JG79Y335H01
Required Tools for Installation
Phillips screwdriver
Level
Scale
Utility knife or scissors
65 mm hole saw
Torque wrench
Wrench (or spanner)
4 mm hexagonal wrench
Flare tool for R32, R410A
Gauge manifold for R32, R410A
Vacuum pump for R32, R410A
Charge hose for R32, R410A
Pipe cutter with reamer
ENGLISH
REFRIGERANT
SPLIT-TYPE AIR CONDITIONERS
INSTALLATION MANUAL
Model names are indicated in 1-3.
When installing multi units, refer to the
installation manual of the multi unit for
outdoor unit installation.
Appropriate personal protective equipment
The installer should ensure they check the respective Work Health
and Safety (WHS) Act within their jurisdiction as the requirements and
obligations may differ.
1. BEFORE INSTALLATION
MEANINGS OF SYMBOLS DISPLAYED ON INDOOR UNIT AND/OR OUTDOOR UNIT
WARNING
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Read the OPERATING INSTRUCTIONS carefully before operation.
Service personnel are required to carefully read the OPERATING INSTRUCTIONS and INSTALLATION MANUAL before operation.
Further information is available in the OPERATING INSTRUCTIONS, INSTALLATION MANUAL, and the like.
1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
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WARNING
(Could lead to death, serious injury, etc.)
■ Do not install the unit by yourself (user).
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injury due to the unit falling, or leakage of water. Consult
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installer.
■ Perform the installation securely referring to the
installation manual.
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injury due to the unit falling, or leakage of water.
■ When installing the unit, use appropriate protective
equipment and tools for safety.
Failure to do so could cause injury.
■ Install the unit securely in a place which can bear the
weight of the unit.
If the installation location cannot bear the weight of the
unit, the unit could fall causing injury.
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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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electric shock.
■ Earth the unit correctly.
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QLQJ URG RU WHOHSKRQH HDUWK 'HIHFWLYH HDUWKLQJ FRXOG
cause electric shock.
■ Do not damage the wires by applying excessive pres-
sure 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.
Failure to do so could cause electric shock.
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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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■ 'RQRWLQVWDOOWKHXQLWLQDSODFHZKHUHLQÀDPPDEOH
gas may leak.
If gas leaks and accumulates in the area around the unit,
it could cause an explosion.
■ 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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contact, defective insulation, exceeding the permissible
current, etc.
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for the installation work.
The use of defective parts could cause an injury or leakage
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etc.
■ 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.
If there is dust, clogging, or loose parts on the power sup-
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If loose parts are found on the power supply plug, replace
it.
■ Attach the electrical cover to the indoor unit and the
service panel to the outdoor unit securely.
If the electrical cover of the indoor unit and/or the service
panel of the outdoor unit are not attached securely, it could
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■ When installing, relocating, or servicing the unit,
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refrigerant (R32) enters the refrigerant circuit.
Any presence of foreign substance such as air can cause
abnormal pressure rise and may result in explosion or
injury. The use of any refrigerant other than that speci-
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malfunction, or unit breakdown. In the worst case, this
could lead to a serious impediment to securing product
safety.
■ 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.
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ing part of such a fan heater, kerosene heater, or cooking
stove, it will create harmful gas. Provide ventilation in
accordance with EN378-1.
■ Use appropriate tools and piping materials for instal-
lation.
The pressure of R32 is 1.6 times more than R22. Not using
appropriate tools or materials and incomplete installation
could cause the pipes to burst or injury.
■ When pumping down the refrigerant, stop the com-
pressor before disconnecting the refrigerant pipes.
If the refrigerant pipes are disconnected while the com-
pressor is running and the stop valve is open, air could be
drawn in and the pressure in the refrigeration cycle could
become abnormally high. This could cause the pipes to
burst or injury.
■ When installing the unit, securely connect the refriger-
ant pipes before starting the compressor.
If the compressor is started before the refrigerant pipes are
connected and when the stop valve is open, air could be
drawn in and the pressure in the refrigeration cycle could
become abnormally high. This could cause the pipes to
burst or injury.
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in this manual.
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period and cause refrigerant leakage.
■ The unit shall be installed in accordance with national
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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heating part, it will create harmful gas and there is risk of
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■ Do not use means to accelerate the defrosting process
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 mini-
mum.
■ Compliance with national gas regulations shall be
observed.
■ Keep any required ventilation openings clear of ob-
struction.
■ Do not install the indoor unit equipped with the Wi-Fi
interface nearby the automatic control devices such
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It can cause accidents due to malfunctions.
■ 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
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tor.
It can cause an accident due to malfunctions of the medical
equipment or device.
■ 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.
■ In Australia, only technicians that possess the appro-
priate license issued by the Australian Refrigeration
Council (ARC) should install this product.
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