Fujitsu AST9ASJCW User manual

KEEP THIS OPERATION MANUAL

FOR FUTURE REFERENCE

FUJITSU GENERAL LIMITED P/N9312298044-01

Indoor Unit

AST9ASJCW

AST12ASJCW

Outdoor Unit

AOT9AEJC

AOT12ASJC

COOLING MODEL

ROOM AIR CONDITIONER

WALL MOUNTED TYPE

OPERATING MANUAL

●If the power supply cord of this air conditioner is damaged, it must be replaced by

the manufacturer or its authorized service personnel only in order to avoid a safety

hazard.

CONTENTS

SAFETY PRECAUTIONS .......................................... 2

FEATURES AND FUNCTIONS ................................. 3

NAME OF PARTS ...................................................... 4

PREPARATION .......................................................... 6

OPERATION .............................................................. 7

TIMER OPERATION .................................................. 9

SLEEP TIMER OPERATION .................................... 10

ADJUSTING THE DIRECTION OF

AIR CIRCULATION .................................................. 11

SWING OPERATION ............................................... 12

MANUAL AUTO OPERATION ................................ 12

CLEANING AND CARE ........................................... 13

TROUBLESHOOTING ............................................. 14

OPERATING TIPS .................................................... 15

SAFETY PRECAUTIONS

●Do not attempt to install this air conditioner by yourself.

●This unit contains no user-serviceable parts. Always consult authorized service per-

sonnel for repairs.

●When moving, consult authorized service personnel for disconnection and installa-

tion of the unit.

●Do not become excessively chilled by staying for lengthy periods in the direct cooling

airflow.

●Do not insert fingers or objects into the outlet port or intake grilles.

●Do not start and stop air conditioner operation by disconnecting the power supply

cord and so on.

●Take care not to damage the power supply cord.

●In the event of a malfunction (burning smell, etc.), immediately stop operation, dis-

connect the power supply plug, and consult authorized service personnel.

●If the power supply cord of this appliance is damaged, it should only be replaced by

the authorized service personal, since special purpose tools and specified cord are

required.

●Provide occasional ventilation during use.

●Do not direct air flow at fireplaces or heating apparatus.

●Do not climb on, or place objects on, the air conditioner.

●Do not hang objects from the indoor unit.

●Do not set flower vases or water containers on top of air conditioners.

●Do not expose the air conditioner directly to water.

●Do not operate the air conditioner with wet hands.

●Do not pull power supply cord.

●Turn off power source when not using the unit for extended periods.

●Check the condition of the installation stand for damage.

●Do not place animals or plants in the direct path of the air flow.

●Do not drink the water drained from the air conditioner.

●Do not use in applications involving the storage of foods, plants or animals, precision

equipment, or art works.

●Do not apply any heavy pressure to radiator fins.

●Operate only with air filters installed.

●Do not block or cover the intake grille and outlet port.

●Ensure that any electronic equipment is at least one metre away from either the in-

door or outdoor units.

●Avoid installing the air conditioner near a fireplace or other heating apparatus.

●When installing the indoor and outdoor unit, take precautions to prevent access to

infants.

●Do not use inflammable gases near the air conditioner.

DANGER!

CAUTION!

WARNING!

FEATURES AND FUNCTIONS

AUTOMATIC OPERATION

Merely press the START/STOP button, and the unit will be-

gin automatic operation in the Cooling or Dry mode as ap-

propriate, in accordance with the thermostat setting and the

actual temperature of the room.

SLEEP TIMER

When the SLEEP timer button is pressed during Cooling

mode, the thermostat setting is gradually raised during the

period of operation. When the set time is reached, the unit

automatically turns off.

WIRELESS REMOTE CONTROL UNIT

The Wireless Remote Control Unit allows convenient con-

trol 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 clean-

ing 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 to produce quieter operation.

AIR CLEANING FILTER (Optional)

The optional Air Cleaning Filter (Model APS-03B) uses an

electrostatic principle to clean the air of fine particulate

matter such as tobacco smoke and plant pollen.

OPERATION

TIMER

SWING

(

•

–

ºŸª≠

)

∞

Fig. 5

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 7

This figure shows the control display when all indicator lamps are on. It may differ from the actual display.

Fig. 6

NAME OF PARTS

Fig. 1 Indoor Unit

1Operating Control Panel (Fig. 2)

2MANUAL AUTO button

3Remote Control Signal Receiver

4Indicator Lamps (Fig. 3)

5OPERATION Indicator Lamp (red)

6TIMER Indicator Lamp (green)

●If the TIMER indicator lamp flashes when

the timer is operating, it indicates that a

fault has occurred with the timer setting

(See Page 15 AUTO Restart).

7SWING Indicator Lamp (orange)

8Intake Grille (Fig. 4)

9Air Filter

0Air Flow Direction Louver

ARight-Left Louver

(behind Air Flow Direction Louver)

BDrain Hose

CPower Supply Plug

DPower Supply Cord

EAir Cleaning Filter (optional)

Fig. 5 Outdoor Unit

FIntake Port

GOutlet Port

HPipe Unit

Fig. 6 Remote Control Unit

ISLEEP button

JMASTER CONTROL button

KSET TEMP. button ( / )

LSignal Transmitter

MOFF TIMER button

NON TIMER button

OSET TIMER button

PCANCEL TIMER button

QFAN CONTROL button

RSTART/STOP button

SAIR FLOW DIRECTION button

TSWING LOUVER button

UACL button

TEST RUN button

●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.

WRemote Control Unit Display (Fig. 7)

XTransmit Indicator

YOperating Mode Display

ZTimer Mode Display

OFF TIMER Mark:

ON TIMER Mark:

SLEEP TIMER Mark:

[Fan Speed Display

\Temperature and time display

It displays the temperature setting. How-

ever, when making the Timer setting, it will

display the Timer time. (The temperature

setting will reappear after finishing the

timer setting)

PREPARATION

CAUTION!

●Take care to prevent infants from

accidentally swallowing batteries.

●When not using the remote control unit

for an extended period, remove the

batteries to avoid possible leakage and

damage to the unit.

●If leaking battery fluid comes in contact

with your skin, eyes, or mouth, immedi-

ately wash with copious amounts of

water, and consult your physician.

●Dead batteries should be removed

immediately and disposed of properly,

either in a battery collection receptacle

or to the appropriate authority.

●Do not attempt to recharge dry batteries.

Never mix new and used batteries, or

batteries of different types.

Batteries should last about one year

under normal use. If the remote control

unit’s operating range becomes appre-

ciably reduced, replace the batteries and

press the ACL button with the tip of a

ballpoint pen or other small object.

Turn on the Power

1Connect the Power Supply Plug (Fig. 1 C) to an electri-

cal outlet; in the case of a direct line connection, turn

on the circuit breaker.

Load Batteries (R03/LR03 ××

××

×2)

1Press and slide the battery compartment lid on the re-

verse side to open it.

Slide in the direction of the arrow while pressing the mark.

2Insert batteries.

Be sure to align the battery polarities ( ) correctly.

3Close the battery compartment lid.

To Use the Remote Control Unit

●The Remote Control Unit must be pointed at signal receiver (Fig. 1 3) to operate

correctly.

●Operating Range: About 7 meters.

●When a signal is properly received by the air conditioner, a beeping sound will

be heard.

●If no beep is heard, press the Remote Control Unit button again.

To Select Mode Operation

1Press the START/STOP button (Fig.6 R).

The indoor unit’s OPERATION indicator lamp (red) (Fig. 3 5) will light.

The air conditioner will start operating.

2Press the MASTER CONTROL button (Fig.6 J) to se-

lect the desired mode.

Each time the button is pressed, the mode will change in the following

order.

AUTO COOL DRY FAN

About three seconds later, the entire display will reappear.

To Set the Thermostat

Press the SET TEMP. button (Fig. 6 K).

button: Press to raise the thermostat setting.

button: Press to lower the thermostat setting.

●Thermostat setting range:

AUTO .................................. Standard temperature setting ± 2 °C

Cooling/Dry ........................ 18-30 °C

FAN ..................................... 17-30 °C

(During use of FAN mode, if the thermostat is set at 17 °C or lower, the display will

show ”--” and the fan will operate continuously, regardless of the room tempera-

ture.)

About three seconds later, the entire display will reappear.

The thermostat setting should be considered a standard value, and may differ

somewhat from the actual room temperature.

To Set the Fan Speed

Press the FAN CONTROL button (Fig. 6 Q).

Each time the button is pressed, the fan speed changes in the following order:

AUTO HIGH MED LOW QUIET

About three seconds later, the entire display will reappear.

When set to AUTO:

Cooling : As the room temperature approaches that of the thermostat setting,

the fan speed becomes slower.

Fan : The fan will operate at the optimum speed in accordance with the

room temperature in the vicinity of the indoor unit.

When set to QUIET:

SUPER QUIET operation begins. The indoor unit’s airflow will be reduced for qui-

eter operation.

●SUPER QUIET operation cannot be used during Dry mode. (The same is true

when dry mode is selected during AUTO mode operation.)

●Cooling performance will be reduced somewhat during SUPER QUIET opera-

tion.

OPERATION

ssss

Example: When set to COOL.

Example: When set to 26 °C.

Example: When set to AUTO.

ssss

To Stop Operation

Press the START/STOP button.

The OPERATION indicator lamp (red) (Fig. 3 5) will go out.

About Mode Operation

AUTO: ●Depending on the room temperature at the time operation begins, the

operating mode will be switched automatically as shown in the

accompanying table.

Also, depending on the operating mode, the room temperature set-

ting will cause the “standard” temperature to be set as shown.

Actual Room Operating Mode Thermostat Setting

Temperature (standard setting)

30 °C or above →Cooling →27 °C

27 °C to 30 °C →Cooling →26 °C

25 °C to 27 °C →Dry →24 °C

23 °C to 25 °C →Dry →22 °C

Below 23 °C →Dry →20 °C

The operating mode and standard thermostat settings are selected auto-

matically 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 op-

erating 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 humid-

ity.

●The fan speed cannot be changed manually when Dry mode has been

selected.

Fan: ●Use to circulate the air from ceiling area throughout your room when

using space heaters.

During Cooling/Dry mode:

Set the thermostat to a temperature set-

ting that is lower than the current room

temperature. The Cooling and Dry modes

will not operate if the thermostat is set

higher than the actual room temperature

(in Cooling mode, the fan alone will oper-

ate).

During Fan mode:

●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.

OPERATION

TIMER OPERATION

To Use the OFF TIMER

1Press 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.

2Press OFF TIMER button (Fig. 6 M) to select the de-

sired times.

Press OFF TIMER button to change from temperature setting to timer dis-

play.

Each time the button is pressed, the time changes in the following order:

Set the time while the OFF TIMER mark ( ) on the remote control

unit’s display is flashing. (The flashing will continue for about 30 sec-

onds)

3Press SET button (Fig. 6 O) to select OFF TIMER op-

eration.

The OFF Timer Mark ( ) will be shown on the remote control unit’s

display.

The Indoor Unit TIMER Indicator Lamp (green) will light.

It can not be used during ON TIMER operation.

To Use the ON TIMER

1Press 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.

2Press ON TIMER button (Fig. 6 N) to set the expected

time.

If ON TIMER button is pressed, it will be changed into time display from

temperature setting display.

Each time the button is pressed, the time time changes in the following

order:

Set the time while the ON TIMER mark ( )on the remote control unit’s

display is flashing.(The flashing will continue for about 30 seconds)

3Press SET button (Fig. 6 O) to select ON TIMER opera-

tion.

The ON Timer mark ( )will be shown on the remote control unit’s dis-

play.

The Indoor Unit Timer Indicator Lamp(green) Will light.

It can not be used during OFF TIMER operation.

To Cancel the Timer

Press the CANCEL TIMER button.

To Change the Timer Settings

Press the ON TIMER button/OFF TIMER

button as required. Perform Use TIMER

step 2 and 3.

To Stop Air Conditioner Operation

while the Timer is Operating

Press the START/STOP button.

To Change Operating Conditions

If you wish to change the operating

conditions (Mode, Fan Speed, Thermostat

Setting), after making the timer setting,

wait until the entire display reappears, then

press the appropriate buttons to change to

the desired operating condition.

To Cancel the Timer

Press the CANCEL TIMER button.

To Change the Timer Settings

Press the ON TIMER button/OFF TIMER

button as required. Perform Use TIMER

step 2 and 3.

To Stop Air Conditioner Operation

while the Timer is Operating

Press the START/STOP button.

To Change Operating Conditions

If you wish to change operating conditions

(Mode, Fan Speed, Thermostat Setting),

after making the timer setting wait until the

entire display reappears, then press the

appropriate buttons to change the operat-

ing condition desired.

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. 6 I).

The SLEEP TIMER mark ( ) on the remote control unit’s display will light.

Within 3 seconds after ( ) light the time can be changed by pressing SLEEP

button once again.

Each time the button is pressed, the time changes in the following order:

About three seconds later, the entire display will reappear.

The Indoor Unit’s OPERATION Indicator Lamp (red) (Fig. 3 5) and the TIMER indica-

tor lamp (green) (Fig. 3 6) light.

To Change the Timer Settings

Press the SLEEP button once to display the last setting time.

Press the SLEEP button again to change the time.

Each time the button is pressed, the time changes in the following order (Change

from the last setting time):

To Cancel the Timer:

Press the CANCEL TIMER button.

To Stop the Air Conditioner During

Timer Operation:

Press the START/STOP button.

Confirmation of TIMER's time

To confirm TIMER's time, press SET button while setting SLEEP TIMER (or during

running).

If SET button is pressed, it will be changed into time display from temperature

setting display. The left time of the TIMER which is being set currently will be dis-

played for 5 seconds, then it will return to temperature setting display.

About the SLEEP timer

To prevent excessive cooling during sleep, the SLEEP timer function automatically modifies the thermostat setting in accord-

ance with the time setting. When the time has elapsed, the air conditioner completely stops.

Set time

1 hour

1 °C2 °C

During Cooling/Dry operation:

When the SLEEP timer is set, the thermostat setting is auto-

matically raised 1 °C every sixty minutes. When the ther-

mostat has been raised a total of 2 °C, the thermostat set-

ting at that time is maintained until the set time has elapsed,

at which time the air conditioner automatically turns off.

SLEEP timer setting

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