Fujitsu AOU36T, ASU18T User Manual
ROOM AIR CONDITIONER
MULTI SPLIT TYPE
(3 ROOMS)
Indoor Unit
ASU18T
OPERATING MANUAL
English
Outdoor Unit
AOU36T
KEEP THIS OPERATION MANUAL
FOR FUTURE REFERENCE.
FUJITSU GENERAL LIMITED
CONTENTS
SAFETY PRECAUTIONS .......................................... 1
FEATURES AND FUNCTIONS ................................. 2
NAME OF PARTS ...................................................... 3
PREPARATION .......................................................... 7
OPERATION .............................................................. 9
TIMER OPERATION .................................................. 13
ADJUSTING THE DIRECTION OF
AIR CIRCULATION .................................................. 15
SWING OPERATION............................................ 17
ENERGY SAVE OPERATION ............................... 19
MANUAL AUTO OPERATION ............................. 19
CLEANING AND CARE ........................................ 20
TROUBLESHOOTING.......................................... 23
OPERATING TIPS................................................. 24
SAFETY 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.
● “DANGER”, “WARNING” and “CAUTION” have the following meanings in these instructions:
DANGER!
WARNING!
CAUTION!
DANGER!
This mark indicates procedures which, if improperly performed, are most likely to
result in the death of or serious injury to the user or service personnel.
This mark indicates procedures which, if improperly performed, might lead to the
death or serious injury of the user.
This mark indicates procedures which, if improperly performed, might possibly result
in personal harm to the user, or damage to property.
● 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 installation of the unit.
● Do not become excessively chilled by staying for lengthy periods in the direct cooling airflow.
● Do not insert fingers or objects into the outlet port or intake grilles.
● Do not start and stop air conditioner operation by turning off the circuit breaker and so on.
● In the event of a malfunction (burning smell, etc.), immediately stop operation, turn
off the circuit breaker, and consult authorized service personnel.
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CAUTION!
● 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.
● 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 meter 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.
● Always turn off the circuit breaker whenever cleaning the air conditioner or changing
the air filter.
● Connection valves become hot during Heating, handle with care.
● When restarting the air conditioner after a long period of disuse, turn the power switch
on at least 12 hours before starting the unit.
FEATURES AND FUNCTIONS
AUTOMATIC OPERATION
● COOLING MODEL
Merely press the START/STOP button, and the unit will
begin automatic operation in the Cooling or Dry mode as
appropriate, in accordance with the thermostat setting
and the actual temperature of the room.
● HEAT & COOL MODEL (REVERSE CYCLE)
Merely press the START/STOP button, and the unit will
begin automatic operation in either the Heating, Cooling
or Monitor modes as appropriate, in accordance with the
thermostat setting and the actual temperature of the
room.
SLEEP TIMER
● COOLING MODEL
When the SLEEP timer button is pressed 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.
● HEAT & COOL MODEL (REVERSE CYCLE)
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.
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.
AIR CLEANING FILTER (Optional)
The optional air cleaning filter uses an electrostatic principle to clean the air of fine particulate matter such as tobacco
smoke and plant pollen.
WIRELESS REMOTE CONTROL UNIT
The WIRELESS REMOTE CONTROL UNIT allows convenient
control of air conditioner operation.
OMNI-DIRECTIONAL AIR FLOW
(SWING OPERATION)
Three-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.
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Fig. 1
Fig. 5
Fig. 2
Fig. 3
Fig. 4
Fig. 6
Fig. 8
Fig. 7
NAME OF PARTS
Fig. 1 Indoor Unit
1 Operating Control Panel (Fig. 2)
2 MANUAL AUTO button
3 Remote Control Signal Receiver
4 Indicator Lamps (Fig. 3)
5 OPERATION Indicator Lamp (red)
6 TIMER Indicator Lamp (green)
● If the TIMER indicator lamp flashes when
the timer is operating, it indicates that a
fault has occurred with the timer setting
(see page 17 Auto Restart).
7 SWING Indicator Lamp (orange)
8 Intake Grille (Fig. 4)
9 Air Filter
0 Air Flow Direction Louver
A Right-Left Louvers
(behind Air Flow Direction Louver)
B Drain Hose
C Inter Unit-Line
D Air Cleaning Filter (optional)
Fig. 5 Outdoor Unit
E Power Supply
F Intake Port
G Outlet Port
H Pipe Unit
I Drain port (bottom)
Fig. 6 Remote Control Unit
J SLEEP button
K MASTER CONTROL button
L SET TEMP./SET TIME button (
M Signal Transmitter
N TIMER button
O FAN CONTROL button
P START/STOP button
Q AIR FLOW DIRECTION button
R SWING LOUVER button
Rear side (Fig. 7)
S TIME ADJUST button
T ACL button
(located inside battery compartment)
U TEST RUN button
● This button is used when installing the
unit, and should not be used under normal conditions, as it will cause the air conditioner’s thermostat function to operate
incorrectly.
● If this button is pressed during normal operation, the unit will switch to test operation mode, and the Indoor Unit’s OPERATION Indicator Lamp and TIMER Indicator
Lamp will begin to flash simultaneously.
● To stop the test operation mode, press the
START/STOP button to stop the air conditioner.
V Remote Control Unit Display (Fig. 8)
W Transmit Indicator
X Clock Display
Y Operating Mode Display
Z Timer Mode Display
[ Fan Speed Display
\ Temperature Set Display
] Timer Set Indicator
` Temperature Set Indicator
)
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NAME OF PARTS
Instructions relating to heating(*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
Fig. 1
Fig. 2
Fig. 3
Fig. 5
Fig. 6
G
H
I
O
P
Q
MASTER
CONTROL
SLEEP
CLOCK
COOL
SET
ENERGY
SAVE
SET
TEMP
SWING
.
START
STOP
SET
TIME
TIME
ADJUST
Fig. 4
J
TIMER
AUTO
CONTROL
K
FAN
L
M
N
U
V
W
X
*
CLOCK
AM
PM
OFF
A
AUTO
COOL
DRY
FAN
HEAT
TIMER
SLEEP
HM
ON
ENERGY SAVE
ON
OFF
TIMER RESET
AUTO
HIGH
MED
LOW
Y
Z
[
\
]
SET
SWING
TEST
RUN ACL
R
S
Fig. 8
T
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Fig. 7
Fig. 1 Indoor Unit
1 Operating Control Panel (Fig. 2)
2 MANUAL AUTO button
3 Remote Control Signal Receiver
4 Indicator Lights (Fig. 3)
5 OPERATION Indicator Light (red)
6 TIMER Indicator Light (green)
7 SWING Indicator Light (orange)
(VERTICAL SWING)
8 SWING Indicator Light (orange)
(HORIZONTAL SWING)
If the TIMER indicator light flashes when
●
the timer is operating, it indicates that a
fault has occurred with the timer setting
(See page 15 Auto Restart).
9 Intake Grille (Fig. 4)
0 Air Filter
A UP/DOWN Air Direction Flaps
B RIGHT/LEFT Air Direction Louvers
(behind UP/DOWN Air Direction Flaps)
C Drain Hose
D Air Cleaning Filter (optional)
Fig. 5 Outdoor Unit
E Intake Side
F Outlet Side
Fig. 6 Remote Control Unit
G SLEEP Button
H MASTER CONTROL Button
I SET TEMP./SET TIME Buttons (
)
J Signal Transmitter
K TIMER Button
L FAN CONTROL Button
M START/STOP Button
N Battery compartment lid
Inside of the battery compartment lid (Fig. 7)
O AIR FLOW DIRECTION Button
P ENERGY SAVE Button
Q CODE CHANGE (Slide Switch)
Switching the remote control unit code.
(Max. 4 units)
R TIME ADJUST Button
S TEST RUN Button
● This button is used when installing the air
conditioner and should not be used under
normal conditions as it will cause the air
conditioner’s thermostat function to operate incorrectly.
● If this button is pressed during normal operation, the unit will switch to test operation mode, and the indoor unit’s OPERATION indicator light and TIMER indicator
light will begin to flash simultaneously.
● To stop the test operation mode, either
press the TEST RUN button once again, or
press the START/STOP button to stop the
air conditioner.
T ACL Button
U Remote Control Unit Display (Fig. 8)
V Transmit Indicator
W Clock Display
X Operating Mode Display
Y Timer Mode Display
Z Fan Speed Display
[ Temperature Set Display
\ Timer Set Indicator
] Temperature Set Indicator
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PREPARATION
Turn on the Power
In the case of a direct line connection, turn on the circuit
breaker.
Load Batteries (AAA × 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.
Insert batteries.
2
Be sure to align the battery polarities ( ) correctly.
Close the battery compartment lid.
3
Set the Current time
Press the TIME ADJUST button (Fig. 7 S).
1
Use the tip of a ball-point pen or other small object to press the button.
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, immediately wash with copious amounts of water, and consult your physician.
● Dead batteries should be removed quickly
and disposed of properly, either by placing in a public battery collection receptacle, or by returning to appropriate authority.
● Do not attempt to recharge dry batteries.
Never mix new and used batteries, or
batteries of different types.
Batteries should last about one year
under normal use. If the remote control
unit’s operating range becomes appreciably reduced, replace the batteries and
press the ACL button (Fig. 7 T) with
the tip of a ballpoint pen or other small
object.
Use the SET TEMP./SET TIME buttons (Fig. 6 L)
2
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 steps.)
Press the TIME ADJUST button again.
3
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 3) 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
Insert
Press in
Screws
Slide up
Pull out
1 Mount the Holder. 2 Set the Remote Control
Unit.
3 To remove the Remote
Control Unit .
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