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INSTALLATION
1 OVERVIEW
1.1 Safety Instrutions For Installer
1.1.1 Overview
WARNING
Make sure the installation, testing and
materials used comply with the applicable
law.
Plastic bags should be disposed of properly.
Avoid contact by children. Potential risk:
Asphyxia.
Do not touch the refrigerant piping, water
piping or internal parts during operations, and
when the operation has just been completed.
This is because the temperature may be too
high or too low. Let them recover to the
normal temperature first. Wear protective
gloves if you must come in contact with
these.
Do not touch any refrigerant that has
accidentally leaked.
CAUTION
Please
wear
the
appropriate
protective
tools
maintenance
or
repair
(protective gloves, safety glasses, etc.).
Do not touch the air inlet or aluminum fin of
the unit.
NOTE
Improper
installation
equipment and accessories may cause
electric shocks, short circuits, leaks, fires, or
other damage to the equipment. Use only
accessories, equipment and spare parts
made or approved by manufacturer.
Take appropriate measures to prevent small
animals from entering the unit. Contact
between
small
animals
components may cause system malfunction,
leading to smoke or fire.
Do not place any object or equipment on top
of the unit.
Do not sit, climb, or stand on the unit.
Operation of this equipment in a residential
environment could cause radio interference.
personal
during
installation,
of
the
system
or
connection
of
and
electrical
1.1.2 Refrigerant
During the test, do not exert a force greater
than the maximum allowed pressure on the
product (as shown on the nameplate).
Take appropriate precautions to prevent
refrigerant leakage. If the refrigerant gas
leaks,
ventilate
Possible
risk:
concentration of refrigerant in an enclosed
area can lead to anoxia (oxygen deficiency).
The refrigerant gas may produce a toxic gas
if it comes in contact with fire.
Refrigerant must be recovered. Do not
release it to the environment. Use the
vacuum pump to draw the refrigerant out
from the unit.
Make sure the refrigerant piping is installed in
accordance with the applicable law. In
Europe, EN378 is the applicable standard.
Make sure the piping and connections are
not placed under pressure.
After all the piping connections have been
completed, check to make sure there is no
gas leak. Use nitrogen to conduct the leak
check for gas.
Do not charge refrigerant before the wiring
layout is completed.
Only charge the refrigerant after the leak
tests
and
vacuum
completed.
Do not charge more than the specified
amount of refrigerant. This is to prevent the
compressor from malfunctioning.
The refrigerant type is clearly marked on the
nameplate.
The unit is charged with refrigerant when it is
shipped from the factory. But depending on
the piping dimensions and length, the system
require additional refrigerant.
Only use tools specific to the type of system
refrigerant to make sure the system can
withstand the pressure, and prevent foreign
objects from entering the system.
8
WARNING
WARNING
the
area
immediately.
An
excessively
high
NOTE
drying
have
been
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