symptom
NORMAL
FUNCTION
Doesn’t operate
immediately:
Problem
● If the unit is stopped and then immediately started again, the compressor will not operate for about 3 minutes, in order to prevent
fuse blowouts.
● Whenever the Power Supply Plug is disconnected and then reconnected 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.
—
● 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.
—
Airflow is weak or stops:
● The fan may operate at very low speed during Dry operation or
when the unit is monitoring the room’s temperature.
7
● During SUPER QUIET operation, the fan will operate at very low
speed.
7
● In the monitor AUTO operation, the fan will operate at very low
speed.
7
Smells:
14
See Page
TROUBLESHOOTING
Items to check
Symptom
CHECK ONCE
MORE
Doesn’t operate at all:
See Page
● 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?
9 - 10
● Is the air filter dirty?
● Air the air conditioner’s intake grille or outlet port blocked?
Poor Cooling 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 sunlight 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?
The unit operates
differently from the Remote
Control Unit’s setting:
7
● Are the Remote Control Unit’s batteries dead?
● Are the Remote Control Unit’s batteries loaded properly?
6
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 C), and consult authorized service personnel.
OPERATING TIPS
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.
● 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. 4).
● 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.
15
OPERATING TIPS
Temperature and Humidity Range
Cooling Mode
Dry Mode
Outdoor temperature
About 21-43 °C
About 21-43 °C
Indoor temperature
About 18-32 °C
About 18-32 °C
● If the air conditioner is used under higher temperature conditioner than those listed, the built-in protection circuit may
operate to prevent internal circuit damage. Also, during Cooling and Dry modes, if the unit is used under conditions of
lower temperature than those listed above, the heat-exchanger may freeze, leading to water leakage and other damage.
● Do not use this unit for any purposes other than the Cooling, Dehumidifying, and air-circulation of rooms in ordinary
dwellings.
● 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. (About 80% or more)
16
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