AIR CONDITIONER
Ceiling Suspension Type
Indoor Unit
ABTG54LR
OPERATING MANUAL
KEEP THIS MANUAL FOR FUTURE REFERENCE
FUJITSU GENERAL LIMITED
PART NO. 9374379576
2
M
Do not attempt to install this air conditioner by yourself.
M
This unit contains no user-serviceable parts. Always consult authorized service personnel for repairs.
M
When moving, consult authorized service personnel for disconnection and installation of
the air conditioner.
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Do not become excessively chilled by staying for many hours in the direct cooling airflow.
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Do not insert fingers or objects into the outlet port or intake grilles.
M
Do not start and stop air conditioner operation by disconnecting the power supply cable
and so on.
M
Take care not to damage the power supply cable.
M
In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off
the electrical breaker, and consult authorized service personnel.
M
If the power supply cable of this appliance is damaged, it should only be replaced by the authorized service personnel, since special purpose tools and specified cable are required.
M
In the event of the refrigerant leakage, be sure to keep it away from fire or any flammables. (consult an authorized service personnel)
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Provide occasional ventilation during use.
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Do not direct air flow at fireplaces or heating apparatus.
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Do not climb on, or place objects on, the air conditioner.
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Do not hang objects from the indoor unit.
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Do not set flower vases or water containers on top of air conditioners.
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Do not expose the air conditioner directly to water.
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Do not operate the air conditioner with wet hands.
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Do not pull power supply cable.
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Turn off power source when not using the unit for extended periods.
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Always turn off the electrical breaker whenever cleaning the air conditioner or changing
the air filter.
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Connection valves become hot during Heating; handle with care.
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When restarting after a long period of disuse in the winter, turn the power switch on at
least 12 hours before starting the unit.
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Check the condition of the installation stand for damage.
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Do not place animals or plants in the direct path of the air flow.
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Do not drink the water drained from the air conditioner.
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Do not use in applications involving the storage of foods, plants or animals, precision equipment, or art works.
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Do not apply any heavy pressure to radiator fins.
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Operate only with air filters installed.
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Do not block or cover the intake grille and outlet port.
M
Ensure that any electronic equipment is at least 1 m away from either the indoor or
outdoor units.
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Avoid installing the air conditioner near a fireplace or other heating apparatus.
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When installing the indoor and outdoor units, take precautions to prevent access by infants.
M
Do not use inflammable gases near the air conditioner.
CONTENTS
SAFETY PRECAUTIONS ....................................... 2
FEATURES AND FUNCTIONS .............................. 3
NAME OF PARTS .................................................. 4
PREPARATION ...................................................... 6
OPERATION ........................................................... 7
TIMER OPERATION .............................................. 9
SLEEP TIMER OPERATION ................................ 10
MANUAL AUTO OPERATION .............................. 10
ADJUSTING THE DIRECTION OF AIR CIRCULATION
....11
SWING OPERATION ........................................... 12
ECONOMY OPERATION ..................................... 12
10 °C HEAT OPERATION .................................... 13
SELECTING THE REMOTE
CONTROLLER SIGNAL CODE ........................... 13
CLEANING AND CARE ........................................ 14
TROUBLESHOOTING ......................................... 15
OPERATING TIPS ................................................ 16
TEMPERATURE AND HUMIDITY RANGE .......... 17
DANGER
CAUTION
SAFETY PRECAUTIONS
M
Before using the appliance, read these “PRECAUTIONS” thoroughly and operate in the correct way.
M
The instructions in this section all relate to safety; be sure to maintain safe operating conditions.
M
“DANGER”, “WARNING” and “CAUTION” have the following meanings in these instructions:
DANGER
This mark indicates procedures which, if improperly performed, are most likely to
result in the death or serious injury to the user or service personnel.
WARNING
This mark indicates procedures which, if improperly performed, might lead to the
death or serious injury of the user or service personnel.
CAUTION
This mark indicates procedures which, if improperly performed, might possibly result
in personal harm to the user, or damage to property.
3
FEATURES AND FUNCTIONS
O
Energy saving and Comfortable function
INVERTER
At the start of operation, large amount of power is used to
bring the room quickly to the desired temperature. Afterwards,
the unit automatically switches to a low power setting for economic and comfortable operation.
ECONOMY OPERATION
When ECONOMY operation mode is operated, the room temperature will be little higher than the set-temp under cooling mode and
lower than set-temp under heating mode. Therefore, the ECONOMY mode is able to save more energy than other normal mode.
OMNI-DIRECTIONAL AIR FLOW
(SWING OPERATION)
3-dimensional control over air direction swing is possible through
dual use of both an up/down air direction swing and right/left air
direction swing. Since up/down air direction flaps operate automatically according to the operating mode of the unit, it is possible to set air direction based on the operating mode.
SUPER QUIET OPERATION
When the FAN button is used to select QUIET, the indoor unit
begins super quiet operation; the indoor unit’s airflow is reduced to produce quieter operation.
AUTO CHANGEOVER
The operation mode (cooling, dry, heating) is switched automatically to maintain the set temperature, and the temperature
is kept constant at all times.
10 °C HEAT OPERATION
The room temperature can be maintained at 10°C so as to
prevent the room temperature from falling too far.
O
Convenient function
PROGRAM TIMER
The program timer allows you to integrate OFF timer and ON
timer operations in a single sequence. The sequence can involve 1 transition from OFF timer to ON timer, or from ON
timer to OFF timer, within a 24 hour period.
SLEEP TIMER
When the SLEEP timer button is pressed during heating mode,
the air conditioner’s thermostat setting is gradually lowered during the period of operation; during cooling or dry mode, the thermostat setting is gradually raised during the period of operation.
When the set time is reached, the unit automatically turns off.
O
Clean function
REMOVABLE AIR FILTER
The indoor unit’s air filter 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.
O
Remote controller
WIRELESS REMOTE CONTROLLER
The wireless remote controller allows convenient control of air
conditioner operation.
WIRED REMOTE CONTROLLER (OPTION)
The optional wired remote controller can be used.
When you use remote controller, there are following different
points as compared with using wireless remote controller.
[The additional functions for wired ones]
• Weekly timer
• Temperature set back timer
And you can use both wired and wireless remote controller
simultaneously.
(But function is limited)
When the restricted functions on the remote controller are
used, beeping sound will be heard, OPERATION, TIMER and
the 3rd lamp of the indoor unit will flash.
[The restricted functions for wireless ones]
• SLEEP timer
• TIMER (ON timer, OFF timer and program timer)
• 10 °C HEAT operation
SAFETY PRECAUTIONS
M
This appliance is not intended for use by persons (including children) with reduced
physical, sensory or mental capabilities, or lack of experience and knowledge, unless
they have been given supervision or instruction concerning use of the appliance by a
person responsible for their safety.
Children should be supervised to ensure that they do not play with the appliance.
M
If you see lightning or hear thunder, there might be a lightning strike. To prevent electric
shock hazard, turn off the air conditioner by using the remote controller, and do not
touch the unit or the power plug during thunderstorm.
M
Do not place any other electrical products or household belongings under indoor unit or
outdoor unit. Dripping condensation from the unit might get them wet, and may cause
damage or malfunction of your property.
M
Keep clean and tidy around the outdoor unit, and do not place the things around it. If it is
covered with fallen leaves, there could be an infiltration of small animals or insects whose
contact with the internal electrical components leads to the product malfunction.
M
Do not stand on unstable steps when operating or cleaning the air conditioner. It may
overturn and can cause the injury.
CAUTION
4
NAME OF PARTS
1 Operating control panel
2 MANUAL AUTO button
M
When the MANUAL AUTO button is pressed in
for more than 10 seconds, the forced cooling
operation will start.
M
The forced cooling operation is used at the
time of installation.
Only for authorized service personnel’s use.
M
When the forced cooling operation starts by
any chance, press the START/STOP button
to stop the operation.
M
Please press the button at Filter Reset.
3 Remote control signal receiver
4 OPERATION indicator lamp (green)
5 TIMER indicator lamp (orange)
M
TIMER indicator lamp lights when the timer
is set from wireless remote controller.
M
If the TIMER indicator lamp flashes when the
timer is operating, it indicates that a fault has
occurred with the timer setting (see “AUTO
Restart” on page 17).
6 ECONOMY indicator lamp (green)
ECONOMY indicator lamp lights in the
following operations:
ECONOMY operation•
10 • °C HEAT operation (controlled by wireless
remote controller)
7 Intake grille
8 Up/down air direction flaps
9 Right/left air direction louvers
(behind up/down air direction flaps)
Indoor unit
5
NAME OF PARTS
Display panel
To facilitate explanation, the accompanying illustration has
been drawn to show all possible indicators; in actual operation, however, the display will only show those indicators
appropriate to the current operation.
1
MODE button
2
10 °C HEAT button
3
SET TEMP. button (
/
)
4
ECONOMY button
5
SLEEP button
6
FAN button
7
START/STOP button
8
SET button (Vertical)
9
SET button (Horizontal)
0
SWING button
A
TIMER MODE button
B
TIMER SET (
/ ) button
C
CLOCK ADJUST button
D
RESET button
E
TEST RUN button
M
This button is used when installing the
conditioner, and should not be used under
normal conditions, as it will cause the air
conditioner’s thermostat function to operate
incorrectly.
M
If this button is pressed during normal operation, the unit will switch to test run mode,
and the indoor unit’s OPERATION indicator
lamp and TIMER indicator lamp will begin to
flash simultaneously.
M
To stop the test run, press the START/STOP
button to stop the air conditioner.
F
Signal transmitter
G
Temperature SET indicator
H
Operating mode indicator
I
SLEEP indicator
J
Transmit indicator
K
Fan speed indicator
L
SWING indicator
M
T imer mode indicator
N
Clock indicator
Some indoor units may not be equipped with the functions
corresponding to all of the buttons on this remote controller. The indoor unit will beep and the OPERATION, TIMER
and ECONOMY lamp flash when a remote controller button is pressed if the function is not available.
Remote controller
Display panel
6
PREPARATION
CAUTION
M
Take care to prevent infants from acciden-
tally swallowing batteries.
M
When not using the remote controller for an
extended period, remove the batteries to
avoid possible leakage and damage to the
unit.
M
If leaking battery fluid comes in contact
with your skin, eyes, or mouth, immediately wash with copious amounts of
water, and consult your physician.
M
Dead batteries should be removed imme-
diately and disposed of properly, either in a
battery collection receptacle or to the appropriate authority.
M
Do not attem pt to recharge dry batteries.
Never mix new and used batteries, or batteries of different types.
Batteries should last about 1 year under
normal use. If the operating range of the
remote controller becomes appreciably
reduced, replace the batteries and press
the RESET button with the tip of a ballpoint pen or other small object.
Turn on the Power
1
Turn on the circuit breaker.
Load Batteries (AAA/R03/LR03 × 2)
1
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 mark.
2
Insert batteries.
Be sure to align the battery polarities ( ) correctly.
3
Close the battery compartment lid.
Set the Current Time
1
Press the CLOCK ADJUST button.
Use the tip of a ball-point pen or other small object to press the button.
2
Use the TIMER SET ( / ) buttons to adjust the
clock to the current time.
button: Press to advance the time.
button: Press to reverse the time.
(Each time the buttons are pressed, the time will be advanced/reversed in
1-minute increments; hold the buttons depressed to change the time quickly
in 10-minute increments.)
3
Press the CLOCK ADJUST button again.
This completes the time setting and starts the clock.
To Use the Remote Controller
M
The remote controller must be pointed at signal receiver to operate correctly.
M
Operating range: About 7 meters.
M
When a signal is properly received by the air conditioner, a beeping sound will be
heard.
M
If no beep is heard, press the button of the remote controller again.
Remote Controller Holder
3
To remove the remote controller.
(when use at hand).
1
Mount the holder.2 Set the remote controller.
Screws
Insert
Press in
Slide up
Pull out
7
To Select Mode Operation
1
Press the START/STOP button.
The indoor unit’s OPERATION indicator lamp (green) will light.
The air conditioner will start operating.
2
Press the MODE button to select the desired mode.
Each time the button is pressed, the mode will change in the following order.
AUTO COOL DRY
HEAT FAN
About 3 seconds later, the entire display will reappear.
To Set the Room Temperature
Press the SET TEMP. button.
button: Press to raise the thermostat setting.
button: Press to lower the thermostat setting.
M
Thermostat setting range:
AUTO ....................................18-30 °C
Heating ..................................16-30 °C
Cooling/Dry ...........................18-30 °C
The thermostat cannot be used to set room temperature during the FAN mode (the temperature will not appear on the remote controller display.)
About 3 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 button.
Each time the button is pressed, the fan speed changes in the following order:
AUTO HIGH MED LOW QUIET
About 3 seconds later, the entire display will reappear.
When set to AUTO:
Heating: Fan operates so as to optimally circulate warmed air.
However, the fan will operate at very low speed when the temperature of
the air issued from the indoor unit is low.
Cooling: As the room temperature approaches that of the thermostat setting, the fan
speed becomes slower.
Fan: The fan runs at the low fan speed.
The fan will operate at a very low setting during monitor operation and at the start of the
heating mode.
SUPER QUIET Operation
When set to QUIET:
SUPER QUIET operation begins. The indoor unit’s airflow will be reduced for quieter
operation.
M
SUPER QUIET operation cannot be used during dry mode. (The same is true when
dry mode is selected during AUTO mode operation.)
M
During QUIET operation, heating and cooling performance will be reduced somewhat.
If the room does not warm up/cool down when using QUIET operation, please adjust
the air conditioner’s fan speed.
OPERATION
T
T
T
T
T
T
T
T
T
T
Example: When set to COOL.
Example: When set to 26 °C.
Example: When set to AUTO.
8
OPERATION
To Stop Operation
Press the START/STOP button.
The OPERATION indicator lamp (green) will go out.
Mode Operation
AUTO (in COOLING model):
M
When AUTO (automatic changeover) operation first selected, the fan will operate at very low speed for about a few
minutes, during which time the indoor unit detects the room conditions and selects the proper mode.
Room temperature is higher than the defined temperature in temperature
setting → Cooling mode or dry mode
Room temperature is close to or lower than the defined temperature in
temperature setting → Monitor operation
M
When the indoor unit has adjusted your room’s temperature to near the temperature setting, it will begin monitor
operation. In the monitor operation mode, the fan will operate at low speed. If the room temperature subsequently
changes, the indoor unit will once again select the appropriate operation (cooling) to adjust the temperature to the value
set in the temperature setting.
M
If the mode automatically selected by the unit is not what you wish, select one of the mode operation (COOL, DRY, FAN).
AUTO [in HEAT & COOL (Reverse Cycle) model]:
M
When AUTO (automatic changeover) is selected, the air conditioner selects the appropriate operation mode (cooling or
heating) according to your room’s present temperature.
M
When AUTO operation first selected, the fan will operate at low speed for about a few minute, during which time the
indoor unit detects the room conditions and selects the proper operation mode.
Room temperature is higher than the defined temperature in temperature
setting → Cooling mode or dry mode
Room temperature is close to the defined temperature in temperature
setting → Determined by outdoor temperature
Room temperature is lower than the defined temperature in temperature
setting → Heating mode
M
When the air conditioner has adjusted your room’s temperature to near the thermostat setting, it will begin
monitor operation. In the monitor operation mode, the fan will operate at low speed. If the room temperature
subsequently changes, the air conditioner will once again select the appropriate operation (heating, cooling) to adjust
the temperature to the value set in the thermostat.
M
If the mode automatically selected by the unit is not what you wish, select one of the mode operation (HEAT, COOL,
DRY, FAN).
Cooling or Dry
Defined
temperature in
temperature
setting
Heating
Determined by
outdoor temperature
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
During heating mode:
Set the thermostat to a temperature setting that is higher than the current room
temperature. The heating mode will not
operate if the thermostat is set lower than
the actual room temperature.
During cooling/dry mode:
Set the thermostat to a temperature setting
that is lower than the current room temperature. The cooling and dry modes will
not operate if the thermostat is set higher
than the actual room temperature (in cooling mode, the fan alone will operate).
During fan mode:
You cannot use the unit to heat and cool
your room.
HEAT*: M Use to warm your room.
M
When heating mode is selected, the air conditioner will operate at very
low fan speed for about 3 to 5 minutes, after which it will switch to the selected fan setting. This period of time is provided to allow the indoor unit
to warm up before beginning full operation.
M
When the room temperature is very low, frost may form on the outside
unit, and its performance may be reduced. In order to remove such frost,
the unit will automatically enter the defrost cycle from time to time. During
automatic defrosting operation, the OPERATION indicator lamp will flash,
and the heat operation will be interrupted.
M
After the start of heating operation, it takes some time before the room gets warmer.
COOL: M Use to cool your room.
DRY:
M
Use for gently cooling while dehumidifying your room.
M
You cannot heat the room during dry mode.
M
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.
M
The fan speed cannot be changed manually when dry mode has been selected.
FAN:
M
Use to circulate the air throughout your room.
Defined
temperature in
temperature
setting
Monitor operation
Cooling mode
or Dry mode
9
TIMER OPERATION
To Cancel the Timer
Use the TIMER MODE button to select
“CANCEL”.
The air conditioner will return to normal
operation.
To Change the Timer Settings
Perform steps 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, QUIET
mode), after making the timer setting wait until
the entire display reappears, then press the
appropriate buttons to change the operating
condition desired.
To Cancel the Timer
Use the TIMER MODE button to select
“CANCEL”.
The air conditioner will return to normal
operation.
To Change the Timer Settings
1.
Follow the instructions given in the section “To Use the ON Timer or OFF Timer” to
select the timer setting you wish to change.
2. Press the TIMER MODE button to select
either OFF
ON or OFF ON.
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, QUIET
mode), after making the timer setting wait until
the entire display reappears, then press the
appropriate buttons to change the operating
condition desired.
To Use the ON Timer or OFF Timer
1
Press the START/STOP button
(if the unit is already operating, proceed to step 2).
The indoor unit’s OPERATION indicator lamp (green) will light.
2
Press the TIMER MODE button to select the OFF timer
or ON timer operation.
Each time the button is pressed the timer function changes in the following
order:
CANCEL OFF
ON
PROGRAM (OFF
→
ON, OFF ← ON)
The indoor unit’s TIMER indicator lamp (orange) will light.
3
Use the TIMER SET buttons to adjust the desired OFF
time or ON time.
Set the time while the time indicator is flashing (the flashing will continue for
about 5 seconds).
button: Press to advance the time.
button: Press to reverse the time.
About 5 seconds later, the entire display will reappear.
To Use the Program Timer
1
Press the START/STOP button
(if the unit is already operating, proceed to step 2).
The indoor unit’s OPERATION indicator lamp (green) will light.
2
Set the desired times for OFF timer and ON timer.
See the section “To Use the ON Timer or OFF Timer” to set the desired mode
and times.
About 3 seconds later, the entire display will reappear.
The indoor unit’s TIMER indicator lamp (orange) will light.
3
Press the TIMER MODE button to select the PROGRAM
timer operation (OFF
ON or OFF ON will display).
The display will alternately show “OFF timer” and “ON timer”, then change to
show the time setting for the operation to occur first.
M
The program timer will begin operation. (If the ON timer has been selected
to operate first, the unit will stop operating at this point.)
About 5 seconds later, the entire display will reappear.
About the Program Timer
M
The program timer allows you to integrate OFF timer and ON timer operations in a
single sequence. The sequence can involve 1 transition from OFF timer to ON timer,
or from ON timer to OFF timer, within a 24 hour period.
M
The first timer function to operate will be the 1 set nearest to the current time.
The order of operation is indicated by the arrow in the remote controller display
(OFF → ON or OFF ← ON).
M
An example of program timer use might be to have the air conditioner automatically
stop (OFF timer) after you go to sleep, then start (ON timer) automatically in the
morning before you arise.
Before using the timer function, be sure that the remote controller is set to the correct current time ( Page 6).
If the indoor unit is connected to a wired remote controller, the wireless remote controller cannot be used to set the timer.
T
T
T
T
10
Unlike other timer functions, the SLEEP timer is used to set the length of time until air conditioner operate is stopped.
If the indoor unit is connected to a wired remote controller, the wireless remote controller cannot be used to set the sleep timer.
To Use the SLEEP Timer
While the air conditioner is operating or stopped, press the
SLEEP button.
The indoor unit’s OPERATION indicator lamp (green) lights and the TIMER indicator
lamp (orange) light.
To Change the Timer Settings
Press the SLEEP button once again and set the time using
the TIMER SET (
/ ) buttons.
button: Press to advance the time.
button: Press to reverse the time.
About 5 seconds later, the entire display will reappear.
To Cancel the Timer
Use the TIMER MODE button to select
“CANCEL”.
The air conditioner will return to normal
operation.
To Stop the Air Conditioner During Timer Operation
Press the START/STOP button.
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.
SLEEP TIMER OPERATION
Set time
1 hour
1 °C
2 °C
2 °C
3 °C
4 °C
30
minutes
1 °C
1 hour
1 hour
30 minutes
Set time
During cooling/dry operation:
When the SLEEP timer is set, the thermostat setting is automatically raised 1 °C every 1 hour. When the thermostat has
been raised a total of 2 °C, the thermostat setting at that time is
maintained until the set time has elapsed, at which time the air
conditioner automatically turns off.
SLEEP timer setting
During heating operation:
When the SLEEP timer is set, the thermostat setting is
automatically lowered 1 °C every 30 minutes. When the thermostat has been lowered a total of 4 °C, the thermostat setting at
that time is maintained until the set time has elapsed, at which
time the air conditioner automatically turns off.
SLEEP timer setting
How To Control the Indoor Unit without Remote Controller
Press the MANUAL AUTO button more than 3 seconds and
less than 10 seconds on the indoor unit.
To stop operation, press the MANUAL AUTO button once again.
MANUAL AUTO OPERATION
Perform the MANUAL AUTO operation if you have lost the remote controller or encounter remote control malfunction.
M
When the air conditioner is operated
with the controls on the indoor unit, it will
perform same mode as the AUTO mode
selected on the remote controller.
M
The fan speed will be set to “AUTO”
and the thermostat setting will be at the
standard value. (24
°C
)
11
ADJUSTING THE DIRECTION OF AIR CIRCULATION
DANGER
Never place fingers or foreign objects inside the
outlet ports, since the internal fan operates at
high speed and could cause personal injury.
M Attempting to move up/down air direction
flaps or right/left air direction louvers manually could result in improper operation; in
this case, stop operation and restart. The
louvers should begin to operate properly
again.
M During use of the cooling and dry modes,
do not set the up/down air direction flaps
in the heating range (4 to 5) for long
periods of time, since water vapor may
condense near the outlet louvers and
drops of water may drip from the air conditioner. During the cooling and dry modes,
if the airflow direction louvers are left in
the heating range for more than 30 minutes, they will automatically return to
position 3.
M When used in a room with infants,
children, elderly or sick persons, the air
direction and room temperature should
be considered carefully when making
settings.
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
M Adjust the up, down, left and right air directions with the air direction buttons on the remote controller.
M Use the air direction buttons after the indoor unit has started operating and the airflow-direction louvers have stopped moving.
Vertical Air Direction Adjustment
Press the SET button (Vertical).
Each time the button is pressed, the air direction range will change as follows:
1
2 3 4 5
Types of Airflow Direction Setting:
1, 2, 3 : During cooling/dry modes
1, 2, 3, 4, 5 : During heating mode*
The remote controller display does
not change.
M Use the air direction adjustments within the ranges shown above.
M The vertical airflow direction is set automatically as shown, in accordance with the type
of operation selected.
Horizontal flow 1 : During cooling/dry mode
Downward flow 5 : During heating mode*
M During AUTO mode operation, for the first minute after beginning operation, airflow will
be horizontal 1; the air direction cannot be adjusted during this period.
Horizontal Air Direction Adjustment
Press the SET button (Horizontal).
Each time the button is pressed, the air direction range will change as follows:
1
2 3 4 5
The remote controller display does
not change.
M Use the air direction adjustments within the ranges shown above.
1
2
3
4
5
1
2
3
4
5
Right/left air direction louvers
12
SWING OPERATION
Begin air conditioner operation before performing this procedure.
Up/down swing operation Left/right swing operation
Swing operation stops Up/down/left/right swing operation
To select SWING Operation
Press the SWING button.
Each time the SWING button is pressed, the swing operation will change in the following
order.
To stop SWING Operation
Press the SWING button and select STOP.
Airflow direction will return to the setting before swing was begun.
About SWING Operation
The type of operation
Cooling/Dry
Heating
Fan
Range of swing
1 to 5 (All range)
1 to 5 (All range)
1 to 5 (All range)
The SWING operation may stop temporarily when the air conditioner’s
fan is not operating, or when operating at very low speeds.
M To select left/right swing operation
The type of operation
Cooling/Dry
Heating
Fan
Range of swing
1 to 4
3 to 5
1 to 5
The SWING operation may stop temporarily when the air conditioner’s
fan is not operating, or when operating at very low speeds.
M To select up/down swing operation
ECONOMY OPERATION
Begin air conditioner operation before performing this procedure.
To Use the ECONOMY Operation
Press the ECONOMY button.
The ECONOMY indicator lamp (green) will light.
ECONOMY operation begins.
To Stop the ECONOMY Operation
Press the ECONOMY button again.
The ECONOMY indicator lamp (green) will go out.
Normal operation begins.
About ECONOMY Operation
At the maximum output, ECONOMY operation is approximately 70% of normal air conditioner operation for cooling and heating.
M
If the room is not cooled (or heated) well during ECONOMY operation, select normal operation.
M
During the monitor period in the AUTO mode, the air conditioner operation will not change to ECONOMY operation even if ECONOMY operation is selected by pressing the ECONOMY operation button.
M
When ECONOMY operation mode is operated, the room temperature will be little higher than the set-temp under cooling mode
and lower than set-temp under heating mode. Therefore, the ECONOMY mode is able to save more energy than other normal
mode.
13
10 °C HEAT OPERATION
To use 10 °C HEAT Operation
Press the 10 °C HEAT button.
The OPERATION indicator lamp (green) will go out, and the ECONOMY indicator lamp
(green) will light.
To stop 10 °C HEAT Operation
Press the START/STOP button.
Then the OPERATION stops and the ECONOMY indicator lamp (green) will go out.
While 10 °C HEAT operation is in
progress, only the following
operation can be used.
•
SWING
SELECTING THE REMOTE CONTROLLER SIGNAL CODE
When two or more air conditioners are installed in a room and the remote controller is operating an air conditioner other than the
one you wish to set, change the signal code of the remote controller to operate only the air conditioner you wish to set (4 selections
possible).
When two or more air conditioners are installed in a room, please contact your retailer to set the individual air conditioner signal
codes.
Selecting the Remote Controller Signal Code
M
If no buttons are pressed within 30 seconds after the signal code is displayed, the system returns to the original clock display.
In this case, start again from step 1.
M
The air conditioner signal code is set to “A” prior to shipment. Contact your retailer to change the signal code.
M
The remote controller resets to signal code “A” when the batteries in the remote controller are replaced. If you use a signal
code other than signal code “A”, reset the signal code after replacing the batteries.
If you do not know the air conditioner signal code setting, try each of the signal codes (
) until you find the code
which operates the air conditioner.
Use the following steps to select the signal code of the remote controller. (Note that the
air conditioner cannot receive a signal code if the air conditioner has not been set for
the signal code.)
1
Press the START/STOP button until only the clock is
displayed on the remote controller display.
2
Press the MODE button for at least five seconds to
display the current signal code (initially set to
).
3
Press the
(
/
)
buttons to change the signal code
between
. Match the code on the display to
the air conditioner signal code.
4
Press the MODE button again to return to the clock
display. The signal code will be changed.
About the 10 °C HEAT Operation
• The heating mode will not operate if the room temperature is high enough.
• The room temperature can be maintained at 10 °C by pressing the 10 °C HEAT button so as to prevent the room temperature from
falling too far.
14
M Before cleaning the air conditioner, be sure to turn it off and disconnect the power supply.
M Turn off the electrical breaker.
CLEANING AND CARE
CAUTION
3. Re-attach the air filters to the intake
grille.
The air filters fit onto the inside of the intake grille.
M Dust can be cleaned from the air filter either with a
vacuum cleaner, or by washing the filter in a solution of
mild detergent and warm water. If you wash the filter, be
sure to allow it to dry thoroughly in a shady place before
reinstalling.
M If dirt is allowed to accumulate on the air filter, air flow will
be reduced, lowering operating efficiency and increasing noise.
Cleaning the Air Filter
1. Pull the air filters upward to remove them.
Remove the air filters by raising its handle while pulling it out
towards you.
2. Clean the air filters.
Remove the dust from the air filters by vacuuming or washing
them. After washing, allow the air filters to dry thoroughly in
an area protected from sunlight.
Air filter
Filter Reset (ECONOMY indicator lamp flashing/The special setting)
MCan be used if set correctly during installation.
Please consult authorized serviceman when using this function.
• It lights on when it is time to clean the air filters.
After turning the power on, press the MANUAL AUTO button for 2 seconds or less on the indoor unit.
M 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.
M When cleaning the unit’s body, do not use water hotter than 40 °C, harsh abrasive cleansers, or volatile agents like benzene or
thinner.
M Do not expose the unit body to liquid insecticides or hairsprays.
M If the unit will not be operated for a period of one month or more, be sure to allow the inner parts of the unit to dry thoroughly, in
advance, by operating the unit in fan mode for half a day.
15
TROUBLESHOOTING
In the event of a malfunction (burning smell, etc.), immediately stop operation, disconnect the power
supply plug or turn off the circuit breaker, and consult authorized service personnel.
Merely turning off the unit’s power switch will not completely disconnect the unit from the power
source. Always be sure to 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:
WARNING
Symptom Problem
See page
NORMAL
FUNCTION
Does not operate immediately:
M
If the unit is stopped and then immediately started again, the
compressor will not operate for about 3 minutes, in order to
prevent fuse blowouts.
M
Whenever the power supply plug is disconnected and then
reconnected to a power outlet, the protection circuit will operate for about 3 minutes, preventing unit operation during that
period.
—
Noise is heard:
M
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).
M
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.
—
M
During heating operation, a sizzling sound may be heard
occasionally. This sound is produced by the automatic
defrosting operation.
16
Smells:
M
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:
M
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.
—
M
During heating operation, the outdoor unit’s fan may stop,
and steam may be seen rising from the unit. This is due to the
automatic defrosting operation.
16
Airflow is weak or stops:
M
When heating operation is started, fan speed is temporarily
very low, to allow internal parts to warm up.
M
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 to a higher setting.
—
M
During heating operation, the unit will temporarily stop
operation (Max. 15 minutes) as the automatic defrosting
mode operates. During the automatic defrosting operation,
the OPERATION indicator lamp will flash.
16
M
The fan may operate at very low speed during dry operation
or when the unit is monitoring the room’s temperature.
—
M
During SUPER QUIET operation, the fan will operate at very
low speed.
—
M
In the monitor AUTO operation, the fan will operate at very
low speed.
—
Water is produced from the
outdoor unit:
M
During heating operation, water may be produced from the
outdoor unit due to the automatic defrosting operation.
16
The ECONOMY indicator
lamp flashing:
M
Clean the filter. Afterwards, turn the ECONOMY indicator
lamp off.
14
*
*
*
*
*
*
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
16
Symptom Problem
See page
CHECK ONCE
MORE
Does not operate at all:
M
Has the circuit breaker been turned off?
M
Has there been a power failure?
M
Has a fuse blown out, or a circuit breaker been tripped?
—
M
Is the timer operating? 9 to 10
Poor cooling (or heating*)
performance:
M
Is the air filter dirty?
M
Are the air conditioner’s intake grille or outlet port blocked?
M
Did you adjust the room temperature settings (thermostat)
correctly?
M
Is there a window or door open?
M
In the case of cooling operation, is a window allowing bright
sunlight to enter? (close the curtains.)
M
In the case of cooling operation, are there heating apparatus
and computers inside the room, or are there too many people
in the room?
—
M
Is the unit set for QUIET operation? —
The unit operates differently from the remote
controller setting:
M
Are the remote controller batteries dead?
M
Are the remote controller batteries loaded properly? 6
TROUBLESHOOTING
If the problem persists after performing these checks, or if you notice burning smells, or the OPERATION indicator lamp and the
TIMER indicator lamp flashes, and ECONOMY indicator lamp flashes fast. Immediately stop operation, turn off the electrical breaker
and consult authorized service personnel.
Microcomputer-controlled Automatic Defrosting*
M When using the heating mode under conditions of low outdoor
temperature and high humidity, frost may form on the outdoor
unit, resulting in reduced operating performance.
In order to prevent this kind of reduced performance, this unit is
equipped with a microcomputer-controlled automatic defrosting function. If frost forms, the air conditioner will temporarily
stop, and the defrosting circuit will operate briefly (for about
4 to 15 minutes).
During automatic defrosting operation, the OPERATION
indicator lamp (green) will flash.
Low Ambient Cooling*
M When the outdoor temperature drops, the outdoor unit’s fans
may switch to low speed.
Hot Start (for heating)*
M The indoor unit prevents cold drafts when heating operation
begins.
The indoor unit fan will not operate or it will operate at a very
low speed until the heat exchanger reaches the set temperature.
Heating Performance*
M This air conditioner operates on the heat-pump principle,
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.
M Heat-pump air conditioners heat your entire room by recircu-
lating air throughout the room, with the result that some time
may be required after first starting the air conditioner until the
room is heated.
When Indoor and Outdoor Temperature are High
*
M When both indoor and outdoor temperatures are high during
use of the heating mode, the outdoor unit’s fan may stop at
times.
OPERATING TIPS
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
**Dual Remote Controllers (optional)
An additional remote controller can be added up to the maximum of 2 remote controllers. Either remote controller can control the air
conditioner. However, the timer functions cannot be used at the secondary unit.
**Group Control
1 remote controller can control up to 16 air conditioners. All of the air conditioners will be operated with the same settings.
The wired remote controller option is required to use the following functions (**).
17
OPERATING TIPS
M Should the power supply to the air conditioner be interrupted
by a power failure, the air conditioner will restart automatically
in the previously selected mode once the power is restored.
M Should a power failure occur during TIMER operation, the
timer will be reset and the unit will begin (or stop) operating
under the new timer setting. In this event, the TIMER Indicator
Lamp (orange) will flash.
M 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 controller to resume operation.
AUTO Restart
In Event of Power Interruption
M During use of the heating mode, the top of the indoor unit
may become warm, but this is due to the fact that coolant is
circulated through the indoor unit even when it is stopped; it
is not a malfunction.
Notices
M During use of the heating mode, the outdoor unit will occa-
sionally commence the defrost operation for brief periods.
During the defrosting operation, if the user sets the indoor
unit for heating again, the defrosting mode will continue, and
the heating operation will begin after completion of defrosting,
with the result that some time may be required before warm
air is emitted.
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
**
TEMPERATURE AND HUMIDITY RANGE
For the permissible ranges of temperature and humidity, refer to the installation manual.
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