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Installation Procedure
Power supply line, fuse or circuit
breaker
WARNING
• Always make sure that the power supply is compliant
with current safety standards. Always install the air
conditioner in compliance with current local safety
standards.
• Always verify that a suitable earthing connection is
available.
• Verify that the voltage and frequency of the power
supply comply with the specifications and that the
installed power is sufficient to ensure the operation
of any other domestic appliance connected to the
same electric lines.
• Always verify that the cut-off and protection switches
are suitably dimensioned.
• Verify that the air conditioner is connected to the
power supply in accordance with the instructions
provided in the wiring diagram included in the
manual.
• Always verify that electric connections (cable entry,
section of leads, protections...) are compliant with
the electric specifications and with the instructions
provided in the wiring scheme. Always verify that all
connections comply with the standards applicable to
the installation of air conditioners.
• Devices disconnected from the power supply should
be completely disconnected in the condition of
overvoltage category.
• Be sure not to perform power cable modification,
extension wiring, and multiple wire connection.
It may cause electric shock or fire due to poor
connection, poor insulation, or current limit
override.
When extension wiring is required due to power
line damage, refer to "Step 5 Optional: Extending
the power cable" in the installation manual.
Step 1 Choosing the installation
location
Installation location requirements
• The outdoor unit shall be installed in an open space
that is always ventilated.
• The local gas regulations shall be observed.
• For installation inside a building (this applies
either to indoor or outdoor units installed inside) a
minimum room floor area of space conditioned is
mandatory according to IEC 60335-2-40:2018 (see
the reference table into either the indoor or outdoor
unit installation manual).
• To handle, purge, and dispose the refrigerant, or
break into the refrigerant circuit, the worker should
have a certificate from an industry-accredited
authority.
• Do not install the indoor unit in the following areas:
Area filled with minerals, splashed oil, or steam.
It will deteriorate plastic parts, causing failure or
leakage.
Area that is close to heat sources.
Area that produces substances such as sulfuric
gas, chlorine gas, acid, and alkali. It may cause
corrosion of the pipings and brazed joints.
Area that can cause leakage of combustible gas
and suspension of carbon fibers, flammable dust,
or volatile flammables.
Area where refrigerant leaks and settles.
Area where animals may urinate on the product.
Ammonia may be generated.
• Do not use the indoor unit for preservation of food
items, plants, equipment, and art works. This may
cause deterioration of their quality.
• Do not install the indoor unit if it has any drainage
problem.
• Do not place the outdoor unit on its side or upside
down. Failing to do so may cause the compressor
lubrication oil to run into the cooling circuit and lead
to a serious damage to the unit.
• Install the unit in a well-ventilated location away
from direct sunlight or strong winds.
English
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