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Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be followed.
I Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is
classified by the following indications.
WARNING
CAUTION
I Meanings of symbols used in this manual are as shown below.
I Installation
System air conditioner can
only be installed by
specialized service provider
with air condition
installation certifications.
• Inappropriate installation can
cause leakage, fire and
electric shock.
Do not store or use
flammable gas or volatile
substance near the air
conditioner.
• It can cause a fire or problem
to the product.
Do not use the existing manifold gauge for
R22 refrigerant.
• To charge the refrigerant stably, always
use the manifold gauge for high pressure
(R410A).
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage.
Be sure not to do.
Be sure to follow the instruction.
WARNING
When moving or reinstalling
the air conditioner, please
contact the
MULTI
installation service provider.
• Inappropriate installation can
cause leakage, fire and
electric shock.
Do not mix existing R22 pipe
and installation products for
the installation.
• When you mix the mineral oil
of R22 and R410A oil (PVE), it
can decompose with water to
cause problems to the product.
• Heat exchanger inlet/outlet pipe location.
Do not disassemble, repair
or reconfigure the product
V
arbitrarily.
AHU
TM
• It can cause a fire and electric
shock.
Do not mix other refrigerant
with the designated
refrigerant (R410A) during
the installation or moving
the air conditioner.
• When other refrigerant is
mixed with the original
refrigerant, it can cause a
problem in the refrigerant cycle
and damage the product.
Install the air conditioner at a designated
location using the designated material.
Safety Precautions
Installation Manual 3
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