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• Install the indoor unit at least 2.5 m above the fl oor level since
otherwise the users may injure themselves or receive electric
shocks if they poke their fi ngers or other objects into the indoor
unit while the air conditioner is running.
• 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.
Installation
• When the indoor unit is to be suspended, the designated
hanging bolts (M10 or W3/8) and nuts (M10 or W3/8) must be
used.
• Install the air conditioner securely in a location where the base
can sustain the weight adequately. If the strength is not enough,
the unit may fall down resulting in injury.
• Follow the instructions in the Installation Manual to install the air
conditioner. Failure to follow these instructions may cause the
product to fall down or topple over or give rise to noise, vibration,
water leakage or other trouble.
• Carry out the specifi ed installation work to guard against the
possibility of high winds and earthquake. If the air conditioner is
not installed appropriately, a unit may topple over or fall down,
causing an accident.
• If refrigerant gas has leaked during the installation work,
ventilate the room immediately. If the leaked refrigerant gas
comes in contact with fi re, noxious gas may generate.
• Use forklift to carry in the air conditioner units and use winch or
hoist at installation of them.
9-EN
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Refrigerant piping
• Install the refrigerant pipe securely during the installation
work before operating the air conditioner. If the compressor
is operated with the valve open and without refrigerant pipe,
the compressor sucks air and the refrigeration cycles is over
pressurized, which may cause a injury.
• Tighten the fl are nut with a torque wrench in the specifi ed
manner. Excessive tighten of the fl are nut may cause a crack in
the fl are nut after a long period, which may result in refrigerant
leakage.
• After the installation work, confi rm that refrigerant gas does
not leak. If refrigerant gas leaks into the room and fl ows near
a fi re source, such as a cooking range, noxious gas may be
generated.
• When the air conditioner has been installed or relocated,
follow the instructions in the Installation Manual and purge
the air completely so that no gases other than the refrigerant
will be mixed in the refrigerating cycle. Failure to purge the air
completely may cause the air conditioner to malfunction.
• Nitrogen gas must be used for the airtight test.
• The charge hose must be connected in such a way that it is not
slack.
Electrical wiring
• Only a qualifi ed installer (*1) or qualifi 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
unqualifi ed individual since failure to carry out the work properly
may result in electric shocks and/or electrical leaks.
10-EN
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