1
Precautions for safety
The manufacturer shall not assume any liability for the damage caused by not observing the description of this
manual.
WARNING
General
• Carefully read Owner’s Manual before starting the air conditioner. There are many important things to keep in
mind for daily operation.
• Ask for installation to be performed by the dealer or a professional. Only a quali
fi
ed installer (*1) is able to install
an air conditioner. If a non-quali
fi
ed person installs an air conditioner, it may result in problems such as
fi
re,
electric shock, injury, water leakage, noise and vibration.
• Do not use any refrigerant different from the one speci
fi
ed for complement or replacement. Otherwise, abnormally
high pressure may be generated in the refrigeration cycle, which may result in a failure or explosion of the product
or an injury to your body.
• Places where the operation sound of the outdoor unit may cause a disturbance. (Especially at the boundary line
with a neighbour, install the air conditioner while considering the noise.)
Transportation and storage
• To transport the air conditioner, wear shoes with protective toe caps, protective gloves, and other protective
clothing.
• To transport the air conditioner, do not take hold of the bands around the packing carton. You may injure yourself
if the bands should break.
• Before stacking the packing cartons for storage or transportation, heed the precautions written on the packing
cartons. Failure to heed the precautions may cause the stack to collapse.
• The air conditioner must be transported in stable condition. If any part of the product broken, contact your dealer.
• When the air conditioner must be transported by hand, carry it by two or more people.
Installation
• Only a quali
fi
ed installer (*1) or quali
fi
ed service person (*1) is allowed to carry out the electrical work of the air
conditioner. Under no circumstances must this work be done by an unquali
fi
ed individual since failure to carry out
the work properly may result in electric shocks and/or electrical leaks.
• After the installation work has been completed, have the installer explain about the circuit breaker positions. In
the event that trouble has occurred in the air conditioner, set the circuit breaker to the OFF position, and contact a
quali
fi
ed service person (*1).
• If the unit is installed in a small room, take appropriate measures to prevent the refrigerant from exceeding the
limit concentration even if it leaks. Consult the dealer from whom you purchased the air conditioner when you
implement the measures. Accumulation of highly concentrated refrigerant may cause an oxygen de
fi
ciency
accident.
• Do not install the air conditioner in a location that may be subject to a risk of expose to a combustible gas. If a
combustible gas leaks and becomes concentrated around the unit, a
fi
re may occur.
• Use the company-speci
fi
ed products for the separately purchased parts. Use of non-speci
fi
ed products may result
in
fi
re, electric shock, water leakage or other trouble. Have the installation performed by a professional.
• Con
fi
rm that earthing is performed correctly.
Operation
• Before opening the intake grille of the indoor unit or service panel of the outdoor unit, set the circuit breaker to the
OFF position. Failure to set the circuit breaker to the OFF position may result in electric shocks through contact
with the interior parts. Only a quali
fi
ed installer (*1) or quali
fi
ed service person (*1) is allowed to remove the intake
grille of the indoor unit or service panel of the outdoor unit and do the work required.
• Inside the air conditioner are high-voltage areas and rotating parts. Due to the danger of electric shocks or of your
fi
ngers or physical objects becoming trapped in the rotating parts, do not remove service panel of the outdoor unit.
When work involving the removal of these parts is required, contact a quali
fi
ed installer (*1) or a quali
fi
ed service
person (*1).
• Do not move or repair any unit by yourself. Since there is high voltage inside the unit, you may get electric shock
when removing the cover and main unit.
• Use of a stand more than 50 cm high to clean the
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lter of the indoor unit or to carry out other such jobs constitutes
working at heights. Due to the danger of falling off the stand and injuring yourself while working at heights, this
kind of work should not be done by unquali
fi
ed individuals. When this kind of work must be carried out, do not do
it yourself but ask a quali
fi
ed installer (*1) or a quali
fi
ed service person (*1) to do it for you.
• Do not touch the aluminum
fi
n of the outdoor unit. You may injure yourself if you do so. If the
fi
n must be touched,
do not touch it yourself but contact a quali
fi
ed installer or a quali
fi
ed service person.
• Do not climb onto or place objects on top of the outdoor unit. You may fall or the objects may fall off of the outdoor
unit and result in injury.
• Do not place any combustion appliance in a place where it is directly exposed to the wind of air conditioner,
otherwise it may cause imperfect combustion.
• When the air conditioner is operated with a combustion appliance in the same place, ventilate the room
suf
fi
ciently. Poor ventilation causes oxygen shortage.
• When the air conditioner is used in a closed room, suf
fi
ciently ventilate the room. Poor ventilation causes oxygen
shortage.
• Do not expose your body to cool air directly for a long time and do not cool yourself excessively. Doing so may
result in deteriorated physical condition and ill health.
• Do not insert your
fi
nger or a stick into the air intake or discharge. Doing so may result injury as the fan is rotating
at high speed inside the unit.
• Consult the shop where you purchased the air conditioner if air conditioning (cooling and heating) is not
performed properly as a refrigerant leakage may be the cause. Con
fi
rm the repair details with a quali
fi
ed service
person (*1) when the repair includes additional charging of the refrigerant.
• Stop running the air conditioner and turn off the breaker before cleaning. Otherwise, injury may result as the fan is
rotating at high speed inside the unit.
Repairs
• If there is any kind of trouble (such as when an error display has appeared, there is a smell of burning, abnormal
sounds are heard, the air conditioner fails to cool or heat or water is leaking) has occurred in the air conditioner,
do not touch the air conditioner yourself but set the circuit breaker to the OFF position, and contact a quali
fi
ed
service person (*1). Take steps to ensure that the power will not be turned on (by marking “out of service” near the
circuit breaker, for instance) until quali
fi
ed service person (*1) arrives. Continuing to use the air conditioner in the
trouble status may cause mechanical problems to escalate or result in electric shocks or other trouble.
• If the fan grille is damaged, do not approach the outdoor unit but set the circuit breaker to the OFF position, and
contact a quali
fi
ed service person to have the repairs done. Do not set the circuit breaker to the ON position until
the repairs are completed.
• If there is a danger of the indoor unit’s falling, do not approach the indoor unit but set the circuit breaker to the
OFF position, and contact a quali
fi
ed installer (*1) or a quali
fi
ed service person (*1) to re
fi
t the unit. Do not set the
circuit breaker to the ON position until the unit has been re
fi
tted.
• If there is a danger of the outdoor unit’s toppling over, do not approach the outdoor unit but set the circuit
breaker to the OFF position, and contact a quali
fi
ed installer (*1) or a quali
fi
ed service person (*1) to have the
improvements or re
fi
tting done. Do not set the circuit breaker to the ON position until the improvements or re
fi
tting
is completed.
• Do not customize the unit. Doing so may result in
fi
re, electric shock or other trouble.
Relocation
• When the air conditioner is to be relocated, do not relocate it yourself but contact a quali
fi
ed installer (*1) or a
quali
fi
ed service person (*1). Failure to relocate the air conditioner properly may result in electric shocks and/or a
fi
re.
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