Fujitsu ASU9D User manual

OPERATING MANUAL
Fujrrsu
HEAT & COOL MODEL
(REVERSE CYCLE)
ROOM AIR CONDITIONER
MULTI SPLIT TYPE
(2 ROOMS)
Indoor Unit
ASU9D
ASU9RD
ASU12D1
Outdoor Unit
AOU18RD
AOU18D
AOU24D1
KEEP THIS OPERATION MANUAL
FOR FUTURE REFERENCE
FUJITSU GENERAL LIMITED
P/N9366614012

CONTENTS
PRECAUTIONS..
.En-1
-- "T
ADJUSTING THE DIRECTION OF 1
! I I
FEATURES AND FUNCTIONS.
.En-4
AIR CIRCULATION.L
NAME OF PARTS.
.En-5
SWING OPERATION.
.En-12
PREPARATION.
.En-6
MANUAL AUTO OPERATION.
. E n - 1 2
OPERATION .
.En-7
CLEANING AND CARE.
. E n - 1 3
TIMER OPERATION.
.En-9
TROUBLESHOOTING.
. E n - 1 6
SLEEP TIMER OPERATION.
.En-10
OPERATING TIPS.
.En-17
PRECAUTIONS
• Before using the appliance, read these "PRECAUTIONS" thoroughly and operate in the correct way. ^
• The instructions in this section all relate to safety; be sure to maintain save operating conditions. V Z'r
• "DANGER", "WARNING" and "CAUTION" have the following meanings in these instructions:
A DANGER!
This mark indicates procedures which, if improperly performed* ate most likely to
result in the death of or serious injury to the user or service personnel.
A WARNING!
This mark indicates procedures which, if improperly performed, might lead to the
death or serious injury of the user.
A CAUTION!
This mark Indicates procedures which, if improperly performed, might possibly result
in personal harm to the user, or damage to property.
Safety Symbols
A The triangular symbol indicates DANGER, WARNING and CAUTION items.
0 This symbol indicates prohibited operations. The prohibited action is indicated both within the symbol,
and in nearby explanations.
• This symbol indicates instructions regarding operations which are to be performed by the user.
/t\ DANGER!
Do not attempt to install this air conditioner by yourself. £
• Consult authorized service personnel for all installations.
>
Consult authorized service personnel for any repairs. -
• Do not attempt to remove parts, or service the unit yourself, since you may be I X# \
exposed to dangerous electrical shock. This appliance contains no user-service-
able parts.
When moving, consult authorized service personnel for discon-
nection and installation of the unit.
1
En-1

PRECAUTIONS
/?\ WARNING!
Do not stay in direct cooling airflow for long periods.
• Excessive direct exposure to chilled air could be bad for your health. {
• Be especially careful when going to bed, and in rooms where infants, aged, or sick *
people are staying. j
_ \
u ^ 1
Do not insert fingers or objects into the outlet port or intake
grilles. ^
• A fan operates at high speed inside the unit, and personal injury could result.
% Be particularly careful regarding small children.
'r- - 1 — r~> — '
In the event of a malfunction (burning smell, etc.), immediately
stop operation, disconnect the power, and consult authorized
service personnel.
• Continuing to operate the unit under such conditions could lead to hazard of fire
or electrical shock.
CAUTION!
Be careful to provide adequate ventilation
particularly when using the unit in combi¬
nation with other heating apparatus.
• insufficient ventilation could lead to oxygen starvation.
Do not place animals or plants in the direct
path of the air flow.
Do not climb on, or place objects on, the
air conditioner.
• Personal injury could result from a falling object, or if
the unit tips over.
Do not direct air flow at fireplaces or heat¬
ing apparatuses.
• Direct air blowing on fires could result in improper com¬
bustion or fire.
Do not hang on or cover the air conditioner. Do not set flower vases or water contain¬
ers on top of air conditioners.
• Water leaking inside the unit could damage electrical
insulation, leading to danger of electrical shock.
Do not expose the air conditioner directly
to water.
• Electrical insulation could be damaged, resulting in elec¬
trical shock.
Do not operate the air conditioner with wet
hands.
• Electrical shock could result.
En-2

PRECAUTIONS
/4\ CAUTION!
Turn off power source when not using the
unit for extended periods.
Always turn off the electrical breaker when¬
ever cleaning the air conditioner or chang¬
ing the air filter.
• A fan operates at high speed inside the unit, and per¬
sonal injury could result.
Take precautions to prevent infants from
accidentally swallowing batteries.
Check the condition of the installation for
damage.
• After lengthy use, arrange for visit by authorized serv¬
ice personnel to check installation condition.
Do not drink the water drained from the air
conditioner.
Do not use in applications involving the
storage of foods, plants or animals, preci¬
sion equipment, or art works.
• The quality of the stored items may deteriorate.
Take out the batteries from the remote con¬
trol unit when not using for a long time.
• Take out the batteries to prevent troubles caused by
battery liquid leakage.
• If leaking battery fluid comes in contact with your skin,
eyes, or mouth, immediately wash with copious
amounts of water, and consult your physician.
Do not touch the heat exchanger radiator
fins.
• Personal injury could result.
• Be particularly careful when cleaning.
• Bending or damage to the fins will affect the efficiency
of the unit.
Always operate with the air filter installed.
• Operating the unit without the air filter could cause ex¬
cessive dirt to collect on internal parts, leading to mal¬
function.
Do not block or cover the intake grille and
outlet port.
• Obstructing the ports will reduce operating efficiency,
leading to improper operation and possible damage.
Install the indoor unit and remote control
unit at least one meter from any television
sets or radio.
• Signal radiation could be induced into the system to
give erroneous operation.
Avoid installing the air conditioner near a
fireplace or other heating apparatus.
• Exposure to excessive heat could result in deformation
of the outer case.
When installing the indoor unit and outdoor
unit, take precautions to prevent access by
infants.
• Unexpected accidents could occur.
Be sure to attach the intake grille securely.
Do not use inflammable gases near the air
conditioner.
Connection valves become hot during Heat¬
ing; handle with care.
• Touching the connection valves could result in burns.
En-3

FEATURES AND FUNCTIONS
( AUTOMATIC OPERATION )
Merely press the START/STOP button, and the unit will be¬
gin automatic operation in either the Heating, Cooling, Dry
or Monitor modes as appropriate, in accordance with the
thermostat setting and the actual temperature of the room.
( 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
mode, the thermostat setting is gradually raised during the
period of operation. When the set time is reached, the unit
automatically turns off.
( WIRELESS REMOTE CONTROL UNIT )
The WIRELESS REMOTE CONTROL UNIT allows convenient
control of air conditioner operation.
( SWING OPERATION )
The Air Flow Direction Louvers swings automatically up and
down so that the air speeds to every nook and corner of
your room.
( 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.
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 for quieter operation.
POWER DIFFUSER
(for warm air to your feet) _^
When the Air Flow Direction Louvers are moved for down¬
ward blowing, the Power Diffuser opens in downward di¬
rection and generates a powerful air flow to warm your feet
quickly and efficiently.
En-4

NAME OF PARTS
— Fig. 1 Indoor Unit-
-© Operating Control Panel (Fig. 2)-
(D MANUAL AUTO button _
© Remote Control Signal Receiver
-® Indicator Lamps (Fig. 3)-
© OPERATION Indicator Lamp (red)
© TIMER Indicator Lamp (green)
• If the TIMER indicator lamp flashes when
the timer is operating, it indicates that a
fault has occurred with the timer setting
(see page 17 Auto Restart).
© SWING indicator Lamp (orange)
© intake Grille (Fig. 4)
® Air Filter
© Air Flow Direction Louver
© Right-Left Louvers
(behind Air Flow Direction Louver)
© Drain Hose
© Inter Unit-Line
© Air Cleaning Filter (optional)
Fig. 5 Outdoor Unit —
© Power Supply
© Intake Port
© Outlet Port
© Pipe Unit
® Drain port (bottom)
- Fig. 6 Remote Control Unit-—
© SLEEP button
© MASTER CONTROL button
@ SET TEMP./SET TIME button (©/©)
© Signal Transmitter
© TIMER button
© FAN CONTROL button
© START/STOP button
© AIR FLOW DIRECTION button
© SWING LOUVER button
-Rear side (Fig. 7)-
© TIME ADJUST button
© ACL button
(located inside battery compartment)
® TEST RUN button
• This button is used when installing the
unit, and should not be used under nor¬
mal conditions, as it will cause the air con¬
ditioner's thermostat function to operate
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.
-© Remote Control Unit Display (Fig. 8)
© Transmit Indicator
© Clock Display
© Operating Mode Display
® Timer Mode Display
© Fan Speed Display
© Temperature Set Display
© Timer Set Indicator
© Temperature Set Indicator_
En-5

PREPARATION
Turn on the Power
In the case of a direct line connection, turn on the circuit
breaker.
J^fv
Load Batteries (AAA x 2)
1
2
3
Press and slide the battery compartment lid on the re¬
verse side to open it.
Slide in the direction of the arrow while pressing the 0 mark.
Insert batteries.
Be sure to align the battery polarities (©/©) correctly.
Close the battery compartment lid.
Set the Current time
1
2
Press the TIME ADJUST button (Fig. 7 <§)).
Use the tip of a bail-point pen or other small object to press the button.
Use the ©/© SET TEMP./SET TIME buttons (Fig. 6 ®)
to adjust the clock to the current time.
© button: Press to advance the time.
© button: Press to reverse the time.
A CAUTION! _
• Take care to prevent infants from acciden¬
tally swallowing batteries.
• When not using the remote control unit
for an extended period, remove the bat¬
teries to avoid possible leakage and dam¬
age to the unit.
• If leaking battery fluid comes in contact
with your skin, eyes, or mouth, immedi¬
ately wash with copious amounts of wa¬
ter, and consult your physician.
• Dead batteries should be removed quickly
and disposed of properly, either by plac¬
ing in a public battery collection recepta¬
cle, or by returning to appropriate author-
ity.
• Do not attempt to recharge dry batteries.
Never mix new and used batteries, or
batteries of different types.
Batteries should last about one year
under normal use. If the remote control
unit's operating range becomes appre¬
ciably reduced, replace the batteries and
press the ACL button (Fig. 7 with
the tip of a ballpoint pen or other small
object.
(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 steps.)
3 Press the TIME ADJUST button again.
This completes the time setting and starts the clock.
--
To Use the Remote Control Unit
• The remote control unit must be pointed at signal receiver (Fig. 1 ©) to operate
correctly.
• Operating range: About 7 meters.
• When a signal is properly received by the air conditioner, a beep be heard.
• If no beep is heard, press the remote control unit button again.
. ’ ■ ' .~ >
Remote Control Unit Holder
0 Mount the Holder. 0 Set the Remote Control
Unit.
( 3 ) To remove the Remote
Control Unit.
En-6

OPERATION
To Select Mode Operation
1
2
Press the START/STOP button (Fig-6 <g».
The indoor unit's OPERATION indicator lamp (red) (Fig. 3 ©) will light.
The air conditioner will start operation.
Press the MASTER CONTROL button (Fig.6 ©) to se¬
lect the desired mode.
Each time the button is pressed, the mode will change in the following
order:
|— ► A U T O— ► C OOL- ► DRY-
L HEAT < -FAN ◄ -
About three seconds later, the entire display will reappear.
To Set the Thermostat
^ _ ___ -.-. . _ . '
Press the SET TEMP, buttons (Fig. 6 @).
© button: Press to raise the thermostat setting.
© button: Press to lower the thermostat setting.
• Thermostat setting range:
Heating.60 to 88 °F
Cooling/Drying.64 to 88 °F
AUTO.64 to 88 °F
About three seconds later, the entire display will reappear.
NOTE:
• The thermostat setting should be considered a standard value, and may dif¬
fer somewhat from the actual room temperature.
Example: When set to COOL
The thermostat setting should be considered a standard value, and may differ
somewhat from the actual room temperature.
Example: When set to 80 °F
—_—-— >
To Set the Fan Speed
Press the FAN CONTROL button (Fig. 6 @).
Each time the button is pressed, the fan speed changes in the following order:
|— ► A U TO- ► HIGH- ► MED- ► L OW- ► QUIET —|
About three seconds later, the entire display will reappear.
When set to AUTO:
Heating : Fan operates so as to optimally circulate warmed air.
However, the fan will operate at very low speed when the tempera¬
ture of the air issued from the indoor unit is low.
Cooling : As the room temperature approaches that of the thermostat setting,
the fan speed becomes slower.
Fan : The fan alternately turns on and off; when on, the fan runs at the low
fan speed.
Example: When set to AUTO
The fan will operate at very low setting during Monitor operation
and at the start of the Heating mode. _
In order to increase the drying effect
When set to QUIET: during quiet cooling operation, the fan of
SUPER QUIET operation begins. The indoor unit's airflow will be reduced for the indoor unit may stop,
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.
En-7

To Select Automatic Operation
Press the MASTER CONTROL button to select AUTO.
The operating mode "AUTO" will appear alone in the display. The transmit indi¬
cator will flash to indicate the command has been sent, and about three sec¬
onds later the entire display panel will reappear.
To Set the Thermostat
Press the TEMPERATURE set button.
LOW HIGH LOW HIGH LOW HIGH LOW HIGH
LOW HIGH
■ M Hpfl . ffW
When set to When set to When set to When set to
4 °F lower 2 °F lower "normal" 2 °F higher
When set to
4°F higher
About three seconds later, the entire display will reappear.
NOTE: The thermostat setting should be considered a standard
differ somewhat from the actual room temperature.
value, and may
To Stop Operation
■ j
Press the START/STOP button.
The OPERATION indicator lamp (red) (Fig. 3 ©) will go out.
About Mode Operation
AUTO:
• Depending on the room temperature at the time operation begins, the operating
mode will be switched automatically as shown in the accompanying table.
Also, depending on the operating mode, the room temperature setting will cause
the "standard" temperature to be set as shown.
Example: When set to "normal"
Actual Room
Temperature
Operating Mode
Thermostat Setting
(standard setting)
88 °F or above
->
Cooling
82 °F
82 to 88 °F ->
Cooling
—>
80 °F
78 to 82 6 F
->
Dry
—>
76 °F
74 to 78 # F
Dry
72 6 F
Below 74 °F
Dry ->
68 °F
The operating mode and standard thermostat settings are selected automatically
when operation begins.
• When automatic operation is initiated, the fan will run at very low speed for about
one minute while the unit detects and selects the proper operating mode.
• Once the operating mode has been set, the mode will not change even if the
room temperature changes.
• If the START/STOP button is pressed to recommence operation within two hours
after stopping automatic operation, the unit will begin operating from the same
mode as before.
Cooling:
• Use to cool your room.
Dry:
• Use for gently cooling while dehumidifying your room.
• You cannot heat the room during Dry mode.
• During Dry mode, the unit will operate at low speed; in order to adjust room
humidity, the indoor unit's fan may stop from time to time. Also, the fan may
operate at very low speed when detecting room humidity.
• The fan speed cannot be changed manually when Dry mode has been selected.
During Cooling/Dry mode:
Set the thermostat to a temperature setting
that is lower than the current room tempera¬
ture. The Cooling and Dry modes will not
operate if the thermostat is set higher than
the actual room temperature (in Cooling
mode, the fan alone will operate).
During Fan mode:
• Fan operation begins when room tem¬
perature in the vicinity of the air condi¬
tioner rises above the set thermostat
temperature; when the temperature
drops, fan operation stops.
• If the air emitted feels too cool, raise
the thermostat setting.
Fan:
• Use to circulate warm air from ceiling area throughout room when using space
heaters.
En-8