Fujitsu AOU18RL User Manual

OPERATING MANUAL  
MODE D’EMPLOI  
MANUAL DE FUNCIONAMIENTO  
HEAT&COOLING MODEL  
(REVERSE CYCLE)  
ROOM AIR CONDITIONER  
WALL MOUNTED TYPE  
Indoor Unit  
ASU18RL  
Outdoor Unit  
AOU18RL  
KEEP THIS OPERATION MANUAL  
FOR FUTURE REFERENCE  
P/N9315255013-01  
FUJITSU GENERAL LIMITED  
CONTENTS  
SAFETY PRECAUTIONS .................................... En-1  
FEATURES AND FUNCTIONS ........................... En-2  
NAME OF PARTS ................................................ En-3  
PREPARATION .................................................... En-4  
OPERATION ........................................................ En-5  
TIMER OPERATION ............................................ En-7  
SLEEP TIMER OPERATION ................................ En-8  
ADJUSTING THE DIRECTION OF  
AIR CIRCULATION .............................................. En-9  
SWING OPERATION ......................................... En-10  
COIL DRY OPERATION ..................................... En-10  
MANUAL AUTO OPERATION .......................... En-10  
CLEANING AND CARE ..................................... En-11  
TROUBLESHOOTING ....................................... En-13  
OPERATING TIPS.............................................. En-14  
SAFETY PRECAUTIONS  
G Do not attempt to install this air conditioner by yourself.  
G This unit contains no user-serviceable parts. Always consult authorized service per-  
sonnel for repairs.  
DANGER!  
G When moving, consult authorized service personnel for disconnection and installa-  
tion of the unit.  
G Do not become excessively chilled by staying for lengthy periods in the direct cooling  
airflow.  
G Do not insert fingers or objects into the outlet port or intake grilles.  
G Do not start and stop air conditioner operation by disconnecting the power supply  
cord and so on.  
G Take care not to damage the power supply cord.  
G In the event of a malfunction (burning smell, etc.), immediately stop operation, dis-  
connect the power supply plug, and consult authorized service personnel.  
G 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.  
G Provide occasional ventilation during use.  
CAUTION!  
G Do not direct air flow at fireplaces or heating apparatus.  
G Do not climb on, or place objects on, the air conditioner.  
G Do not hang objects from the indoor unit.  
G Do not set flower vases or water containers on top of air conditioners.  
G Do not expose the air conditioner directly to water.  
G Do not operate the air conditioner with wet hands.  
G Do not pull power supply cord.  
G Turn off power source when not using the unit for extended periods.  
G Check the condition of the installation stand for damage.  
G Do not place animals or plants in the direct path of the air flow.  
G Do not drink the water drained from the air conditioner.  
G Do not use in applications involving the storage of foods, plants or animals, precision  
equipment, or art works.  
G Connection valves become hot during Heating; handle with care.  
G Do not apply any heavy pressure to radiator fins.  
G Operate only with air filters installed.  
G Do not block or cover the intake grille and outlet port.  
G Ensure that any electronic equipment is at least one metre away from either the in-  
door or outdoor units.  
G Avoid installing the air conditioner near a fireplace or other heating apparatus.  
G When installing the indoor and outdoor unit, take precautions to prevent access to  
infants.  
G Do not use inflammable gases near the air conditioner.  
En-1  
Fig. 1  
1
E
2
9
=
Fig. 2  
1
3
3
D
A
OPERATION  
TIMER  
SUPER QUIET COIL DRY  
5
6
4
7
8
B
C
Fig. 3  
Fig. 5  
9
F
H
I
G
Fig. 4  
Fig. 6  
N
X
^
Y
[
]
K
Q
R
c
\
L
S
a
b
M
J
T
Z
O
W
U
P
V
Fig. 7  
To facilitate explanation, the accompanying illustra-  
tion has been drawn to show all possible indicators;  
in actral operation, however, the display will only  
show those indicators appropriate to the current op-  
eration.  
TYPE  
TYPE  
TIPO  
HEAT & COOL MODEL  
MODÈLE RÉVERSIBLE  
MODELO DE REFRIGERACIÓNY CAlEFACCÓN  
INDOOR UNIT  
MODEL  
ASU18RL  
AOU18RL  
UNIDAD INTERIOR  
UNITÉ INTÉRIEURE  
MODÈLE  
MODELO  
OUTDOOR UNIT  
UNIDAD EXTERIOR  
UNITÉ EXTÉRIEURE  
SPECIFICATIONS  
POWER SUPPLY ................................................................................................................................................... 208/230 V~60 Hz  
COOLING  
CAPACITY ..............................................................................................................................................................18,000 BTU/h  
INPUT POWER ................................................................................................................................................................1.73 kW  
CURRENT ............................................................................................................................................................................. 7.7 A  
HEATING  
CAPACITY ..............................................................................................................................................................21,600 BTU/h  
INPUT POWER ............................................................................................................................................................... 1.93 kW  
CURRENT ............................................................................................................................................................................ 8.6 A  
FICHE TECHNIQUE  
ALIMENTATION.................................................................................................................................................... 208/230 V~60 Hz  
REFROIDISSEMENT  
PUISSANCE FRIGORIFIQUE ................................................................................................................................18.000 BTU/h  
PUISSANCE ABSORBÉE ............................................................................................................................................... 1,73 kW  
INTENSITÉ .......................................................................................................................................................................... 7,7 A  
CHAUFFAGE  
PUISSANCE FRIGORIFIQUE ................................................................................................................................ 21.600 BTU/h  
PUISSANCE ABSORBÉE ............................................................................................................................................... 1,93 kW  
INTENSITE .......................................................................................................................................................................... 8,6 A  
ESPECIFICACIONES  
ALIMENTACIÓN ................................................................................................................................................... 208/230 V~60 Hz  
REFRIGERACIÓN  
CAPACIDAD...........................................................................................................................................................18.000 BTU/h  
ENTRADA DE ALIMENTACIÓN ..................................................................................................................................... 1,73 kW  
CORRIENTE ......................................................................................................................................................................... 7,7 A  
CALEFACCIÓN  
CAPACIDAD........................................................................................................................................................... 21.600 BTU/h  
ENTRADA DE ALIMENTACIÓN ..................................................................................................................................... 1,93 kW  
CORRIENTE ......................................................................................................................................................................... 8,6 A  
FEATURES AND FUNCTIONS  
INVERTER  
SWING OPERATION  
At the start of operation, a large power is used to bring the  
room quickly to the desired temperature. Afterwards, the  
unit automatically switches to a low power setting for eco-  
nomic and comfortable operation.  
The Air Flow Direction Louvers swings automatically up and  
down so that the air speeds to every nook and corner of  
your room.  
REMOVABLE OPEN PANEL  
COIL DRY OPERATION  
The indoor unit’s Open Panel can be removed for easy clean-  
ing and maintenance.  
The Indoor unit can be dried by pressing the COIL DRY but-  
ton on the Remote Control Unit so as to avoid going moldy  
and restrain the breed of bacterium.  
MILDEW-RESISTANT FILTER  
AUTO CHANGEOVER  
The AIR FILTER has been treated to resist mildew growth,  
thus allowing cleaner use and easier care.  
The operation mode (cooling, dry, heating) is switched au-  
tomatically to maintain the set temperature, and the tem-  
perature is kept constant at all times.  
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.  
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 pe-  
riod.  
POLYPHENOL CATECHIN AIR CLEANING FILTER  
The polyphenol catechin air cleaning filter uses static elec-  
tricity to clean the air of fine particles and dust such as to-  
bacco 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 by the filter.  
Note that when the air cleaning filter is installed, the amount  
of air produced decreases, causing a slight decrease in the  
air conditioner's performance.  
SLEEP TIMER  
When the SLEEP button is pressed during Heating mode,  
the air conditioner’s thermostat setting is gradually lowered  
during the period of operation; during cooling mode, the  
thermostat setting is gradually raised during the period of  
operation. When the set time is reached, the unit automati-  
cally turns off.  
NEGATIVE AIR IONS DEODORIZING FILTER  
WIRELESS REMOTE CONTROL UNIT  
It comprises pottery super micro particles, which can pro-  
duce negative air ions having the effect of deodorizing and  
can absorb and remit the peculiar smell at home.  
The Wireless Remote Control Unit allows convenient con-  
trol of air conditioner operation.  
WIRED REMOTE CONTROL UNIT (OPTION)  
The optional wired remote control unit (model No.: UTB-UUB) 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]  
• QUIET can't be selected in FAN MODE.  
• Sleep-timer can't be used.  
And you can't use both wired remote control unit and wireless simultaneously.  
(Only one kind can be selected)  
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NAME OF PARTS  
Fig. 1 Indoor Unit  
Fig. 6 Remote Control Unit  
1 Operating Control Panel (Fig. 2)  
2 MANUAL AUTO button  
J SLEEP button  
K MASTER CONTROL button  
G When kept on pressing the MANUAL  
AUTO button for more than 10 seconds,  
the forced cooling operation will start.  
G The forced cooling operation is used at the  
time of installation.  
Only for authorized service personnel's  
use.  
G When the forced cooling operation starts  
by any chance, press the START/STOP but-  
ton to stop the operation.  
L SET TEMP. button (  
M COIL DRY button  
N Signal Transmitter  
O TIMER MODE button  
/
)
P TIMER SET (  
/
) button  
Q FAN CONTROL button  
R START/STOP button  
S SET button  
T SWING button  
U RESET button  
V TEST RUN button  
3 Indicator (Fig. 3)  
4 Remote Control Signal Receiver  
5 OPERATION Indicator Lamp (red)  
6 TIMER Indicator Lamp (green)  
G
G
G
This button is used when installing the  
conditioner, and should not be used un-  
der normal conditions, as it will cause the  
air conditioner’s thermostat function to op-  
erate incorrectly.  
If this button is pressed during normal op-  
eration, the unit will switch to test opera-  
tion mode, and the Indoor Unit’s OPERA-  
TION 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 condi-  
tioner.  
G If the TIMER indicator lamp flashes when  
the timer is operating, it indicates that a  
fault has occurred with the timer setting  
(See Page 14 Auto Restart).  
7 SUPER QUIET Indicator Lamp (green)  
8 COIL DRY Indicator Lamp (orange)  
9 Intake Grille (Fig. 4)  
0 Front Panel  
A Air Filter  
B Air Flow Direction Louver  
C Right-Left Louver  
(behind Air Flow Direction Louver)  
D Drain Hose  
W CLOCK ADJUST button  
X Remote Control Unit Display (Fig. 7)  
Y Transmit Indicator  
Z Clock Display  
[ Operating Mode Display  
\ Timer Mode Display  
] Fan Speed Display  
E Air Cleaning Filter  
` Temperature SET Display  
a COIL DRY Display  
b SLEEP Display  
Fig. 5 Outdoor Unit  
F Pipe Unit  
c SWING Display  
G Drain port (bottom)  
H Intake Port  
I Outlet Port  
G Refer to the folded out page on the cover.  
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PREPARATION  
CAUTION!  
Turn on the Power  
G Take care to prevent infants from  
accidentally swallowing batteries.  
G When not using the Remote Control Unit  
for an extended period, remove the  
batteries to avoid possible leakage and  
damage to the unit.  
In the case of a direct line connection, turn on the cir-  
cuit breaker.  
1
G 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.  
G Dead batteries should be removed  
immediately and disposed of properly,  
either in a battery collection receptacle  
or to the appropriate authority.  
Load Batteries (AAA/R03/LR03 × 2)  
Press and slide the battery compartment lid on the re-  
1
verse side to open it.  
Slide in the direction of the arrow while pressing the  
mark.  
G Do not attempt to recharge dry batteries.  
Never mix new and used batteries, or  
batteries of different types.  
Insert batteries.  
Be sure to align the battery polarities (  
2
3
Batteries should last about one year  
under normal use. If the Remote Con-  
trol Unit’s operating range becomes ap-  
preciably reduced, replace the batteries  
and press the RESET button with the tip  
of a ballpoint pen or other small object.  
) correctly.  
Close the battery compartment lid.  
Set the Current time  
Press the CLOCK ADJUST button (Fig. 6 W).  
1
2
Use the tip of a ball-point pen or other small object to press the button.  
Use the TIMER SET (  
/
) buttons (Fig. 6 P) to  
adjust the clock to the current time.  
button: Press to advance the time.  
button: Press to reverse the time.  
(Each time the buttons are pressed, the time will be advanced/reversed in  
one-minute increments; hold the buttons depressed to change the time  
quickly in ten-minute increments.)  
Press the CLOCK ADJUST button (Fig. 6 W) again.  
This completes the time setting and starts the clock.  
3
To Use the Remote Control Unit  
G The Remote Control Unit must be pointed at signal receiver (Fig. 1 4) to operate  
correctly.  
G Operating Range: About 7 meters.  
G When a signal is properly received by the air conditioner, a beeping sound will  
be heard.  
G If no beep is heard, press the Remote Control Unit button again.  
Remote Control Unit Holder  
Insert  
Slide up  
Pull out  
Press in  
Screws  
1
Mount the Holder.  
2
Set the Remote Control  
Unit.  
3
To remove the Remote  
Control Unit (when use at  
hand).  
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OPERATION  
To Select Mode Operation  
Press the START/STOP button (Fig.6 R).  
1
2
The indoor unit’s OPERATION Indicator Lamp (red) (Fig. 3 5) will light.  
The air conditioner will start operating.  
Press the MASTER CONTROL button (Fig.6 K) to se-  
lect the desired mode.  
Each time the button is pressed, the mode will change in the following  
order.  
s
s
s
AUTO  
COOL  
DRY  
t
t
HEAT  
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 L).  
button: Press to raise the thermostat setting.  
button: Press to lower the thermostat setting.  
GThermostat setting range:  
AUTO .................................. 64°F to 88 °F  
Heating ............................... 60°F to 88 °F  
Cooling/Dry ........................ 64°F 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.  
Example: When set to 80 °F.  
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:  
s
AUTO  
s
s
s
s
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 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  
SUPER QUIET operation begins. The indoor unit’s airflow will be reduced for quieter  
operation.  
G SUPER QUIET operation cannot be used during Dry mode. (The same is true  
when dry mode is selected during AUTO mode operation.)  
G 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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To Stop Operation  
Press the START/STOP button (Fig. 6 R).  
The OPERATION Indicator Lamp (red) (Fig. 3 5) will go out.  
About AUTO CHANGEOVER Operation  
AUTO:  
G 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 or dry operation  
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  
G 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 set-  
ting.)  
G 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: G Use to warm your room.  
G When Heating mode is selected, the air conditioner will operate at very  
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.  
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.  
G 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 (Fig. 3 5) will flash, and the heat operation will be inter-  
rupted.  
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).  
Cooling: G Use to cool your room.  
Dry:  
G Use for gently cooling while dehumidifying your room.  
G You cannot heat the room during Dry mode.  
During Fan mode:  
You can not use the unit to heat and cool  
your room.  
G During Dry mode, the unit will operate at low speed; in order to adjust  
room humidity, the indoor unit’s fan may stop from time to time. Also,  
the fan may operate at very low speed when adjusting room humidity.  
G The fan speed cannot be changed manually when Dry mode has been  
selected.  
Fan:  
G Use to circulate the air throughout your room.  
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TIMER OPERATION  
Before using the timer function, be sure that the Remote Control Unit is set to the correct current time (P. 4).  
To Use the ON timer or OFF timer  
To Cancel the Timer  
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 ) will light.  
1
Use the TIMER button to select “CANCEL”.  
The air conditioner will return to normal  
operation.  
5
To Change the Timer Settings  
Press the TIMER MODE button (Fig. 6 O) to select the  
OFF timer or ON timer operation.  
Each time the button is pressed the timer function changes in the follow-  
ing order:  
Perform steps 2 and 3.  
2
To Stop Air Conditioner Operation  
while the Timer is Operating  
Press the START/STOP button.  
s
s
s
ON  
CANCEL  
OFF  
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.  
t
PROGRAM(OFF ON, OFF ON)  
The indoor unit’s green TIMER Indicator Lamp (Fig. 3 6) will light.  
Use the TIMER SET buttons (Fig. 6 P) to adjust the  
3
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  
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.  
To Cancel the Timer  
1
Use the TIMER MODE button to select  
“CANCEL”.  
The air conditioner will return to normal  
operation.  
Set the desired times for OFF timer and ON timer.  
To Change the Timer Settings  
2
See the section “To Use the ON timer or OFF timer” to set the desired  
1. Follow the instructions given in the section  
To Use the ON Timer or OFF Timer” to se-  
lect the timer setting you wish to change.  
mode and times.  
About three seconds later, the entire display will reappear.  
The indoor unit’s TIMER Indicator Lamp (green) (Fig. 3 6) will light.  
2. Press the TIMER MODE button to select  
either OFF  
ON or OFF  
ON.  
Press the TIMER MODE button (Fig. 6 O) to select the  
To Stop Air Conditioner Operation  
while the Timer is Operating  
3
PROGRAM timer operation (OFF  
will display).  
ON or OFF  
ON  
Press the START/STOP button.  
The display will alternately show “OFF timer” and “ON timer”, then change  
to show the time setting for the operation to occur first.  
To Change Operating Conditions  
If you wish to change operating conditions  
(Mode, Fan Speed, Thermostat Setting,  
SUPER QUIET mode), after making the timer  
setting wait until the entire display reap-  
pears, then press the appropriate buttons to  
change the operating condition desired.  
G The program timer will begin operation. (If the ON timer has been se-  
lected to operate first, the unit will stop operating at this point.)  
About five seconds later, the entire display will reappear.  
About the Program timer  
G 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.  
G 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).  
G One example of Program timer use might be to have the air conditioner auto-  
matically stop (OFF timer) after you go to sleep, then start (ON timer) automati-  
cally 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  
To Cancel the Timer:  
While the air conditioner is operating or stopped, press the  
SLEEP button (Fig. 6 J).  
The indoor unit’s OPERATION Indicator Lamp (red) (Fig. 3 5) lights and the TIMER  
Use the TIMER MODE button to select  
“CANCEL”.  
The air conditioner will return to normal  
operation.  
Indicator Lamp (green) (Fig. 3 6) light.  
To Stop the Air Conditioner During  
Timer Operation:  
To Change the Timer Settings  
Press the START/STOP button.  
Press the SLEEP button (Fig. 6 J) once again and set the time  
using the TIMER SET (  
/
) buttons (Fig. 6 P).  
Set the time while the Timer Mode Display is flashing (the flashing will continue  
about five seconds).  
button: Press to advance the time.  
button: Press to reverse the time.  
About five seconds later, the entire display will reappear.  
About the SLEEP Timer  
To prevent excessive 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:  
During Cooling/Dry 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.  
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  
SLEEP timer setting  
2 °F  
4 °F  
6 °F  
8 °F  
Set time  
30  
minutes  
1 hour  
1 hour  
4 °F  
2 °F  
1 hour  
30 minutes  
Set time  
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ADJUSTING THE DIRECTION OF AIR CIRCULATION  
Vertical (up-down) direction of airflow is adjusted by pressing the Remote Control Unit’s SET button. Horizontal (right-left)  
airflow direction is adjusted manually, by moving the Air Flow Direction Louvers.  
Whenever making horizontal airflow adjustments, start air conditioner operation and be sure that the vertical air direction  
louvers are stopped.  
R
Vertical Air Direction Adjustment  
DANGER!  
G Never place fingers or foreign objects in-  
side the outlet ports, since the internal fan  
operates at high speed and could cause  
personal injury.  
Press the SET button (Fig. 6 S).  
Each time the button is pressed, the air direction range will change as follows:  
1
2
3
4
5
6
7
G Always use the Remote Control Unit’s  
SET button to adjust the vertical airflow  
louvers. Attempting to move them  
manually could result in improper op-  
eration; 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  
4,5,6,7 : During Heating mode  
:
The Remote Control Unit’s display does  
not change.  
1
2
3
G During use of the Cooling and Dry  
modes, do not set the Air Flow Direc-  
tion Louvers in the Heating range (4 -  
7) for long periods of time, since wa-  
ter vapor may condense near the out-  
let louvers and drops of water may drip  
from the air conditioner. During the  
Cooling and Dry modes, if the Air Flow  
Direction Louvers are left in the heat-  
ing range for more than 30 minutes,  
they will automatically return to posi-  
tion 3.  
4
5
6
7
G Use the air direction adjustments within the ranges shown above.  
G 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 7  
G 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.  
G During AUTO mode operation, for the first minute after beginning operation,  
airflow will be horizontal 1; the air direction cannot be adjusted during this pe-  
riod.  
Right-Left Adjustment  
R
DANGER!  
G When adjusting the Right-Left Louvers, it  
is necessary to stop the Air-Conditioner  
first and make sure that it stops completely  
before adjusting the direction.  
Adjust the Right-Left louvers.  
G Move the Right-Left louvers to adjust air flow in the direction you prefer.  
Right-Left Louvers  
knob  
knob(three places)  
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SWING OPERATION  
Begin air conditioner operation before performing this procedure.  
To select SWING Operation  
Press the SWING button (Fig. 6 T).  
The SWING Display (Fig. 7 c) 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 T) once again.  
The SWING Display (Fig. 7 c) will go out.  
Airflow direction will return to the setting before swing was begun.  
About Swing Operation  
During cooling/Dry mode : Swings between 1 and 3.  
During heating mode  
: Swings between 3 and 7.  
G The SWING operation may stop temporarily when the air conditioner’s fan is not  
operating, or when operating at very low speeds.  
COIL DRY OPERATION  
The Indoor unit can be dried by pressing the COIL DRY button on the Remote Control Unit so as to avoid going moldy and  
restrain the breed of bacterium.  
The COIL DRY Operation will operate for 20 minutes after pressing the COIL DRY button and it will stop automatically.  
To select COIL DRY Operation  
Press the COIL DRY button (Fig. 6 M) during operation or when  
it stops.  
The COIL DRY Display (Fig. 7 a) and COIL DRY Indicator Lamp (orange) (Fig. 3 8)  
will light. Then it will disappear after 20 minutes.  
To cancel COIL DRY Operation  
Press the START/STOP button (Fig. 6 R) during COIL DRY  
Operation.  
The COIL DRY Display (Fig. 7 a) and COIL DRY Indicator Lamp (orange) (Fig. 3 8)  
will go out . Then the operation stops.  
About COIL DRY Operation  
G Press the COIL DRY button again during COIL DRY Operation, COIL DRY Opera-  
tion can be reset.  
G The COIL DRY Operation cannot get rid of the existed mould or bacterium, and it  
has no sterilization effect either.  
MANUAL AUTO OPERATION  
Use the MANUAL AUTO operation in the event the Remote Control Unit is lost or otherwise unavailable.  
G 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).  
How To Use the Main Unit Controls  
Press the MANUAL AUTO button (Fig. 2 2) on the main unit  
control panel.  
G The fan speed selected will be “AUTO”  
and the thermostat setting will be  
standard.(76°F)  
To stop operation, press the MANUAL AUTO button (Fig. 2 2) once again.  
(Controls are located inside the Open Panel)  
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CLEANING AND CARE  
G Before cleaning the air conditioner, be sure to turn it off and disconnect the Power.  
CAUTION!  
G Be sure the Intake Grille (Fig. 1 9) is installed securely.  
G When removing and replacing the air filters, be sure not to touch the heat exchanger, as per-  
sonal injury may result.  
Cleaning the Intake Grille  
1. Remove the Intake Grille.  
Cleaning the Air Filter  
1. Open the Intake Grille, and remove the air  
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 up-  
ward to remove.  
filter.  
Lift up the air filter’s handle, disconnect the two lower  
tabs, and pull out.  
Air filter handle  
2 Pull past the intermediate catch and open the Intake  
Grille wide so that it become horizontal.  
Intake Grille  
2
Hooks (two places)  
2
1
2. Remove dust with a vacuum cleaner or by  
1
washing.  
Intake Grille  
After washing, allow to dry thoroughly in a shaded place.  
3. Replace the Air Filter and close the Intake  
Grille.  
Mounting  
shaft  
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.  
Hooks (two places)  
2 Close the Intake Grille.  
1 Pull the knobs all the way.  
(For purposes of example, the illustration shows the unit  
without Intake Grille installed.)  
2 Hold the grille horizontal and set the left and right  
mounting shafts into the bearings at the top of the  
panel.  
G Dust can be cleaned from the air filter either with a vacuum  
cleaner, or by washing the filter in a solution of mild de-  
tergent and warm water. If you wash the filter, be sure to  
allow it to dry thoroughly in a shady place before rein-  
stalling.  
3 Press the place where the arrow on the diagram indi-  
cates and close the Intake Grille.  
Mounting shaft  
Intake  
Grille  
Bearing  
Knob  
2
G If dirt is allowed to accumulate on the air filter, air flow  
will be reduced, lowering operating efficiency and increas-  
ing noise.  
1
G During periods of normal use, the Air Filters should be  
cleaned every two weeks.  
Intake Grille  
Mounting  
shaft  
Knob  
G 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.  
G When cleaning the unit’s body, do not use water hotter than 104 °F, harsh abrasive cleansers, or volatile agents like  
benzene or thinner.  
G Do not expose the unit body to liquid insecticides or hairsprays.  
G 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.  
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CLEANING AND CARE  
Air Cleaning Filter Installation  
Replacing dirty Air cleaning filters  
Replace filters with the following components (purchased  
separately).  
1. Open the Intake Grille and remove the Air  
filters.  
G
POLYPHENOL CATECHIN AIR CLEANING FILTER : UTR-FA03-2  
G Negative air ions deodorizing filter: UTR-FA03-3  
1. Open the Intake Grille and remove the Air  
filters.  
Air Filter  
(Right & Left)  
Air Filter  
(Right & Left)  
2. Install the Air cleaning filter set (set of 2).  
1 Set the air cleaning filter into the air cleaning filter  
frame.  
2. Replace them by two new Air cleaning  
filters.  
Air cleaning filter set  
1 Remove the old air cleaning filters in reverse order of  
Air cleaning filter frame  
their installation.  
2 Install in the same way as for installation of the air  
cleaning filter set.  
Air cleaning filter  
3. Install the two Air filters and close the  
Intake Grille.  
2 Engage the latch at both ends of the filter with the  
two hooks at the rear of the air cleaning filter frame.  
Hook (2 places at the rear)  
Air Filter(Right & Left)  
In regard to the Air Cleaning Filters  
POLYPHENOL CATECHIN AIR CLEANING FILTER (one sheet)  
G The Air Cleaning Filters are disposable filters. (They can  
not be washed and reused.)  
G 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)  
Latch (2 places)  
Take care that the air cleaning filter does not project be-  
yond the frame.  
3 Engage the four fixing locations at the top and bot-  
tom of the air cleaning filter frame with the hooks of  
the air filter.  
G Generally, the filters should be exchanged about every  
three months.  
Please buy delicated air cleaning filters (UTR-FA03-2) (Sold  
separately) to exchange the used dirty air cleaning filters.  
Rear of the filter  
[Negative air ions deodorizing filter (one sheet) — light blue]  
G The filters should be exchanged about every three years  
so as to maintain the deodorizing effect.  
Fixing location, hook (4 places)  
G Filter frame is not a one-off product.  
Please buy delicated deodorizing filter (UTR-FA03-3) (Sold  
separately) when exchanging the filters.  
3. Install the two Air filters and close the  
Intake Grille.  
Maintenance of Deodorizing Filters  
Air Filter  
(Right & Left)  
In order to maintain the deodorizing effect, please clean the  
filter in the follow way once three 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.  
G When air cleaning filters are used, the effect will increased  
by setting the fan speed to “High”.  
2) Rinse with water flow.  
3) Dry in shade.  
3 Reinstall the deodorizing filter.  
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TROUBLESHOOTING  
In the event of a malfunction (burning smell, etc.), immediately stop operation, disconnect the  
Power Supply Plug, and consult authorized service personnel.  
WARNING!  
Merely turning off the unit’s power switch will not completely disconnect the unit from the power  
source. Always be sure to disconnect the Power Supply Plug or turn off your circuit breaker to  
ensure that power is completely off.  
Before requesting service, perform the following checks:  
Symptom  
Problem  
See Page  
NORMAL  
FUNCTION  
Doesn’t operate immedi-  
ately:  
G 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.  
G
Whenever the Power Supply Plug is disconnected and then re-  
connected to a power outlet, the protection circuit will operate for  
about 3 minutes, preventing unit operation during that period.  
Noise is heard:  
G 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).  
G 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.  
G
During Heating operation, a sizzling sound may be heard occasional.  
This sound is produced by the Automatic Defrosting operation.  
14  
Smells:  
G 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:  
G 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.  
G 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.  
14  
Airflow is weak or stops:  
G When Heating operation is started, fan speed is temporarily very  
low, to allow internal parts to warm up.  
G 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.  
G 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.  
14  
G The fan may operate at very low speed during Dry operation or  
when the unit is monitoring the room’s temperature.  
5
5
G During SUPER QUIET operation, the fan will operate at very low  
speed.  
G In the monitor AUTO operation, the fan will operate at very low  
speed.  
5
Water is produced from  
the outdoor unit:  
G During Heating operation, water may be produced from the out-  
door unit due to Automatic Defrosting operation.  
14  
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TROUBLESHOOTING  
Items to check  
Symptom  
See Page  
G Is the Power Supply Plug disconnected its outlet?  
G Has there been a power failure?  
CHECK ONCE Doesn’t operate at all:  
MORE  
G Has a fuse blown out, or a circuit breaker been tripped?  
G Is the timer operating?  
7 - 8  
G Is the Air Filter dirty?  
G Air the air conditioner’s intake grille or outlet port blocked?  
Poor Cooling performance:  
G Did you adjust the room temperature settings (thermostat) cor-  
rectly?  
G Is there a window or door open?  
G In the case of Cooling operation, is a window allowing bright sun-  
light to enter? (Close the curtains.)  
G In the case of Cooling operation, are there heating apparatus and  
computers inside the room, or are there too many people in the  
room?  
G Is the unit set for SUPER QUIET operation?  
5
4
The unit operates  
differently from the Remote  
Control Unit’s setting:  
G Are the Remote Control Unit’s batteries dead?  
G 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)  
and OPERATION Indicator Lamp (Fig. 3 5) flashes, immediately stop operation, disconnect the Power Supply Plug, and con-  
sult authorized service personnel.  
OPERATING TIPS  
Operation and Performance  
Microcomputer-controlled Automatic Defrosting  
Heating Performance  
G 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 per-  
formance.  
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).  
G This air conditioner operates on the heat-pump princi-  
ple, 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  
insufficient heating performance is being produced, we  
recommend you use this air conditioner in conjunction  
with another kind of heating appliance.  
G 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.  
During Automatic Defrosting operation, the OPERATION  
Indicator Lamp (red) will flash.  
AUTO Restart  
In Event of Power Interruption  
G
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).  
G The air conditioner power has been interrupted by a  
power failure. The air conditioner will then restart auto-  
matically in its previous mode when the power is restored.  
G Operated by setting before the power failure.  
G 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.  
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OPERATING TIPS  
Temperature and Humidity Range  
Cooling Mode  
Dry Mode  
Heating Mode  
About 5 °F to 75 °F  
About 86 °F or less  
Outdoor temperature  
Indoor temperature  
About 14 °F to 115 °F  
About 64 °F to 90 °F  
About 14 °F to 115 °F  
About 64 °F to 90 °F  
G 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.  
G Do not use this unit for any purposes other than the Cooling, Dehumidifying, and air-circulation of rooms in ordinary  
dwellings.  
G 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)  
Tips for saving energy  
G When the outdoor temperature is low (about 50°F or less), the unit will consume the power of 20~40W unless the power  
plug is disconnected from the outlet even if the air conditioner turns off.  
G Remove the power plug to stop the power supply for energy saving when not using for a long time.  
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