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Safety Precautions
Be sure the installation area
does not deteriorate with
age.
• If the base collapses, the unit could
fall with it, causing property damage,
unit failure, and personal injury.
n Operation
Take care to ensure that
power cable could not be
pulled out or damaged
during operation.
• There is risk of fire or electric
shock.
Do not touch (operate) the
unit with wet hands.
• There is risk of fire or electric
shock.
Do not store or use
flammable gas or
combustibles near the unit.
• There is risk of fire or failure of
unit.
If strange sounds, or small
or smoke comes from unit,
turn the breaker off or
disconnect the power
supply cable.
• There is risk of electric shock or
fire.
When the unit is soaked
(flooded or submerged),
contact an Authorized
Service Center.
• There is risk of fire or electric
shock.
4 Hydro Kit
Do not install the unit
outdoor.
• It may cause damage to the unit.
Do not place anything on
the power cable.
• There is risk of fire or electric
shock.
Do not place a heater or
other appliances near the
power cable.
• There is risk of fire or electric
shock.
Do not use the unit in a
tightly closed space for a
long time.
• It may cause damage to the unit.
Stop operation and close the
window in storm or hurricane.
If possible, remove the unit
from the window before the
hurricane arrives.
• There is risk of property damage,
failure of unit, or electric shock.
Be cautious that water
could not be poured to the
unit directly.
• There is risk of fire, electric
shock, or unit damage.
Use a vacuum pump or inert
(nitrogen) gas when doing
leakage test or purging air. Do
not compress air or oxygen and
do not use flammable gases.
• There is the risk of death, injury,
fire or explosion.
Do not plug or unplug the
power supply plug during
operation.
• There is risk of fire or electric
shock.
Do not allow water to run
into electric parts.
• There is risk of fire, failure of the
unit, or electric shock.
When flammable gas leaks,
turn off the gas and open a
window for ventilation
before turning the unit on.
• There is risk of explosion or fire.
Do not open the front cover
of the unit while operation.
(Do not touch the
electrostatic filter, if the unit
is so equipped.)
• There is risk of physical injury,
electric shock, or unit failure.
Ventilate the unit from time
to time when operating it
together with a stove, etc.
• There is risk of fire or electric
shock.
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