Mitsubishi Electric MSZ-AP50VGK Installation Manual

SPLIT-TYPE AIR CONDITIONERS
INSTALLATION MANUAL
1. BEFORE INSTALLATION
MEANINGS OF SYMBOLS DISPLAYED ON INDOOR UNIT AND/OR OUTDOOR UNIT
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1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
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■ Do not install the unit by yourself (user).
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■ Perform the installation securely referring to the
installation manual.
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■ When installing the unit, use appropriate protective
equipment and tools for safety.
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■ Install the unit securely in a place which can bear
the weight of the unit.
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experienced electrician, according to the installation
manual. Be sure to use an exclusive circuit. Do not
connect other electrical appliances to the circuit.
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■ Earth the unit correctly.
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■ Do not damage the wires by applying excessive
pressure with parts or screws.
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■ Be sure to cut off the main power in case of setting
up the indoor P.C. board or wiring works.
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the terminal block connecting sections so the stress
of the wires is not applied to the sections. Do not
extend the wires, or use intermediate connection.
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gas may leak.
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■ Do not use intermediate connection of the power
cord or the extension cord and do not connect many
devices to one AC outlet.
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for the installation work.
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REFRIGERANT
Model names are indicated in 1-3.
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WARNING
■ When plugging the power supply plug into the
outlet, make sure that there is no dust, clogging,
or loose parts in both the outlet and the plug. Make
sure that the power supply plug is pushed com-
pletely into the outlet.
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■ Attach the electrical cover to the indoor unit and the
service panel to the outdoor unit securely.
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■ When installing, relocating, or servicing the unit,
make sure that no substance other than the speci-
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■ Do not discharge the refrigerant into the atmos-
phere. If refrigerant leaks during installation, ven-
tilate the room. Check that the refrigerant does not
leak after installation has been completed.
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■ Use appropriate tools and piping materials for instal-
lation.
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■ When pumping down the refrigerant, stop the com-
pressor before disconnecting the refrigerant pipes.
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■ When installing the unit, securely connect the re-
frigerant pipes before starting the compressor.
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Required Tools for Installation
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in this manual.
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■ The unit shall be installed in accordance with na-
tional wiring regulations.
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equipment, completely remove all of the refrigerant
from the air conditioner and ensure that the area is
well-ventilated.
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■ Do not use means to accelerate the defrosting pro-
cess or to clean, other than those recommended by
the manufacturer.
■ The appliance shall be stored in a room without
continuously operating ignition sources (for exam-
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operating electric heater).
■ Do not pierce or burn.
■ Be aware that refrigerants may not contain an odour.
■ Pipe-work shall be protected from physical damage.
■ The installation of pipe-work shall be kept to a
minimum.
■ Compliance with national gas regulations shall be
observed.
■ Keep any required ventilation openings clear of
obstruction.
■ Do not install the indoor unit equipped with the Wi-Fi
interface nearby the automatic control devices such
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■ Do not use the indoor unit equipped with the Wi-Fi
interface nearby the medical electrical equipment
or people who have a medical device such as a
cardiac pacemaker or an implantable cardioverter-
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■ This indoor unit equipped with the Wi-Fi interface
should be installed and operated with a minimum
distance of 20 cm between the device and the user
or bystanders.
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