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AIR CONDITIONER
CASSETTE TYPE
OPERATING MANUAL
BEDIENUNGSANLEITUNG
MODE D’EMPLOI
MANUAL DE FUNCIONAMIENTO
MANUALE DI ISTRUZIONI
ΕΓΧΕΙΡΙ∆ΙΟ ΛΕΙΤΟΥΡΓΙΑΣ
РУКОВОДСТВО ПО ЭКСПЛУАТАЦИИ
MANUAL DE INSTRUÇÕES
English
Deutsch
Français
KEEP THIS MANUAL FOR FUTURE REFERENCE
BEWAHREN SIE DIESES HANDBUCH ZUM SPÄTEREN NACHSCHLAGEN AUF
CONSERVEZ CE MANUEL POUR RÉFÉRENCE ULTÉRIEURE
CONSERVE ESTE MANUAL PARA SU FUTURA CONSULTA
CONSERVARE IL PRESENTE MANUALE PER FUTURE CONSULTAZIONI
ΦΥΛΑΞΤΕ ΤΟ ΕΓΧΕΙΡΙ∆ΙΟ ΓΙΑ ΜΕΛΛΟΝΤΙΚΗ ΑΝΑΦΟΡΑ
СОХРАНИТЕ ДАННОЕ РУКОВОДСТВО ДЛЯ СПРАВОК В БУДУЩЕМ
GUARDE ESTE MANUAL PARA REFERÊNCIA FUTURA
Español
Italiano
EλληvIkά
Русский
Português
P/N9377776013
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CONTENTS
SAFETY PRECAUTIONS ....................................... 1
NAME OF PARTS ...................................................2
OPERATION ........................................................... 2
MANUAL AUTO OPERATION ............................... 2
ADJUSTING THE DIRECTION OF
AIR CIRCULATION ................................................. 3
SWING OPERATION.............................................. 3
CLEANING AND CARE ..........................................4
TROUBLESHOOTING ............................................5
OPERATING TIPS................................................... 6
SAFETY PRECAUTIONS
● Before using the appliance, read these “SAFETY 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 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 over-exposed to cold air by staying in the direct path of the airflow of
the air conditioner for extended periods of time.
● 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 electrical breaker
and so on.
● In the event of a malfunction (burning smell, etc.), immediately stop operation, turn
off the electrical 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.
● Always turn off the electrical breaker whenever cleaning the air conditioner or chang-
ing the air filter.
● 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 flow.
● 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, precision
equipment, or art works.
● Do not apply any heavy pressure to radiator fins.
● Operate only with air filters installed.
● Do not block or cover the intake grille and outlet port.
● Ensure that any electronic equipment is at least one metre away from either the in-
door or outdoor units.
● Avoid installing the air conditioner near a fireplace or other heating apparatus.
● When installing the indoor and outdoor units, take precautions to prevent access by
infants.
● Do not use inflammable gases near the air conditioner.
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NAME OF PARTS
1 Air Filter (In Air Intake Grille)
2 Air Flow Direction Flaps
3 Air Intake Grille
4 Control Panel
5 Remote Control Signal Receiver
6 MANUAL AUTO Button
7 OPERATION Indicator Lamp (Red)
8 TIMER Indicator Lamp (Green)
9 FILTER Lamp (Orange)
0 REMOTE CONTROLLER
0
(OPTION)
WIRELESS
TYPE
Either the wireless or wired remote
controller can be selected.
WIRED TYPE
OPERATION
● Refer to the manual that is supplied with the remote control for details on operation or timer operation. The operating
methods vary by the type of remote control that you have selected.
MANUAL AUTO OPERATION
Use the MANUAL AUTO operation in the event the remote control unit is lost or otherwise unavailable.
How To Use the Main Unit Controls
Press the MANUAL AUTO button on the main unit control
panel.
To stop operation, press the MANUAL AUTO button once again.
● When the air conditioner is operated
with the controls on the Main unit, it
will operate under the same mode as
the AUTO mode selected on the remote control unit.
However, about Multi-type air conditioner the Heat pump model will follow the operating mode of the other
indoor unit.
● The fan speed selected will be “AUTO”
and the thermostat setting will be
24 °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
Each time the button is pressed, the air direction range will change as follows:
1
2 3 4
The remote control unit’s display
does not change.
Recommended Air Flow Direction Setting:
1, 2, 3, 4: During Cooling/Dry mode
2, 3, 4: During Heating mode
● The vertical airflow direction is set automatically as shown, in accordance with
the type of operation selected.
During Cooling/Dry mode : Horizontal flow 1
* During Heating mode : Downward flow 4
● 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.
● Attempting to move up/down air direction 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, children, elderly or sick persons, the air
direction and room temperature
should be considered carefully when
making settings.
SWING OPERATION
Begin air conditioner operation before performing this procedure.
To Select SWING Operation
In this mode, the UP/DOWN air direction flaps will swing automatically to direct the
air flow both up and down.
To Stop SWING Operation
Airflow direction will return to the setting before swing was begun.
About Swing Operation
The type of operation
Cooling/Dry/Fan
Heating
Range of swing
1 to 4
2 to 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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CLEANING AND CARE
● Before cleaning the unit, be sure to stop the unit and disconnect the power supply.
CAUTION!
● 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.
● Do not expose the unit body to liquid insecticides or hairsprays.
● 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.
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.
When the filter lamp flashes, remove and
clean the filter.
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 filter from the intake grille.
4. Re-attach the air filters to the intake grille.
1 Replace the air filter into its holder.
2 Make sure that the air filter makes contact with the
filter 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 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.
Grille Hook
● 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.
● If dirt is allowed to accumulate on the air filter, air flow
will be reduced, lowering operating efficiency and increasing noise.
● After turning the power on, press the filter button on the
remote control to turn off the filter lamp. (Refer to the
operation manual packed with remote control unit for
details.)
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TROUBLESHOOTING
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
WARNING!
Before requesting service, perform the following checks:
In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off the electrical 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 turn off the electrical breaker to ensure that power is completely off.
Symptom
Problem
See Page
NORMAL
FUNCTION
Doesn’t operate immediately:
Noise is heard:
Smells:
Mist or steam are
emitted:
● 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 electrical breaker is turned off then on again, 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 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).
● 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.
*● During Heating operation, a sizzling sound may be heard occa-
sionally. 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 air conditioner.
● 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.
*● 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.
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Airflow is weak or stops:
Water is produced from
the outdoor unit:
The FILTER lamp blinks:
*● When Heating operation is started, fan speed is temporarily very
low, to allow internal parts to warm up.
*● 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.
*● During Heating operation, the unit will temporarily stop opera-
tion (between 7 and 15 minutes) as the Automatic Defrosting mode
operates. During the Automatic Defrosting operation, the OPERATION indicator lamp will flash.
● The fan may operate at very low speed during Dry operation or
when the unit is monitoring the room’s temperature.
● During QUIET operation, the fan will operate at very low speed.
● In the monitor AUTO operation, the fan will operate at very low
speed.
*● During Heating operation, water may be produced from the out-
door unit due to the Automatic Defrosting operation.
● Clean the filter. Afterwards, turn the FILTER lamp off. See the
operating manual that came with your remote control unit for the
method for turning off the FILTER lamp.
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TROUBLESHOOTING
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
Symptom
CHECK ONCE
MORE
If the problem persists after performing these checks, or if you notice burning smells, or the TIMER indicator lamp and operation indicator lamp flashes, stop operation immediately, disconnect the power supply, and consult with authorized service
personnel.
Doesn’t operate at all:
Poor Cooling (or *Heating)
performance:
● Has the circuit breaker been turned off?
● Has there been a power failure?
● Has a fuse blown out, or a circuit breaker been tripped?
● Is the timer operating?
● Is the air filter dirty?
● Are the air conditioner’s intake grille or outlet port blocked?
● Did you adjust the room temperature settings (thermostat) cor-
rectly?
● Is there a window or door open?
● In the case of Cooling operation, is a window allowing bright sun-
light to enter? (Close the curtains.)
● In the case of Cooling operation, are there heating apparatus and
computers inside the room, or are there too many people in the
room?
● Is the unit set for QUIET operation?
Items to check
See Page
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OPERATING TIPS
Instructions relating to heating (*) are applicable only to “HEAT & COOL MODEL” (Reverse Cycle).
*Heating Performance
● 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.
● Heat-pump air conditioners heat your entire room by
recirculating 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
● When both indoor and outdoor temperatures are high
during use of the heating mode, the outdoor unit’s fan
may stop at times.
Fan speed: AUTO
Heating: 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
set temperature, the fan speed becomes slower.
Fan: The fan runs at the low fan speed.
*Microcomputer-controlled Automatic
Defrosting
● 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 (red) will flash.
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.
* Hot start
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.
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OPERATING TIPS
Mode operation: AUTO
COOLING MODEL
● When the room temperature is 2 °C higher than the set
temperature, the mode will switch between Cooling and
Drying.
HEAT & COOL MODEL (Reverse Cycle)
Auto changeover function
● 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 is first selected, the fan will
operate at a very low speed for about 1 minute while the
unit determines the current conditions of the room and
selects the proper operation mode.
If the difference between thermostat setting and actual
room temperature is more than +2 °C
→ Cooling or dry operation
(Monitor operation may be selected if the outdoor tem-
perature is low.)
If the difference between thermostat setting and actual
room temperature is within ±2 °C
→ Monitor operation
If the difference between thermostat setting and actual
room temperature is more than –2 °C
→ Heating operation
(Monitor operation may be selected if the outdoor tem-
perature is high.)
● During the Drying mode operation, the FAN setting should
be switched to LOW for a gently cooling effect during
which the fan may temporarily stop rotating.
● When the room temperature is near the thermostat setting, the air conditioner will begin monitor operation. In
the monitor operation mode, the fan will operate at a very
low speed. If the room temperature subsequently
changes, the air conditioner will once again select the
appropriate operation (Heating or Cooling) to adjust the
temperature to the value set in the thermostat. (The monitor operation range is ±2 °C relative to the thermostat
setting.)
About Mode Operation
Heating: ● 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 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.
● After the start of heating operation, it takes sometime before the room
gets warmer.
Cooling: ● Use to cool your room.
Dry: ● Use for gently cooling while dehumidifying your room.
● You cannot heat the room during Dry mode.
● During Dry mode, the unit will operate at low speed; in order to adjust
room humidity, the indoor unit’s fan may stop from time to time. Also,
the fan may operate at very low speed when adjusting room humidity.
● The fan speed cannot be changed manually when Dry mode has been
selected.
Fan: ● 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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OPERATING TIPS
AUTO Restart
In Event of Power Interruption
● 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.
● 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 (green) will flash (see page 3).
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
indoor units can be operated simultaneously, but when
two or more indoor units of the same group are operated simultaneously, the heating and cooling efficiency
will be less than when a single indoor unit is used alone.
Accordingly, when you wish to use more than one 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 structure of the rooms and the number of persons present
may also result in differences of operating efficiency.
We recommend that you try various operating patterns
in order to confirm 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 one 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 op-
erating modes.
If the indoor unit is instructed to do an operating mode
that it cannot perform, the OPERATION indicator lamp
(red) on the indoor unit will flash (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
❖
) are applicable only to “INVERTER MODEL”.
● 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, reconnect it, and then use
the remote control unit to resume operation.
❖
● Operation can be done in the following different operat-
ing 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 first.
If the indoor 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
(red) for indoor unit (A) would begin to flash (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
occasionally 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.
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