Fujitsu ASAG24LFCA Operation Manual

OPERATING MANUAL
AIR CONDITIONER
WALL MOUNTED TYPE
Indoor Unit
ASAG18LFCA
ASAG24LFCA
KEEP THIS OPERATION MANUAL FOR FUTURE REFERENCE
PART No. 9315345479-02
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OPERATING MANUAL
WALL MOUNTED TYPE
PART No. 9315345479-02
CONTENTS
SWING OPERATION ................................................11
ECONOMY OPERATION ..........................................11
10 °C HEAT OPERATION ........................................ 12
MANUAL AUTO OPERATION .................................. 12
CLEANING AND CARE ............................................ 13
SELECTING THE REMOTE CONTROLLER
CUSTOM CODE....................................................... 15
TROUBLESHOOTING ............................................. 16
OPERATING TIPS .................................................... 17
SAFETY PRECAUTIONS........................................... 1
FEATURES AND FUNCTIONS .................................. 2
NAME OF PARTS ...................................................... 3
PREPARATION .......................................................... 5
OPERATION............................................................... 6
TIMER OPERATION .................................................. 8
SLEEP TIMER OPERATION ...................................... 9
ADJUSTING THE DIRECTION OF AIR
CIRCULATION ......................................................... 10
SAFETY PRECAUTIONS
● To prevent personal injury, or property damage, read this section carefully before you use this product, and be sure to
comply with the following safety precautions.
● Incorrect operation due to failure to follow the instructions may cause harm or damage, the seriousness of which is classified as follows:
WARNING
CAUTION
This mark indicates procedures which, if improperly performed, might lead to the
death or serious injury of the user or service personnel.
This mark indicates procedures which, if improperly performed, might possibly result in personal harm to the user, or damage to property.
WARNING
● This product contains no user-serviceable parts. Always consult authorized service personnel for repairing, installation, and relocation
of this product.
Improper installation or handling will cause leakage, electric shock,
or fire.
● In the event of a malfunction such as burning smell, immediately
stop operation of the air conditioner, and disconnect all the power
supply by turning off the electrical breaker or disconnecting the
power plug. Then consult authorized service personnel.
● Take care not to damage the power supply cable.
If it is damaged, it should only be replaced by authorized service
personnel.
● In the event of refrigerant leakage, be sure to keep away from fire
or any flammables, and consult authorized service personnel.
● In the event of a thunder storm or any prior sign of a lightning strike,
turn off the air conditioner via the remote controller, and refrain from
touching the product or the power source to prevent any electrical
hazards.
● This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack
of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person
responsible for their safety. Children should be supervised to ensure
that they do not play with the appliance.
● Do not start or stop the operation of this product by inserting or pulling out the power plug, or by turning on or off the circuit breaker.
● Do not use flammable gases near this product.
● Do not expose yourself directly to the cooling airflow for many
hours.
● Do not insert your fingers or any other objects into outlet port, open
panel, or intake grille.
● Do not operate with wet hands.
CAUTION
● Provide occasional ventilation during use.
● Always operate this product with air filters installed.
● Ensure that any electronic equipment is at least 1 m (40 in) away
from either the indoor unit or outdoor unit.
● Disconnect all the power supply when you are not using this product for extended periods.
● After a long period of use, ensure to get the mounting of the indoor
unit checked to prevent this product from falling down.
● The airflow direction and the room temperature should be carefully considered when you use this product in a room with infants,
children, elderly or sick persons.
● Do not direct the airflow at fireplaces or heating apparatus.
● Do not block or cover the intake grille and the outlet port.
● Do not apply any heavy pressure to radiator fins.
● Do not climb on, place objects on, or hang objects from this product.
● Do not place any other electrical products or household belongings
under this product.
Dripping condensation from this product might get them wet, and
may cause damage or malfunction of your property.
● Do not expose this product directly to water.
● Do not use this product for preservation of food, plants, animals,
precision equipment, art work, or other objects. This may cause
quality deterioration of those items.
● Do not expose animals or plants to the direct airflow.
● Do not drink the drainage from the air conditioner.
● Do not pull the power supply cable.
● Do not touch the aluminum fins of heat exchanger built-in this product to avoid personal injury when you maintain the unit.
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FEATURES AND FUNCTIONS
■ Energy saving and Comfortable function
INVERTER
At the start of operation, large amount of power is used to
bring the room quickly to the desired temperature. Afterwards,
the unit automatically switches to a low power setting for economic and comfortable operation.
ECONOMY OPERATION
When ECONOMY operation mode is operated, the room temperature will be little higher than the set-temp under cooling
mode and lower than set-temp under heating mode. Therefore,
the ECONOMY mode is able to save more energy than other
normal mode.
HORIZONTAL AIRFLOW: COOLING/
DOWNWARD AIRFLOW: HEATING
For cooling, use horizontal airflow so the cool air does not
blow directly on the occupants in the room. For heating, use
downward airflow to send powerful, warm air to the floor and
create a comfortable environment.
OMNI-DIRECTIONAL AIR FLOW
(SWING OPERATION)
3-dimensional control over air direction swing is possible through
dual use of both an UP/DOWN air direction swing and RIGHT/
LEFT air direction swing. Since UP/DOWN air direction flaps operate automatically according to the operating mode of the unit,
it is possible to set air direction based on the operating mode.
SUPER QUIET OPERATION
When the FAN button is used to select QUIET, the indoor unit
begins super quiet operation; the indoor unit’s airflow is reduced to produce quieter operation.
AUTO CHANGEOVER
The operation mode (cooling, dry, heating) is switched automatically to maintain the set temperature, and the temperature
is kept constant at all times.
10°C HEAT OPERATION
The room temperature can be maintained at 10°C so as to
prevent the room temperature from falling too far.
■ Convenient function
■ Clean function
REMOVABLE INTAKE GRILLE
The indoor unit’s intake grille can be removed for easy cleaning and maintenance.
MILDEW-RESISTANT FILTER
The AIR FILTER has been treated to resist mildew growth,
thus allowing cleaner use and easier care.
POLYPHENOL CATECHIN AIR CLEANING FILTER
The polyphenol catechin air cleaning filter uses static electricity to clean fine particles and dust in the air such as tobacco
smoke and plant pollen that are too small to see. The filter
contains catechin, which is highly effective against various
bacteria by suppressing the growth of the bacteria adsorbed to
the filter. Note that when the air cleaning filter is installed, the
amount of air produced decreases, causing a slight decrease
in the indoor unit’s performance.
NEGATIVE AIR IONS DEODORIZING FILTER
It comprises pottery super micro particles which can produce
negative air ions having the effect of deodorizing and can absorb and remit the peculiar smell at home.
■ Remote controller
WIRELESS REMOTE CONTROLLER
The wireless remote controller allows convenient control of air
conditioner operation.
WIRED REMOTE CONTROLLER (OPTION)
The optional wired remote controller can be used. When you
use remote controller, there are following different points as
compared with using wireless remote controller.
[The additional functions for wired ones]
• Weekly timer
• Temperature set back timer
And you can use both wired and wireless remote controller simultaneously. (But function is limited)
When the restricted functions on the remote controller are
used, beeping sound will be heard, OPERATION, TIMER and
the 3rd lamp of the indoor unit will flash.
[The restricted functions for wireless ones]
• 10°C HEAT OPERATION
• TIMER (ON timer, OFF timer and Program timer)
• SLEEP TIMER
PROGRAM TIMER
The program timer allows you to integrate OFF timer and ON timer
operations in a single sequence. The sequence can involve 1 transition from OFF timer to ON timer, or from ON timer to OFF timer,
within a 24 hour period.
SLEEP TIMER
When the SLEEP timer button is pressed 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.
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NAME OF PARTS
Fig. 1
Fig. 2
Fig. 3
MANUAL
AUTO
OPERATION
TIMER
ECONOMY
Fig. 4
Fig. 5
Fig. 6
To facilitate explanation, the accompanying
illustration has been drawn to show all possible
indicators; in actual operation, however, the display
will only show those indicators appropriate to the
current operation.
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NAME OF PARTS
Fig. 1 Indoor Unit
Fig. 5 Remote Controller
1 Operating Control Panel (Fig. 2)
2 MANUAL AUTO button
● When the MANUAL AUTO button is pressed
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
for more than 10 seconds, the forced cooling operation will start.
● The forced cooling operation is used at the
time of installation.
Only for authorized service personnel's use.
● When the forced cooling operation starts by
any chance, press the START/STOP button
to stop the operation.
● Please press the button at FILTER INDICATOR RESET.
3
4
5
6
Indicator (Fig. 3)
Remote Control Signal Receiver
OPERATION Indicator Lamp (green)
TIMER Indicator Lamp (orange)
● If the TIMER indicator lamp flashes when
● This button is used when installing the air
conditioner, and should not be used under
normal conditions, as it will cause the indoor
unit’s thermostat function to operate incorrectly.
the timer is operating, it indicates that a fault
has occurred with the timer setting (See
page 18 “AUTO Restart”.).
● If this button is pressed during normal operation, the indoor unit will switch to test operation mode, and the Indoor Unit’s OPERATION Indicator Lamp and TIMER Indicator
Lamp will begin to flash simultaneously.
7 ECONOMY Indicator Lamp (green)
● ECONOMY indicator lamp lights when
ECONOMY OPERATION and 10 °C HEAT
OPERATION are operating.
INTAKE GRILLE (Fig.4)
Front Panel
Air Filter
Airflow Direction Louver
Power Diffuser
Right-Left Louver
(behind Airflow Direction Louver)
D Drain Hose
E Air Cleaning Filter
8
9
0
A
B
C
Signal Transmitter
MODE button
10 °C HEAT button
ECONOMY button
SLEEP button
TIMER MODE button
FAN button
START/STOP button
SET button (Vertical)
SET button (Horizontal)
SWING button
/
SET TEMP. button (
)
/
) button
TIMER SET (
CLOCK ADJUST button
TEST RUN button
● To stop the test operation mode, press the
START/STOP button to stop the air conditioner.
U
V
W
X
Y
Z
[
\
]
^
RESET button
Remote Controller Display(Fig.6)
Temperature SET Display
Operation Mode Display
SLEEP TIMER Display
Transmit Indicator
Fan Speed Display
SWING Display
T imer Mode Display
Clock Display
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PREPARATION
WARNING
Turn on the Power
1
● Take care to prevent infants and young
children from accidentally swallowing the
batteries.
Turn on the circuit breaker
CAUTION
Load Batteries (AAA/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
3
mark.
Insert batteries.
Be sure to align the battery polarities (
) correctly.
Close the battery compartment lid.
Set the Current time
1
2
Press the CLOCK ADJUST button (Fig. 5 S).
Use the tip of a ball-point pen or other small object to press the button.
Use the TIMER SET (
/
) buttons (Fig. 5 R) 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 1
minute increments; hold the buttons depressed to change the time quickly in
10 minute increments.)
3
● To prevent malfunction or damage of the
remote controller:
- Place remote controller at where will not
be exposed to direct sunlight or excessive
heat.
- Remove batteries if the product is not
going to be used for an extended period.
- Exhausted batteries must be removed
immediately, and be disposed according
to the local laws and regulations of your
region.
● If leaking battery fluid comes in contact with
your skin, eyes, or mouth, immediately rinse
with plenty of clean water, and consult your
physician.
● Obstacles such as a curtain or wall between
the remote controller and the indoor unit
may affect the appropriate signal transmission.
● Do not apply strong shocks to the remote
controller.
● Do not pour water on the remote controller.
● Do not attempt to recharge dry batteries.
● Do not use dry batteries that has been
recharged.
Use specified type of batteries only.
Do not mix different types or new and
used batteries together.
Batteries can be used about 1 year in
ordinary use. If the remote control range
noticeably shortens, replace the batteries,
and press “RESET” button with the tip of
a ball point pen or other small object.
Press the CLOCK ADJUST button (Fig. 5 S) again.
This completes the time setting and starts the clock.
To Use the Remote Controller
● The Remote Controller must be pointed at signal receiver (Fig.3 4) to operate correctly.
● Operating Range: About 7 m.
● When a signal is properly received by the air conditioner, a beeping sound will be
heard.
● If no beep is heard, press the Remote Controller button again.
Remote Controller Holder
Insert
Press in
Screws
1 Mount the Holder.
2 Set the Remote Controller.
Slide up
Pull out
3 To remove the Remote Controller (when use at hand).
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OPERATION
To Select Mode Operation
1
2
Press the START/STOP button (Fig.5 M).
The indoor unit’s OPERATION Indicator Lamp (green) (Fig. 3 5) will light.
The air conditioner will start operating.
Press the MODE button (Fig.5 G) to select the desired mode.
Each time the button is pressed, the mode will change in the following order.
COOL
DRY
▲
▲
▲
AUTO
▲
▲
HEAT
FAN
About 3 seconds later, the entire display will reappear.
Example: When set to COOL.
To Set the Thermostat
Press the SET TEMP. button (Fig. 5 Q).
button: Press to raise the thermostat setting.
button: Press to lower the thermostat setting.
● Thermostat setting range:
AUTO ....................................18–30 °C
Heating..................................16–30 °C
Cooling/Dry ...........................18–30 °C
The thermostat cannot be used to set room temperature during the FAN mode (the temperature will not appear on the Remote Controller’s Display).
About 3 seconds later, the entire display will reappear.
Example: When set to 26 °C.
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 button (Fig. 5 L).
Each time the button is pressed, the fan speed changes in the following order:
LOW
▲
▲
MED
▲
HIGH
▲
▲
AUTO
QUIET
About 3 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 temperature 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.
Example: When set to AUTO.
The fan will operate at a very low setting during Monitor operation and at the start of
the Heating mode.
SUPER QUIET Operation
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.)
● During Super Quiet operation, Heating and Cooling performance will be reduced
somewhat. If the room does not warm up/ cool down when using SUPER QUIET
Operation, please adjust the air conditioner’s Fan Speed.
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OPERATION
To Stop Operation
Press the START/STOP button (Fig. 5 M).
The OPERATION Indicator Lamp (green) (Fig.3 5) will go out.
About AUTO CHANGEOVER Operation
AUTO:
● When AUTO CHANGEOVER operation first selected, the fan will operate
at very low speed for about a few minutes, during which time the unit detects the room conditions and selects the proper operating mode.
Room temperature is higher than the defined temperature in temperature
setting  Cooling mode or dry mode
Room temperature is close to the defined temperature in temperature setting  Determined by outdoor temperature
Room temperature is lower than the defined temperature in temperature
setting  Heating mode
Cooling or Dry
Defined
temperature in
temperature
setting
Determined by
outdoor temperature
Heating
● 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 temperature
subsequently changes, the air conditioner will once again select the appropriate operation (Heating, Cooling) to adjust the temperature to the
value set in the thermostat.
● 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 Indicator Lamp (green)
(Fig.3 5) will flash, and the heat operation will be interrupted.
● After the start of heating operation, it takes some time before the room
gets warmer.
Cooling: ● Use to cool your room.
Dry:
During Heating mode:
Set the thermostat to a temperature setting
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 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:
You can not use the unit to heat and cool
your room.
● 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.
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TIMER OPERATION
Before using the timer function, be sure that the Remote Controller is set to the correct current time (☞ page 5.).
To Use the ON timer or OFF timer
1
2
Press the START/STOP button (Fig. 5 M)
(if the unit is already operating, proceed to step 2).
The indoor unit’s OPERATION Indicator Lamp (green) (Fig. 3 5) will light.
Use the TIMER MODE button to select
“CANCEL”.
The air conditioner will return to normal
operation.
Press the TIMER MODE button (Fig. 5 K) to select the
OFF timer or ON timer operation.
Perform steps 2 and 3.
▲
▲
▲
Each time the button is pressed the timer function changes in the following
order:
CANCEL
OFF
ON
▲
PROGRAM (OFF  ON, OFF  ON)
The indoor unit’s TIMER Indicator Lamp (orange) (Fig. 3 6) will light.
3
To Cancel the Timer
Use the TIMER SET buttons (Fig. 5 R) to adjust the
desired OFF time or ON time.
Set the time while the time display is flashing (the flashing will continue for
about 5 seconds).
To Change the Timer Settings
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.
button: Press to advance the time.
button: Press to reverse the time.
About 5 seconds later, the entire display will reappear.
To Use the Program timer
1
Press the START/STOP button (Fig. 5 M).
(if the unit is already operating, proceed to step 2).
The indoor unit’s OPERATION Indicator Lamp (green) (Fig.3 5) will light.
2
3
Set 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 3 seconds later, the entire display will reappear.
The indoor unit’s TIMER Indicator Lamp (orange) (Fig.3 6) will light.
Press the TIMER MODE button (Fig. 5 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 5 seconds later, the entire display will reappear.
To Cancel the Timer
Use the TIMER MODE button to select
“CANCEL”.
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 MODE button to select
ON or OFF
ON.
either OFF
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.
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 1 transition from OFF timer to ON timer,
or from ON timer to OFF timer, within a 24 hour period.
● The first timer function to operate will be the 1 set nearest to the current time. The
order of operation is indicated by the arrow in the Remote Controller’s Display
(OFF  ON, or OFF  ON).
● One example of Program timer use might be to have the air conditioner automati-
cally stop (OFF timer) after you go to sleep, then start (ON timer) automatically in the
morning before you arise.
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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
While the air conditioner is operating or stopped, press the
SLEEP button (Fig. 5 J).
The indoor unit’s OPERATION Indicator Lamp (green) (Fig. 3 5) lights and the TIMER
Indicator Lamp (orange) (Fig. 3 6) light.
To Cancel the Timer:
Use the TIMER MODE button to select
“CANCEL”.
The air conditioner will return to normal
operation.
To Stop the Air Conditioner During
Timer Operation:
To Change the Timer Settings
Press the START/STOP button.
Press the SLEEP button (Fig. 5 J) once again and set the
/
) buttons (Fig. 5 R).
time using the TIMER SET (
Set the time while the Timer Mode Display is flashing (the flashing will continue about 5
seconds).
button: Press to advance the time.
button: Press to reverse the time.
About 5 seconds later, the entire display will reappear.
About the SLEEP Timer
To prevent excessive warming or cooling during sleep, the SLEEP timer function automatically modifies the thermostat setting in accordance with the set 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 1 °C every 30 minutes. When the thermostat has been lowered a total of 4 °C, 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 automatically raised 1 °C every 1 hour. 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.
SLEEP timer setting
Set temp.
1 °C 2 °C
3 °C
Set time
4 °C
30
minutes
1 hour
1 hour
Set temp.
1 °C
2 °C
1 hour
30 minutes
Set time
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ADJUSTING THE DIRECTION OF AIR CIRCULATION
● Adjust the up, down, left, and right AIR directions with the AIR DIRECTION buttons on the Remote Controller.
● Use the AIR DIRECTION buttons after the Indoor Unit has started operating and the airflow-direction louvers have stopped
moving.
WARNING
Vertical Air Direction Adjustment
Press the SET button (Vertical) (Fig. 5 N).
Each time the button is pressed, the air direction range will change as follows:
1
2
3
4
5
6
● Always use the Remote Controller’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 Airflow Direction Setting:
1,2,3,4,5,6: During Heating/Cooling/Dry modes
The Remote Controller’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 Heating mode
: Downward flow 5
● During AUTO mode operation, for the first a few minutes after beginning operation,
airflow will be horizontal 1; the air direction cannot be adjusted during this period.
● Direction 1
● Never place fingers or foreign objects inside
the outlet ports, since the internal fan operates at high speed and could cause personal injury.
2
Only the direction of the Airflow Direction Louver changes; the direction of the
Power Diffuser does not change.
● During use of the Cooling and Dry
modes, do not set the Airflow Direction
Louvers in the Heating range (4 - 6)
for long periods of time, since water vapour may condense near the outlet louvers and drops of water may drip from
the air conditioner. During the Cooling
and Dry modes, if the Airflow Direction
Louvers are left in the heating range for
more than 20 minutes, they will automatically return to position 3.
● 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.
The airflow direction setting will temporarily become 1 when the temperature of the
airflow is low at the start of the Heating mode.
● After beginning of AUTO/HEAT mode operated and automatic defrosting operation
time (see page 16), the airflow will be horizontal 1.
However, the Airflow Direction cannot be adjusted at beginning AUTO operation
mode.
Horizontal Air Direction Adjustment
Press the SET button (Horizontal) (Fig. 5 O).
● Each time the button is pressed, the air direction range will change as follows:
1
2
3
4
5
The remote controller’s
display does not change.
1
2
3
4
5
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SWING OPERATION
Begin air conditioner operation before performing this procedure.
To select SWING Operation
Press the SWING button (Fig. 5 P).
The SWING Display (Fig. 6 \) will light.
Each time the SWING button is pressed, the swing operation will change in the
following order.
Up/down swing operation
Swing operation stops
Left/right swing operation
Up/down/left/right swing operation
To stop SWING Operation
Press the SWING button and select STOP.
Airflow direction will return to the setting before swing was begun.
About Swing Operation
● Up/down swing: Swing operation begins using the following
range according to the current airflow direction.
Airflow direction is 1–4 (for cooling, dry).
With the upper airflow-direction louver in the horizontal position, the lower airflow-direction louver moves
(swings) to direct airflow to a wide area.
Airflow direction is 3–6 (for heating).
With the airflow-direction louvers set for downward or
straight down airflow, airflow is directly mainly at the
floor.
● Left/right swing: The airflow-direction louvers move (swing)
in the left/right airflow direction.
● Up/down/left/right swing: The airflow-direction louvers move
(swing) in both the up/down and left/right airflow directions.
● The SWING operation may stop temporarily when the air
conditioner’s fan is not operating, or when operating at very
low speeds.
● If the SET button (Vertical) is pressed during the up/down
swing operation, the up/down swing operation will stop and
if the SET button (Horizontal) is pressed during the left/right
swing operation, the left/right swing operation will stop.
ECONOMY OPERATION
Begin Air Conditioner operation before performing this procedure.
To Use the ECONOMY Operation
Press the ECONOMY button (Fig.5 I).
The ECONOMY Indicator Lamp (green) (Fig. 3 7) will light.
ECONOMY operation begins.
To Stop the ECONOMY Operation
●
Indicator Lamp
OPERATION
TIMER
ECONOMY
: Lighting
: OFF
Press the ECONOMY button (Fig.5 I) again.
The ECONOMY Indicator Lamp (green) (Fig. 3 7) will go out.
Normal operation begins.
About ECONOMY Operation
At the maximum output, ECONOMY Operation is approximately 70% of normal air conditioner operation for cooling and heating.
● If the room is not cooled (or heated) well during ECONOMY operation, select normal operation.
● During the monitor period in the AUTO mode, the air conditioner operation will not change to ECONOMY operation even if
ECONOMY operation is selected by pressing the ECONOMY operation button.
● When ECONOMY operation mode is operated, the room temperature will be little higher than the set-temp under cooling mode
and lower than set-temp under heating mode. Therefore, the ECONOMY mode is able to save more energy than other normal
mode.
● In case of multi-type air conditioner, the ECONOMY operation mode is only available for the set indoor unit.
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10 °C HEAT OPERATION
To use 10 °C HEAT OPERATION
Press the 10 °C HEAT button (Fig.5 H)
The OPERATION indicator lamp (green) (Fig. 3 5) will go out, and the ECONOMY
indicator lamp (green) (Fig. 3 7) will light.
To stop 10 °C HEAT OPERATION
While 10 °C HEAT OPERATION is in
progress, only the following
operation can be used.
•
SWING
● Indicator Lamp
OPERATION
Press the START/STOP button (Fig.5 M)
Then the OPERATION stops and the ECONOMY indicator lamp (green) (Fig. 3 7) will
go out.
About the 10 °C HEAT Operation
TIMER
ECONOMY
: Lighting
: OFF
• The Heating mode will not operate if the room temperature is high enough.
• The room temperature can be maintained at 10 °C by pressing the 10 °C HEAT button
(Fig.5 H) so as to prevent the room temperature from falling too far.
• In case of multi-type air conditioner, if other indoor unit is used for heating, the temperature of the room where the “10 °C HEAT” function is applied will rise. When using
the “10 °C HEAT” function, we recommend all indoor units should be run under the
“10 °C HEAT” mode
MANUAL AUTO OPERATION
Use the MANUAL AUTO operation in the event the Remote Controller is lost or otherwise unavailable.
How To Use the Main Unit Controls
Press the MANUAL AUTO button (Fig. 2 2 ) more than
3 seconds and less than 10 seconds on the main unit control
panel.
To stop operation, press the MANUAL AUTO button (Fig. 2 2) once again.
(Controls are located inside the intake grille)
● When the air conditioner is operated
with the controls on the MANUAL AUTO
button, it will operate under the same
mode as the AUTO mode selected on
the Remote Controller (see page 7).
● The fan speed selected will be “AUTO”
and the thermostat setting will be standard. (24 °C)
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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
Grille 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 2 lower tabs,
and pull out.
Air filter handle
Intake Grille
2
2
1
1
Hooks (2 places)
Mounting shaft
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.
Knob
1 Align the sides of the air filter with the panel, and push
in fully, making sure the 2 lower tabs are returned properly to their holes in the panel.
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.
3 Press the place where the arrow on the diagram indicates and close the Intake Grille.
Intake Grille
Mounting shaft
2
2
1
Knob
Hooks (2 places)
2 Close 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, airflow will be
reduced, lowering operating efficiency and increasing noise.
● During periods of normal use, the Air Filters should be
cleaned every 2 weeks.
1
Bearing
● Don’t operate the air conditioner with being opened the
intake grille.
● 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 1 month or more, first allow the fan mode to operate continuously for half a day to allow internal parts to dry thoroughly.
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CLEANING AND CARE
Air Cleaning Filter Installation
1. Open the Intake Grille and remove the Air
filters.
Replacing dirty Air cleaning filters
Replace filters with the following components (purchased separately).
● POLYPHENOL CATECHIN AIR CLEANING FILTER : UTR-FA13-1
● Negative air ions deodorizing filter: UTR-FA13-2
1. Open the Intake Grille and remove the Air
filters.
Air Filter (Right & Left)
2. Install the Air cleaning filter set (set of 2).
Air Filter (Right & Left)
1 Set the air cleaning filter into the air cleaning filter frame.
Air cleaning filter set
Air cleaning filter frame
2. Replace them by 2 new Air cleaning
filters.
1 Remove the old air cleaning filters in reverse order of
their installation.
2 Install in the same way as for installation of the air
cleaning filter set.
Air cleaning filter
2 Engage the latch at both ends of the filter with the 2
hooks at the rear of the air cleaning filter frame.
3. Install the 2 Air filters and close the
Intake Grille.
Hook (2 places at the rear)
Air Filter (Right & Left)
Latch (2 places)
Take care that the air cleaning filter does not project beyond
the frame.
3 Engage the 6 fixing locations at the top and bottom of
the air cleaning filter frame with the hooks of the air filter.
In regard to the Air Cleaning Filters
POLYPHENOL CATECHIN AIR CLEANING FILTER (1 sheet)
● The Air Cleaning Filters are disposable filters. (They can not
be washed and reused.)
● For storage of the Air Cleaning Filters, use the filters as
soon as possible after the package has been opened.
(The air cleaning effect decreases when the filters are left in
the opened package)
● Generally, the filters should be exchanged about every
3 months.
Please buy delicated air cleaning filters (UTR-FA13-1) (Sold
separately) to exchange the used dirty air cleaning filters.
Rear of the filter
Fixing location, hook (6 places)
3. Install the 2 Air filters and close the
Intake Grille.
[Negative air ions deodorizing filter (1 sheet) — light blue]
● The filters should be exchanged about every 3 years so as
to maintain the deodorizing effect.
● Filter frame is not a one-off product.
Please buy delicated deodorizing filter (UTR-FA13-2) (Sold
separately) when exchanging the filters.
Maintenance of Deodorizing Filters
Air Filter (Right & Left)
● When air cleaning filters are used, the effect will increased
by setting the fan speed to “High”.
In order to maintain the deodorizing effect, please clean the
filter in the follow way once 3 months.
1 Remove the deodorizing filter.
2 Clean with water and dry in the air.
1) Flush the filters with high-pressure hot water until the
surface of the filters are covered with water. Please
flush with diluent neutral detergent.
Never wash by reaming or rubbing, otherwise it
will damage the deodorizing effect.
2) Rinse with water flow.
3) Dry in shade.
3 Reinstall the deodorizing filter.
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CLEANING AND CARE
Filter Indicator Reset (The special setting)
• Can be used if set correctly during installation.
Please consult authorized serviceman when using this function.
• It lights on when it is time to clean the air filters.
Clean the filter referring to “CLEANING AND CARE”.
After cleaning, press the MANUAL AUTO button (Fig. 2 2) for 2 seconds or less on
the indoor unit.
● Indicator Lamp
OPERATION
TIMER
ECONOMY
: Flashing
: OFF
SELECTING THE REMOTE CONTROLLER CUSTOM CODE
When two or more air conditioners are installed in a room and the Remote Controller is operating an air conditioner other than
the one you wish to set, change the custom code of the Remote Controller to operate only the air conditioner you wish to set (4
selections possible).
When two or more air conditioners are installed in a room, please contact your retailer to set the individual air conditioner custom
codes.
Selecting the Remote Controller Custom Code
Use the following steps to select the custom code of the Remote Controller. (Note that
the air conditioner cannot receive a signal if the air conditioner has not been set for the
custom code.)
1
Press the START/STOP button until only the clock is
displayed on the Remote Controller display.
2
Press the MODE button for at least five seconds to
display the current custom code (initially set to A).
3
4
Press the ( / ) buttons to change the custom code
between A↔B↔C↔D . Match the code on the display to the
air conditioner custom code.
Press the MODE button again to return to the clock
display. The custom code will be changed.
● If no buttons are pressed within 30 seconds after the custom code is displayed, the system returns to the original clock display. In this case,
start again from step 1.
● The air conditioner custom code is set to A prior to shipment. Contact your retailer to change the custom code.
● The Remote Controller resets to custom code A when the batteries in the Remote Controller are replaced. If you use a custom code other than
custom code A, reset the custom code after replacing the batteries.
A↔B↔C↔D
If you do not know the air conditioner custom code setting, try each of the custom codes (
) until you find the code which operates
the air conditioner.
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TROUBLESHOOTING
WARNING
In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off the electrical
breaker 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 turn off the electrical breaker to ensure that power is completely off.
Before requesting service, perform the following checks:
Symptom
NORMAL
FUNCTION
Problem
See Page
● If the indoor 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 electrical breaker is turned off then on again
the protection circuit will operate for about 3 minutes, preventing unit operation during that period.
—
● During operation or 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 refrigerant
flowing).
● During operation, a slight squeaking sound may be heard.
This is the result of minute expansion and contraction of the
front panel 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 indoor unit.
—
Mist or steam is
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 cool air emitted from the indoor
unit, 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
● 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 indoor unit will temporarily
stop operation (Max. 15 minutes) as the Automatic Defrosting
mode operates. During Automatic Defrosting operation, the
OPERATION Indicator Lamp will flash.
17
● During Dry mode, the indoor 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.
7
● During SUPER QUIET operation, the fan will operate at very
low speed.
6
● In the monitor of AUTO operation, the fan will operate at very
low speed.
7
● In case of Multi-type unit, if multiple units are operated in
different operation modes as shown below, the units operated afterward will stop and the OPERATION indicator lamp
(green) will flash.
Heating mode and cooling mode (or dry mode)
Heating mode and fan mode
18
● During Heating operation, water may be produced from the
outdoor unit due to Automatic Defrosting operation.
17
Doesn’t operate immediately:
Noise is heard:
Airflow is weak or stops:
Water is produced from the
outdoor unit:
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TROUBLESHOOTING
Symptom
CHECK ONCE
MORE
Doesn’t operate at all:
Problem
See Page
● Has the circuit breaker been turn off?
● Has there been a power failure?
—
● Has a fuse blown out, or a circuit breaker been tripped?
● Is the timer operating?
Poor Cooling (or Heating)
performance:
8, 9
● Is the Air Filter dirty?
● Are 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
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
Controller’s setting:
● Are the Remote Controller’s batteries dead?
● Are the Remote Controller’s batteries loaded properly?
6
5
If the problem persists after performing these checks, or if you notice burning smells, or the OPERATION Indicator Lamp (Fig. 3 5)
and the TIMER Indicator Lamp (Fig. 3 6) flashes and ECONOMY Indicator Lamp (Fig.3 7) flashes fast, immediately stop operation,
turn off the electrical breaker and consult authorized service personnel.
OPERATING TIPS
Operation and Performance
Heating Performance
● This air conditioner operates on the heat-pump principle,
absorbing heat from outdoor air and transferring that heat
to indoor unit. As a result, the operating performance is
reduced as outdoor air temperature drops. If you feel that
insufficient heating performance is being produced, we
recommend 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 conditioner
until the room is heated.
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
air conditioner 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 (Max. 15 minutes).
During Automatic Defrosting operation, the OPERATION
Indicator Lamp (green) will flash.
● After heating operation stops, if frost forms on the outdoor
unit, the unit will start Automatic Defrosting operation. At
this time, the outdoor unit will automatically stop after operating for a few minutes.
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OPERATING TIPS
AUTO Restart
In Event of Power Interruption
● The power supply to the air conditioner is stopped by a
power interruption. The air conditioner will then restart automatically in its previous mode when the power is restored.
● If a power interruption occurs during TIMER operation, the
timer will be reset and the indoor 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 turn
off the circuit breaker, turn it on and then use the Remote
Controller to resume operation.
Multi-type Air conditioner
This indoor unit can be connected to a multi-type outdoor unit. The multi-type air conditioner allows multiple indoor units to be operated in multiple locations. The indoor units may be operated simultaneously, in accordance with their respective output.
Simultaneous Use of Multiple Units
● When using a multi-type air conditioner, the multiple indoor
units can be operated simultaneously, but when two or
more indoor units of the same group are operated simultaneously, the heating and cooling efficiency will be less
than when a single indoor unit is used alone. Accordingly,
when you wish to use more than 1 indoor unit for cooling
at the same time, the use should be concentrated at night
and other times when less output is required. In the same
way, when multiple units are used simultaneously for heating, it is recommended that they be used in conjunction
with other auxiliary space heaters, as required.
● Operation can be done in the following different operating
modes.
● Seasonal and outdoor temperature conditions, the structure of the rooms and the number of persons present may
also result in differences of operating efficiency. We recommend that you try various operating patterns in order to
confirm the level of heating and cooling output provided by
your units, and use the units in the way that best matches
your family’s lifestyle.
For example, if indoor unit (A) was started in fan mode
and then indoor unit (B) was then operated in heating
mode, indoor unit (A) would temporarily start operation
in fan mode but when indoor unit (B) started operating in
heating mode, the OPERATION indicator lamp (green) for
indoor unit (A) would begin to flash (1 second on, 1 second off) and it would go into standby mode. Indoor unit (B)
would continue to operate in heating mode.
● If you discover that one or more units delivers a low level
of cooling or heating during simultaneous operation, we
recommend that you stop simultaneous operation of the
multiple units.
Cooling mode and dry mode
Cooling mode and fan mode
Dry mode and fan mode
● The operating mode (heating mode or cooling (dry) mode)
of the outdoor unit will be determined by the operating
mode of the indoor unit that was operated first. If the indoor unit was started in fan mode, the operating mode of
the outdoor unit will not be determined.
● Operation cannot be done in the following different operating modes.
If the indoor unit is instructed to do an operating mode that
it cannot perform, the OPERATION indicator lamp (green)
on the indoor unit will flash (1 second on, 1 second off)
and the unit will go into the standby mode.
Heating mode and cooling mode (or dry mode)
Heating mode and fan mode
Notice
● During use of the heating mode, the outdoor unit will occasionally commence the defrost operation for brief periods.
During the defrosting operation, if the user sets the indoor
unit for heating again, the defrosting mode will continue,
and the heating operation will begin after completion of
defrosting, with the result that some time may be required
before warm air is emitted.
● During use of the heating mode, the top of the indoor unit
may become warm, but this is due to the fact that coolant is circulated through the indoor unit even when it is
stopped; it is not a malfunction.
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