Perform panel and water tank removal and installation carefully.
It may cause water leakage and may cause injuries such as pinching your fingers.
Hold the unit in place when pulling out the water tank and humidifying ﬁ lter so that
it will not move.
Otherwise, the unit may suddenly move and cause water leakage and accidents.
When cleaning, lay a soft cloth on the ﬂ oor and place the unit and detached parts
(panel, water tray, water tank, etc.) on it
Otherwise, it may scratch the floor.
Attach the parts securely after cleaning
Do not use with the rear panel, pre-filter, dust filter, deodorizing filter, humidifying filter and any
other parts detached. Otherwise, it may cause unit failure.
Reﬁ ll the water tank with fresh water daily, and clean on a regular basis as instruct-
ed on "Cleaning".
Continued use without regular cleaning may cause propagation of molds and bacteria due to
dirt and water scale, which can result in unpleasant odors. In rare cases, it may cause health
risk to users who have hypersensitive immune system. In this case, please seek medical advice.
Only use fresh tap water (drinking water) for the water tank
Otherwise, it may cause deformation and deterioration of parts, unit failure or unpleasant odors
due to propagation of molds and bacteria. Do not use hot water (over 40°C), purified water, al-
kali ion water, mineral water, well water or other similar types of water. Also, refrain from putting
organic solvents, chemicals, perfumes, air fresheners or other similar items in the water tank
When ﬁ lling the tank with water, do not drop or subject the tank to impact
Otherwise, it may cause the water from the tank to leak and wet the floor. It may damage the
float switch in the tank, which results in the water supply indicator not lighting up.
Do not remove or subject the water tank's ﬂ oat switch to excessive force.
The indicator will not light up even if the water tank is empty.
Do not put water directly in the water tray
Doing so may cause water to overflow.
Do not use the unit in case of water leakage
In case of water leakage, unplug the power plug from the outlet and request repairs.
Do not allow the water to freeze
Otherwise, it may cause damage to the water tank and cause unit failure or electric shock.
Whenever there is risk the water may freeze, drain the water tank.
Do not move or stop the ﬂ ap by hand or by any object
Otherwise, it may cause unit failure.
If using the purifier around pets, do not subject any parts to urine and keep pets
away from the power cord
Otherwise it can cause electric shock and fire. If there are damages, unplug and request repairs.
Do not subject the glass panel (made of tempered glass) to impact
Although tempered glass is stronger and safer than normal glass, it can break when subjected
to strong impact or force.
In case of scratches or breakage, stop using and immediately request repairs.
Refrain from directly touching the broken glass.
Use only a genuine ﬁ lter for the Hitachi Air Puriﬁ er
Other filters may cause unit failure.
This appliance is not intended for use by persons (including children) with reduced
physical, sensory or mental capabilities, or lack of experience and knowledge, un-
less they have been given supervision or instruction concerning use of appliance
by a person responsible for their safety.