11-EN 12-EN
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EN
• After the work has nished, use an insulation tester set
(500V Megger) to check the resistance is 1MΩ or more between
the charge section and the non-charge metal section
(Earth section). If the resistance value is low, a disaster such as a
leak or electric shock is caused at user’s side.
• Upon completion of the installation work, check for refrigerant
leaks and check the insulation resistance and water drainage.
Then conduct a test run to check that the air conditioner is
operating properly.
Explanations given to user
• Upon completion of the installation work, tell the user where the
circuit breaker is located. If the user does not know where the
circuit breaker is, he or she will not be able to turn it off in the
event that trouble has occurred in the air conditioner.
• If the fan grille is damaged, do not approach the outdoor unit
but set the circuit breaker to the OFF position, and contact a
qualied service person(*1) to have the repairs done. Do not
set the circuit breaker to the ON position until the repairs are
completed.
• After the installation work, follow the Owner’s Manual to explain
to the customer how to use and maintain the unit.
Relocation
• Only a qualied installer(*1) or qualied service person(*1) is
allowed to relocate the air conditioner. It is dangerous for the air
conditioner to be relocated by an unqualied individual since a
re, electric shocks, injury, water leakage, noise and/or vibration
may result.
• When carrying out the pump-down work shut down the
compressor before disconnecting the refrigerant pipe.
Disconnecting the refrigerant pipe with the service valve left
open and the compressor still operating will cause air or other
gas to be sucked in, raising the pressure inside the refrigeration
cycle to an abnormally high level, and possibly resulting in
rupture, injury or other trouble.
CAUTION
New refrigerant air conditioner installation
• This air conditioner adopts the new HFC refrigerant
(R410A) which does not destroy ozone layer.
• The characteristics of R410A refrigerant are; easy to absorb
water, oxidizing membrane or oil, and its pressure is approx.
1.6 times higher than that of refrigerant R22. Accompanied with
the new refrigerant, refrigerating oil has also been changed.
Therefore, do not let water, dust, former refrigerant, or
refrigerating oil enter the refrigerating cycle during installation
work.
• To prevent charging an incorrect refrigerant and refrigerating
oil, the sizes of connecting sections of charging port of the
main unit and installation tools are changed from those for the
conventional refrigerant.
• Accordingly the exclusive tools are required for the new
refrigerant (R410A).
• For connecting pipes, use new and clean piping designed for
R410A, and please care so that water or dust does not enter.
To disconnect the appliance from main power supply.
• This appliance must be connected to the main power supply by
means of a switch with a contact separation of at least 3 mm.
The installation fuse (all types can be used) must be used for
the power supply line of this conditioner.
(*1) Refer to the “Denition of Qualied Installer or Qualied
Service Person.”
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