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1 Safety Precautions
WARNING!
CAUTION!
For operating the air conditioner pleasantly, install it as outlined in this installation manual.
① .
Connect the indoor unit and outdoor unit with the room air conditioner piping and
② .
cord available from our standard parts. This installation manual describes the correct
connections using the installation set available from our standard parts.
Installation work must be performed in accordance with national wiring standards by
③ .
authorized personnel only.
If refrigerant leaks while work is being carried out, ventilate the area. If the refrigerant
④ .
comes in contact with a flame, it produces toxic gas.
Do not power on until all installation work is complete.
⑤ .
During installation, make sure that the refrigerant pipe is attached firmly before you run the
⑥ .
compressor.
Do not operate the compressor under the condition of refrigerant piping not attached properly with
2-way or 3-way valve open.
This may cause abnormal pressure in the refrigeration cycle that leads to breakage and even
injury.
During the pump-down operation, make sure that the compressor is turned off before you
⑦ .
remove the refrigerant piping.
Do not remove the connection pipe while the compressor is in operation with 2-way or 3-way
valve open.
This may cause abnormal pressure in the refrigerant cycle that leads to breakage and even injury.
When installing and relocating the air conditioner, do not mix gases other than the specified
⑧ .
refrigerant (R410A) to enter the refrigerant cycle.
If air or other gas enters the refrigerant cycle, the pressure inside the cycle will rise to an
abnormally high value and cause breakage, injury, etc.
This mark indicates procedures which, if improperly performed, might lead to
the death or serious injury of the user.
This mark indicates procedures which, if improperly performed, might possibly
result in personal harm to the user, or damage to property.
Floor Ceiling Air-Conditioning Unit
WARNING!
1
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