Mitsubishi Electric MSY-GN50VF Installation Manual

INSTALLATION MANUAL

1. BEFORE INSTALLATION

MEANINGS OF SYMBOLS DISPLAYED ON INDOOR UNIT AND/OR OUTDOOR UNIT
WARNING
1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
■ Do not install the unit by yourself (user).
■ Perform the installation securely referring to the
installation manual.
■ When installing the unit, use appropriate protective
equipment and tools for safety.
■ Install the unit securely in a place which can bear the
weight of the unit.
■ Electrical work should be performed by a quali ed,
e perienced electrician, according to the installation
manual. Be sure to use an e clusive circuit. Do not
connect other electrical appliances to the circuit.
■ Earth the unit correctly.
■ Do not damage the wires by applying e cessive pres-
sure with parts or screws.
■ Be sure to cut off the main power in case of setting
up the indoor P.C. board or wiring works.
■ Use the speci ed wires to connect the indoor and
outdoor units securely and attach the wires rmly to
the terminal block connecting sections so the stress
of the wires is not applied to the sections. Do not
e tend the wires, or use intermediate connection.
■ Do not install the unit in a place where in ammable
gas may leak.
■ Do not use intermediate connection of the power
cord or the e tension cord and do not connect many
devices to one AC outlet.
■ Install an earth leakage breaker depending on the
installation place.
■ Perform the drainage/piping work securely according
to the installation manual.
REFRIGERANT
Model names are indicated in 1-3.
WARNING
■ Be sure to use the parts provided or speci ed parts
for the installation work.
■ 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 completely into the
outlet.
■ Attach the electrical cover to the indoor unit and the
service panel to the outdoor unit securely.
■ When installing, relocating, or servicing the unit,
make sure that no substance other than the speci ed
refrigerant (R32) enters the refrigerant circuit.
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■ Do not discharge the refrigerant into the atmosphere.
If refrigerant leaks during installation, ventilate the
room. Check that the refrigerant does not leak after
installation has been completed.
■ Use appropriate tools and piping materials for instal-
lation.
■ When pumping down the refrigerant, stop the com-
pressor before disconnecting the refrigerant pipes.
■ Do not touch the air inlet or the aluminum ns of the
outdoor unit.
■ Do not install the outdoor unit where small animals
may live.
■ When installing the unit, securely connect the refriger-
■ Fasten a are nut with a torque wrench as speci ed
■ The unit shall be installed in accordance with national
■ When using a gas burner or other ame-producing
■ Do not use means to accelerate the defrosting process
■ The appliance shall be stored in a room without
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■ 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 mini-
■ Compliance with national gas regulations shall be
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■ Keep any required ventilation openings clear of ob-
■ In Australia, only technicians that possess the appro-
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CAUTION
■ Do not operate the air conditioner during interior
Required Tools for Installation
ant pipes before starting the compressor.
in this manual.
wiring regulations.
equipment, completely remove all of the refrigerant
from the air conditioner and ensure that the area is
well-ventilated.
or to clean, other than those recommended by the
manufacturer.
continuously operating ignition sources (for e am-
ple: open ames, an operating gas appliance or an
operating electric heater.
mum.
observed.
struction.
priate license issued by the Australian Refrigeration
Council (ARC) should install this product.
construction and nishing work, or while wa ing the
oor.
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