Hitachi EP-A9000 Instruction Manual page 30

Cleaning
5
CAUTION
When you use the product for a longer period, white or brown water scales may attach to the inner part
(Continued)
of the water tray or on the surface of the humidifying filter.
Water scales are residue minerals from tap-water that have not evaporated. If you continue to use the
filter without cleaning the water scale, it will solidify and become difficult to remove, resulting in lower
humidifying performance. In such a case, replace the filter.
Depending on the quality of tap water used, water scale may attach quickly.
In such a case, clean the filter on a frequent basis.
Rinse the whole case without removing the humidifying filter.
(It might become deformed or damaged if removed. )
Do not deform the humidifying filter by scrubbing it with a brush or using excessive force.
(This will damage it and decrease its performance. )
A new humidifying filter may smell at the beginning. This is normal.
Replace the filter early if it is damaged.
CAUTION
6
Clean the water tray
Wash the water tray to remove dirt.
If the valve is dirty with water scale, use an old, soft toothbrush to clean off the dirt.
If the water tray valve has come off, attach the valve.
Insert the valve tab (short) into the hole (short) of the water tray.
Insert the valve tab (long) into the hole (long) of the water tray.
Check that the spring makes the valve return to its original
position when the valve is pressed.
7
Set the humidifying filter
Insert the humidifying filter in the water tray.
Check that the spring makes the valve return to its
original position when the valve is pressed.
Insert the humidifying filter securely until it clicks.
If it is not securely inserted, it may cause water
leakage during operation.
8
Attach the water tray with the humidifying filter to the unit
If the humidifying filter is not attached, the humidifying filter
cleaning indicator will light up and the unit cannot be operated.
Securely insert the humidifying filter, making sure that
it is pressed until it reaches the back of the unit.
If it is not securely inserted, it may cause water
leakage during operation.
Also, attach the filter while holding down the unit.
E-30
(Continued)
Do not attach the humidifying filter to the unit if it has a lot of water.
This might cause the water to leak.
CAUTION
CAUTION
(P.E-31)
Tab (short)
Hole (Short)
Humidifying filter
Water tray
Insert the filters with caution as they may
get stuck inside the unit.
Water tray
Tab (Long)
Valve
Hole (long)
Water tray
Set by
aligning
the broad
sides
Side cover
Humidifying filter