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1. Safety Precautions
Installation Manual 3
To prevent injury to the user or other people and property damage, the following instructions
must be followed.
■ Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness
is classified by the following indications.
1. Electric works should be carried out according to ‘The technology requirement on the
electric installation’, The wiring standard’and this manual by a qualified personnel.
2.
If the installation isn’t complete, electric shock or fire may occur, or death or injury can be caused.
3. If the capacity of the power circuit is insufficient or its installation wasn’t done completely,
this may cause electric shock, fire or etc..
4. If the installation was done by a user, there may be incompleteness, which may cause
electric shock, fire, injury and death.
5. When operating the machine (applying power to the machine), do not carry out any electric
work and do not put hand or finger into it. This may cause electric shock, injury and death.
■ Meanings of symbols used in this manual are as shown below.
WARNING
CAUTION
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
1. Before installation, read this manual and carry out the worksaccording to it.
2. This machine can be installed on the ceiling air conditioner cassette type unit.(However,
please check the applicable models with PDB.)
3. When installing, the diameter of the duct connected to the flange, PTVK-420, is Ø150
4. Before installation, be sure to check all the included items. (However, be sure to use all
kinds of certified products when purchasing the items other than those provided by LG at
your local store.)
5. Be sure to carry out the earth work. (However, do not connect the unit to gas pipe, water
pipe, a lightning rod and a phone earth line. In addition, if the earth wasn’t completely done,
this may cause electric shock and fire.)
Caution
1. Safety Precautions
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