AIR CONDITIONER
OPERATING MANUAL
Compact Cassette Type
Keep this manual for future reference
English
P/N9374379477-03
OPERATING MANUAL
AIR CONDITIONER/INDOOR UNIT/Compact Cassette Type
CONTENTS
SAFETY PRECAUTIONS ........................................ 1
FEATURES AND FUNCTIONS ............................... 2
NAME OF PARTS ................................................... 2
PREPARATION ....................................................... 4
OPERATION ............................................................ 5
TIMER OPERATION ............................................... 7
SLEEP TIMER OPERATION ................................... 8
MANUAL AUTO OPERATION ................................. 8
ADJUSTING THE DIRECTION OF AIR CIRCULATION
.... 9
SWING OPERATION .............................................. 9
ECONOMY OPERATION ...................................... 10
10°C HEAT OPERATION ...................................... 10
CLEANING AND CARE ..........................................11
SELECTING THE REMOTE CONTROLLER
SIGNAL CODE ...................................................... 12
TROUBLESHOOTING .......................................... 13
OPERATING TIPS ................................................. 15
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 safe 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 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 or service personnel.
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 installa-
●
tion of the air conditioner.
Do not become excessively chilled by staying for many hours in the direct cooling airfl ow.
●
Do not insert fi ngers or objects into the outlet port or intake grilles.
●
Do not start and stop air conditioner operation by turning off the electrical breaker.
●
Take care not to damage the power supply cord.
●
In the event of a malfunction (burning smell, etc.), immediately stop operation, turn
●
off the electrical breaker, 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 specifi ed cord are required.
In the event of refrigerant leakage, be sure to keep away from fi re or any fl ammables.
●
(consult an authorized service personnel)
P/N 9374379477-02
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CAUTION!
Provide occasional ventilation during use.
●
Do not direct air fl ow at fi replaces 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 fl ower 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.
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Always turn off the electrical breaker whenever cleaning the air conditioner or
●
changing the air fi lter.
Connection valves become hot during Heating; handle with care.
●
Check the condition of the installation stand for damage.
●
Do not place animals or plants in the direct path of the air fl ow.
●
When restarting after a long period of disuse in the winter, turn the power switch on
●
at least 12 hours before starting the unit.
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.
Do not apply any heavy pressure to radiator fi ns.
●
Operate only with air fi lters installed.
●
Do not block or cover the intake grille and outlet port.
●
Ensure that any electronic equipment is at least 1 m away from either the indoor or
●
outdoor units.
Avoid installing the air conditioner near a fi replace or other heating apparatus.
●
When installing the indoor and outdoor units, take precautions to prevent access by infants.
●
Do not use infl ammable gases near the air conditioner.
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This appliance is not intended for use by persons (including children) with reduced
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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.
FEATURES AND FUNCTIONS
Energy saving and Comfortable function
■
SLEEP TIMER
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.
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.
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.
SWING OPERATION
The Airfl ow Direction Louvers swings automatically up and down
so that the air speeds to every nook and corner of your room.
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.
■
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.
■
WIRELESS REMOTE CONTROLLER
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.
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.
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 fl ash.
[The restricted functions for wireless ones]
• SLEEP TIMER
• TIMER
• 10°C HEAT OPERATION
NAME OF PARTS
Clean function
Remote controller
Air Filter (In Air Intake Grille)
1
Airfl ow Direction Flaps
2
Air Intake Grille
3
Control Panel
4
Remote Control Signal Receiver
5
MANUAL AUTO Button
6
When the MANUAL AUTO button is pressed in for more than
●
10 seconds, the forced cooling operation will start.
The forced cooling operation is used at the time of installation.
●
Only for authorized service personnel’s use.
When the forced cooling operation starts by any chance, press
●
the START/STOP button to stop the operation.
Please press the button at Filter Reset.
●
OPERATION Indicator Lamp (Green)
7
TIMER Indicator Lamp (Orange)
8
TIMER Indicator lamp lights when the timer is set from wireless remote control.
●
ECONOMY Indicator Lamp (Green)
9
ECONOMY indicator lamp lights when ECONOMY OPERATION
●
and 10°C HEAT OPERATION is operating.
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NAME OF PARTS
Remote controller
Display
MODE button
1
10°C HEAT button
2
SET TEMP. button (
3
ECONOMY button
4
SLEEP button
5
FAN button
6
START/STOP button
7
SET button
8
SWING button
9
TIMER MODE button
0
TIMER SET (
A
CLOCK ADJUST button
B
RESET button
C
TEST RUN button
D
Signal Transmitter
E
This button is used when installing the condi-
●
tioner, 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 opera-
●
tion, the unit will switch to test operation mode,
and the Indoor Unit’s OPERATION Indicator
Lamp and TIMER Indicator Lamp will begin to
fl ash simultaneously.
To stop the test operation mode, press the
●
START/STOP button to stop the air conditioner.
/
/ ) button
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.
Temperature SET Display
F
Operating Mode Display
G
SLEEP Display
H
Transmit Indicator
I
Fan Speed Display
J
SWING Display
K
Timer Mode Display
L
Clock Display
M
)
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 fl ash when a remote controller but-
ton is pressed if the function is not available.
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PREPARATION
Load Batteries (Size AAA R03/LR03 × 2) *
Press and slide the battery compartment lid on the
1
reverse side to open it.
Slide in the direction of the arrow while pressing the mark.
* Batteries are not included with this product.
Insert batteries.
2
Be sure to align the battery polarities ( ) correctly.
Close the battery compartment lid.
3
Set the Current time
Press the CLOCK ADJUST button.
1
Use the tip of a ball-point pen or other small object to press the button.
Use the TIMER SET ( / ) buttons to adjust the
2
clock to the current time.
button:
button:
Press to advance the time.
Press to reverse the time.
CAUTION!
Take care to prevent infants from acciden-
●
tally swallowing batteries.
When not using the Remote controller for
●
an extended period, remove the batteries to
avoid possible leakage and damage to the
unit.
If leaking battery fl uid 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 imme-
●
diately and disposed of properly, either in a
battery collection receptacle or to the appropriate authority.
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 Remote Controller’s
operating range becomes appreciably reduced, replace the batteries and press the
RESET button with the tip of a ballpoint
pen or other small object.
(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.)
Press the CLOCK ADJUST button again.
3
This completes the time setting and starts the clock.
To Use the Remote controller
The Remote controller must be pointed at signal receiver to operate correctly.
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Operating Range: About 7 meters.
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When a signal is properly received by the air conditioner, a beeping sound will be
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heard.
If no beep is heard, press the Remote controller button again.
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Remote controller Holder
Screws
Mount the
1
Holder.
Insert
Press in
Set the Remote con-
2
troller
Slide up
Pull out
To remove the Remote con-
3
troller (when use at hand).
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OPERATION
To Select Mode Operation
Press the START/STOP button.
1
The indoor unit’s OPERATION Indicator Lamp will light.
The air conditioner will start operating.
Press the MODE button to select the desired mode.
2
Each time the button is pressed, the mode will change in the following order.
About 3 seconds later, the entire display will reappear.
▲
AUTO COOL DRY
HEAT FAN
▲
▼
▲
▼
To Set the Room temperature
Press the SET TEMP. button.
button:
button:
Thermostat setting range:
●
AUTO ....................................18-30 °C
Cooling/Dry ...........................18-30 °C
Heating ..................................16-30 °C
The thermostat cannot be used to set room temperature during the FAN mode (the temperature will not appear on the Remote Controller’s 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.
Press to raise the thermostat setting.
Press to lower the thermostat setting.
To Set the Fan Speed
Press the FAN button.
Each time the button is pressed, the fan speed changes in the following order:
About 3 seconds later, the entire display will reappear.
When set to AUTO:
Heating :
However, the fan will operate at very low speed when the temperature of
Cooling :
Fan :
The fan will operate at a very low setting during Monitor operation and at the
start of the Heating mode.
▲
AUTO HIGH MED LOW QUIET
Fan operates so as to optimally circulate warmed air.
the air issued from the indoor unit is low.
As the room temperature approaches that of the thermostat setting, the
fan speed becomes slower.
The fan runs at the low fan speed.
▲
▲
▲
▲
Example:
Example: When set to 26 °C.
Example:
When set to COOL.
When set to AUTO.
SUPER QUIET Operation
When set to Quiet:
SUPER QUIET operation begins. The indoor unit’s airfl ow will be reduced for 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. If the room does not warm up/ cool down when using SUPER QUIET Operation, please adjust the indoor unit’s Fan Speed.
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OPERATION
To Stop Operation
Press the START/STOP button.
The OPERATION Indicator Lamp will go out.
About AUTO CHANGEOVER Operation
AUTO:
● When AUTO CHANGEOVER is selected, the air conditioner selects the
appropriate operation mode (Cooling or Heating) according to your room’s
present temperature.
When AUTO CHANGEOVER operation fi rst 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.
If the difference between thermostat setting and actual room temperature
If the difference between thermostat setting and actual room temperature
→
If the difference between thermostat setting and actual room temperature
→
●
is more than +2 °C
Cooling operation
→
is within ±2 °C
Determined by outdoor temperature
is more than –2 °C
Heating operation
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.
If the mode automatically selected by the unit is not what you wish, select
one of the mode operation (HEAT, COOL, DRY, FAN).
About Mode Operation
Heating:
●
Cooling:
Dry:
Fan:
● Use to warm your room.
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.
When the outdoor 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
fl ash, and the heat operation will be interrupted.
After the start of heating operation, it takes some time before the room
gets warmer.
● Use to cool your room.
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 adjusting room humidity.
The fan speed cannot be changed manually when Dry mode has been
●
selected.
Use to circulate the air throughout your room.
●
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 can not use the unit to heat and cool
your room.
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TIMER OPERATION
Before using the timer function, be sure that the Remote controller is set to the correct current time (☞ P. 4).
If the indoor unit is connected to a wired remote controller, the wireless remote controller cannot be used to set the timer.
To Use the ON timer or OFF timer
Press the START/STOP button.
1
(if the unit is already operating, proceed to step 2).
The indoor unit’s OPERATION Indicator Lamp will light.
Press the TIMER MODE button to select the OFF tim-
2
er or ON timer operation.
Each time the button is pressed the timer function changes in the following
order:
▲
The indoor unit’s orange TIMER Indicator Lamp will light.
Use the TIMER SET buttons to adjust the desired OFF
3
time or ON time.
Set the time while the time display is fl ashing (the fl ashing will continue for
about 5 seconds).
button:
button:
About 5 seconds later, the entire display will reappear.
Press to advance the time.
Press to reverse the time.
CANCEL OFF ON
PROGRAM (OFF
▲
ON, OFF ← ON)
→
▲
▼
To Use the Program timer
To Cancel the Timer
Use the TIMER 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.
Press the START/STOP button.
1
(if the unit is already operating, proceed to step 2).
The indoor unit’s OPERATION Indicator Lamp will light.
Set the desired times for OFF timer and ON timer.
2
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 will light.
Press the TIMER MODE button to select the PROGRAM
3
timer operation (OFF
The display will alternately show “OFF timer” and “ON timer”, then change to
show the time setting for the operation to occur fi rst.
●
The program timer will begin operation. (If the ON timer has been selected
to operate fi rst, the unit will stop operating at this point.)
About 5 seconds later, the entire display will reappear.
About the 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.
●
The fi rst 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’s Display
(OFF → ON, or OFF ← ON).
●
1 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.
ON or OFF ON will display)
.
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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
Follow the instructions given in the section “To
1.
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
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.
ON or OFF ON.
SLEEP TIMER OPERATION
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 lights and the TIMER Indicator Lamp
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.
About the SLEEP Timer
To prevent excessive warming or cooling during sleep, the SLEEP timer function automatically modifi es the thermostat setting in ac-
cordance with the set time setting. When the set time has elapsed, the air conditioner completely stops.
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
1 °C
2 °C
3 °C
30
minutes
4 °C
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
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.
Set time
1 hour
1 hour
1 hour
30 minutes
Set time
MANUAL AUTO OPERATION
Use the MANUAL AUTO operation in the event the Remote Controller is lost or otherwise unavailable.
When the air conditioner is operated
How To Use the Main Unit Controls
Press the MANUAL AUTO button more than
3 seconds and less than 10 seconds on the
main unit control panel.
To stop operation, press the MANUAL AUTO button once again.
(Controls are located inside the intake grille)
●
with the controls on the MANUAL AUTO
button, it will operate under the same
mode as the AUTO mode selected on
the Remote Controller.
The fan speed selected will be “AUTO”
●
and the thermostat setting will be standard.(24°C)
1 °C
2 °C
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ADJUSTING THE DIRECTION OF AIR CIRCULATION
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
Begin air conditioner operation before performing this procedure.
Vertical Air Direction Adjustment
Press the SET button (Vertical).
Each time the button is pressed, the air direction range will change as follows:
2 3
1
4
The remote controller’s display
does not change.
Air Flow Direction Setting:
1, 2, 3, 4
The vertical airfl ow direction is set automatically as shown, in accordance with the
●
type of operation selected.
During Cooling/Dry mode : Horizontal fl ow
* During Heating mode : Downward fl ow
During AUTO mode operation, for the fi rst minute after beginning operation, airfl ow
●
will be horizontal 1; the air direction cannot be adjusted during this period.
: During Cooling/Heating/Dry mode
1
4
Horizontal Air Direction Adjustment
The function cannot be used.
SWING OPERATION
Begin air conditioner operation before performing this procedure.
To select SWING Operation
Attempting to move up/down air direc-
●
tion flaps manually could result in improper operation; in this case, stop operation and restart. The louvers should
begin to operate properly again.
When used in a room with infants, chil-
●
dren, elderly or sick persons, the air
direction and room temperature should
be considered carefully when making
settings.
Press the SWING button
The SWING Display will light.
In this mode, the Air Flow Direction Louvers will swing automatically to direct the air
fl ow both up and down.
To stop SWING Operation
Press the SWING button once again.
The SWING Display will go out.
Airfl ow direction will return to the setting before swing was begun.
About Swing Operation
The type of operation Range of swing
Cooling/Heating/Dry/Fan
to
1
4
The SWING operation may stop temporarily when the air
●
conditioner’s fan is not operating, or when operating at very
low speeds
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ECONOMY OPERATION
Begin Air Conditioner operation before performing this procedure.
To Use the ECONOMY Operation
Indicator Lamp
Press the ECONOMY button.
The ECONOMY indicator Lamp (green) will light.
ECONOMY operation begins.
To Stop the ECONOMY Operation
:Lighting :OFF
Press the ECONOMY button again.
The ECONOMY Indicator Lamp (green) will go out.
Normal operation begins.
About 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.
In case of single-type air conditioner, at the maximum output, ECONOMY Operation is approximately 70% of normal air condi-
●
tioner operation for cooling and heating.
In case of multi-type air conditioner, the ECONOMY operation mode is only available for the set indoor unit.
●
If the room is not cooled (or heated) well during ECONOMY operation, select normal operation.
●
During the monitor period in the AUTO mode, the air conditioner operation will not change to ECONOMY operation even if ECON-
●
OMY operation is selected by pressing the “ECONOMY” operation button.
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.
While 10°C HEAT OPERATION is in
progress, only the following
operation can be used.
• SET
To stop 10°C HEAT OPERATION
Press the START/STOP button
Then the OPERATION stops and the ECONOMY indicator lamp (green) will go out.
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.
• In case of multi-type air conditioner, if other indoor unit is used for heating, the temperature of the room where the “10°C HEAT” function is applied will rise. When using the
“10°C HEAT” function, we recommend all indoor units should be run under the“10°C
HEAT” mode.
Indicator Lamp
:Lighting :OFF
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CLEANING AND CARE
Before cleaning the unit, be sure to stop the unit and disconnect the power supply.
CAUTION!
To avoid excessive wear of the part and components or malfunctioning of the air conditioning, the user/consumer shall perform
●
preventive maintenance through an accredited technical assistance, periodically. To know the preventive maintenance periodicity, the consumer shall check with the accredited installer or an accredited technical assistance.
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.
When cleaning the unit’s body, do not use water hotter than 40 °C, harsh abrasive cleansers, or volatile agents like benzene or thinner.
●
It is recommended for the user/consumer to demand a copy of the Work Order every time there is a visit of a technical assist-
●
ance for verifi cation, maintenance, test or repair of the product.
Do not expose the unit body to liquid insecticides or hairsprays.
●
If the unit will not be operated for a period of 1 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.
Cleaning the Air Filter
●
Turn off the electrical breaker.
●
A fan operates at high speed inside the unit, and personal injury could result.
●
Be careful not to drop the intake grille.
●
As the filter cleaning involves high-altitude operation, please consult the professional technical
●
service personnel.
1. Push the intake grille’s hooks inward to-
wards the center of the unit to open the
intake grille.
Grille Hook
2. Pull out the fi lter from the intake grille.
4. Re-attach the air filters to the intake
grille.
Replace the air fi lter into its holder.
1
Make sure that the air fi lter makes contact with the fi lter
2
stopper when it is replaced into its holder.
Air Filter
Filter Hook
Intake Grille
5. Close the intake grille and push the intake grille’s hooks outward.
Air Filter
3. Clean the air fi lters.
Remove the dust from the air fi lters by vacuuming or wash-
ing them. After washing, allow the air filters to dry thoroughly in an area protected from sunlight.
En-11
Grille Hook
Dust can be cleaned from the air fi lter either with a vacuum
●
cleaner, or by washing the fi lter in a solution of mild deter-
gent and warm water. If you wash the fi lter, be sure to allow
it to dry thoroughly in a shady place before reinstalling.
If dirt is allowed to accumulate on the air fi lter, air fl ow will
●
be reduced, lowering operating efficiency and increasing
noise.
CLEANING AND CARE
Filter Reset (ECONOMY Indicator Lamp fl ashing/ A special setting)
Can 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 fi lters.
After turning the power on, press the
MANUAL AUTO button for 2 seconds or
less on the indoor unit.
: Flashing
: OFF
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 (four 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
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.)
Press the START/STOP button until only the clock is
1
displayed on the remote controller display.
Press the MODE button for at least five seconds to
2
display the current signal code (initially set to
Press the / buttons to change the signal code
3
between
. Match the code on the display to
the air conditioner signal code.
).
Press the MODE button again to return to the clock
4
display. The signal code will be changed.
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.
The air conditioner signal code is set to A prior to shipment. Contact your retailer to change the signal code.
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 (
the code which operates the air conditioner.
) until you fi nd
En-12
TROUBLESHOOTING
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
WARNING!
Before requesting service, perform the following checks:
Symptom Problem
NORMAL
FUNCTION
Doesn’t operate immediately:
Noise is heard:
Smells:
Mist or steam are
emitted:
Airfl ow is weak or
stops:
Water is produced
from the outdoor unit:
The ECONOMY Indicator Lamp fl ashing.
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.
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.
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.
During operation and immediately after stopping the unit, the sound of water
●
fl owing 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 fl owing).
During operation, a slight squeaking sound may be heard. This is the result
●
of minute expansion and contraction of the front panel due to temperature
changes.
*
During Heating operation, a sizzling sound may be heard occasionally. This
●
sound is produced by the Automatic Defrosting operation.
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 indoor
unit.
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 cool air
emitted from the indoor unit, resulting in condensation and misting.
*
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.
*
When Heating operation is started, fan speed is temporarily very low, to al-
●
low internal parts to warm up.
*
During Heating operation, if the room temperature rises above the thermo-
●
stat 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.
*
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 fl ash.
The fan may operate at very low speed during Dry operation or when the unit
●
is monitoring the room’s temperature.
During SUPER QUIET operation, the fan will operate at very low speed.
●
In the monitor AUTO operation, the fan will operate at very low speed.
●
In case of Multi-type unit, if multiple units are operated in different operation
●
modes as shown below, the units operated afterward will stop and the OPERATION indicator lamp (green) will fl ash.
Heating mode and cooling mode (or dry mode)
Heating mode and fan mode
*
During Heating operation, water may be produced from the outdoor unit due
●
to the Automatic Defrosting operation.
Clean the fi lter. Afterwards, turn the ECONOMY lamp off.
●
See Page
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15
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16
15
12
En-13
TROUBLESHOOTING
Symptom Problem
CHECK
ONCE
MORE
If the problem persists after performing these checks, or if you notice burning smells, or the OPERATION Indicator Lamp and the TIMER
Indicator Lamp fl ashes, and ECONOMY Indicator Lamp fl ashes fast. Immediately stop operation, turn off the electrical breaker and con-
sult authorized service personnel.
Doesn’t operate at all:● Has the circuit breaker been turned off?
Poor Cooling
(or *Heating)
performance:
The unit operates
differently from the
remote controller’s
setting:
Has there been a power failure?
●
Has a fuse blown out, or a circuit breaker been tripped?
●
Is the timer operating? 7 to 8
●
Is the air fi lter dirty?
●
Are the air conditioner’s intake grille or outlet port blocked?
●
Did you adjust the room temperature settings (thermostat) correctly?
●
Is there a window or door open?
●
In the case of Cooling operation, is a window allowing bright sunlight to en-
●
ter? (Close the curtains.)
I
n the case of Cooling operation, are there heating apparatus and computers in-
●
side the room, or are there too many people in the room?
Is the unit set for QUIET operation? —
●
Are the remote controller’s batteries dead?
●
Are the remote controller’s batteries loaded properly?
●
See Page
—
—
4
En-14
OPERATING TIPS
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
*
*Heating Performance
Microcomputer-controlled Automatic Defrosting
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 insuffi cient
heating performance is being produced, we recommend
you use this air conditioner in conjunction with another type
of heating appliance.
Heat-pump air conditioners heat your entire room by recir-
●
culating air throughout the room, with the result that some
time may be required after fi rst starting the air conditioner
until the room is heated.
*
When Indoor and Outdoor Temperature are High
When both indoor and outdoor temperatures are high dur-
●
ing use of the heating mode, the outdoor unit’s fan may stop
at times.
When using the Heating mode under conditions of low out-
●
door 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 (Max. 15 minutes).
During Automatic Defrosting operation, the OPERATION
indicator lamp will fl ash.
After heating operation stops, if frost forms on the outdoor
●
unit, the unit will start Automatic Defrosting operation. At this
time, the outdoor unit will automatically stop after operating
for a few minutes.
Low Ambient Cooling
When the outdoor temperature drops, the outdoor unit’s
●
fans may switch to Low Speed, or one of the fans may stop
intermittently.
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.
Group control cannot be used when using it by the multi type.
AUTO Restart
In Event of Power Interruption
Should the power supply to the air conditioner be inter-
●
rupted by a power failure, the air conditioner will restart automatically in the previously selected mode once the power
is restored.
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 will fl ash.
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.
En-15
OPERATING TIPS
Multi-type Air conditioner
This indoor unit can be connected to a multi-type outdoor unit. The multi-type air conditioner allows multiple indoor units to be operated in multiple locations. The indoor units may be operated simultaneously, in accordance with their respective output.
Simultaneous Use of Multiple Units
Instructions relating to inverter (
When using a multi-type air conditioner, the multiple in-
●
door units can be operated simultaneously, but when 2 or
more indoor units of the same group are operated simultaneously, the heating and cooling effi ciency will be less
than when a single indoor unit is used alone. Accordingly,
when you wish to use more than 1 indoor unit for cooling
at the same time, the use should be concentrated at night
and other times when less output is required. In the same
way, when multiple units are used simultaneously for heating, it is recommended that they be used in conjunction
with other auxiliary space heaters, as required.
Seasonal and outdoor temperature conditions, the struc-
●
ture of the rooms and the number of persons present may
also result in differences of operating effi ciency. We rec-
ommend that you try various operating patterns in order to
confi rm the level of heating and cooling output provided by
your units, and use the units in the way that best matches
your family's lifestyle.
If you discover that 1 or more units delivers a low level
●
of cooling or heating during simultaneous operation, we
recommend that you stop simultaneous operation of the
multiple units.
❖
Operation cannot be done in the following different operat-
●
ing modes.
If the indoor unit is instructed to do an operating mode that
❖
) are applicable only to “INVERTER MODEL”.
it cannot perform, the OPERATION indicator lamp on the
indoor unit will fl ash (1 second on, 1 second off) and the
unit will go into the standby mode.
Heating mode and cooling mode (or dry mode)
Heating mode and fan mode
❖
Operation can be done in the following different operating
●
modes.
Cooling mode and dry mode
Cooling mode and fan mode
Dry mode and fan mode
❖
The operating mode (heating mode or cooling (dry) mode)
●
of the outdoor unit will be determined by the operating
mode of the indoor unit that was operated fi rst. If the in-
door unit was started in fan mode, the operating mode of
the outdoor unit will not be determined.
For example, if indoor unit (A) was started in fan mode and
then indoor unit (B) was then operated in heating mode,
indoor unit (A) would temporarily start operation in fan
mode but when indoor unit (B) started operating in heating mode, the OPERATION indicator lamp for indoor unit
(A) would begin to fl ash (1 second on, 1 second off) and
it would go into standby mode. Indoor unit (B) would continue to operate in heating mode.
Notice
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
*● 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.
*● 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.
En-16
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